fix(debug): wait for Windows debuggee trees to exit

2026-11-11 10:41:28 -10:00 · 2026-11-09 18:21:39 +08:00
1823 changed files with 15339 additions and 142066 deletions
@@ -1,2 +0,0 @@
-custom:
-  - https://github.com/l0ng-ai/openidea#sponsor
@@ -3,6 +3,3 @@ contact_links:
  - name: Download the latest release
    url: https://github.com/l0ng-ai/openidea/releases/latest
    about: Many problems are already fixed. Please check the latest version before reporting.
-  - name: Report a security vulnerability
-    url: https://github.com/l0ng-ai/openidea/security/advisories/new
-    about: Please report security problems privately, not in a public issue.
@@ -103,7 +103,7 @@ jobs:
        if: runner.os == 'Linux'
        run: git diff --exit-code src/bindings.ts

-  # The remote development server ships as a static Linux binary (release-build.yml):
+  # The remote development server ships as a static Linux binary (release.yml):
  # keep that build working.
  server:
    name: Remote server (linux musl)
@@ -47,7 +47,6 @@ env:
  JDTLS: 1.63.0-202610191322
  KOTLIN_LSP: 263.7084.0
  GRADLE: 8.14.3
-  INTELEPHENSE: 1.18.5

 jobs:
  smoke:
@@ -55,9 +54,8 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        language: [typescript, python, rust, go, java, kotlin, php, c, cpp]
-    # C/C++ debug with GDB, whose DAP interpreter needs 14+: 22.04 ships 12.1, 24.04 ships 15.
-    runs-on: ${{ (matrix.language == 'c' || matrix.language == 'cpp') && 'ubuntu-24.04' || 'ubuntu-22.04' }}
+        language: [typescript, python, rust, go, java, kotlin]
+    runs-on: ubuntu-22.04
    timeout-minutes: 40
    steps:
      - uses: actions/checkout@v4
@@ -76,12 +74,6 @@ jobs:
      - if: matrix.language == 'typescript'
        run: npm install --global "@vtsls/language-server@$VTSLS" "typescript@$TYPESCRIPT"

-      # The smoke builds the c-app fixture and debugs it with GDB's own DAP interpreter.
-      - if: matrix.language == 'c' || matrix.language == 'cpp'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y gdb
-
      - if: matrix.language == 'python'
        uses: actions/setup-python@v5
        with: { python-version: "3.12" }
@@ -116,13 +108,6 @@ jobs:
          ln -s "$RUNNER_TEMP/kotlin-lsp/kotlin-lsp.sh" "$RUNNER_TEMP/bin/kotlin-lsp"
          echo "$RUNNER_TEMP/bin" >> "$GITHUB_PATH"

-      # Xdebug for the debug smoke; Composer installs the fixture's Pest for the run smoke.
-      - if: matrix.language == 'php'
-        uses: shivammathur/setup-php@v2
-        with: { php-version: "8.5", coverage: xdebug, tools: composer }
-      - if: matrix.language == 'php'
-        run: npm install --global "intelephense@$INTELEPHENSE"
-
      - run: cargo test --locked -p ide-host --test language_smoke --no-run
      - run: cargo test --locked -p ide-host --test language_smoke -- --ignored --exact ${{ matrix.language }}
      - if: matrix.language == 'java'
@@ -1,119 +0,0 @@
-name: Nightly
-
-# Twice a day, builds the newest main commit that passed CI as a prerelease tagged with its own
-# version, so remote development finds the server of that version. The `nightly` release holds
-# the manifest the nightly app updates from; its tag marks the commit last built, and a run with
-# nothing newer stops there. Only the latest builds are kept.
-on:
-  schedule:
-    - cron: "17 2,14 * * *"
-  workflow_dispatch:
-    inputs:
-      force:
-        description: "Build even if nothing is newer than the last nightly"
-        type: boolean
-        default: false
-
-permissions:
-  contents: read
-
-concurrency:
-  group: nightly
-
-env:
-  GH_TOKEN: ${{ github.token }}
-  GH_REPO: ${{ github.repository }}
-
-jobs:
-  prepare:
-    permissions:
-      actions: read
-      contents: write
-    if: github.repository == 'l0ng-ai/openidea'
-    runs-on: ubuntu-latest
-    outputs:
-      sha: ${{ steps.commit.outputs.sha }}
-      tag: ${{ steps.release.outputs.tag }}
-      release_id: ${{ steps.release.outputs.id }}
-    steps:
-      - id: commit
-        env:
-          FORCE: ${{ inputs.force }}
-        run: |
-          sha="$(gh run list --workflow ci.yml --branch main --event push --status success --limit 1 \
-            --json headSha --jq '.[0].headSha // ""')"
-          if [ -z "$sha" ]; then
-            echo "::notice::no main commit has passed CI"
-            exit 0
-          fi
-          # No `nightly` tag yet (the first run): compare fails and the build goes on.
-          status="$(gh api "repos/$GH_REPO/compare/nightly...$sha" --jq .status 2>/dev/null || echo ahead)"
-          if [ "$status" != ahead ] && [ "$FORCE" != true ]; then
-            echo "::notice::$sha is not newer than the last nightly"
-            exit 0
-          fi
-          echo "sha=$sha" >> "$GITHUB_OUTPUT"
-      - uses: actions/checkout@v5
-        if: steps.commit.outputs.sha != ''
-        with: { ref: "${{ steps.commit.outputs.sha }}" }
-      - uses: actions/setup-node@v5
-        if: steps.commit.outputs.sha != ''
-        with: { node-version: 22 }
-      - uses: dtolnay/rust-toolchain@stable
-        if: steps.commit.outputs.sha != ''
-      - id: release
-        if: steps.commit.outputs.sha != ''
-        env:
-          SHA: ${{ steps.commit.outputs.sha }}
-        run: |
-          version="$(node scripts/nightly-prepare.ts "$(date -u +%Y%m%d%H%M)")"
-          tag="v$version"
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git commit -am "chore: $tag"
-          git tag "$tag"
-          git push origin "$tag"
-          id="$(gh api -X POST "repos/$GH_REPO/releases" -f tag_name="$tag" -f name="OpenIDEA Nightly $version" \
-            -F draft=true -F prerelease=true -f body="Built from $SHA." --jq .id)"
-          echo "tag=$tag" >> "$GITHUB_OUTPUT"
-          echo "id=$id" >> "$GITHUB_OUTPUT"
-
-  binaries:
-    permissions:
-      contents: write
-    needs: prepare
-    if: needs.prepare.outputs.tag != ''
-    uses: ./.github/workflows/release-build.yml
-    with:
-      tag: ${{ needs.prepare.outputs.tag }}
-      release_id: ${{ needs.prepare.outputs.release_id }}
-    secrets: inherit
-
-  publish:
-    permissions:
-      contents: write
-    needs: [prepare, binaries]
-    runs-on: ubuntu-latest
-    env:
-      TAG: ${{ needs.prepare.outputs.tag }}
-      SHA: ${{ needs.prepare.outputs.sha }}
-      KEEP: 14
-    steps:
-      - name: Publish the build
-        run: gh release edit "$TAG" --tag "$TAG" --draft=false
-      - name: Point the updater at it
-        run: |
-          gh release download "$TAG" -p latest.json -D "$RUNNER_TEMP"
-          gh release view nightly >/dev/null 2>&1 ||
-            gh release create nightly --prerelease --latest=false --target "$SHA" --title "OpenIDEA Nightly" \
-              --notes "The update manifest of the nightly builds, and the commit last built."
-          gh release upload nightly "$RUNNER_TEMP/latest.json" --clobber
-          gh api -X PATCH "repos/$GH_REPO/git/refs/tags/nightly" -f sha="$SHA" -F force=true --silent
-      # Failed builds' drafts go too, once they are this old.
-      - name: Delete old builds
-        run: |
-          gh release list --limit 200 --json tagName,createdAt --jq \
-            '[.[] | select(.tagName | contains("-nightly."))] | sort_by(.createdAt) | reverse | .[env.KEEP | tonumber:][].tagName' |
-            while read -r tag; do
-              gh release delete "$tag" --cleanup-tag --yes
-            done
@@ -1,283 +0,0 @@
-name: Release build
-
-# Builds a tag's desktop apps, remote servers and updater manifest into its draft release.
-# Stable releases (release.yml) and nightly builds (nightly.yml) both run it.
-on:
-  workflow_call:
-    inputs:
-      tag: { type: string, required: true }
-      release_id: { type: string, required: true }
-
-permissions:
-  contents: read
-
-env:
-  CARGO_TERM_COLOR: always
-  CARGO_INCREMENTAL: 0
-  TAG: ${{ inputs.tag }}
-
-jobs:
-  plugin-keys:
-    permissions: {}
-    runs-on: ubuntu-latest
-    outputs:
-      keys: ${{ steps.keys.outputs.keys }}
-    steps:
-      # The official plugins' public key (from PLUGIN_SIGNING_KEY, the seed
-      # `openidea-plugin keygen` writes), built into the app: their packages
-      # must carry its signature whatever the marketplace index lists. Without
-      # the secret the app takes the index's word, as development builds do.
-      - id: keys
-        env:
-          SIGNING_KEY: ${{ secrets.PLUGIN_SIGNING_KEY }}
-        run: |
-          if [ -n "$SIGNING_KEY" ]; then
-            seed="$(printf %s "$SIGNING_KEY" | base64 -d | od -An -tx1 | tr -d ' \n')"
-            key="$(printf '302e020100300506032b657004220420%s' "$seed" | xxd -r -p |
-              openssl pkey -inform DER -pubout -outform DER | tail -c 32 | base64)"
-            echo "keys=$key" >> "$GITHUB_OUTPUT"
-          fi
-
-  build:
-    permissions:
-      contents: write
-    needs: plugin-keys
-    name: Build (${{ matrix.name }})
-    env:
-      OPENIDEA_OFFICIAL_PLUGIN_KEYS: ${{ needs.plugin-keys.outputs.keys }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - name: macOS arm64
-            os: macos-latest
-            target: aarch64-apple-darwin
-          - name: macOS x64
-            os: macos-latest
-            target: x86_64-apple-darwin
-          - name: Linux x64
-            os: ubuntu-22.04
-            target: x86_64-unknown-linux-gnu
-          - name: Linux arm64
-            os: ubuntu-22.04-arm
-            target: aarch64-unknown-linux-gnu
-          - name: Windows arm64
-            os: windows-11-arm
-            target: aarch64-pc-windows-msvc
-          - name: Windows x64
-            os: windows-latest
-            target: x86_64-pc-windows-msvc
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v5
-        with: { ref: "${{ env.TAG }}" }
-      - uses: pnpm/action-setup@v5
-        with: { version: 11 }
-      - uses: actions/setup-node@v5
-        with: { node-version: 22, cache: pnpm }
-      - uses: dtolnay/rust-toolchain@stable
-        with: { targets: "${{ matrix.target }}" }
-      - uses: Swatinem/rust-cache@v2
-        with: { key: "${{ matrix.target }}" }
-      - name: Linux deps
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y libwebkit2gtk-4.1-dev libayatana-appindicator3-dev librsvg2-dev libxdo-dev libssl-dev patchelf
-      - run: pnpm install --frozen-lockfile
-      # Signing is optional: only secrets that are set get exported, so forks and
-      # unconfigured repos produce unsigned builds instead of failing.
-      - name: Signing env
-        shell: bash
-        env:
-          APPLE_CERTIFICATE: ${{ runner.os == 'macOS' && secrets.APPLE_CERTIFICATE || '' }}
-          APPLE_CERTIFICATE_PASSWORD: ${{ runner.os == 'macOS' && secrets.APPLE_CERTIFICATE_PASSWORD || '' }}
-          APPLE_SIGNING_IDENTITY: ${{ runner.os == 'macOS' && secrets.APPLE_SIGNING_IDENTITY || '' }}
-          APPLE_ID: ${{ runner.os == 'macOS' && secrets.APPLE_ID || '' }}
-          APPLE_PASSWORD: ${{ runner.os == 'macOS' && secrets.APPLE_PASSWORD || '' }}
-          APPLE_TEAM_ID: ${{ runner.os == 'macOS' && secrets.APPLE_TEAM_ID || '' }}
-          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
-          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
-        run: |
-          for v in APPLE_CERTIFICATE APPLE_CERTIFICATE_PASSWORD APPLE_SIGNING_IDENTITY APPLE_ID \
-                   APPLE_PASSWORD APPLE_TEAM_ID TAURI_SIGNING_PRIVATE_KEY TAURI_SIGNING_PRIVATE_KEY_PASSWORD; do
-            [ -n "${!v}" ] && { echo "$v<<__EOF__"; echo "${!v}"; echo "__EOF__"; } >> "$GITHUB_ENV"
-          done
-          true
-      - uses: tauri-apps/tauri-action@v0
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          releaseId: ${{ inputs.release_id }}
-          tagName: ${{ env.TAG }}
-          args: --target ${{ matrix.target }}
-          # The parallel builds would race on one latest.json; `updater-manifest` writes it once.
-          uploadUpdaterJson: false
-      # tauri-action notarizes the .app but not the DMG around it; notarize and
-      # staple the DMG too, then replace the uploaded asset.
-      - name: Notarize DMG
-        if: runner.os == 'macOS' && env.APPLE_ID != ''
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          for dmg in target/${{ matrix.target }}/release/bundle/dmg/*.dmg; do
-            xcrun notarytool submit "$dmg" --apple-id "$APPLE_ID" --password "$APPLE_PASSWORD" \
-              --team-id "$APPLE_TEAM_ID" --wait
-            xcrun stapler staple "$dmg"
-            # Release assets have no spaces: GitHub stored the first upload with dots.
-            asset="$RUNNER_TEMP/$(basename "$dmg" | tr ' ' .)"
-            cp "$dmg" "$asset"
-            gh release upload "$TAG" "$asset" --clobber
-          done
-      # Portable Windows builds (#1857): on Windows Tauri embeds the
-      # frontend in the exe and WebView2 is a system component, so zipping
-      # the raw exe gives an unpack-and-run alternative to the installers.
-      - name: Portable zip
-        if: runner.os == 'Windows'
-        shell: pwsh
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          $target = "${{ matrix.target }}"
-          $arch = if ($target -like "x86_64*") { "x64" } else { "arm64" }
-          $version = $env:TAG -replace '^v', ''
-          $asset = "OpenIDEA_${version}_windows_${arch}_portable.zip"
-          $dir = "target/$target/release"
-          $files = @("$dir/openidea.exe")
-          if (Test-Path "$dir/WebView2Loader.dll") {
-            $files += "$dir/WebView2Loader.dll"
-          }
-          Compress-Archive -Path $files -DestinationPath $asset -Force
-          $hash = (Get-FileHash $asset -Algorithm SHA256).Hash.ToLower()
-          "$hash  $asset" | Out-File -Encoding ascii "$asset.sha256"
-          gh release upload $env:TAG $asset "$asset.sha256" --clobber
-
-  # The remote development server, per host platform it can run on. The desktop
-  # app downloads the one for the host (ide-tools `server`) and installs it over SSH.
-  # Linux builds are static (musl), so they run whatever the host's glibc.
-  server:
-    permissions:
-      contents: write
-    name: Server (${{ matrix.os }}-${{ matrix.arch }})
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { runner: ubuntu-22.04, target: x86_64-unknown-linux-musl, os: linux, arch: x86_64 }
-          - { runner: ubuntu-24.04-arm, target: aarch64-unknown-linux-musl, os: linux, arch: aarch64 }
-          - { runner: macos-latest, target: aarch64-apple-darwin, os: macos, arch: aarch64 }
-          - { runner: macos-latest, target: x86_64-apple-darwin, os: macos, arch: x86_64 }
-    runs-on: ${{ matrix.runner }}
-    steps:
-      - uses: actions/checkout@v5
-        with: { ref: "${{ env.TAG }}" }
-      - uses: dtolnay/rust-toolchain@stable
-        with: { targets: "${{ matrix.target }}" }
-      - uses: Swatinem/rust-cache@v2
-        with: { key: "server-${{ matrix.target }}" }
-      - name: musl toolchain
-        if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y musl-tools
-      - name: Build
-        run: |
-          # musl-tools only ships `musl-gcc`; cc-rs would look for `<arch>-linux-musl-gcc`.
-          if [ "$RUNNER_OS" = Linux ]; then export CC_${TARGET//-/_}=musl-gcc; fi
-          cargo build --release --locked -p ide-host --bin openidea-server --target "$TARGET"
-        env:
-          TARGET: ${{ matrix.target }}
-      - name: Upload
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ASSET: openidea-server-${{ matrix.os }}-${{ matrix.arch }}.gz
-        run: |
-          gzip -9 -c target/${{ matrix.target }}/release/openidea-server > "$ASSET"
-          if command -v sha256sum >/dev/null; then sha256sum "$ASSET"; else shasum -a 256 "$ASSET"; fi > "$ASSET.sha256"
-          gh release upload "$TAG" "$ASSET" "$ASSET.sha256" --clobber
-
-  # The updater manifest (latest.json), built once from the signed bundles every build uploaded.
-  # Fails when a platform is missing, so a release never ships a manifest without it.
-  updater-manifest:
-    permissions:
-      contents: write
-    needs: build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/github-script@v8
-        env:
-          RELEASE_ID: ${{ inputs.release_id }}
-        with:
-          script: |
-            const { owner, repo } = context.repo;
-            const release_id = Number(process.env.RELEASE_ID);
-            const tag = process.env.TAG;
-            const assets = await github.paginate(github.rest.repos.listReleaseAssets, { owner, repo, release_id });
-            const sigs = assets.filter((a) => a.name.endsWith(".sig"));
-            if (sigs.length === 0) {
-              core.notice("no signed bundles (TAURI_SIGNING_PRIVATE_KEY unset): skipping latest.json");
-              return;
-            }
-            // Bundle suffix → updater platform keys, as tauri-action names them.
-            // Nightly versions don't fit MSI or RPM, so those builds offer NSIS on Windows.
-            const nightly = tag.includes("-nightly.");
-            const windows = (arch, msi, nsis) => nightly
-              ? [[nsis, [`windows-${arch}`, `windows-${arch}-nsis`]]]
-              : [[msi, [`windows-${arch}`, `windows-${arch}-msi`]], [nsis, [`windows-${arch}-nsis`]]];
-            const kinds = [
-              [/_aarch64\.AppImage$/, ["linux-aarch64", "linux-aarch64-appimage"]],
-              [/_arm64\.deb$/, ["linux-aarch64-deb"]],
-              ...(nightly ? [] : [[/\.aarch64\.rpm$/, ["linux-aarch64-rpm"]]]),
-              [/_amd64\.AppImage$/, ["linux-x86_64", "linux-x86_64-appimage"]],
-              [/_amd64\.deb$/, ["linux-x86_64-deb"]],
-              ...(nightly ? [] : [[/\.x86_64\.rpm$/, ["linux-x86_64-rpm"]]]),
-              [/_aarch64\.app\.tar\.gz$/, ["darwin-aarch64", "darwin-aarch64-app"]],
-              [/_x64\.app\.tar\.gz$/, ["darwin-x86_64", "darwin-x86_64-app"]],
-              ...windows("aarch64", /_arm64_en-US\.msi$/, /_arm64-setup\.exe$/),
-              ...windows("x86_64", /_x64_en-US\.msi$/, /_x64-setup\.exe$/),
-            ];
-            const platforms = {};
-            for (const sig of sigs) {
-              const bundle = sig.name.slice(0, -".sig".length);
-              const kind = kinds.find(([re]) => re.test(bundle));
-              if (!kind) continue;
-              const { data } = await github.rest.repos.getReleaseAsset({
-                owner, repo, asset_id: sig.id, headers: { accept: "application/octet-stream" },
-              });
-              const signature = Buffer.from(data).toString("utf8").trim();
-              const url = `https://github.com/${owner}/${repo}/releases/download/${tag}/${encodeURIComponent(bundle)}`;
-              for (const key of kind[1]) platforms[key] = { signature, url };
-            }
-            const missing = kinds.flatMap(([, keys]) => keys).filter((k) => !platforms[k]);
-            if (missing.length) {
-              core.setFailed(`latest.json would miss ${missing.join(", ")}`);
-              return;
-            }
-            // The update's notes: the release body without its Download section. That
-            // section only matters on the release page, and What's new follows it.
-            const { data: release } = await github.rest.repos.getRelease({ owner, repo, release_id });
-            const withoutDownloadSection = (body) => {
-              const kept = [];
-              let skip = 0;
-              for (const line of body.split(/\r?\n/)) {
-                const heading = /^(#{1,6})\s+(.*)$/.exec(line);
-                if (heading) {
-                  const level = heading[1].length;
-                  if (!skip && level <= 3 && /^download$/i.test(heading[2].trim())) {
-                    skip = level;
-                    continue;
-                  }
-                  if (skip && level <= skip) skip = 0;
-                }
-                if (!skip) kept.push(line);
-              }
-              return kept.join("\n").trim();
-            };
-            const notes = withoutDownloadSection(String(release.body ?? ""));
-            const manifest = { version: tag.replace(/^v/, ""), notes, pub_date: new Date().toISOString(), platforms };
-            const old = assets.find((a) => a.name === "latest.json");
-            if (old) await github.rest.repos.deleteReleaseAsset({ owner, repo, asset_id: old.id });
-            await github.rest.repos.uploadReleaseAsset({
-              owner, repo, release_id, name: "latest.json",
-              data: JSON.stringify(manifest, null, 2),
-              headers: { "content-type": "application/json" },
-            });
-            core.info(`latest.json: ${Object.keys(platforms).sort().join(", ")}`);
@@ -1,7 +1,7 @@
 name: Release
 on:
  push:
-    tags: ["v*", "!v*-nightly.*"]
+    tags: ["v*"]
  workflow_dispatch:
    inputs:
      tag:
@@ -9,7 +9,7 @@ on:
        required: true

 permissions:
-  contents: read
+  contents: write

 concurrency:
  group: release-${{ github.event.inputs.tag || github.ref_name }}
@@ -23,12 +23,10 @@ env:
 jobs:
  # Creates (or reuses) one draft release that every platform build uploads into.
  create-release:
-    if: ${{ !contains(github.event.inputs.tag || github.ref_name, '-nightly.') }}
-    permissions:
-      contents: write
    runs-on: ubuntu-latest
    outputs:
      release_id: ${{ steps.release.outputs.id }}
+      official_plugin_keys: ${{ steps.plugin-keys.outputs.keys }}
    steps:
      - uses: actions/checkout@v5
        with: { ref: "${{ env.TAG }}" }
@@ -49,6 +47,20 @@ jobs:
            echo "::error::plugin API $(api wit) ships without a snapshot ($snapshot is $(api "$snapshot")): copy wit/*.wit to $snapshot/"
            exit 1
          fi
+      # The official plugins' public key (from PLUGIN_SIGNING_KEY, the seed
+      # `openidea-plugin keygen` writes), built into the app: their packages
+      # must carry its signature whatever the marketplace index lists. Without
+      # the secret the app takes the index's word, as development builds do.
+      - id: plugin-keys
+        env:
+          SIGNING_KEY: ${{ secrets.PLUGIN_SIGNING_KEY }}
+        run: |
+          if [ -n "$SIGNING_KEY" ]; then
+            seed="$(printf %s "$SIGNING_KEY" | base64 -d | od -An -tx1 | tr -d ' \n')"
+            key="$(printf '302e020100300506032b657004220420%s' "$seed" | xxd -r -p |
+              openssl pkey -inform DER -pubout -outform DER | tail -c 32 | base64)"
+            echo "keys=$key" >> "$GITHUB_OUTPUT"
+          fi
      - id: release
        uses: actions/github-script@v8
        with:
@@ -62,26 +74,161 @@ jobs:
              core.setOutput("id", existing.id);
              return;
            }
-            // Nightly builds are prereleases: the notes span stable release to stable release.
-            const previous = releases.find((r) => !r.draft && !r.prerelease);
-            const { data: notes } = await github.rest.repos.generateReleaseNotes({
-              owner, repo, tag_name: tag, previous_tag_name: previous?.tag_name,
-            });
            const { data } = await github.rest.repos.createRelease({
              owner, repo, tag_name: tag, name: `OpenIDEA ${tag}`,
-              draft: true, prerelease: tag.includes("-"), body: notes.body,
+              draft: true, prerelease: tag.includes("-"), generate_release_notes: true,
            });
            core.setOutput("id", data.id);

-  binaries:
-    permissions:
-      contents: write
+  build:
    needs: create-release
-    uses: ./.github/workflows/release-build.yml
-    with:
-      tag: ${{ github.event.inputs.tag || github.ref_name }}
-      release_id: ${{ needs.create-release.outputs.release_id }}
-    secrets: inherit
+    name: Build (${{ matrix.name }})
+    env:
+      OPENIDEA_OFFICIAL_PLUGIN_KEYS: ${{ needs.create-release.outputs.official_plugin_keys }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: macOS arm64
+            os: macos-latest
+            target: aarch64-apple-darwin
+          - name: macOS x64
+            os: macos-latest
+            target: x86_64-apple-darwin
+          - name: Linux x64
+            os: ubuntu-22.04
+            target: x86_64-unknown-linux-gnu
+          - name: Linux arm64
+            os: ubuntu-22.04-arm
+            target: aarch64-unknown-linux-gnu
+          - name: Windows arm64
+            os: windows-11-arm
+            target: aarch64-pc-windows-msvc
+          - name: Windows x64
+            os: windows-latest
+            target: x86_64-pc-windows-msvc
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v5
+        with: { ref: "${{ env.TAG }}" }
+      - uses: pnpm/action-setup@v5
+        with: { version: 11 }
+      - uses: actions/setup-node@v5
+        with: { node-version: 22, cache: pnpm }
+      - uses: dtolnay/rust-toolchain@stable
+        with: { targets: "${{ matrix.target }}" }
+      - uses: Swatinem/rust-cache@v2
+        with: { key: "${{ matrix.target }}" }
+      - name: Linux deps
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libwebkit2gtk-4.1-dev libayatana-appindicator3-dev librsvg2-dev libxdo-dev libssl-dev patchelf
+      - run: pnpm install --frozen-lockfile
+      # Signing is optional: only secrets that are set get exported, so forks and
+      # unconfigured repos produce unsigned builds instead of failing.
+      - name: Signing env
+        shell: bash
+        env:
+          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
+          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
+          APPLE_SIGNING_IDENTITY: ${{ secrets.APPLE_SIGNING_IDENTITY }}
+          APPLE_ID: ${{ secrets.APPLE_ID }}
+          APPLE_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
+          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
+        run: |
+          for v in APPLE_CERTIFICATE APPLE_CERTIFICATE_PASSWORD APPLE_SIGNING_IDENTITY APPLE_ID \
+                   APPLE_PASSWORD APPLE_TEAM_ID TAURI_SIGNING_PRIVATE_KEY TAURI_SIGNING_PRIVATE_KEY_PASSWORD; do
+            [ -n "${!v}" ] && { echo "$v<<__EOF__"; echo "${!v}"; echo "__EOF__"; } >> "$GITHUB_ENV"
+          done
+          true
+      - uses: tauri-apps/tauri-action@v0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          releaseId: ${{ needs.create-release.outputs.release_id }}
+          tagName: ${{ env.TAG }}
+          args: --target ${{ matrix.target }}
+          # The parallel builds would race on one latest.json; `updater-manifest` writes it once.
+          uploadUpdaterJson: false
+      # tauri-action notarizes the .app but not the DMG around it; notarize and
+      # staple the DMG too, then replace the uploaded asset.
+      - name: Notarize DMG
+        if: runner.os == 'macOS' && env.APPLE_ID != ''
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          for dmg in target/${{ matrix.target }}/release/bundle/dmg/*.dmg; do
+            xcrun notarytool submit "$dmg" --apple-id "$APPLE_ID" --password "$APPLE_PASSWORD" \
+              --team-id "$APPLE_TEAM_ID" --wait
+            xcrun stapler staple "$dmg"
+            gh release upload "$TAG" "$dmg" --clobber
+          done
+      # Portable Windows builds (#1857): on Windows Tauri embeds the
+      # frontend in the exe and WebView2 is a system component, so zipping
+      # the raw exe gives an unpack-and-run alternative to the installers.
+      - name: Portable zip
+        if: runner.os == 'Windows'
+        shell: pwsh
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          $target = "${{ matrix.target }}"
+          $arch = if ($target -like "x86_64*") { "x64" } else { "arm64" }
+          $version = $env:TAG -replace '^v', ''
+          $asset = "OpenIDEA_${version}_windows_${arch}_portable.zip"
+          $dir = "target/$target/release"
+          $files = @("$dir/openidea.exe")
+          if (Test-Path "$dir/WebView2Loader.dll") {
+            $files += "$dir/WebView2Loader.dll"
+          }
+          Compress-Archive -Path $files -DestinationPath $asset -Force
+          $hash = (Get-FileHash $asset -Algorithm SHA256).Hash.ToLower()
+          "$hash  $asset" | Out-File -Encoding ascii "$asset.sha256"
+          gh release upload $env:TAG $asset "$asset.sha256" --clobber
+
+  # The remote development server, per host platform it can run on. The desktop
+  # app downloads the one for the host (ide-tools `server`) and installs it over SSH.
+  # Linux builds are static (musl), so they run whatever the host's glibc.
+  server:
+    needs: create-release
+    name: Server (${{ matrix.os }}-${{ matrix.arch }})
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { runner: ubuntu-22.04, target: x86_64-unknown-linux-musl, os: linux, arch: x86_64 }
+          - { runner: ubuntu-24.04-arm, target: aarch64-unknown-linux-musl, os: linux, arch: aarch64 }
+          - { runner: macos-latest, target: aarch64-apple-darwin, os: macos, arch: aarch64 }
+          - { runner: macos-latest, target: x86_64-apple-darwin, os: macos, arch: x86_64 }
+    runs-on: ${{ matrix.runner }}
+    steps:
+      - uses: actions/checkout@v5
+        with: { ref: "${{ env.TAG }}" }
+      - uses: dtolnay/rust-toolchain@stable
+        with: { targets: "${{ matrix.target }}" }
+      - uses: Swatinem/rust-cache@v2
+        with: { key: "server-${{ matrix.target }}" }
+      - name: musl toolchain
+        if: runner.os == 'Linux'
+        run: sudo apt-get update && sudo apt-get install -y musl-tools
+      - name: Build
+        run: |
+          # musl-tools only ships `musl-gcc`; cc-rs would look for `<arch>-linux-musl-gcc`.
+          if [ "$RUNNER_OS" = Linux ]; then export CC_${TARGET//-/_}=musl-gcc; fi
+          cargo build --release --locked -p ide-host --bin openidea-server --target "$TARGET"
+        env:
+          TARGET: ${{ matrix.target }}
+      - name: Upload
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ASSET: openidea-server-${{ matrix.os }}-${{ matrix.arch }}.gz
+        run: |
+          gzip -9 -c target/${{ matrix.target }}/release/openidea-server > "$ASSET"
+          if command -v sha256sum >/dev/null; then sha256sum "$ASSET"; else shasum -a 256 "$ASSET"; fi > "$ASSET.sha256"
+          gh release upload "$TAG" "$ASSET" "$ASSET.sha256" --clobber

  # The official plugins, signed, and the marketplace index released apps read
  # (releases/latest/download/plugins-index.json). They are not in the
@@ -93,8 +240,6 @@ jobs:
  # openidea-plugin tool for Linux x64, which that workflow and the registry's
  # checks run.
  plugins:
-    permissions:
-      contents: write
    needs: create-release
    name: Official plugins
    runs-on: ubuntu-22.04
@@ -158,10 +303,70 @@ jobs:
          gh release upload "$TAG" "$out"/*.oiplugin "$out/plugins-index.json" \
            "$out/openidea-plugin-linux-x86_64.gz" --clobber

+  # The updater manifest (latest.json), built once from the signed bundles every build uploaded.
+  # Fails when a platform is missing, so a release never ships a manifest without it.
+  updater-manifest:
+    needs: [create-release, build]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v8
+        env:
+          RELEASE_ID: ${{ needs.create-release.outputs.release_id }}
+        with:
+          script: |
+            const { owner, repo } = context.repo;
+            const release_id = Number(process.env.RELEASE_ID);
+            const tag = process.env.TAG;
+            const assets = await github.paginate(github.rest.repos.listReleaseAssets, { owner, repo, release_id });
+            const sigs = assets.filter((a) => a.name.endsWith(".sig"));
+            if (sigs.length === 0) {
+              core.notice("no signed bundles (TAURI_SIGNING_PRIVATE_KEY unset): skipping latest.json");
+              return;
+            }
+            // Bundle suffix → updater platform keys, as tauri-action names them.
+            const kinds = [
+              [/_aarch64\.AppImage$/, ["linux-aarch64", "linux-aarch64-appimage"]],
+              [/_arm64\.deb$/, ["linux-aarch64-deb"]],
+              [/\.aarch64\.rpm$/, ["linux-aarch64-rpm"]],
+              [/_amd64\.AppImage$/, ["linux-x86_64", "linux-x86_64-appimage"]],
+              [/_amd64\.deb$/, ["linux-x86_64-deb"]],
+              [/\.x86_64\.rpm$/, ["linux-x86_64-rpm"]],
+              [/_aarch64\.app\.tar\.gz$/, ["darwin-aarch64", "darwin-aarch64-app"]],
+              [/_x64\.app\.tar\.gz$/, ["darwin-x86_64", "darwin-x86_64-app"]],
+              [/_arm64_en-US\.msi$/, ["windows-aarch64", "windows-aarch64-msi"]],
+              [/_arm64-setup\.exe$/, ["windows-aarch64-nsis"]],
+              [/_x64_en-US\.msi$/, ["windows-x86_64", "windows-x86_64-msi"]],
+              [/_x64-setup\.exe$/, ["windows-x86_64-nsis"]],
+            ];
+            const platforms = {};
+            for (const sig of sigs) {
+              const bundle = sig.name.slice(0, -".sig".length);
+              const kind = kinds.find(([re]) => re.test(bundle));
+              if (!kind) continue;
+              const { data } = await github.rest.repos.getReleaseAsset({
+                owner, repo, asset_id: sig.id, headers: { accept: "application/octet-stream" },
+              });
+              const signature = Buffer.from(data).toString("utf8").trim();
+              const url = `https://github.com/${owner}/${repo}/releases/download/${tag}/${encodeURIComponent(bundle)}`;
+              for (const key of kind[1]) platforms[key] = { signature, url };
+            }
+            const missing = kinds.flatMap(([, keys]) => keys).filter((k) => !platforms[k]);
+            if (missing.length) {
+              core.setFailed(`latest.json would miss ${missing.join(", ")}`);
+              return;
+            }
+            const manifest = { version: tag.replace(/^v/, ""), notes: "", pub_date: new Date().toISOString(), platforms };
+            const old = assets.find((a) => a.name === "latest.json");
+            if (old) await github.rest.repos.deleteReleaseAsset({ owner, repo, asset_id: old.id });
+            await github.rest.repos.uploadReleaseAsset({
+              owner, repo, release_id, name: "latest.json",
+              data: JSON.stringify(manifest, null, 2),
+              headers: { "content-type": "application/json" },
+            });
+            core.info(`latest.json: ${Object.keys(platforms).sort().join(", ")}`);
+
  publish:
-    permissions:
-      contents: write
-    needs: [create-release, binaries, plugins]
+    needs: [create-release, build, server, plugins, updater-manifest]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v8
@@ -12,7 +12,7 @@
    "src/editor/core/cm/angular/parser*.ts",
    "src/editor/core/cm/jsp/parser*.ts",
    "src/editor/core/cm/astro/parser*.ts",
-    "plugins/themes.md",
+    "docs/plugins/themes.md",
    "pnpm-lock.yaml",
    "**/*.toml",
    "fixtures",
@@ -21,13 +21,11 @@ Visual style: dark, low-contrast greys, one cool accent
 - `crates/ide-host` — the `openidea-server` binary for remote development and the
  `openidea-plugin` CLI (plugin starter templates live in its `templates.rs`).
 - `wit/` — plugin interface definitions; `plugins/` — sample and bundled plugins.
-  Plugin docs: `plugins/README.md`, `plugins/themes.md`.
+  Plugin docs: `plugins/README.md`, `docs/plugins/themes.md`.
 - `java/` — JDT LS extension bundles (`java-usages`, `kotlin-bridge`) and the patched
  Lombok agent, embedded into the app by `ide-sdk` / `ide-tools`.
 - `e2e/` — Playwright UI tests (`pnpm e2e`). `fixtures/` — sample projects per language
  for manual and automated testing.
- `docs/` — the Mintlify documentation site (`docs.json` navigation, `en/` and `zh/` pages);
-  preview with `npx mint dev` in `docs/`.

 ## Rules

@@ -1578,6 +1578,16 @@ dependencies = [
 "syn 2.0.119",
 ]

+[[package]]
+name = "darling"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
+dependencies = [
+ "darling_core 0.13.4",
+ "darling_macro 0.13.4",
+]
+
 [[package]]
 name = "darling"
 version = "0.23.0"
@@ -1598,6 +1608,20 @@ dependencies = [
 "darling_macro 0.24.1",
 ]

+[[package]]
+name = "darling_core"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim 0.10.0",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "darling_core"
 version = "0.23.0"
@@ -1607,7 +1631,7 @@ dependencies = [
 "ident_case",
 "proc-macro2",
 "quote",
- "strsim",
+ "strsim 0.11.1",
 "syn 2.0.119",
 ]

@@ -1620,10 +1644,21 @@ dependencies = [
 "ident_case",
 "proc-macro2",
 "quote",
- "strsim",
+ "strsim 0.11.1",
 "syn 3.0.9",
 ]

+[[package]]
+name = "darling_macro"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c972679f83bdf9c42bd905396b6c3588a843a17f0f16dfcfa3e2c5d57441835"
+dependencies = [
+ "darling_core 0.13.4",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "darling_macro"
 version = "0.23.0"
@@ -2650,7 +2685,7 @@ checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
 dependencies = [
 "cfg-if",
 "libc",
- "wasi 0.11.1+wasi-snapshot-preview1",
+ "wasi",
 ]

 [[package]]
@@ -4145,7 +4180,7 @@ checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"

 [[package]]
 name = "ide-agent"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dunce",
 "encoding_rs",
@@ -4169,7 +4204,7 @@ dependencies = [

 [[package]]
 name = "ide-analysis"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ast-grep-core",
 "ide-core",
@@ -4183,7 +4218,7 @@ dependencies = [

 [[package]]
 name = "ide-android"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
 "serde",
@@ -4194,13 +4229,11 @@ dependencies = [

 [[package]]
 name = "ide-build"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "blake3",
- "chardetng",
 "dirs 6.0.0",
 "dunce",
- "encoding_rs",
 "ide-core",
 "serde",
 "serde_json",
@@ -4212,7 +4245,7 @@ dependencies = [

 [[package]]
 name = "ide-cli"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dirs 6.0.0",
 "serde",
@@ -4226,9 +4259,8 @@ dependencies = [

 [[package]]
 name = "ide-clipboard"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
- "gtk",
 "objc2 0.6.5",
 "objc2-app-kit 0.3.2",
 "objc2-foundation 0.3.2",
@@ -4236,11 +4268,12 @@ dependencies = [

 [[package]]
 name = "ide-core"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dunce",
 "encoding_rs",
 "libc",
+ "percent-encoding",
 "serde",
 "serde_json",
 "specta",
@@ -4253,7 +4286,7 @@ dependencies = [

 [[package]]
 name = "ide-coverage"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
 "ide-run",
@@ -4267,20 +4300,17 @@ dependencies = [

 [[package]]
 name = "ide-dap"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "futures",
 "ide-core",
- "ide-heap",
- "ide-jdwp",
 "ide-jsonrpc",
- "ide-jvm-attach",
- "ide-jvm-inspect",
 "ide-language",
+ "ide-remote",
+ "ide-run",
 "libc",
 "memchr",
 "parking_lot",
- "percent-encoding",
 "portable-pty",
 "serde",
 "serde_json",
@@ -4293,7 +4323,7 @@ dependencies = [

 [[package]]
 name = "ide-db"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "bb8",
 "blake3",
@@ -4303,7 +4333,7 @@ dependencies = [
 "ide-core",
 "ide-http",
 "ide-ssh",
- "oracledb",
+ "oracle",
 "parking_lot",
 "reqwest",
 "rustls",
@@ -4323,7 +4353,7 @@ dependencies = [

 [[package]]
 name = "ide-docker"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
 "serde",
@@ -4336,11 +4366,10 @@ dependencies = [

 [[package]]
 name = "ide-extension"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "base64 0.22.1",
 "blake3",
- "dunce",
 "ed25519-dalek",
 "ide-core",
 "parking_lot",
@@ -4357,7 +4386,7 @@ dependencies = [

 [[package]]
 name = "ide-fonts"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "objc2-core-foundation",
 "objc2-core-text",
@@ -4369,7 +4398,7 @@ dependencies = [

 [[package]]
 name = "ide-github"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
 "ide-vcs",
@@ -4380,27 +4409,9 @@ dependencies = [
 "which",
 ]

-[[package]]
-name = "ide-heap"
-version = "0.1.42"
-dependencies = [
- "criterion",
- "ide-core",
- "libc",
- "memmap2",
- "proptest",
- "serde",
- "serde_json",
- "specta",
- "tempfile",
- "thiserror 2.0.21",
- "tracing",
- "uuid",
-]
-
 [[package]]
 name = "ide-host"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "base64 0.22.1",
 "blake3",
@@ -4420,11 +4431,9 @@ dependencies = [
 "ide-db",
 "ide-docker",
 "ide-extension",
- "ide-heap",
 "ide-http",
 "ide-index",
 "ide-jsonrpc",
- "ide-jvm-attach",
 "ide-language",
 "ide-lsp",
 "ide-mcp",
@@ -4432,7 +4441,6 @@ dependencies = [
 "ide-plugin",
 "ide-remote",
 "ide-run",
- "ide-scaffold",
 "ide-sdk",
 "ide-search",
 "ide-spell",
@@ -4447,6 +4455,7 @@ dependencies = [
 "ignore",
 "jsonschema",
 "parking_lot",
+ "percent-encoding",
 "quick-xml 0.42.0",
 "regex-lite",
 "regex-syntax",
@@ -4469,10 +4478,9 @@ dependencies = [

 [[package]]
 name = "ide-http"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
- "ide-vfs",
 "parking_lot",
 "reqwest",
 "rustls",
@@ -4488,7 +4496,7 @@ dependencies = [

 [[package]]
 name = "ide-index"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "blake3",
 "criterion",
@@ -4508,21 +4516,9 @@ dependencies = [
 "tracing",
 ]

-[[package]]
-name = "ide-jdwp"
-version = "0.1.42"
-dependencies = [
- "ide-jvm-inspect",
- "proptest",
- "tempfile",
- "thiserror 2.0.21",
- "tokio",
- "tracing",
-]
-
 [[package]]
 name = "ide-jsonrpc"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "encoding_rs",
 "futures",
@@ -4537,29 +4533,9 @@ dependencies = [
 "tracing",
 ]

-[[package]]
-name = "ide-jvm-attach"
-version = "0.1.42"
-dependencies = [
- "libc",
- "tempfile",
- "thiserror 2.0.21",
-]
-
-[[package]]
-name = "ide-jvm-inspect"
-version = "0.1.42"
-dependencies = [
- "futures",
- "serde",
- "serde_json",
- "specta",
- "thiserror 2.0.21",
-]
-
 [[package]]
 name = "ide-language"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "blake3",
 "criterion",
@@ -4615,14 +4591,13 @@ dependencies = [

 [[package]]
 name = "ide-lsp"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dunce",
 "futures",
 "globset",
 "ide-core",
 "ide-jsonrpc",
- "ide-jvm-inspect",
 "ide-language",
 "ide-text",
 "ide-vfs",
@@ -4642,7 +4617,7 @@ dependencies = [

 [[package]]
 name = "ide-mcp"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "bytes",
 "dunce",
@@ -4661,7 +4636,7 @@ dependencies = [

 [[package]]
 name = "ide-notebook"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "futures",
 "ide-core",
@@ -4684,7 +4659,7 @@ dependencies = [

 [[package]]
 name = "ide-plugin"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "blake3",
 "dunce",
@@ -4707,10 +4682,9 @@ dependencies = [

 [[package]]
 name = "ide-profiler"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
- "ide-jvm-attach",
 "ide-run",
 "serde",
 "serde_json",
@@ -4721,7 +4695,7 @@ dependencies = [

 [[package]]
 name = "ide-remote"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dunce",
 "globset",
@@ -4740,7 +4714,7 @@ dependencies = [

 [[package]]
 name = "ide-run"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dunce",
 "encoding_rs",
@@ -4762,25 +4736,9 @@ dependencies = [
 "zip",
 ]

-[[package]]
-name = "ide-scaffold"
-version = "0.1.42"
-dependencies = [
- "ide-core",
- "ide-tools",
- "ide-vcs",
- "insta",
- "serde",
- "serde_json",
- "specta",
- "tempfile",
- "toml 0.9.12+spec-1.1.0",
- "tracing",
-]
-
 [[package]]
 name = "ide-sdk"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dunce",
 "ide-core",
@@ -4788,7 +4746,6 @@ dependencies = [
 "ide-run",
 "ide-vfs",
 "ignore",
- "quick-xml 0.42.0",
 "serde",
 "serde_json",
 "specta",
@@ -4800,10 +4757,9 @@ dependencies = [

 [[package]]
 name = "ide-search"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "criterion",
- "encoding_rs",
 "globset",
 "grep-matcher",
 "grep-regex",
@@ -4821,7 +4777,7 @@ dependencies = [

 [[package]]
 name = "ide-spell"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
 "parking_lot",
@@ -4834,7 +4790,7 @@ dependencies = [

 [[package]]
 name = "ide-ssh"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "dirs 6.0.0",
 "flate2",
@@ -4855,7 +4811,7 @@ dependencies = [

 [[package]]
 name = "ide-syntax"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
 "ide-language",
@@ -4870,7 +4826,7 @@ dependencies = [

 [[package]]
 name = "ide-terminal"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "ide-core",
 "libc",
@@ -4883,7 +4839,7 @@ dependencies = [

 [[package]]
 name = "ide-text"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "criterion",
 "ide-core",
@@ -4896,7 +4852,7 @@ dependencies = [

 [[package]]
 name = "ide-tools"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "flate2",
 "hex",
@@ -4917,7 +4873,7 @@ dependencies = [

 [[package]]
 name = "ide-vcs"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "blake3",
 "dunce",
@@ -4938,7 +4894,7 @@ dependencies = [

 [[package]]
 name = "ide-vfs"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "chardetng",
 "dunce",
@@ -4962,11 +4918,11 @@ dependencies = [

 [[package]]
 name = "ide-web"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
- "dirs 6.0.0",
 "ide-core",
 "open",
+ "parking_lot",
 "percent-encoding",
 "serde",
 "specta",
@@ -4978,7 +4934,7 @@ dependencies = [

 [[package]]
 name = "ide-workspace"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "blake3",
 "dunce",
@@ -5625,9 +5581,9 @@ dependencies = [

 [[package]]
 name = "libsqlite3-sys"
-version = "0.39.1"
+version = "0.37.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14a5f01b87b92705d07b433c06f96cbc764637d81a0bffb5734ce17cf0f9a2b3"
+checksum = "b1f111c8c41e7c61a49cd34e44c7619462967221a6443b0ec299e0ac30cfb9b1"
 dependencies = [
 "cc",
 "pkg-config",
@@ -5795,7 +5751,7 @@ checksum = "1788edb87fdc09c7e26304471e2f5be8cdefb1b6930d6e3985fc02ff53bf86ee"
 dependencies = [
 "libc",
 "log",
- "wasi 0.11.1+wasi-snapshot-preview1",
+ "wasi",
 "windows-sys 0.61.2",
 ]

@@ -6407,15 +6363,6 @@ dependencies = [
 "objc2-foundation 0.2.2",
 ]

-[[package]]
-name = "objc2-system-configuration"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7216bd11cbda54ccabcab84d523dc93b858ec75ecfb3a7d89513fa22464da396"
-dependencies = [
- "objc2-core-foundation",
-]
-
 [[package]]
 name = "objc2-ui-kit"
 version = "0.2.2"
@@ -6531,6 +6478,15 @@ dependencies = [
 "memchr",
 ]

+[[package]]
+name = "odpic-sys"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "920b5474a5128a9f0232df5a0ffc50aaa5b077b29b8b06ab0131985ac82793ed"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.21.4"
@@ -6556,7 +6512,7 @@ dependencies = [

 [[package]]
 name = "openidea"
-version = "0.1.42"
+version = "0.1.39"
 dependencies = [
 "base64 0.22.1",
 "blake3",
@@ -6590,7 +6546,6 @@ dependencies = [
 "ide-profiler",
 "ide-remote",
 "ide-run",
- "ide-scaffold",
 "ide-sdk",
 "ide-search",
 "ide-spell",
@@ -6645,24 +6600,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"

 [[package]]
-name = "oracledb"
-version = "26.0.0-beta.5"
+name = "oracle"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27b98c7346f2bb5169ec4b2d4f066fb616529ac766b395440c5019fe88d1ef45"
+checksum = "3db40fe6e4df881b683691ade5ef1f7b1afd52aefa115581f7b92855524d7ec0"
 dependencies = [
- "aes",
- "base16ct",
- "base64ct",
- "cbc",
- "chrono",
- "pbkdf2",
- "pkcs8",
- "rand 0.10.3",
- "rustls",
- "sha2 0.11.1",
- "uuid",
- "webpki-roots",
- "whoami",
+ "cc",
+ "odpic-sys",
+ "once_cell",
+ "oracle_procmacro",
+ "paste",
+ "rustversion",
+]
+
+[[package]]
+name = "oracle_procmacro"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad247f3421d57de56a0d0408d3249d4b1048a522be2013656d92f022c3d8af27"
+dependencies = [
+ "darling 0.13.4",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
 ]

 [[package]]
@@ -7797,9 +7757,9 @@ dependencies = [

 [[package]]
 name = "rustix"
-version = "1.1.6"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5e76742e5294153d4dde1207dbec5bdd81eef6fabdc0d2118babadabfd858aa"
+checksum = "891efababe418670775f199f0d233d84843c227a0949a883ce15b37c78d6629d"
 dependencies = [
 "bitflags 2.13.2",
 "errno",
@@ -8669,7 +8629,8 @@ checksum = "3a0219bd7d979d58245a4f41f695e1ac9f8befdffadd7f61f1bae9e39abc6620"
 [[package]]
 name = "sqlx"
 version = "0.9.0"
-source = "git+https://github.com/transact-rs/sqlx?rev=10462fa4414c6c7f1ed1d39bb31678e3b726878c#10462fa4414c6c7f1ed1d39bb31678e3b726878c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "378620ccc25c62c89d8be1c819e76a88d59bdcc3304733330788948e619bfd71"
 dependencies = [
 "sqlx-core",
 "sqlx-macros",
@@ -8681,7 +8642,8 @@ dependencies = [
 [[package]]
 name = "sqlx-core"
 version = "0.9.0"
-source = "git+https://github.com/transact-rs/sqlx?rev=10462fa4414c6c7f1ed1d39bb31678e3b726878c#10462fa4414c6c7f1ed1d39bb31678e3b726878c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05b44e85bf579a8eeb4ceaa77a3a523baf2bf0e9bac7e40f405d537b5d2d5ccb"
 dependencies = [
 "base64 0.22.1",
 "bytes",
@@ -8703,7 +8665,7 @@ dependencies = [
 "rustls",
 "serde",
 "serde_json",
- "sha2 0.11.1",
+ "sha2 0.10.9",
 "smallvec",
 "thiserror 2.0.21",
 "tokio",
@@ -8716,7 +8678,8 @@ dependencies = [
 [[package]]
 name = "sqlx-macros"
 version = "0.9.0"
-source = "git+https://github.com/transact-rs/sqlx?rev=10462fa4414c6c7f1ed1d39bb31678e3b726878c#10462fa4414c6c7f1ed1d39bb31678e3b726878c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd2b84f2bc39a5705ef27ec785a11c934a41bbd4a24941e257927cddc26b60bf"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -8728,7 +8691,8 @@ dependencies = [
 [[package]]
 name = "sqlx-macros-core"
 version = "0.9.0"
-source = "git+https://github.com/transact-rs/sqlx?rev=10462fa4414c6c7f1ed1d39bb31678e3b726878c#10462fa4414c6c7f1ed1d39bb31678e3b726878c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb8d96de5fdc85a5c4ec813432b523ec637e80ba98f046555f75f7908ddac7c3"
 dependencies = [
 "cfg-if",
 "dotenvy",
@@ -8739,7 +8703,7 @@ dependencies = [
 "quote",
 "serde",
 "serde_json",
- "sha2 0.11.1",
+ "sha2 0.10.9",
 "sqlx-core",
 "sqlx-mysql",
 "sqlx-postgres",
@@ -8752,7 +8716,8 @@ dependencies = [
 [[package]]
 name = "sqlx-mysql"
 version = "0.9.0"
-source = "git+https://github.com/transact-rs/sqlx?rev=10462fa4414c6c7f1ed1d39bb31678e3b726878c#10462fa4414c6c7f1ed1d39bb31678e3b726878c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90b8020fe17c5f2c245bfa2505d7ef59c5604839527c740266ad2214acebea27"
 dependencies = [
 "bitflags 2.13.2",
 "byteorder",
@@ -8777,7 +8742,8 @@ dependencies = [
 [[package]]
 name = "sqlx-postgres"
 version = "0.9.0"
-source = "git+https://github.com/transact-rs/sqlx?rev=10462fa4414c6c7f1ed1d39bb31678e3b726878c#10462fa4414c6c7f1ed1d39bb31678e3b726878c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87a2bdd6e83f6b3ea525ca9fee568030508b58355a43d0b2c1674d5f79dcd65e"
 dependencies = [
 "atoi",
 "base64 0.22.1",
@@ -8811,7 +8777,8 @@ dependencies = [
 [[package]]
 name = "sqlx-sqlite"
 version = "0.9.0"
-source = "git+https://github.com/transact-rs/sqlx?rev=10462fa4414c6c7f1ed1d39bb31678e3b726878c#10462fa4414c6c7f1ed1d39bb31678e3b726878c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488e99c397a62007e4229aec669a179816339afc6d2620ca6fa420dbee2e982c"
 dependencies = [
 "atoi",
 "flume",
@@ -8949,6 +8916,12 @@ dependencies = [
 "unicode-properties",
 ]

+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
@@ -8985,6 +8958,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
 "proc-macro2",
+ "quote",
 "unicode-ident",
 ]

@@ -9207,7 +9181,7 @@ dependencies = [
 "serde",
 "serde_json",
 "static_vcruntime",
- "strsim",
+ "strsim 0.11.1",
 "tauri-utils",
 "tauri-winres",
 "walkdir",
@@ -9569,7 +9543,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
 dependencies = [
 "fastrand",
- "getrandom 0.3.4",
+ "getrandom 0.4.3",
 "once_cell",
 "rustix",
 "windows-sys 0.61.2",
@@ -10747,15 +10721,6 @@ version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"

-[[package]]
-name = "wasi"
-version = "0.14.7+wasi-0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "883478de20367e224c0090af9cf5f9fa85bed63a95c1abf3afc5c083ebc06e8c"
-dependencies = [
- "wasip2",
-]
-
 [[package]]
 name = "wasip2"
 version = "1.0.4+wasi-0.2.12"
@@ -10765,15 +10730,6 @@ dependencies = [
 "wit-bindgen",
 ]

-[[package]]
-name = "wasite"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66fe902b4a6b8028a753d5424909b764ccf79b7a209eac9bf97e59cda9f71a42"
-dependencies = [
- "wasi 0.14.7+wasi-0.2.4",
-]
-
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.129"
@@ -11353,13 +11309,6 @@ name = "whoami"
 version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "626c4bac6755d76ffc12cb01b2eac751db1996b9e0041de9aa02c8c211ddc82c"
-dependencies = [
- "libc",
- "libredox",
- "objc2-system-configuration",
- "wasite",
- "web-sys",
-]

 [[package]]
 name = "win_uds"
@@ -12195,15 +12144,14 @@ dependencies = [

 [[package]]
 name = "zip"
-version = "9.2.3"
+version = "9.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00fb4744e923442ecadfd3f85f51a5d24e03bf43d53813b81ebb4c91d02baa62"
+checksum = "1156b39d142a34b999c2310a50455e0cb3760bf7efad0122f796d813bee26ccb"
 dependencies = [
 "crc32fast",
 "flate2",
 "getrandom 0.4.3",
 "indexmap 2.14.2",
- "libc",
 "memchr",
 "nix 0.31.3",
 "typed-path",
@@ -5,7 +5,7 @@ members = ["crates/*", "src-tauri"]
 exclude = ["sdk", "plugins"]

 [workspace.package]
-version = "0.1.42"
+version = "0.1.39"
 edition = "2024"
 rust-version = "1.96"
 license = "Apache-2.0"
@@ -43,15 +43,10 @@ ide-ssh = { path = "crates/ide-ssh" }
 ide-remote = { path = "crates/ide-remote" }
 ide-host = { path = "crates/ide-host" }
 ide-mcp = { path = "crates/ide-mcp" }
-ide-scaffold = { path = "crates/ide-scaffold" }
 ide-notebook = { path = "crates/ide-notebook" }
 ide-extension = { path = "crates/ide-extension" }
 ide-plugin = { path = "crates/ide-plugin" }
 ide-cli = { path = "crates/ide-cli" }
-ide-jvm-attach = { path = "crates/ide-jvm-attach" }
-ide-jvm-inspect = { path = "crates/ide-jvm-inspect" }
-ide-jdwp = { path = "crates/ide-jdwp" }
-ide-heap = { path = "crates/ide-heap" }

 # serialization & IPC typing
 serde = { version = "1", features = ["derive"] }
@@ -87,8 +82,7 @@ trash = "5"
 blake3 = "1"
 dunce = "1"
 dirs = "6"
-memmap2 = "0.9"
-zip = { version = "9.2.3", default-features = false, features = ["deflate"] }
+zip = { version = "9", default-features = false, features = ["deflate"] }

 # search, index, language
 grep-searcher = "0.1"
@@ -109,11 +103,9 @@ portable-pty = "0.9"
 reqwest = { version = "0.13", default-features = false, features = ["rustls-no-provider", "http2", "charset", "socks", "gzip", "deflate", "brotli"] }
 rustls = { version = "0.23", default-features = false, features = ["ring", "std", "tls12", "logging"] }
 rustls-platform-verifier = "0.7"
-# Until SQLx releases its libsqlite3-sys 0.39 update (RUSTSEC-2026-0459).
-sqlx = { version = "0.9", git = "https://github.com/transact-rs/sqlx", rev = "10462fa4414c6c7f1ed1d39bb31678e3b726878c", default-features = false, features = ["runtime-tokio", "tls-rustls-ring-webpki", "sqlite", "postgres", "mysql"] }
+sqlx = { version = "0.9", default-features = false, features = ["runtime-tokio", "tls-rustls-ring-webpki", "sqlite", "postgres", "mysql"] }
 tiberius = { version = "0.13", default-features = false, features = ["tds73", "rustls", "sql-browser-tokio"] }
-# Pure-Rust thin Oracle driver; pinned to the beta until it stabilizes.
-oracledb = "=26.0.0-beta.5"
+oracle = { version = "0.6", default-features = false }
 bb8 = "0.9"
 uuid = { version = "1", features = ["v4"] }
 # OS credential stores
@@ -139,9 +131,7 @@ debug = false

 [profile.release]
 codegen-units = 1
-# Thin LTO: fat LTO's whole-program link outgrew the 16 GB release runners
-# (Linux arm64 was killed mid-link from v0.1.39 on).
-lto = "thin"
+lto = true
 opt-level = 3
 # Unwind, so a panic fails one task or command instead of quitting the IDE.
 panic = "unwind"
@@ -12,15 +12,11 @@
 <p align="center">
  <a href="https://github.com/l0ng-ai/openidea/releases/latest"><b>Download</b></a>
  &nbsp;·&nbsp;
-  <a href="https://openidea.sh">Docs</a>
-  &nbsp;·&nbsp;
  <a href="#benchmark">Benchmark</a>
  &nbsp;·&nbsp;
  <a href="#plugins">Plugins</a>
  &nbsp;·&nbsp;
  <a href="#community">Community</a>
-  &nbsp;·&nbsp;
-  <a href="#sponsor">Sponsor</a>
 </p>

 https://github.com/user-attachments/assets/234dd54c-1255-4b3a-b35c-533d78d737c0
@@ -29,7 +25,9 @@ OpenIDEA brings the IntelliJ IDEA way of working — its keymap, its tool window
 its search-everything habits — to a native app with a Rust core.

 Editor, code insight, debugger, Git, terminal, database and HTTP clients,
-for 60+ languages. Builds for macOS, Windows and Linux.
+for 60+ languages. Builds for macOS, Windows and Linux. On Windows, if you'd
+rather skip the installer, each release also ships a portable zip — unpack it
+and run `openidea.exe`.

 ## Benchmark

@@ -58,7 +56,7 @@ themes, file icons and languages. They run as sandboxed WebAssembly components;
 themes, icon themes and languages need no code at all.

 Install them from Settings › Plugins, or start your own with
-`openidea-plugin new` — see [Writing OpenIDEA plugins](https://openidea.sh/en/plugins) and
+`openidea-plugin new` — see [Writing OpenIDEA plugins](plugins/README.md) and
 the [official plugins](plugins/official). The plugin API is still a preview.

 ## Community
@@ -66,20 +64,13 @@ the [official plugins](plugins/official). The plugin API is still a preview.
 - [Discord](https://discord.gg/2Zy4yn7gP) — questions, feedback and release news.
 - WeChat group — scan to join:

-  <img src=".github/assets/wechat-group.png" alt="WeChat group QR code" width="200">
+  <img src="docs/assets/wechat-group.png" alt="WeChat group QR code" width="200">

- Contributing: see [CONTRIBUTING.md](CONTRIBUTING.md) and the [contributor docs](https://openidea.sh/en/contribute/setup).
+### Contributors

-## Sponsor
-
-If OpenIDEA saves you time, you can support its development with Alipay or WeChat Pay.
-
-<table>
-  <tr>
-    <td align="center"><img src=".github/assets/sponsor-alipay.png" alt="Alipay QR code" width="200"><br>Alipay</td>
-    <td align="center"><img src=".github/assets/sponsor-wechat.png" alt="WeChat Pay QR code" width="200"><br>WeChat Pay</td>
-  </tr>
-</table>
+<a href="https://github.com/l0ng-ai/openidea/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=l0ng-ai/openidea&max=100" alt="OpenIDEA contributors">
+</a>

 ## License

@@ -1,26 +0,0 @@
-# Security policy
-
-## Reporting a vulnerability
-
-Please do not report security problems in public issues, pull requests or discussions.
-
-Report them privately through GitHub:
-[Report a vulnerability](https://github.com/l0ng-ai/openidea/security/advisories/new)
-(repository **Security** tab → **Report a vulnerability**). Only the maintainers can see
-the report.
-
-Include what you can of:
-
- the affected version, platform, and whether remote development (`openidea-server`)
-  or plugins are involved;
- steps to reproduce, or a proof of concept;
- the impact you expect, and any fix you suggest.
-
-We will acknowledge the report, keep you updated in the advisory, and agree on a
-disclosure date with you. Fixes are released as a new version, and the advisory is
-published once users can update.
-
-## Supported versions
-
-Security fixes go into the latest release. Please check that the problem still occurs
-there before reporting.
@@ -1,11 +1,5 @@
 # Third-party licenses

-## Project type icons
-
-`src/ui/brands/*.svg` use the unmodified logo paths from
-[Simple Icons](https://github.com/simple-icons/simple-icons), retrieved through
-Iconify (`simple-icons:angular`, `simple-icons:astro`, `simple-icons:cplusplus`, `simple-icons:dart`, `simple-icons:django`, `simple-icons:dotnet`, `simple-icons:elixir`, `simple-icons:express`, `simple-icons:fastapi`, `simple-icons:flask`, `simple-icons:flutter`, `simple-icons:go`, `simple-icons:haskell`, `simple-icons:html5`, `simple-icons:kotlin`, `simple-icons:ktor`, `simple-icons:laravel`, `simple-icons:nestjs`, `simple-icons:nextdotjs`, `simple-icons:nodedotjs`, `simple-icons:nuxt`, `simple-icons:openjdk`, `simple-icons:phoenixframework`, `simple-icons:php`, `simple-icons:python`, `simple-icons:quarkus`, `simple-icons:ruby`, `simple-icons:rubyonrails`, `simple-icons:rust`, `simple-icons:scala`, `simple-icons:springboot`, `simple-icons:svelte`, `simple-icons:swift`, `simple-icons:symfony`, `simple-icons:vite`, `simple-icons:zig`) and filled with the brand colors (the standard icon grey for black logos). Licensed under [CC0 1.0 Universal](https://github.com/simple-icons/simple-icons/blob/develop/LICENSE.md).
-
 ## Project Lombok

 `java/lombok/lombok-1.18.48-openidea.3.jar` contains Project Lombok v1.18.48 with the Equinox
@@ -268,7 +262,7 @@ END OF TERMS AND CONDITIONS

 The Solarized palettes in `src/styles/tokens.css` are adapted from
 [Ethan Schoonover’s Solarized](https://github.com/altercation/solarized/tree/62f656a02f93c5190a8753159e34b385588d5ff3).
-MIT license:
+See [theme sources and mapping](docs/themes.md). MIT license:

 ```text
 Copyright (c) 2011 Ethan Schoonover
@@ -296,11 +290,7 @@ THE SOFTWARE.

 The One palettes and semantic syntax mapping in `src/styles/tokens.css` are
 adapted from GitHub’s Atom One syntax and UI themes.
-Source revisions:
-[one-light-syntax d845790](https://github.com/atom/one-light-syntax/tree/d84579027410c576086dfca14d934c4bd74b0438),
-[one-dark-syntax 9c96f44](https://github.com/atom/one-dark-syntax/tree/9c96f4454362267ac45322063e193ccf9d2debb1),
-[one-light-ui a27bce3](https://github.com/atom/one-light-ui/tree/a27bce35088ecd323e44f5c2510bcf2d4e9efcf8),
-[one-dark-ui 18c2143](https://github.com/atom/one-dark-ui/tree/18c2143d41e17b337fff6dc7024562c4d999be17).
+Source revisions are listed in [theme sources and mapping](docs/themes.md).
 Both syntax themes use the following MIT notice:

 ```text
@@ -1,102 +0,0 @@
-//! A short-lived ACP session to learn models, effort levels and other config options
-//! before the user's first task (Cursor and other ACP agents do not expose these in
-//! `initialize` alone).
-
-use super::{Conn, Dialect};
-use crate::config;
-use crate::model::AgentConfigOption;
-use crate::provider::ProviderSpec;
-use crate::{Shared, client_info};
-use parking_lot::Mutex;
-use serde_json::{Value, json};
-use std::sync::Arc;
-use std::time::Duration;
-
-const DISCOVER_TIMEOUT: Duration = if cfg!(test) { Duration::from_secs(3) } else { Duration::from_secs(120) };
-
-/// Opens `session/new`, reads `configOptions`, and records per-model `thought_level` choices.
-pub(crate) async fn run(shared: &Arc<Shared>, spec: &ProviderSpec) -> Result<(), String> {
-    let root = shared.paths.project_root.clone();
-    let launch = spec.clone();
-    let launch = tokio::task::spawn_blocking({
-        let root = root.clone();
-        move || launch.resolve_for_launch(&root)
-    })
-    .await
-    .map_err(|e| e.to_string())?;
-    let cwd = dunce::canonicalize(&root).unwrap_or(root);
-    let stderr: Arc<Mutex<Vec<String>>> = Arc::default();
-    let lines = stderr.clone();
-    let on_stderr: Box<dyn Fn(String) + Send + Sync> = Box::new(move |l| lines.lock().push(l));
-    let client = Dialect::wrap(Arc::new(ide_jsonrpc::NoopHandler));
-    let peer = (shared.connector)(&launch, &cwd, client.clone(), on_stderr)
-        .map_err(|e| format!("Couldn't start {} (`{}`): {e}", launch.name, launch.command))?;
-    let conn = Conn::new(peer.clone(), client);
-    let work = async {
-        conn.initialize(&client_info()).await.map_err(|e| e.to_string())?;
-        let cwd_s = cwd.to_string_lossy().into_owned();
-        // No project MCP during discovery: Cursor can spend a long time spawning servers.
-        let new: Value = conn
-            .request("session/new", json!({ "cwd": cwd_s, "mcpServers": [] }), None)
-            .await
-            .map_err(|e| e.to_string())?;
-        let mut options = config::options_of(&new);
-        config::add_client_options(&launch.id, &mut options);
-        let model_option = options.iter().find(|o| o.category.as_deref() == Some("model"));
-        let effort = levels_for_model_from_slice(&options);
-        let levels: Vec<(String, Vec<AgentConfigOption>)> = match (model_option, effort) {
-            (Some(model), Some(effort)) if !model.values.is_empty() => {
-                model.values.iter().map(|v| (v.value.clone(), effort.clone())).collect()
-            }
-            (Some(model), Some(effort)) => model.current.clone().map(|m| vec![(m, effort)]).unwrap_or_default(),
-            _ => Vec::new(),
-        };
-        let option_ids: Vec<_> = options.iter().map(|o| o.id.as_str()).collect();
-        tracing::info!(
-            "agent {}: settings discovery got {} config option(s) {:?}, {} model effort list(s)",
-            launch.id,
-            options.len(),
-            option_ids,
-            levels.len()
-        );
-        shared.remember_discovered(&launch.id, &options, &[], &levels);
-        Ok::<(), String>(())
-    };
-    let result = tokio::time::timeout(DISCOVER_TIMEOUT, work).await;
-    peer.kill();
-    match result {
-        Ok(Ok(())) => Ok(()),
-        Ok(Err(e)) => Err(match stderr.lock().last() {
-            Some(line) => format!("{e}: {line}"),
-            None => e,
-        }),
-        Err(_) => {
-            let tail = stderr.lock().join("\n");
-            if tail.is_empty() {
-                Err("the agent did not answer in time".into())
-            } else {
-                Err(format!("the agent did not answer in time:\n{tail}"))
-            }
-        }
-    }
-}
-
-fn is_thought_level(o: &AgentConfigOption) -> bool {
-    o.category.as_deref() == Some("thought_level")
-        || matches!(o.id.as_str(), "effort" | "reasoning_effort" | "thinking" | "reasoning")
-}
-
-fn levels_for_model_from_slice(options: &[AgentConfigOption]) -> Option<Vec<AgentConfigOption>> {
-    let levels: Vec<_> = options
-        .iter()
-        .filter(|o| is_thought_level(o))
-        .cloned()
-        .map(|mut o| {
-            if o.category.as_deref() != Some("thought_level") {
-                o.category = Some("thought_level".into());
-            }
-            o
-        })
-        .collect();
-    (!levels.is_empty()).then_some(levels)
-}
@@ -14,7 +14,6 @@
 //! - Agent → client ([`Dialect`]): `session/update`s are normalized ([`normalize`]) and
 //!   permission requests get the v1 `toolCall`.

-pub(crate) mod discover;
 mod normalize;

 use ide_jsonrpc::{Handler, Peer, RpcError, codes};
@@ -58,9 +57,6 @@ fn client_capabilities() -> Value {
        "terminal": false,
        // Subagents as sessions of their own (ACP subagents RFD; v2 baseline).
        "subagents": {},
-        // Cursor exposes model parameters (e.g. Composer `fast`) as separate config options
-        // only when the client advertises this flag (undocumented Cursor ACP extension).
-        "_meta": { "parameterizedModelPicker": true },
    })
 }

@@ -168,11 +164,6 @@ impl Negotiated {
        self.capabilities.pointer(&format!("/promptCapabilities/{name}")).and_then(Value::as_bool) == Some(true)
    }

-    /// `mcpCapabilities.<name>` (`http`, `sse`).
-    pub fn mcp(&self, name: &str) -> bool {
-        self.capabilities.pointer(&format!("/mcpCapabilities/{name}")).and_then(Value::as_bool) == Some(true)
-    }
-
    /// `sessionCapabilities.<name>` (`fork`, `resume`, `close`, `list`, `delete`).
    pub fn session(&self, name: &str) -> bool {
        self.capabilities.pointer(&format!("/sessionCapabilities/{name}")).is_some_and(|v| !v.is_null())
@@ -182,17 +173,6 @@ impl Negotiated {
    pub fn meta(&self, pointer: &str) -> Option<&Value> {
        self.capabilities.get("_meta")?.pointer(pointer)
    }
-
-    /// First authentication method the agent can run over ACP (`type` absent or `"agent"`).
-    pub fn agent_auth_method(&self) -> Option<&str> {
-        self.auth_methods.iter().find_map(|m| {
-            let kind = m.get("type").and_then(Value::as_str).unwrap_or("agent");
-            (kind == "agent" && m.pointer("/_meta/terminal-auth").is_none())
-                .then(|| m.get("id").and_then(Value::as_str))
-                .flatten()
-                .filter(|id| !id.is_empty())
-        })
-    }
 }

 /// The client side of one agent connection: wraps the task's [`Handler`] and, once
@@ -93,81 +93,9 @@ fn the_negotiating_request_carries_both_versions() {
    assert!(p["capabilities"].is_object());
    assert_eq!(p["clientCapabilities"]["subagents"], json!({}));
    assert_eq!(p["clientCapabilities"]["terminal"], false);
-    assert_eq!(
-        p["clientCapabilities"]["_meta"]["parameterizedModelPicker"], true,
-        "Cursor and similar agents need parameterized model options (e.g. fast on/off)"
-    );
    // What we sent in the capture is what claude-agent-acp negotiated v2 and v1 from.
-    let sent = frames(TURN, "out")[0]["params"]["clientCapabilities"].clone();
-    let mut expected = sent;
-    expected["_meta"] = p["clientCapabilities"]["_meta"].clone();
-    assert_eq!(expected, p["clientCapabilities"]);
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn discovery_reads_effort_and_fast_from_session_new_then_stops_the_agent() {
-    #[derive(Default)]
-    struct DiscoveryAgent {
-        peer: std::sync::OnceLock<Peer>,
-        calls: parking_lot::Mutex<Vec<(String, Value)>>,
-    }
-    impl Handler for DiscoveryAgent {
-        fn on_notification(&self, _: &str, _: Value) {}
-        fn on_request(&self, method: &str, params: Value) -> Result<Value, (i64, String)> {
-            self.calls.lock().push((method.to_owned(), params));
-            match method {
-                "initialize" => Ok(json!({
-                    "protocolVersion": 1,
-                    "agentCapabilities": { "loadSession": true }
-                })),
-                "session/new" => Ok(json!({
-                    "sessionId": "discover",
-                    "configOptions": [
-                        {"id": "model", "category": "model", "type": "select", "currentValue": "m1",
-                         "options": [{"value": "m1", "name": "One"}, {"value": "m2", "name": "Two"}]},
-                        {"id": "effort", "type": "select", "currentValue": "medium",
-                         "options": [{"value": "low"}, {"value": "medium"}, {"value": "high"}]},
-                        {"id": "fast", "type": "select", "currentValue": "false",
-                         "options": [{"value": "false", "name": "Off"}, {"value": "true", "name": "On"}]}
-                    ]
-                })),
-                _ => Ok(json!({})),
-            }
-        }
-    }
-    let agent = Arc::new(DiscoveryAgent::default());
-    let tmp = tempfile::tempdir().unwrap();
-    let agent_for_connector = agent.clone();
-    let connector: crate::Connector = Arc::new(move |_, _, client, _| {
-        let (ca, cb) = tokio::io::duplex(1 << 20);
-        let (car, caw) = tokio::io::split(ca);
-        let (cbr, cbw) = tokio::io::split(cb);
-        let agent_peer = Peer::connect_framed(cbr, cbw, agent_for_connector.clone(), Framing::Lines);
-        let _ = agent_for_connector.peer.set(agent_peer);
-        Ok(Peer::connect_framed(car, caw, client, Framing::Lines))
-    });
-    let mgr = crate::AgentManager::with_connector(
-        crate::AgentPaths {
-            project_root: tmp.path().to_path_buf(),
-            store_dir: tmp.path().join("store"),
-            worktrees_dir: tmp.path().join("worktrees"),
-            models_file: tmp.path().join("models.json"),
-            custom_agents_dir: None,
-            home_dir: None,
-        },
-        tokio::runtime::Handle::current(),
-        connector,
-    );
-    mgr.commands("cursor", None).await.unwrap();
-    let calls = agent.calls.lock();
-    assert_eq!(calls.iter().map(|(m, _)| m.as_str()).collect::<Vec<_>>(), ["initialize", "session/new"]);
-    assert_eq!(calls[1].1["mcpServers"], json!([]));
-    let cursor = mgr.providers().into_iter().find(|p| p.id == "cursor").unwrap();
-    let fast = cursor.config.iter().find(|o| o.id == "fast").expect("fast option");
-    assert_eq!(fast.category.as_deref(), Some("model_config"));
-    assert_eq!(fast.current.as_deref(), Some("false"));
-    assert!(cursor.thought_levels.contains_key("m1") && cursor.thought_levels.contains_key("m2"));
-    assert!(cursor.thought_levels["m1"].iter().any(|o| o.category.as_deref() == Some("thought_level")));
+    let sent = &frames(TURN, "out")[0]["params"];
+    assert_eq!(sent["clientCapabilities"], p["clientCapabilities"]);
 }

 #[test]
@@ -207,36 +135,6 @@ fn the_shape_decides_the_version_not_the_number() {
    assert_eq!((n.generation, n.load_session(), n.session("fork")), (2, false, false));
 }

-#[test]
-fn picks_non_terminal_agent_auth_method() {
-    let v1 = Negotiated::from_initialize(&json!({
-        "protocolVersion": 1,
-        "authMethods": [
-            { "id": "cli_login", "_meta": { "terminal-auth": { "command": "copilot", "args": ["login"] } } },
-            { "id": "terminal_login", "type": "terminal", "args": ["login"] },
-            { "id": "api_key", "type": "env_var" },
-            { "id": "github_oauth", "name": "GitHub OAuth" }
-        ]
-    }));
-    assert_eq!(v1.agent_auth_method(), Some("github_oauth"));
-
-    let v2 = Negotiated::from_initialize(&json!({
-        "protocolVersion": 2,
-        "info": { "name": "x", "version": "1" },
-        "authMethods": [
-            { "type": "terminal", "methodId": "cli", "name": "CLI", "args": ["login"] },
-            { "type": "agent", "methodId": "oauth", "name": "OAuth" }
-        ]
-    }));
-    assert_eq!(v2.agent_auth_method(), Some("oauth"));
-
-    let terminal_only = Negotiated::from_initialize(&json!({
-        "protocolVersion": 1,
-        "authMethods": [{ "id": "cli", "type": "terminal", "args": ["login"] }]
-    }));
-    assert_eq!(terminal_only.agent_auth_method(), None);
-}
-
 #[test]
 fn meta_and_auth_methods_pass_through() {
    // The native shims advertise their extensions in `agentCapabilities._meta`.
@@ -107,15 +107,7 @@ pub(crate) fn parse_options(options: &Value) -> Vec<AgentConfigOption> {
            Some(AgentConfigOption {
                name: str_of(o, "name").unwrap_or_else(|| id.clone()),
                description: str_of(o, "description"),
-                category: str_of(o, "category").or_else(|| {
-                    matches!(id.as_str(), "model" | "mode")
-                        .then(|| id.clone())
-                        .or_else(|| {
-                            matches!(id.as_str(), "effort" | "reasoning_effort" | "thinking" | "reasoning")
-                                .then(|| "thought_level".into())
-                        })
-                        .or_else(|| matches!(id.as_str(), "fast").then(|| "model_config".into()))
-                }),
+                category: str_of(o, "category").or_else(|| matches!(id.as_str(), "model" | "mode").then(|| id.clone())),
                current: str_of(o, "currentValue"),
                values,
                via: AgentConfigVia::Option,
@@ -341,21 +333,6 @@ mod tests {
        assert!(bypass_approvals(&url_mode));
    }

-    #[test]
-    fn effort_and_fast_categories_are_inferred_from_ids() {
-        let c = options_of(&json!({
-            "configOptions": [
-                {"id": "effort", "type": "select", "currentValue": "high",
-                 "options": [{"value": "low"}, {"value": "high"}]},
-                {"id": "fast", "type": "select", "currentValue": "false",
-                 "options": [{"value": "false", "name": "Off"}, {"value": "true", "name": "On"}]}
-            ]
-        }));
-        assert_eq!(c.len(), 2);
-        assert_eq!(c[0].category.as_deref(), Some("thought_level"));
-        assert_eq!(c[1].category.as_deref(), Some("model_config"));
-    }
-
    #[test]
    fn command_sources_in_updates_and_stored_tasks() {
        let update = json!({"availableCommands": [
@@ -1,325 +0,0 @@
-//! Sessions the user started outside OpenIDEA (a terminal, another editor, the CLI):
-//! scanned so they can be listed and imported as tasks instead of re-explained (#312).
-//!
-//! Only the native providers keep transcripts on disk in a readable form: Claude Code
-//! (`<config>/projects/*/<id>.jsonl`, see `native::claude::history`) and Codex
-//! (`<home>/.codex/sessions/**`, rollout files with a `session_meta` line).
-
-use super::native::claude::history;
-use serde::Serialize;
-use specta::Type;
-use std::io::BufRead;
-use std::path::{Path, PathBuf};
-
-/// A session on this machine that no task holds yet.
-#[derive(Clone, Debug, Serialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct ExternalSession {
-    /// The [`crate::AgentProvider`] id that owns it (`claude`, `codex`).
-    pub provider: String,
-    /// The id resuming it names (`--resume`, `thread/resume`).
-    pub session_id: String,
-    pub title: String,
-    /// Where it ran, when the transcript names one.
-    pub cwd: Option<String>,
-    /// File modification time, ms since the epoch.
-    pub updated_ms: f64,
-}
-
-/// Modification time of `path` in ms, else 0.
-fn mtime(path: &Path) -> f64 {
-    path.metadata()
-        .and_then(|m| m.modified())
-        .ok()
-        .and_then(|t| t.duration_since(std::time::UNIX_EPOCH).ok())
-        .map(|d| d.as_millis() as f64)
-        .unwrap_or(0.0)
-}
-
-/// Short display text: collapsed whitespace, truncated to `MAX_TITLE` chars.
-fn short(text: &str) -> String {
-    const MAX_TITLE: usize = 80;
-    let flat: String = text.split_whitespace().collect::<Vec<_>>().join(" ");
-    if flat.chars().count() <= MAX_TITLE {
-        flat
-    } else {
-        format!("{}…", flat.chars().take(MAX_TITLE - 1).collect::<String>())
-    }
-}
-
-/// The text of a Claude Code transcript entry's message, when it carries prose.
-fn message_text(e: &serde_json::Value) -> Option<String> {
-    match e.pointer("/message/content") {
-        Some(serde_json::Value::String(s)) => Some(s.clone()),
-        Some(serde_json::Value::Array(blocks)) => {
-            let text: Vec<&str> = blocks
-                .iter()
-                .filter(|b| b.get("type").and_then(serde_json::Value::as_str) == Some("text"))
-                .filter_map(|b| b.get("text").and_then(serde_json::Value::as_str))
-                .collect();
-            (!text.is_empty()).then(|| text.join("\n"))
-        }
-        _ => None,
-    }
-}
-
-/// Whether a session that ran in `cwd` belongs to the project at `root` (in it or below it).
-fn in_project(cwd: Option<&str>, root: &Path) -> bool {
-    cwd.is_some_and(|cwd| Path::new(cwd).starts_with(root))
-}
-
-/// Claude Code transcripts of the project at `root`: `<config>/projects/<escaped cwd>/<id>.jsonl`.
-/// Only the folders named after `root` or a folder below it are read, so other projects'
-/// transcripts (often gigabytes) are never opened.
-pub fn claude_sessions(config_dir: &Path, root: &Path) -> Vec<ExternalSession> {
-    let mut out = Vec::new();
-    let projects = config_dir.join("projects");
-    let escaped = history::escape(root);
-    let dirs: Vec<PathBuf> = std::fs::read_dir(&projects)
-        .into_iter()
-        .flatten()
-        .flatten()
-        .filter(|d| {
-            let name = d.file_name().to_string_lossy().into_owned();
-            name == escaped || name.starts_with(&format!("{escaped}-"))
-        })
-        .map(|d| d.path())
-        .collect();
-    for dir in dirs {
-        let files: Vec<PathBuf> = std::fs::read_dir(&dir)
-            .into_iter()
-            .flatten()
-            .flatten()
-            .map(|d| d.path())
-            .filter(|p| p.extension().is_some_and(|e| e == "jsonl"))
-            .collect();
-        for path in files {
-            let id = path.file_stem().and_then(|s| s.to_str()).unwrap_or_default().to_owned();
-            if id.is_empty() {
-                continue;
-            }
-            let entries = history::read(&path).unwrap_or_default();
-            if entries.is_empty() {
-                continue;
-            }
-            let title = history::title(&entries)
-                .or_else(|| entries.iter().filter(|e| history::is_turn_start(e)).filter_map(message_text).next())
-                .map(|t| short(&t))
-                .unwrap_or_else(|| format!("Claude Code session {}", &id[..id.len().min(8)]));
-            let cwd = entries
-                .iter()
-                .filter_map(|e| e.get("cwd").and_then(serde_json::Value::as_str))
-                .next()
-                .map(str::to_owned);
-            // Escaping is lossy (`a/b-c` and `a/b/c` share a folder): the transcript decides.
-            if !in_project(cwd.as_deref(), root) {
-                continue;
-            }
-            out.push(ExternalSession {
-                provider: "claude".to_owned(),
-                session_id: id,
-                title,
-                cwd,
-                updated_ms: mtime(&path),
-            });
-        }
-    }
-    out
-}
-
-/// The `session_meta` line of a Codex rollout file: `(id, cwd)`, across shapes.
-fn codex_meta(line: &serde_json::Value) -> Option<(String, Option<String>)> {
-    let payload =
-        line.get("payload").filter(|p| p.get("type").and_then(serde_json::Value::as_str) == Some("session_meta"));
-    let inner = payload.and_then(|p| p.get("payload")).or_else(|| {
-        line.get("type").and_then(serde_json::Value::as_str).filter(|t| *t == "session_meta").and(Some(line))
-    })?;
-    let id = inner.get("id").and_then(serde_json::Value::as_str)?.to_owned();
-    let cwd = inner.get("cwd").and_then(serde_json::Value::as_str).map(str::to_owned);
-    Some((id, cwd))
-}
-
-/// A prose line of a Codex rollout file (a user message), across shapes.
-fn codex_user_text(line: &serde_json::Value) -> Option<String> {
-    let payload = line.get("payload")?;
-    let ty = payload.get("type").and_then(serde_json::Value::as_str)?;
-    if !(ty == "user_message" || ty == "userMessage" || ty == "event_msg") {
-        return None;
-    }
-    let inner = payload.get("payload").unwrap_or(&serde_json::Value::Null);
-    for v in [payload, inner] {
-        if let Some(s) = v.get("message").and_then(serde_json::Value::as_str) {
-            return Some(s.to_owned());
-        }
-        if let Some(s) = v.get("text").and_then(serde_json::Value::as_str) {
-            return Some(s.to_owned());
-        }
-    }
-    None
-}
-
-/// One rollout file's session, or `None` when it names no `session_meta`.
-fn codex_file(path: &Path) -> Option<ExternalSession> {
-    let file = std::fs::File::open(path).ok()?;
-    let mut id: Option<(String, Option<String>)> = None;
-    let mut title: Option<String> = None;
-    // `session_meta` is first, but cap the scan: giant rollouts must not stall listing.
-    for line in std::io::BufReader::new(file).lines().take(400) {
-        let Ok(line) = line else { break };
-        let Ok(v) = serde_json::from_str::<serde_json::Value>(&line) else { continue };
-        if id.is_none()
-            && let Some(meta) = codex_meta(&v)
-        {
-            id = Some(meta);
-        }
-        if title.is_none()
-            && let Some(t) = codex_user_text(&v)
-        {
-            title = Some(short(&t));
-        }
-        if id.is_some() && title.is_some() {
-            break;
-        }
-    }
-    let (session_id, cwd) = id?;
-    Some(ExternalSession {
-        provider: "codex".to_owned(),
-        title: title.unwrap_or_else(|| format!("Codex session {}", &session_id[..session_id.len().min(8)])),
-        session_id,
-        cwd,
-        updated_ms: mtime(path),
-    })
-}
-
-/// Collects `*.jsonl` below `dir`, up to 4 levels (`sessions/YYYY/MM/DD/<rollout>`).
-fn rollout_files(dir: &Path, depth: usize, out: &mut Vec<PathBuf>) {
-    if depth == 0 {
-        return;
-    }
-    for entry in std::fs::read_dir(dir).into_iter().flatten().flatten() {
-        let path = entry.path();
-        if path.is_dir() {
-            rollout_files(&path, depth - 1, out);
-        } else if path.extension().is_some_and(|e| e == "jsonl") {
-            out.push(path);
-        }
-    }
-}
-
-/// Codex sessions of the project at `root`: `<home>/.codex/sessions/**`.
-pub fn codex_sessions(codex_home: &Path, root: &Path) -> Vec<ExternalSession> {
-    let mut files = Vec::new();
-    rollout_files(&codex_home.join("sessions"), 4, &mut files);
-    files.iter().filter_map(|p| codex_file(p)).filter(|s| in_project(s.cwd.as_deref(), root)).collect()
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use serde_json::json;
-    use std::io::Write;
-
-    fn write(path: &Path, lines: &[serde_json::Value]) {
-        std::fs::create_dir_all(path.parent().unwrap()).unwrap();
-        let mut f = std::fs::File::create(path).unwrap();
-        for line in lines {
-            writeln!(f, "{line}").unwrap();
-        }
-    }
-
-    fn claude_user(uuid: &str, text: &str) -> serde_json::Value {
-        json!({"type": "user", "uuid": uuid, "parentUuid": null,
-            "message": {"role": "user", "content": text}, "cwd": "/work/app"})
-    }
-
-    #[test]
-    fn lists_claude_transcripts_with_titles() {
-        let tmp = tempfile::tempdir().unwrap();
-        write(
-            &tmp.path().join("projects/-work-app/abc123.jsonl"),
-            &[
-                claude_user("u1", "fix the login bug"),
-                json!({"type": "assistant", "uuid": "a1", "parentUuid": "u1",
-                    "message": {"role": "assistant", "content": []}}),
-                json!({"type": "ai-title", "aiTitle": "Login fix"}),
-            ],
-        );
-        write(&tmp.path().join("projects/-work-app/empty.jsonl"), &[]);
-        let sessions = claude_sessions(tmp.path(), Path::new("/work/app"));
-        assert_eq!(sessions.len(), 1);
-        let s = &sessions[0];
-        assert_eq!((s.provider.as_str(), s.session_id.as_str()), ("claude", "abc123"));
-        assert_eq!(s.title, "Login fix");
-        assert_eq!(s.cwd.as_deref(), Some("/work/app"));
-        assert!(s.updated_ms > 0.0);
-    }
-
-    #[test]
-    fn claude_title_falls_back_to_the_first_prompt() {
-        let tmp = tempfile::tempdir().unwrap();
-        write(&tmp.path().join("projects/-work-app/def456.jsonl"), &[claude_user("u1", "hello there")]);
-        let sessions = claude_sessions(tmp.path(), Path::new("/work/app"));
-        assert_eq!(sessions.len(), 1);
-        assert_eq!(sessions[0].title, "hello there");
-    }
-
-    #[test]
-    fn lists_codex_rollouts_with_meta() {
-        let tmp = tempfile::tempdir().unwrap();
-        write(
-            &tmp.path().join("sessions/2026/01/02/rollout-01.jsonl"),
-            &[
-                json!({"timestamp": "t", "payload": {"type": "session_meta",
-                    "payload": {"id": "thread-1", "cwd": "/work/app"}}}),
-                json!({"timestamp": "t", "payload": {"type": "user_message",
-                    "payload": {"message": "add tests"}}}),
-            ],
-        );
-        write(&tmp.path().join("sessions/notes.jsonl"), &[json!({"nope": true})]);
-        let sessions = codex_sessions(tmp.path(), Path::new("/work"));
-        assert_eq!(sessions.len(), 1);
-        let s = &sessions[0];
-        assert_eq!((s.provider.as_str(), s.session_id.as_str()), ("codex", "thread-1"));
-        assert_eq!(s.title, "add tests");
-        assert_eq!(s.cwd.as_deref(), Some("/work/app"));
-    }
-
-    #[test]
-    fn missing_directories_list_nothing() {
-        let tmp = tempfile::tempdir().unwrap();
-        assert!(claude_sessions(&tmp.path().join("nope"), Path::new("/work")).is_empty());
-        assert!(codex_sessions(&tmp.path().join("nope"), Path::new("/work")).is_empty());
-    }
-
-    #[test]
-    fn only_sessions_of_the_project_are_listed() {
-        let tmp = tempfile::tempdir().unwrap();
-        let user = |cwd: &str| {
-            json!({"type": "user", "uuid": "u1", "parentUuid": null,
-                "message": {"role": "user", "content": "hi"}, "cwd": cwd})
-        };
-        write(&tmp.path().join("projects/-work-app/in-root.jsonl"), &[user("/work/app")]);
-        write(&tmp.path().join("projects/-work-app-web/below.jsonl"), &[user("/work/app/web")]);
-        // `/work/app-old` escapes like a folder below `/work/app`; its transcript says otherwise.
-        write(&tmp.path().join("projects/-work-app-old/sibling.jsonl"), &[user("/work/app-old")]);
-        write(&tmp.path().join("projects/-other/elsewhere.jsonl"), &[user("/other")]);
-        let mut ids: Vec<String> =
-            claude_sessions(tmp.path(), Path::new("/work/app")).into_iter().map(|s| s.session_id).collect();
-        ids.sort();
-        assert_eq!(ids, ["below", "in-root"]);
-
-        let rollout = |name: &str, cwd: &str| {
-            write(
-                &tmp.path().join(format!("codex/sessions/2026/01/02/{name}.jsonl")),
-                &[json!({"payload": {"type": "session_meta", "payload": {"id": name, "cwd": cwd}}})],
-            )
-        };
-        rollout("mine", "/work/app/api");
-        rollout("theirs", "/other");
-        let codex: Vec<String> = codex_sessions(&tmp.path().join("codex"), Path::new("/work/app"))
-            .into_iter()
-            .map(|s| s.session_id)
-            .collect();
-        assert_eq!(codex, ["mine"]);
-    }
-}
@@ -10,18 +10,14 @@
 mod acp;
 mod config;
 mod conversation;
-mod external;
-pub mod mcp;
 mod model;
 mod native;
 mod provider;
 pub mod registry;
-pub mod security;
 mod skills;
 mod timeline;
 mod worktree;

-pub use external::ExternalSession;
 pub use model::*;

 use conversation::{Conversation, SavedSubagent, Session};
@@ -40,9 +36,6 @@ use std::time::Duration;
 /// Receives the events of one project's tasks.
 pub type AgentSink = Arc<dyn Fn(AgentEvent) + Send + Sync>;

-/// Returns the active command execution security policy for the project.
-pub type SecurityHook = Arc<dyn Fn() -> ide_core::settings::AgentSecuritySettings + Send + Sync>;
-
 /// Entry changes are batched for this long before they are sent.
 const FLUSH_DELAY: Duration = Duration::from_millis(40);
 /// Updates that arrive this late after `session/load` returns are still replayed history.
@@ -98,15 +91,11 @@ type Connector = Arc<
        + Sync,
 >;

-/// Returns the configured MCP servers (User and Workspace) for this project.
-pub type McpServersFn = dyn Fn() -> Vec<McpServer> + Send + Sync;
-
 struct Shared {
    paths: AgentPaths,
    runtime: tokio::runtime::Handle,
    connector: Connector,
    sink: RwLock<Option<AgentSink>>,
-    security: RwLock<Option<SecurityHook>>,
    known: Mutex<HashMap<String, Known>>,
    providers: RwLock<Vec<provider::ProviderSpec>>,
    /// Last probe of each provider.
@@ -115,7 +104,6 @@ struct Shared {
    command_fetches: Mutex<HashMap<String, tokio::sync::watch::Receiver<bool>>>,
    /// [`IDLE_RELEASE`], in milliseconds (shorter in tests).
    idle_release_ms: AtomicU64,
-    mcp_servers_hook: RwLock<Option<Arc<McpServersFn>>>,
 }

 /// What an agent offered in its last session, for the New Task page.
@@ -143,13 +131,6 @@ impl Shared {
        }
    }

-    fn mcp_servers_for_session(&self, provider: &str, init: &acp::Negotiated) -> Vec<Value> {
-        let mut servers = mcp_servers_for(init.mcp_stdio(), &self.paths.project_root);
-        let configured = self.mcp_servers_hook.read().as_ref().map(|hook| hook()).unwrap_or_default();
-        servers.extend(mcp::acp_mcp_servers(&configured, provider, init));
-        servers
-    }
-
    fn known_config(&self, provider: &str) -> Vec<AgentConfigOption> {
        let mut config = self.known.lock().get(provider).map(|k| k.config.clone()).unwrap_or_default();
        // Model-specific options are offered separately, never as provider-wide defaults.
@@ -182,35 +163,16 @@ impl Shared {
                    let shared = self.clone();
                    // Keep the lookup alive if a composer unmounts while it is waiting.
                    self.runtime.spawn(async move {
-                        tracing::info!("agent {}: settings discovery started", spec.id);
-                        let discovered = if spec.driver == provider::Driver::Acp {
-                            acp::discover::run(&shared, &spec).await.map(|_| None)
-                        } else if spec.driver == provider::Driver::Claude {
-                            native::claude::discover(spec.clone(), shared.paths.project_root.clone()).await.map(Some)
-                        } else {
-                            return;
-                        };
-                        if let Ok(Some(found)) = discovered {
-                            let commands =
-                                config::commands_of(&json!({ "availableCommands": found.commands }), &spec.id);
-                            let options = config::options_of(&json!({ "configOptions": found.options }));
-                            let levels: Vec<_> = found
-                                .efforts
-                                .into_iter()
-                                .map(|(model, o)| {
-                                    let options = o.map(|o| config::options_of(&json!({ "configOptions": [o] })));
-                                    (model, options.unwrap_or_default())
-                                })
-                                .collect();
+                        if let Ok((commands, options)) =
+                            native::claude::discover(spec.clone(), shared.paths.project_root.clone()).await
+                        {
+                            let commands = config::commands_of(&json!({ "availableCommands": commands }), &spec.id);
+                            let options = config::options_of(&json!({ "configOptions": options }));
                            let _ = tokio::task::spawn_blocking(move || {
-                                // Notifies subscribers itself when the discovery
-                                // changed the cached config; unchanged results
-                                // stay silent.
-                                shared.remember_discovered(&spec.id, &options, &commands, &levels);
+                                shared.remember_discovered(&spec.id, &options, &commands);
+                                shared.emit(AgentEvent::Providers);
                            })
                            .await;
-                        } else if let Err(e) = discovered {
-                            tracing::info!("agent {}: settings discovery failed: {e}", spec.id);
                        }
                        let _ = done.send(true);
                    });
@@ -229,23 +191,6 @@ impl Shared {
        self.known.lock().get(provider).is_some_and(|k| !k.config.is_empty())
    }

-    /// Whether the thinking levels of every model the agent offers are known (#1686).
-    fn knows_all_levels(&self, provider: &str) -> bool {
-        let cache = self.known.lock();
-        let Some(known) = cache.get(provider) else { return false };
-        let models: Vec<&str> = known
-            .config
-            .iter()
-            .filter(|o| o.category.as_deref() == Some("model"))
-            .flat_map(|o| o.values.iter().map(|v| v.value.as_str()))
-            .collect();
-        // No advertised models yet: nothing to attach effort levels to.
-        if models.is_empty() {
-            return false;
-        }
-        models.iter().all(|id| known.thought_levels.contains_key(*id))
-    }
-
    fn root_key(&self) -> String {
        self.paths.project_root.to_string_lossy().into_owned()
    }
@@ -258,19 +203,11 @@ impl Shared {
        commands: Option<&[AgentCommand]>,
        model: Option<&str>,
    ) {
-        self.remember_inner(provider, config, commands, model, &[], false);
+        self.remember_inner(provider, config, commands, model, false);
    }

-    /// `levels`: each model's thinking-level options, so a new task offers them for any model
-    /// it picks (#1686). A session's report for a model wins over these.
-    fn remember_discovered(
-        &self,
-        provider: &str,
-        config: &[AgentConfigOption],
-        commands: &[AgentCommand],
-        levels: &[(String, Vec<AgentConfigOption>)],
-    ) {
-        self.remember_inner(provider, Some(config), Some(commands), model_of(config).as_deref(), levels, true);
+    fn remember_discovered(&self, provider: &str, config: &[AgentConfigOption], commands: &[AgentCommand]) {
+        self.remember_inner(provider, Some(config), Some(commands), model_of(config).as_deref(), true);
    }

    fn remember_inner(
@@ -279,19 +216,12 @@ impl Shared {
        config: Option<&[AgentConfigOption]>,
        commands: Option<&[AgentCommand]>,
        model: Option<&str>,
-        discovered_levels: &[(String, Vec<AgentConfigOption>)],
        discovered: bool,
    ) {
        // Keep the update and its disk write ordered; a session report wins over discovery.
        let mut cache = self.known.lock();
        let known = cache.entry(provider.to_owned()).or_default();
        let mut changed = false;
-        for (model, levels) in discovered_levels {
-            if !known.thought_levels.contains_key(model) {
-                known.thought_levels.insert(model.clone(), levels.clone());
-                changed = true;
-            }
-        }
        if let Some(c) = config.filter(|_| !discovered || known.config.is_empty()) {
            if let Some(model) = model {
                let levels: Vec<_> =
@@ -323,13 +253,6 @@ impl Shared {
        {
            tracing::warn!("saving agent settings: {e}");
        }
-        // The cached provider config actually changed (a session report, discovery,
-        // or a turn update): tell subscribers to re-list, so a changed model list
-        // reaches the composer without waiting for the next task (#1490). Unchanged
-        // reports stay silent, so routine session traffic emits nothing. The cache
-        // lock is released first; the sink never runs under it.
-        drop(cache);
-        self.emit(AgentEvent::Providers);
    }
 }

@@ -345,9 +268,6 @@ struct TaskFile {
    /// In the project's own checkout: files already changed when the task started.
    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
    before: BTreeMap<String, worktree::Stamp>,
-    /// The folder (in the task store) with copies of the `before` files, for rolling back.
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    saved: Option<String>,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    subagents: Vec<SavedSubagent>,
    /// Turns to drop from the session once it is loaded (a fork of an earlier point).
@@ -364,7 +284,6 @@ struct TaskState {
    conversation: Conversation,
    wanted: Vec<AgentConfigChoice>,
    before: Arc<BTreeMap<String, worktree::Stamp>>,
-    saved: Option<String>,
    pending_rollback: u32,
    /// The user named the task; see `TaskFile::title_renamed`.
    title_renamed: bool,
@@ -387,7 +306,7 @@ struct Live {
    embedded: bool,
    /// `session/load`: the process can be stopped between turns and the session reloaded.
    resumable: bool,
-    init: acp::Negotiated,
+    mcp_stdio: bool,
 }

 struct Task {
@@ -417,8 +336,6 @@ struct Task {
    /// Settings already sent this session (`(option, value)`), so a refusal is not retried.
    config_sent: Mutex<HashSet<(String, String)>>,
    dirty: Mutex<BTreeSet<(Session, usize)>>,
-    /// How much of each session's streaming message was last sent, so the next flush sends the rest.
-    streamed: Mutex<HashMap<Session, Sent>>,
    flush_scheduled: AtomicBool,
    stderr: Mutex<VecDeque<String>>,
    /// Set by `delete`; held while saving.
@@ -452,13 +369,11 @@ impl AgentManager {
            runtime,
            connector,
            sink: RwLock::new(None),
-            security: RwLock::new(None),
            known: Mutex::new(known),
            providers,
            probes: Mutex::new(HashMap::new()),
            command_fetches: Mutex::new(HashMap::new()),
            idle_release_ms: AtomicU64::new(IDLE_RELEASE.as_millis() as u64),
-            mcp_servers_hook: RwLock::new(None),
        });
        let mut tasks = HashMap::new();
        for file in std::fs::read_dir(&shared.paths.store_dir).into_iter().flatten().flatten() {
@@ -496,19 +411,11 @@ impl AgentManager {
        tasks
    }

-    /// Sets the callback used to read the active command execution security policy.
-    pub fn set_security_hook(&self, hook: SecurityHook) {
-        *self.shared.security.write() = Some(hook);
-    }
-
    /// The agents (custom ones re-read), whether each is installed, and what they offered last time.
    pub fn providers(&self) -> Vec<AgentProvider> {
        let specs = provider::load(self.shared.paths.custom_agents_dir.as_deref());
-        let in_use: std::collections::HashSet<String> =
-            self.tasks.read().values().map(|t| t.state.lock().task.provider.clone()).collect();
        let list = specs
            .iter()
-            .filter(|p| !provider::is_unlisted(p) || in_use.contains(&p.id))
            .map(|p| {
                let mut info = provider::describe(p);
                info.config = self.shared.known_config(&p.id);
@@ -525,9 +432,7 @@ impl AgentManager {
            let new = specs.iter().find(|p| &p.id == id);
            matches!((old, new), (Some(a), Some(b)) if a.command == b.command && a.args == b.args && a.env == b.env)
        });
-        *prev = specs.clone();
-        drop(probes);
-        drop(prev);
+        *prev = specs;
        list
    }

@@ -548,30 +453,6 @@ impl AgentManager {
        provider::set_builtin_env(&dir, id, env)
    }

-    /// Saves a new custom ACP agent through its agent file.
-    pub fn save_custom_agent(&self, input: CustomAgentInput) -> IdeResult<()> {
-        let Some(dir) = self.shared.paths.custom_agents_dir.clone() else {
-            return Err(IdeError::unavailable("there is no custom agents directory"));
-        };
-        provider::save_custom(&dir, &input)
-    }
-
-    /// Removes a custom agent's file (registry installs go through `registry_remove`).
-    pub fn remove_custom_agent(&self, id: &str) -> IdeResult<()> {
-        let Some(dir) = self.shared.paths.custom_agents_dir.clone() else {
-            return Err(IdeError::unavailable("there is no custom agents directory"));
-        };
-        provider::remove_custom(&dir, id)
-    }
-
-    /// Imports a JetBrains `acp.json` file's `agent_servers` entries as custom agents.
-    pub fn import_acp_agents(&self, text: &str) -> IdeResult<Vec<AcpImportOutcome>> {
-        let Some(dir) = self.shared.paths.custom_agents_dir.clone() else {
-            return Err(IdeError::unavailable("there is no custom agents directory"));
-        };
-        provider::import_acp(&dir, text)
-    }
-
    /// Re-reads configured/installed agents, drops cached probes, and notifies subscribers.
    pub fn reload_providers(&self) {
        let specs = provider::load(self.shared.paths.custom_agents_dir.as_deref());
@@ -580,11 +461,6 @@ impl AgentManager {
        self.shared.emit(AgentEvent::Providers);
    }

-    /// Provides the user and workspace MCP servers configured in settings.
-    pub fn set_mcp_servers_hook(&self, hook: Box<McpServersFn>) {
-        *self.shared.mcp_servers_hook.write() = Some(Arc::from(hook));
-    }
-
    /// The slash commands to complete for `provider`, in `task`'s directory or (without one)
    /// in the project: what the agent offered last time there, unadvertised builtins,
    /// and, for Claude Code, skills and custom commands on disk it has not listed.
@@ -601,17 +477,11 @@ impl AgentManager {
        // merged without duplicating what `availableCommands` or the disk offer.
        let mut offered = offered;
        if task.is_none()
-            && (offered.is_empty() || !self.shared.has_config(&provider) || !self.shared.knows_all_levels(&provider))
-            && let Some(spec) = self
-                .shared
-                .spec(&provider)
-                .filter(|s| matches!(s.driver, provider::Driver::Claude | provider::Driver::Acp))
+            && (offered.is_empty() || !self.shared.has_config(&provider))
+            && let Some(spec) = self.shared.spec(&provider).filter(|s| s.driver == provider::Driver::Claude)
        {
-            let claude = spec.driver == provider::Driver::Claude;
            self.shared.fetch_settings(spec).await;
-            if claude {
-                offered = self.shared.known_commands(&provider);
-            }
+            offered = self.shared.known_commands(&provider);
        }
        for &(name, description) in builtin_commands(&provider) {
            if !offered.iter().any(|c| c.name == name) {
@@ -643,93 +513,6 @@ impl AgentManager {
        Ok(timeline.entries.clone())
    }

-    /// Session ids the tasks already hold (native drivers reuse the CLI's own id).
-    fn imported_session_ids(&self) -> HashSet<String> {
-        self.tasks.read().values().filter_map(|t| t.state.lock().session_id.clone()).collect()
-    }
-
-    /// Sessions of this project on this machine that no task holds yet, newest first. Reads
-    /// transcripts from disk: call it off the UI and command threads.
-    pub fn external_sessions(&self) -> Vec<ExternalSession> {
-        let mut out = Vec::new();
-        let root = self.shared.paths.project_root.clone();
-        if let Some(spec) = self.shared.spec("claude")
-            && let Some(dir) = native::claude::cli::config_dir(&spec.env)
-        {
-            out.extend(external::claude_sessions(&dir, &root));
-        }
-        let home = self.shared.paths.home_dir.clone().or_else(home_dir);
-        if let Some(home) = home {
-            out.extend(external::codex_sessions(&home.join(".codex"), &root));
-        }
-        let known = self.imported_session_ids();
-        out.retain(|s| !known.contains(&s.session_id));
-        out.sort_by(|a, b| b.updated_ms.total_cmp(&a.updated_ms));
-        out.truncate(50);
-        out
-    }
-
-    /// Imports an external session as a task: its first turn loads and replays it (#312).
-    pub fn import_session(&self, provider: &str, session_id: &str) -> IdeResult<AgentTask> {
-        if !matches!(provider, "claude" | "codex") {
-            return Err(IdeError::invalid(format!("cannot import {provider} sessions")));
-        }
-        let spec = self.shared.spec(provider).ok_or_else(|| IdeError::invalid(format!("unknown agent {provider}")))?;
-        if self.imported_session_ids().contains(session_id) {
-            return Err(IdeError::invalid("that session is already a task"));
-        }
-        let found = self
-            .external_sessions()
-            .into_iter()
-            .find(|s| s.provider == provider && s.session_id == session_id)
-            .ok_or_else(|| IdeError::not_found(format!("unknown {provider} session {session_id}")))?;
-        let root = self.shared.paths.project_root.clone();
-        let cwd = found.cwd.map(PathBuf::from).filter(|p| p.is_absolute()).unwrap_or_else(|| root.clone());
-        let config = self.shared.known_config(&spec.id);
-        let now = now_ms();
-        let id = uuid::Uuid::new_v4().simple().to_string();
-        let task = AgentTask {
-            project_root: Some(IpcPath(root)),
-            id,
-            title: found.title,
-            provider: spec.id.clone(),
-            model: model_of(&config),
-            status: AgentStatus::Ready,
-            isolation: Isolation::Local,
-            cwd: IpcPath(cwd),
-            branch: None,
-            base: None,
-            base_commit: None,
-            error: None,
-            created_ms: now,
-            updated_ms: now,
-            config,
-            commands: self.shared.known_commands(&spec.id),
-            usage: None,
-            queue: Vec::new(),
-            capabilities: self.shared.probes.lock().get(&spec.id).map(|p| p.capabilities).unwrap_or_default(),
-            resets_ms: None,
-            retry: None,
-            background: Box::default(),
-        };
-        let file = TaskFile {
-            task: task.clone(),
-            session_id: Some(session_id.to_owned()),
-            entries: Vec::new(),
-            wanted: Vec::new(),
-            before: BTreeMap::new(),
-            saved: None,
-            subagents: Vec::new(),
-            pending_rollback: 0,
-            title_renamed: true,
-        };
-        let handle = Task::restore(file, self.shared.clone());
-        self.tasks.write().insert(task.id.clone(), handle.clone());
-        handle.emit_task();
-        handle.persist();
-        Ok(task)
-    }
-
    /// Creates the task (and its worktree) and sends `req.prompt` as its first message.
    pub async fn create(&self, req: NewAgentTask) -> IdeResult<AgentTask> {
        let spec = self
@@ -782,24 +565,9 @@ impl AgentManager {
            }));
        }
        let now = now_ms();
-        let id = uuid::Uuid::new_v4().simple().to_string();
-        // Copies of the files the user had changed already, for rolling back the task's changes to them.
-        let saved = if before.is_empty() {
-            None
-        } else {
-            let name = format!("{id}.before");
-            let (dir, at, files) = (self.shared.paths.store_dir.join(&name), cwd.clone(), before.clone());
-            match blocking(move || worktree::save_before(&at, &files, &dir)).await {
-                Ok(saved) => saved.then_some(name),
-                Err(e) => {
-                    tracing::warn!("saving the changed files of agent task {id}: {e}");
-                    None
-                }
-            }
-        };
        let task = AgentTask {
            project_root,
-            id,
+            id: uuid::Uuid::new_v4().simple().to_string(),
            title,
            provider: spec.id.clone(),
            model: model_of(&config),
@@ -827,7 +595,6 @@ impl AgentManager {
            entries: Vec::new(),
            wanted: req.config,
            before,
-            saved,
            subagents: Vec::new(),
            pending_rollback: 0,
            title_renamed: false,
@@ -944,38 +711,14 @@ impl AgentManager {
            }
            o.clone()
        };
-        let previous = target.current.clone();
-        // Cursor's `session/set_config_option` (Fast, effort) can take seconds. Show the
-        // choice first so the switch and slider move immediately.
-        apply_config_choice(&task, option, &value);
-        task.persist();
-        task.emit_task();
-
        let live = task.live.lock().clone().filter(|l| !l.peer.is_closed());
        let mut model_options =
-            target.category.as_deref() != Some("model") || previous.as_deref() == Some(value.as_str());
+            target.category.as_deref() != Some("model") || target.current.as_deref() == Some(value.as_str());
        if let Some(live) = live.filter(|_| option != config::CURSOR_APPROVAL) {
            let (method, mut params) = config::set_request(&target, &value);
            params["sessionId"] = json!(live.session);
-            let reply: Value = match live.peer.request(method, params, None).await {
-                Ok(reply) => reply,
-                Err(e) => {
-                    {
-                        let mut s = task.state.lock();
-                        s.wanted.retain(|c| c.id != option);
-                        if let Some(prev) = previous.clone() {
-                            s.wanted.push(AgentConfigChoice { id: option.to_owned(), value: prev });
-                        }
-                        if let Some(o) = s.task.config.iter_mut().find(|o| o.id == option) {
-                            o.current = previous.clone();
-                        }
-                        s.task.model = model_of(&s.task.config).or(s.task.model.take());
-                    }
-                    task.persist();
-                    task.emit_task();
-                    return Err(IdeError::internal(task.describe(e)));
-                }
-            };
+            let reply: Value =
+                live.peer.request(method, params, None).await.map_err(|e| IdeError::internal(task.describe(e)))?;
            if let Some(options) = reply.get("configOptions") {
                config::merge_update(&mut task.state.lock().task.config, options);
                model_options = true;
@@ -986,6 +729,8 @@ impl AgentManager {
            if !model_options {
                s.task.config.retain(|o| o.category.as_deref() != Some("thought_level"));
            }
+            s.wanted.retain(|c| c.id != option);
+            s.wanted.push(AgentConfigChoice { id: option.to_owned(), value: value.clone() });
            if let Some(o) = s.task.config.iter_mut().find(|o| o.id == option) {
                o.current = Some(value);
            }
@@ -1017,16 +762,10 @@ impl AgentManager {
            return Err(IdeError::invalid("this agent can't copy a conversation from there"));
        }
        let cwd = source.state.lock().task.cwd.0.clone();
-        let provider_id = source.state.lock().task.provider.clone();
-        let mcp_servers = source.shared.mcp_servers_for_session(&provider_id, &live.init);
        let cwd_s = dunce::canonicalize(&cwd).unwrap_or(cwd).to_string_lossy().into_owned();
        let reply: Value = live
            .peer
-            .request(
-                "session/fork",
-                json!({ "sessionId": live.session, "cwd": cwd_s, "mcpServers": mcp_servers }),
-                None,
-            )
+            .request("session/fork", json!({ "sessionId": live.session, "cwd": cwd_s, "mcpServers": mcp_servers_for(live.mcp_stdio, &source.shared.paths.project_root) }), None)
            .await
            .map_err(|e| IdeError::internal(source.describe(e)))?;
        let session = reply
@@ -1060,7 +799,6 @@ impl AgentManager {
                entries,
                wanted: s.wanted.clone(),
                before: (*s.before).clone(),
-                saved: s.saved.clone(),
                subagents: s.conversation.saved_subagents(),
                pending_rollback: total - keep,
                title_renamed: s.title_renamed,
@@ -1105,7 +843,6 @@ impl AgentManager {
                s.task.updated_ms = now_ms();
                first
            };
-            task.streamed.lock().clear();
            task.persist();
            self.shared.emit(AgentEvent::Truncated { task: id.to_owned(), length: 0 });
            task.emit_task();
@@ -1131,7 +868,6 @@ impl AgentManager {
            s.task.updated_ms = now_ms();
            first
        };
-        task.streamed.lock().clear();
        task.persist();
        self.shared.emit(AgentEvent::Truncated { task: id.to_owned(), length: cut as u32 });
        task.emit_task();
@@ -1312,17 +1048,6 @@ impl AgentManager {
        };
        // A copy of the task (a fork) may work in the same worktree.
        let shared = self.tasks.read().values().any(|t| t.id != id && t.state.lock().task.cwd.0 == cwd);
-        self.tasks.write().remove(id);
-        *task.deleted.lock() = true;
-        let _ = std::fs::remove_file(self.shared.paths.store_dir.join(format!("{id}.json")));
-        let saved = task.state.lock().saved.clone();
-        if let Some(saved) = saved
-            && !self.tasks.read().values().any(|t| t.state.lock().saved.as_ref() == Some(&saved))
-        {
-            let _ = std::fs::remove_dir_all(self.shared.paths.store_dir.join(saved));
-        }
-        // The list drops the task now; removing a large worktree's folder can take a while.
-        self.shared.emit(AgentEvent::Removed { id: id.to_owned() });
        if remove_worktree && !shared && isolation == Isolation::Worktree && cwd.exists() {
            // On Windows the agent's processes lock the folder (their working directory,
            // open files) until they have exited.
@@ -1332,6 +1057,10 @@ impl AgentManager {
            let worktrees = self.shared.paths.worktrees_dir.clone();
            blocking(move || worktree::remove(&root, &worktrees, &cwd)).await?;
        }
+        self.tasks.write().remove(id);
+        *task.deleted.lock() = true;
+        let _ = std::fs::remove_file(self.shared.paths.store_dir.join(format!("{id}.json")));
+        self.shared.emit(AgentEvent::Removed { id: id.to_owned() });
        Ok(())
    }

@@ -1349,76 +1078,6 @@ impl AgentManager {
        blocking(move || worktree::file_at(&cwd, &path, &base)).await
    }

-    /// Rollback: puts the task's changed files among `rel_paths` (all with `None`) back as they
-    /// were when it started (files the user had changed then, as the user left them).
-    pub async fn rollback_changes(&self, id: &str, rel_paths: Option<Vec<String>>) -> IdeResult<()> {
-        let task = self.task(id)?;
-        if task.state.lock().busy {
-            return Err(IdeError::invalid("the agent is working: stop it before rolling back its changes"));
-        }
-        let (cwd, base) = task.cwd_and_base();
-        let (before, saved) = {
-            let s = task.state.lock();
-            (s.before.clone(), s.saved.as_ref().map(|name| self.shared.paths.store_dir.join(name)))
-        };
-        let restamped = blocking(move || {
-            let changes = worktree::without_untouched(worktree::changes(&cwd, &base)?, &before);
-            let mut restamped = Vec::new();
-            for change in changes.iter().filter(|c| rel_paths.as_ref().is_none_or(|p| p.contains(&c.rel_path))) {
-                worktree::restore(&cwd, &base, change, &before, saved.as_deref())?;
-                // Back to the user's own edits: not a change of the task any more.
-                if before.contains_key(&change.rel_path) {
-                    restamped.push((change.rel_path.clone(), worktree::stamp(&change.path.0)));
-                }
-            }
-            Ok(restamped)
-        })
-        .await?;
-        if !restamped.is_empty() {
-            let mut s = task.state.lock();
-            let mut before = (*s.before).clone();
-            before.extend(restamped);
-            s.before = Arc::new(before);
-        }
-        task.persist();
-        Ok(())
-    }
-
-    /// Accept: copies the task's changed files among `rel_paths` (all with `None`) from its
-    /// worktree into the local checkout, uncommitted, for the user to review and commit.
-    /// Files the checkout changed itself are left alone and reported. Only worktree tasks
-    /// have anything to accept.
-    pub async fn accept_changes(&self, id: &str, rel_paths: Option<Vec<String>>) -> IdeResult<AgentAcceptOutcome> {
-        let task = self.task(id)?;
-        if task.state.lock().busy {
-            return Err(IdeError::invalid("the agent is working: stop it before accepting its changes"));
-        }
-        let (isolation, cwd, base, root, before) = {
-            let s = task.state.lock();
-            (
-                s.task.isolation,
-                s.task.cwd.0.clone(),
-                s.task.base_commit.clone(),
-                s.task.project_root.clone().map(|p| p.0).unwrap_or_else(|| self.shared.paths.project_root.clone()),
-                (*s.before).clone(),
-            )
-        };
-        if isolation != Isolation::Worktree {
-            return Err(IdeError::invalid("the task works in the local checkout: there is nothing to accept"));
-        }
-        let Some(base) = base else {
-            return Err(IdeError::invalid("the task has no base revision to accept from"));
-        };
-        blocking(move || {
-            let wanted: Vec<AgentChange> = worktree::without_untouched(worktree::changes(&cwd, &base)?, &before)
-                .into_iter()
-                .filter(|c| rel_paths.as_ref().is_none_or(|p| p.contains(&c.rel_path)))
-                .collect();
-            worktree::accept(&root, &cwd, &base, &wanted)
-        })
-        .await
-    }
-
    /// Stops every agent (project closed).
    pub fn shutdown(&self) {
        for task in self.tasks.read().values() {
@@ -1444,7 +1103,6 @@ impl Task {
                conversation,
                wanted: file.wanted,
                before: Arc::new(file.before),
-                saved: file.saved,
                pending_rollback: file.pending_rollback,
                title_renamed: file.title_renamed,
                busy: false,
@@ -1462,7 +1120,6 @@ impl Task {
            idle_epoch: AtomicU64::new(0),
            config_sent: Mutex::new(HashSet::new()),
            dirty: Mutex::new(BTreeSet::new()),
-            streamed: Mutex::new(HashMap::new()),
            flush_scheduled: AtomicBool::new(false),
            stderr: Mutex::new(VecDeque::new()),
            deleted: Mutex::new(false),
@@ -1557,7 +1214,6 @@ impl Task {
                entries: s.conversation.main.entries.clone(),
                wanted: s.wanted.clone(),
                before: (*s.before).clone(),
-                saved: s.saved.clone(),
                subagents: s.conversation.saved_subagents(),
                pending_rollback: s.pending_rollback,
                title_renamed: s.title_renamed,
@@ -1585,12 +1241,11 @@ impl Task {
        let indices = std::mem::take(&mut *self.dirty.lock());
        let events: Vec<AgentEvent> = {
            let s = self.state.lock();
-            let mut streamed = self.streamed.lock();
            indices
                .into_iter()
                .filter_map(|(subagent, i)| {
-                    let entry = s.conversation.timeline(&subagent)?.entries.get(i)?;
-                    Some(entry_event(&self.id, &mut streamed, subagent, i, entry))
+                    let entry = s.conversation.timeline(&subagent)?.entries.get(i)?.clone();
+                    Some(AgentEvent::Entry { task: self.id.clone(), subagent, index: i as u32, entry })
                })
                .collect()
        };
@@ -1826,30 +1481,6 @@ impl Task {
        })
    }

-    /// Runs `method` and, on an auth error, tries the agent's own ACP `authenticate` once before retrying.
-    async fn request_with_auth(
-        &self,
-        peer: &acp::Conn,
-        init: &acp::Negotiated,
-        tried_auth: &mut bool,
-        method: &str,
-        params: Value,
-    ) -> Result<Value, RpcError> {
-        let first = peer.request(method, params.clone(), None).await;
-        if !*tried_auth
-            && let Err(RpcError::Server { code, ref message, .. }) = first
-            && acp::auth_required(code, message)
-            && let Some(method_id) = init.agent_auth_method()
-        {
-            *tried_auth = true;
-            match peer.request::<_, Value>("authenticate", json!({ "methodId": method_id }), None).await {
-                Ok(_) => return peer.request(method, params, None).await,
-                Err(e) => tracing::debug!(task = %self.id, method_id, error = %e, "agent authenticate failed"),
-            }
-        }
-        first
-    }
-
    async fn ensure_session(self: &Arc<Self>) -> Result<Live, String> {
        let _guard = self.connecting.lock().await;
        if let Some(live) = self.live.lock().clone()
@@ -1887,17 +1518,16 @@ impl Task {
        let init = peer.initialize(&client_info()).await.map_err(|e| self.describe(e))?;
        let sign_in_message = spec.sign_in_message(&init.auth_methods);
        let can_load = init.load_session();
+        let mcp_stdio = init.mcp_stdio();
        let (capabilities, embedded) = capabilities_of(&init);
-        let mcp_servers = self.shared.mcp_servers_for_session(&provider_id, &init);
        // Agents that compare canonical paths fail in a symlinked directory (macOS `/tmp`).
        let cwd_s = dunce::canonicalize(&cwd).unwrap_or(cwd).to_string_lossy().into_owned();

-        let mut tried_auth = false;
        let mut session = None;
        if let (Some(id), true) = (saved, can_load) {
            self.replaying.store(true, Ordering::Release);
-            let params = json!({ "sessionId": &id, "cwd": &cwd_s, "mcpServers": &mcp_servers });
-            let loaded = self.request_with_auth(&peer, &init, &mut tried_auth, "session/load", params).await;
+            let loaded: Result<Value, RpcError> =
+                peer.request("session/load", json!({ "sessionId": id, "cwd": cwd_s, "mcpServers": mcp_servers_for(mcp_stdio, &self.shared.paths.project_root) }), None).await;
            tokio::time::sleep(REPLAY_GRACE).await;
            self.replaying.store(false, Ordering::Release);
            match loaded {
@@ -1909,9 +1539,12 @@ impl Task {
        let (session_id, result) = match session {
            Some(s) => s,
            None => {
-                let params = json!({ "cwd": &cwd_s, "mcpServers": &mcp_servers });
-                let v = self
-                    .request_with_auth(&peer, &init, &mut tried_auth, "session/new", params)
+                let v: Value = peer
+                    .request(
+                        "session/new",
+                        json!({ "cwd": cwd_s, "mcpServers": mcp_servers_for(mcp_stdio, &self.shared.paths.project_root) }),
+                        None,
+                    )
                    .await
                    .map_err(|e| self.sign_in_error(&e, Some(&sign_in_message)).unwrap_or_else(|| self.describe(e)))?;
                let id = v.get("sessionId").and_then(Value::as_str).ok_or("the agent returned no session")?.to_owned();
@@ -2003,7 +1636,7 @@ impl Task {
        self.persist();
        self.emit_task();
        let live =
-            Live { sign_in_message, peer, session: session_id, capabilities, embedded, resumable: can_load, init };
+            Live { sign_in_message, peer, session: session_id, capabilities, embedded, resumable: can_load, mcp_stdio };
        *self.live.lock() = Some(live.clone());
        Ok(live)
    }
@@ -2074,7 +1707,7 @@ impl Task {
                    format!("The agent process exited:\n{}", tail.join("\n"))
                }
            }
-            RpcError::Server { message, data, .. } => with_details(message, data.as_ref()),
+            RpcError::Server { message, .. } => message,
            e => e.to_string(),
        }
    }
@@ -2237,44 +1870,6 @@ impl Task {
            .iter()
            .map(|question| question.answer_key.clone().unwrap_or_else(|| question.question.clone()))
            .collect();
-        if let Some(hook) = self.shared.security.read().clone()
-            && let Some(command) = security::extract_command(params)
-        {
-            match security::evaluate_command(&command, &hook()) {
-                security::PolicyDecision::Blocked(pattern) => {
-                    let reject = options.iter().find(|o| o.kind.starts_with("reject")).cloned();
-                    let _ = self.push_entry(AgentEntry::Permission {
-                        id,
-                        title,
-                        options,
-                        questions: Vec::new(),
-                        chosen: Some(format!("Blocked by policy ({pattern})")),
-                    });
-                    return match reject {
-                        Some(option) => json!({ "outcome": { "outcome": "selected", "optionId": option.id } }),
-                        None => json!({ "outcome": { "outcome": "cancelled" } }),
-                    };
-                }
-                security::PolicyDecision::Allowed => {
-                    if let Some(allow) = options
-                        .iter()
-                        .find(|o| o.kind == "allow_once")
-                        .or_else(|| options.iter().find(|o| o.kind.starts_with("allow")))
-                        .cloned()
-                    {
-                        let _ = self.push_entry(AgentEntry::Permission {
-                            id,
-                            title,
-                            options,
-                            questions: Vec::new(),
-                            chosen: Some(format!("{} (whitelisted)", allow.name)),
-                        });
-                        return json!({ "outcome": { "outcome": "selected", "optionId": allow.id } });
-                    }
-                }
-                security::PolicyDecision::AskUser => {}
-            }
-        }
        let (tx, rx) = std::sync::mpsc::channel();
        let entry =
            self.push_entry(AgentEntry::Permission { id, title, options: options.clone(), questions, chosen: None });
@@ -2570,25 +2165,7 @@ fn usage_limit(e: &RpcError) -> Option<Option<f64>> {
        .then_some(None)
 }

-/// An error's message with the detail ACP agents put in `data` (`{"details": …}` or a string):
-/// generic codes such as "Internal error" say nothing without it.
-fn with_details(message: String, data: Option<&Value>) -> String {
-    let details = match data {
-        Some(Value::String(text)) => text.as_str(),
-        Some(data) => data.get("details").and_then(Value::as_str).unwrap_or_default(),
-        None => "",
-    }
-    .trim();
-    if details.is_empty() || message.contains(details) {
-        message
-    } else if message.trim().is_empty() {
-        details.to_owned()
-    } else {
-        format!("{message}: {details}")
-    }
-}
-
-pub(crate) fn client_info() -> Value {
+fn client_info() -> Value {
    json!({ "name": "OpenIDEA", "version": env!("CARGO_PKG_VERSION") })
 }

@@ -2647,16 +2224,6 @@ fn retry_of(update: &Value, now: f64) -> Option<AgentRetry> {
    })
 }

-fn apply_config_choice(task: &Task, option: &str, value: &str) {
-    let mut s = task.state.lock();
-    s.wanted.retain(|c| c.id != option);
-    s.wanted.push(AgentConfigChoice { id: option.to_owned(), value: value.to_owned() });
-    if let Some(o) = s.task.config.iter_mut().find(|o| o.id == option) {
-        o.current = Some(value.to_owned());
-    }
-    s.task.model = model_of(&s.task.config).or(s.task.model.take());
-}
-
 fn model_of(config: &[AgentConfigOption]) -> Option<String> {
    config.iter().find(|o| o.category.as_deref() == Some("model")).and_then(|o| o.current.clone())
 }
@@ -2705,11 +2272,6 @@ fn now_ms() -> f64 {
    std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).map_or(0.0, |d| d.as_millis() as f64)
 }

-/// The user's home, for tools that keep state there (Codex sessions).
-fn home_dir() -> Option<PathBuf> {
-    std::env::var_os("HOME").or_else(|| std::env::var_os("USERPROFILE")).map(PathBuf::from)
-}
-
 fn write_file(path: &Path, bytes: &[u8]) -> Result<(), String> {
    if let Some(dir) = path.parent() {
        std::fs::create_dir_all(dir).map_err(|e| e.to_string())?;
@@ -2745,77 +2307,3 @@ fn stdio_mcp_servers(executable: Option<&std::path::Path>, supported: bool, root
    let command = ide_mcp::stdio_command(executable, root);
    vec![json!({ "name": "OpenIDEA", "command": command[0], "args": command[1..], "env": [] })]
 }
-
-/// What was sent of a streaming message: its first `bytes` (`utf16` UTF-16 units), which
-/// ended with `tail`. A message only grows while it streams, so its tail tells a message
-/// that went on from one that was replaced without comparing (or keeping) all of it.
-struct Sent {
-    index: usize,
-    bytes: usize,
-    utf16: usize,
-    tail: String,
-}
-
-const SENT_TAIL: usize = 64;
-
-impl Sent {
-    fn new(index: usize, text: &str) -> Self {
-        Self::after(index, text, 0, 0)
-    }
-
-    /// `text` as sent, of which the first `bytes` (`utf16` units) were sent before.
-    fn after(index: usize, text: &str, bytes: usize, utf16: usize) -> Self {
-        let mut start = text.len().saturating_sub(SENT_TAIL);
-        while !text.is_char_boundary(start) {
-            start -= 1;
-        }
-        let utf16 = utf16 + text[bytes..].encode_utf16().count();
-        Self { index, bytes: text.len(), utf16, tail: text[start..].to_owned() }
-    }
-
-    /// Whether `text` at `index` is this message, gone on.
-    fn extended_by(&self, index: usize, text: &str) -> bool {
-        self.index == index
-            && text.len() > self.bytes
-            && text.is_char_boundary(self.bytes)
-            && text[..self.bytes].ends_with(&self.tail)
-    }
-}
-
-/// The event that brings the UI's copy of entry `i` up to date: only the new text when
-/// it extends the message last sent for the session, else the whole entry.
-fn entry_event(
-    task: &str,
-    streamed: &mut HashMap<Session, Sent>,
-    subagent: Session,
-    i: usize,
-    entry: &AgentEntry,
-) -> AgentEvent {
-    let text = match entry {
-        AgentEntry::Agent { text } | AgentEntry::Thought { text } => Some(text),
-        _ => None,
-    };
-    let Some(text) = text else {
-        if streamed.get(&subagent).is_some_and(|sent| sent.index == i) {
-            streamed.remove(&subagent);
-        }
-        return AgentEvent::Entry { task: task.to_owned(), subagent, index: i as u32, entry: entry.clone() };
-    };
-    match streamed.get(&subagent).filter(|sent| sent.extended_by(i, text)) {
-        Some(sent) => {
-            let (bytes, from) = (sent.bytes, sent.utf16);
-            streamed.insert(subagent.clone(), Sent::after(i, text, bytes, from));
-            AgentEvent::Append {
-                task: task.to_owned(),
-                subagent,
-                index: i as u32,
-                from: from as u32,
-                text: text[bytes..].to_owned(),
-            }
-        }
-        None => {
-            streamed.insert(subagent.clone(), Sent::new(i, text));
-            AgentEvent::Entry { task: task.to_owned(), subagent, index: i as u32, entry: entry.clone() }
-        }
-    }
-}
@@ -1,507 +0,0 @@
-//! Model Context Protocol (MCP) server configurations stored in OpenIDEA's own settings
-//! (global `settings.toml` and project `.openidea/settings.toml`), passed to ACP agents in
-//! `session/new`, `session/load`, and `session/fork`, plus one-way import from `.mcp.json` /
-//! `.vscode/mcp.json`.
-
-use crate::acp::Negotiated;
-use crate::{AgentMcpServer, McpKeyValue, McpScope, McpServer, McpServerInput, McpTransport};
-use serde_json::{Value, json};
-use std::collections::{BTreeMap, HashSet};
-use std::path::Path;
-
-/// Stable ID for a server in a given scope (`"user::<name>"` or `"workspace::<name>"`).
-pub fn server_id(scope: McpScope, name: &str) -> String {
-    let prefix = match scope {
-        McpScope::User => "user",
-        McpScope::Workspace => "workspace",
-    };
-    format!("{prefix}::{name}")
-}
-
-/// Parses a server ID (`"user::<name>"` or `"workspace::<name>"`).
-pub fn parse_server_id(id: &str) -> Option<(McpScope, &str)> {
-    let (prefix, name) = id.split_once("::")?;
-    if name.is_empty() {
-        return None;
-    }
-    match prefix {
-        "user" => Some((McpScope::User, name)),
-        "workspace" => Some((McpScope::Workspace, name)),
-        _ => None,
-    }
-}
-
-/// Converts the User (`settings.toml`) and Workspace (`.openidea/settings.toml`) MCP server maps
-/// into the ordered list displayed in Settings › Agents › MCP Servers.
-pub fn servers_from_settings(
-    user: &BTreeMap<String, AgentMcpServer>,
-    workspace: &BTreeMap<String, AgentMcpServer>,
-) -> Vec<McpServer> {
-    user.iter()
-        .map(|(name, cfg)| to_mcp_server(McpScope::User, name, cfg))
-        .chain(workspace.iter().map(|(name, cfg)| to_mcp_server(McpScope::Workspace, name, cfg)))
-        .collect()
-}
-
-fn to_mcp_server(scope: McpScope, name: &str, cfg: &AgentMcpServer) -> McpServer {
-    McpServer {
-        id: server_id(scope, name),
-        name: name.to_owned(),
-        scope,
-        transport: cfg.transport,
-        enabled: cfg.enabled,
-        command: cfg.command.clone(),
-        args: cfg.args.clone(),
-        env: cfg.env.iter().map(|(k, v)| McpKeyValue { name: k.clone(), value: v.clone() }).collect(),
-        url: cfg.url.clone(),
-        headers: cfg.headers.iter().map(|(k, v)| McpKeyValue { name: k.clone(), value: v.clone() }).collect(),
-        agents: cfg.agents.clone(),
-    }
-}
-
-fn normalize_provider(id: &str) -> &str {
-    id.strip_suffix("-acp").unwrap_or(id)
-}
-
-fn matches_agent(agents: &[String], provider: &str) -> bool {
-    if agents.is_empty() {
-        return true;
-    }
-    let target = normalize_provider(provider);
-    agents.iter().any(|a| {
-        let trimmed = a.trim();
-        trimmed == provider || normalize_provider(trimmed) == target
-    })
-}
-
-/// Builds the ACP `mcpServers` array for `session/new`, `session/load`, and `session/fork`.
-/// Workspace entries take precedence over User entries with the same name.
-pub(crate) fn acp_mcp_servers(all: &[McpServer], provider: &str, init: &Negotiated) -> Vec<Value> {
-    let supports_stdio = init.mcp_stdio();
-    let supports_http = init.mcp("http");
-    let supports_sse = init.mcp("sse");
-    let mut seen = HashSet::new();
-    let mut servers = Vec::new();
-
-    let ordered =
-        all.iter().filter(|s| s.scope == McpScope::Workspace).chain(all.iter().filter(|s| s.scope == McpScope::User));
-
-    for srv in ordered {
-        if !srv.enabled || !matches_agent(&srv.agents, provider) || !seen.insert(srv.name.clone()) {
-            continue;
-        }
-        match srv.transport {
-            McpTransport::Stdio if supports_stdio => {
-                let Some(cmd) = srv.command.as_deref().filter(|c| !c.trim().is_empty()) else {
-                    continue;
-                };
-                let env: Vec<Value> = srv.env.iter().map(|kv| json!({ "name": kv.name, "value": kv.value })).collect();
-                servers.push(json!({
-                    "name": srv.name,
-                    "command": cmd,
-                    "args": srv.args,
-                    "env": env,
-                }));
-            }
-            McpTransport::Http if supports_http => {
-                let Some(url) = srv.url.as_deref().filter(|u| !u.trim().is_empty()) else {
-                    continue;
-                };
-                let headers: Vec<Value> =
-                    srv.headers.iter().map(|kv| json!({ "name": kv.name, "value": kv.value })).collect();
-                servers.push(json!({
-                    "type": "http",
-                    "name": srv.name,
-                    "url": url,
-                    "headers": headers,
-                }));
-            }
-            McpTransport::Sse if supports_sse => {
-                let Some(url) = srv.url.as_deref().filter(|u| !u.trim().is_empty()) else {
-                    continue;
-                };
-                let headers: Vec<Value> =
-                    srv.headers.iter().map(|kv| json!({ "name": kv.name, "value": kv.value })).collect();
-                servers.push(json!({
-                    "type": "sse",
-                    "name": srv.name,
-                    "url": url,
-                    "headers": headers,
-                }));
-            }
-            _ => {}
-        }
-    }
-
-    servers
-}
-
-/// Applies a create or update operation to the User / Workspace MCP server maps.
-pub fn apply_save(
-    user: &mut BTreeMap<String, AgentMcpServer>,
-    workspace: &mut BTreeMap<String, AgentMcpServer>,
-    has_workspace: bool,
-    input: McpServerInput,
-) -> Result<(), String> {
-    let name = input.name.trim();
-    if name.is_empty() {
-        return Err("Server name is required".into());
-    }
-    if input.scope == McpScope::Workspace && !has_workspace {
-        return Err("Open a project to configure workspace MCP servers".into());
-    }
-    let cfg = match input.transport {
-        McpTransport::Stdio => {
-            let cmd = input.command.as_deref().map(str::trim).unwrap_or_default();
-            if cmd.is_empty() {
-                return Err("Command is required for stdio MCP servers".into());
-            }
-            let env = input
-                .env
-                .into_iter()
-                .filter_map(|kv| {
-                    let k = kv.name.trim();
-                    (!k.is_empty()).then(|| (k.to_owned(), kv.value))
-                })
-                .collect();
-            AgentMcpServer {
-                transport: McpTransport::Stdio,
-                enabled: input.enabled,
-                command: Some(cmd.to_owned()),
-                args: input.args,
-                env,
-                url: None,
-                headers: BTreeMap::new(),
-                agents: normalize_agents_list(input.agents),
-            }
-        }
-        McpTransport::Http | McpTransport::Sse => {
-            let url = input.url.as_deref().map(str::trim).unwrap_or_default();
-            if url.is_empty() {
-                return Err("URL is required for HTTP/SSE MCP servers".into());
-            }
-            let headers = input
-                .headers
-                .into_iter()
-                .filter_map(|kv| {
-                    let k = kv.name.trim();
-                    (!k.is_empty()).then(|| (k.to_owned(), kv.value))
-                })
-                .collect();
-            AgentMcpServer {
-                transport: input.transport,
-                enabled: input.enabled,
-                command: None,
-                args: Vec::new(),
-                env: BTreeMap::new(),
-                url: Some(url.to_owned()),
-                headers,
-                agents: normalize_agents_list(input.agents),
-            }
-        }
-    };
-
-    if let Some(prev_id) = input.id.as_deref()
-        && let Some((prev_scope, prev_name)) = parse_server_id(prev_id)
-        && (prev_scope != input.scope || prev_name != name)
-    {
-        match prev_scope {
-            McpScope::User => {
-                user.remove(prev_name);
-            }
-            McpScope::Workspace => {
-                workspace.remove(prev_name);
-            }
-        }
-    }
-
-    match input.scope {
-        McpScope::User => {
-            user.insert(name.to_owned(), cfg);
-        }
-        McpScope::Workspace => {
-            workspace.insert(name.to_owned(), cfg);
-        }
-    }
-    Ok(())
-}
-
-/// Enables or disables a User or Workspace MCP server by ID.
-pub fn apply_set_enabled(
-    user: &mut BTreeMap<String, AgentMcpServer>,
-    workspace: &mut BTreeMap<String, AgentMcpServer>,
-    id: &str,
-    enabled: bool,
-) -> Result<McpScope, String> {
-    let (scope, name) = parse_server_id(id).ok_or_else(|| format!("MCP server `{id}` not found"))?;
-    let map = match scope {
-        McpScope::User => user,
-        McpScope::Workspace => workspace,
-    };
-    let srv = map.get_mut(name).ok_or_else(|| format!("MCP server `{name}` not found"))?;
-    srv.enabled = enabled;
-    Ok(scope)
-}
-
-/// Removes a User or Workspace MCP server by ID.
-pub fn apply_remove(
-    user: &mut BTreeMap<String, AgentMcpServer>,
-    workspace: &mut BTreeMap<String, AgentMcpServer>,
-    id: &str,
-) -> Result<McpScope, String> {
-    let (scope, name) = parse_server_id(id).ok_or_else(|| format!("MCP server `{id}` not found"))?;
-    let map = match scope {
-        McpScope::User => user,
-        McpScope::Workspace => workspace,
-    };
-    if map.remove(name).is_none() {
-        return Err(format!("MCP server `{name}` not found"));
-    }
-    Ok(scope)
-}
-
-/// Imports MCP servers from `<workspace_root>/.mcp.json` and `<workspace_root>/.vscode/mcp.json`
-/// into `workspace` without modifying the external files. Returns the number of newly added servers.
-pub fn apply_import(workspace: &mut BTreeMap<String, AgentMcpServer>, workspace_root: &Path) -> usize {
-    let mut added = 0;
-    for rel in [".mcp.json", ".vscode/mcp.json"] {
-        let path = workspace_root.join(rel);
-        for (name, srv) in read_external_file(&path) {
-            if let std::collections::btree_map::Entry::Vacant(e) = workspace.entry(name) {
-                e.insert(srv);
-                added += 1;
-            }
-        }
-    }
-    added
-}
-
-fn normalize_agents_list(agents: Vec<String>) -> Vec<String> {
-    let mut out = Vec::new();
-    for a in agents {
-        let trimmed = a.trim();
-        if !trimmed.is_empty() && !out.iter().any(|existing: &String| existing == trimmed) {
-            out.push(trimmed.to_owned());
-        }
-    }
-    out
-}
-
-fn read_external_file(path: &Path) -> BTreeMap<String, AgentMcpServer> {
-    let Ok(bytes) = std::fs::read(path) else {
-        return BTreeMap::new();
-    };
-    let Ok(root) = serde_json::from_slice::<Value>(&bytes) else {
-        return BTreeMap::new();
-    };
-    let Some(servers_obj) = root.get("mcpServers").or_else(|| root.get("servers")).and_then(Value::as_object) else {
-        return BTreeMap::new();
-    };
-
-    let mut out = BTreeMap::new();
-    for (name, def) in servers_obj {
-        let name = name.trim();
-        let Some(obj) = def.as_object().filter(|_| !name.is_empty()) else {
-            continue;
-        };
-        let disabled = obj.get("disabled").and_then(Value::as_bool).unwrap_or(false)
-            || obj.get("enabled").and_then(Value::as_bool) == Some(false);
-        let type_str = obj.get("type").and_then(Value::as_str).unwrap_or_default().to_ascii_lowercase();
-        let url = obj
-            .get("url")
-            .or_else(|| obj.get("serverUrl"))
-            .and_then(Value::as_str)
-            .map(str::trim)
-            .filter(|s| !s.is_empty())
-            .map(str::to_owned);
-        let command =
-            obj.get("command").and_then(Value::as_str).map(str::trim).filter(|s| !s.is_empty()).map(str::to_owned);
-
-        let transport = match type_str.as_str() {
-            "sse" => McpTransport::Sse,
-            "http" | "streamable-http" | "streamable_http" => McpTransport::Http,
-            "stdio" | "local" => McpTransport::Stdio,
-            _ if url.is_some() && command.is_none() => McpTransport::Http,
-            _ => McpTransport::Stdio,
-        };
-
-        match transport {
-            McpTransport::Stdio if command.is_none() => continue,
-            McpTransport::Http | McpTransport::Sse if url.is_none() => continue,
-            _ => {}
-        }
-
-        let args = obj
-            .get("args")
-            .and_then(Value::as_array)
-            .map(|arr| arr.iter().filter_map(|v| v.as_str().map(str::to_owned)).collect())
-            .unwrap_or_default();
-
-        out.insert(
-            name.to_owned(),
-            AgentMcpServer {
-                transport,
-                enabled: !disabled,
-                command,
-                args,
-                env: parse_key_values_map(obj.get("env")),
-                url,
-                headers: parse_key_values_map(obj.get("headers")),
-                agents: Vec::new(),
-            },
-        );
-    }
-    out
-}
-
-fn parse_key_values_map(val: Option<&Value>) -> BTreeMap<String, String> {
-    match val {
-        Some(Value::Object(map)) => map
-            .iter()
-            .filter_map(|(k, v)| {
-                let s = match v {
-                    Value::String(s) => s.clone(),
-                    Value::Number(n) => n.to_string(),
-                    Value::Bool(b) => b.to_string(),
-                    _ => return None,
-                };
-                Some((k.clone(), s))
-            })
-            .collect(),
-        Some(Value::Array(arr)) => arr
-            .iter()
-            .filter_map(|item| {
-                let obj = item.as_object()?;
-                let name = obj.get("name")?.as_str()?.to_owned();
-                let value = obj.get("value")?.as_str()?.to_owned();
-                Some((name, value))
-            })
-            .collect(),
-        _ => BTreeMap::new(),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn crud_and_acp_filtering_by_scope_agent_and_transport() {
-        let mut user = BTreeMap::new();
-        let mut workspace = BTreeMap::new();
-
-        apply_save(
-            &mut user,
-            &mut workspace,
-            true,
-            McpServerInput {
-                id: None,
-                name: "shared".into(),
-                scope: McpScope::User,
-                transport: McpTransport::Stdio,
-                enabled: true,
-                command: Some("npx".into()),
-                args: vec!["-y".into(), "user-pkg".into()],
-                env: vec![McpKeyValue { name: "TOKEN".into(), value: "u1".into() }],
-                url: None,
-                headers: Vec::new(),
-                agents: Vec::new(),
-            },
-        )
-        .unwrap();
-
-        apply_save(
-            &mut user,
-            &mut workspace,
-            true,
-            McpServerInput {
-                id: None,
-                name: "shared".into(),
-                scope: McpScope::Workspace,
-                transport: McpTransport::Stdio,
-                enabled: true,
-                command: Some("npx".into()),
-                args: vec!["-y".into(), "workspace-pkg".into()],
-                env: Vec::new(),
-                url: None,
-                headers: Vec::new(),
-                agents: Vec::new(),
-            },
-        )
-        .unwrap();
-
-        apply_save(
-            &mut user,
-            &mut workspace,
-            true,
-            McpServerInput {
-                id: None,
-                name: "claude-http".into(),
-                scope: McpScope::User,
-                transport: McpTransport::Http,
-                enabled: true,
-                command: None,
-                args: Vec::new(),
-                env: Vec::new(),
-                url: Some("https://example.com/mcp".into()),
-                headers: vec![McpKeyValue { name: "Authorization".into(), value: "Bearer secret".into() }],
-                agents: vec!["claude".into()],
-            },
-        )
-        .unwrap();
-
-        let list = servers_from_settings(&user, &workspace);
-        assert_eq!(list.len(), 3);
-
-        // Negotiated with HTTP support: `claude` gets workspace `shared` + `claude-http`; `codex` only gets `shared`.
-        let init_http = Negotiated::from_initialize(&json!({
-            "agentCapabilities": { "mcpCapabilities": { "http": true, "sse": false } }
-        }));
-        let claude_servers = acp_mcp_servers(&list, "claude-acp", &init_http);
-        assert_eq!(claude_servers.len(), 2);
-        assert_eq!(claude_servers[0]["name"], "shared");
-        assert_eq!(claude_servers[0]["args"], json!(["-y", "workspace-pkg"]));
-        assert_eq!(claude_servers[1]["name"], "claude-http");
-        assert_eq!(claude_servers[1]["type"], "http");
-
-        let codex_servers = acp_mcp_servers(&list, "codex", &init_http);
-        assert_eq!(codex_servers.len(), 1);
-        assert_eq!(codex_servers[0]["name"], "shared");
-
-        // Disable workspace `shared` and remove user `claude-http`.
-        apply_set_enabled(&mut user, &mut workspace, "workspace::shared", false).unwrap();
-        apply_remove(&mut user, &mut workspace, "user::claude-http").unwrap();
-        let list = servers_from_settings(&user, &workspace);
-        let after = acp_mcp_servers(&list, "claude", &init_http);
-        assert_eq!(after.len(), 1);
-        assert_eq!(after[0]["args"], json!(["-y", "user-pkg"]));
-    }
-
-    #[test]
-    fn imports_from_mcp_json_and_vscode_mcp_json_without_modifying_them() {
-        let tmp = tempfile::tempdir().unwrap();
-        let mcp_json = tmp.path().join(".mcp.json");
-        let vscode_dir = tmp.path().join(".vscode");
-        std::fs::create_dir_all(&vscode_dir).unwrap();
-        let vscode_mcp = vscode_dir.join("mcp.json");
-
-        let raw_mcp = r#"{"mcpServers":{"sqlite":{"command":"uvx","args":["mcp-server-sqlite"]}}}"#;
-        let raw_vscode = r#"{"servers":{"remote":{"type":"http","url":"https://mcp.example.com"}}}"#;
-        std::fs::write(&mcp_json, raw_mcp).unwrap();
-        std::fs::write(&vscode_mcp, raw_vscode).unwrap();
-
-        let mut workspace = BTreeMap::new();
-        let added = apply_import(&mut workspace, tmp.path());
-        assert_eq!(added, 2);
-        assert_eq!(workspace["sqlite"].command.as_deref(), Some("uvx"));
-        assert_eq!(workspace["remote"].transport, McpTransport::Http);
-        assert_eq!(workspace["remote"].url.as_deref(), Some("https://mcp.example.com"));
-
-        // Re-importing does not duplicate or overwrite existing entries, and leaves files untouched.
-        workspace.get_mut("sqlite").unwrap().enabled = false;
-        assert_eq!(apply_import(&mut workspace, tmp.path()), 0);
-        assert!(!workspace["sqlite"].enabled);
-        assert_eq!(std::fs::read_to_string(&mcp_json).unwrap(), raw_mcp);
-        assert_eq!(std::fs::read_to_string(&vscode_mcp).unwrap(), raw_vscode);
-    }
-}
@@ -518,15 +518,6 @@ pub enum AgentEvent {
        index: u32,
        entry: AgentEntry,
    },
-    /// Text was appended to entry `index` (an agent message or a thought): it read the first
-    /// `from` UTF-16 units of its text when the previous event for it was sent.
-    Append {
-        task: String,
-        subagent: Option<String>,
-        index: u32,
-        from: u32,
-        text: String,
-    },
    /// An agent reported the usage limits of its account (shared by every task of `provider`).
    Limits {
        provider: String,
@@ -535,116 +526,3 @@ pub enum AgentEvent {
    /// The installed or configured agent providers changed.
    Providers,
 }
-
-pub use ide_core::settings::{AgentMcpServer, McpTransport};
-
-/// Where an MCP server configuration is stored (`settings.toml` vs `.openidea/settings.toml`).
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum McpScope {
-    User,
-    Workspace,
-}
-
-/// A named environment variable or HTTP header for an MCP server.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct McpKeyValue {
-    pub name: String,
-    pub value: String,
-}
-
-/// One configured Model Context Protocol (MCP) server.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct McpServer {
-    pub id: String,
-    pub name: String,
-    pub scope: McpScope,
-    pub transport: McpTransport,
-    pub enabled: bool,
-    pub command: Option<String>,
-    pub args: Vec<String>,
-    pub env: Vec<McpKeyValue>,
-    pub url: Option<String>,
-    pub headers: Vec<McpKeyValue>,
-    /// Agent provider ids this server is enabled for; empty means enabled for all agents.
-    #[serde(default)]
-    pub agents: Vec<String>,
-}
-
-/// Payload for creating or updating a user or workspace MCP server.
-#[derive(Clone, Debug, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct McpServerInput {
-    #[serde(default)]
-    pub id: Option<String>,
-    pub name: String,
-    pub scope: McpScope,
-    pub transport: McpTransport,
-    #[serde(default = "default_true")]
-    pub enabled: bool,
-    #[serde(default)]
-    pub command: Option<String>,
-    #[serde(default)]
-    pub args: Vec<String>,
-    #[serde(default)]
-    pub env: Vec<McpKeyValue>,
-    #[serde(default)]
-    pub url: Option<String>,
-    #[serde(default)]
-    pub headers: Vec<McpKeyValue>,
-    /// Agent provider ids this server is enabled for; empty means enabled for all agents.
-    #[serde(default)]
-    pub agents: Vec<String>,
-}
-
-fn default_true() -> bool {
-    true
-}
-
-/// Payload for creating a custom ACP agent (always the ACP driver); the id
-/// becomes the `<config>/agents/<id>.toml` file name.
-#[derive(Clone, Debug, Deserialize, Type)]
-#[serde(rename_all = "camelCase", deny_unknown_fields)]
-pub struct CustomAgentInput {
-    pub id: String,
-    pub name: String,
-    pub command: String,
-    #[serde(default)]
-    pub args: Vec<String>,
-    #[serde(default)]
-    pub env: BTreeMap<String, String>,
-}
-
-/// What importing one entry of a JetBrains `acp.json` file did.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct AcpImportOutcome {
-    /// The `agent_servers` key the entry was imported from.
-    pub name: String,
-    /// The id its agent file would get (also when skipped).
-    pub id: String,
-    pub saved: bool,
-    /// Why the entry was skipped; empty when it was saved.
-    #[serde(default)]
-    pub reason: String,
-}
-
-/// What accepting a worktree task's changes copied into the local checkout.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct AgentAcceptOutcome {
-    /// Relative paths copied into the checkout (uncommitted), including ones already identical.
-    pub accepted: Vec<String>,
-    /// Files left alone because the checkout has its own edits to them.
-    pub skipped: Vec<AgentAcceptSkipped>,
-}
-
-/// A file accept left alone, with why.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct AgentAcceptSkipped {
-    pub path: String,
-    pub reason: String,
-}
@@ -135,7 +135,7 @@ impl Cli for Process {
 }

 /// Claude Code's configuration directory (`CLAUDE_CONFIG_DIR`, else `~/.claude`).
-pub(crate) fn config_dir(env: &[(String, String)]) -> Option<PathBuf> {
+pub(super) fn config_dir(env: &[(String, String)]) -> Option<PathBuf> {
    let set = env
        .iter()
        .find(|(k, _)| k == "CLAUDE_CONFIG_DIR")
@@ -31,11 +31,11 @@ pub(super) fn transcript(config_dir: &Path, cwd: &Path, id: &str) -> PathBuf {
 }

 /// The project directory name Claude Code uses for `cwd`.
-pub(crate) fn escape(cwd: &Path) -> String {
+pub(super) fn escape(cwd: &Path) -> String {
    cwd.to_string_lossy().chars().map(|c| if c.is_ascii_alphanumeric() { c } else { '-' }).collect()
 }

-pub(crate) fn read(path: &Path) -> std::io::Result<Vec<Value>> {
+pub(super) fn read(path: &Path) -> std::io::Result<Vec<Value>> {
    let text = std::fs::read_to_string(path)?;
    Ok(text.lines().filter_map(|l| serde_json::from_str(l).ok()).collect())
 }
@@ -111,7 +111,7 @@ fn block_ids<'a>(e: &'a Value, ty: &'a str, key: &'a str) -> impl Iterator<Item

 /// Whether `e` is a message that started a turn: the user's own, not a tool result, a
 /// steer, or text Claude Code added.
-pub(crate) fn is_turn_start(e: &Value) -> bool {
+pub(super) fn is_turn_start(e: &Value) -> bool {
    if kind(e) != "user" || e.get("isMeta").and_then(Value::as_bool) == Some(true) {
        return false;
    }
@@ -149,7 +149,7 @@ pub(super) fn cut(chain: &[&Value], turns: usize) -> Result<Option<String>, Stri
 }

 /// The newest title Claude Code gave the session.
-pub(crate) fn title(entries: &[Value]) -> Option<String> {
+pub(super) fn title(entries: &[Value]) -> Option<String> {
    entries
        .iter()
        .rev()
@@ -7,8 +7,8 @@
 //! <id>.json`): loading that session, from this connection or a fresh one, starts it that
 //! way.

-pub(crate) mod cli;
-pub(crate) mod history;
+mod cli;
+mod history;
 mod settings;
 mod tools;
 mod translate;
@@ -69,17 +69,9 @@ pub(crate) fn connect(
    Ok(super::serve(shim, client))
 }

-/// What discovery found: ACP `availableCommands`, `configOptions` for the configured model,
-/// and each model's effort option by model value (`None`: none).
-pub(crate) struct Discovered {
-    pub commands: Vec<Value>,
-    pub options: Value,
-    pub efforts: Vec<(String, Option<Value>)>,
-}
-
 /// Discover the slash commands and the model, mode and effort options without a prompt,
 /// ACP session, or pending session file.
-pub(crate) async fn discover(spec: ProviderSpec, cwd: PathBuf) -> Result<Discovered, String> {
+pub(crate) async fn discover(spec: ProviderSpec, cwd: PathBuf) -> Result<(Vec<Value>, Value), String> {
    tokio::time::timeout(Duration::from_secs(5), async move {
        let spec = tokio::task::spawn_blocking(move || (spec.resolve_for_launch(&cwd), cwd));
        let (spec, cwd) = spec.await.map_err(|e| e.to_string())?;
@@ -108,11 +100,7 @@ pub(crate) async fn discover(spec: ProviderSpec, cwd: PathBuf) -> Result<Discove
        .flatten()
        .unwrap_or_default();
        let settings = Settings::from_cli(&init, &applied);
-        Ok(Discovered {
-            commands: settings.commands.clone(),
-            options: settings.options(),
-            efforts: settings.efforts_by_model(),
-        })
+        Ok((settings.commands.clone(), settings.options()))
    })
    .await
    .map_err(|_| "Claude Code command discovery timed out".to_owned())?
@@ -132,18 +132,19 @@ impl Settings {
                }).collect::<Vec<_>>(),
            }));
        }
-        if let Some(effort) = self.current_model().and_then(|m| effort_option(m, &self.effort)) {
-            out.push(effort);
+        let efforts = self.current_model().map(|m| m.efforts.as_slice()).unwrap_or_default();
+        if !efforts.is_empty() {
+            let mut values = vec![json!({ "value": "default", "name": "Default" })];
+            values.extend(efforts.iter().map(|e| json!({ "value": e, "name": capitalize(e) })));
+            let current = if efforts.contains(&self.effort) { self.effort.as_str() } else { "default" };
+            out.push(json!({
+                "id": EFFORT, "name": "Effort", "category": "thought_level", "type": "select",
+                "currentValue": current, "options": values,
+            }));
        }
        Value::Array(out)
    }

-    /// Each model's effort option by model value (`None`: it has no effort levels): what a new
-    /// task offers once that model is picked, before any session has run it.
-    pub fn efforts_by_model(&self) -> Vec<(String, Option<Value>)> {
-        self.models.iter().map(|m| (m.value.clone(), effort_option(m, &self.effort))).collect()
-    }
-
    pub fn valid(&self, option: &str, value: &str) -> bool {
        self.options()
            .as_array()
@@ -155,20 +156,6 @@ impl Settings {
    }
 }

-/// `model`'s effort option, with `effort` selected when the model offers it; `None` without efforts.
-fn effort_option(model: &Model, effort: &str) -> Option<Value> {
-    if model.efforts.is_empty() {
-        return None;
-    }
-    let mut values = vec![json!({ "value": "default", "name": "Default" })];
-    values.extend(model.efforts.iter().map(|e| json!({ "value": e, "name": capitalize(e) })));
-    let current = if model.efforts.iter().any(|e| e == effort) { effort } else { "default" };
-    Some(json!({
-        "id": EFFORT, "name": "Effort", "category": "thought_level", "type": "select",
-        "currentValue": current, "options": values,
-    }))
-}
-
 /// Slash commands as ACP `availableCommands`, without those that need Claude Code's terminal.
 pub(super) fn commands(list: Option<&Value>, terminal_only: &[String]) -> Vec<Value> {
    list.and_then(Value::as_array)
@@ -244,20 +231,4 @@ mod tests {
        let cmds = commands(init().get("commands"), &["doctor".into()]);
        assert_eq!(cmds, vec![json!({"name": "review", "description": "Review", "input": {"hint": "[pr]"}})]);
    }
-
-    #[test]
-    fn every_model_offers_its_own_efforts() {
-        let s = Settings::from_cli(&init(), &json!({"applied": {"model": "claude-sonnet-5-5", "effort": "high"}}));
-        let efforts = s.efforts_by_model();
-        let values = |model: &str| {
-            let (_, o) = efforts.iter().find(|(m, _)| m == model).unwrap();
-            let o = o.as_ref().unwrap();
-            let values: Vec<_> = o["options"].as_array().unwrap().iter().map(|v| v["value"].clone()).collect();
-            (values, o["currentValue"].clone())
-        };
-        assert_eq!(values("default"), (vec![json!("default"), json!("low"), json!("high")], json!("high")));
-        // The configured effort only where the model offers it.
-        assert_eq!(values("opus"), (vec![json!("default"), json!("low"), json!("max")], json!("default")));
-        assert!(efforts.contains(&("claude-haiku-4-5".into(), None)), "no effort option without levels");
-    }
 }
@@ -2,7 +2,7 @@
 //! `<config>/agents/<id>.toml` (written by hand, or by installing one from the ACP
 //! Registry, see `registry`).

-use crate::{AcpImportOutcome, AgentCommandReadOnlyReason, AgentProvider, AgentSource, CustomAgentInput};
+use crate::{AgentCommandReadOnlyReason, AgentProvider, AgentSource};
 use ide_core::{IdeError, IdeResult};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
@@ -59,14 +59,11 @@ const BUILTIN: &[(&str, &str, Driver, &[&str], &str)] = &[
    ("cursor", "Cursor", Driver::Acp, &["cursor-agent", "acp"], "Run `cursor-agent login` in a terminal."),
    ("opencode", "OpenCode", Driver::Acp, &["opencode", "acp"], "Run `opencode auth login` in a terminal."),
    ("qwen", "Qwen Code", Driver::Acp, &["qwen", "--experimental-acp"], "Run `qwen` in a terminal and sign in."),
-    ("qoder", "Qoder", Driver::Acp, &["qodercli", "--acp"], "Run `qodercli login` in a terminal."),
-    ("qodercn", "Qoder CN", Driver::Acp, &["qoderclicn", "--acp"], "Run `qoderclicn login` in a terminal."),
    ("kimi", "Kimi CLI", Driver::Acp, &["kimi", "acp"], "Run `kimi` in a terminal and sign in."),
    ("goose", "Goose", Driver::Acp, &["goose", "acp"], "Run `goose configure` in a terminal."),
    ("auggie", "Auggie", Driver::Acp, &["auggie", "--acp"], "Run `auggie login` in a terminal."),
    ("kiro", "Kiro", Driver::Acp, &["kiro-cli", "acp"], "Run `kiro-cli login` in a terminal."),
    ("vibe", "Mistral Vibe", Driver::Acp, &["vibe-acp"], "Run `vibe` in a terminal and sign in."),
-    ("omp", "OMP", Driver::Acp, &["omp", "acp"], "Run `omp` in a terminal and sign in."),
 ];

 fn builtins() -> Vec<ProviderSpec> {
@@ -187,14 +184,6 @@ pub(crate) fn builtin_spec(id: &str) -> Option<ProviderSpec> {
    builtins().into_iter().find(|s| s.id == id)
 }

-/// The ACP adapters of Claude Code and Codex, which the native drivers replace: they still
-/// launch, but are listed only once customized through an agent file or used by a task.
-const UNLISTED: &[&str] = &["claude-acp", "codex-acp"];
-
-pub(crate) fn is_unlisted(spec: &ProviderSpec) -> bool {
-    UNLISTED.contains(&spec.id.as_str()) && builtin_spec(&spec.id).as_ref() == Some(spec)
-}
-
 /// Public launch metadata, keeping the built-in defaults separate from agent-file overrides.
 pub(crate) fn describe(spec: &ProviderSpec) -> AgentProvider {
    let builtin = builtin_spec(&spec.id);
@@ -278,127 +267,6 @@ fn update_builtin(custom_dir: &Path, id: &str, change: impl FnOnce(&mut CustomAg
    Ok(())
 }

-/// Saves a new custom agent; refuses built-in and ACP Registry ids, taken ids
-/// and an empty command. The id is also the agent file's name, so it must be
-/// a safe file stem.
-pub(crate) fn save_custom(custom_dir: &Path, input: &CustomAgentInput) -> IdeResult<()> {
-    let id = validated_custom_id(&input.id)?;
-    if builtin_spec(&id).is_some() {
-        return Err(IdeError::invalid(format!("{id} is a built-in agent; change its command instead")));
-    }
-    if input.command.trim().is_empty() {
-        return Err(IdeError::invalid("the agent command must not be empty"));
-    }
-    let file = custom_dir.join(format!("{id}.toml"));
-    if file.try_exists()? {
-        if CustomAgent::read(&file).is_ok_and(|a| a.registry.is_some()) {
-            return Err(IdeError::invalid(format!(
-                "{id} is installed from the ACP Registry; uninstall it there to replace it"
-            )));
-        }
-        return Err(IdeError::invalid(format!("there is already a custom agent '{id}'")));
-    }
-    CustomAgent {
-        name: Some(input.name.clone()),
-        driver: Driver::Acp,
-        command: input.command.clone(),
-        args: input.args.clone(),
-        env: input.env.clone(),
-        registry: None,
-    }
-    .write(&file)?;
-    Ok(())
-}
-
-/// Removes a custom agent's file; refuses built-in, ACP Registry and missing ids.
-pub(crate) fn remove_custom(custom_dir: &Path, id: &str) -> IdeResult<()> {
-    let id = validated_custom_id(id)?;
-    let id = id.as_str();
-    if builtin_spec(id).is_some() {
-        return Err(IdeError::invalid(format!("{id} is a built-in agent and cannot be removed")));
-    }
-    let file = custom_dir.join(format!("{id}.toml"));
-    let agent =
-        CustomAgent::read(&file).map_err(|_| IdeError::not_found(format!("there is no custom agent '{id}'")))?;
-    if agent.registry.is_some() {
-        return Err(IdeError::invalid(format!("{id} is installed from the ACP Registry; uninstall it there")));
-    }
-    match std::fs::remove_file(&file) {
-        Err(e) if e.kind() != std::io::ErrorKind::NotFound => Err(e.into()),
-        _ => Ok(()),
-    }
-}
-
-/// Imports a JetBrains `acp.json` file's `agent_servers` entries as custom
-/// agents, one outcome per entry; entries that collide, lack a command or
-/// have no usable name are skipped with a reason.
-pub(crate) fn import_acp(custom_dir: &Path, text: &str) -> IdeResult<Vec<AcpImportOutcome>> {
-    #[derive(Deserialize)]
-    struct AcpJson {
-        #[serde(default)]
-        agent_servers: BTreeMap<String, AcpServer>,
-    }
-    #[derive(Deserialize)]
-    struct AcpServer {
-        #[serde(default)]
-        command: String,
-        #[serde(default)]
-        args: Vec<String>,
-        #[serde(default)]
-        env: BTreeMap<String, String>,
-    }
-    let parsed: AcpJson =
-        serde_json::from_str(text).map_err(|e| IdeError::invalid(format!("not an acp.json file: {e}")))?;
-    let mut outcomes = Vec::with_capacity(parsed.agent_servers.len());
-    for (name, server) in parsed.agent_servers {
-        let id = slugify_id(&name);
-        let mut outcome = AcpImportOutcome { name, id: id.clone(), saved: false, reason: String::new() };
-        if id.is_empty() {
-            outcome.reason = "the name has no usable characters for an id".to_owned();
-        } else if builtin_spec(&id).is_some() {
-            outcome.reason = format!("{id} is a built-in agent");
-        } else if server.command.trim().is_empty() {
-            outcome.reason = "the entry has no command".to_owned();
-        } else if custom_dir.join(format!("{id}.toml")).try_exists()? {
-            outcome.reason = format!("there is already a custom agent '{id}'");
-        } else {
-            CustomAgent {
-                name: Some(outcome.name.clone()),
-                driver: Driver::Acp,
-                command: server.command,
-                args: server.args,
-                env: server.env,
-                registry: None,
-            }
-            .write(&custom_dir.join(format!("{id}.toml")))?;
-            outcome.saved = true;
-        }
-        outcomes.push(outcome);
-    }
-    Ok(outcomes)
-}
-
-/// A custom agent id doubles as a file stem: letters, digits, `-` and `_` only.
-fn validated_custom_id(id: &str) -> IdeResult<String> {
-    if !id.is_empty() && id.chars().all(|c| c.is_ascii_alphanumeric() || c == '-' || c == '_') {
-        return Ok(id.to_owned());
-    }
-    Err(IdeError::invalid(format!("'{id}' is not a usable agent id (letters, digits, '-' and '_' only)")))
-}
-
-/// Turns an `acp.json` server name into a file-stem id (`"My Agent!"` → `"my-agent"`).
-fn slugify_id(name: &str) -> String {
-    let mut id = String::with_capacity(name.len());
-    for c in name.chars() {
-        if c.is_ascii_alphanumeric() {
-            id.push(c.to_ascii_lowercase());
-        } else if !id.ends_with('-') {
-            id.push('-');
-        }
-    }
-    id.trim_matches('-').to_owned()
-}
-
 /// An agent file, `<config>/agents/<id>.toml`.
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
 #[serde(deny_unknown_fields)]
@@ -532,45 +400,6 @@ mod tests {
    use super::*;
    use serde_json::json;

-    #[test]
-    fn qoder_global_and_cn_editions_are_both_built_in() {
-        let info = |id: &str| describe(&load(None).into_iter().find(|s| s.id == id).unwrap());
-        let (global, cn) = (info("qoder"), info("qodercn"));
-        assert_eq!((global.name.as_str(), global.command.as_str()), ("Qoder", "qodercli --acp"));
-        assert_eq!((cn.name.as_str(), cn.command.as_str()), ("Qoder CN", "qoderclicn --acp"));
-        assert_eq!(global.login_hint.as_deref(), Some("Run `qodercli login` in a terminal."));
-    }
-
-    #[test]
-    fn qodercn_is_available_without_a_file_and_preserves_existing_customizations() {
-        let dir = tempfile::tempdir().unwrap();
-        let qodercn = load(None).into_iter().find(|s| s.id == "qodercn").unwrap();
-        assert_eq!(qodercn.driver, Driver::Acp);
-        assert!(!is_unlisted(&qodercn));
-        let info = describe(&qodercn);
-        assert_eq!(info.name, "Qoder CN");
-        assert_eq!(info.command, "qoderclicn --acp");
-        assert_eq!(info.source, AgentSource::Builtin);
-        assert!(info.command_editable);
-        assert_eq!(info.login_hint.as_deref(), Some("Run `qoderclicn login` in a terminal."));
-
-        std::fs::write(
-            dir.path().join("qodercn.toml"),
-            "command = \"/custom/qoderclicn\"\nargs = [\"--acp\"]\n[env]\nK = \"v\"\n",
-        )
-        .unwrap();
-        let specs = load(Some(dir.path()));
-        assert_eq!(specs.iter().filter(|s| s.id == "qodercn").count(), 1);
-        let custom = specs.iter().find(|s| s.id == "qodercn").unwrap();
-        assert_eq!(custom.command, "/custom/qoderclicn");
-        assert_eq!(custom.env, [("K".into(), "v".into())]);
-        set_builtin_command(dir.path(), "qodercn", None).unwrap();
-        let reset = load(Some(dir.path())).into_iter().find(|s| s.id == "qodercn").unwrap();
-        assert_eq!(reset.command, "qoderclicn");
-        assert_eq!(reset.args, ["--acp"]);
-        assert_eq!(reset.env, custom.env);
-    }
-
    #[test]
    fn login_hints_cover_all_builtin_commands_and_preserve_separate_login_tools() {
        for spec in builtins() {
@@ -761,15 +590,6 @@ mod tests {
        set_builtin_env(dir.path(), "not-a-builtin", env).unwrap_err();
    }

-    #[test]
-    fn acp_adapters_of_native_agents_are_unlisted_until_customized() {
-        let dir = tempfile::tempdir().unwrap();
-        let unlisted = |dir: &Path| load(Some(dir)).into_iter().filter(is_unlisted).map(|s| s.id).collect::<Vec<_>>();
-        assert_eq!(unlisted(dir.path()), ["claude-acp", "codex-acp"]);
-        set_builtin_env(dir.path(), "codex-acp", BTreeMap::from([("A".to_owned(), "1".to_owned())])).unwrap();
-        assert_eq!(unlisted(dir.path()), ["claude-acp"]);
-    }
-
    #[test]
    fn set_builtin_command_overrides_and_clears_a_builtin() {
        let dir = tempfile::tempdir().unwrap();
@@ -874,80 +694,4 @@ mod tests {
        assert_eq!(spec.source, AgentSource::Registry { version: "0.10.0".into(), update: None });
        assert!(toml::from_str::<CustomAgent>("command = \"x\"\n[registry]\nid = \"x\"\n").is_err());
    }
-
-    fn custom_input(id: &str) -> CustomAgentInput {
-        CustomAgentInput {
-            id: id.into(),
-            name: "Mine".into(),
-            command: "/opt/mine".into(),
-            args: vec!["acp".into()],
-            env: BTreeMap::from([("K".to_owned(), "v".to_owned())]),
-        }
-    }
-
-    #[test]
-    fn custom_agents_save_list_and_remove() {
-        let dir = tempfile::tempdir().unwrap();
-        save_custom(dir.path(), &custom_input("mine")).unwrap();
-        let mine = load(Some(dir.path())).into_iter().find(|s| s.id == "mine").unwrap();
-        assert_eq!((mine.name.as_str(), mine.command.as_str()), ("Mine", "/opt/mine"));
-        assert_eq!(mine.env, vec![("K".to_owned(), "v".to_owned())]);
-        assert_eq!(mine.source, AgentSource::Custom);
-        remove_custom(dir.path(), "mine").unwrap();
-        assert!(!load(Some(dir.path())).iter().any(|s| s.id == "mine"));
-        remove_custom(dir.path(), "mine").unwrap_err();
-    }
-
-    #[test]
-    fn custom_agents_refuse_builtin_registry_and_bad_ids() {
-        let dir = tempfile::tempdir().unwrap();
-        save_custom(dir.path(), &custom_input("claude")).unwrap_err();
-        save_custom(dir.path(), &custom_input("../evil")).unwrap_err();
-        save_custom(dir.path(), &custom_input("")).unwrap_err();
-        let mut empty_command = custom_input("mine");
-        empty_command.command = "  ".into();
-        save_custom(dir.path(), &empty_command).unwrap_err();
-        save_custom(dir.path(), &custom_input("mine")).unwrap();
-        save_custom(dir.path(), &custom_input("mine")).unwrap_err();
-        remove_custom(dir.path(), "claude").unwrap_err();
-        // An id that isn't a plain file stem never reaches outside the agents directory.
-        let outside = dir.path().join("outside.toml");
-        std::fs::write(&outside, "command = \"/bin/sh\"\n").unwrap();
-        let agents = dir.path().join("agents");
-        std::fs::create_dir(&agents).unwrap();
-        remove_custom(&agents, "../outside").unwrap_err();
-        assert!(outside.exists());
-        std::fs::write(
-            dir.path().join("amp-acp.toml"),
-            "command = \"/registry/amp\"\n[registry]\nid = \"amp-acp\"\nversion = \"1.0\"\n",
-        )
-        .unwrap();
-        save_custom(dir.path(), &custom_input("amp-acp")).unwrap_err();
-        remove_custom(dir.path(), "amp-acp").unwrap_err();
-    }
-
-    #[test]
-    fn acp_json_imports_servers_and_skips_collisions() {
-        let dir = tempfile::tempdir().unwrap();
-        save_custom(dir.path(), &custom_input("taken")).unwrap();
-        let outcomes = import_acp(
-            dir.path(),
-            r#"{"agent_servers": {
-                "My Agent!": {"command": "/opt/agent", "args": ["--acp"], "env": {"K": "v"}},
-                "taken": {"command": "/opt/taken"},
-                "claude": {"command": "/opt/claude"},
-                "!!!": {"command": "/opt/noname"},
-                "silent": {"args": []}
-            }}"#,
-        )
-        .unwrap();
-        let saved: Vec<&str> = outcomes.iter().filter(|o| o.saved).map(|o| o.id.as_str()).collect();
-        assert_eq!(saved, ["my-agent"]);
-        assert!(outcomes.iter().filter(|o| !o.saved).all(|o| !o.reason.is_empty()));
-        let mine = load(Some(dir.path())).into_iter().find(|s| s.id == "my-agent").unwrap();
-        assert_eq!((mine.name.as_str(), mine.command.as_str()), ("My Agent!", "/opt/agent"));
-        assert_eq!(mine.source, AgentSource::Custom);
-        import_acp(dir.path(), "not json").unwrap_err();
-        assert!(import_acp(dir.path(), "{}").unwrap().is_empty());
-    }
 }
@@ -1,487 +0,0 @@
-//! Command execution security policy (Whitelist / Blacklist) for coding agents.
-
-use ide_core::settings::AgentSecuritySettings;
-use serde_json::Value;
-
-#[derive(Clone, Debug, PartialEq, Eq)]
-pub enum PolicyDecision {
-    /// Command matched a blacklist pattern (`pattern`).
-    Blocked(String),
-    /// Command matched the whitelist and no blacklist pattern.
-    Allowed,
-    /// Neither matched; prompt the user as usual.
-    AskUser,
-}
-
-/// Extracts the shell command string from an ACP `session/request_permission` payload
-/// when the request is for executing a command.
-pub fn extract_command(params: &Value) -> Option<String> {
-    let tool = params.get("toolCall").or_else(|| params.pointer("/subject/toolCall"))?;
-    let raw_cmd = tool.pointer("/rawInput/command").or_else(|| tool.pointer("/rawInput/cmd"));
-    if let Some(cmd) = raw_cmd.and_then(command_from_value) {
-        return Some(cmd);
-    }
-    let kind = tool.get("kind").and_then(Value::as_str).unwrap_or_default();
-    let name = tool.get("name").and_then(Value::as_str).unwrap_or_default();
-    let title =
-        tool.get("title").and_then(Value::as_str).or_else(|| params.get("title").and_then(Value::as_str))?.trim();
-    if let Some(cmd) = title.strip_prefix("Run ").map(str::trim).filter(|s| !s.is_empty()) {
-        return Some(cmd.to_owned());
-    }
-    if (kind == "execute" || matches!(name, "Bash" | "PowerShell" | "Execute" | "Run" | "terminal"))
-        && !title.is_empty()
-        && title != "Terminal"
-        && title != "Run a command"
-    {
-        return Some(title.to_owned());
-    }
-    None
-}
-
-fn command_from_value(val: &Value) -> Option<String> {
-    match val {
-        Value::String(s) => {
-            let trimmed = s.trim();
-            (!trimmed.is_empty()).then(|| trimmed.to_owned())
-        }
-        Value::Array(items) => {
-            let words: Vec<&str> = items.iter().filter_map(Value::as_str).collect();
-            if words.is_empty() {
-                return None;
-            }
-            let cmd = match words.as_slice() {
-                [_, flag, script] if flag.starts_with('-') && flag.ends_with('c') => (*script).trim().to_owned(),
-                _ => words.join(" ").trim().to_owned(),
-            };
-            (!cmd.is_empty()).then_some(cmd)
-        }
-        _ => None,
-    }
-}
-
-/// Checks whether a single pattern matches `command` using prefix + glob rules:
-/// - If `pattern` contains `*` or `?`, matches using glob wildcards (where `*` matches
-///   any sequence of characters). A trailing ` *` in the pattern also matches the bare
-///   command without arguments (e.g. `git status *` matches `git status`).
-/// - Otherwise, matches when `command` equals `pattern` or starts with `pattern` followed
-///   by whitespace (prefix match at word boundary).
-pub fn matches_command(pattern: &str, command: &str) -> bool {
-    let pat = pattern.trim();
-    let cmd = command.trim();
-    if pat.is_empty() || cmd.is_empty() {
-        return false;
-    }
-    if pat.contains('*') || pat.contains('?') {
-        if let Some(stem) = pat.strip_suffix(" *")
-            && cmd == stem.trim()
-        {
-            return true;
-        }
-        wildcard_match(pat.as_bytes(), cmd.as_bytes())
-    } else {
-        cmd == pat || cmd.strip_prefix(pat).is_some_and(|rest| rest.starts_with(char::is_whitespace))
-    }
-}
-
-fn wildcard_match(pat: &[u8], text: &[u8]) -> bool {
-    let (mut p, mut t) = (0, 0);
-    let (mut star_p, mut star_t) = (None, 0);
-    while t < text.len() {
-        if p < pat.len() && (pat[p] == b'?' || pat[p] == text[t]) {
-            p += 1;
-            t += 1;
-        } else if p < pat.len() && pat[p] == b'*' {
-            star_p = Some(p);
-            p += 1;
-            star_t = t;
-        } else if let Some(sp) = star_p {
-            p = sp + 1;
-            star_t += 1;
-            t = star_t;
-        } else {
-            return false;
-        }
-    }
-    while p < pat.len() && pat[p] == b'*' {
-        p += 1;
-    }
-    p == pat.len()
-}
-
-/// Matches an allowed command entry against a sub-command.
-/// An allow entry is a whole command or a prefix only up to a word boundary:
-/// e.g. `git status` matches `git status` and `git status -s`, but NOT `git statusx`.
-/// Any accidental trailing `*` in the allow entry is stripped so `git status*` behaves
-/// cleanly as a prefix at word boundaries instead of a glob wildcard.
-pub fn matches_allow_entry(entry: &str, command: &str) -> bool {
-    let mut entry = entry.trim();
-    if let Some(stripped) = entry.strip_suffix('*') {
-        entry = stripped.trim_end();
-    }
-    let cmd = command.trim();
-    if entry.is_empty() || cmd.is_empty() {
-        return false;
-    }
-    cmd == entry || cmd.strip_prefix(entry).is_some_and(|rest| rest.starts_with(char::is_whitespace))
-}
-
-/// Checks whether a word is an environment variable assignment (`IDENTIFIER=...`).
-fn is_env_assignment_word(word: &str) -> bool {
-    let Some((name, _)) = word.split_once('=') else {
-        return false;
-    };
-    if name.is_empty() {
-        return false;
-    }
-    let mut chars = name.chars();
-    match chars.next() {
-        Some(c) if c.is_ascii_alphabetic() || c == '_' => {}
-        _ => return false,
-    }
-    chars.all(|c| c.is_ascii_alphanumeric() || c == '_')
-}
-
-/// Returns true if the sub-command starts with an environment variable assignment,
-/// e.g. `FOO=bar cmd` or `PORT=3000`.
-fn has_leading_env_assignment(cmd: &str) -> bool {
-    let trimmed = cmd.trim_start();
-    let bytes = trimmed.as_bytes();
-    let mut i = 0;
-    let mut quote: Option<u8> = None;
-    while i < bytes.len() {
-        let b = bytes[i];
-        if b == b'\\' && quote != Some(b'\'') && i + 1 < bytes.len() {
-            i += 2;
-            continue;
-        }
-        if let Some(q) = quote {
-            if b == q {
-                quote = None;
-            }
-            i += 1;
-            continue;
-        }
-        if b == b'\'' || b == b'"' {
-            quote = Some(b);
-            i += 1;
-            continue;
-        }
-        if b.is_ascii_whitespace() {
-            break;
-        }
-        i += 1;
-    }
-    let first_word = &trimmed[..i];
-    is_env_assignment_word(first_word)
-}
-
-/// Checks whether `command` contains shell constructs that must never be auto-approved:
-/// - Command substitution: `$(...)` or backticks
-/// - Redirection: `>`, `>>`, `<`
-/// - Here-docs: `<<`
-/// - Subshells: `(...)`
-/// - Leading environment assignments: `VAR=val cmd`
-pub fn has_unsafe_shell_syntax(command: &str) -> bool {
-    let cmd = command.trim();
-    if cmd.is_empty() {
-        return false;
-    }
-
-    if has_leading_env_assignment(cmd) {
-        return true;
-    }
-
-    let bytes = cmd.as_bytes();
-    let mut i = 0;
-    let mut quote: Option<u8> = None;
-
-    while i < bytes.len() {
-        let b = bytes[i];
-
-        if b == b'\\' && quote != Some(b'\'') && i + 1 < bytes.len() {
-            i += 2;
-            continue;
-        }
-
-        if let Some(q) = quote {
-            if b == q {
-                quote = None;
-                i += 1;
-                continue;
-            }
-            // Inside double quotes: $(...) and `...` are evaluated by the shell.
-            if q == b'"' {
-                if b == b'`' {
-                    return true;
-                }
-                if b == b'$' && i + 1 < bytes.len() && bytes[i + 1] == b'(' {
-                    return true;
-                }
-            }
-            i += 1;
-            continue;
-        }
-
-        match b {
-            b'\'' | b'"' => {
-                quote = Some(b);
-                i += 1;
-            }
-            b'`' => return true,
-            b'$' if i + 1 < bytes.len() && bytes[i + 1] == b'(' => return true,
-            b'<' | b'>' => return true,
-            b'(' | b')' => return true,
-            _ => i += 1,
-        }
-    }
-
-    false
-}
-
-/// Splits a shell command into sub-commands separated by `;`, `&&`, `||`, `|`, or `\n`
-/// (outside single/double quotes) so compound commands cannot bypass policy checks.
-fn split_subcommands(command: &str) -> Vec<&str> {
-    let bytes = command.as_bytes();
-    let mut out = Vec::new();
-    let mut start = 0;
-    let mut i = 0;
-    let mut quote: Option<u8> = None;
-
-    while i < bytes.len() {
-        let b = bytes[i];
-        if let Some(q) = quote {
-            if b == b'\\' && q == b'"' && i + 1 < bytes.len() {
-                i += 2;
-                continue;
-            }
-            if b == q {
-                quote = None;
-            }
-            i += 1;
-            continue;
-        }
-        match b {
-            b'\'' | b'"' => {
-                quote = Some(b);
-                i += 1;
-            }
-            b'\\' if i + 1 < bytes.len() => {
-                i += 2;
-            }
-            b';' | b'\n' => {
-                let seg = command[start..i].trim();
-                if !seg.is_empty() {
-                    out.push(seg);
-                }
-                i += 1;
-                start = i;
-            }
-            b'&' | b'|' => {
-                let seg = command[start..i].trim();
-                if !seg.is_empty() {
-                    out.push(seg);
-                }
-                if i + 1 < bytes.len() && bytes[i + 1] == b {
-                    i += 2;
-                } else {
-                    i += 1;
-                }
-                start = i;
-            }
-            _ => i += 1,
-        }
-    }
-    let tail = command[start..].trim();
-    if !tail.is_empty() {
-        out.push(tail);
-    }
-    out
-}
-
-/// Evaluates `command` against `settings`:
-/// 1. Blacklist takes precedence: if the full command or any sub-command matches a
-///    `blocked_commands` entry, returns [`PolicyDecision::Blocked`].
-/// 2. Whitelist: allowed_commands cannot auto-approve when empty.
-/// 3. Every sub-command in a chain must be safe (no command substitution, redirection,
-///    subshell, or env assignments) and match at least one `allowed_commands` entry
-///    exactly or up to word boundary; otherwise falls back to [`PolicyDecision::AskUser`].
-pub fn evaluate_command(command: &str, settings: &AgentSecuritySettings) -> PolicyDecision {
-    let cmd = command.trim();
-    if cmd.is_empty() {
-        return PolicyDecision::AskUser;
-    }
-    let subcommands = split_subcommands(cmd);
-
-    for pat in &settings.blocked_commands {
-        let pat = pat.trim();
-        if pat.is_empty() {
-            continue;
-        }
-        if matches_command(pat, cmd) || subcommands.iter().any(|sub| matches_command(pat, sub)) {
-            return PolicyDecision::Blocked(pat.to_owned());
-        }
-    }
-
-    if settings.allowed_commands.is_empty() || subcommands.is_empty() {
-        return PolicyDecision::AskUser;
-    }
-
-    let all_allowed = subcommands.iter().all(|sub| {
-        let s = sub.trim();
-        if s.is_empty() || has_unsafe_shell_syntax(s) {
-            return false;
-        }
-        settings.allowed_commands.iter().any(|entry| matches_allow_entry(entry, s))
-    });
-
-    if all_allowed {
-        return PolicyDecision::Allowed;
-    }
-
-    PolicyDecision::AskUser
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use serde_json::json;
-
-    #[test]
-    fn prefix_and_glob_matching() {
-        assert!(matches_command("git status", "git status"));
-        assert!(matches_command("git status", "git status -s"));
-        assert!(!matches_command("git status", "git statusbar"));
-        assert!(matches_command("git status*", "git status"));
-        assert!(matches_command("git status*", "git status --short"));
-        assert!(matches_command("npm test *", "npm test"));
-        assert!(matches_command("npm test *", "npm test unit"));
-        assert!(matches_command("rm -rf *", "rm -rf /tmp/foo"));
-        assert!(matches_command("rm -rf *", "rm -rf /"));
-    }
-
-    #[test]
-    fn blacklist_takes_precedence_and_catches_chained_commands() {
-        let settings = AgentSecuritySettings::default();
-        assert_eq!(evaluate_command("rm -rf /tmp/build", &settings), PolicyDecision::Blocked("rm -rf *".into()));
-        assert_eq!(evaluate_command("git status && rm -rf /", &settings), PolicyDecision::Blocked("rm -rf *".into()));
-        assert_eq!(evaluate_command(":(){ :|:& };:", &settings), PolicyDecision::Blocked(":(){ :|:& };:".into()));
-    }
-
-    #[test]
-    fn allow_entry_matching_word_boundary() {
-        assert!(matches_allow_entry("git status", "git status"));
-        assert!(matches_allow_entry("git status", "git status -s"));
-        assert!(!matches_allow_entry("git status", "git statusbar"));
-        assert!(!matches_allow_entry("git status", "git statusx"));
-        // Trailing asterisk in allow entry normalizes cleanly to word boundary prefix
-        assert!(matches_allow_entry("git status*", "git status"));
-        assert!(matches_allow_entry("git status*", "git status --short"));
-        assert!(!matches_allow_entry("git status*", "git statusbar"));
-        assert!(matches_allow_entry("ls", "ls"));
-        assert!(matches_allow_entry("ls", "ls -la"));
-        assert!(!matches_allow_entry("ls", "lsof"));
-        assert!(matches_allow_entry("cargo check", "cargo check"));
-        assert!(matches_allow_entry("cargo check", "cargo check --workspace"));
-        assert!(!matches_allow_entry("cargo check", "cargo checkmate"));
-    }
-
-    #[test]
-    fn unsafe_shell_syntax_detection() {
-        // Command substitutions: $(...) and `...`
-        assert!(has_unsafe_shell_syntax("echo $(whoami)"));
-        assert!(has_unsafe_shell_syntax("echo \"user: $(whoami)\""));
-        assert!(has_unsafe_shell_syntax("echo `whoami`"));
-        assert!(has_unsafe_shell_syntax("echo \"`whoami`\""));
-
-        // Redirections: >, >>, <
-        assert!(has_unsafe_shell_syntax("git status > /tmp/out"));
-        assert!(has_unsafe_shell_syntax("git status >> /tmp/out"));
-        assert!(has_unsafe_shell_syntax("cat < /tmp/in"));
-        assert!(has_unsafe_shell_syntax("cat << 'EOF'"));
-
-        // Subshells: (...)
-        assert!(has_unsafe_shell_syntax("(cd /tmp && ls)"));
-        assert!(has_unsafe_shell_syntax("git status && (exit 1)"));
-
-        // Environment assignments: VAR=val ...
-        assert!(has_unsafe_shell_syntax("FOO=bar git status"));
-        assert!(has_unsafe_shell_syntax("PORT=3000 npm test"));
-        assert!(has_unsafe_shell_syntax("_SECRET=123 cargo test"));
-        assert!(has_unsafe_shell_syntax("A=\"b c\" git status"));
-
-        // Safe constructs with characters inside quotes or command flags
-        assert!(!has_unsafe_shell_syntax("git commit -m \"fix <bug> and (issue)\""));
-        assert!(!has_unsafe_shell_syntax("git commit -m 'fix <bug>'"));
-        assert!(!has_unsafe_shell_syntax("cargo test --test=unit"));
-        assert!(!has_unsafe_shell_syntax("git status -s"));
-    }
-
-    #[test]
-    fn default_settings_has_no_auto_approval_and_blocks_dangerous_defaults() {
-        let settings = AgentSecuritySettings::default();
-        assert!(settings.allowed_commands.is_empty(), "allowed_commands must start empty");
-        // Safe commands ask user by default
-        assert_eq!(evaluate_command("git status", &settings), PolicyDecision::AskUser);
-        assert_eq!(evaluate_command("ls", &settings), PolicyDecision::AskUser);
-        assert_eq!(evaluate_command("cargo check", &settings), PolicyDecision::AskUser);
-        // Blacklist patterns are still blocked by default
-        assert_eq!(evaluate_command("rm -rf /", &settings), PolicyDecision::Blocked("rm -rf *".into()));
-        assert_eq!(evaluate_command("rm -rf /tmp/test", &settings), PolicyDecision::Blocked("rm -rf *".into()));
-    }
-
-    #[test]
-    fn whitelist_allows_safe_single_and_chained_commands_only() {
-        let settings = AgentSecuritySettings {
-            allowed_commands: vec!["git status".into(), "git diff".into(), "cargo test".into()],
-            blocked_commands: vec!["rm -rf *".into()],
-        };
-        assert_eq!(evaluate_command("git status -s", &settings), PolicyDecision::Allowed);
-        assert_eq!(evaluate_command("git diff HEAD~1", &settings), PolicyDecision::Allowed);
-        assert_eq!(evaluate_command("git status && cargo test", &settings), PolicyDecision::Allowed);
-
-        // Word boundary: git statusx must not match git status
-        assert_eq!(evaluate_command("git statusx", &settings), PolicyDecision::AskUser);
-
-        // Unsafe syntax (redirection, command substitution, env assignment) falls back to AskUser
-        assert_eq!(evaluate_command("git status > out.txt", &settings), PolicyDecision::AskUser);
-        assert_eq!(evaluate_command("git status $(whoami)", &settings), PolicyDecision::AskUser);
-        assert_eq!(evaluate_command("FOO=bar git status", &settings), PolicyDecision::AskUser);
-
-        // Chaining an unapproved command must still ask the user.
-        assert_eq!(evaluate_command("git status && curl https://example.com", &settings), PolicyDecision::AskUser);
-        assert_eq!(evaluate_command("cargo publish", &settings), PolicyDecision::AskUser);
-
-        // Blacklist still takes precedence over whitelist
-        assert_eq!(evaluate_command("git status && rm -rf /", &settings), PolicyDecision::Blocked("rm -rf *".into()));
-    }
-
-    #[test]
-    fn extracts_command_from_v1_v2_and_codex_payloads() {
-        let claude = json!({
-            "toolCall": {
-                "title": "git status",
-                "kind": "execute",
-                "rawInput": { "command": "git status --short" }
-            }
-        });
-        assert_eq!(extract_command(&claude).as_deref(), Some("git status --short"));
-
-        let codex = json!({
-            "toolCall": {
-                "title": "Run cargo test",
-                "kind": "execute",
-                "rawInput": { "command": ["/bin/zsh", "-lc", "cargo test --workspace"] }
-            }
-        });
-        assert_eq!(extract_command(&codex).as_deref(), Some("cargo test --workspace"));
-
-        let write = json!({
-            "toolCall": {
-                "title": "Write foo.txt",
-                "kind": "edit",
-                "rawInput": { "file_path": "foo.txt" }
-            }
-        });
-        assert_eq!(extract_command(&write), None);
-    }
-}
@@ -35,19 +35,11 @@ struct FakeAgent {
    /// Without `loadSession` (a session lives only as long as its process).
    no_load: bool,
    auth_on_new: bool,
-    auth_on_load: bool,
-    authenticate_method: Option<String>,
-    authenticated: AtomicBool,
    request_error: Option<(i64, String)>,
    auth_methods: Vec<Value>,
    /// Hold the late mode reply until the prompt's permission request is already waiting.
    hold_late_mode: bool,
    empty_config: AtomicBool,
-    /// Blocks `session/new` until discovery times out (see `acp::discover` test timeout).
-    hold_session_new: AtomicBool,
-    /// Sleeps this long at the start of `session/set_config_option`, after noting the time.
-    delay_config: Duration,
-    config_entered: Mutex<Option<std::time::Instant>>,
    /// Config options `session/new` reports after the model one (per-model efforts, say).
    extra_options: Mutex<Vec<Value>>,
    model_options: Mutex<HashMap<String, Vec<Value>>>,
@@ -135,9 +127,9 @@ impl Handler for FakeAgent {

    fn on_request(&self, method: &str, params: Value) -> Result<Value, (i64, String)> {
        self.calls.lock().push(method.to_owned());
-        let needs_auth = !self.authenticated.load(Ordering::Acquire)
-            && ((method == "session/new" && self.auth_on_new) || (method == "session/load" && self.auth_on_load));
-        if needs_auth || (method == "session/prompt" && params.pointer("/prompt/0/text") == Some(&json!("auth"))) {
+        if (method == "session/new" && self.auth_on_new)
+            || (method == "session/prompt" && params.pointer("/prompt/0/text") == Some(&json!("auth")))
+        {
            return Err(self
                .request_error
                .clone()
@@ -162,9 +154,6 @@ impl Handler for FakeAgent {
                )
            }
            "session/new" => {
-                if self.hold_session_new.load(Ordering::Acquire) {
-                    std::thread::sleep(Duration::from_secs(5));
-                }
                if self.empty_config.load(Ordering::Acquire) {
                    return Ok(json!({"sessionId": "s1"}));
                }
@@ -187,21 +176,7 @@ impl Handler for FakeAgent {
                self.say(&session, "replayed history");
                Ok(json!({}))
            }
-            "authenticate" if self.authenticate_method.is_some() => {
-                let id = params.get("methodId").and_then(Value::as_str).unwrap_or_default();
-                self.calls.lock().push(format!("authenticate {id}"));
-                if Some(id) == self.authenticate_method.as_deref() {
-                    self.authenticated.store(true, Ordering::Release);
-                    Ok(json!({}))
-                } else {
-                    Err((codes::INVALID_PARAMS, format!("unexpected methodId {id}")))
-                }
-            }
            "session/set_config_option" | "session/set_mode" => {
-                if method == "session/set_config_option" && !self.delay_config.is_zero() {
-                    *self.config_entered.lock() = Some(std::time::Instant::now());
-                    std::thread::sleep(self.delay_config);
-                }
                self.calls.lock().push(format!("{method} {}", params.get("value").or(params.get("modeId")).unwrap()));
                if params["configId"] == "model" && !self.model_options.lock().is_empty() {
                    return Ok(json!({"configOptions": self.options_for(params["value"].as_str().unwrap())}));
@@ -391,35 +366,6 @@ fn manager_at(dir: &Path, models_file: &Path, agent: Arc<FakeAgent>) -> AgentMan
    )
 }

-#[tokio::test(flavor = "multi_thread")]
-async fn saved_conversation_reads_do_not_start_or_load_the_agent() {
-    let tmp = tempfile::tempdir().unwrap();
-    let agent = Arc::new(FakeAgent::default());
-    let mgr = manager(tmp.path(), agent.clone());
-    let task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("Review the saved conversation"),
-            provider: "claude".into(),
-            config: Vec::new(),
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::NeedsInput).await;
-    mgr.shutdown();
-    let restored_agent = Arc::new(FakeAgent::default());
-    let restored = manager(tmp.path(), restored_agent.clone());
-    assert!(!restored.entries(&task.id, None).unwrap().is_empty());
-    assert!(restored_agent.calls.lock().is_empty());
-    assert!(restored.entries("missing-task", None).is_err());
-    assert!(restored.entries(&task.id, Some("missing-subagent".into())).is_err());
-    restored.task(&task.id).unwrap().state.lock().conversation = Conversation::default();
-    assert!(restored.entries(&task.id, None).unwrap().is_empty());
-    restored.shutdown();
-}
-
 #[cfg(unix)]
 #[tokio::test(flavor = "multi_thread")]
 async fn claude_commands_before_session_are_fetched_once_and_saved() {
@@ -721,91 +667,6 @@ async fn registry_sign_in_errors_use_the_advertised_terminal_login() {
    }
 }

-#[tokio::test(flavor = "multi_thread")]
-async fn authenticates_and_retries_session_setup_once_on_auth_error() {
-    let tmp = tempfile::tempdir().unwrap();
-    let methods = vec![
-        json!({"id": "cli_login", "_meta": {"terminal-auth": {"command": "copilot", "args": ["login"]}}}),
-        json!({"id": "github_oauth", "name": "GitHub OAuth"}),
-    ];
-    let agent = Arc::new(FakeAgent {
-        auth_on_new: true,
-        authenticate_method: Some("github_oauth".into()),
-        request_error: Some((-32000, "Authentication required".into())),
-        auth_methods: methods.clone(),
-        ..Default::default()
-    });
-    let mgr = manager(tmp.path(), agent.clone());
-    let task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("again"),
-            provider: "copilot".into(),
-            config: vec![],
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    assert_eq!(
-        agent
-            .calls
-            .lock()
-            .iter()
-            .filter(|c| c.starts_with("session/") || c.starts_with("authenticate"))
-            .collect::<Vec<_>>(),
-        ["session/new", "authenticate", "authenticate github_oauth", "session/new", "session/prompt"],
-    );
-
-    // Resuming after an IDE restart also authenticates once and retries `session/load`.
-    mgr.shutdown();
-    let agent2 = Arc::new(FakeAgent {
-        auth_on_load: true,
-        auth_on_new: true,
-        authenticate_method: Some("github_oauth".into()),
-        request_error: Some((-32000, "Authentication required".into())),
-        auth_methods: methods.clone(),
-        ..Default::default()
-    });
-    let mgr2 = manager(tmp.path(), agent2.clone());
-    mgr2.prompt(&task.id, text("again"), false).await.unwrap();
-    tokio::time::sleep(Duration::from_millis(50)).await;
-    wait_for(&mgr2, &task.id, AgentStatus::Ready).await;
-    assert_eq!(
-        agent2
-            .calls
-            .lock()
-            .iter()
-            .filter(|c| c.starts_with("session/") || c.starts_with("authenticate"))
-            .collect::<Vec<_>>(),
-        ["session/load", "authenticate", "authenticate github_oauth", "session/load", "session/prompt"],
-    );
-
-    // If `authenticate` fails during `session/load`, fallback to `session/new` does not try it again.
-    mgr2.shutdown();
-    let agent3 = Arc::new(FakeAgent {
-        auth_on_load: true,
-        auth_on_new: true,
-        request_error: Some((-32000, "Authentication required".into())),
-        auth_methods: methods,
-        ..Default::default()
-    });
-    let mgr3 = manager(tmp.path(), agent3.clone());
-    mgr3.prompt(&task.id, text("again"), false).await.unwrap();
-    wait_for(&mgr3, &task.id, AgentStatus::Failed).await;
-    assert_eq!(
-        agent3
-            .calls
-            .lock()
-            .iter()
-            .filter(|c| c.starts_with("session/") || c.starts_with("authenticate"))
-            .collect::<Vec<_>>(),
-        ["session/load", "authenticate", "session/new"],
-    );
-    mgr3.shutdown();
-}
-
 #[tokio::test(flavor = "multi_thread")]
 async fn commands_are_remembered_per_project_and_merged_with_skills_on_disk() {
    let tmp = tempfile::tempdir().unwrap();
@@ -2285,49 +2146,6 @@ async fn reload_providers_updates_registry_install_clears_stale_probes_and_notif
    assert!(probe.error.is_none());
 }

-/// A session report that changes the cached provider config notifies subscribers,
-/// so the composer re-lists models without waiting for the next task (#1490).
-/// Reports that change nothing stay silent.
-#[tokio::test(flavor = "multi_thread")]
-async fn remembered_config_changes_notify_subscribers_once() {
-    let tmp = tempfile::tempdir().unwrap();
-    let mgr = manager(tmp.path(), Arc::new(FakeAgent::default()));
-    let events = Arc::new(Mutex::new(Vec::new()));
-    let sink = events.clone();
-    mgr.subscribe(Arc::new(move |e| sink.lock().push(e)));
-    events.lock().clear();
-
-    let reported = config::options_of(&json!({ "configOptions": [
-        { "id": "model", "category": "model", "type": "select", "currentValue": "default",
-          "options": [{ "value": "default" }, { "value": "custom-opus" }] },
-    ] }));
-    mgr.shared.remember("claude", Some(&reported), None, Some("default"));
-    assert!(
-        events.lock().iter().any(|ev| matches!(ev, AgentEvent::Providers)),
-        "a first report changing the cache notifies subscribers"
-    );
-    events.lock().clear();
-
-    // The same report again: the cache is unchanged, so subscribers hear nothing.
-    mgr.shared.remember("claude", Some(&reported), None, Some("default"));
-    assert!(events.lock().is_empty(), "an unchanged report must stay silent");
-
-    // A changed model list notifies again, and providers() serves the new list.
-    let updated = config::options_of(&json!({ "configOptions": [
-        { "id": "model", "category": "model", "type": "select", "currentValue": "default",
-          "options": [{ "value": "default" }, { "value": "custom-opus" }, { "value": "custom-sonnet" }] },
-    ] }));
-    mgr.shared.remember("claude", Some(&updated), None, Some("default"));
-    assert!(
-        events.lock().iter().any(|ev| matches!(ev, AgentEvent::Providers)),
-        "a changed model list notifies subscribers"
-    );
-    let claude = mgr.providers().into_iter().find(|p| p.id == "claude").unwrap();
-    let model = claude.config.iter().find(|o| o.category.as_deref() == Some("model")).unwrap();
-    let values: Vec<_> = model.values.iter().map(|v| v.value.as_str()).collect();
-    assert_eq!(values, ["default", "custom-opus", "custom-sonnet"]);
-}
-
 #[tokio::test(flavor = "multi_thread")]
 async fn idle_agents_stop_and_resume_their_session_on_the_next_message() {
    let new = || NewAgentTask {
@@ -2631,10 +2449,10 @@ async fn session_settings_win_over_discovery_in_memory_and_on_disk() {
        let saved = options("saved", "low");
        let discovered = options("discovered", "high");
        if discovery_first {
-            mgr.shared.remember_discovered("claude", &discovered, &[], &[]);
+            mgr.shared.remember_discovered("claude", &discovered, &[]);
        }
        mgr.shared.remember("claude", Some(&saved), None, Some("saved"));
-        mgr.shared.remember_discovered("claude", &discovered, &[], &[]);
+        mgr.shared.remember_discovered("claude", &discovered, &[]);
        let restored = manager(tmp.path(), Arc::new(FakeAgent::default()));
        for mgr in [&mgr, &restored] {
            assert_eq!(model_of(&mgr.shared.known_config("claude")).as_deref(), Some("saved"));
@@ -2642,297 +2460,3 @@ async fn session_settings_win_over_discovery_in_memory_and_on_disk() {
        }
    }
 }
-
-#[tokio::test(flavor = "multi_thread")]
-async fn provider_reload_does_not_start_acp_discovery() {
-    let agent = Arc::new(FakeAgent::default());
-    let mgr = manager(tempfile::tempdir().unwrap().path(), agent.clone());
-    mgr.reload_providers();
-    tokio::time::sleep(Duration::from_millis(100)).await;
-    assert!(agent.calls.lock().is_empty(), "reload must not spawn cursor-agent");
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn composer_commands_discover_cursor_effort_and_fast() {
-    let agent = Arc::new(FakeAgent {
-        extra_options: Mutex::new(vec![
-            json!({"id": "effort", "type": "select", "currentValue": "medium",
-                "options": [{"value": "low"}, {"value": "medium"}, {"value": "high"}]}),
-            json!({"id": "fast", "type": "select", "currentValue": "false",
-                "options": [{"value": "false", "name": "Off"}, {"value": "true", "name": "On"}]}),
-        ]),
-        ..Default::default()
-    });
-    let mgr = manager(tempfile::tempdir().unwrap().path(), agent.clone());
-    mgr.commands("cursor", None).await.unwrap();
-    let calls = agent.calls.lock();
-    assert!(calls.iter().any(|m| m.as_str() == "session/new"));
-    assert_eq!(calls.iter().filter(|m| m.as_str() == "initialize").count(), 1);
-    let cursor = mgr.providers().into_iter().find(|p| p.id == "cursor").unwrap();
-    assert_eq!(cursor.config.iter().find(|o| o.id == "fast").unwrap().current.as_deref(), Some("false"));
-    assert!(
-        cursor
-            .thought_levels
-            .values()
-            .next()
-            .is_some_and(|levels| { levels.iter().any(|o| o.category.as_deref() == Some("thought_level")) })
-    );
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn config_choice_shows_before_the_agent_answers() {
-    let agent = Arc::new(FakeAgent {
-        extra_options: Mutex::new(vec![json!({
-            "id": "fast", "category": "model_config", "type": "select", "currentValue": "true",
-            "options": [{"value": "true", "name": "On"}, {"value": "false", "name": "Off"}]
-        })]),
-        delay_config: Duration::from_millis(300),
-        ..Default::default()
-    });
-    let mgr = manager(tempfile::tempdir().unwrap().path(), agent.clone());
-    let shown: Arc<Mutex<Option<std::time::Instant>>> = Arc::default();
-    let mark = shown.clone();
-    mgr.subscribe(Arc::new(move |e| {
-        if let AgentEvent::Task { task } = e
-            && task.config.iter().any(|o| o.id == "fast" && o.current.as_deref() == Some("false"))
-            && mark.lock().is_none()
-        {
-            *mark.lock() = Some(std::time::Instant::now());
-        }
-    }));
-    let task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("again"),
-            provider: "claude".into(),
-            config: vec![],
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    mgr.set_config(&task.id, "fast", "false".into()).await.unwrap();
-    let shown = (*shown.lock()).expect("the switch moved");
-    let entered = (*agent.config_entered.lock()).expect("the agent received the change");
-    assert!(shown < entered, "the composer updates before the agent answers");
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn discovery_times_out_when_session_new_hangs() {
-    let agent = Arc::new(FakeAgent { hold_session_new: AtomicBool::new(true), ..Default::default() });
-    let mgr = manager(tempfile::tempdir().unwrap().path(), agent.clone());
-    let started = std::time::Instant::now();
-    mgr.commands("cursor", None).await.unwrap();
-    assert!(started.elapsed() < Duration::from_secs(10), "discovery should time out quickly in tests");
-    let cursor = mgr.providers().into_iter().find(|p| p.id == "cursor").unwrap();
-    assert!(!cursor.config.iter().any(|o| o.category.as_deref() == Some("model")));
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn discovered_effort_levels_fill_models_no_session_has_reported() {
-    let tmp = tempfile::tempdir().unwrap();
-    let mgr = manager(tmp.path(), Arc::new(FakeAgent::default()));
-    let effort = |values: &[&str], current: &str| {
-        config::options_of(&json!({ "configOptions": [
-            { "id": "effort", "category": "thought_level", "type": "select", "currentValue": current,
-              "options": values.iter().map(|v| json!({ "value": v })).collect::<Vec<_>>() }
-        ] }))
-    };
-    let model = config::options_of(&json!({ "configOptions": [
-        { "id": "model", "category": "model", "type": "select", "currentValue": "sonnet",
-          "options": [{ "value": "sonnet" }, { "value": "opus" }] }
-    ] }));
-    // A session already reported sonnet's levels; discovery adds opus's.
-    let reported = [model.clone(), effort(&["low", "high"], "high")].concat();
-    mgr.shared.remember("claude", Some(&reported), None, Some("sonnet"));
-    let levels =
-        [("sonnet".to_owned(), effort(&["low"], "low")), ("opus".to_owned(), effort(&["low", "max"], "default"))];
-    mgr.shared.remember_discovered("claude", &model, &[], &levels);
-    let known = mgr.shared.known.lock();
-    assert_eq!(known["claude"].thought_levels["sonnet"], effort(&["low", "high"], "high"), "the session's report wins");
-    assert_eq!(known["claude"].thought_levels["opus"], effort(&["low", "max"], "default"));
-}
-
-#[test]
-fn streamed_text_is_sent_as_appends() {
-    let mut streamed = HashMap::new();
-    let agent = |t: &str| AgentEntry::Agent { text: t.into() };
-    let first = entry_event("t", &mut streamed, None, 3, &agent("Hé"));
-    assert!(matches!(first, AgentEvent::Entry { index: 3, .. }), "the first sight of a message is whole");
-    let next = entry_event("t", &mut streamed, None, 3, &agent("Hé 👋 there"));
-    assert!(
-        matches!(&next, AgentEvent::Append { subagent: None, index: 3, from: 2, text, .. } if text == " 👋 there"),
-        "{next:?}"
-    );
-    let sub = entry_event("t", &mut streamed, Some("s".into()), 3, &agent("Hé 👋 there!"));
-    assert!(matches!(sub, AgentEvent::Entry { .. }), "each session streams on its own");
-    let after = entry_event("t", &mut streamed, None, 3, &agent("Hé 👋 there."));
-    assert!(
-        matches!(&after, AgentEvent::Append { from: 11, text, .. } if text == "."),
-        "from counts UTF-16 units: {after:?}"
-    );
-    let replaced = entry_event("t", &mut streamed, None, 3, &agent("Other"));
-    assert!(matches!(replaced, AgentEvent::Entry { .. }), "text that doesn't extend the sent text is sent whole");
-    let thought = entry_event("t", &mut streamed, None, 4, &AgentEntry::Thought { text: "hmm…".into() });
-    assert!(matches!(thought, AgentEvent::Entry { index: 4, .. }), "a new message starts whole");
-    let tool = AgentEntry::Error { message: "x".into() };
-    entry_event("t", &mut streamed, None, 4, &tool);
-    let again = entry_event("t", &mut streamed, None, 4, &AgentEntry::Thought { text: "hmm… ok".into() });
-    assert!(matches!(again, AgentEvent::Entry { .. }), "an entry replaced by another kind forgets its text");
-
-    let long = "é".repeat(5000);
-    entry_event("t", &mut streamed, None, 5, &agent(&long));
-    assert!(streamed[&None].tail.len() <= 64, "only the end of what was sent is kept");
-    let on = entry_event("t", &mut streamed, None, 5, &agent(&format!("{long}!")));
-    assert!(matches!(&on, AgentEvent::Append { from: 5000, text, .. } if text == "!"), "{on:?}");
-    let rewritten = entry_event("t", &mut streamed, None, 5, &agent(&format!("{}x!??", "é".repeat(4999))));
-    assert!(matches!(rewritten, AgentEvent::Entry { .. }), "a rewritten end is sent whole");
-}
-
-#[test]
-fn error_messages_keep_the_agents_details() {
-    let details = json!({ "details": "spawn claude ENOENT" });
-    assert_eq!(with_details("Internal error".into(), Some(&details)), "Internal error: spawn claude ENOENT");
-    assert_eq!(
-        with_details("Internal error".into(), Some(&json!("model not found"))),
-        "Internal error: model not found"
-    );
-    assert_eq!(with_details(String::new(), Some(&details)), "spawn claude ENOENT");
-    assert_eq!(with_details("spawn claude ENOENT".into(), Some(&details)), "spawn claude ENOENT");
-    assert_eq!(with_details("Internal error".into(), Some(&json!({ "other": 1 }))), "Internal error");
-    assert_eq!(with_details("Internal error".into(), None), "Internal error");
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn rolling_back_restores_the_start_of_the_task_and_keeps_the_users_own_edits() {
-    let tmp = tempfile::tempdir().unwrap();
-    let dir = dunce::canonicalize(tmp.path()).unwrap();
-    let git = |args: &[&str]| {
-        let ok = std::process::Command::new("git")
-            .args(["-c", "user.name=t", "-c", "user.email=t@t", "-c", "commit.gpgsign=false"])
-            .args(args)
-            .current_dir(&dir)
-            .status()
-            .unwrap()
-            .success();
-        assert!(ok, "{args:?}");
-    };
-    let write = |rel: &str, text: &str| std::fs::write(dir.join(rel), text).unwrap();
-    let read = |rel: &str| std::fs::read_to_string(dir.join(rel)).unwrap();
-    git(&["init", "-q", "-b", "main"]);
-    write(".gitignore", "store/\nworktrees/\nagents/\nmodels.json\n");
-    write("mine.txt", "base\n");
-    write("other.txt", "base\n");
-    git(&["add", "."]);
-    git(&["commit", "-q", "-m", "init"]);
-    // The user's own uncommitted edit, before the task starts.
-    write("mine.txt", "my edit\n");
-
-    let mgr = manager(&dir, Arc::new(FakeAgent::default()));
-    let task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("Hello"),
-            provider: "claude".into(),
-            config: Vec::new(),
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::NeedsInput).await;
-    mgr.cancel(&task.id, None).unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    // What the agent did.
-    write("mine.txt", "my edit\nand the agent's\n");
-    write("other.txt", "agent\n");
-    write("new.txt", "agent\n");
-    async fn changed(mgr: &AgentManager, id: &str) -> Vec<String> {
-        mgr.changes(id).await.unwrap().into_iter().map(|c| c.rel_path).collect()
-    }
-    assert_eq!(changed(&mgr, &task.id).await, ["mine.txt", "new.txt", "other.txt"]);
-
-    mgr.rollback_changes(&task.id, Some(vec!["other.txt".into()])).await.unwrap();
-    assert_eq!(read("other.txt"), "base\n");
-    assert_eq!(changed(&mgr, &task.id).await, ["mine.txt", "new.txt"]);
-
-    // After a restart, from the saved copy.
-    mgr.shutdown();
-    let mgr = manager(&dir, Arc::new(FakeAgent::default()));
-    mgr.rollback_changes(&task.id, None).await.unwrap();
-    assert_eq!(read("mine.txt"), "my edit\n", "the user's edit stays");
-    assert!(!dir.join("new.txt").exists());
-    assert!(changed(&mgr, &task.id).await.is_empty());
-
-    mgr.delete(&task.id, false).await.unwrap();
-    assert!(!dir.join("store").join(format!("{}.before", task.id)).exists());
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn security_policy_auto_approves_whitelist_and_rejects_blacklist() {
-    use ide_core::settings::AgentSecuritySettings;
-
-    // 1. Whitelist auto-approves "cargo test" without waiting for manual respond().
-    let tmp = tempfile::tempdir().unwrap();
-    let agent = Arc::new(FakeAgent::default());
-    let mgr = manager(tmp.path(), agent);
-    mgr.set_security_hook(Arc::new(|| AgentSecuritySettings {
-        allowed_commands: vec!["cargo test".into()],
-        blocked_commands: vec!["rm -rf *".into()],
-    }));
-    let task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("run tests"),
-            provider: "claude".into(),
-            config: vec![],
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    let entries = mgr.entries(&task.id, None).unwrap();
-    assert!(
-        entries.iter().any(|e| matches!(e, AgentEntry::Agent { text } if text.contains("chose yes"))),
-        "{entries:?}"
-    );
-    assert!(
-        entries.iter().any(|e| matches!(
-            e,
-            AgentEntry::Permission { chosen: Some(c), .. } if c.contains("whitelisted")
-        )),
-        "{entries:?}"
-    );
-
-    // 2. Blacklist auto-rejects "cargo test" when matched by blocked_commands.
-    mgr.set_security_hook(Arc::new(|| AgentSecuritySettings {
-        allowed_commands: vec!["cargo test".into()],
-        blocked_commands: vec!["cargo test*".into()],
-    }));
-    let blocked_task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("run blocked"),
-            provider: "claude".into(),
-            config: vec![],
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &blocked_task.id, AgentStatus::Ready).await;
-    let blocked_entries = mgr.entries(&blocked_task.id, None).unwrap();
-    assert!(
-        blocked_entries.iter().any(|e| matches!(e, AgentEntry::Agent { text } if text.contains("chose no"))),
-        "{blocked_entries:?}"
-    );
-    assert!(
-        blocked_entries.iter().any(|e| matches!(
-            e,
-            AgentEntry::Permission { chosen: Some(c), .. } if c.contains("Blocked by policy")
-        )),
-        "{blocked_entries:?}"
-    );
-}
@@ -14,18 +14,8 @@ pub(crate) struct Created {
    pub base_commit: String,
 }

-/// The repository of `path`, free to execute: the host runs every agent command that
-/// reaches a repository only in a trusted project.
-fn discover(path: &Path) -> IdeResult<Option<Repo>> {
-    let repo = Repo::discover(path)?;
-    if let Some(repo) = &repo {
-        repo.set_execution_allowed(true);
-    }
-    Ok(repo)
-}
-
 fn repo_at(path: &Path) -> IdeResult<Repo> {
-    discover(path)?.ok_or_else(|| IdeError::unavailable(format!("{} is not in a git repository", path.display())))
+    Repo::discover(path)?.ok_or_else(|| IdeError::unavailable(format!("{} is not in a git repository", path.display())))
 }

 /// The current branch (or commit when detached) and its commit.
@@ -101,11 +91,10 @@ fn retrying(attempts: u32, pause: Duration, mut op: impl FnMut() -> std::io::Res
 /// Files under `cwd` that differ from `base` (untracked files included), with line counts.
 /// Outside a repository there is nothing to compare against: no changes.
 pub(crate) fn changes(cwd: &Path, base: &str) -> IdeResult<Vec<AgentChange>> {
-    let Some(repo) = discover(cwd)? else { return Ok(Vec::new()) };
+    let Some(repo) = Repo::discover(cwd)? else { return Ok(Vec::new()) };
    let root = repo.root().to_path_buf();
-    let stats: std::collections::HashMap<String, (u32, u32)> =
-        repo.numstat_with_worktree(base)?.into_iter().map(|(p, a, r)| (p, (a, r))).collect();
-    let stat = |rel: &str| stats.get(rel).copied().unwrap_or((0, 0));
+    let stats = repo.numstat_with_worktree(base)?;
+    let stat = |rel: &str| stats.iter().find(|(p, ..)| p == rel).map_or((0, 0), |&(_, a, r)| (a, r));
    let mut out: Vec<AgentChange> = repo
        .diff_with_worktree(base)?
        .into_iter()
@@ -114,9 +103,8 @@ pub(crate) fn changes(cwd: &Path, base: &str) -> IdeResult<Vec<AgentChange>> {
            AgentChange { path: IpcPath(root.join(&f.path)), rel_path: f.path, kind: f.kind, added, removed }
        })
        .collect();
-    let tracked: std::collections::HashSet<String> = out.iter().map(|c| c.rel_path.clone()).collect();
    for s in repo.status()? {
-        if s.unstaged == Some(ChangeKind::Untracked) && !tracked.contains(&s.rel_path) {
+        if s.unstaged == Some(ChangeKind::Untracked) && !out.iter().any(|c| c.rel_path == s.rel_path) {
            let added = std::fs::read_to_string(&*s.path).map_or(0, |t| t.lines().count() as u32);
            out.push(AgentChange { path: s.path, rel_path: s.rel_path, kind: ChangeKind::Added, added, removed: 0 });
        }
@@ -125,54 +113,10 @@ pub(crate) fn changes(cwd: &Path, base: &str) -> IdeResult<Vec<AgentChange>> {
    Ok(out)
 }

-/// Copies the task's `changes` (against `base`) from the worktree `cwd` into the
-/// local checkout `root`, uncommitted: the user reviews and commits them with the
-/// VCS tools. Files the checkout changed itself are left alone and reported, so
-/// accepting never destroys the user's own edits. Returns accepted and skipped paths.
-pub(crate) fn accept(
-    root: &Path,
-    cwd: &Path,
-    base: &str,
-    changes: &[AgentChange],
-) -> IdeResult<crate::AgentAcceptOutcome> {
-    let repo = repo_at(cwd)?;
-    let mut accepted = Vec::with_capacity(changes.len());
-    let mut skipped = Vec::new();
-    for change in changes {
-        let local = root.join(&change.rel_path);
-        let base_bytes = repo.file_bytes_at(&change.path.0, Some(base))?;
-        let current = std::fs::read(&change.path.0).ok();
-        let local_bytes = std::fs::read(&local).ok();
-        if local_bytes == current {
-            accepted.push(change.rel_path.clone());
-        } else if local_bytes == base_bytes {
-            match current {
-                Some(bytes) => {
-                    if let Some(parent) = local.parent() {
-                        std::fs::create_dir_all(parent)?;
-                    }
-                    std::fs::write(&local, bytes)?;
-                }
-                None => match std::fs::remove_file(&local) {
-                    Err(e) if e.kind() != std::io::ErrorKind::NotFound => return Err(e.into()),
-                    _ => {}
-                },
-            }
-            accepted.push(change.rel_path.clone());
-        } else {
-            skipped.push(crate::AgentAcceptSkipped {
-                path: change.rel_path.clone(),
-                reason: "the checkout has changes of its own to it; accept it by hand".to_owned(),
-            });
-        }
-    }
-    Ok(crate::AgentAcceptOutcome { accepted, skipped })
-}
-
 /// Size and modification time of a file, `None` once it is gone.
 pub(crate) type Stamp = Option<(u64, u128)>;

-pub(crate) fn stamp(path: &Path) -> Stamp {
+fn stamp(path: &Path) -> Stamp {
    let meta = std::fs::metadata(path).ok()?;
    let modified = meta.modified().ok()?.duration_since(UNIX_EPOCH).ok()?.as_nanos();
    Some((meta.len(), modified))
@@ -180,10 +124,7 @@ pub(crate) fn stamp(path: &Path) -> Stamp {

 /// The files already changed in `cwd` against `HEAD`, stamped so later edits to them show.
 pub(crate) fn snapshot(cwd: &Path) -> IdeResult<BTreeMap<String, Stamp>> {
-    // Paths and stamps only: no diff and no line counts, which read every untracked file
-    // and held up starting a task in a checkout with many of them.
-    let Some(repo) = Repo::discover(cwd)? else { return Ok(BTreeMap::new()) };
-    Ok(repo.status()?.into_iter().map(|s| (s.rel_path, stamp(&s.path))).collect())
+    Ok(changes(cwd, "HEAD")?.into_iter().map(|c| (c.rel_path, stamp(&c.path))).collect())
 }

 /// Drops the changes that were there before the task and haven't been touched since.
@@ -191,79 +132,8 @@ pub(crate) fn without_untouched(changes: Vec<AgentChange>, before: &BTreeMap<Str
    changes.into_iter().filter(|c| before.get(&c.rel_path).is_none_or(|s| *s != stamp(&c.path))).collect()
 }

-/// Files larger than this that were changed before the task keep no copy: they can't be rolled back.
-const SAVED_MAX: u64 = 8 * 1024 * 1024;
-
-fn saved_name(rel: &str) -> String {
-    use std::hash::{DefaultHasher, Hash, Hasher};
-    let mut hash = DefaultHasher::new();
-    rel.hash(&mut hash);
-    format!("{:016x}", hash.finish())
-}
-
-/// Copies the files in `before` (already changed in the checkout at `cwd` when the task started)
-/// into `dir`, so rolling back the task's changes to them restores the user's own edits.
-/// Whether anything was saved.
-pub(crate) fn save_before(cwd: &Path, before: &BTreeMap<String, Stamp>, dir: &Path) -> IdeResult<bool> {
-    let Some(repo) = Repo::discover(cwd)? else { return Ok(false) };
-    let mut saved = false;
-    for (rel, stamp) in before {
-        let path = repo.root().join(rel);
-        if stamp.is_none() || !std::fs::metadata(&path).is_ok_and(|m| m.is_file() && m.len() <= SAVED_MAX) {
-            continue;
-        }
-        std::fs::create_dir_all(dir)?;
-        std::fs::copy(&path, dir.join(saved_name(rel)))?;
-        saved = true;
-    }
-    Ok(saved)
-}
-
-/// Rolls `change` back: to the copy saved when the task started when the file had changes
-/// then (`before`, `saved` holding the copies), otherwise to `base` (removed when `base`
-/// lacks it).
-pub(crate) fn restore(
-    cwd: &Path,
-    base: &str,
-    change: &AgentChange,
-    before: &BTreeMap<String, Stamp>,
-    saved: Option<&Path>,
-) -> IdeResult<()> {
-    let path = &change.path.0;
-    let content = match before.get(&change.rel_path) {
-        Some(None) => None,
-        Some(Some(_)) => {
-            let copy =
-                saved.map(|d| d.join(saved_name(&change.rel_path))).filter(|p| p.is_file()).ok_or_else(|| {
-                    IdeError::invalid(format!(
-                        "{} had changes of yours when the task started that weren't saved; roll it back in Git instead",
-                        change.rel_path
-                    ))
-                })?;
-            Some(std::fs::read(copy)?)
-        }
-        None => {
-            let repo = Repo::discover(cwd)?.ok_or_else(|| IdeError::invalid("not in a git repository"))?;
-            repo.file_bytes_at(path, Some(base))?
-        }
-    };
-    match content {
-        Some(bytes) => {
-            if let Some(parent) = path.parent() {
-                std::fs::create_dir_all(parent)?;
-            }
-            std::fs::write(path, bytes)?;
-        }
-        None => match std::fs::remove_file(path) {
-            Err(e) if e.kind() != std::io::ErrorKind::NotFound => return Err(e.into()),
-            _ => {}
-        },
-    }
-    Ok(())
-}
-
 pub(crate) fn file_at(cwd: &Path, path: &Path, rev: &str) -> IdeResult<Option<String>> {
-    let Some(repo) = discover(cwd)? else { return Ok(None) };
+    let Some(repo) = Repo::discover(cwd)? else { return Ok(None) };
    let encoding = match ide_vfs::load_text(path) {
        Ok(loaded) => encoding_rs::Encoding::for_label(loaded.encoding.as_bytes()).unwrap_or(encoding_rs::UTF_8),
        Err(_) => ide_vfs::detect_encoding(&repo.file_bytes_at(path, Some(rev))?.unwrap_or_default(), None),
@@ -450,61 +320,4 @@ mod tests {
        assert!(remove(&repo, &tmp.path().join("wt"), &elsewhere).is_err());
        assert!(elsewhere.join("keep.txt").exists());
    }
-
-    fn accept_repo() -> (tempfile::TempDir, PathBuf, Created) {
-        let tmp = tempfile::tempdir().unwrap();
-        let repo = tmp.path().join("repo");
-        std::fs::create_dir(&repo).unwrap();
-        git(&repo, &["init", "-q", "-b", "main"]);
-        std::fs::write(repo.join("a.txt"), "one\ntwo\n").unwrap();
-        std::fs::write(repo.join("gone.txt"), "bye\n").unwrap();
-        git(&repo, &["add", "."]);
-        git(&repo, &["commit", "-q", "-m", "init"]);
-        let created = create(&repo, &tmp.path().join("wt"), "Edit A", None).unwrap();
-        (tmp, repo, created)
-    }
-
-    fn listed(cwd: &Path, base: &str) -> Vec<AgentChange> {
-        without_untouched(changes(cwd, base).unwrap(), &BTreeMap::new())
-    }
-
-    #[test]
-    fn accept_copies_new_modified_and_deleted_files_into_the_checkout() {
-        let (_tmp, repo, created) = accept_repo();
-        std::fs::write(created.path.join("a.txt"), "one\nTWO\n").unwrap();
-        std::fs::write(created.path.join("new.txt"), "x\n").unwrap();
-        std::fs::remove_file(created.path.join("gone.txt")).unwrap();
-
-        let outcome =
-            accept(&repo, &created.path, &created.base_commit, &listed(&created.path, &created.base_commit)).unwrap();
-        assert!(outcome.skipped.is_empty());
-        assert_eq!(outcome.accepted, ["a.txt", "gone.txt", "new.txt"]);
-        assert_eq!(std::fs::read_to_string(repo.join("a.txt")).unwrap(), "one\nTWO\n");
-        assert_eq!(std::fs::read_to_string(repo.join("new.txt")).unwrap(), "x\n");
-        assert!(!repo.join("gone.txt").exists());
-
-        // Accepting again changes nothing: the checkout already matches.
-        let again =
-            accept(&repo, &created.path, &created.base_commit, &listed(&created.path, &created.base_commit)).unwrap();
-        assert!(again.skipped.is_empty());
-        assert_eq!(again.accepted, ["a.txt", "gone.txt", "new.txt"]);
-    }
-
-    #[test]
-    fn accept_leaves_files_the_checkout_changed_itself() {
-        let (_tmp, repo, created) = accept_repo();
-        std::fs::write(created.path.join("a.txt"), "one\nTWO\n").unwrap();
-        std::fs::write(created.path.join("gone.txt"), "bye\nbye\n").unwrap();
-        std::fs::write(repo.join("a.txt"), "one\nMINE\n").unwrap();
-
-        let outcome =
-            accept(&repo, &created.path, &created.base_commit, &listed(&created.path, &created.base_commit)).unwrap();
-        assert_eq!(outcome.accepted, ["gone.txt"]);
-        assert_eq!(outcome.skipped.len(), 1);
-        assert_eq!(outcome.skipped[0].path, "a.txt");
-        assert!(!outcome.skipped[0].reason.is_empty());
-        // The user's own edit survives; the other file comes over.
-        assert_eq!(std::fs::read_to_string(repo.join("a.txt")).unwrap(), "one\nMINE\n");
-        assert_eq!(std::fs::read_to_string(repo.join("gone.txt")).unwrap(), "bye\nbye\n");
-    }
 }
@@ -7,9 +7,7 @@ license.workspace = true

 [dependencies]
 blake3.workspace = true
-chardetng.workspace = true
 dunce.workspace = true
-encoding_rs.workspace = true
 ide-core.workspace = true
 zip.workspace = true
 serde.workspace = true
@@ -79,26 +79,23 @@ fn scan(
    Ok(())
 }

-/// One planned step as fingerprinted: resolved program, args, cwd and env.
-type StepFingerprint = (PathBuf, Vec<String>, PathBuf, BTreeMap<String, String>);
-
-/// Environment, planned steps and input paths shared by every Maven build
-/// fingerprint: the filtered process environment plus the wrapper, settings
-/// and JDK files the planned invocation reads.
-struct Collected {
-    inputs: Vec<PathBuf>,
-    environment: BTreeMap<String, String>,
-    steps: Vec<StepFingerprint>,
-    inherited_hash: u64,
-}
-
-fn collect(
+/// `None` means an input cannot be resolved safely: build normally without reuse.
+/// All filesystem work belongs on the caller's blocking thread.
+pub fn launch_fingerprint(
    root: &Path,
-    projects: &[&maven::MavenProject],
-    plan: &BuildPlan,
+    model: &BuildModel,
+    module: &Path,
+    test: bool,
    local_repo: Option<PathBuf>,
-) -> IdeResult<Option<Collected>> {
-    let Some(mut inputs) = maven::launch_inputs(root, projects, local_repo) else { return Ok(None) };
+    cancel: &CancellationToken,
+) -> IdeResult<Option<LaunchFingerprint>> {
+    let Some(m) = &model.maven else { return Ok(None) };
+    let projects = maven_launch_projects(root, m, module, test);
+    if projects.is_empty() {
+        return Ok(None);
+    }
+    let Some(mut inputs) = maven::launch_inputs(root, &projects, local_repo) else { return Ok(None) };
+    let plan = launch_plan(root, model, module, test, BuildKind::Build)?;
    let mut environment: BTreeMap<String, String> = std::env::vars()
        .map(|(key, value)| (key.to_ascii_uppercase(), value))
        .filter(|(key, _)| {
@@ -168,132 +165,23 @@ fn collect(
            Path::new(home).join(if cfg!(windows) { "bin/java.exe" } else { "bin/java" }),
        ]);
    }
-    let steps = plan
-        .steps
-        .iter()
-        .map(|s| (process::program_path(&s.program, &s.env), s.args.clone(), s.cwd.clone(), s.env.clone()))
-        .collect();
+    let steps: Vec<_> =
+        plan.steps.iter().map(|s| (process::program_path(&s.program, &s.env), &s.args, &s.cwd, &s.env)).collect();
    // Profiles and plugins can read arbitrary environment variables. Keep a signature
    // of the inherited environment without persisting unrelated credentials.
    let inherited: BTreeMap<_, _> = std::env::vars_os().collect();
    let mut inherited_hash = std::hash::DefaultHasher::new();
    inherited.hash(&mut inherited_hash);
-    Ok(Some(Collected { inputs, environment, steps, inherited_hash: inherited_hash.finish() }))
-}
-
-/// Scans every input, storing project inputs relative to the project.
-fn scan_all(
-    root: &Path,
-    inputs: Vec<PathBuf>,
-    cancel: &CancellationToken,
-) -> IdeResult<BTreeMap<PathBuf, Option<Stamp>>> {
+    let parameters =
+        serde_json::to_string(&(root, module, test, steps, environment, inherited_hash.finish(), projects))
+            .map_err(|e| IdeError::internal(e.to_string()))?;
    let mut files = BTreeMap::new();
    for path in inputs {
        scan(root, &path, &mut files, &mut HashSet::new(), cancel)?;
    }
    // Store project inputs relative to the project, including each file's relative path.
-    Ok(files.into_iter().map(|(p, stamp)| (p.strip_prefix(root).unwrap_or(&p).to_path_buf(), stamp)).collect())
-}
-
-/// `None` means an input cannot be resolved safely: build normally without reuse.
-/// All filesystem work belongs on the caller's blocking thread.
-pub fn launch_fingerprint(
-    root: &Path,
-    model: &BuildModel,
-    module: &Path,
-    test: bool,
-    local_repo: Option<PathBuf>,
-    cancel: &CancellationToken,
-) -> IdeResult<Option<LaunchFingerprint>> {
-    let Some(m) = &model.maven else { return Ok(None) };
-    let projects = maven_launch_projects(root, m, module, test);
-    if projects.is_empty() {
-        return Ok(None);
-    }
-    let plan = launch_plan(root, model, module, test, BuildKind::Build)?;
-    let Some(collected) = collect(root, &projects, &plan, local_repo)? else { return Ok(None) };
-    let Collected { inputs, environment, steps, inherited_hash } = collected;
-    let parameters = serde_json::to_string(&(root, module, test, steps, environment, inherited_hash, projects))
-        .map_err(|e| IdeError::internal(e.to_string()))?;
-    Ok(Some(LaunchFingerprint { version: 2, parameters, files: scan_all(root, inputs, cancel)? }))
-}
-
-/// Inputs fingerprint of a menu build (`Build Project` / `Build Module`): the
-/// built modules' sources, resources and POM chain plus the exact planned
-/// steps, so an unchanged project skips Maven entirely (#2476). Only `Build`
-/// callers reuse it, never `Rebuild` or `Artifacts`; `None` disables reuse.
-/// All filesystem work belongs on the caller's blocking thread.
-pub fn menu_fingerprint(
-    root: &Path,
-    model: &BuildModel,
-    file: Option<&Path>,
-    cancel: &CancellationToken,
-) -> IdeResult<Option<LaunchFingerprint>> {
-    let plan = plan(root, model, BuildKind::Build, file, None)?;
-    if plan.system != BuildSystem::Maven {
-        return Ok(None);
-    }
-    let Some(m) = &model.maven else { return Ok(None) };
-    let projects: Vec<&maven::MavenProject> = match file {
-        Some(file) => {
-            // The innermost linked project owning the file, as in single-file compilation.
-            let rel = rel_str(root, file);
-            let module = m
-                .projects
-                .iter()
-                .filter(|p| rel == p.dir || rel.starts_with(&format!("{}/", p.dir)) || p.dir.is_empty())
-                .max_by_key(|p| p.dir.len());
-            match module {
-                Some(project) if project.packaging != "pom" => {
-                    maven_launch_projects(root, m, &subdir(root, &project.dir), true)
-                }
-                _ => return Ok(None),
-            }
-        }
-        // A project build walks every linked project.
-        None => m.projects.iter().collect(),
-    };
-    if projects.is_empty() {
-        return Ok(None);
-    }
-    let Some(collected) = collect(root, &projects, &plan, None)? else { return Ok(None) };
-    let Collected { inputs, environment, steps, inherited_hash } = collected;
-    let scope = file.map(|f| rel_str(root, f));
-    let parameters = serde_json::to_string(&("menu-build", scope, steps, environment, inherited_hash))
-        .map_err(|e| IdeError::internal(e.to_string()))?;
-    Ok(Some(LaunchFingerprint { version: 2, parameters, files: scan_all(root, inputs, cancel)? }))
-}
-
-impl LaunchFingerprint {
-    /// Folders (relative to the project) of the Maven projects whose POM is an input.
-    pub(super) fn project_dirs(&self) -> impl Iterator<Item = &Path> {
-        self.files
-            .keys()
-            .filter(|p| p.is_relative() && p.file_name().is_some_and(|n| n == "pom.xml"))
-            .map(|pom| pom.parent().unwrap_or(Path::new("")))
-    }
-
-    /// Relative paths whose content changed while `(length, mtime)` stayed the same
-    /// compared to `previous` (timestamp-preserving external edits, coarse-granularity
-    /// filesystems). Timestamp-incremental builders (Maven, the Kotlin plugin) would
-    /// skip these sources as "unchanged", so the rebuild the fingerprint triggers
-    /// compiles nothing and the stale outputs get re-recorded as fresh. Callers
-    /// re-stamp the returned paths before building. Inputs without a content hash
-    /// (directories, files outside the project) are never reported.
-    pub fn mtime_preserved_edits(&self, current: &Self) -> Vec<PathBuf> {
-        let mut edits = Vec::new();
-        for (path, current_stamp) in &current.files {
-            let Some(current_stamp) = current_stamp else { continue };
-            let Some(previous_stamp) = self.files.get(path).and_then(|stamp| stamp.as_ref()) else { continue };
-            let (len, mtime, Some(current_hash)) = current_stamp else { continue };
-            let (prev_len, prev_mtime, Some(prev_hash)) = previous_stamp else { continue };
-            if current_hash != prev_hash && len == prev_len && mtime == prev_mtime {
-                edits.push(path.clone());
-            }
-        }
-        edits.sort();
-        edits
-    }
+    let files = files.into_iter().map(|(p, stamp)| (p.strip_prefix(root).unwrap_or(&p).to_path_buf(), stamp)).collect();
+    Ok(Some(LaunchFingerprint { version: 2, parameters, files }))
 }

 #[cfg(test)]
@@ -394,60 +282,6 @@ mod tests {
        assert_ne!(before, after, "a same-length, same-mtime content change must invalidate the fingerprint");
    }

-    #[test]
-    fn mtime_preserved_edits_only_reports_lying_timestamps() {
-        fn stamp(len: u64, hash: &str) -> Option<Stamp> {
-            Some((len, SystemTime::UNIX_EPOCH + std::time::Duration::from_secs(42), Some(hash.into())))
-        }
-        fn prints(
-            previous: BTreeMap<PathBuf, Option<Stamp>>,
-            current: BTreeMap<PathBuf, Option<Stamp>>,
-        ) -> Vec<PathBuf> {
-            let previous = LaunchFingerprint { version: 2, parameters: String::new(), files: previous };
-            let current = LaunchFingerprint { version: 2, parameters: String::new(), files: current };
-            previous.mtime_preserved_edits(&current)
-        }
-        // Same length and mtime, different content: the builder would skip it.
-        assert_eq!(
-            prints([("a.java".into(), stamp(5, "old"))].into(), [("a.java".into(), stamp(5, "new"))].into()),
-            vec![PathBuf::from("a.java")]
-        );
-        // A normal edit bumps the mtime: the builder already sees it.
-        let mut touched = stamp(5, "new").unwrap();
-        touched.1 += std::time::Duration::from_secs(1);
-        assert!(
-            prints([("a.java".into(), stamp(5, "old"))].into(), [("a.java".into(), Some(touched))].into()).is_empty()
-        );
-        // Added, deleted, and hash-less inputs (directories, files outside the
-        // project) carry no comparable content: never reported.
-        assert!(
-            prints(
-                [("gone.java".into(), stamp(5, "old")), ("dir".into(), None)].into(),
-                [("new.java".into(), stamp(5, "new")), ("dir".into(), None)].into()
-            )
-            .is_empty()
-        );
-    }
-
-    #[test]
-    fn lying_source_is_found_against_a_real_fingerprint() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let source = root.join("lib/src/main/kotlin/Channel.kt");
-        let before = fingerprint(root, &model).unwrap();
-        let mtime = fs::metadata(&source).unwrap().modified().unwrap();
-        // Same 5-byte length, different content, preserved mtime.
-        write(root, "lib/src/main/kotlin/Channel.kt", "valve");
-        fs::File::options().write(true).open(&source).unwrap().set_modified(mtime).unwrap();
-        let after = fingerprint(root, &model).unwrap();
-        assert_eq!(before.mtime_preserved_edits(&after), [PathBuf::from("lib/src/main/kotlin/Channel.kt")]);
-        // A normal edit (mtime advances) needs no repair.
-        write(root, "lib/src/main/kotlin/Channel.kt", "valve!");
-        let normal = fingerprint(root, &model).unwrap();
-        assert!(before.mtime_preserved_edits(&normal).is_empty());
-    }
-
    #[test]
    fn profile_options_jdk_goal_and_wrapper_invalidate_without_using_class_outputs() {
        let dir = tempfile::tempdir().unwrap();
@@ -1,253 +0,0 @@
-//! Resources a Gradle build changes while copying them (filters, `expand`, renames, extra
-//! sources). The Java language server copies them as they are into Buildship's
-//! `bin/<source set>` folders, which launches run from; IntelliJ IDEA runs Gradle's copy.
-//! Before a launch, Gradle processes them and its output replaces those plain copies, so
-//! each resource is on the classpath once, as the build produces it.
-use super::{BuildPlan, BuildStep, BuildSystem, Format, run, subdir};
-use crate::BuildModel;
-use crate::gradle::{self, GradleModel, ReportedProject};
-use ide_core::{CancellationToken, IdeError, IdeResult, Severity};
-use std::fs;
-use std::path::{Path, PathBuf};
-
-/// A source set whose resources Gradle processes, with the folder the launch reads them from.
-#[derive(Debug, PartialEq)]
-struct Target {
-    /// Task path from the root build (`:app:processResources`).
-    task: String,
-    /// Where the task writes the resources.
-    output: PathBuf,
-    /// The Java language server's output folder of the source set, on the launch classpath.
-    jdtls: PathBuf,
-}
-
-fn targets(reported: &[ReportedProject], class_paths: &[String]) -> Vec<Target> {
-    // buildSrc is built before the build, never addressable as `:buildSrc:<task>`.
-    let addressable = |p: &&ReportedProject| !p.build.as_deref().is_some_and(|b| b.ends_with(":buildSrc"));
-    let sets: Vec<_> = reported
-        .iter()
-        .filter(addressable)
-        .flat_map(|p| p.source_sets.iter().filter_map(move |s| Some((p, s, s.processed.as_ref()?))))
-        .collect();
-    if sets.is_empty() {
-        return Vec::new();
-    }
-    // Canonical, as Gradle reports its folders: jdtls may spell them differently.
-    let entries: Vec<PathBuf> = class_paths.iter().filter_map(|p| dunce::canonicalize(p).ok()).collect();
-    sets.into_iter()
-        .filter_map(|(p, set, resources)| {
-            // Buildship's output folder of the source set.
-            let jdtls = dunce::canonicalize(Path::new(&p.dir).join("bin").join(&set.name)).ok()?;
-            let project = if p.path == ":" { "" } else { p.path.as_str() };
-            entries.contains(&jdtls).then(|| Target {
-                task: format!("{project}:{}", resources.task),
-                output: PathBuf::from(&resources.dir),
-                jdtls,
-            })
-        })
-        .collect()
-}
-
-/// Before a JVM launch from the Java language server's output folders on `class_paths`:
-/// runs the Gradle tasks that process resources of those folders' source sets (see the
-/// module docs) and copies their output over the plain copies. `cache_dir` holds the
-/// linked builds' last syncs. Returns the tasks run, none for builds that copy their
-/// resources as they are.
-pub fn process_launch_resources(
-    root: &Path,
-    model: &BuildModel,
-    cache_dir: &Path,
-    class_paths: &[String],
-    cancel: &CancellationToken,
-) -> IdeResult<Vec<String>> {
-    // A composite also reports the builds it includes: the deepest build owning a folder runs its task.
-    let mut builds: Vec<&GradleModel> = model.gradle.iter().collect();
-    builds.sort_by_key(|g| std::cmp::Reverse(subdir(root, &g.dir).components().count()));
-    let mut done: Vec<PathBuf> = Vec::new();
-    let mut tasks = Vec::new();
-    for g in builds {
-        let reported = crate::sync::reported_gradle_projects(&gradle::cache_dir(cache_dir, &g.dir));
-        let targets: Vec<Target> =
-            targets(&reported, class_paths).into_iter().filter(|t| !done.contains(&t.jdtls)).collect();
-        if targets.is_empty() {
-            continue;
-        }
-        let mut step = BuildStep::new(&g.command, &["--console=plain"], &subdir(root, &g.dir), Format::Gradle);
-        step.args.extend(targets.iter().map(|t| t.task.clone()));
-        step.env = g.env.clone();
-        let plan = BuildPlan { system: BuildSystem::Gradle, title: "Process resources".into(), steps: vec![step] };
-        let result = run(root, &plan, cancel, &|_| {})?;
-        if !result.success {
-            let errors: Vec<&str> = result
-                .messages
-                .iter()
-                .filter(|m| m.severity == Severity::Error)
-                .take(5)
-                .map(|m| m.text.as_str())
-                .collect();
-            return Err(IdeError::internal(errors.join("\n")));
-        }
-        for t in targets {
-            if cancel.is_cancelled() {
-                return Err(IdeError::cancelled());
-            }
-            overlay(&t.output, &t.output, &t.jdtls)?;
-            done.push(t.jdtls);
-            tasks.push(t.task);
-        }
-    }
-    Ok(tasks)
-}
-
-/// Copies the files under `dir` to the same place under `to` (relative to `base`) where
-/// they differ, so unchanged resources are not rewritten on every launch.
-fn overlay(base: &Path, dir: &Path, to: &Path) -> IdeResult<()> {
-    let entries = match fs::read_dir(dir) {
-        // No resources: the task had nothing to copy.
-        Err(e) if e.kind() == std::io::ErrorKind::NotFound => return Ok(()),
-        entries => entries?,
-    };
-    for entry in entries {
-        let entry = entry?;
-        let path = entry.path();
-        let kind = entry.file_type()?;
-        if kind.is_dir() {
-            overlay(base, &path, to)?;
-        } else if kind.is_file() {
-            let dest = to.join(path.strip_prefix(base).map_err(|e| IdeError::internal(e.to_string()))?);
-            if !same_content(&path, &dest) {
-                if let Some(parent) = dest.parent() {
-                    fs::create_dir_all(parent)?;
-                }
-                fs::copy(&path, &dest)?;
-            }
-        }
-    }
-    Ok(())
-}
-
-fn same_content(a: &Path, b: &Path) -> bool {
-    match (fs::metadata(a), fs::metadata(b)) {
-        (Ok(m), Ok(n)) if m.len() == n.len() => matches!((fs::read(a), fs::read(b)), (Ok(x), Ok(y)) if x == y),
-        _ => false,
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::gradle::{ProcessedResources, ReportedSourceSet};
-
-    fn write(path: &Path, text: &str) {
-        fs::create_dir_all(path.parent().unwrap()).unwrap();
-        fs::write(path, text).unwrap();
-    }
-
-    fn set(name: &str, processed: Option<&Path>) -> ReportedSourceSet {
-        ReportedSourceSet {
-            name: name.into(),
-            test: name == "test",
-            processed: processed.map(|dir| ProcessedResources {
-                task: if name == "main" { "processResources".into() } else { "processTestResources".into() },
-                dir: dir.to_string_lossy().into_owned(),
-            }),
-            ..Default::default()
-        }
-    }
-
-    fn project(path: &str, dir: &Path, sets: Vec<ReportedSourceSet>) -> ReportedProject {
-        ReportedProject {
-            path: path.into(),
-            dir: dir.to_string_lossy().into_owned(),
-            source_sets: sets,
-            ..Default::default()
-        }
-    }
-
-    /// Only processed source sets whose jdtls output is on the classpath: the launched
-    /// module, upstream modules of the build, tests only for a test classpath; never buildSrc.
-    #[test]
-    fn targets_are_processed_sets_on_the_classpath() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = dunce::canonicalize(tmp.path()).unwrap();
-        let (app, lib, plain, src) = (root.join("app"), root.join("lib"), root.join("plain"), root.join("buildSrc"));
-        for dir in [&root, &app, &lib, &plain, &src] {
-            for set in ["main", "test"] {
-                fs::create_dir_all(dir.join("bin").join(set)).unwrap();
-            }
-        }
-        let out = |dir: &Path, set: &str| dir.join("build/resources").join(set);
-        let mut build_src = project(":buildSrc", &src, vec![set("main", Some(&out(&src, "main")))]);
-        build_src.build = Some(":buildSrc".into());
-        let reported = [
-            project(":", &root, vec![set("main", Some(&out(&root, "main")))]),
-            project(":app", &app, vec![set("main", Some(&out(&app, "main"))), set("test", Some(&out(&app, "test")))]),
-            project(":lib", &lib, vec![set("main", Some(&out(&lib, "main")))]),
-            project(":plain", &plain, vec![set("main", None)]),
-            build_src,
-        ];
-        let entry = |dir: &Path, set: &str| dir.join("bin").join(set).to_string_lossy().into_owned();
-        let runtime = [
-            entry(&app, "main"),
-            // Spelled differently from Gradle's canonical folders.
-            format!("{}/", entry(&lib, "main")),
-            entry(&plain, "main"),
-            entry(&src, "main"),
-            "/m2/spring-core.jar".into(),
-        ];
-        let tasks = |cp: &[String]| targets(&reported, cp).into_iter().map(|t| t.task).collect::<Vec<_>>();
-        assert_eq!(tasks(&runtime), [":app:processResources", ":lib:processResources"]);
-        let mut test = runtime.to_vec();
-        test.insert(0, entry(&app, "test"));
-        assert_eq!(tasks(&test), [":app:processResources", ":app:processTestResources", ":lib:processResources"]);
-        assert_eq!(tasks(&[entry(&root, "main")]), [":processResources"], "the root project");
-        let app_targets = targets(&reported, &runtime);
-        let t = &app_targets[0];
-        assert_eq!(
-            (t.output.as_path(), t.jdtls.as_path()),
-            (out(&app, "main").as_path(), app.join("bin/main").as_path())
-        );
-
-        let unprocessed = [project(":app", &app, vec![set("main", None)])];
-        assert!(targets(&unprocessed, &runtime).is_empty());
-    }
-
-    /// The processed copy replaces jdtls's plain one (the reported `@version@` case), new
-    /// files are added, identical ones are left alone and files Gradle doesn't produce stay.
-    #[test]
-    fn overlay_replaces_plain_copies_with_gradle_output() {
-        let tmp = tempfile::tempdir().unwrap();
-        let (output, jdtls) = (tmp.path().join("build/resources/main"), tmp.path().join("bin/main"));
-        write(&output.join("application.yaml"), "spring:\n  application:\n    version: 0.0.1\n");
-        write(&output.join("static/extra.txt"), "from an extra source");
-        write(&output.join("migrations/V1__init.sql"), "create table t (id int);");
-        write(&jdtls.join("application.yaml"), "spring:\n  application:\n    version: @version@\n");
-        write(&jdtls.join("migrations/V1__init.sql"), "create table t (id int);");
-        write(&jdtls.join("com/example/App.class"), "bytecode");
-        let unchanged = fs::metadata(jdtls.join("migrations/V1__init.sql")).unwrap().modified().unwrap();
-        std::thread::sleep(std::time::Duration::from_millis(20));
-
-        overlay(&output, &output, &jdtls).unwrap();
-        let read = |rel: &str| fs::read_to_string(jdtls.join(rel)).unwrap();
-        assert_eq!(read("application.yaml"), "spring:\n  application:\n    version: 0.0.1\n");
-        assert_eq!(read("static/extra.txt"), "from an extra source");
-        assert_eq!(read("com/example/App.class"), "bytecode");
-        let modified = fs::metadata(jdtls.join("migrations/V1__init.sql")).unwrap().modified().unwrap();
-        assert_eq!(modified, unchanged, "identical files are not rewritten");
-
-        overlay(&tmp.path().join("missing"), &tmp.path().join("missing"), &jdtls).unwrap();
-    }
-
-    #[test]
-    fn builds_without_processed_resources_run_nothing() {
-        let tmp = tempfile::tempdir().unwrap();
-        // Running this command would fail the call.
-        let missing = tmp.path().join("missing-gradle").to_string_lossy().into_owned();
-        let model =
-            BuildModel { gradle: vec![GradleModel { command: missing, ..Default::default() }], ..Default::default() };
-        let class_paths = [tmp.path().join("bin/main").to_string_lossy().into_owned()];
-        let tasks =
-            process_launch_resources(tmp.path(), &model, tmp.path(), &class_paths, &CancellationToken::new()).unwrap();
-        assert!(tasks.is_empty());
-    }
-}
@@ -4,17 +4,9 @@
 //! for the Build tool window, the Problems view and the editor.

 mod fingerprint;
-mod launch_resources;
 mod parse;
-mod single;
-mod up_to_date;

-pub use fingerprint::{LaunchFingerprint, launch_fingerprint, menu_fingerprint};
-pub use launch_resources::process_launch_resources;
-pub use single::{
-    SingleFileTarget, compile_file_plan, find_javac, javac_step, single_file_classpath, single_file_target,
-};
-pub use up_to_date::{menu_up_to_date, record_menu_build};
+pub use fingerprint::{LaunchFingerprint, launch_fingerprint};

 use crate::process::{self, Stream};
 use crate::{BuildModel, maven};
@@ -266,26 +258,13 @@ pub(super) fn maven_steps(
        BuildKind::Rebuild => &["clean", "test-compile"],
        BuildKind::Artifacts => &["package", "-DskipTests"],
    };
-    // The IDE's compile builds are not coverage runs. JaCoCo's offline `instrument`
-    // rewrites target/classes in `process-classes`; `jacoco.skip` prevents that in this
-    // build. It does not restore classes instrumented by an earlier build: Rebuild's
-    // `clean` removes those, while an incremental Build can still reuse them.
-    let skip_jacoco = matches!(kind, BuildKind::Build | BuildKind::Rebuild);
    let tops: Vec<&maven::MavenProject> = m.projects.iter().filter(|p| !p.aggregated).collect();
    if tops.is_empty() {
        return Err(IdeError::not_found("no Maven project found"));
    }
    let step = |p: &maven::MavenProject, extra: &[String]| {
-        let mut s = BuildStep::new(
-            &p.command,
-            &["-B", "-Dstyle.color=never", maven::LOCAL_REPO_TRACKING_ARG],
-            &subdir(root, &p.dir),
-            Format::Maven,
-        );
+        let mut s = BuildStep::new(&p.command, &["-B", "-Dstyle.color=never"], &subdir(root, &p.dir), Format::Maven);
        s.args.extend(p.options.iter().cloned());
-        if skip_jacoco {
-            s.args.push("-Djacoco.skip=true".into());
-        }
        s.args.extend(extra.iter().cloned());
        s.args.extend(goals.iter().map(|g| (*g).to_owned()));
        s.env = p.env.clone();
@@ -1049,22 +1028,6 @@ mod tests {
        std::fs::write(p, text).unwrap();
    }

-    #[test]
-    fn maven_compile_steps_skip_jacoco_but_artifacts_do_not() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path().join("demo");
-        write(&root, "pom.xml", "<project><artifactId>demo</artifactId></project>");
-        let model = crate::load(&root, &tmp.path().join("cache"), None);
-        for (kind, expected) in [(BuildKind::Build, true), (BuildKind::Rebuild, true), (BuildKind::Artifacts, false)] {
-            let plan = plan(&root, &model, kind, None, None).unwrap();
-            assert_eq!(
-                plan.steps[0].args.iter().any(|arg| arg == "-Djacoco.skip=true"),
-                expected,
-                "{kind:?}: {plan:?}"
-            );
-        }
-    }
-
    #[test]
    fn plans_per_build_system() {
        let tmp = tempfile::tempdir().unwrap();
@@ -1081,25 +1044,9 @@ mod tests {
        assert_eq!(p.system, BuildSystem::Maven);
        assert_eq!(p.title, "demo");
        assert_eq!(p.steps.len(), 1);
-        assert_eq!(
-            p.steps[0].args,
-            ["-B", "-Dstyle.color=never", maven::LOCAL_REPO_TRACKING_ARG, "-Djacoco.skip=true", "test-compile"]
-        );
+        assert_eq!(p.steps[0].args, ["-B", "-Dstyle.color=never", "test-compile"]);
        let p = plan(&root, &model, BuildKind::Rebuild, Some(&root.join("core/src/main/java/A.java")), None).unwrap();
-        assert_eq!(
-            p.steps[0].args,
-            [
-                "-B",
-                "-Dstyle.color=never",
-                maven::LOCAL_REPO_TRACKING_ARG,
-                "-Djacoco.skip=true",
-                "-pl",
-                "core",
-                "-am",
-                "clean",
-                "test-compile"
-            ]
-        );
+        assert_eq!(p.steps[0].args, ["-B", "-Dstyle.color=never", "-pl", "core", "-am", "clean", "test-compile"]);
        assert_eq!(p.steps[0].cwd, root);
        assert_eq!(p.title, "demo: build module 'core'");

@@ -1373,38 +1320,12 @@ mod tests {
            assert_eq!(step.cwd, root);
            assert_eq!(step.program, "mvnw");
            assert_eq!(step.env["JAVA_HOME"], "/jdk");
-            assert_eq!(
-                step.args,
-                [
-                    "-B",
-                    "-Dstyle.color=never",
-                    maven::LOCAL_REPO_TRACKING_ARG,
-                    "-s",
-                    "settings.xml",
-                    "-Djacoco.skip=true",
-                    "-pl",
-                    "app",
-                    "-am",
-                    goal
-                ]
-            );
+            assert_eq!(step.args, ["-B", "-Dstyle.color=never", "-s", "settings.xml", "-pl", "app", "-am", goal]);
            // Rebuild cleans first, as IDEA's Rebuild does.
            let plan = launch_plan(root, &model, &root.join("app"), test, BuildKind::Rebuild).unwrap();
            assert_eq!(
                plan.steps[0].args,
-                [
-                    "-B",
-                    "-Dstyle.color=never",
-                    maven::LOCAL_REPO_TRACKING_ARG,
-                    "-s",
-                    "settings.xml",
-                    "-Djacoco.skip=true",
-                    "-pl",
-                    "app",
-                    "-am",
-                    "clean",
-                    goal
-                ]
+                ["-B", "-Dstyle.color=never", "-s", "settings.xml", "-pl", "app", "-am", "clean", goal]
            );
        }
    }
@@ -7,7 +7,6 @@
 //! [`super::resolve`] turns them into IDE coordinates.

 use ide_core::Severity;
-pub(crate) use ide_core::output_encoding::strip_ansi;
 use serde_json::Value;

 /// Output dialect of a build step.
@@ -99,6 +98,32 @@ pub(crate) struct OutputParser {
    pending: Option<Pending>,
 }

+/// Removes ANSI escape sequences (colour, cursor movement).
+pub(crate) fn strip_ansi(s: &str) -> String {
+    if !s.contains('\u{1b}') {
+        return s.to_owned();
+    }
+    let mut out = String::with_capacity(s.len());
+    let mut chars = s.chars().peekable();
+    while let Some(c) = chars.next() {
+        if c != '\u{1b}' {
+            out.push(c);
+            continue;
+        }
+        if chars.peek() == Some(&'[') {
+            chars.next();
+            for c in chars.by_ref() {
+                if c.is_ascii_alphabetic() || c == '~' {
+                    break;
+                }
+            }
+        } else {
+            chars.next();
+        }
+    }
+    out
+}
+
 fn num(s: &str) -> Option<u32> {
    s.trim().parse().ok().filter(|n| *n > 0)
 }
@@ -1,331 +0,0 @@
-//! Single-file Java compilation with `javac` for the Compile File action (#2476).
-//!
-//! A module build (`-pl … -am`) still walks every upstream module, and packaging
-//! walks the whole reactor; compiling one file only needs that file's module
-//! outputs plus its dependency classpath, which is much faster to assemble.
-use super::*;
-use std::fs;
-use std::process::Command as ProcCommand;
-
-/// Output file of the `dependency:build-classpath` probe, relative to each module.
-const CP_FILE: &str = "target/ide-compile-cp.txt";
-
-/// A `.java` source and the module build that compiles it.
-pub struct SingleFileTarget {
-    /// Absolute module directory.
-    pub module: PathBuf,
-    /// The source is under `src/test`: compile to test classes with the test classpath.
-    pub test: bool,
-    /// Absolute `target/classes` (or `target/test-classes`).
-    pub out_dir: PathBuf,
-    /// Reactor root building the module (owns the Maven command and options).
-    pub top: maven::MavenProject,
-    /// `-pl` value of the module relative to the reactor root; empty when the
-    /// module is the root itself.
-    pub pl: String,
-    /// `maven.compiler.release` (or equivalent) of the module's project.
-    pub java_version: Option<u32>,
-}
-
-/// Locates the linked Maven module owning a `.java` source file.
-pub fn single_file_target(root: &Path, model: &BuildModel, file: &Path) -> IdeResult<SingleFileTarget> {
-    if file.extension().is_none_or(|ext| ext != "java") {
-        return Err(IdeError::invalid("only Java sources can be compiled as a single file"));
-    }
-    if !file.is_file() {
-        return Err(IdeError::not_found("no Java source found for single-file compilation"));
-    }
-    let Some(m) = &model.maven else {
-        return Err(IdeError::not_found("no linked Maven project found for module"));
-    };
-    // The innermost project whose directory contains the file owns it; the
-    // aggregator root (`""`) is a prefix of everything, so take the longest match.
-    let rel = rel_str(root, file);
-    let project = m
-        .projects
-        .iter()
-        .filter(|p| rel == p.dir || rel.starts_with(&format!("{}/", p.dir)) || p.dir.is_empty())
-        .max_by_key(|p| p.dir.len())
-        .ok_or_else(|| IdeError::not_found("no linked Maven project found for module"))?;
-    if project.packaging == "pom" {
-        // An aggregator owns no sources itself: a file that only matches it
-        // belongs to no linked module.
-        return Err(IdeError::not_found("no linked Maven project found for module"));
-    }
-    let module = subdir(root, &project.dir);
-    let top = maven_reactor(m, &project.dir)
-        .ok_or_else(|| IdeError::not_found("no linked Maven project found for module"))?;
-    let top_dir = subdir(root, &top.dir);
-    let pl = module.strip_prefix(&top_dir).map(|r| r.to_string_lossy().replace('\\', "/")).unwrap_or_default();
-    // Test sources see the test classpath and compile into test classes.
-    let parts: Vec<&str> = rel.split('/').collect();
-    let test = parts.windows(2).any(|w| w == ["src", "test"]);
-    let out_dir = module.join("target").join(if test { "test-classes" } else { "classes" });
-    Ok(SingleFileTarget { module, test, out_dir, top: top.clone(), pl, java_version: project.java_version })
-}
-
-/// `javac` for the module: its `JAVA_HOME`, else `PATH`.
-pub fn find_javac(env: &BTreeMap<String, String>) -> String {
-    let home = env.get("JAVA_HOME").map(Path::new);
-    let exe = if cfg!(windows) { "javac.exe" } else { "javac" };
-    if let Some(javac) = home.map(|h| h.join("bin").join(exe)).filter(|p| p.is_file()) {
-        return javac.to_string_lossy().into_owned();
-    }
-    exe.to_owned()
-}
-
-/// Dependency classpath of the module: existing reactor class directories plus
-/// `mvn dependency:build-classpath` (which resolves without compiling anything,
-/// so `-am` stays cheap). Entries are platform-separated (`;` on Windows).
-pub fn single_file_classpath(root: &Path, model: &BuildModel, target: &SingleFileTarget) -> IdeResult<String> {
-    let mut entries: Vec<String> = Vec::new();
-    // The module's own classes first: the file almost always uses classes next to it.
-    let own: &[&str] = if target.test { &["target/test-classes", "target/classes"] } else { &["target/classes"] };
-    for out in own {
-        let path = target.module.join(out);
-        if path.is_dir() {
-            entries.push(path.to_string_lossy().into_owned());
-        }
-    }
-    if let Some(m) = &model.maven {
-        // Upstream reactor modules first: their freshly built classes shadow
-        // installed snapshots of the same artifacts.
-        for project in maven_launch_projects(root, m, &target.module, target.test) {
-            let dir = subdir(root, &project.dir);
-            if dir == target.module {
-                continue;
-            }
-            for classes in ["target/classes", "target/test-classes"] {
-                let path = dir.join(classes);
-                if path.is_dir() {
-                    entries.push(path.to_string_lossy().into_owned());
-                }
-            }
-        }
-    }
-    let probe = CP_FILE;
-    let mut args = vec!["-B", "-Dstyle.color=never", maven::LOCAL_REPO_TRACKING_ARG];
-    args.extend(target.top.options.iter().map(String::as_str));
-    if !target.pl.is_empty() {
-        args.extend(["-pl", target.pl.as_str(), "-am"]);
-    }
-    let output_arg = format!("-Dmdep.outputFile={probe}");
-    args.extend(["dependency:build-classpath", output_arg.as_str(), "-Dmdep.includeScope=test", "-q"]);
-    let top_dir = subdir(root, &target.top.dir);
-    let status = ProcCommand::new(&target.top.command)
-        .args(&args)
-        .envs(&target.top.env)
-        .current_dir(&top_dir)
-        .output()
-        .map_err(|e| IdeError::internal(format!("cannot resolve the compile classpath: {e}")))?;
-    if !status.status.success() {
-        let stderr = String::from_utf8_lossy(&status.stderr);
-        let tail: Vec<&str> = stderr.lines().filter(|l| !l.trim().is_empty()).collect();
-        let tail = tail.iter().rev().take(5).rev().cloned().collect::<Vec<_>>().join("\n");
-        return Err(IdeError::internal(format!("cannot resolve the compile classpath:\n{tail}")));
-    }
-    // With `-am` every visited module writes its own file; only this module's counts.
-    let cp_file = target.module.join(probe);
-    let content = fs::read_to_string(&cp_file).map_err(|e| {
-        IdeError::internal(format!("cannot resolve the compile classpath: {} ({e})", cp_file.display()))
-    })?;
-    let separator = if cfg!(windows) { ';' } else { ':' };
-    entries.extend(content.split([separator, '\n', '\r']).map(str::trim).filter(|e| !e.is_empty()).map(str::to_owned));
-    entries.dedup();
-    Ok(entries.join(&separator.to_string()))
-}
-
-/// The `javac` step compiling `file` into `target`'s output directory.
-pub fn javac_step(target: &SingleFileTarget, file: &Path, classpath: &str, javac: &str) -> IdeResult<BuildStep> {
-    fs::create_dir_all(&target.out_dir)
-        .map_err(|e| IdeError::internal(format!("cannot create {} ({e})", target.out_dir.display())))?;
-    let mut step = BuildStep::new(javac, &[], &target.module, Format::Gradle);
-    // Raw `javac` prints `path:line: error: …`, the same form Gradle forwards.
-    step.args.push("-encoding".into());
-    step.args.push("UTF-8".into());
-    step.args.push("-d".into());
-    step.args.push(target.out_dir.to_string_lossy().into_owned());
-    step.args.push("-cp".into());
-    step.args.push(classpath.to_owned());
-    // Classes of the module that were never built (or are older than their source) are read
-    // from its sources; only `file` is written, so a test compile never puts main classes
-    // into test-classes.
-    let sources = source_roots(target);
-    if !sources.is_empty() {
-        let separator = if cfg!(windows) { ";" } else { ":" };
-        step.args.push("-sourcepath".into());
-        step.args.push(sources.iter().map(|p| p.to_string_lossy()).collect::<Vec<_>>().join(separator));
-        step.args.push("-implicit:none".into());
-    }
-    if let Some(version) = target.java_version {
-        step.args.push("--release".into());
-        step.args.push(version.to_string());
-    }
-    step.args.push(file.to_string_lossy().into_owned());
-    step.env = target.top.env.clone();
-    Ok(step)
-}
-
-/// The module's Java source folders that exist, generated ones included; test sources see
-/// the main ones too.
-fn source_roots(target: &SingleFileTarget) -> Vec<PathBuf> {
-    let scopes: &[(&str, &str)] = if target.test {
-        &[("src/test/java", "target/generated-test-sources"), ("src/main/java", "target/generated-sources")]
-    } else {
-        &[("src/main/java", "target/generated-sources")]
-    };
-    let mut roots = Vec::new();
-    for (src, generated) in scopes {
-        roots.push(target.module.join(src));
-        let generated = target.module.join(generated);
-        let mut dirs: Vec<PathBuf> =
-            fs::read_dir(&generated).into_iter().flatten().flatten().map(|d| d.path()).filter(|p| p.is_dir()).collect();
-        dirs.sort();
-        roots.extend(dirs);
-    }
-    roots.retain(|p| p.is_dir());
-    roots
-}
-
-/// Resolves the classpath and plans the `javac` invocation for one Java source.
-pub fn compile_file_plan(root: &Path, model: &BuildModel, file: &Path) -> IdeResult<BuildPlan> {
-    let target = single_file_target(root, model, file)?;
-    let classpath = single_file_classpath(root, model, &target)?;
-    let javac = find_javac(&target.top.env);
-    let name = file.file_name().map(|n| n.to_string_lossy().into_owned()).unwrap_or_default();
-    Ok(BuildPlan {
-        system: BuildSystem::Maven,
-        title: format!("Compile {name}"),
-        steps: vec![javac_step(&target, file, &classpath, &javac)?],
-    })
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn write(root: &Path, rel: &str, value: &str) {
-        let path = root.join(rel);
-        fs::create_dir_all(path.parent().unwrap()).unwrap();
-        fs::write(path, value).unwrap();
-    }
-
-    fn fixture(root: &Path) -> BuildModel {
-        write(
-            root,
-            "pom.xml",
-            r#"<project><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version>
-            <packaging>pom</packaging><modules><module>lib</module><module>app</module></modules></project>"#,
-        );
-        write(
-            root,
-            "lib/pom.xml",
-            r#"<project><parent><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version></parent>
-            <artifactId>lib</artifactId></project>"#,
-        );
-        write(
-            root,
-            "app/pom.xml",
-            r#"<project><parent><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version></parent>
-            <artifactId>app</artifactId><dependencies><dependency><groupId>demo</groupId><artifactId>lib</artifactId><version>1</version></dependency></dependencies></project>"#,
-        );
-        write(root, "app/src/main/java/demo/Main.java", "class Main {}");
-        write(root, "app/src/test/java/demo/MainTest.java", "class MainTest {}");
-        write(root, "lib/target/classes/Lib.class", "built");
-        crate::load(root, &root.join("cache"), None)
-    }
-
-    #[test]
-    fn target_finds_the_owning_module_and_the_test_scope() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let main = single_file_target(root, &model, &root.join("app/src/main/java/demo/Main.java")).unwrap();
-        assert_eq!(main.module, root.join("app"));
-        assert!(!main.test);
-        assert_eq!(main.out_dir, root.join("app/target/classes"));
-        let test = single_file_target(root, &model, &root.join("app/src/test/java/demo/MainTest.java")).unwrap();
-        assert!(test.test);
-        assert_eq!(test.out_dir, root.join("app/target/test-classes"));
-    }
-
-    #[test]
-    fn target_rejects_non_java_missing_and_unlinked_files() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        write(root, "app/pom.xml", "<project/>");
-        assert!(single_file_target(root, &model, &root.join("app/pom.xml")).is_err());
-        assert!(single_file_target(root, &model, &root.join("app/src/main/java/demo/Missing.java")).is_err());
-        write(root, "other/Main.java", "class Main {}");
-        assert!(single_file_target(root, &model, &root.join("other/Main.java")).is_err());
-    }
-
-    #[test]
-    fn javac_prefers_the_module_jdk_and_scopes_test_sources() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let file = root.join("app/src/test/java/demo/MainTest.java");
-        let target = single_file_target(root, &model, &file).unwrap();
-        let jdk = root.join("jdk");
-        fs::create_dir_all(jdk.join("bin")).unwrap();
-        let exe = if cfg!(windows) { "javac.exe" } else { "javac" };
-        fs::write(jdk.join("bin").join(exe), "fake").unwrap();
-        let mut target = target;
-        target.top.env.insert("JAVA_HOME".into(), jdk.to_string_lossy().into_owned());
-        let step = javac_step(&target, &file, "/repo/a.jar", &find_javac(&target.top.env)).unwrap();
-        assert!(step.program.ends_with(exe));
-        assert!(target.out_dir.is_dir());
-        let args = step.args.join(" ");
-        assert!(args.contains("-encoding UTF-8"), "{args}");
-        assert!(args.contains("-d ") && args.contains("test-classes"), "{args}");
-        assert!(args.contains("-cp /repo/a.jar"), "{args}");
-        assert!(args.contains("MainTest.java"), "{args}");
-        // Test sources resolve their own and the main sources, without writing them.
-        let sourcepath = step.args.iter().position(|a| a == "-sourcepath").map(|i| step.args[i + 1].clone());
-        let roots = sourcepath.expect("a -sourcepath");
-        assert!(roots.contains("src/test/java") && roots.contains("src/main/java"), "{roots}");
-        assert!(step.args.iter().any(|a| a == "-implicit:none"), "{args}");
-        // No `JAVA_HOME`: plain `javac` from `PATH`.
-        assert_eq!(find_javac(&BTreeMap::new()), exe);
-    }
-
-    /// The classpath probe runs the project's Maven command with `-pl … -am`
-    /// `dependency:build-classpath`; the fake `mvnw` below only records its
-    /// arguments and writes a canned classpath file for the `-pl` module.
-    #[cfg(unix)]
-    #[test]
-    fn classpath_probe_writes_one_file_per_module_and_reads_the_compiled_one() {
-        use std::os::unix::fs::PermissionsExt;
-
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        fixture(root);
-        let script = root.join("mvnw");
-        fs::write(
-            &script,
-            "#!/bin/sh\npl='.'\nwhile [ $# -gt 0 ]; do\nif [ \"$1\" = \"-pl\" ]; then pl=\"$2\"; shift 2; else shift; fi\ndone\nmkdir -p \"$pl/target\"\nprintf '/repo/a.jar:/repo/b.jar' > \"$pl/target/ide-compile-cp.txt\"\n",
-        )
-        .unwrap();
-        fs::set_permissions(&script, fs::Permissions::from_mode(0o755)).unwrap();
-        let model = crate::load(root, &root.join("cache"), None);
-        let file = root.join("app/src/main/java/demo/Main.java");
-        let target = single_file_target(root, &model, &file).unwrap();
-        assert!(target.top.command.ends_with("mvnw"));
-        assert_eq!(target.pl, "app");
-        let cp = single_file_classpath(root, &model, &target).unwrap();
-        let separator = ':';
-        // Reactor class directories first, so fresh outputs shadow installed snapshots.
-        let lib = root.join("lib/target/classes").to_string_lossy().into_owned();
-        assert!(cp.starts_with(&lib), "{cp}");
-        // The module's own classes come first once they exist.
-        fs::create_dir_all(root.join("app/target/classes")).unwrap();
-        let cp = single_file_classpath(root, &model, &target).unwrap();
-        let own = root.join("app/target/classes").to_string_lossy().into_owned();
-        assert!(cp.starts_with(&format!("{own}:{lib}")), "{cp}");
-        assert!(cp.contains("/repo/a.jar"), "{cp}");
-        assert!(cp.contains("/repo/b.jar"), "{cp}");
-        assert!(cp.split(separator).count() >= 3, "{cp}");
-    }
-}
@@ -1,253 +0,0 @@
-//! Up-to-date checks for menu builds (`Build Project` / `Build Module`, #2476).
-//!
-//! Menu builds have no fingerprint record on the launch path, so a second
-//! click always pays a full offline Maven run. This module stores one JSON
-//! record per scope (project, or one module file's build) after a successful
-//! build and compares it before the next build; on a match the build is
-//! skipped entirely. Like launch reuse, timestamp-preserving external edits
-//! are re-stamped first so Maven actually recompiles them on the next run.
-
-use super::*;
-use std::fs;
-
-/// Record of the last successful menu build of one scope.
-#[derive(serde::Serialize, serde::Deserialize)]
-struct Record {
-    fingerprint: LaunchFingerprint,
-    /// Output folders of the built projects that existed after the build, relative to the
-    /// project. Deleting one outside the IDE (`mvn clean` in a terminal) leaves every input
-    /// unchanged, so a build is skipped only while they are all still there.
-    #[serde(default)]
-    outputs: Vec<PathBuf>,
-}
-
-/// The build's output folders that exist now, relative to `root`.
-fn existing_outputs(root: &Path, fingerprint: &LaunchFingerprint) -> Vec<PathBuf> {
-    fingerprint
-        .project_dirs()
-        .flat_map(|dir| ["target/classes", "target/test-classes"].map(|out| dir.join(out)))
-        .filter(|rel| root.join(rel).is_dir())
-        .collect()
-}
-
-fn record_path(cache: &Path, root: &Path, file: Option<&Path>) -> PathBuf {
-    let base = cache.join("menu-build").join("records");
-    match file {
-        Some(f) => base.join(f.strip_prefix(root).unwrap_or(f)).with_extension("json"),
-        None => base.join("project.json"),
-    }
-}
-
-/// Re-stamps files whose content changed without advancing mtime (git
-/// checkout, external sync): timestamp-incremental Maven would otherwise skip
-/// them as "unchanged" and the rebuild would compile nothing.
-fn restamp(root: &Path, edits: &[PathBuf]) {
-    let now = std::time::SystemTime::now();
-    for rel in edits {
-        let path = root.join(rel);
-        let _ = fs::File::options().write(true).open(&path).and_then(|f| f.set_modified(now)).or_else(|_| {
-            fs::OpenOptions::new()
-                .create(true)
-                .truncate(false)
-                .write(true)
-                .open(&path)
-                .and_then(|f| f.set_modified(now))
-        });
-    }
-}
-
-/// Whether the last successful menu build of this scope is still fresh: its
-/// record exists and the fingerprint matches. On a mismatch caused by
-/// timestamp-preserving external edits the files are re-stamped first, so the
-/// rebuild Maven runs actually recompiles them.
-pub fn menu_up_to_date(
-    cache: &Path,
-    root: &Path,
-    model: &BuildModel,
-    file: Option<&Path>,
-    cancel: &CancellationToken,
-) -> bool {
-    let current = match menu_fingerprint(root, model, file, cancel) {
-        Ok(Some(current)) => current,
-        _ => return false,
-    };
-    let bytes = match fs::read(record_path(cache, root, file)) {
-        Ok(bytes) => bytes,
-        _ => return false,
-    };
-    let record: Record = match serde_json::from_slice(&bytes) {
-        Ok(record) => record,
-        _ => return false,
-    };
-    if record.fingerprint != current {
-        restamp(root, &record.fingerprint.mtime_preserved_edits(&current));
-        return false;
-    }
-    record.outputs.iter().all(|out| root.join(out).is_dir())
-}
-
-/// Records a successful menu build as the baseline for future up-to-date
-/// checks. Failures are swallowed: a missing record only costs one Maven run.
-pub fn record_menu_build(
-    cache: &Path,
-    root: &Path,
-    model: &BuildModel,
-    file: Option<&Path>,
-    cancel: &CancellationToken,
-) {
-    let current = match menu_fingerprint(root, model, file, cancel) {
-        Ok(Some(current)) => current,
-        _ => return,
-    };
-    // A torn write fails to parse later and is treated as "no record", so a
-    // plain write is enough.
-    let path = record_path(cache, root, file);
-    if path.parent().is_some_and(|p| fs::create_dir_all(p).is_err()) {
-        return;
-    }
-    let outputs = existing_outputs(root, &current);
-    let bytes = match serde_json::to_vec(&Record { fingerprint: current, outputs }) {
-        Ok(bytes) => bytes,
-        _ => return,
-    };
-    let _ = fs::write(&path, bytes);
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn write(root: &Path, rel: &str, value: &str) {
-        let path = root.join(rel);
-        fs::create_dir_all(path.parent().unwrap()).unwrap();
-        fs::write(path, value).unwrap();
-    }
-
-    fn fixture(root: &Path) -> BuildModel {
-        maven_two_module(root, "int x;");
-        BuildModel { maven: Some(maven::load(root)), ..Default::default() }
-    }
-
-    fn maven_two_module(root: &Path, extra_app: &str) {
-        write(
-            root,
-            "pom.xml",
-            r#"<project><modelVersion>4.0.0</modelVersion><groupId>t</groupId><artifactId>root</artifactId><version>1</version><packaging>pom</packaging><modules><module>app</module><module>lib</module></modules></project>"#,
-        );
-        write(
-            root,
-            "app/pom.xml",
-            r#"<project><modelVersion>4.0.0</modelVersion><parent><groupId>t</groupId><artifactId>root</artifactId><version>1</version></parent><artifactId>app</artifactId><dependencies><dependency><groupId>t</groupId><artifactId>lib</artifactId><version>1</version></dependency></dependencies></project>"#,
-        );
-        write(
-            root,
-            "lib/pom.xml",
-            r#"<project><modelVersion>4.0.0</modelVersion><parent><groupId>t</groupId><artifactId>root</artifactId><version>1</version></parent><artifactId>lib</artifactId></project>"#,
-        );
-        write(root, "app/src/main/java/t/A.java", &format!("package t; public class A {{ {extra_app} }}"));
-        write(root, "lib/src/main/java/t/L.java", "package t; public class L {}");
-    }
-
-    #[test]
-    fn record_then_skip_without_changes() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let cache = root.join("cache");
-        let file = root.join("app/src/main/java/t/A.java");
-        let cancel = CancellationToken::new();
-
-        assert!(!menu_up_to_date(&cache, root, &model, Some(&file), &cancel));
-        record_menu_build(&cache, root, &model, Some(&file), &cancel);
-        assert!(menu_up_to_date(&cache, root, &model, Some(&file), &cancel));
-        // The project scope is independent of the module scope.
-        assert!(!menu_up_to_date(&cache, root, &model, None, &cancel));
-        record_menu_build(&cache, root, &model, None, &cancel);
-        assert!(menu_up_to_date(&cache, root, &model, None, &cancel));
-    }
-
-    #[test]
-    fn deleted_outputs_invalidate_the_record() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let cache = root.join("cache");
-        let cancel = CancellationToken::new();
-        for out in ["app/target/classes/t", "lib/target/classes/t", "app/target/test-classes"] {
-            fs::create_dir_all(root.join(out)).unwrap();
-        }
-        record_menu_build(&cache, root, &model, None, &cancel);
-        assert!(menu_up_to_date(&cache, root, &model, None, &cancel));
-        // `mvn clean` outside the IDE: no input changed, but the classes are gone.
-        fs::remove_dir_all(root.join("lib/target")).unwrap();
-        assert!(!menu_up_to_date(&cache, root, &model, None, &cancel));
-        fs::create_dir_all(root.join("lib/target/classes")).unwrap();
-        assert!(menu_up_to_date(&cache, root, &model, None, &cancel));
-    }
-
-    #[test]
-    fn edit_invalidates_and_rerecord_restores_skip() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let cache = root.join("cache");
-        let file = root.join("app/src/main/java/t/A.java");
-        let cancel = CancellationToken::new();
-
-        record_menu_build(&cache, root, &model, Some(&file), &cancel);
-        assert!(menu_up_to_date(&cache, root, &model, Some(&file), &cancel));
-        write(root, "app/src/main/java/t/A.java", "package t; public class A { int y; }");
-        assert!(!menu_up_to_date(&cache, root, &model, Some(&file), &cancel));
-        record_menu_build(&cache, root, &model, Some(&file), &cancel);
-        assert!(menu_up_to_date(&cache, root, &model, Some(&file), &cancel));
-    }
-
-    #[test]
-    fn mtime_preserved_edit_forces_rebuild_and_restamps() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let cache = root.join("cache");
-        let rel = "app/src/main/java/t/A.java";
-        let file = root.join(rel);
-        let cancel = CancellationToken::new();
-
-        record_menu_build(&cache, root, &model, Some(&file), &cancel);
-        let before = fs::metadata(&file).unwrap().modified().unwrap();
-        // Same length, same mtime, different content: an external edit that
-        // preserved the timestamp.
-        write(root, rel, "package t; public class A { int z; }");
-        fs::File::options().write(true).open(&file).and_then(|f| f.set_modified(before)).unwrap();
-        assert!(!menu_up_to_date(&cache, root, &model, Some(&file), &cancel));
-        assert!(fs::metadata(&file).unwrap().modified().unwrap() > before);
-    }
-
-    #[test]
-    fn corrupt_record_never_skips() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        let cache = root.join("cache");
-        let file = root.join("app/src/main/java/t/A.java");
-        let cancel = CancellationToken::new();
-
-        fs::create_dir_all(cache.join("menu-build").join("records").join("app/src/main/java/t")).unwrap();
-        fs::write(cache.join("menu-build").join("records").join("app/src/main/java/t/A.json"), b"{not json").unwrap();
-        assert!(!menu_up_to_date(&cache, root, &model, Some(&file), &cancel));
-    }
-
-    #[test]
-    fn unsupported_builds_never_skip() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        write(root, "other/Main.java", "public class Main {}");
-        let cache = root.join("cache");
-        let cancel = CancellationToken::new();
-
-        // A file outside any non-aggregator module has no fingerprint.
-        let stray = root.join("other/Main.java");
-        record_menu_build(&cache, root, &model, Some(&stray), &cancel);
-        assert!(!menu_up_to_date(&cache, root, &model, Some(&stray), &cancel));
-    }
-}
@@ -8,24 +8,6 @@ def canon = { File f -> f.canonicalPath }
 // the identity path (`:lib:core`, `:buildSrc`) tells them apart and addresses their tasks
 // from the root build. Internal API, hence the fallback.
 def identity = { Project p -> try { p.identityPath.toString() } catch (ignored) { p.path } }
-// The task copying a source set's resources and its output folder, when it changes them on the
-// way (filters, `expand`, renames, includes / excludes, extra sources): jdtls copies resources as
-// they are, so launches take them from Gradle. Internal API, hence the fallback.
-def processedResources = { Project p, s ->
-    try {
-        def task = p.tasks.findByName(s.processResourcesTaskName)
-        if (task == null) return null
-        def specs = 0
-        def changes = task.mainSpec.sourcePaths.size() > 1
-        task.rootSpec.buildRootResolver().walk { r ->
-            specs++
-            changes |= !r.allCopyActions.isEmpty() || !r.allIncludes.isEmpty() || !r.allExcludes.isEmpty() ||
-                !r.allIncludeSpecs.isEmpty() || !r.allExcludeSpecs.isEmpty() || r.destPath.segments.length > 0
-        }
-        // The root and main specs exist for every task; more come from `from(…) { … }`.
-        (changes || specs > 2) ? [task: task.name, dir: canon(task.destinationDir)] : null
-    } catch (ignored) { null }
-}

 def describe = { Project p ->
    def m = [path: identity(p), dir: canon(p.projectDir), buildDir: canon(p.layout.buildDirectory.get().asFile)]
@@ -44,10 +26,7 @@ def describe = { Project p ->
            def test = s.name == 'test' || s.name == 'testFixtures' || suites.contains(s.name) ||
                s.name.endsWith('Test') || s.name.endsWith('Tests') ||
                (!src.isEmpty() && src.every { ideaTests.contains(it) })
-            def set = [name: s.name, test: test, src: src, res: res]
-            def processed = processedResources(p, s)
-            if (processed != null) set.processed = processed
-            set
+            [name: s.name, test: test, src: src, res: res]
        }
    }
    try {
@@ -335,19 +335,6 @@ pub struct ReportedSourceSet {
    /// Absolute resource folders.
    #[serde(default)]
    pub res: Vec<String>,
-    /// Set when Gradle changes the resources while copying them (filters, `expand`, renames,
-    /// includes / excludes, extra sources), which the Java language server's copy does not.
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub processed: Option<ProcessedResources>,
-}
-
-/// The task that copies a source set's resources, and where it writes them.
-#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize)]
-pub struct ProcessedResources {
-    /// Task name in its project (`processResources`).
-    pub task: String,
-    /// Absolute output folder.
-    pub dir: String,
 }

 const MODEL_LINE: &str = "@openidea-model\t";
@@ -528,18 +528,7 @@ mod tests {
            for (step, name) in plan.steps.iter().zip(["java", "kotlin"]) {
                assert_eq!(step.cwd, root.join(name));
                assert_eq!(step.program, format!("{name}-mvnw"));
-                assert_eq!(
-                    step.args,
-                    [
-                        "-B",
-                        "-Dstyle.color=never",
-                        crate::maven::LOCAL_REPO_TRACKING_ARG,
-                        "-o",
-                        "-Peditor",
-                        "-Djacoco.skip=true",
-                        "test-compile"
-                    ]
-                );
+                assert_eq!(step.args, ["-B", "-Dstyle.color=never", "-o", "-Peditor", "test-compile"]);
                assert_eq!(step.env.get("JAVA_HOME").map(String::as_str), Some("/jdk"));
            }
        }
@@ -16,16 +16,6 @@ use std::io::Read;
 use std::path::{Path, PathBuf};
 use std::sync::{Mutex, OnceLock};

-pub mod sources;
-
-/// Lets the IDE's own Maven runs (Reload, Build) use what the local repository already
-/// has. Maven 3.9 re-resolves an artifact whose recorded origin repository (`_remote.repositories`)
-/// isn't declared in the build, such as a vendor jar downloaded through another project or
-/// installed by hand, and fails when no declared repository has it. Tracking under another
-/// file name makes such artifacts count as locally installed. Maven goals the user runs keep
-/// plain Maven's behaviour.
-pub const LOCAL_REPO_TRACKING_ARG: &str = "-Daether.enhancedLocalRepository.trackingFilename=openidea.repositories";
-
 /// Phases shown under "Lifecycle" (IDEA's default list).
 pub const LIFECYCLE: &[&str] =
    &["clean", "validate", "compile", "test", "package", "verify", "install", "site", "deploy"];
@@ -507,7 +497,7 @@ pub fn user_settings_file(root: &Path, settings: &ide_core::settings::MavenSetti
 /// IDEA lists them): checked by default when `<activeProfiles>` names them or they are
 /// `activeByDefault`.
 pub fn settings_profiles(settings: &Path) -> Vec<MavenProfile> {
-    let Some(root) = xml::read_text(settings).as_deref().and_then(xml::parse) else {
+    let Some(root) = std::fs::read_to_string(settings).ok().and_then(|text| xml::parse(&text)) else {
        return Vec::new();
    };
    let active: Vec<String> =
@@ -527,7 +517,7 @@ pub fn settings_profiles(settings: &Path) -> Vec<MavenProfile> {
 /// `<localRepository>` of a settings file, when it names one: the repository a build
 /// with `-s <file>` resolves into, which is not necessarily the user's default.
 pub fn local_repository_of(settings: &Path) -> Option<PathBuf> {
-    let text = xml::read_text(settings)?;
+    let text = std::fs::read_to_string(settings).ok()?;
    let root = xml::parse(&text)?;
    let repo = root.text_of("localRepository")?.trim().to_owned();
    if repo.is_empty() {
@@ -553,7 +543,7 @@ impl Resolver {
    fn pom(&mut self, path: &Path) -> Option<RawPom> {
        self.poms
            .entry(path.to_path_buf())
-            .or_insert_with(|| xml::read_text(path).as_deref().and_then(parse_pom))
+            .or_insert_with(|| std::fs::read_to_string(path).ok().and_then(|t| parse_pom(&t)))
            .clone()
    }

@@ -744,7 +734,7 @@ pub(crate) fn launch_inputs(
                return None;
            }
            out.push(path.clone());
-            let text = xml::read_text(&path)?;
+            let text = std::fs::read_to_string(&path).ok()?;
            roots(&xml::parse(&text)?, "", &dir, &mut out)?;
            let raw = resolver.pom(&path)?;
            let Some(parent) = raw.parent else { break };
@@ -1648,7 +1638,7 @@ fn parent_chain(path: &Path, text: &str, local_repo: Option<PathBuf>) -> Vec<(Pa
        let Some(parent) = pom.and_then(|p| p.parent) else { return chain };
        let Some(pp) = resolver.parent_path(&dir, &parent) else { return chain };
        let pp = dunce::canonicalize(&pp).unwrap_or(pp);
-        let Some(next) = xml::read_text(&pp) else { return chain };
+        let Ok(next) = std::fs::read_to_string(&pp) else { return chain };
        pom = resolver.pom(&pp);
        dir = pp.parent().unwrap_or(Path::new("")).to_path_buf();
        chain.push((pp, next));
@@ -2305,24 +2295,6 @@ mod tests {
        assert!(!is_maven_project(&root.join("c")));
    }

-    #[test]
-    fn non_utf8_pom_with_declared_encoding_is_a_build() {
-        // Issue #2439: a GBK `pom.xml` is not valid UTF-8; it must still load
-        // instead of vanishing as "No maven project".
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        let (bytes, _, _) = encoding_rs::GBK.encode(
-            "<?xml version=\"1.0\" encoding=\"GBK\"?>\n<project><groupId>g</groupId>\
-             <artifactId>应用</artifactId><version>1</version><name>演示</name></project>",
-        );
-        std::fs::write(root.join("pom.xml"), bytes.as_ref()).unwrap();
-        let model = load_with_repo(root, None);
-        assert_eq!(model.projects.len(), 1);
-        assert_eq!(model.projects[0].artifact_id, "应用");
-        assert_eq!(model.projects[0].display_name, "演示");
-        assert!(is_maven_project(root));
-    }
-
    #[test]
    fn aggregate_pom_in_src_is_a_build() {
        // Issue #1001: `src/pom.xml` aggregating modules under `src/` is recognized,
@@ -1,124 +0,0 @@
-//! On-demand sources resolution using the project's Maven launcher and repositories.
-
-use super::MavenProject;
-use crate::process;
-use ide_core::{CancellationToken, IdeError, IdeResult};
-use std::path::{Component, Path, PathBuf};
-
-#[derive(Debug, PartialEq, Eq)]
-pub struct Artifact {
-    pub group: String,
-    pub name: String,
-    pub version: String,
-    pub sources: PathBuf,
-}
-
-/// Resolve only jars inside the selected local repository, including custom repositories.
-pub fn artifact(jar: &Path, repository: &Path) -> Option<Artifact> {
-    let relative = jar.strip_prefix(repository).ok()?;
-    let parts: Vec<&str> = relative
-        .components()
-        .map(|c| match c {
-            Component::Normal(s) => s.to_str(),
-            _ => None,
-        })
-        .collect::<Option<_>>()?;
-    if parts.len() < 4 {
-        return None;
-    }
-    let n = parts.len();
-    let (name, version, file) = (parts[n - 3], parts[n - 2], parts[n - 1]);
-    let valid = |s: &str| {
-        !s.is_empty() && s != "." && s != ".." && s.chars().all(|c| c.is_ascii_alphanumeric() || "_.-".contains(c))
-    };
-    if !parts[..n - 1].iter().all(|s| valid(s)) || file != format!("{name}-{version}.jar") {
-        return None;
-    }
-    Some(Artifact {
-        group: parts[..n - 3].join("."),
-        name: name.into(),
-        version: version.into(),
-        sources: jar.with_file_name(format!("{name}-{version}-sources.jar")),
-    })
-}
-
-pub fn download(
-    root: &Path,
-    project: &MavenProject,
-    artifact: &Artifact,
-    repository: &Path,
-    cancel: &CancellationToken,
-) -> IdeResult<Option<PathBuf>> {
-    if cancel.is_cancelled() {
-        return Err(IdeError::cancelled());
-    }
-    if artifact.sources.is_file() {
-        return Ok(Some(artifact.sources.clone()));
-    }
-    let mut args = vec!["-B".into(), "-N".into(), "-Dstyle.color=never".into()];
-    args.extend(project.options.clone());
-    args.extend([
-        format!("-Dmaven.repo.local={}", repository.display()),
-        "org.apache.maven.plugins:maven-dependency-plugin:3.8.1:get".into(),
-        format!("-Dartifact={}:{}:{}:jar:sources", artifact.group, artifact.name, artifact.version),
-        "-Dtransitive=false".into(),
-    ]);
-    let output = process::run(&project.command, &args, &root.join(&project.dir), &project.env, cancel, |_, _| {})?;
-    if cancel.is_cancelled() {
-        return Err(IdeError::cancelled());
-    }
-    if artifact.sources.is_file() {
-        return Ok(Some(artifact.sources.clone()));
-    }
-    let coordinate = format!("{}:{}:jar:sources:{}", artifact.group, artifact.name, artifact.version);
-    if output.success
-        || output.text.lines().any(|line| {
-            line.contains(&coordinate) && (line.contains("Could not find artifact") || line.contains("was not found"))
-        })
-    {
-        return Ok(None);
-    }
-    Err(IdeError::unavailable(
-        output.text.lines().rev().take(20).collect::<Vec<_>>().into_iter().rev().collect::<Vec<_>>().join("\n"),
-    ))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn resolves_sources_coordinates_from_maven_layouts() {
-        for repository in ["/home/me/.m2/repository", "/tmp/project repo", "C:/Users/me/.m2/repository"] {
-            for (group, name, version) in [
-                ("org/apache/commons", "commons-lang3", "3.17.0"),
-                ("com/example", "example-lib", "1.0-SNAPSHOT"),
-                ("single", "lib", "1.0.0-rc.1"),
-            ] {
-                let repository = Path::new(repository);
-                let dir = repository.join(group).join(name).join(version);
-                let found = artifact(&dir.join(format!("{name}-{version}.jar")), repository).unwrap();
-                assert_eq!(found.group, group.replace('/', "."));
-                assert_eq!(found.name, name);
-                assert_eq!(found.version, version);
-                assert_eq!(found.sources, dir.join(format!("{name}-{version}-sources.jar")));
-            }
-        }
-    }
-
-    #[test]
-    fn rejects_non_artifacts_and_paths_outside_the_repository() {
-        let repository = Path::new("/m2/repository");
-        for path in [
-            "/m2/repository-other/g/a/1/a-1.jar",
-            "/m2/repository/g/a/1/a-1-sources.jar",
-            "/m2/repository/g/a/1/other.jar",
-            "/m2/repository/g/a/../a-1.jar",
-            "/m2/repository/g/a/1/a-1.pom",
-            "/m2/repository/g/a-1.jar",
-            "/gradle/caches/modules-2/files-2.1/g/a/1/hash/a-1.jar",
-        ] {
-            assert_eq!(artifact(Path::new(path), repository), None, "{path}");
-        }
-    }
-}
@@ -73,9 +73,6 @@ struct GradleCache {
    /// The projects as Gradle evaluated them; empty in caches from before they were read.
    #[serde(default)]
    projects: Vec<ReportedProject>,
-    /// The projects report how their resources are processed; older caches are stale.
-    #[serde(default)]
-    resources: bool,
 }

 /// Init script printing every project, its source sets and Java version once configured.
@@ -247,12 +244,11 @@ pub fn apply_gradle_cache(root: &Path, cache_dir: &Path, model: &mut GradleModel
            }
        }
    }
-    // A successful sync from before projects were cached has not seen computed includes,
-    // nor, before resources were read, which launches need Gradle to process them.
-    let outdated = cache.error.is_none() && (cache.projects.is_empty() || !cache.resources);
+    // A successful sync from before projects were cached has not seen computed includes.
+    let without_projects = cache.error.is_none() && cache.projects.is_empty();
    model.synced_at = Some(cache.at_ms);
    model.sync_error = cache.error;
-    model.stale = outdated || cache.hash != hash_gradle_files(&gradle::build_files(root, model));
+    model.stale = without_projects || cache.hash != hash_gradle_files(&gradle::build_files(root, model));
 }

 // ---------------------------------------------------------------- processes
@@ -345,13 +341,7 @@ pub fn sync_maven(
        // `-T1` keeps mvnd serial: its default parallel build interleaves the
        // `dependency:tree` output of concurrent modules, which the sync parses
        // as one stream. mvn is serial anyway, so this only pins the daemon.
-        let mut args: Vec<String> = vec![
-            "-B".into(),
-            "-fae".into(),
-            "-Dstyle.color=never".into(),
-            "-T1".into(),
-            maven::LOCAL_REPO_TRACKING_ARG.into(),
-        ];
+        let mut args: Vec<String> = vec!["-B".into(), "-fae".into(), "-Dstyle.color=never".into(), "-T1".into()];
        args.extend(sync_maven_options(&options.maven_options));
        if options.offline {
            args.push("-o".into());
@@ -466,7 +456,6 @@ pub fn sync_gradle_model(
        error: (!out.success).then(|| error_summary(&out.text)),
        tasks: if out.success { gradle::parse_tasks(&out.text) } else { Vec::new() },
        projects,
-        resources: true,
    };
    write_cache(&cache_dir, GRADLE_CACHE, &cache)
 }
@@ -718,7 +707,6 @@ mod tests {
            test,
            src: src.iter().map(|p| core_src(p)).collect(),
            res: res.iter().map(|p| core_src(p)).collect(),
-            processed: None,
        };
        // A settings script's own println comes first; task listing lines follow.
        let out = format!(
@@ -743,15 +731,6 @@ mod tests {
        );
        let projects = parse_reported_projects(&out);
        assert_eq!(projects.len(), 3, "the malformed line is skipped");
-        // As the init script prints a set whose resources Gradle filters or renames.
-        let processed = parse_reported_projects(&format!(
-            "@openidea-model\t{}",
-            r#"{"path":":","dir":"/p","sourceSets":[{"name":"main","test":false,"src":[],"res":[],"processed":{"task":"processResources","dir":"/p/build/resources/main"}}]}"#
-        ));
-        assert_eq!(
-            processed[0].source_sets[0].processed,
-            Some(gradle::ProcessedResources { task: "processResources".into(), dir: "/p/build/resources/main".into() })
-        );
        let src = |p: &str| PathBuf::from(core_src(p));
        assert_eq!(
            gradle::reported_source_roots(&projects),
@@ -817,18 +796,12 @@ mod tests {
                    ..Default::default()
                })
                .collect(),
-            resources: true,
        };
        write_cache(&cache_dir, GRADLE_CACHE, &cache).unwrap();
        apply_gradle_cache(&root, &cache_dir, &mut model);
        assert_eq!(model.projects[1].tasks.len(), 1);
        assert!(model.projects[0].tasks.iter().any(|t| t.name == "wrapper"), "root keeps its defaults");
        assert!(!model.stale);
-        write_cache(&cache_dir, GRADLE_CACHE, &GradleCache { resources: false, ..cache.clone() }).unwrap();
-        let mut m = gradle::load(&root).unwrap();
-        apply_gradle_cache(&root, &cache_dir, &mut m);
-        assert!(m.stale, "synced before resource processing was read");
-        write_cache(&cache_dir, GRADLE_CACHE, &cache).unwrap();

        let stale_after = |script: &str| {
            std::fs::write(root.join("app/build.gradle"), script).unwrap();
@@ -862,7 +835,6 @@ mod tests {
                dir: root.to_string_lossy().into_owned(),
                ..Default::default()
            }],
-            resources: true,
            ..Default::default()
        };
        write_cache(&cache_dir, GRADLE_CACHE, &cache).unwrap();
@@ -3,57 +3,6 @@
 //! skipped. Namespace prefixes are dropped (`<x:project>` → `project`).
 //! Elements keep their byte offsets in the source, for edits ([`crate::pom_edit`]).

-use encoding_rs::Encoding;
-use std::path::Path;
-
-/// Reads an XML file, honoring its `encoding="…"` declaration: a GBK POM
-/// (issue #2439) is not valid UTF-8, and `read_to_string` would drop the
-/// whole project as "No maven project" while CLI Maven reads it fine.
-pub fn read_text(path: &Path) -> Option<String> {
-    std::fs::read(path).ok().map(|bytes| decode_bytes(&bytes))
-}
-
-/// Decodes XML bytes: BOM first, then the `encoding` declaration (ASCII in
-/// every single-byte encoding, so the head scans before decoding), then
-/// UTF-8, then a chardetng guess.
-pub fn decode_bytes(bytes: &[u8]) -> String {
-    if let Some((enc, len)) = Encoding::for_bom(bytes) {
-        let (text, _) = enc.decode_without_bom_handling(&bytes[len..]);
-        return text.into_owned();
-    }
-    if let Some(enc) = declared_encoding(bytes) {
-        let (text, _) = enc.decode_without_bom_handling(bytes);
-        return text.into_owned();
-    }
-    if let Ok(text) = std::str::from_utf8(bytes) {
-        return text.to_owned();
-    }
-    let mut detector = chardetng::EncodingDetector::new();
-    detector.feed(bytes, true);
-    let (text, _) = detector.guess(None, true).decode_without_bom_handling(bytes);
-    text.into_owned()
-}
-
-fn declared_encoding(bytes: &[u8]) -> Option<&'static Encoding> {
-    let head = std::str::from_utf8(bytes.get(..bytes.len().min(1024))?).ok()?;
-    let mut rest = head.split("?>").next().unwrap_or(head);
-    while let Some(i) = rest.find("encoding") {
-        rest = &rest[i + "encoding".len()..];
-        let Some(value) = rest.trim_start().strip_prefix('=') else { continue };
-        let value = value.trim_start();
-        let (&quote, after) = value.as_bytes().split_first()?;
-        if quote != b'"' && quote != b'\'' {
-            continue;
-        }
-        let after = std::str::from_utf8(after).ok()?;
-        let end = after.find(quote as char)?;
-        if let Some(enc) = Encoding::for_label(after[..end].trim().as_bytes()) {
-            return Some(enc);
-        }
-    }
-    None
-}
-
 #[derive(Clone, Debug, Default, PartialEq, Eq)]
 pub struct Element {
    pub name: String,
@@ -261,19 +210,4 @@ mod tests {
        assert!(parse("").is_none());
        assert!(parse("just text").is_none());
    }
-
-    #[test]
-    fn decodes_the_declared_encoding() {
-        // Issue #2439: a GBK POM is not valid UTF-8; decoding must honor the declaration.
-        let (bytes, _, _) =
-            encoding_rs::GBK.encode("<?xml version=\"1.0\" encoding=\"GBK\"?>\n<project><name>中文</name></project>");
-        let text = decode_bytes(&bytes);
-        assert_eq!(parse(&text).unwrap().text_of("name").as_deref(), Some("中文"));
-        // An unknown label falls back to UTF-8 rather than mis-decoding.
-        let text = decode_bytes(b"<?xml version=\"1.0\" encoding=\"X-UNKNOWN\"?>\n<project><name>ok</name></project>");
-        assert_eq!(parse(&text).unwrap().text_of("name").as_deref(), Some("ok"));
-        // No declaration: plain UTF-8 passes through untouched.
-        let text = decode_bytes("<project><name>plain</name></project>".as_bytes());
-        assert_eq!(parse(&text).unwrap().text_of("name").as_deref(), Some("plain"));
-    }
 }
@@ -11,6 +11,3 @@ license.workspace = true
 objc2 = { version = "0.6", default-features = false, features = ["std"] }
 objc2-foundation = { version = "0.3", default-features = false, features = ["std", "NSArray", "NSDictionary", "NSEnumerator", "NSObject", "NSString", "NSURL", "NSValue"] }
 objc2-app-kit = { version = "0.3", default-features = false, features = ["std", "NSPasteboard"] }
-
-[target.'cfg(target_os = "linux")'.dependencies]
-gtk = "0.18"
@@ -21,12 +21,6 @@

 use std::path::PathBuf;

-/// Replaces every clipboard flavor with plain text. `owner` is the calling window
-/// handle on Windows, ignored elsewhere. Call on the main thread on macOS and Linux.
-pub fn set_text(text: &str, owner: usize) -> std::io::Result<()> {
-    imp::set_text(text, owner)
-}
-
 /// Size of `DROPFILES`: `pFiles`, `pt` (two `LONG`s), `fNC`, `fWide`.
 const HEADER: usize = 20;

@@ -171,12 +165,8 @@ mod imp {
    /// Opens the clipboard as its owner: the list is written in full, so no
    /// owning window is needed.
    fn open() -> bool {
-        open_for(ptr::null_mut())
-    }
-
-    fn open_for(owner: Handle) -> bool {
        for _ in 0..OPEN_ATTEMPTS {
-            if unsafe { OpenClipboard(owner) } != 0 {
+            if unsafe { OpenClipboard(ptr::null_mut()) } != 0 {
                return true;
            }
            std::thread::sleep(OPEN_RETRY);
@@ -240,29 +230,6 @@ mod imp {
        }
    }

-    pub fn set_text(text: &str, owner: usize) -> std::io::Result<()> {
-        let (memory, _) = global_text(text);
-        if memory.is_null() {
-            return Err(std::io::Error::last_os_error());
-        }
-        // SAFETY: ownership transfers only on success; otherwise we free the allocation.
-        unsafe {
-            if !open_for(owner as Handle) {
-                GlobalFree(memory);
-                return Err(std::io::Error::last_os_error());
-            }
-            let taken = EmptyClipboard() != 0 && !SetClipboardData(CF_UNICODETEXT, memory).is_null();
-            let error = std::io::Error::last_os_error();
-            CloseClipboard();
-            if taken {
-                Ok(())
-            } else {
-                GlobalFree(memory);
-                Err(error)
-            }
-        }
-    }
-
    pub fn set_files(paths: &[PathBuf]) -> bool {
        let bytes = encode(paths);
        if bytes.len() <= HEADER {
@@ -373,19 +340,6 @@ mod imp {
        })
    }

-    pub fn set_text(text: &str, _owner: usize) -> std::io::Result<()> {
-        debug_assert!(MainThreadMarker::new().is_some(), "NSPasteboard access requires the main thread");
-        autoreleasepool(|_| {
-            let board = NSPasteboard::generalPasteboard();
-            board.clearContents();
-            if board.setString_forType(&NSString::from_str(text), unsafe { NSPasteboardTypeString }) {
-                Ok(())
-            } else {
-                Err(std::io::Error::other("Cannot write clipboard text"))
-            }
-        })
-    }
-
    pub fn set_files(paths: &[PathBuf]) -> bool {
        debug_assert!(MainThreadMarker::new().is_some(), "NSPasteboard access requires the main thread");
        autoreleasepool(|_| {
@@ -416,19 +370,6 @@ mod imp {
 mod imp {
    use std::path::PathBuf;

-    pub fn set_text(text: &str, _owner: usize) -> std::io::Result<()> {
-        #[cfg(target_os = "linux")]
-        {
-            gtk::Clipboard::get(&gtk::gdk::SELECTION_CLIPBOARD).set_text(text);
-            Ok(())
-        }
-        #[cfg(not(target_os = "linux"))]
-        {
-            let _ = text;
-            Err(std::io::Error::other("Clipboard text is unavailable on this platform"))
-        }
-    }
-
    pub fn has_files() -> bool {
        false
    }
@@ -7,6 +7,7 @@ license.workspace = true

 [dependencies]
 dunce.workspace = true
+percent-encoding = "2"
 encoding_rs.workspace = true
 serde.workspace = true
 serde_json.workspace = true
@@ -22,4 +23,4 @@ tempfile.workspace = true
 libc = "0.2"

 [target.'cfg(windows)'.dependencies]
-windows-sys = { version = "0.61", features = ["Wdk_System_SystemServices", "Win32_Foundation", "Win32_Globalization", "Win32_Security", "Win32_System_Diagnostics_ToolHelp", "Win32_System_IO", "Win32_System_JobObjects", "Win32_System_Registry", "Win32_System_SystemInformation", "Win32_System_Threading"] }
+windows-sys = { version = "0.61", features = ["Wdk_System_SystemServices", "Win32_Foundation", "Win32_Globalization", "Win32_Security", "Win32_System_Diagnostics_ToolHelp", "Win32_System_IO", "Win32_System_Registry", "Win32_System_SystemInformation", "Win32_System_Threading"] }
@@ -73,8 +73,6 @@ pub struct EditorAppearanceSettings {
    pub whitespace_inner: bool,
    pub whitespace_trailing: bool,
    pub indent_guides: bool,
-    /// Colour indent guides by depth (`--syn-rainbow-*`), while `indent_guides` is on.
-    pub rainbow_indent_guides: bool,
    /// Right margin and visual guides from Code Style.
    pub hard_wrap_guides: bool,
    pub intention_bulb: bool,
@@ -97,7 +95,6 @@ impl Default for EditorAppearanceSettings {
            whitespace_inner: true,
            whitespace_trailing: true,
            indent_guides: true,
-            rainbow_indent_guides: false,
            hard_wrap_guides: true,
            intention_bulb: true,
            distraction_free_width: 80,
@@ -333,23 +330,6 @@ pub struct InlayHintsSettings {
    pub code_vision_usages: bool,
    /// Code vision: last author of a declaration (VCS blame) beside its usages.
    pub code_vision_author: bool,
-    /// Code vision: "no usages" on declarations nothing uses (IDEA shows it; clicking searches everywhere).
-    pub code_vision_no_usages: bool,
-    /// Code vision: where the usages go, above the declaration or at the end of its line.
-    pub code_vision_usages_position: CodeVisionPosition,
-    /// Code vision: where the author goes, above the declaration or at the end of its line.
-    pub code_vision_author_position: CodeVisionPosition,
-}
-
-/// Editor › Inlay Hints › Code Vision position (IDEA's "Default position for metrics").
-#[derive(Clone, Copy, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum CodeVisionPosition {
-    /// A row of its own above the declaration.
-    #[default]
-    Top,
-    /// After the end of the declaration's first line.
-    Right,
 }

 impl Default for InlayHintsSettings {
@@ -361,9 +341,6 @@ impl Default for InlayHintsSettings {
            disabled_languages: Vec::new(),
            code_vision_usages: true,
            code_vision_author: true,
-            code_vision_no_usages: true,
-            code_vision_usages_position: CodeVisionPosition::Top,
-            code_vision_author_position: CodeVisionPosition::Top,
        }
    }
 }
@@ -42,10 +42,6 @@ pub enum IdeEvent {
        created: Vec<crate::IpcPath>,
        modified: Vec<crate::IpcPath>,
        removed: Vec<crate::IpcPath>,
-        /// Subtrees whose ignore rules changed, after the matchers were rebuilt.
-        #[serde(default)]
-        #[specta(optional)]
-        ignore_rules: Vec<crate::IpcPath>,
    },
    /// Excluded or ignored folders whose contents changed; they stay out of `FsChanged`.
    ExcludedDirsChanged {
@@ -152,12 +148,6 @@ pub enum IdeEvent {
    SettingsChanged {
        key: String,
    },
-    UpdateStatusChanged {
-        status: crate::updates::UpdateStatus,
-    },
-    UpdateAvailable {
-        update: crate::updates::UpdateInfo,
-    },
    /// The project's source / test / resource / excluded roots changed (build files
    /// changed or folders were marked); the UI re-reads them with `project_roots`.
    ProjectRootsChanged {
@@ -273,32 +263,6 @@ pub enum DebugEvent {
        change_type: String,
        message: String,
    },
-    /// The session's capabilities changed after it started: fetch them again.
-    Capabilities,
-    /// The adapter's `invalidated` event: what it shows for `areas` (`all`, `stacks`, `threads`,
-    /// `variables`; empty means all) is stale and has to be fetched again.
-    Invalidated {
-        areas: Vec<String>,
-    },
-    JvmBackend {
-        state: JvmBackendState,
-    },
-}
-
-/// The backend that reads a debugged JVM's objects (instances, fields, referrers).
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(tag = "kind", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmBackendState {
-    Ready,
-    /// Turned off for the rest of the session: the debug adapter lacks what it needs.
-    Unsupported {
-        detail: String,
-    },
-    /// The Kotlin JDWP link only forwards now; inspecting stops.
-    Degraded {
-        detail: String,
-    },
-    Closed,
 }

 /// Where backend crates publish [`IdeEvent`]s. Cheap to clone via `Arc`.
@@ -320,27 +284,3 @@ pub struct NullSink;
 impl EventSink for NullSink {
    fn emit(&self, _: IdeEvent) {}
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use serde_json::json;
-
-    #[test]
-    fn jvm_backend_events_json_shape() {
-        let degraded = DebugEvent::JvmBackend { state: JvmBackendState::Degraded { detail: "x".into() } };
-        assert_eq!(
-            serde_json::to_value(&degraded).unwrap(),
-            json!({"kind": "jvmBackend", "state": {"kind": "degraded", "detail": "x"}})
-        );
-        assert_eq!(serde_json::to_value(DebugEvent::Capabilities).unwrap(), json!({"kind": "capabilities"}));
-    }
-
-    #[test]
-    fn invalidated_event_json_shape() {
-        assert_eq!(
-            serde_json::to_value(DebugEvent::Invalidated { areas: vec!["variables".into()] }).unwrap(),
-            json!({"kind": "invalidated", "areas": ["variables"]})
-        );
-    }
-}
@@ -16,6 +16,7 @@ pub mod ipc_path;
 pub mod java_runtime;
 pub mod jsonc;
 pub mod output_encoding;
+pub mod path_mapping;
 pub mod platform;
 pub mod process;
 pub mod project_dir;
@@ -26,7 +27,6 @@ pub mod settings;
 pub mod task;
 pub mod text;
 pub mod tool_path;
-pub mod updates;
 pub mod version_managers;
 pub mod workflow_settings;
 pub mod wsl;
@@ -21,32 +21,6 @@

 use std::collections::BTreeMap;

-/// Removes ANSI escape sequences (colour, cursor movement).
-pub fn strip_ansi(s: &str) -> String {
-    if !s.contains('\u{1b}') {
-        return s.to_owned();
-    }
-    let mut out = String::with_capacity(s.len());
-    let mut chars = s.chars().peekable();
-    while let Some(c) = chars.next() {
-        if c != '\u{1b}' {
-            out.push(c);
-            continue;
-        }
-        if chars.peek() == Some(&'[') {
-            chars.next();
-            for c in chars.by_ref() {
-                if c.is_ascii_alphabetic() || c == '~' {
-                    break;
-                }
-            }
-        } else {
-            chars.next();
-        }
-    }
-    out
-}
-
 /// Decodes complete lines or collected output from IDE-managed tools, preferring UTF-8.
 /// Windows launcher/native diagnostics fall back to the system ANSI code page.
 /// Callers must buffer incomplete lines so multibyte characters are never split.
@@ -0,0 +1,193 @@
+//! Lexical path translation at protocol boundaries, independent of LSP or DAP.
+use percent_encoding::{CONTROLS, percent_decode_str, utf8_percent_encode};
+use serde_json::Value;
+
+const ESCAPES: &percent_encoding::AsciiSet = &CONTROLS
+    .add(b' ')
+    .add(b'"')
+    .add(b'#')
+    .add(b'%')
+    .add(b'<')
+    .add(b'>')
+    .add(b'?')
+    .add(b'[')
+    .add(b']')
+    .add(b'\\')
+    .add(b'^')
+    .add(b'`')
+    .add(b'{')
+    .add(b'|')
+    .add(b'}');
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct PathMapping {
+    host: String,
+    target: String,
+    windows: bool,
+}
+
+#[derive(Clone, Copy)]
+pub enum Direction {
+    ToTarget,
+    ToHost,
+}
+
+fn normalized(path: &str) -> String {
+    let path = path
+        .strip_prefix(r"\\?\UNC\")
+        .map(|p| format!("//{p}"))
+        .unwrap_or_else(|| path.strip_prefix(r"\\?\").unwrap_or(path).to_owned());
+    let path = path.replace('\\', "/");
+    if path == "/" { path } else { path.trim_end_matches('/').to_owned() }
+}
+
+pub fn file_path(uri: &str) -> Option<String> {
+    if !uri.get(..7)?.eq_ignore_ascii_case("file://") {
+        return None;
+    }
+    let rest = &uri[7..];
+    let path = if rest.starts_with('/') {
+        rest.to_owned()
+    } else {
+        let (authority, path) = rest.split_once('/')?;
+        if authority.eq_ignore_ascii_case("localhost") { format!("/{path}") } else { format!("//{authority}/{path}") }
+    };
+    let decoded = percent_decode_str(path.split(['?', '#']).next()?).decode_utf8().ok()?;
+    let path = decoded.strip_prefix('/').filter(|p| p.as_bytes().get(1) == Some(&b':')).unwrap_or(&decoded);
+    Some(path.to_owned())
+}
+
+pub fn file_uri(path: &str) -> String {
+    let path = normalized(path);
+    format!("file://{}{}", if path.starts_with('/') { "" } else { "/" }, utf8_percent_encode(&path, ESCAPES))
+}
+
+impl PathMapping {
+    pub fn new(host: &str, target: &str) -> Self {
+        let host = normalized(host);
+        let windows = host.as_bytes().get(1) == Some(&b':') || host.starts_with("//");
+        Self { host, target: normalized(target), windows }
+    }
+
+    pub fn map(&self, value: &str, direction: Direction) -> Option<String> {
+        let uri_path = file_path(value);
+        let is_uri = uri_path.is_some();
+        let path = normalized(uri_path.as_deref().unwrap_or(value));
+        let (from, to) = match direction {
+            Direction::ToTarget => (&self.host, &self.target),
+            Direction::ToHost => (&self.target, &self.host),
+        };
+        let prefix = path.get(..from.len())?;
+        let same = if self.windows && matches!(direction, Direction::ToTarget) {
+            prefix.eq_ignore_ascii_case(from)
+        } else {
+            prefix == from
+        };
+        if !same {
+            return None;
+        }
+        let suffix = &path[from.len()..];
+        if !suffix.is_empty() && !suffix.starts_with('/') && from != "/" {
+            return None;
+        }
+        // Never let lexical parent segments escape either mapped root.
+        if suffix.split('/').any(|p| p == ".." || p == ".") {
+            return None;
+        }
+        let mapped = format!("{}/{}", to.trim_end_matches('/'), suffix.trim_start_matches('/'));
+        let mapped = if suffix.is_empty() { to.clone() } else { mapped };
+        Some(if is_uri {
+            let suffix = value.find(['?', '#']).map(|i| &value[i..]).unwrap_or("");
+            format!("{}{suffix}", file_uri(&mapped))
+        } else if self.windows && matches!(direction, Direction::ToHost) {
+            mapped.replace('/', "\\")
+        } else {
+            mapped
+        })
+    }
+
+    pub fn rewrite(&self, value: &mut Value, direction: Direction) {
+        rewrite_strings(value, &|s| self.map(s, direction));
+    }
+}
+
+/// Rewrites strings and object keys (WorkspaceEdit.changes uses URIs as keys).
+/// Resolve tokens and command arguments remain opaque; source text is never a path.
+pub fn rewrite_strings(value: &mut Value, map: &dyn Fn(&str) -> Option<String>) {
+    match value {
+        Value::String(s) => {
+            if let Some(mapped) = map(s) {
+                *s = mapped;
+            }
+        }
+        Value::Array(items) => items.iter_mut().for_each(|v| rewrite_strings(v, map)),
+        Value::Object(fields) => {
+            let old = std::mem::take(fields);
+            for (key, mut value) in old {
+                if !matches!(key.as_str(), "data" | "arguments" | "text" | "newText" | "insertText") {
+                    rewrite_strings(&mut value, map);
+                }
+                fields.insert(map(&key).unwrap_or(key), value);
+            }
+        }
+        _ => {}
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde_json::json;
+
+    #[test]
+    fn roots_encoding_boundaries_and_windows() {
+        for host in ["C:/Users/me/项目", r"C:\Users\me\项目", r"\\?\C:\Users\me\项目"] {
+            let m = PathMapping::new(host, "/app");
+            assert_eq!(m.map(r"\\?\c:\Users\me\项目\a b#%.php", Direction::ToTarget).unwrap(), "/app/a b#%.php");
+            assert_eq!(
+                m.map("file:///C:/Users/me/%E9%A1%B9%E7%9B%AE/a%20b%23%25.php", Direction::ToTarget).unwrap(),
+                "file:///app/a%20b%23%25.php"
+            );
+            assert_eq!(
+                m.map("file:///app/a%20b%23%25.php", Direction::ToHost).unwrap(),
+                "file:///C:/Users/me/%E9%A1%B9%E7%9B%AE/a%20b%23%25.php"
+            );
+            assert_eq!(m.map("/app/a.php", Direction::ToHost).unwrap(), r"C:\Users\me\项目\a.php");
+            for outside in ["/app2/a", "/vendor/a", "/app/../outside", "jdt://app/a"] {
+                assert!(m.map(outside, Direction::ToHost).is_none());
+            }
+        }
+        let unc = PathMapping::new(r"\\?\UNC\server\share\project", "/app");
+        assert_eq!(unc.map("file://server/share/project/a.php", Direction::ToTarget).unwrap(), "file:///app/a.php");
+        assert_eq!(unc.map("/app/a.php", Direction::ToHost).unwrap(), r"\\server\share\project\a.php");
+        let m = PathMapping::new("/home/me/project", "/app");
+        assert_eq!(m.map("/home/me/project", Direction::ToTarget).unwrap(), "/app");
+        assert_eq!(m.map("file://localhost/app/a", Direction::ToHost).unwrap(), "file:///home/me/project/a");
+        assert!(m.map("/home/me/project2/a", Direction::ToTarget).is_none());
+        assert_eq!(
+            m.map("file:///app/a%23b?query#fragment", Direction::ToHost).unwrap(),
+            "file:///home/me/project/a%23b?query#fragment"
+        );
+    }
+
+    #[test]
+    fn nested_messages_resource_operations_and_opaque_payloads() {
+        let m = PathMapping::new("/host/project", "/app");
+        let mut v = json!({"rootUri":"file:///host/project", "rootPath":"/host/project", "workspaceFolders":[{"uri":"file:///host/project"}],
+            "edit":{"changes":{"file:///host/project/a":[]}, "documentChanges":[{"oldUri":"file:///host/project/a", "newUri":"file:///host/project/b"}]},
+            "relatedInformation":[{"location":{"uri":"file:///host/project/a"}}], "target":"file:///host/project/b",
+            "configuration":[{"includePath":"/host/project/vendor"}], "text":"/host/project/a", "newText":"/host/project/b", "data":{"uri":"file:///host/project/a"}, "command":{"arguments":["/host/project/a"]}});
+        let original = v.clone();
+        m.rewrite(&mut v, Direction::ToTarget);
+        assert_eq!(v["rootUri"], "file:///app");
+        assert_eq!(v["rootPath"], "/app");
+        assert!(v["edit"]["changes"].get("file:///app/a").is_some());
+        assert_eq!(v["edit"]["documentChanges"][0]["newUri"], "file:///app/b");
+        assert_eq!(v["relatedInformation"][0]["location"]["uri"], "file:///app/a");
+        assert_eq!(v["configuration"][0]["includePath"], "/app/vendor");
+        assert_eq!(v["data"], original["data"]);
+        assert_eq!(v["command"], original["command"]);
+        m.rewrite(&mut v, Direction::ToHost);
+        assert_eq!(v, original);
+    }
+}
@@ -72,75 +72,6 @@ pub fn kill_tree_of(pid: u32) {
    let _ = pid;
 }

-/// Whether a process with this id exists. PID reuse makes this conservative: a reused id keeps
-/// whatever was tied to the old process alive, a live process is never reported dead.
-pub fn process_alive(pid: u32) -> bool {
-    // `kill(0, 0)` would signal the caller's own process group.
-    if pid == 0 {
-        return false;
-    }
-    #[cfg(unix)]
-    {
-        // Above `i32::MAX` the id would wrap to a negative value, which `kill` reads as a group.
-        let Ok(pid) = libc::pid_t::try_from(pid) else { return false };
-        // SAFETY: signal 0 delivers nothing; it only checks that the process exists and is reachable.
-        unsafe { libc::kill(pid, 0) == 0 || std::io::Error::last_os_error().raw_os_error() == Some(libc::EPERM) }
-    }
-    #[cfg(windows)]
-    {
-        use std::os::windows::io::{AsRawHandle, FromRawHandle, OwnedHandle};
-        use windows_sys::Win32::Foundation::{ERROR_ACCESS_DENIED, GetLastError, STILL_ACTIVE};
-        use windows_sys::Win32::System::Threading::{
-            GetExitCodeProcess, OpenProcess, PROCESS_QUERY_LIMITED_INFORMATION,
-        };
-
-        // SAFETY: plain call; a non-null result is a process handle owned by this function.
-        let handle = unsafe { OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, 0, pid) };
-        if handle.is_null() {
-            // A process we may not open still exists.
-            // SAFETY: reads the thread's last error, set by the call above.
-            return unsafe { GetLastError() } == ERROR_ACCESS_DENIED;
-        }
-        // SAFETY: `handle` is valid and nobody else owns it.
-        let handle = unsafe { OwnedHandle::from_raw_handle(handle) };
-        let mut code = 0u32;
-        // SAFETY: a live process handle opened with query access; one out-parameter.
-        let ok = unsafe { GetExitCodeProcess(handle.as_raw_handle(), &mut code) };
-        // A handle that cannot be queried is not evidence that the process is gone.
-        ok == 0 || code == STILL_ACTIVE as u32
-    }
-    #[cfg(not(any(unix, windows)))]
-    {
-        true
-    }
-}
-
-/// The program and everything it started: an adapter may report the launcher shell, whose
-/// child is the debugged program, so stopping only the reported pid leaves the program alive.
-#[cfg(unix)]
-pub fn process_tree(pid: i32) -> Vec<i32> {
-    use std::collections::HashMap;
-    let Ok(out) = std::process::Command::new("ps").args(["-A", "-o", "pid=,ppid="]).output() else {
-        return vec![pid];
-    };
-    let mut children: HashMap<i32, Vec<i32>> = HashMap::new();
-    for line in String::from_utf8_lossy(&out.stdout).lines() {
-        let mut it = line.split_whitespace();
-        let (Some(p), Some(parent)) = (it.next(), it.next()) else { continue };
-        let (Ok(p), Ok(parent)) = (p.parse::<i32>(), parent.parse::<i32>()) else { continue };
-        children.entry(parent).or_default().push(p);
-    }
-    let mut tree = vec![pid];
-    let mut at = 0;
-    while at < tree.len() {
-        if let Some(kids) = children.get(&tree[at]) {
-            tree.extend(kids.iter().copied());
-        }
-        at += 1;
-    }
-    tree
-}
-
 /// [`kill_tree`] that first asks the group to exit: `SIGTERM`, then `grace`, then `SIGKILL`.
 /// Git removes its `index.lock` on `SIGTERM`, where `SIGKILL` leaves it behind and the next
 /// git command fails. Windows has no such signal to send from outside the child's console,
@@ -173,8 +104,6 @@ fn signal_group(child: &Child, signal: libc::c_int) {
 #[cfg(windows)]
 const TREE_EXIT_WAIT: Duration = Duration::from_secs(5);

-#[cfg(windows)]
-pub use windows_job::Job;
 #[cfg(windows)]
 pub use windows_tree::ProcessTree;

@@ -322,167 +251,6 @@ mod windows_tree {
    }
 }

-/// A kernel job object over one launched process tree. Everything a launch starts joins
-/// the job by inheritance, so [`Job::terminate`] ends the whole tree — also processes
-/// started after the launch's snapshot was taken, orphans of a launcher that already
-/// exited (where a `taskkill /T /F` from the tracked pid no longer finds them), and
-/// processes born in the window a process-enumeration kill would miss. Spawns assign
-/// their root right after it starts; when the assignment fails (an enclosing job that
-/// disallows nesting, an already-exited pid), callers fall back to `taskkill /T /F`.
-#[cfg(windows)]
-mod windows_job {
-    use std::mem::size_of;
-    use std::os::windows::io::{AsRawHandle, FromRawHandle, OwnedHandle, RawHandle};
-    use windows_sys::Win32::Foundation::{ERROR_MORE_DATA, INVALID_HANDLE_VALUE};
-    use windows_sys::Win32::System::JobObjects::{
-        AssignProcessToJobObject, CreateJobObjectW, JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE,
-        JOBOBJECT_BASIC_LIMIT_INFORMATION, JOBOBJECT_BASIC_PROCESS_ID_LIST, JOBOBJECT_EXTENDED_LIMIT_INFORMATION,
-        JobObjectBasicProcessIdList, JobObjectExtendedLimitInformation, QueryInformationJobObject,
-        SetInformationJobObject, TerminateJobObject,
-    };
-    use windows_sys::Win32::System::Threading::{IO_COUNTERS, OpenProcess, PROCESS_SET_QUOTA, PROCESS_TERMINATE};
-
-    /// A job object holding one launch's processes. The handle is kept open for the
-    /// launch's lifetime: `KILL_ON_JOB_CLOSE` ends anything still in the job when the
-    /// launch record (a run entry, a debug session) is finally dropped.
-    pub struct Job(OwnedHandle);
-
-    impl Job {
-        /// Takes the just-started `child` into a new job, so everything it starts is in
-        /// there too. `None` when the job could not be made or the process rejected the
-        /// assignment (callers fall back to `taskkill /T /F` from the child's pid).
-        pub fn for_child(child: &std::process::Child) -> Option<Job> {
-            // SAFETY: the child's own handle is a live process handle.
-            Self::from_handle(child.as_raw_handle())
-        }
-
-        /// [`Job::for_child`] for a process known by its id (a PTY child, a follow-up run,
-        /// a `tokio` child). `None` when the id no longer names an openable process — a
-        /// caller that holds the child cannot have had it reaped, so this is a dead or
-        /// already-gone launch.
-        pub fn for_pid(pid: u32) -> Option<Job> {
-            // SAFETY: plain call; a non-null result is a process handle owned by the caller.
-            // Assignment needs `SET_QUOTA | TERMINATE` on the process.
-            let handle = unsafe { OpenProcess(PROCESS_SET_QUOTA | PROCESS_TERMINATE, 0, pid) };
-            if handle.is_null() {
-                return None;
-            }
-            // SAFETY: the handle was just opened and is owned here.
-            let handle = unsafe { OwnedHandle::from_raw_handle(handle) };
-            Self::from_handle(handle.as_raw_handle())
-        }
-
-        fn from_handle(handle: RawHandle) -> Option<Job> {
-            // SAFETY: plain calls; a non-null result is a job handle owned by the caller.
-            let job = unsafe { CreateJobObjectW(std::ptr::null(), std::ptr::null()) };
-            if job.is_null() || job == INVALID_HANDLE_VALUE {
-                return None;
-            }
-            // SAFETY: the job handle is owned here and `limits` is sized as the API requires.
-            let job = unsafe { OwnedHandle::from_raw_handle(job) };
-            let mut limits = JOBOBJECT_EXTENDED_LIMIT_INFORMATION {
-                BasicLimitInformation: JOBOBJECT_BASIC_LIMIT_INFORMATION {
-                    PerProcessUserTimeLimit: 0,
-                    PerJobUserTimeLimit: 0,
-                    LimitFlags: JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE,
-                    MinimumWorkingSetSize: 0,
-                    MaximumWorkingSetSize: 0,
-                    ActiveProcessLimit: 0,
-                    Affinity: 0,
-                    PriorityClass: 0,
-                    SchedulingClass: 0,
-                },
-                IoInfo: IO_COUNTERS {
-                    ReadOperationCount: 0,
-                    WriteOperationCount: 0,
-                    OtherOperationCount: 0,
-                    ReadTransferCount: 0,
-                    WriteTransferCount: 0,
-                    OtherTransferCount: 0,
-                },
-                ProcessMemoryLimit: 0,
-                JobMemoryLimit: 0,
-                PeakProcessMemoryUsed: 0,
-                PeakJobMemoryUsed: 0,
-            };
-            // SAFETY: the job handle is owned here and `limits` is sized as the API requires.
-            let ok = unsafe {
-                SetInformationJobObject(
-                    job.as_raw_handle(),
-                    JobObjectExtendedLimitInformation,
-                    &mut limits as *mut _ as *const _,
-                    size_of::<JOBOBJECT_EXTENDED_LIMIT_INFORMATION>() as u32,
-                )
-            };
-            if ok == 0 {
-                return None;
-            }
-            // SAFETY: the process handle belongs to the just-spawned child and outlives
-            // this call; the job handle is owned here.
-            let ok = unsafe { AssignProcessToJobObject(job.as_raw_handle(), handle) };
-            if ok == 0 {
-                return None;
-            }
-            Some(Job(job))
-        }
-
-        /// Adds another just-started root of the same launch to the job (a Go build's
-        /// follow-up run, a JVM a debug session starts itself). `false` when it did not
-        /// take; the process then relies on its own kill.
-        pub fn assign_pid(&self, pid: u32) -> bool {
-            // SAFETY: plain call; the handle is opened only to assign it, and the job
-            // handle is owned and valid.
-            let handle = unsafe { OpenProcess(PROCESS_SET_QUOTA | PROCESS_TERMINATE, 0, pid) };
-            if handle.is_null() {
-                return false;
-            }
-            // SAFETY: both handles are valid for the duration of the call.
-            let ok = unsafe { AssignProcessToJobObject(self.0.as_raw_handle(), handle) };
-            // SAFETY: the process handle was opened above and is owned here.
-            unsafe { drop(OwnedHandle::from_raw_handle(handle)) };
-            ok != 0
-        }
-
-        /// Terminates every process in the job. `false` when the call failed (the job
-        /// handle is invalid): callers then fall back to `taskkill /T /F`. Termination is
-        /// asynchronous; poll [`Job::is_running`] (bounded by [`TREE_EXIT_WAIT`]) until
-        /// the tree is gone.
-        pub fn terminate(&self) -> bool {
-            // SAFETY: a job handle owned here.
-            unsafe { TerminateJobObject(self.0.as_raw_handle(), 1) != 0 }
-        }
-
-        /// Whether any process of the launch is still in the job. When the job's state
-        /// cannot be read, reports gone: waits on this must not wedge, and a kill via
-        /// [`Job::terminate`] does not depend on the answer.
-        pub fn is_running(&self) -> bool {
-            // A list of one is the common case; `ERROR_MORE_DATA` says the real list is
-            // longer, which means there are processes.
-            let mut list = JOBOBJECT_BASIC_PROCESS_ID_LIST {
-                NumberOfAssignedProcesses: 0,
-                NumberOfProcessIdsInList: 0,
-                ProcessIdList: [0],
-            };
-            let mut returned = 0u32;
-            // SAFETY: the job handle is owned here and `list` is sized as the API requires.
-            let ok = unsafe {
-                QueryInformationJobObject(
-                    self.0.as_raw_handle(),
-                    JobObjectBasicProcessIdList,
-                    &mut list as *mut _ as *mut _,
-                    size_of::<JOBOBJECT_BASIC_PROCESS_ID_LIST>() as u32,
-                    &mut returned,
-                )
-            };
-            if ok != 0 {
-                list.NumberOfProcessIdsInList > 0
-            } else {
-                std::io::Error::last_os_error().raw_os_error() == Some(ERROR_MORE_DATA as i32)
-            }
-        }
-    }
-}
-
 /// Gives `cmd` the host's environment back when the IDE runs from an AppImage. `AppRun` and
 /// its hooks point `LD_LIBRARY_PATH`, `PATH`, `XDG_DATA_DIRS`, `GIO_MODULE_DIR`, `GTK_PATH`,
 /// `GST_PLUGIN_*`, ... into the mounted image for the IDE itself; a host program that
@@ -799,30 +567,6 @@ fn append_path_entries(path: &OsStr, extra: &OsStr) -> OsString {
 mod tests {
    use super::*;

-    #[test]
-    fn process_alive_tells_live_from_dead_pids() {
-        assert!(process_alive(std::process::id()));
-        assert!(!process_alive(0));
-        let mut cmd = if cfg!(windows) {
-            let mut cmd = Command::new("cmd");
-            cmd.args(["/C", "exit 0"]);
-            cmd
-        } else {
-            Command::new("true")
-        };
-        let mut child = cmd.spawn().unwrap();
-        let pid = child.id();
-        child.wait().unwrap();
-        drop(child);
-        assert!(!process_alive(pid));
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn process_alive_rejects_ids_that_are_not_a_single_process() {
-        assert!(!process_alive(u32::MAX));
-    }
-
    #[cfg(unix)]
    #[test]
    fn kill_tree_of_reaches_what_the_child_started() {
@@ -1143,25 +887,6 @@ mod tests {
        }
        assert_eq!(find_executable("nope", &search), None);
    }
-
-    #[cfg(unix)]
-    #[test]
-    fn process_tree_lists_the_child_of_a_shell() {
-        let mut cmd = Command::new("sh");
-        own_group(&mut cmd).args(["-c", "sleep 5 & wait"]);
-        let mut child = cmd.spawn().unwrap();
-        let sh_pid = child.id() as i32;
-        // The shell forks `sleep` after it starts, so the tree grows a moment later.
-        let deadline = std::time::Instant::now() + Duration::from_secs(2);
-        let mut tree = process_tree(sh_pid);
-        while tree.len() < 2 && std::time::Instant::now() < deadline {
-            std::thread::sleep(Duration::from_millis(20));
-            tree = process_tree(sh_pid);
-        }
-        kill_tree(&mut child);
-        assert_eq!(tree[0], sh_pid, "the pid itself comes first");
-        assert!(tree.len() >= 2 && tree[1..].iter().all(|p| *p != sh_pid), "the shell's child follows: {tree:?}");
-    }
 }

 #[cfg(all(test, unix))]
@@ -1231,66 +956,3 @@ mod kill_tests {
        assert!(started.elapsed() < Duration::from_secs(5));
    }
 }
-
-#[cfg(all(test, windows))]
-mod job_tests {
-    use super::*;
-    use std::os::windows::process::CommandExt;
-    use std::process::Stdio;
-    use std::time::Instant;
-
-    /// `cmd` that keeps a `ping` grandchild for a minute, like a launcher that started an
-    /// application: the job must reach both.
-    fn launch_tree() -> (std::process::Child, Job, ProcessTree) {
-        let mut cmd = Command::new("cmd");
-        cmd.args(["/D", "/S", "/C", "ping -n 60 127.0.0.1 >NUL"]).stdin(Stdio::null()).creation_flags(CREATE_NO_WINDOW);
-        let child = cmd.spawn().unwrap();
-        let job = Job::for_child(&child).expect("the job takes the launch");
-        let tree = ProcessTree::capture(child.id());
-        assert!(tree.is_running(), "cmd started a grandchild the job inherits");
-        (child, job, tree)
-    }
-
-    /// Termination is asynchronous: the job reports its processes gone while their
-    /// handles still wait, so wait on the handles (the reused-pid-proof oracle).
-    fn assert_gone(tree: &ProcessTree) {
-        let until = Instant::now() + Duration::from_secs(10);
-        while tree.is_running() {
-            assert!(Instant::now() < until, "the tree survived the job");
-            std::thread::sleep(Duration::from_millis(20));
-        }
-    }
-
-    #[test]
-    fn job_terminates_the_tree_the_root_started() {
-        let (mut child, job, tree) = launch_tree();
-        assert!(job.is_running());
-        assert!(job.terminate(), "TerminateJobObject succeeds");
-        // The captured tree's handles survive the root's death, so the wait below is the
-        // grandchild's, not a reused pid's.
-        assert_gone(&tree);
-        assert!(!job.is_running());
-        let _ = child.wait();
-    }
-
-    #[test]
-    fn a_later_spawned_root_joins_the_job() {
-        let (mut first, job, _) = launch_tree();
-        let mut cmd = Command::new("cmd");
-        cmd.args(["/D", "/S", "/C", "ping -n 60 127.0.0.1 >NUL"]).stdin(Stdio::null()).creation_flags(CREATE_NO_WINDOW);
-        let mut second = cmd.spawn().unwrap();
-        let second_tree = ProcessTree::capture(second.id());
-        assert!(job.assign_pid(second.id()), "the follow-up run joins the job");
-        assert!(job.terminate());
-        assert_gone(&second_tree);
-        let _ = first.wait();
-        let _ = second.wait();
-    }
-
-    #[test]
-    fn a_dead_pid_makes_no_job() {
-        // An id of a process this test cannot open (or that does not exist) gives no job,
-        // which is the callers' cue for the `taskkill /T /F` fallback.
-        assert!(Job::for_pid(u32::MAX).is_none());
-    }
-}
@@ -201,18 +201,7 @@ pub struct PluginRunTarget {
    pub args: Vec<String>,
    pub workdir_args: Vec<String>,
    pub container_root: Option<String>,
-    pub commands: Vec<PluginCommandOverride>,
-}
-
-/// Per-command argv prefix and optional replacement working-directory arguments.
-#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct PluginCommandOverride {
-    pub name: String,
-    pub args: Vec<String>,
-    /// None inherits the target's list; Some([]) suppresses it.
-    #[serde(default)]
-    pub workdir_args: Option<Vec<String>>,
+    pub commands: Vec<(String, Vec<String>)>,
 }

 #[cfg(test)]
@@ -48,6 +48,8 @@ pub struct Settings {
    /// Per language server, by name (`rust-analyzer`): launch and protocol
    /// options on top of the language definition, or a server defined here.
    pub language_servers: BTreeMap<String, LanguageServerSettings>,
+    /// Project language id → server and plugin target. Empty target uses the host.
+    pub language_server_targets: BTreeMap<String, LanguageServerTarget>,
    /// Editor › Inspections profiles.
    pub inspections: InspectionSettings,
    /// Editor › Natural Languages › Spelling.
@@ -59,18 +61,16 @@ pub struct Settings {
    /// Build, Execution, Deployment › Run Targets.
    pub run_targets: Vec<RunTarget>,
    pub cmake: CMakeSettings,
-    /// Settings › Agents.
+    /// Tools › Agents › Chat.
    pub agents: AgentSettings,
-    /// Agents › MCP Server (global only).
+    /// Tools › MCP Server (global only).
    pub mcp_server: McpServerSettings,
-    /// Tools › Agents: Command Execution Policy.
-    pub agent_security: AgentSecuritySettings,
    /// Plugin settings (`[contributes.settings]`): plugin id → its values by key.
    #[specta(type = BTreeMap<String, BTreeMap<String, specta_typescript::Unknown>>)]
    pub plugins: BTreeMap<String, serde_json::Map<String, serde_json::Value>>,
 }

-/// Settings › Agents: what the conversation shows and how messages are sent.
+/// What the meters in an agent task's header show.
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct AgentSettings {
@@ -82,190 +82,20 @@ pub struct AgentSettings {
    pub show_usage_limits: bool,
    /// What the session has cost so far, as the agent reports it.
    pub show_cost: bool,
-    /// A finished turn's work folds into one line under its message, leaving the reply.
-    pub fold_turns: bool,
-    /// Streaming text is revealed at a steady pace rather than chunk by chunk.
-    pub smooth_text: bool,
-    #[serde(deserialize_with = "or_default")]
-    #[specta(type = ThinkingDisplay)]
-    pub thinking: ThinkingDisplay,
-    #[serde(deserialize_with = "or_default")]
-    #[specta(type = ToolCallDisplay)]
-    pub tool_calls: ToolCallDisplay,
-    /// A tool call's output (a command's, a diff) is shown without opening it.
-    pub expand_tool_output: bool,
-    #[serde(deserialize_with = "or_default")]
-    #[specta(type = SendKey)]
-    pub send_with: SendKey,
-    /// What sending does while the agent works: queue the message for after the turn, or
-    /// send it into the turn.
-    #[serde(deserialize_with = "or_default")]
-    #[specta(type = WhileRunning)]
-    pub while_running: WhileRunning,
-    /// Settings new tasks of an agent start with: agent id → option id → value.
-    #[serde(deserialize_with = "agent_defaults")]
-    #[specta(type = BTreeMap<String, BTreeMap<String, String>>)]
-    pub defaults: BTreeMap<String, BTreeMap<String, String>>,
-    /// MCP servers passed to coding agents in `session/new`, `session/load` and `session/fork`,
-    /// keyed by server name (`[agents.mcpServers.<name>]`).
-    #[serde(deserialize_with = "or_default")]
-    #[specta(type = BTreeMap<String, AgentMcpServer>)]
-    pub mcp_servers: BTreeMap<String, AgentMcpServer>,
 }

 impl Default for AgentSettings {
    fn default() -> Self {
-        Self {
-            show_context_usage: true,
-            show_work_time: true,
-            show_usage_limits: true,
-            show_cost: false,
-            fold_turns: true,
-            smooth_text: true,
-            thinking: ThinkingDisplay::Auto,
-            tool_calls: ToolCallDisplay::Grouped,
-            expand_tool_output: false,
-            send_with: SendKey::Enter,
-            while_running: WhileRunning::Queue,
-            defaults: BTreeMap::new(),
-            mcp_servers: BTreeMap::new(),
-        }
+        Self { show_context_usage: true, show_work_time: true, show_usage_limits: true, show_cost: false }
    }
 }

-/// Transport of an MCP server configured in Settings › Agents › MCP Servers.
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum McpTransport {
-    #[default]
-    Stdio,
-    Http,
-    Sse,
-}
-
-/// An MCP server passed to coding agents in `session/new`, `session/load` and `session/fork`.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct AgentMcpServer {
-    #[serde(deserialize_with = "or_default")]
-    #[specta(type = McpTransport)]
-    pub transport: McpTransport,
-    pub enabled: bool,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    #[specta(optional)]
-    pub command: Option<String>,
-    #[serde(default, skip_serializing_if = "Vec::is_empty")]
-    pub args: Vec<String>,
-    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
-    pub env: BTreeMap<String, String>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    #[specta(optional)]
-    pub url: Option<String>,
-    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
-    pub headers: BTreeMap<String, String>,
-    /// Agent provider ids this server is enabled for (e.g. `["claude", "codex"]`);
-    /// empty means enabled for all agents.
-    #[serde(default, skip_serializing_if = "Vec::is_empty")]
-    pub agents: Vec<String>,
-}
-
-impl Default for AgentMcpServer {
-    fn default() -> Self {
-        Self {
-            transport: McpTransport::Stdio,
-            enabled: true,
-            command: None,
-            args: Vec::new(),
-            env: BTreeMap::new(),
-            url: None,
-            headers: BTreeMap::new(),
-            agents: Vec::new(),
-        }
-    }
-}
-
-/// A hand-edited value these settings don't know reads as the default, rather than
-/// failing the whole settings file.
-fn or_default<'de, D, T>(d: D) -> Result<T, D::Error>
-where
-    D: serde::Deserializer<'de>,
-    T: serde::de::DeserializeOwned + Default,
-{
-    Ok(serde_json::from_value(serde_json::Value::deserialize(d)?).unwrap_or_default())
-}
-
-/// [`AgentSettings::defaults`], keeping only the text values of each agent's table.
-fn agent_defaults<'de, D>(d: D) -> Result<BTreeMap<String, BTreeMap<String, String>>, D::Error>
-where
-    D: serde::Deserializer<'de>,
-{
-    let serde_json::Value::Object(agents) = serde_json::Value::deserialize(d)? else { return Ok(BTreeMap::new()) };
-    Ok(agents
-        .into_iter()
-        .filter_map(|(agent, options)| match options {
-            serde_json::Value::Object(options) => Some((
-                agent,
-                options
-                    .into_iter()
-                    .filter_map(|(k, v)| match v {
-                        serde_json::Value::String(v) => Some((k, v)),
-                        _ => None,
-                    })
-                    .collect(),
-            )),
-            _ => None,
-        })
-        .collect())
-}
-
-/// How the agent's reasoning shows.
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum ThinkingDisplay {
-    /// Open while it streams, folded once it ends.
-    #[default]
-    Auto,
-    Expanded,
-    Collapsed,
-}
-
-/// How tool calls between messages show.
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum ToolCallDisplay {
-    /// A run of calls is one line saying what they did ("Read 4 files · Edited 2 files").
-    #[default]
-    Grouped,
-    /// Each call on its own line.
-    Each,
-}
-
-/// The key that sends a message; the other one starts a new line.
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum SendKey {
-    #[default]
-    Enter,
-    ModEnter,
-}
-
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum WhileRunning {
-    #[default]
-    Queue,
-    Steer,
-}
-
-/// Agents › MCP Server: agents use the IDE's built-in tools.
+/// Tools › MCP Server: agents use the IDE's built-in tools.
 #[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct McpServerSettings {
    /// Serve the tools on 127.0.0.1 while the IDE runs.
    pub enabled: bool,
-    /// Run the tools that change the project or start processes without asking first
-    /// (IDEA's brave mode). Read from the IDE's own settings only, never a project's.
-    pub run_without_confirmation: bool,
 }

 /// Absent profiles retain automatic discovery for existing projects.
@@ -311,6 +141,14 @@ pub struct ToolSettings {
    pub path: String,
 }

+#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
+#[serde(default, rename_all = "camelCase")]
+pub struct LanguageServerTarget {
+    pub target: String,
+    /// Empty selects the first configured server for the language.
+    pub server: String,
+}
+
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct LanguageServerSettings {
@@ -405,6 +243,7 @@ impl Default for Settings {
            external_tools: Vec::new(),
            tools: BTreeMap::new(),
            language_servers: BTreeMap::new(),
+            language_server_targets: BTreeMap::new(),
            inspections: InspectionSettings::default(),
            spelling: SpellingSettings::default(),
            ssh: SshSettings::default(),
@@ -413,7 +252,6 @@ impl Default for Settings {
            cmake: CMakeSettings::default(),
            agents: AgentSettings::default(),
            mcp_server: McpServerSettings::default(),
-            agent_security: AgentSecuritySettings::default(),
            plugins: BTreeMap::new(),
        }
    }
@@ -439,10 +277,6 @@ pub struct CustomKeymap {
 pub struct GeneralSettings {
    pub reopen_last_project: bool,
    pub confirm_exit: bool,
-    /// When on, the last window closes instead of showing the Welcome screen.
-    pub close_without_welcome: bool,
-    /// When on, closing a window drops its saved editor tabs, so they are not restored next time.
-    pub close_tabs_with_window: bool,
    /// Where Open… puts a project while one is open: `ask` | `new` | `same` | `attach`.
    pub open_project_in: String,
    /// Initial folder of the Open / Clone dialogs; empty = the OS default.
@@ -458,11 +292,6 @@ pub struct GeneralSettings {
    pub project_name: String,
    /// Where updates come from: `auto` (the CNB mirror for the Chinese UI, else GitHub) | `github` | `cnb`.
    pub update_source: String,
-    pub auto_check_updates: bool,
-    /// System Settings › Updates: open the What's New page after the app starts a new version.
-    pub show_whats_new_after_update: bool,
-    /// The version the app last started with, so the first start after an update is recognisable.
-    pub last_run_version: String,
 }

 impl Default for GeneralSettings {
@@ -470,8 +299,6 @@ impl Default for GeneralSettings {
        Self {
            reopen_last_project: true,
            confirm_exit: true,
-            close_without_welcome: false,
-            close_tabs_with_window: false,
            open_project_in: "ask".into(),
            default_project_directory: String::new(),
            save_on_idle: false,
@@ -480,9 +307,6 @@ impl Default for GeneralSettings {
            power_save_mode: false,
            project_name: String::new(),
            update_source: "auto".into(),
-            auto_check_updates: true,
-            show_whats_new_after_update: true,
-            last_run_version: String::new(),
        }
    }
 }
@@ -537,21 +361,6 @@ impl Default for NotificationGroupSettings {
    }
 }

-/// Where the Navigation Bar (the file path breadcrumbs) is shown. Mirrors
-/// IDEA's `View | Appearance | Navigation Bar` (Top / Status Bar / Don't show).
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum NavigationBarPosition {
-    /// Above the editor, below the main menu / toolbar.
-    Top,
-    /// In the footer, next to the status bar widgets — the default, matching
-    /// where the bar lived before the three-state choice existed.
-    #[default]
-    StatusBar,
-    /// Not shown at all.
-    Hidden,
-}
-
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct AppearanceSettings {
@@ -586,7 +395,7 @@ pub struct AppearanceSettings {
    pub project_colors_in_toolbar: bool,
    pub dnd_with_alt_only: bool,
    pub menu_icons: bool,
-    /// `hamburger` | `merged` | `toolbar` (a separate row): main menu presentation in the frameless title bar.
+    /// `hamburger` | `merged`: main menu presentation in the frameless title bar.
    pub main_menu_style: String,
    /// A lone Alt press focuses or opens the main menu (IDEA `ide.windows.main.menu.focus.on.alt`).
    pub main_menu_alt: bool,
@@ -600,9 +409,6 @@ pub struct AppearanceSettings {
    /// View › Appearance › Toolbar; hidden leaves IDEA's compact window header.
    pub show_main_toolbar: bool,
    pub show_status_bar: bool,
-    /// View › Appearance › Navigation Bar: the file path breadcrumbs, shown in
-    /// the status bar by default, above the editor, or not at all.
-    pub navigation_bar: NavigationBarPosition,
    /// Status bar widgets shown (`true`) or hidden (`false`) by the user
    /// (status bar context menu); widgets not listed use their default.
    pub status_bar_widgets: BTreeMap<String, bool>,
@@ -675,7 +481,6 @@ impl Default for AppearanceSettings {
            widescreen_tool_windows: false,
            show_main_toolbar: true,
            show_status_bar: true,
-            navigation_bar: NavigationBarPosition::StatusBar,
            status_bar_widgets: BTreeMap::new(),
            main_toolbar: None,
        }
@@ -713,9 +518,6 @@ pub struct EditorSettings {
    /// Color Scheme › Language Defaults › Semantic highlighting: local variables and
    /// parameters get a colour derived from their name (IDEA's rainbow identifiers).
    pub semantic_highlighting: bool,
-    /// Docstring markup format whose tags and keywords the Python editor highlights
-    /// (`plain`, `rest`, `epytext`, `google`, `numpy`).
-    pub docstring_format: String,
    /// Color Scheme › Language Defaults › Rainbow brackets: `()`, `[]`, `{}` coloured by depth.
    pub rainbow_brackets: bool,
    pub ligatures: bool,
@@ -760,7 +562,6 @@ impl Default for EditorSettings {
            color_overrides: BTreeMap::new(),
            custom_schemes: BTreeMap::new(),
            semantic_highlighting: false,
-            docstring_format: "rest".into(),
            rainbow_brackets: false,
            ligatures: false,
            fallback_font: String::new(),
@@ -805,15 +606,6 @@ pub struct FileSettings {
    pub file_types: BTreeMap<String, FileTypeAssociation>,
    /// Override File Type: file (project-relative and `/`-separated, or absolute) → language id.
    pub file_type_overrides: BTreeMap<String, String>,
-    /// Compose detection choices, keyed by project-relative file path.
-    pub compose_file_overrides: BTreeMap<String, ComposeFileOverride>,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum ComposeFileOverride {
-    Kept,
-    Excluded,
 }

 /// One language's file name and hashbang patterns on top of its definition.
@@ -841,7 +633,6 @@ impl Default for FileSettings {
            local_history_max_mb: 512,
            file_types: BTreeMap::new(),
            file_type_overrides: BTreeMap::new(),
-            compose_file_overrides: BTreeMap::new(),
        }
    }
 }
@@ -863,7 +654,6 @@ pub struct LanguagesSettings {
    pub java: JavaSettings,
    pub ruby: RubySettings,
    pub markdown: MarkdownSettings,
-    pub arduino: ArduinoSettings,
 }

 impl Default for LanguagesSettings {
@@ -885,22 +675,10 @@ impl Default for LanguagesSettings {
            java: JavaSettings::default(),
            ruby: RubySettings::default(),
            markdown: MarkdownSettings::default(),
-            arduino: ArduinoSettings::default(),
        }
    }
 }

-/// Arduino tool discovery paths and default board FQBN, configured in `settings.toml`.
-#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct ArduinoSettings {
-    pub cli: String,
-    pub clangd: String,
-    pub language_server: String,
-    pub cli_config: String,
-    pub fqbn: String,
-}
-
 /// Languages & Frameworks › Markdown. Like IDEA's, it is application-level only.
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
@@ -1118,8 +896,6 @@ pub struct JavaSettings {
    /// Extra JVM options for the Java language server (jdtls), space-separated
    /// (VS Code's `java.jdt.ls.vmargs`).
    pub jdtls_vm_args: String,
-    /// Share one JDT LS across builds in an ordinary project window; other windows remain separate.
-    pub jdtls_shared: bool,
    /// Build Tools › Maven.
    pub maven: MavenSettings,
    /// Build Tools › Gradle.
@@ -1342,11 +1118,6 @@ pub struct ProjectStructureSettings {
    pub unmarked: Vec<String>,
    /// Content roots besides the project folder (absolute paths), shown and searched with it.
    pub content_roots: Vec<String>,
-    /// Other projects (absolute paths) this project depends on; indexed and navigable like content roots.
-    pub dependencies: Vec<String>,
-    /// Per-workspace-member dependencies: member root (IPC path) → the roots it depends on.
-    /// A member not listed here (or with an empty list) navigates only into itself.
-    pub member_dependencies: BTreeMap<String, Vec<String>>,
    /// "Exclude files": `;`-separated name patterns (`*.log;tmp*`) excluded at any depth.
    pub exclude_files: String,
    /// Project compiler output directory (relative to project root or absolute; empty = default).
@@ -1408,26 +1179,6 @@ impl Settings {
 mod tests {
    use super::*;

-    #[test]
-    fn window_close_settings_default_off_and_round_trip() {
-        for old in [r#"{}"#, r#"{"general":{"confirmExit":false}}"#] {
-            let settings: Settings = serde_json::from_str(old).unwrap();
-            assert!(!settings.general.close_without_welcome);
-            assert!(!settings.general.close_tabs_with_window);
-        }
-        for close_window in [false, true] {
-            for close_tabs in [false, true] {
-                let mut settings = Settings::default();
-                settings.general.close_without_welcome = close_window;
-                settings.general.close_tabs_with_window = close_tabs;
-                let json = serde_json::to_value(&settings).unwrap();
-                assert_eq!(json["general"]["closeWithoutWelcome"], close_window);
-                assert_eq!(json["general"]["closeTabsWithWindow"], close_tabs);
-                assert_eq!(serde_json::from_value::<Settings>(json).unwrap().general, settings.general);
-            }
-        }
-    }
-
    #[test]
    fn cmake_profile_argument_arrays_round_trip() {
        let mut settings = Settings::default();
@@ -1490,21 +1241,6 @@ mod tests {
        }
    }

-    #[test]
-    fn docstring_format_defaults_and_round_trips() {
-        let old: Settings = serde_json::from_str(r#"{"editor":{"semanticHighlighting":true}}"#).unwrap();
-        assert_eq!(old.editor.docstring_format, "rest");
-        assert_eq!(Settings::default().editor.docstring_format, "rest");
-        for format in ["plain", "rest", "epytext", "google", "numpy"] {
-            let mut settings = Settings::default();
-            settings.editor.docstring_format = format.into();
-            let json = serde_json::to_value(&settings).unwrap();
-            assert_eq!(json["editor"]["docstringFormat"], format);
-            let restored: Settings = serde_json::from_value(json).unwrap();
-            assert_eq!(restored.editor.docstring_format, format);
-        }
-    }
-
    #[test]
    fn tool_window_badges_default_on_and_round_trip() {
        let old: Settings = serde_json::from_str(r#"{"appearance":{"showToolWindowNames":true}}"#).unwrap();
@@ -1520,27 +1256,6 @@ mod tests {
        }
    }

-    #[test]
-    fn double_click_opens_diff_is_unset_by_default_and_round_trips() {
-        let old: Settings = serde_json::from_str(r#"{"vcs":{"commit":{"nonModal":true}}}"#).unwrap();
-        assert_eq!(old.vcs.commit.double_click_opens_diff, None);
-        // The unset value shows up as `null` in the defaults: `SettingsStore::set` only
-        // accepts a key path it finds there.
-        let json = serde_json::to_value(Settings::default()).unwrap();
-        assert_eq!(json["vcs"]["commit"]["doubleClickOpensDiff"], serde_json::Value::Null);
-        for on in [true, false] {
-            let mut settings = Settings::default();
-            settings.vcs.commit.double_click_opens_diff = Some(on);
-            let json = serde_json::to_value(&settings).unwrap();
-            assert_eq!(json["vcs"]["commit"]["doubleClickOpensDiff"], on);
-            let restored: Settings = serde_json::from_value(json).unwrap();
-            assert_eq!(restored.vcs.commit.double_click_opens_diff, Some(on));
-        }
-        // Explicit `null` reads back as unset.
-        let cleared: Settings = serde_json::from_str(r#"{"vcs":{"commit":{"doubleClickOpensDiff":null}}}"#).unwrap();
-        assert_eq!(cleared.vcs.commit.double_click_opens_diff, None);
-    }
-
    #[test]
    fn agent_meters_default_and_round_trip() {
        let old: Settings = serde_json::from_str(r#"{"agents":{"showCost":true}}"#).unwrap();
@@ -1555,22 +1270,6 @@ mod tests {
        assert_eq!(restored.agents, settings.agents);
    }

-    #[test]
-    fn hand_edited_agent_values_it_does_not_know_keep_the_rest() {
-        let settings: Settings = serde_json::from_str(
-            r#"{"editor":{"fontSize":17},"agents":{"thinking":"open","sendWith":"modEnter",
-                "defaults":{"claude":{"model":"opus","effort":3},"codex":"x"}}}"#,
-        )
-        .unwrap();
-        assert_eq!(settings.editor.font_size, 17.0);
-        assert_eq!(settings.agents.thinking, ThinkingDisplay::Auto);
-        assert_eq!(settings.agents.send_with, SendKey::ModEnter);
-        assert_eq!(
-            settings.agents.defaults,
-            BTreeMap::from([("claude".into(), BTreeMap::from([("model".into(), "opus".into())]))])
-        );
-    }
-
    #[test]
    fn main_menu_style_defaults_and_round_trips() {
        let old: Settings = serde_json::from_str(r#"{"appearance":{"compactMode":true}}"#).unwrap();
@@ -1778,26 +1477,6 @@ mod maven_linkage_tests {
    }
 }

-#[cfg(test)]
-mod java_settings_tests {
-    use super::*;
-
-    #[test]
-    fn shared_jdtls_defaults_off_and_round_trips() {
-        for old in [r#"{}"#, r#"{"jdk":"/jdk"}"#] {
-            let java: JavaSettings = serde_json::from_str(old).unwrap();
-            assert!(!java.jdtls_shared);
-        }
-        for shared in [false, true] {
-            let java = JavaSettings { jdtls_shared: shared, ..JavaSettings::default() };
-            let json = serde_json::to_value(&java).unwrap();
-            assert_eq!(json["jdtlsShared"], serde_json::json!(shared));
-            assert_eq!(serde_json::from_value::<JavaSettings>(json).unwrap(), java);
-        }
-        assert!(serde_json::from_str::<JavaSettings>(r#"{"jdtlsShared":"true"}"#).is_err());
-    }
-}
-
 #[cfg(test)]
 mod gradle_settings_tests {
    use super::*;
@@ -1,151 +0,0 @@
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::collections::HashSet;
-use std::time::{Duration, Instant};
-
-pub const CHECK_INTERVAL: Duration = Duration::from_secs(4 * 60 * 60);
-
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum UpdateSource {
-    #[default]
-    Github,
-    Cnb,
-}
-
-impl UpdateSource {
-    pub fn resolve(preference: &str, locale: &str, system_locale: &str) -> Self {
-        match preference {
-            "github" => return Self::Github,
-            "cnb" => return Self::Cnb,
-            _ => {}
-        }
-        let locale = locale.trim();
-        let locale = if matches!(locale, "" | "auto" | "system") { system_locale } else { locale };
-        if locale.split(['-', '_']).next().is_some_and(|base| base.eq_ignore_ascii_case("zh")) {
-            Self::Cnb
-        } else {
-            Self::Github
-        }
-    }
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct UpdateInfo {
-    pub version: String,
-    pub current_version: String,
-    pub notes: Option<String>,
-    pub date: Option<String>,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct UpdateCheck {
-    pub enabled: bool,
-    pub update: Option<UpdateInfo>,
-}
-
-#[derive(Clone, Debug, Default, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct UpdateStatus {
-    /// Unix milliseconds of the last successful check in this process.
-    pub last_checked: Option<f64>,
-    pub checking: bool,
-}
-
-/// One schedule and announcement history for the desktop process, independent of its windows.
-#[derive(Default)]
-pub struct UpdatePolicy {
-    attempted: Option<Instant>,
-    pub status: UpdateStatus,
-    announced: HashSet<String>,
-}
-
-impl UpdatePolicy {
-    pub fn due_in(&self, now: Instant) -> Duration {
-        self.attempted.map_or(Duration::ZERO, |at| CHECK_INTERVAL.saturating_sub(now.saturating_duration_since(at)))
-    }
-
-    pub fn begin(&mut self, now: Instant) {
-        self.attempted = Some(now);
-        self.status.checking = true;
-    }
-
-    pub fn finish(&mut self, checked_at: Option<f64>) {
-        self.status.checking = false;
-        if let Some(at) = checked_at {
-            self.status.last_checked = Some(at);
-        }
-    }
-
-    pub fn announced(&self, version: &str) -> bool {
-        self.announced.contains(version)
-    }
-
-    /// Manual checks always show their result, but also count as an announcement.
-    pub fn announce(&mut self, version: &str) -> bool {
-        self.announced.insert(version.to_owned())
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn automatic_and_manual_checks_resolve_the_same_preferred_source() {
-        for (preference, locale, system, expected) in [
-            ("auto", "zh-CN", "en-US", UpdateSource::Cnb),
-            ("auto", " ZH_CN ", "en-US", UpdateSource::Cnb),
-            ("auto", "system", "zh-CN", UpdateSource::Cnb),
-            ("auto", "auto", "zh-TW", UpdateSource::Cnb),
-            ("auto", "", "zh", UpdateSource::Cnb),
-            ("auto", "en", "zh-CN", UpdateSource::Github),
-            ("github", "zh", "zh-CN", UpdateSource::Github),
-            ("cnb", "en", "en-US", UpdateSource::Cnb),
-        ] {
-            assert_eq!(UpdateSource::resolve(preference, locale, system), expected);
-        }
-    }
-
-    #[test]
-    fn checks_at_startup_and_every_four_hours_even_after_failure() {
-        let mut policy = UpdatePolicy::default();
-        let now = Instant::now();
-        assert_eq!(policy.due_in(now), Duration::ZERO);
-        policy.begin(now);
-        assert!(policy.status.checking);
-        policy.finish(None);
-        assert_eq!(policy.status.last_checked, None);
-        assert_eq!(policy.due_in(now + CHECK_INTERVAL - Duration::from_secs(1)), Duration::from_secs(1));
-        assert_eq!(policy.due_in(now + CHECK_INTERVAL), Duration::ZERO);
-        policy.begin(now + CHECK_INTERVAL);
-        policy.finish(Some(1234.0));
-        assert_eq!(policy.status.last_checked, Some(1234.0));
-        assert!(!policy.status.checking);
-        assert_eq!(policy.due_in(now + CHECK_INTERVAL), CHECK_INTERVAL);
-    }
-
-    #[test]
-    fn manual_checks_reset_the_schedule_without_losing_last_success_on_failure() {
-        let mut policy = UpdatePolicy::default();
-        let now = Instant::now();
-        policy.begin(now);
-        policy.finish(Some(1000.0));
-        policy.begin(now + Duration::from_secs(60));
-        policy.finish(None);
-        assert_eq!(policy.status.last_checked, Some(1000.0));
-        assert_eq!(policy.due_in(now + CHECK_INTERVAL), Duration::from_secs(60));
-    }
-
-    #[test]
-    fn announcements_are_per_version_across_windows_sources_and_manual_checks() {
-        let mut policy = UpdatePolicy::default();
-        assert!(policy.announce("0.1.40"));
-        assert!(!policy.announce("0.1.40"));
-        assert!(policy.announce("0.1.41"));
-        assert!(!policy.announce("0.1.40"));
-        assert!(UpdatePolicy::default().announce("0.1.40"));
-    }
-}
@@ -43,7 +43,6 @@ impl Default for VcsSettings {
 pub struct GitSettings {
    /// Show blame after the current editor line.
    pub inline_blame: bool,
-    pub show_branch_in_project_view: bool,
    /// Path to the git executable; empty = auto-detect.
    pub executable: String,
    /// Default of Update Project: `merge` | `rebase`.
@@ -75,7 +74,6 @@ impl Default for GitSettings {
    fn default() -> Self {
        Self {
            inline_blame: false,
-            show_branch_in_project_view: false,
            executable: String::new(),
            update_method: "merge".into(),
            auto_update_on_push_rejected: false,
@@ -117,13 +115,6 @@ pub struct CommitSettings {
    pub wrap_at_margin: bool,
    /// Plugin before-commit checks turned off (`<plugin id>/<check id>`); the rest run.
    pub disabled_plugin_checks: Vec<String>,
-    /// Double-click / Enter in the changes view: `None` follows the interface (the
-    /// Commit tool window opens the diff, Local Changes the source file).
-    ///
-    /// No `skip_serializing_if`: an unset value must still appear in
-    /// `Settings::default()`, or `SettingsStore::set` rejects the key as unknown.
-    #[specta(optional)]
-    pub double_click_opens_diff: Option<bool>,
 }

 impl Default for CommitSettings {
@@ -144,7 +135,6 @@ impl Default for CommitSettings {
            show_right_margin: true,
            wrap_at_margin: false,
            disabled_plugin_checks: Vec::new(),
-            double_click_opens_diff: None,
        }
    }
 }
@@ -322,7 +312,6 @@ pub struct TerminalSettings {
    pub override_ide_shortcuts: bool,
    pub shell_integration: bool,
    pub highlight_hyperlinks: bool,
-    pub highlight_selection: bool,
    pub option_as_meta: bool,
    /// Escape moves focus to the editor instead of reaching the shell.
    pub escape_to_editor: bool,
@@ -355,7 +344,6 @@ impl Default for TerminalSettings {
            override_ide_shortcuts: true,
            shell_integration: true,
            highlight_hyperlinks: true,
-            highlight_selection: true,
            option_as_meta: false,
            escape_to_editor: false,
            cursor_shape: "block".into(),
@@ -412,30 +400,3 @@ impl Default for ExternalTool {
        }
    }
 }
-
-/// Tools › Agents: Command Execution Policy (whitelist and blacklist patterns).
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct AgentSecuritySettings {
-    /// Commands or patterns (`git status*`, `pwd`) automatically approved without prompting.
-    pub allowed_commands: Vec<String>,
-    /// Commands or patterns (`rm -rf *`, `mkfs*`) automatically rejected.
-    pub blocked_commands: Vec<String>,
-}
-
-impl Default for AgentSecuritySettings {
-    fn default() -> Self {
-        Self {
-            allowed_commands: Vec::new(),
-            blocked_commands: vec![
-                "rm -rf *".into(),
-                "rm -rf /".into(),
-                "mkfs*".into(),
-                "dd *".into(),
-                ":(){ :|:& };:".into(),
-                "shutdown*".into(),
-                "reboot*".into(),
-            ],
-        }
-    }
-}
@@ -11,17 +11,12 @@ tempfile.workspace = true
 ide-core.workspace = true
 ide-language.workspace = true
 ide-jsonrpc.workspace = true
-ide-jvm-attach.workspace = true
-ide-jvm-inspect.workspace = true
-ide-jdwp.workspace = true
-ide-heap.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 specta.workspace = true
 tokio = { workspace = true, features = ["net"] }
 parking_lot.workspace = true
 memchr = "2"
-percent-encoding = "2"
 portable-pty.workspace = true
 tracing.workspace = true

@@ -29,5 +24,7 @@ tracing.workspace = true
 libc = "0.2"

 [dev-dependencies]
+ide-remote.workspace = true
+ide-run.workspace = true
 tracing-subscriber.workspace = true
 tokio = { workspace = true, features = ["net", "rt-multi-thread", "macros", "test-util"] }
@@ -31,6 +31,7 @@ pub enum Transport {
 /// A fully resolved adapter command line.
 #[derive(Clone, Debug)]
 pub struct AdapterSpec {
+    pub target: Option<crate::target::TargetMapping>,
    pub adapter: String,
    pub command: String,
    pub args: Vec<String>,
@@ -51,6 +52,7 @@ pub struct AdapterSpec {
 /// Built-in adapters used when no language definition names `adapter`.
 fn builtin(adapter: &str) -> Option<DebuggerConfig> {
    let cfg = |command: &str, args: &[&str], transport: &str, hint: &str| DebuggerConfig {
+        target_placement: None,
        adapter: adapter.to_owned(),
        command: command.to_owned(),
        args: args.iter().map(|a| (*a).to_owned()).collect(),
@@ -72,13 +74,6 @@ fn builtin(adapter: &str) -> Option<DebuggerConfig> {
            "stdio",
            "Install Kotlin Debug Adapter in Settings › Languages & Frameworks › Language Servers",
        ),
-        // Inside the language server: reached through `debugServer`, never started.
-        "kotlin-lsp" => cfg(
-            "kotlin-lsp",
-            &[],
-            "tcp",
-            "Install JetBrains Kotlin LSP in Settings › Languages & Frameworks › Language Servers",
-        ),
        // Windows installs `python.exe`; `python3.exe` there is at most a Store alias.
        "debugpy" => cfg(
            if cfg!(windows) { "python" } else { "python3" },
@@ -108,14 +103,6 @@ fn builtin(adapter: &str) -> Option<DebuggerConfig> {
        "lldb-dap" => {
            cfg("lldb-dap", &[], "stdio", "Install LLVM's lldb-dap (brew install llvm; on macOS `xcrun -f lldb-dap`)")
        }
-        // GDB's own DAP interpreter, stdio transport. The DAP support it needs shipped in GDB 14
-        // (`prepare_gdb` refuses older ones with the required version in the message).
-        "gdb" => cfg(
-            "gdb",
-            &["-i", "dap"],
-            "stdio",
-            "Install GDB 14 or newer (apt install gdb, dnf install gdb, brew install gdb)",
-        ),
        "rdbg" => cfg("rdbg", &["-O", "--port", PORT_PLACEHOLDER, "-c"], "tcp", "gem install debug"),
        // A jdtls bundle: the session is started through jdtls and reached via `debugServer`.
        "java-debug" => cfg(
@@ -142,7 +129,6 @@ pub fn default_type(adapter: &str) -> Option<&'static str> {
        "delve" => "go",
        "netcoredbg" => "coreclr",
        "lldb-dap" => "lldb-dap",
-        "gdb" => "gdb",
        "java-debug" => "java",
        _ => return None,
    })
@@ -150,6 +136,7 @@ pub fn default_type(adapter: &str) -> Option<&'static str> {

 pub fn resolve(config: &DebuggerConfig, cwd: PathBuf) -> AdapterSpec {
    AdapterSpec {
+        target: None,
        adapter: config.adapter.clone(),
        command: config.command.clone(),
        args: config.args.clone(),
@@ -348,89 +335,6 @@ pub async fn prepare_debugpy(spec: &mut AdapterSpec) -> IdeResult<()> {
    )))
 }

-/// GDB's DAP interpreter (`-i dap`) shipped in GDB 14; older ones exit with
-/// "Interpreter `dap' unrecognized".
-const GDB_MIN_MAJOR: u32 = 14;
-
-/// `(major, minor)` of the first version number in the output of `gdb --version`
-/// (`GNU gdb (GDB) 14.2`, `GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1`, `GNU gdb
-/// (GDB) 15.0.50.20240403-0ubuntu1`). `None` when no standalone version number is there.
-pub fn parse_gdb_version(output: &str) -> Option<(u32, u32)> {
-    let line = output.lines().next()?;
-    // Distribution names can contain versions, e.g. `(GDB; SUSE Linux Enterprise 15) 14.2`.
-    let line = line.rsplit_once(')').map_or(line, |(_, version)| version);
-    let b = line.as_bytes();
-    let mut i = 0;
-    while i < b.len() {
-        if !b[i].is_ascii_digit() {
-            i += 1;
-            continue;
-        }
-        let start = i;
-        while i < b.len() && b[i].is_ascii_digit() {
-            i += 1;
-        }
-        let major: u32 = line[start..i].parse().ok()?;
-        let mut minor = 0;
-        if i + 1 < b.len() && b[i] == b'.' && b[i + 1].is_ascii_digit() {
-            i += 1;
-            let ms = i;
-            while i < b.len() && b[i].is_ascii_digit() {
-                i += 1;
-            }
-            minor = line[ms..i].parse().unwrap_or(0);
-        }
-        // A version stands alone: `mingw32-gdb13.exe`'s embedded digits are part of a word.
-        if start > 0 && (b[start - 1].is_ascii_alphabetic() || b[start - 1] == b'_') {
-            continue;
-        }
-        return Some((major, minor));
-    }
-    None
-}
-
-/// Probe the already resolved and verified executable with its launch environment.
-async fn gdb_version(binary: &Path, spec: &AdapterSpec) -> IdeResult<Option<(u32, u32)>> {
-    let mut probe = Command::new(binary);
-    if let Some(path) = adapter_path(&spec.env) {
-        probe.env("PATH", path);
-    }
-    ide_core::process::prepare(probe.as_std_mut());
-    let probe = probe
-        .arg("--version")
-        .current_dir(&spec.cwd)
-        .envs(spec.env.iter().cloned())
-        .stdin(Stdio::null())
-        .stdout(Stdio::piped())
-        .stderr(Stdio::null())
-        .kill_on_drop(true)
-        .output();
-    let Ok(Ok(out)) = tokio::time::timeout(Duration::from_secs(15), probe).await else {
-        return Ok(None);
-    };
-    Ok(parse_gdb_version(&String::from_utf8_lossy(&out.stdout)))
-}
-
-/// Refuse old GDB versions and report whether launch must follow configurationDone.
-/// GDB 15 starts the inferior in launch; 14 and 16+ start it at configurationDone.
-async fn prepare_gdb(spec: &AdapterSpec, binary: &Path) -> IdeResult<bool> {
-    let Some((major, minor)) = gdb_version(binary, spec).await? else {
-        return Ok(false);
-    };
-    if major >= GDB_MIN_MAJOR {
-        return Ok(major == 15);
-    }
-    let mut msg = format!(
-        "debugging with GDB needs GDB {GDB_MIN_MAJOR} or newer (found {major}.{minor}): \
-         this one has no DAP interpreter (`gdb -i dap`)"
-    );
-    if let Some(hint) = &spec.install_hint {
-        msg.push_str(". ");
-        msg.push_str(hint);
-    }
-    Err(IdeError::unavailable(msg))
-}
-
 /// An adapter that is a plugin of another program (java-debug, a jdtls bundle) rather
 /// than a program: it has no process of its own and is reached through `debugServer`.
 pub fn is_plugin_bundle(command: &str) -> bool {
@@ -464,8 +368,6 @@ pub type BoxWriter = Box<dyn AsyncWrite + Unpin + Send>;

 /// A connected adapter: byte streams plus the process (if we spawned one).
 pub struct AdapterIo {
-    /// GDB 15 starts running inside `launch`; configure breakpoints before sending it.
-    pub launch_after_configuration: bool,
    pub reader: BoxReader,
    pub writer: BoxWriter,
    pub child: Option<Child>,
@@ -517,7 +419,6 @@ impl AdapterLauncher for ProcessLauncher {
                let stream = connect_with_retries(host, port, None, timeout).await?;
                let (r, w) = stream.into_split();
                return Ok(AdapterIo {
-                    launch_after_configuration: false,
                    reader: Box::new(r),
                    writer: Box::new(w),
                    child: None,
@@ -541,7 +442,6 @@ impl AdapterLauncher for ProcessLauncher {
                let _ = stream.set_nodelay(true);
                let (r, w) = stream.into_split();
                return Ok(AdapterIo {
-                    launch_after_configuration: false,
                    reader: Box::new(r),
                    writer: Box::new(w),
                    child: None,
@@ -550,7 +450,7 @@ impl AdapterLauncher for ProcessLauncher {
                    program_output: None,
                });
            }
-            if spec.adapter == DEBUGPY_TOOL {
+            if spec.adapter == DEBUGPY_TOOL && spec.target.is_none() {
                prepare_debugpy(&mut spec).await?;
            }
            if is_plugin_bundle(&spec.command) {
@@ -570,15 +470,9 @@ impl AdapterLauncher for ProcessLauncher {
                        .ok_or_else(|| missing(&spec))?
                }
            };
-            let launch_after_configuration =
-                if spec.adapter == "gdb" { prepare_gdb(&spec, &binary).await? } else { false };
            let base_args = substitute_root(&spec.args, &spec.cwd);
            match spec.transport {
-                Transport::Stdio => {
-                    let mut io = spawn_adapter(&spec, &binary, &base_args, None, CONNECT_TIMEOUT).await?;
-                    io.launch_after_configuration = launch_after_configuration;
-                    Ok(io)
-                }
+                Transport::Stdio => spawn_adapter(&spec, &binary, &base_args, None, CONNECT_TIMEOUT).await,
                Transport::Tcp => {
                    // An embedded adapter started without `${port}` listens on its usual
                    // address; every other TCP adapter gets a port chosen here so it can be
@@ -595,10 +489,7 @@ impl AdapterLauncher for ProcessLauncher {
                        };
                        let args = substitute_port(&base_args, port);
                        match spawn_adapter(&spec, &binary, &args, Some(port), start_timeout).await {
-                            Ok(mut io) => {
-                                io.launch_after_configuration = launch_after_configuration;
-                                return Ok(io);
-                            }
+                            Ok(io) => return Ok(io),
                            Err(e) => {
                                if fixed.is_none() && attempt < PORT_ATTEMPTS && is_port_race(&e) {
                                    tracing::warn!(
@@ -634,10 +525,9 @@ async fn spawn_adapter(
        cmd.env("PATH", path);
    }
    ide_core::process::prepare(cmd.as_std_mut());
-    // Every adapter leads its own process group: the program an adapter launches itself
-    // (java-debug's JVM) joins the group, so a forced stop reaches the whole tree with
-    // one `kill(-pgid)`. On Windows the same coverage comes from the session's job object.
-    ide_core::process::own_group(cmd.as_std_mut());
+    if spec.adapter == "rdbg" {
+        ide_core::process::own_group(cmd.as_std_mut());
+    }
    cmd.args(args)
        .envs(spec.env.iter().map(|(k, v)| (k, v)))
        .current_dir(&spec.cwd)
@@ -661,7 +551,6 @@ async fn spawn_adapter(
            let stdin = child.stdin.take().ok_or_else(|| IdeError::internal("adapter stdin unavailable"))?;
            let stdout = child.stdout.take().ok_or_else(|| IdeError::internal("adapter stdout unavailable"))?;
            Ok(AdapterIo {
-                launch_after_configuration: false,
                reader: Box::new(stdout),
                writer: Box::new(stdin),
                child: Some(child),
@@ -693,7 +582,6 @@ async fn spawn_adapter(
            };
            let (r, w) = stream.into_split();
            Ok(AdapterIo {
-                launch_after_configuration: false,
                reader: Box::new(r),
                writer: Box::new(w),
                child: Some(child),
@@ -851,102 +739,15 @@ mod tests {

    #[test]
    fn builtins_cover_common_adapters() {
-        for name in ["codelldb", "debugpy", "js-debug", "delve", "netcoredbg", "java-debug", "gdb"] {
+        for name in ["codelldb", "debugpy", "js-debug", "delve", "netcoredbg", "java-debug"] {
            let cfg = builtin(name).unwrap();
            assert!(cfg.install_hint.is_some());
        }
        let delve = resolve(&builtin("delve").unwrap(), PathBuf::from("/"));
        assert_eq!(delve.transport, Transport::Tcp);
-        // GDB's own DAP interpreter over stdio, with the required version in its hint.
-        let gdb = builtin("gdb").unwrap();
-        assert_eq!(gdb.command, "gdb");
-        assert_eq!(gdb.args, ["-i", "dap"]);
-        assert_eq!(gdb.transport, "stdio");
-        assert!(gdb.install_hint.as_deref().is_some_and(|h| h.contains("14")), "{gdb:?}");
-        assert_eq!(default_type("gdb"), Some("gdb"));
        assert!(builtin("nope").is_none());
    }

-    /// The first version number of `gdb --version`'s first line, however the distro decorates it.
-    #[test]
-    fn parses_gdb_versions() {
-        for (out, want) in [
-            ("GNU gdb (GDB) 14.2\nCopyright (C) 2023 Free Software Foundation", Some((14, 2))),
-            ("GNU gdb (GDB) 15.0.50.20240403-0ubuntu1\n", Some((15, 0))),
-            ("GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1", Some((12, 1))),
-            ("GNU gdb (Debian 13.1-3) 13.1", Some((13, 1))),
-            ("GNU gdb (GDB) Fedora Linux 16.3-1.fc41", Some((16, 3))),
-            ("GNU gdb (GDB; SUSE Linux Enterprise 15) 14.2", Some((14, 2))),
-            ("GNU gdb (GDB; SUSE Linux Enterprise 15) 11.1", Some((11, 1))),
-            ("mingw32-gdb13.exe (GDB) 13.2", Some((13, 2))),
-            ("GNU gdb 14", Some((14, 0))),
-            ("no version here", None),
-            ("", None),
-        ] {
-            assert_eq!(parse_gdb_version(out), want, "{out}");
-        }
-    }
-
-    #[tokio::test]
-    async fn gdb_probe_never_executes_a_changed_pinned_program() {
-        let dir = tempfile::tempdir().unwrap();
-        let fake = dir.path().join(if cfg!(windows) { "gdb.cmd" } else { "gdb" });
-        std::fs::write(&fake, "approved").unwrap();
-        let pin = ProgramPin::approve(&fake).unwrap();
-        #[cfg(windows)]
-        std::fs::write(&fake, "@echo off\r\necho ran>probe-ran\r\necho GNU gdb (GDB) 15.1\r\n").unwrap();
-        #[cfg(unix)]
-        {
-            use std::os::unix::fs::PermissionsExt;
-            std::fs::write(&fake, "#!/bin/sh\ntouch probe-ran\necho 'GNU gdb (GDB) 15.1'\n").unwrap();
-            std::fs::set_permissions(&fake, std::fs::Permissions::from_mode(0o755)).unwrap();
-        }
-        let mut spec = resolve(&builtin("gdb").unwrap(), dir.path().to_owned());
-        spec.command = fake.to_string_lossy().into_owned();
-        spec.pinned = Some(pin);
-        let error = ProcessLauncher.launch(spec, None).await.err().expect("changed program is refused");
-        assert_eq!(error.kind, ide_core::error::ErrorKind::PermissionDenied);
-        assert!(!dir.path().join("probe-ran").exists(), "the version probe executed an unapproved program");
-    }
-
-    #[tokio::test]
-    async fn gdb_probe_uses_the_verified_program_and_launch_environment_once() {
-        use tokio::io::AsyncReadExt;
-        let dir = tempfile::tempdir().unwrap();
-        let fake = dir.path().join(if cfg!(windows) { "gdb.cmd" } else { "gdb" });
-        #[cfg(windows)]
-        std::fs::write(&fake, "@echo off\r\nif \"%~1\"==\"--version\" (\r\n echo probe>>probes\r\n echo GNU gdb ^(GDB^) %GDB_TEST_VERSION%\r\n) else (\r\n echo adapter\r\n)\r\n").unwrap();
-        #[cfg(unix)]
-        {
-            use std::os::unix::fs::PermissionsExt;
-            std::fs::write(&fake, "#!/bin/sh\nif [ \"$1\" = --version ]; then\n echo probe >> probes\n echo \"GNU gdb (GDB) $GDB_TEST_VERSION\"\nelse\n echo adapter\nfi\n").unwrap();
-            std::fs::set_permissions(&fake, std::fs::Permissions::from_mode(0o755)).unwrap();
-        }
-        let pin = ProgramPin::approve(&fake).unwrap();
-        for (version, deferred) in [("12.1", false), ("14.2", false), ("15.1", true), ("16.3", false)] {
-            let mut spec = resolve(&builtin("gdb").unwrap(), dir.path().to_owned());
-            // Only the approved path is executable; the symbolic command must never be probed.
-            spec.command = "definitely-not-a-real-binary-openidea".into();
-            spec.pinned = Some(pin.clone());
-            spec.env.push(("GDB_TEST_VERSION".into(), version.into()));
-            let result = ProcessLauncher.launch(spec, None).await;
-            if version == "12.1" {
-                let error = result.err().expect("GDB 12 has no DAP interpreter");
-                assert_eq!(error.kind, ide_core::error::ErrorKind::Unavailable);
-                assert!(error.message.contains("GDB 14 or newer"), "{}", error.message);
-                assert!(error.message.contains("12.1"), "{}", error.message);
-            } else {
-                let mut io = result.unwrap();
-                assert_eq!(io.launch_after_configuration, deferred, "{version}");
-                let mut output = String::new();
-                io.reader.read_to_string(&mut output).await.unwrap();
-                assert_eq!(output.trim(), "adapter");
-                io.child.as_mut().unwrap().wait().await.unwrap();
-            }
-        }
-        assert_eq!(std::fs::read_to_string(dir.path().join("probes")).unwrap().lines().count(), 4);
-    }
-
    #[test]
    fn free_port_is_nonzero() {
        assert_ne!(free_port().unwrap(), 0);
@@ -71,6 +71,7 @@ pub enum Incoming {
 type Pending = HashMap<i64, (String, oneshot::Sender<Result<Value, DapError>>)>;

 struct Inner {
+    mapping: Option<crate::target::TargetMapping>,
    out: mpsc::UnboundedSender<Vec<u8>>,
    pending: Mutex<Pending>,
    seq: AtomicI64,
@@ -106,9 +107,22 @@ impl Connection {
    /// [`start`](Self::start) that hands lines outside the protocol (an adapter's
    /// own output on stdout, decoded) to `on_output`.
    pub fn start_with_output<R, W>(
+        reader: R,
+        writer: W,
+        on_output: Box<dyn Fn(String) + Send + Sync>,
+    ) -> (Self, mpsc::UnboundedReceiver<Incoming>)
+    where
+        R: AsyncRead + Unpin + Send + 'static,
+        W: AsyncWrite + Unpin + Send + 'static,
+    {
+        Self::start_with_target(reader, writer, on_output, None)
+    }
+
+    pub fn start_with_target<R, W>(
        reader: R,
        mut writer: W,
        on_output: Box<dyn Fn(String) + Send + Sync>,
+        target: Option<crate::target::TargetMapping>,
    ) -> (Self, mpsc::UnboundedReceiver<Incoming>)
    where
        R: AsyncRead + Unpin + Send + 'static,
@@ -117,6 +131,7 @@ impl Connection {
        let (out_tx, mut out_rx) = mpsc::unbounded_channel::<Vec<u8>>();
        let (in_tx, in_rx) = mpsc::unbounded_channel();
        let inner = Arc::new(Inner {
+            mapping: target,
            out: out_tx,
            pending: Mutex::new(HashMap::new()),
            seq: AtomicI64::new(1),
@@ -187,7 +202,11 @@ impl Connection {
        if self.is_closed() {
            return Err(DapError::Closed);
        }
-        let body = serde_json::to_vec(value).map_err(|e| DapError::Protocol(e.to_string()))?;
+        let mut value = value.clone();
+        if let Some(mapping) = self.inner.mapping.as_ref() {
+            mapping.rewrite(&mut value, ide_core::path_mapping::Direction::ToTarget);
+        }
+        let body = serde_json::to_vec(&value).map_err(|e| DapError::Protocol(e.to_string()))?;
        tracing::trace!(target: "ide_dap::wire", "--> {}", String::from_utf8_lossy(&body));
        self.inner.out.send(body).map_err(|_| DapError::Closed)
    }
@@ -246,7 +265,16 @@ impl Connection {

 fn dispatch(inner: &Inner, incoming: &mpsc::UnboundedSender<Incoming>, body: &[u8]) {
    tracing::trace!(target: "ide_dap::wire", "<-- {}", String::from_utf8_lossy(body));
-    let Some(msg) = parse_message(body) else { return };
+    let mut msg: Value = match serde_json::from_slice(body) {
+        Ok(v) => v,
+        Err(e) => {
+            tracing::warn!("dap: unparsable message: {e}");
+            return;
+        }
+    };
+    if let Some(mapping) = inner.mapping.as_ref() {
+        mapping.rewrite(&mut msg, ide_core::path_mapping::Direction::ToHost);
+    }
    match msg.get("type").and_then(Value::as_str) {
        Some("response") => {
            let Some(request_seq) = msg.get("request_seq").and_then(Value::as_i64) else {
@@ -279,25 +307,6 @@ fn dispatch(inner: &Inner, incoming: &mpsc::UnboundedSender<Incoming>, body: &[u
    }
 }

-/// A message body as JSON. Some adapters pass the debuggee's output through as it was
-/// written: netcoredbg on Windows embeds console output in the ANSI code page (GBK on a
-/// Chinese system), which isn't valid UTF-8 and made the whole `output` event unparsable,
-/// so every line with non-ASCII text went missing. Such a body is decoded like other tool
-/// output (UTF-8, else the system code page) before parsing.
-fn parse_message(body: &[u8]) -> Option<Value> {
-    let error = match serde_json::from_slice(body) {
-        Ok(v) => return Some(v),
-        Err(e) => e,
-    };
-    if std::str::from_utf8(body).is_err()
-        && let Ok(v) = serde_json::from_str(&ide_core::output_encoding::decode_tool_output(body))
-    {
-        return Some(v);
-    }
-    tracing::warn!("dap: unparsable message: {error}");
-    None
-}
-
 /// `message`, or the formatted `body.error` (`{format, variables}`) when present.
 fn error_message(msg: &Value) -> String {
    if let Some(err) = msg.pointer("/body/error")
@@ -319,22 +328,6 @@ fn error_message(msg: &Value) -> String {
 mod tests {
    use super::*;

-    #[test]
-    fn parses_output_events_with_non_utf8_text() {
-        // "中文" in GBK inside an output event, as netcoredbg sends it on a Chinese Windows.
-        let mut body = br#"{"seq":5,"type":"event","event":"output","body":{"category":"stdout","output":""#.to_vec();
-        body.extend_from_slice(&[0xd6, 0xd0, 0xce, 0xc4]);
-        body.extend_from_slice(br#"\n"}}"#);
-        let msg = parse_message(&body).expect("parsed");
-        assert_eq!(msg["event"], "output");
-        let output = msg["body"]["output"].as_str().unwrap();
-        assert!(output.ends_with('\n'));
-        // Off Windows (UTF-8 code page) the bytes decode lossily; the line still arrives.
-        #[cfg(not(windows))]
-        assert!(output.starts_with(char::REPLACEMENT_CHARACTER));
-        assert!(parse_message(b"{not json").is_none());
-    }
-
    #[test]
    fn formats_structured_errors() {
        let msg =
@@ -342,16 +335,4 @@ mod tests {
        assert_eq!(error_message(&msg), "cannot find a.py");
        assert_eq!(error_message(&json!({"message": "nope"})), "nope");
    }
-
-    #[test]
-    fn a_failed_launch_response_keeps_delves_too_old_error_verbatim() {
-        // The UI's repair offer keys off this exact wording (`missingAdapter`), so the
-        // conversion to the IPC error must not fold it into a generic message.
-        let message = "Failed to launch /p/api: Version of Delve is too old for Go version go1.27.0 \
-                       (maximum supported version 1.26, suppress this error with --check-go-version=false)";
-        let e = ide_core::IdeError::from(DapError::Failed { command: "launch".into(), message: message.into() });
-        assert_eq!(e.kind, ide_core::error::ErrorKind::InvalidInput);
-        assert_eq!(e.message, format!("launch failed: {message}"));
-        assert!(e.message.contains("Version of Delve is too old for Go version go1.27.0"));
-    }
 }
@@ -12,35 +12,6 @@ use tokio::net::{TcpListener, TcpStream};
 /// How long the relay waits for java-debug to attach once the JVM is connected.
 const ATTACH_TIMEOUT: Duration = Duration::from_secs(60);

-/// Loopback ports relaying a connected JVM, while their relay runs.
-static RELAY_PORTS: std::sync::Mutex<Vec<u16>> = std::sync::Mutex::new(Vec::new());
-
-fn relay_ports() -> std::sync::MutexGuard<'static, Vec<u16>> {
-    RELAY_PORTS.lock().unwrap_or_else(std::sync::PoisonError::into_inner)
-}
-
-/// Whether `port` is a relay of [`listen_for_jvm`]: a session attaching to it debugs a JVM that
-/// connected to the IDE, so the JVM has no JDWP listener the memory view could find it by.
-pub(crate) fn is_listen_relay(port: u16) -> bool {
-    relay_ports().contains(&port)
-}
-
-/// Registers a relay port for as long as it lives.
-struct RelayPort(u16);
-
-impl RelayPort {
-    fn new(port: u16) -> Self {
-        relay_ports().push(port);
-        Self(port)
-    }
-}
-
-impl Drop for RelayPort {
-    fn drop(&mut self) {
-        relay_ports().retain(|&p| p != self.0);
-    }
-}
-
 /// The address to listen on for `host`: the interface it names, or every interface when
 /// it is not one of this machine's (a DNS name or a NAT address the JVM connects to).
 async fn bind(host: &str, port: u16) -> IdeResult<TcpListener> {
@@ -69,11 +40,11 @@ pub async fn listen_for_jvm(host: &str, port: u16, cancel: CancellationToken) ->
    let _ = jvm.set_nodelay(true);
    let relay = TcpListener::bind(("127.0.0.1", 0)).await?;
    let local = relay.local_addr()?.port();
-    tokio::spawn(relay_one(relay, jvm, RelayPort::new(local)));
+    tokio::spawn(relay_one(relay, jvm));
    Ok(local)
 }

-async fn relay_one(relay: TcpListener, mut jvm: TcpStream, _registered: RelayPort) {
+async fn relay_one(relay: TcpListener, mut jvm: TcpStream) {
    let debugger = match tokio::time::timeout(ATTACH_TIMEOUT, relay.accept()).await {
        Ok(Ok((s, _))) => s,
        _ => return,
@@ -87,64 +58,22 @@ async fn relay_one(relay: TcpListener, mut jvm: TcpStream, _registered: RelayPor
 }

 #[cfg(test)]
-pub(crate) mod tests {
+mod tests {
    use super::*;
    use tokio::io::{AsyncReadExt, AsyncWriteExt};

-    /// A remote JVM (`server=n`) connected to [`listen_for_jvm`], and the relay port. A port
-    /// picked by binding to 0 can be taken by a parallel test before `listen_for_jvm` binds it,
-    /// so a failed listen is retried on a fresh one.
-    pub(crate) async fn connected_jvm() -> (TcpStream, u16) {
-        for _ in 0..20 {
-            let port = TcpListener::bind(("127.0.0.1", 0)).await.unwrap().local_addr().unwrap().port();
-            if let Some(connected) = jvm_on(port).await {
-                return connected;
-            }
-        }
-        panic!("listen_for_jvm never accepted a JVM");
-    }
-
-    /// One attempt of [`connected_jvm`]; `None` when the port turned out to be taken.
-    async fn jvm_on(port: u16) -> Option<(TcpStream, u16)> {
-        let mut waiting = tokio::spawn(listen_for_jvm("127.0.0.1", port, CancellationToken::new()));
-        let mut jvm = None;
-        for _ in 0..100 {
-            // A listen that failed to bind leaves nothing to connect to.
-            if waiting.is_finished() {
-                break;
-            }
-            // macOS does not refuse a connect to a port a socket holds without listening: the
-            // SYN goes unanswered until the connect times out.
-            let connect = TcpStream::connect(("127.0.0.1", port));
-            if let Ok(Ok(s)) = tokio::time::timeout(Duration::from_secs(1), connect).await {
-                jvm = Some(s);
-                break;
-            }
-            tokio::time::sleep(Duration::from_millis(20)).await;
-        }
-        // A connection to another test's listener never reaches `listen_for_jvm`.
-        let relay = tokio::time::timeout(Duration::from_secs(2), &mut waiting).await;
-        if let (Some(jvm), Ok(Ok(Ok(relay)))) = (jvm, relay) {
-            return Some((jvm, relay));
-        }
-        waiting.abort();
-        None
-    }
-
-    #[tokio::test]
-    async fn a_port_another_socket_holds_is_given_up() {
-        // Bound but not listening, as a parallel test's outgoing connection holds its local port.
-        let held = tokio::net::TcpSocket::new_v4().unwrap();
-        held.bind(([127, 0, 0, 1], 0).into()).unwrap();
-        let port = held.local_addr().unwrap().port();
-        let attempt = tokio::time::timeout(Duration::from_secs(5), jvm_on(port)).await;
-        assert!(matches!(attempt, Ok(None)), "an attempt on a taken port gives up instead of waiting forever");
-    }
-
    #[tokio::test]
    async fn relays_the_jdwp_handshake_both_ways() {
+        let port = TcpListener::bind(("127.0.0.1", 0)).await.unwrap().local_addr().unwrap().port();
+        let waiting = tokio::spawn(listen_for_jvm("127.0.0.1", port, CancellationToken::new()));
        // The remote JVM (`server=n`) connects to the IDE.
-        let (mut jvm, local) = connected_jvm().await;
+        let mut jvm = loop {
+            if let Ok(s) = TcpStream::connect(("127.0.0.1", port)).await {
+                break s;
+            }
+            tokio::time::sleep(Duration::from_millis(20)).await;
+        };
+        let local = waiting.await.unwrap().unwrap();
        // java-debug attaches to the relay and starts the handshake.
        let mut debugger = TcpStream::connect(("127.0.0.1", local)).await.unwrap();
        debugger.write_all(b"JDWP-Handshake").await.unwrap();
@@ -156,22 +85,6 @@ pub(crate) mod tests {
        assert_eq!(&buf, b"JDWP-Handshake");
    }

-    #[tokio::test]
-    async fn relay_port_is_known_while_the_relay_runs() {
-        let (jvm, local) = connected_jvm().await;
-        assert!(is_listen_relay(local));
-
-        let debugger = TcpStream::connect(("127.0.0.1", local)).await.unwrap();
-        drop((jvm, debugger));
-        for _ in 0..200 {
-            if !is_listen_relay(local) {
-                return;
-            }
-            tokio::time::sleep(Duration::from_millis(10)).await;
-        }
-        panic!("relay port {local} still registered after the relay ended");
-    }
-
    #[tokio::test]
    async fn waiting_is_cancellable() {
        let cancel = CancellationToken::new();
@@ -1,92 +0,0 @@
-//! The class table counted by the debugger (JDWP `InstanceCounts`) where no histogram can be
-//! taken: JDK 8-16 while suspended, Windows, a remote JVM. Only while suspended, and slow on a
-//! large heap (seconds on JDK 17+).
-
-use super::inspect::Call;
-use super::snapshot::diff_rows;
-use super::{ClassCounts, JvmMemoryResult, JvmMemorySnapshot, JvmMemorySource, JvmMemoryState, JvmMemoryUnavailable};
-use crate::session::Session;
-use ide_core::IdeResult;
-use ide_jvm_attach::HistogramRow;
-use ide_jvm_inspect::ClassCount;
-
-/// Reasons the debugger may be able to work around; the others (the program exited, the JVM
-/// did not answer) would fail for it too.
-pub(super) fn falls_back(reason: &JvmMemoryUnavailable) -> bool {
-    use JvmMemoryUnavailable as U;
-    matches!(
-        reason,
-        U::UnsafeWhileSuspended { .. }
-            | U::UnsupportedPlatform
-            | U::AttachedJvmNotFound
-            | U::ListenerNotRunning
-            | U::ListenModeNotSupported
-            | U::NoJvmProcess
-    )
-}
-
-/// `histogram` unless it is unavailable for a reason `session`'s inspector can work around.
-pub(super) async fn or_debugger_counts(
-    state: &mut JvmMemoryState,
-    histogram: Result<JvmMemorySnapshot, JvmMemoryUnavailable>,
-    session: Option<&Session>,
-) -> IdeResult<JvmMemoryResult> {
-    let reason = match histogram {
-        Ok(snapshot) => return Ok(JvmMemoryResult::Ready { snapshot }),
-        Err(reason) => reason,
-    };
-    let unavailable = |can_count_when_paused| Ok(JvmMemoryResult::Unavailable { reason, can_count_when_paused });
-    let Some(session) = session.filter(|_| falls_back(&reason)) else {
-        return unavailable(false);
-    };
-    let call = match Call::begin(session, None).await {
-        Ok(call) => call,
-        Err(super::JvmInspectUnavailable::NotSuspended) => return unavailable(true),
-        Err(_) => return unavailable(false),
-    };
-    let started = std::time::Instant::now();
-    let result = call.run(call.inspector.class_counts(&call.target)).await;
-    match call.finish(result) {
-        Ok(counts) => {
-            let elapsed_ms = u32::try_from(started.elapsed().as_millis()).unwrap_or(u32::MAX);
-            let previous = state.baseline(JvmMemorySource::Debugger);
-            let (snapshot, counts) = debugger_snapshot(counts, previous.as_deref(), elapsed_ms);
-            state.remember(JvmMemorySource::Debugger, counts);
-            Ok(JvmMemoryResult::Ready { snapshot })
-        }
-        Err(e) => {
-            tracing::debug!("debugger class counts: {e}");
-            let running = !session.suspended.get();
-            unavailable(running && session.jvm_inspector.lock().is_some())
-        }
-    }
-}
-
-/// Classes without instances are left out; most instances first.
-pub(super) fn debugger_snapshot(
-    counts: Vec<ClassCount>,
-    previous: Option<&ClassCounts>,
-    elapsed_ms: u32,
-) -> (JvmMemorySnapshot, ClassCounts) {
-    let rows = counts
-        .into_iter()
-        .filter(|c| c.instances > 0)
-        .map(|c| HistogramRow { name: c.name, module: None, instances: c.instances, bytes: 0 })
-        .collect();
-    let (mut rows, counts) = diff_rows(rows, previous);
-    for row in &mut rows {
-        row.delta_bytes = None;
-    }
-    rows.sort_by(|a, b| b.instances.cmp(&a.instances).then_with(|| a.name.cmp(&b.name)));
-    let snapshot = JvmMemorySnapshot {
-        total_instances: rows.iter().map(|r| r.instances).sum(),
-        total_bytes: 0,
-        rows,
-        java_version: String::new(),
-        taken_while_suspended: true,
-        has_baseline: previous.is_some(),
-        elapsed_ms,
-        source: JvmMemorySource::Debugger,
-    };
-    (snapshot, counts)
-}
@@ -1,293 +0,0 @@
-//! A heap dump of a debugged JVM, written over its attach listener into a snapshot directory.
-
-use super::snapshot::{AttachProbe, JdkProbe, attach_failure, gone, pick_jvm_pid};
-use super::{
-    JvmMemoryState, JvmMemoryUnavailable, JvmTarget, histogram_pid, keep_found, lookup, resolve_jvm,
-    safe_while_suspended, session_target,
-};
-use crate::session::Session;
-use ide_core::{CancellationToken, IdeError, IdeResult};
-use ide_jvm_attach::{AttachError, HeapDumpReply};
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::future::Future;
-use std::path::{Path, PathBuf};
-use std::sync::Arc;
-
-const DUMP_FILE: &str = "dump.hprof";
-/// For a refusal whose reply holds no reason: empty, or only the line announcing the dump.
-const NO_REASON: &str = "the JVM wrote no heap dump and gave no reason";
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(tag = "kind", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmHeapUnavailable {
-    /// The reason a class table could not be read applies to the dump too.
-    Memory {
-        reason: JvmMemoryUnavailable,
-    },
-    /// Bytes.
-    NotEnoughDiskSpace {
-        needed: u64,
-        available: u64,
-    },
-    DumpFailed {
-        message: String,
-    },
-    DumpTimedOut {
-        seconds: u32,
-    },
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub struct JvmHeapDump {
-    pub path: PathBuf,
-    /// The class histogram taken just before the dump.
-    pub histogram: Vec<ide_heap::HistogramEntry>,
-    /// Raw `VM.flags`; empty when the JVM did not answer.
-    pub vm_flags: String,
-    /// 0 when unknown.
-    pub java_major: u32,
-    /// Empty when unknown.
-    pub java_version: String,
-    pub pid: u32,
-    pub taken_while_suspended: bool,
-    pub dump_ms: u32,
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub enum JvmHeapOutcome {
-    Ready(JvmHeapDump),
-    /// The snapshot directory has been deleted.
-    Unavailable(JvmHeapUnavailable),
-    /// The snapshot directory has been deleted.
-    Cancelled,
-}
-
-pub(crate) async fn session_heap_dump(
-    session: Arc<Session>,
-    dir: PathBuf,
-    cancel: CancellationToken,
-) -> IdeResult<JvmHeapOutcome> {
-    let launched = histogram_pid(&session);
-    let capture = {
-        let (dir, cancel) = (dir.clone(), cancel.clone());
-        async move {
-            let target = session_target(&session, launched);
-            let probe = |suspended| -> Arc<dyn AttachProbe> { Arc::new(JdkProbe { suspended }) };
-            let stopped = session.clone();
-            let suspended = move || capture_suspended(&stopped);
-            heap_dump_with(&session.jvm_memory, suspended, probe, target, dir, cancel).await
-        }
-    };
-    detached(capture, dir, cancel).await
-}
-
-/// The JVM can be suspended before the adapter reports the stop, so a session with a JDWP link
-/// also counts the link's view.
-pub(super) fn capture_suspended(session: &Session) -> bool {
-    session.suspended.get()
-        || session
-            .jdwp_link
-            .lock()
-            .as_ref()
-            .is_some_and(|link| matches!(link.state(), ide_jdwp::LinkState::Suspended { .. }))
-}
-
-/// Runs `capture` in a task of its own, so a caller that stops waiting cannot release the
-/// session's lock while the JVM is still writing the dump and let a class-table request run
-/// next to it. On `cancel` returns at once and deletes `dir`.
-pub(super) async fn detached(
-    capture: impl Future<Output = IdeResult<JvmHeapOutcome>> + Send + 'static,
-    dir: PathBuf,
-    cancel: CancellationToken,
-) -> IdeResult<JvmHeapOutcome> {
-    let task = tokio::spawn(capture);
-    tokio::select! {
-        joined = task => joined.map_err(|e| IdeError::internal(format!("JVM heap dump failed: {e}")))?,
-        () = cancel.cancelled() => {
-            discard_later(dir).await;
-            Ok(JvmHeapOutcome::Cancelled)
-        }
-    }
-}
-
-/// Holds `state`'s lock throughout, as a class-table request does; `suspended` and then `probe`
-/// are read once it is held, and `suspended` again by [`take_heap_dump`]. Anything but `Ready`
-/// deletes `dir`.
-pub(super) async fn heap_dump_with(
-    state: &tokio::sync::Mutex<JvmMemoryState>,
-    suspended: impl Fn() -> bool + Send + Sync + 'static,
-    probe: impl FnOnce(bool) -> Arc<dyn AttachProbe>,
-    target: JvmTarget<'_>,
-    dir: PathBuf,
-    cancel: CancellationToken,
-) -> IdeResult<JvmHeapOutcome> {
-    // The capture's histogram never becomes the Memory view's baseline, so the state is unused.
-    let _turn = state.lock().await;
-    let outcome = capture(suspended, probe, target, dir.clone(), cancel).await;
-    if !matches!(outcome, Ok(JvmHeapOutcome::Ready(_))) {
-        discard_later(dir).await;
-    }
-    outcome
-}
-
-async fn capture(
-    suspended_now: impl Fn() -> bool + Send + Sync + 'static,
-    probe: impl FnOnce(bool) -> Arc<dyn AttachProbe>,
-    target: JvmTarget<'_>,
-    dir: PathBuf,
-    cancel: CancellationToken,
-) -> IdeResult<JvmHeapOutcome> {
-    if cancel.is_cancelled() {
-        return Ok(JvmHeapOutcome::Cancelled);
-    }
-    let suspended = suspended_now();
-    let lookup = match lookup(target) {
-        Ok(lookup) => lookup,
-        Err(reason) => return Ok(memory(reason)),
-    };
-    let probe = probe(suspended);
-    let (found, outcome) = tokio::task::spawn_blocking(move || match resolve_jvm(lookup, &*probe, suspended) {
-        Ok((tree, found)) => (found, take_heap_dump(&*probe, &tree, suspended, &suspended_now, &dir, &cancel)),
-        Err(reason) => (None, Ok(memory(reason))),
-    })
-    .await
-    .map_err(|e| IdeError::internal(format!("JVM heap dump failed: {e}")))?;
-    keep_found(target, found);
-    outcome
-}
-
-/// `tree` starts with the session's reported pid, followed by its descendants. `suspended` is
-/// the stop read when the capture began; `suspended_now` reads it again. Anything but `Ready`
-/// deletes `dir`.
-pub(crate) fn take_heap_dump(
-    probe: &dyn AttachProbe,
-    tree: &[i32],
-    suspended: bool,
-    suspended_now: &dyn Fn() -> bool,
-    dir: &Path,
-    cancel: &CancellationToken,
-) -> IdeResult<JvmHeapOutcome> {
-    let outcome = dump(probe, tree, suspended, suspended_now, dir, cancel);
-    if !matches!(outcome, Ok(JvmHeapOutcome::Ready(_))) {
-        discard(dir);
-    }
-    outcome
-}
-
-fn dump(
-    probe: &dyn AttachProbe,
-    tree: &[i32],
-    suspended: bool,
-    suspended_now: &dyn Fn() -> bool,
-    dir: &Path,
-    cancel: &CancellationToken,
-) -> IdeResult<JvmHeapOutcome> {
-    use JvmHeapUnavailable as H;
-    use JvmMemoryUnavailable as U;
-    let Some(root) = tree.first().and_then(|&p| u32::try_from(p).ok()) else {
-        return Ok(memory(U::NoJvmProcess));
-    };
-    let Some(jvm) = pick_jvm_pid(tree, |p| probe.has_listener(p)) else {
-        return Ok(memory(gone(probe, root)));
-    };
-
-    let version = probe.version(jvm);
-    let java_major = version.as_ref().map_or(0, |v| v.major);
-    let safe = safe_while_suspended(version.as_ref());
-    let unsafe_stop = || Ok(memory(U::UnsafeWhileSuspended { java_major }));
-    if suspended && !safe {
-        return unsafe_stop();
-    }
-    // The program may stop during the histogram, and a stopped JDK below 17 hangs on the next
-    // request until it resumes.
-    let stopped_since = || !safe && suspended_now();
-
-    let text = match probe.histogram(jvm) {
-        Ok(text) => text,
-        Err(e) => return attach_failure(probe, jvm, e, "class histogram").map(memory),
-    };
-    let histogram: Vec<ide_heap::HistogramEntry> = ide_jvm_attach::parse_class_histogram(&text)
-        .rows
-        .into_iter()
-        .map(|r| ide_heap::HistogramEntry { name: r.name, instances: r.instances, bytes: r.bytes })
-        .collect();
-    let (instances, bytes) =
-        histogram.iter().fold((0u64, 0u64), |(i, b), e| (i.saturating_add(e.instances), b.saturating_add(e.bytes)));
-    let needed = ide_heap::capture_need(bytes, instances);
-    if let Some(available) = probe.free_bytes(dir)
-        && available < needed
-    {
-        return Ok(JvmHeapOutcome::Unavailable(H::NotEnoughDiskSpace { needed, available }));
-    }
-
-    if stopped_since() {
-        return unsafe_stop();
-    }
-    // Without flags the index assumes the default object layout.
-    let vm_flags = probe.vm_flags(jvm).unwrap_or_else(|e| {
-        tracing::debug!("VM.flags of JVM {jvm}: {e}");
-        String::new()
-    });
-    if cancel.is_cancelled() {
-        return Ok(JvmHeapOutcome::Cancelled);
-    }
-    if stopped_since() {
-        return unsafe_stop();
-    }
-
-    let path = dir.join(DUMP_FILE);
-    let timeout = ide_jvm_attach::dump_timeout(bytes);
-    let started = std::time::Instant::now();
-    let reply = probe.heap_dump(jvm, &path, timeout);
-    let dump_ms = u32::try_from(started.elapsed().as_millis()).unwrap_or(u32::MAX);
-    if cancel.is_cancelled() {
-        return Ok(JvmHeapOutcome::Cancelled);
-    }
-    let failed = |message: String| Ok(JvmHeapOutcome::Unavailable(H::DumpFailed { message }));
-    match reply {
-        Ok(HeapDumpReply::Created { .. }) => {
-            if !std::fs::metadata(&path).is_ok_and(|m| m.is_file() && m.len() > 0) {
-                return failed(format!("the JVM reported a heap dump, but {} is missing or empty", path.display()));
-            }
-            Ok(JvmHeapOutcome::Ready(JvmHeapDump {
-                path,
-                histogram,
-                vm_flags,
-                java_major,
-                java_version: version.map(|v| v.text).unwrap_or_default(),
-                pid: jvm,
-                taken_while_suspended: suspended,
-                dump_ms,
-            }))
-        }
-        Ok(HeapDumpReply::Refused { message }) if message.is_empty() || message.starts_with("Dumping heap to") => {
-            failed(NO_REASON.into())
-        }
-        Ok(HeapDumpReply::Refused { message }) => failed(message),
-        Err(AttachError::Timeout) => {
-            let seconds = u32::try_from(timeout.as_secs()).unwrap_or(u32::MAX);
-            Ok(JvmHeapOutcome::Unavailable(H::DumpTimedOut { seconds }))
-        }
-        // A running JDK rejects an argument with a non-zero result code.
-        Err(AttachError::Command { message, .. }) => failed(message),
-        Err(e) => attach_failure(probe, jvm, e, "heap dump").map(memory),
-    }
-}
-
-fn memory(reason: JvmMemoryUnavailable) -> JvmHeapOutcome {
-    JvmHeapOutcome::Unavailable(JvmHeapUnavailable::Memory { reason })
-}
-
-fn discard(dir: &Path) {
-    if let Err(e) = std::fs::remove_dir_all(dir)
-        && e.kind() != std::io::ErrorKind::NotFound
-    {
-        tracing::warn!("could not delete heap snapshot directory {}: {e}", dir.display());
-    }
-}
-
-/// A dump may be large, so it is deleted off the async threads.
-async fn discard_later(dir: PathBuf) {
-    let _ = tokio::task::spawn_blocking(move || discard(&dir)).await;
-}
@@ -1,251 +0,0 @@
-//! A suspended JVM's instances, fields and referrers, read through the session's
-//! [`JvmInspector`]. An object is only valid within the stop it was read in.
-
-use super::launch_pid;
-use crate::session::Session;
-use ide_core::event::{DebugEvent, JvmBackendState};
-use ide_core::{IdeError, IdeResult};
-use ide_jvm_inspect::{
-    DEFAULT_REFERRERS, InspectError, InspectFuture, JvmField, JvmInspector, JvmReferrer, JvmValue, MAX_INSTANCES,
-    MAX_REFERRERS, ObjectId, VmTarget,
-};
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::sync::Arc;
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct JvmObjectRef {
-    /// The `generation` of the [`JvmInstancesResult`] the object came from.
-    pub generation: u64,
-    pub id: ObjectId,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(tag = "kind", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmInspectUnavailable {
-    /// The session has no inspector: not a JVM session, not ready yet, or turned off.
-    NoBackend,
-    /// The debug adapter lacks what the inspector needs; turned off for the session.
-    Unsupported {
-        detail: String,
-    },
-    NotSuspended,
-    /// The object is from an earlier stop, or the program stopped or resumed meanwhile.
-    Stale,
-    Collected,
-    ClassNotLoaded,
-    VmNotFound,
-    /// Transient: ask again.
-    TimedOut,
-    BackendClosed,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(tag = "status", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmInstancesResult {
-    Ready {
-        /// Goes into the [`JvmObjectRef`] of each instance.
-        generation: u64,
-        instances: Vec<JvmValue>,
-        /// The limit was reached; there may be more.
-        truncated: bool,
-    },
-    Unavailable {
-        reason: JvmInspectUnavailable,
-    },
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(tag = "status", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmFieldsResult {
-    Ready { fields: Vec<JvmField> },
-    Unavailable { reason: JvmInspectUnavailable },
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(tag = "status", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmReferrersResult {
-    Ready { referrers: Vec<JvmReferrer>, truncated: bool },
-    Unavailable { reason: JvmInspectUnavailable },
-}
-
-/// The session's JVM for the inspector: java-debug's VM is found by the launched program's pid
-/// or by the port of an attach (the thread lists of two JVMs can be identical).
-pub(crate) fn vm_target(s: &Session) -> VmTarget {
-    let (pid, attach) = if s.request == "launch" {
-        (u32::try_from(launch_pid(s)).ok().filter(|&p| p > 0), None)
-    } else {
-        (None, s.attach_target.get())
-    };
-    VmTarget {
-        pid,
-        attach_host: attach.map(|(host, _)| host.clone()).filter(|h| !h.is_empty()),
-        attach_port: attach.map(|&(_, port)| port),
-        generation: s.suspended.ticket(),
-    }
-}
-
-pub(crate) fn set_inspector(s: &Session, inspector: Arc<dyn JvmInspector>) {
-    *s.jvm_inspector.lock() = Some(inspector);
-    s.emit(DebugEvent::Capabilities);
-}
-
-pub(crate) async fn instances(s: &Session, class_name: &str, limit: u32) -> IdeResult<JvmInstancesResult> {
-    let limit = limit.clamp(1, MAX_INSTANCES);
-    let call = match Call::begin(s, None).await {
-        Ok(call) => call,
-        Err(reason) => return Ok(JvmInstancesResult::Unavailable { reason }),
-    };
-    let generation = call.target.generation;
-    let result = call.run(call.inspector.instances(&call.target, class_name, limit)).await;
-    Ok(match settle(call.finish(result))? {
-        Ok(instances) => {
-            JvmInstancesResult::Ready { generation, truncated: instances.len() >= limit as usize, instances }
-        }
-        Err(reason) => JvmInstancesResult::Unavailable { reason },
-    })
-}
-
-pub(crate) async fn fields(s: &Session, object: JvmObjectRef) -> IdeResult<JvmFieldsResult> {
-    let call = match Call::begin(s, Some(object.generation)).await {
-        Ok(call) => call,
-        Err(reason) => return Ok(JvmFieldsResult::Unavailable { reason }),
-    };
-    let result = call.run(call.inspector.fields(&call.target, object.id)).await;
-    Ok(match settle(call.finish(result))? {
-        Ok(fields) => JvmFieldsResult::Ready { fields },
-        Err(reason) => JvmFieldsResult::Unavailable { reason },
-    })
-}
-
-pub(crate) async fn referrers(s: &Session, object: JvmObjectRef, limit: u32) -> IdeResult<JvmReferrersResult> {
-    let limit = if limit == 0 { DEFAULT_REFERRERS } else { limit.min(MAX_REFERRERS) };
-    let call = match Call::begin(s, Some(object.generation)).await {
-        Ok(call) => call,
-        Err(reason) => return Ok(JvmReferrersResult::Unavailable { reason }),
-    };
-    let result = call.run(call.inspector.referrers(&call.target, object.id, limit)).await;
-    Ok(match settle(call.finish(result))? {
-        Ok(referrers) => JvmReferrersResult::Ready { truncated: referrers.len() >= limit as usize, referrers },
-        Err(reason) => JvmReferrersResult::Unavailable { reason },
-    })
-}
-
-/// One inspector request. Holds the session's inspect lock and a clone of its inspector, which
-/// [`Call::run`] lets go of when the session ends.
-pub(super) struct Call<'s> {
-    session: &'s Session,
-    pub(super) inspector: Arc<dyn JvmInspector>,
-    pub(super) target: VmTarget,
-    _turn: tokio::sync::MutexGuard<'s, ()>,
-}
-
-impl<'s> Call<'s> {
-    /// `object_generation`: the stop the request's object was read in.
-    pub(super) async fn begin(
-        s: &'s Session,
-        object_generation: Option<u64>,
-    ) -> Result<Call<'s>, JvmInspectUnavailable> {
-        // Checked under the lock: a request queued behind another must see the state it runs in.
-        let turn = s.inspect_lock.lock().await;
-        let Some(inspector) = s.jvm_inspector.lock().clone() else {
-            return Err(JvmInspectUnavailable::NoBackend);
-        };
-        if !s.suspended.get() {
-            return Err(JvmInspectUnavailable::NotSuspended);
-        }
-        let target = vm_target(s);
-        if object_generation.is_some_and(|g| g != target.generation) {
-            return Err(JvmInspectUnavailable::Stale);
-        }
-        Ok(Call { session: s, inspector, target, _turn: turn })
-    }
-
-    pub(super) async fn run<T>(&self, request: InspectFuture<'_, T>) -> Result<T, InspectError> {
-        tokio::select! {
-            result = request => result,
-            () = self.session.ended.cancelled() => Err(InspectError::Closed),
-        }
-    }
-
-    /// The result unless the program stopped or resumed while it was read: a request of several
-    /// commands can straddle a stop. `Unsupported` turns the backend off.
-    pub(super) fn finish<T>(self, result: Result<T, InspectError>) -> Result<T, InspectError> {
-        let s = self.session;
-        match result {
-            Err(InspectError::Unsupported(detail)) => {
-                turn_off(s, &self.inspector, &detail);
-                Err(InspectError::Unsupported(detail))
-            }
-            _ if !s.suspended.get() || s.suspended.ticket() != self.target.generation => Err(InspectError::Stale),
-            result => result,
-        }
-    }
-}
-
-/// An adapter that lacks what the inspector needs will not gain it during the session.
-fn turn_off(s: &Session, inspector: &Arc<dyn JvmInspector>, detail: &str) {
-    let removed = {
-        let mut slot = s.jvm_inspector.lock();
-        // Not one installed since this request began.
-        let current = slot.as_ref().is_some_and(|i| std::ptr::addr_eq(Arc::as_ptr(i), Arc::as_ptr(inspector)));
-        current && slot.take().is_some()
-    };
-    if removed {
-        s.emit(DebugEvent::JvmBackend { state: JvmBackendState::Unsupported { detail: detail.to_owned() } });
-        s.emit(DebugEvent::Capabilities);
-    }
-}
-
-/// A failure the inspector could not classify is an error, not a reason shown to the user.
-fn settle<T>(result: Result<T, InspectError>) -> IdeResult<Result<T, JvmInspectUnavailable>> {
-    use JvmInspectUnavailable as U;
-    let error = match result {
-        Ok(value) => return Ok(Ok(value)),
-        Err(error) => error,
-    };
-    Ok(Err(match error {
-        InspectError::NotSuspended => U::NotSuspended,
-        InspectError::Stale => U::Stale,
-        InspectError::Collected => U::Collected,
-        InspectError::ClassNotLoaded => U::ClassNotLoaded,
-        InspectError::VmNotFound => U::VmNotFound,
-        InspectError::Unsupported(detail) => U::Unsupported { detail },
-        // Also the Kotlin link's `Busy`: the backend stays.
-        InspectError::TimedOut => U::TimedOut,
-        InspectError::Closed => U::BackendClosed,
-        InspectError::Failed(message) => return Err(IdeError::internal(format!("JVM inspector: {message}"))),
-    }))
-}
-
-/// Reports a Kotlin link that stops inspecting or closes. Holds neither the link nor the
-/// session: it ends once the session drops the link, and never drops it itself (after
-/// `VirtualMachine.Dispose` the link is closed but still forwarding the reply).
-pub(crate) fn watch_link(s: &Arc<Session>, link: &ide_jdwp::JdwpLink) {
-    let mut states = link.subscribe();
-    let session = Arc::downgrade(s);
-    tokio::spawn(async move {
-        let mut reported = None;
-        loop {
-            let state = match &*states.borrow_and_update() {
-                ide_jdwp::LinkState::Degraded(detail) => Some(JvmBackendState::Degraded { detail: detail.clone() }),
-                ide_jdwp::LinkState::Closed => Some(JvmBackendState::Closed),
-                _ => None,
-            };
-            if let Some(state) = state
-                && reported.as_ref() != Some(&state)
-            {
-                let Some(s) = session.upgrade() else { return };
-                if s.ended.is_cancelled() || s.terminated.load(std::sync::atomic::Ordering::Acquire) {
-                    return;
-                }
-                s.emit(DebugEvent::JvmBackend { state: state.clone() });
-                reported = Some(state);
-            }
-            if states.changed().await.is_err() {
-                return;
-            }
-        }
-    });
-}
@@ -1,338 +0,0 @@
-//! Class-table snapshots of a debugged JVM, read over the HotSpot attach listener or, where
-//! that is unavailable, counted by the debugger; and the JVM's objects through the debugger.
-
-mod fallback;
-mod heap;
-mod inspect;
-mod scan;
-mod snapshot;
-#[cfg(test)]
-pub(crate) mod test_support;
-#[cfg(test)]
-mod tests;
-
-use crate::session::Session;
-use crate::session::Suspension;
-use ide_core::IdeResult;
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::collections::HashMap;
-use std::sync::Arc;
-use std::sync::atomic::{AtomicI64, Ordering};
-use std::time::Duration;
-
-pub use heap::*;
-pub use inspect::{JvmFieldsResult, JvmInspectUnavailable, JvmInstancesResult, JvmObjectRef, JvmReferrersResult};
-pub(crate) use inspect::{fields, instances, referrers, set_inspector, watch_link};
-#[cfg(all(test, unix))]
-pub(crate) use scan::watch_for_attached_jvm;
-pub(crate) use scan::{JvmFinder, attach_target, find_attached_jvm, find_local_jvm, local_jdwp_port};
-use snapshot::{AttachProbe, JdkProbe, take_snapshot};
-
-pub const JVM_MEMORY_ADAPTERS: &[&str] = &["java-debug", crate::kotlin::ADAPTER, crate::kotlin_lsp::ADAPTER];
-pub const HISTOGRAM_TIMEOUT: Duration = Duration::from_secs(10);
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct JvmClassRow {
-    pub name: String,
-    pub module: Option<String>,
-    pub instances: u64,
-    pub bytes: u64,
-    /// Change since the previous snapshot; `None` on the first one and for ambiguous rows.
-    pub delta_instances: Option<i64>,
-    pub delta_bytes: Option<i64>,
-    /// Several classes share this name (different class loaders), so it has no delta.
-    pub ambiguous: bool,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct JvmMemorySnapshot {
-    /// Largest `bytes` first.
-    pub rows: Vec<JvmClassRow>,
-    pub total_instances: u64,
-    pub total_bytes: u64,
-    /// Empty when unknown.
-    pub java_version: String,
-    pub taken_while_suspended: bool,
-    /// A previous snapshot from the same source exists; deltas are against it.
-    pub has_baseline: bool,
-    /// Wall time of the histogram or count request.
-    pub elapsed_ms: u32,
-    pub source: JvmMemorySource,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum JvmMemorySource {
-    /// `GC.class_histogram -all`: sizes, and objects not yet collected.
-    Histogram,
-    /// JDWP `InstanceCounts`: reachable objects only, no sizes (`bytes` is 0).
-    Debugger,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(tag = "kind", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmMemoryUnavailable {
-    /// An attach session whose JVM is remote, or local but not found by its JDWP port.
-    AttachedJvmNotFound,
-    /// An attach through the IDE's listen-mode relay: the JVM connected to the IDE, so it has
-    /// no JDWP listener to be found by.
-    ListenModeNotSupported,
-    UnsupportedPlatform,
-    NoJvmProcess,
-    ListenerNotRunning,
-    /// `java_major` is 0 when the version is unknown.
-    UnsafeWhileSuspended {
-        java_major: u32,
-    },
-    ProgramExited,
-    TimedOut,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(tag = "status", rename_all = "camelCase", rename_all_fields = "camelCase")]
-pub enum JvmMemoryResult {
-    Ready {
-        snapshot: JvmMemorySnapshot,
-    },
-    Unavailable {
-        reason: JvmMemoryUnavailable,
-        /// The debugger could count the classes if the program were paused.
-        can_count_when_paused: bool,
-    },
-}
-
-/// Instances and bytes per class name, for the next snapshot's deltas; `None` for a name
-/// several classes shared, so it gets no delta next time either.
-type ClassCounts = HashMap<String, Option<(u64, u64)>>;
-
-/// Per-session baseline; its mutex also keeps one class-table request per session at a time.
-#[derive(Default)]
-pub struct JvmMemoryState {
-    /// Shared with the blocking task, so a task that panics leaves it in place.
-    previous: Option<(JvmMemorySource, Arc<ClassCounts>)>,
-}
-
-impl JvmMemoryState {
-    /// The previous snapshot's counts if it came from `source`: counts from the other source
-    /// are not comparable (only reachable objects versus all of them).
-    pub(crate) fn baseline(&self, source: JvmMemorySource) -> Option<Arc<ClassCounts>> {
-        self.previous.as_ref().filter(|(s, _)| *s == source).map(|(_, counts)| counts.clone())
-    }
-
-    pub(crate) fn remember(&mut self, source: JvmMemorySource, counts: ClassCounts) {
-        self.previous = Some((source, Arc::new(counts)));
-    }
-}
-
-pub(crate) async fn session_classes(session: Arc<Session>) -> IdeResult<JvmMemoryResult> {
-    until_located(&session).await;
-    let launched = histogram_pid(&session);
-    // Detached, so a caller that gives up cannot release the lock while the JVM is still
-    // answering and let a second histogram request run next to it.
-    tokio::spawn(async move {
-        let target = session_target(&session, launched);
-        let probe = |suspended| -> Arc<dyn AttachProbe> { Arc::new(JdkProbe { suspended }) };
-        snapshot(&session.jvm_memory, &session.suspended, probe, target, Some(&session)).await
-    })
-    .await
-    .map_err(|e| ide_core::IdeError::internal(format!("JVM memory snapshot failed: {e}")))?
-}
-
-/// Bounds the wait of [`until_located`]; `configure` has its own timeouts, this only guards them.
-const LOCATE_WAIT: Duration = Duration::from_secs(30);
-
-/// Until `configure` has recorded where `session`'s JVM is. The Memory view asks as soon as the
-/// session appears; looked up earlier, an attached JVM is reported as missing.
-async fn until_located(session: &Session) {
-    let mut located = session.jvm_located.subscribe();
-    tokio::select! {
-        _ = located.wait_for(|v| *v) => {}
-        () = session.ended.cancelled() => {}
-        () = tokio::time::sleep(LOCATE_WAIT) => {}
-    }
-}
-
-/// `launched`: [`histogram_pid`] of `session`.
-fn session_target(session: &Session, launched: Result<Option<i32>, JvmMemoryUnavailable>) -> JvmTarget<'_> {
-    match launched {
-        Ok(Some(pid)) => JvmTarget::Launched(pid),
-        Ok(None) => JvmTarget::Attached { pid: &session.jvm_pid, jdwp_port: session.jdwp_port.get().copied() },
-        Err(reason) => JvmTarget::Unavailable(reason),
-    }
-}
-
-/// The pid of a launch session's program (`None` for an attach session), or why no histogram
-/// can be taken.
-fn histogram_pid(session: &Session) -> Result<Option<i32>, JvmMemoryUnavailable> {
-    if !JVM_MEMORY_ADAPTERS.contains(&session.adapter.as_str()) {
-        return Err(JvmMemoryUnavailable::NoJvmProcess);
-    }
-    if !cfg!(unix) {
-        return Err(JvmMemoryUnavailable::UnsupportedPlatform);
-    }
-    if session.request == "launch" {
-        return match i32::try_from(launch_pid(session)).ok().filter(|&p| p > 0) {
-            Some(pid) => Ok(Some(pid)),
-            None => Err(JvmMemoryUnavailable::NoJvmProcess),
-        };
-    }
-    if session.jvm_pid.load(Ordering::Acquire) <= 0 {
-        if session.terminated.load(Ordering::Acquire) {
-            return Err(JvmMemoryUnavailable::ProgramExited);
-        }
-        if session.listen_relay.load(Ordering::Acquire) {
-            return Err(JvmMemoryUnavailable::ListenModeNotSupported);
-        }
-    }
-    Ok(None)
-}
-
-/// The JVM a launch session started: the one the IDE started for an app-launched (Kotlin)
-/// session, else the program the adapter reported; 0 when neither is known.
-pub(crate) fn launch_pid(session: &Session) -> i64 {
-    match session.jvm_pid.load(Ordering::Acquire) {
-        p if p > 0 => p,
-        _ => session.debuggee_pid.load(Ordering::Acquire),
-    }
-}
-
-#[derive(Clone, Copy)]
-pub(crate) enum JvmTarget<'a> {
-    /// The program a launch session started: its pid and everything it started.
-    Launched(i32),
-    /// The JVM of an attach session. While `pid` is 0 it is looked up by `jdwp_port`, which is
-    /// `None` for a remote JVM.
-    Attached { pid: &'a AtomicI64, jdwp_port: Option<u16> },
-    /// Known without asking any JVM: no histogram can be taken, for this reason.
-    Unavailable(JvmMemoryUnavailable),
-}
-
-enum Lookup {
-    Tree(i32),
-    Known(i32),
-    Scan(u16),
-}
-
-/// `probe` is built from the suspension read once the lock is held: a request queued behind
-/// another must not decide on a state from before the program hit a breakpoint. Where no
-/// histogram can be taken, `debugger` (the session) may count the classes instead.
-pub(crate) async fn snapshot(
-    state: &tokio::sync::Mutex<JvmMemoryState>,
-    suspended: &Suspension,
-    probe: impl FnOnce(bool) -> Arc<dyn AttachProbe>,
-    target: JvmTarget<'_>,
-    debugger: Option<&Session>,
-) -> IdeResult<JvmMemoryResult> {
-    let mut state = state.lock().await;
-    let outcome = histogram(&mut state, suspended, probe, target).await?;
-    fallback::or_debugger_counts(&mut state, outcome, debugger).await
-}
-
-async fn histogram(
-    state: &mut JvmMemoryState,
-    suspended: &Suspension,
-    probe: impl FnOnce(bool) -> Arc<dyn AttachProbe>,
-    target: JvmTarget<'_>,
-) -> IdeResult<Result<JvmMemorySnapshot, JvmMemoryUnavailable>> {
-    let suspended = suspended.get();
-    let lookup = match lookup(target) {
-        Ok(lookup) => lookup,
-        Err(reason) => return Ok(Err(reason)),
-    };
-    let probe = probe(suspended);
-    let previous = state.baseline(JvmMemorySource::Histogram);
-    let (found, outcome) = tokio::task::spawn_blocking(move || match resolve_jvm(lookup, &*probe, suspended) {
-        Ok((tree, found)) => (found, take_snapshot(&*probe, &tree, suspended, previous.as_deref())),
-        Err(reason) => (None, Ok(Err(reason))),
-    })
-    .await
-    .map_err(|e| ide_core::IdeError::internal(format!("JVM memory snapshot failed: {e}")))?;
-    keep_found(target, found);
-    Ok(outcome?.map(|(snapshot, counts)| {
-        state.remember(JvmMemorySource::Histogram, counts);
-        snapshot
-    }))
-}
-
-/// Where to look for `target`'s JVM, or why there is none to ask.
-fn lookup(target: JvmTarget<'_>) -> Result<Lookup, JvmMemoryUnavailable> {
-    match target {
-        JvmTarget::Launched(pid) => Ok(Lookup::Tree(pid)),
-        JvmTarget::Attached { pid, jdwp_port } => match i32::try_from(pid.load(Ordering::Acquire)) {
-            Ok(p) if p > 0 => Ok(Lookup::Known(p)),
-            _ => jdwp_port.map(Lookup::Scan).ok_or(JvmMemoryUnavailable::AttachedJvmNotFound),
-        },
-        JvmTarget::Unavailable(reason) => Err(reason),
-    }
-}
-
-/// Blocking. The pids to pick the JVM from, and the pid a scan found (for [`keep_found`]).
-fn resolve_jvm(
-    lookup: Lookup,
-    probe: &dyn AttachProbe,
-    suspended: bool,
-) -> Result<(Vec<i32>, Option<i32>), JvmMemoryUnavailable> {
-    match lookup {
-        Lookup::Tree(pid) => Ok((pid_tree(pid), None)),
-        Lookup::Known(pid) => Ok((vec![pid], None)),
-        Lookup::Scan(port) => scan_for_jvm(probe, port, suspended).map(|pid| (vec![pid], Some(pid))),
-    }
-}
-
-fn keep_found(target: JvmTarget<'_>, found: Option<i32>) {
-    if let (Some(found), JvmTarget::Attached { pid, .. }) = (found, target) {
-        // The attach-time scan may have found it meanwhile; either answer is the same JVM.
-        let _ = pid.compare_exchange(0, i64::from(found), Ordering::AcqRel, Ordering::Acquire);
-    }
-}
-
-/// A suspended JDK below 17 hangs on an attach request, so while suspended only a JVM known to
-/// be 17 or later is asked anything. Pass a version read without attaching (the `release` file).
-fn safe_while_suspended(version: Option<&ide_jvm_attach::JavaVersion>) -> bool {
-    version.is_some_and(|v| ide_jvm_attach::histogram_safe_while_suspended(v.major))
-}
-
-/// The JVM listening on JDWP `port`. While suspended the scan reaches the session's own JVM
-/// too, so JVMs unsafe to ask are skipped, and when one of them may be the session's the
-/// answer is a refusal rather than "not found".
-fn scan_for_jvm(probe: &dyn AttachProbe, port: u16, suspended: bool) -> Result<i32, JvmMemoryUnavailable> {
-    // Majors of the JVMs left out; 0 for an unknown version.
-    let skipped = std::cell::RefCell::new(std::collections::BTreeSet::new());
-    let may_query = |pid: u32| {
-        if !suspended {
-            return true;
-        }
-        let version = probe.version(pid);
-        let safe = safe_while_suspended(version.as_ref());
-        if !safe {
-            skipped.borrow_mut().insert(version.map_or(0, |v| v.major));
-        }
-        safe
-    };
-    match probe.find_by_jdwp_port(port, &may_query).and_then(|p| i32::try_from(p).ok()) {
-        Some(pid) if pid > 0 => Ok(pid),
-        _ => {
-            let skipped = skipped.into_inner();
-            Err(match skipped.first() {
-                None => JvmMemoryUnavailable::AttachedJvmNotFound,
-                Some(&major) => JvmMemoryUnavailable::UnsafeWhileSuspended {
-                    java_major: if skipped.len() == 1 { major } else { 0 },
-                },
-            })
-        }
-    }
-}
-
-fn pid_tree(pid: i32) -> Vec<i32> {
-    #[cfg(unix)]
-    {
-        ide_core::process::process_tree(pid)
-    }
-    #[cfg(not(unix))]
-    {
-        vec![pid]
-    }
-}
@@ -1,146 +0,0 @@
-//! Finding the JVM behind an attach session by its JDWP port.
-
-use super::safe_while_suspended;
-use crate::session::Session;
-use serde_json::Value;
-use std::net::IpAddr;
-use std::sync::Arc;
-use std::sync::atomic::Ordering;
-use std::time::Duration;
-
-/// One try of the scan at attach time, and the limit per socket within it: a silent socket's
-/// query thread lives that long, so a longer per-socket limit piles threads up across tries.
-const ATTACH_SCAN_TRY: Duration = Duration::from_millis(500);
-const ATTACH_SCAN_INTERVAL: Duration = Duration::from_millis(150);
-/// The JVM's attach socket can appear a little after the JDWP "Listening" banner, which is
-/// when the IDE attaches.
-const ATTACH_SCAN_WINDOW: Duration = Duration::from_secs(3);
-/// The single scan a refresh makes while the attach-time one found nothing.
-pub(super) const RESCAN_PER_SOCKET: Duration = Duration::from_secs(1);
-pub(super) const RESCAN_BUDGET: Duration = Duration::from_secs(2);
-
-/// JDWP port of an attach to this machine (`hostName` loopback or absent): only such a JVM has
-/// an attach socket the IDE can find.
-pub(crate) fn local_jdwp_port(arguments: &Value) -> Option<u16> {
-    let local = match arguments.get("hostName") {
-        None | Some(Value::Null) => true,
-        Some(Value::String(host)) => {
-            let host = host.trim();
-            let ip = host.strip_prefix('[').and_then(|h| h.strip_suffix(']')).unwrap_or(host);
-            host.eq_ignore_ascii_case("localhost") || ip.parse::<IpAddr>().is_ok_and(|ip| ip.is_loopback())
-        }
-        Some(_) => false,
-    };
-    jdwp_port(arguments).filter(|_| local)
-}
-
-/// `port` of an attach request: a number or a numeric string, never 0.
-fn jdwp_port(arguments: &Value) -> Option<u16> {
-    let port = match arguments.get("port")? {
-        Value::Number(n) => n.as_u64().and_then(|p| u16::try_from(p).ok()),
-        Value::String(s) => s.trim().parse().ok(),
-        _ => None,
-    };
-    port.filter(|&p| p != 0)
-}
-
-/// `hostName` (empty when absent) and `port` of an attach request, local or not.
-pub(crate) fn attach_target(arguments: &Value) -> Option<(String, u16)> {
-    let host = arguments.get("hostName").and_then(Value::as_str).unwrap_or_default();
-    Some((host.to_owned(), jdwp_port(arguments)?))
-}
-
-/// Pid of the local JVM listening on a JDWP port (first argument), given whether the session is
-/// suspended (second). Replaceable so tests never send attach requests to real JVMs.
-pub(crate) type JvmFinder = Arc<dyn Fn(u16, bool) -> Option<u32> + Send + Sync>;
-
-/// The [`JvmFinder`] of the attach-time scan.
-pub(crate) fn find_local_jvm(port: u16, suspended: bool) -> Option<u32> {
-    let may_query = |pid| !suspended || safe_while_suspended(ide_jvm_attach::java_version_of(pid).as_ref());
-    ide_jvm_attach::find_jvm_by_jdwp_port(port, ATTACH_SCAN_TRY, ATTACH_SCAN_TRY, may_query)
-}
-
-/// Looks for the JVM behind a local attach: one try now, the rest in the background, so a JVM
-/// that never opens an attach socket holds the attach up by one try at most. Call it before the
-/// debugger connects: the JVM clears its JDWP listener address then, and a scan can no longer
-/// tell it by its port.
-pub(crate) async fn find_attached_jvm(session: &Arc<Session>, port: u16, finder: JvmFinder) {
-    let _ = session.jdwp_port.set(port);
-    let find = move |suspended: bool| finder(port, suspended);
-    let first = find.clone();
-    if let Ok(Some(pid)) = tokio::task::spawn_blocking(move || first(false)).await {
-        let _ = session.jvm_pid.compare_exchange(0, i64::from(pid), Ordering::AcqRel, Ordering::Acquire);
-        return;
-    }
-    drop(watch_for_attached_jvm(session, port, find, ATTACH_SCAN_INTERVAL, ATTACH_SCAN_WINDOW));
-}
-
-/// Retries `find` for the session's `jvm_pid`, holding the session weakly so an ended session
-/// is not kept alive. `find` is told whether the session is suspended.
-pub(crate) fn watch_for_attached_jvm<F>(
-    session: &Arc<Session>,
-    port: u16,
-    find: F,
-    interval: Duration,
-    window: Duration,
-) -> tokio::task::JoinHandle<()>
-where
-    F: Fn(bool) -> Option<u32> + Clone + Send + 'static,
-{
-    let weak = Arc::downgrade(session);
-    tokio::spawn(async move {
-        let gate = || match weak.upgrade() {
-            Some(s) if !s.terminated.load(Ordering::Acquire) && !s.conn.is_closed() => {
-                if s.jvm_pid.load(Ordering::Acquire) > 0 {
-                    ScanGate::Ended
-                } else {
-                    ScanGate::Scan { suspended: s.suspended.get() }
-                }
-            }
-            _ => ScanGate::Ended,
-        };
-        let Some(pid) = retry_find(find, gate, interval, window).await else {
-            tracing::debug!("no local JVM found for JDWP port {port} yet");
-            return;
-        };
-        if let Some(s) = weak.upgrade() {
-            let _ = s.jvm_pid.compare_exchange(0, i64::from(pid), Ordering::AcqRel, Ordering::Acquire);
-        }
-    })
-}
-
-#[derive(Clone, Copy, Debug, PartialEq)]
-pub(crate) enum ScanGate {
-    Scan { suspended: bool },
-    Ended,
-}
-
-/// Calls `find` on a blocking thread, on each try `gate` allows, until it returns a pid, `gate`
-/// reports the end or `window` has passed.
-pub(crate) async fn retry_find<F>(
-    find: F,
-    gate: impl Fn() -> ScanGate,
-    interval: Duration,
-    window: Duration,
-) -> Option<u32>
-where
-    F: Fn(bool) -> Option<u32> + Clone + Send + 'static,
-{
-    let deadline = tokio::time::Instant::now() + window;
-    loop {
-        match gate() {
-            ScanGate::Ended => break,
-            ScanGate::Scan { suspended } => {
-                let find = find.clone();
-                if let Ok(Some(pid)) = tokio::task::spawn_blocking(move || find(suspended)).await {
-                    return Some(pid);
-                }
-            }
-        }
-        if tokio::time::Instant::now() + interval >= deadline {
-            break;
-        }
-        tokio::time::sleep(interval).await;
-    }
-    None
-}
@@ -1,214 +0,0 @@
-//! One class histogram of a JVM and its deltas against the previous one.
-
-use super::scan::{RESCAN_BUDGET, RESCAN_PER_SOCKET};
-use super::{
-    ClassCounts, HISTOGRAM_TIMEOUT, JvmClassRow, JvmMemorySnapshot, JvmMemorySource, JvmMemoryUnavailable,
-    safe_while_suspended,
-};
-use ide_core::IdeResult;
-use ide_jvm_attach::{AttachError, HeapDumpReply, HistogramRow, JavaVersion};
-use std::collections::HashMap;
-use std::path::Path;
-use std::time::Duration;
-
-/// Version probe for a JVM whose `release` file could not be read.
-const VERSION_TIMEOUT: Duration = Duration::from_secs(2);
-const FLAGS_TIMEOUT: Duration = Duration::from_secs(2);
-
-/// The attach calls a snapshot or a heap dump makes, so tests can stand in for a JVM.
-pub(crate) trait AttachProbe: Send + Sync {
-    fn has_listener(&self, pid: u32) -> bool;
-    /// Asks only the JVMs whose pid `may_query` accepts.
-    fn find_by_jdwp_port(&self, port: u16, may_query: &dyn Fn(u32) -> bool) -> Option<u32>;
-    fn version(&self, pid: u32) -> Option<JavaVersion>;
-    fn histogram(&self, pid: u32) -> Result<String, AttachError>;
-    fn alive(&self, pid: u32) -> bool;
-    fn vm_flags(&self, pid: u32) -> Result<String, AttachError>;
-    fn heap_dump(&self, pid: u32, path: &Path, timeout: Duration) -> Result<HeapDumpReply, AttachError>;
-    /// `None` where the free space is not known.
-    fn free_bytes(&self, dir: &Path) -> Option<u64>;
-}
-
-pub(super) struct JdkProbe {
-    pub(super) suspended: bool,
-}
-
-impl AttachProbe for JdkProbe {
-    fn has_listener(&self, pid: u32) -> bool {
-        ide_jvm_attach::has_listener(pid)
-    }
-
-    fn find_by_jdwp_port(&self, port: u16, may_query: &dyn Fn(u32) -> bool) -> Option<u32> {
-        ide_jvm_attach::find_jvm_by_jdwp_port(port, RESCAN_PER_SOCKET, RESCAN_BUDGET, may_query)
-    }
-
-    fn version(&self, pid: u32) -> Option<JavaVersion> {
-        ide_jvm_attach::java_version_of(pid).or_else(|| {
-            // The version decides whether attaching to a suspended VM hangs it, so never
-            // attach to learn it while suspended.
-            if self.suspended {
-                return None;
-            }
-            let out = ide_jvm_attach::jcmd(pid, "VM.version", VERSION_TIMEOUT).ok()?;
-            ide_jvm_attach::parse_vm_version(&out)
-        })
-    }
-
-    fn histogram(&self, pid: u32) -> Result<String, AttachError> {
-        ide_jvm_attach::jcmd(pid, "GC.class_histogram -all", HISTOGRAM_TIMEOUT)
-    }
-
-    fn alive(&self, pid: u32) -> bool {
-        alive(pid)
-    }
-
-    fn vm_flags(&self, pid: u32) -> Result<String, AttachError> {
-        ide_jvm_attach::vm_flags(pid, FLAGS_TIMEOUT)
-    }
-
-    fn heap_dump(&self, pid: u32, path: &Path, timeout: Duration) -> Result<HeapDumpReply, AttachError> {
-        ide_jvm_attach::heap_dump(pid, path, timeout)
-    }
-
-    fn free_bytes(&self, dir: &Path) -> Option<u64> {
-        ide_heap::free_bytes(dir)
-    }
-}
-
-fn alive(pid: u32) -> bool {
-    #[cfg(unix)]
-    {
-        // 0 and negative pids address process groups.
-        let Ok(pid) = i32::try_from(pid) else { return false };
-        // SAFETY: signal 0 only checks that the process exists and may be signalled.
-        pid > 0
-            && (unsafe { libc::kill(pid, 0) } == 0
-                || std::io::Error::last_os_error().raw_os_error() == Some(libc::EPERM))
-    }
-    #[cfg(not(unix))]
-    {
-        let _ = pid;
-        false
-    }
-}
-
-/// Why `pid`'s attach listener cannot answer: it stopped listening or the program ended.
-pub(super) fn gone(probe: &dyn AttachProbe, pid: u32) -> JvmMemoryUnavailable {
-    if probe.alive(pid) { JvmMemoryUnavailable::ListenerNotRunning } else { JvmMemoryUnavailable::ProgramExited }
-}
-
-/// The reason for an attach request (`what`) to `jvm` that failed, or an error where no reason
-/// fits.
-pub(super) fn attach_failure(
-    probe: &dyn AttachProbe,
-    jvm: u32,
-    error: AttachError,
-    what: &str,
-) -> IdeResult<JvmMemoryUnavailable> {
-    use JvmMemoryUnavailable as U;
-    match error {
-        AttachError::Timeout => Ok(U::TimedOut),
-        AttachError::Refused | AttachError::NoListener => Ok(gone(probe, jvm)),
-        AttachError::ForeignListener => {
-            tracing::warn!("attach socket of JVM {jvm} is no longer private to this user; not using it");
-            Ok(U::ListenerNotRunning)
-        }
-        AttachError::Unsupported => Ok(U::UnsupportedPlatform),
-        e => Err(ide_core::IdeError::internal(format!("{what} of JVM {jvm}: {e}"))),
-    }
-}
-
-pub(crate) fn pick_jvm_pid(tree: &[i32], has_listener: impl Fn(u32) -> bool) -> Option<u32> {
-    tree.iter().filter_map(|&p| u32::try_from(p).ok()).filter(|&p| p > 0).find(|&p| has_listener(p))
-}
-
-pub(crate) fn diff_rows(rows: Vec<HistogramRow>, previous: Option<&ClassCounts>) -> (Vec<JvmClassRow>, ClassCounts) {
-    let mut seen: HashMap<&str, u32> = HashMap::with_capacity(rows.len());
-    for r in &rows {
-        *seen.entry(r.name.as_str()).or_default() += 1;
-    }
-    let ambiguous: Vec<bool> = rows.iter().map(|r| seen[r.name.as_str()] > 1).collect();
-    drop(seen);
-
-    let mut counts = ClassCounts::with_capacity(rows.len());
-    let mut out: Vec<JvmClassRow> = rows
-        .into_iter()
-        .zip(ambiguous)
-        .map(|(r, ambiguous)| {
-            counts.insert(r.name.clone(), (!ambiguous).then_some((r.instances, r.bytes)));
-            let delta = match previous {
-                _ if ambiguous => None,
-                None => None,
-                Some(p) => match p.get(&r.name) {
-                    Some(None) => None,
-                    // Absent: new since the previous snapshot, so it grew from nothing.
-                    before => {
-                        let (instances, bytes) = before.copied().flatten().unwrap_or_default();
-                        Some((delta(r.instances, instances), delta(r.bytes, bytes)))
-                    }
-                },
-            };
-            JvmClassRow {
-                name: r.name,
-                module: r.module,
-                instances: r.instances,
-                bytes: r.bytes,
-                delta_instances: delta.map(|d| d.0),
-                delta_bytes: delta.map(|d| d.1),
-                ambiguous,
-            }
-        })
-        .collect();
-    out.sort_by(|a, b| b.bytes.cmp(&a.bytes).then_with(|| a.name.cmp(&b.name)));
-    (out, counts)
-}
-
-/// Exact while the difference fits in an i64 (two's complement).
-fn delta(now: u64, before: u64) -> i64 {
-    now.wrapping_sub(before) as i64
-}
-
-/// `pid_tree` starts with the session's reported pid, followed by its descendants.
-pub(crate) fn take_snapshot(
-    probe: &dyn AttachProbe,
-    pid_tree: &[i32],
-    suspended: bool,
-    previous: Option<&ClassCounts>,
-) -> IdeResult<Result<(JvmMemorySnapshot, ClassCounts), JvmMemoryUnavailable>> {
-    use JvmMemoryUnavailable as U;
-    let Some(root) = pid_tree.first().and_then(|&p| u32::try_from(p).ok()) else {
-        return Ok(Err(U::NoJvmProcess));
-    };
-    let Some(jvm) = pick_jvm_pid(pid_tree, |p| probe.has_listener(p)) else {
-        return Ok(Err(gone(probe, root)));
-    };
-
-    let version = probe.version(jvm);
-    if suspended && !safe_while_suspended(version.as_ref()) {
-        return Ok(Err(U::UnsafeWhileSuspended { java_major: version.map_or(0, |v| v.major) }));
-    }
-
-    let started = std::time::Instant::now();
-    let text = match probe.histogram(jvm) {
-        Ok(text) => text,
-        Err(e) => return attach_failure(probe, jvm, e, "class histogram").map(Err),
-    };
-    let elapsed_ms = u32::try_from(started.elapsed().as_millis()).unwrap_or(u32::MAX);
-
-    let histogram = ide_jvm_attach::parse_class_histogram(&text);
-    if histogram.skipped_lines > 0 {
-        tracing::debug!("class histogram of JVM {jvm}: {} unreadable lines", histogram.skipped_lines);
-    }
-    let (rows, counts) = diff_rows(histogram.rows, previous);
-    let snapshot = JvmMemorySnapshot {
-        total_instances: rows.iter().map(|r| r.instances).sum(),
-        total_bytes: rows.iter().map(|r| r.bytes).sum(),
-        rows,
-        java_version: version.map(|v| v.text).unwrap_or_default(),
-        taken_while_suspended: suspended,
-        has_baseline: previous.is_some(),
-        elapsed_ms,
-        source: JvmMemorySource::Histogram,
-    };
-    Ok(Ok((snapshot, counts)))
-}
@@ -1,119 +0,0 @@
-//! A scripted [`JvmInspector`] and a session without an adapter behind it.
-
-use crate::SessionOwner;
-use crate::adapter::{AdapterSpec, Transport};
-use crate::connection::Connection;
-use crate::session::Session;
-use ide_core::{DebugSessionId, IdeEvent, SharedSink};
-use ide_jvm_inspect::{
-    ClassCount, InspectError, InspectFuture, JvmField, JvmInspector, JvmReferrer, JvmValue, ObjectId, VmTarget,
-};
-use parking_lot::Mutex;
-use std::sync::Arc;
-use std::sync::atomic::{AtomicUsize, Ordering};
-use tokio::sync::Notify;
-
-#[derive(Default)]
-pub(crate) struct FakeInspector {
-    pub targets: Mutex<Vec<VmTarget>>,
-    /// The `limit` of each `instances` / `referrers` call.
-    pub limits: Mutex<Vec<u32>>,
-    pub calls: AtomicUsize,
-    /// Returned by every call when set.
-    pub error: Mutex<Option<InspectError>>,
-    pub counts: Mutex<Vec<ClassCount>>,
-    pub instances: Mutex<Vec<JvmValue>>,
-    /// Every call signals `entered`, then waits for `release`.
-    pub hold: bool,
-    pub entered: Notify,
-    pub release: Notify,
-}
-
-impl FakeInspector {
-    pub fn failing(error: InspectError) -> Self {
-        Self { error: Mutex::new(Some(error)), ..Self::default() }
-    }
-
-    pub fn calls(&self) -> usize {
-        self.calls.load(Ordering::SeqCst)
-    }
-
-    async fn answer<T: Send>(&self, target: &VmTarget, limit: Option<u32>, ok: T) -> Result<T, InspectError> {
-        self.calls.fetch_add(1, Ordering::SeqCst);
-        self.targets.lock().push(target.clone());
-        self.limits.lock().extend(limit);
-        if self.hold {
-            self.entered.notify_one();
-            self.release.notified().await;
-        }
-        match self.error.lock().clone() {
-            Some(e) => Err(e),
-            None => Ok(ok),
-        }
-    }
-}
-
-impl JvmInspector for FakeInspector {
-    fn class_counts<'a>(&'a self, target: &'a VmTarget) -> InspectFuture<'a, Vec<ClassCount>> {
-        Box::pin(self.answer(target, None, self.counts.lock().clone()))
-    }
-
-    fn instances<'a>(&'a self, target: &'a VmTarget, _: &'a str, limit: u32) -> InspectFuture<'a, Vec<JvmValue>> {
-        Box::pin(self.answer(target, Some(limit), self.instances.lock().clone()))
-    }
-
-    fn fields<'a>(&'a self, target: &'a VmTarget, _: ObjectId) -> InspectFuture<'a, Vec<JvmField>> {
-        Box::pin(self.answer(target, None, Vec::new()))
-    }
-
-    fn referrers<'a>(&'a self, target: &'a VmTarget, _: ObjectId, limit: u32) -> InspectFuture<'a, Vec<JvmReferrer>> {
-        Box::pin(self.answer(target, Some(limit), Vec::new()))
-    }
-}
-
-pub(crate) struct BareSession {
-    pub session: Arc<Session>,
-    pub events: Arc<Mutex<Vec<IdeEvent>>>,
-    /// The adapter's end of the connection, kept open.
-    _adapter: tokio::io::DuplexStream,
-}
-
-/// A java-debug session that no adapter answers; must be called inside a Tokio runtime.
-pub(crate) fn bare_session(request: &str) -> BareSession {
-    bare_session_of("java-debug", request)
-}
-
-/// A session of adapter `name` that no adapter answers; must be called inside a Tokio runtime.
-pub(crate) fn bare_session_of(name: &str, request: &str) -> BareSession {
-    let events: Arc<Mutex<Vec<IdeEvent>>> = Arc::default();
-    let sink_events = events.clone();
-    let sink: SharedSink = Arc::new(move |e: IdeEvent| sink_events.lock().push(e));
-    let (client, adapter) = tokio::io::duplex(1 << 10);
-    let (reader, writer) = tokio::io::split(client);
-    let (conn, _) = Connection::start(reader, writer);
-    let spec = AdapterSpec {
-        adapter: name.into(),
-        command: String::new(),
-        args: Vec::new(),
-        transport: Transport::Stdio,
-        install_hint: None,
-        cwd: std::env::temp_dir(),
-        env: Vec::new(),
-        server_host: None,
-        connect: None,
-        pinned: None,
-    };
-    let session = Session::new(
-        DebugSessionId(1),
-        SessionOwner::new("test", sink),
-        "test".into(),
-        name.into(),
-        None,
-        request.into(),
-        conn,
-        spec,
-        None,
-        None,
-    );
-    BareSession { session: Arc::new(session), events, _adapter: adapter }
-}
@@ -9,17 +9,6 @@ use std::{

 pub const ADAPTER: &str = "kotlin-debug-adapter";

-/// fwcd's adapter or kotlin-lsp's: both debug a JVM the IDE starts, through the JDWP link.
-pub fn is_kotlin(adapter: &str) -> bool {
-    adapter == ADAPTER || adapter == crate::kotlin_lsp::ADAPTER
-}
-
-/// fwcd's adapter resumes the VM while constructing its debuggee, before its breakpoint hooks
-/// exist, so only its link holds resumes back until the attach is done.
-pub(crate) fn link_options(adapter: &str) -> ide_jdwp::LinkOptions {
-    ide_jdwp::LinkOptions { hold_resumes: adapter == ADAPTER }
-}
-
 pub struct SourceMirror {
    dir: tempfile::TempDir,
    paths: HashMap<PathBuf, PathBuf>,
@@ -0,0 +1,166 @@
+//! Keep a suspended JVM stopped until Kotlin's adapter has installed its listeners.
+//! The official 0.4.4 adapter resumes VMStart while constructing its debuggee, before
+//! installing breakpoint hooks. DAP attach completes only after those hooks exist.
+use ide_core::IdeResult;
+use std::{io, time::Duration};
+use tokio::{
+    io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt},
+    net::{TcpListener, TcpStream},
+    sync::oneshot,
+    task::JoinHandle,
+};
+
+pub(crate) struct StartupRelay {
+    release: Option<oneshot::Sender<()>>,
+    task: JoinHandle<()>,
+}
+
+impl StartupRelay {
+    pub async fn start(host: String, port: u16) -> IdeResult<(Self, u16)> {
+        let listener = TcpListener::bind(("127.0.0.1", 0)).await?;
+        let local = listener.local_addr()?.port();
+        let (release, ready) = oneshot::channel();
+        let task = tokio::spawn(async move {
+            let connect = async {
+                let (adapter, _) = listener.accept().await?;
+                let jvm = TcpStream::connect((host.as_str(), port)).await?;
+                adapter.set_nodelay(true)?;
+                jvm.set_nodelay(true)?;
+                Ok::<_, io::Error>((adapter, jvm))
+            };
+            if let Ok(Ok((adapter, jvm))) = tokio::time::timeout(Duration::from_secs(60), connect).await {
+                let (mut ar, mut aw) = adapter.into_split();
+                let (mut jr, mut jw) = jvm.into_split();
+                let upstream = forward(&mut ar, &mut jw, ready);
+                let downstream = tokio::io::copy(&mut jr, &mut aw);
+                // Close both sockets as soon as either side disconnects.
+                tokio::select! {
+                    r = upstream => if let Err(e) = r { tracing::debug!("Kotlin JDWP relay: {e}"); },
+                    _ = downstream => {},
+                }
+            }
+        });
+        Ok((Self { release: Some(release), task }, local))
+    }
+
+    pub fn release(&mut self) {
+        if let Some(ready) = self.release.take() {
+            let _ = ready.send(());
+        }
+    }
+}
+
+impl Drop for StartupRelay {
+    fn drop(&mut self) {
+        self.task.abort();
+    }
+}
+
+async fn packet(reader: &mut (impl AsyncRead + Unpin)) -> io::Result<Vec<u8>> {
+    let mut header = [0; 11];
+    reader.read_exact(&mut header).await?;
+    let len = u32::from_be_bytes(header[..4].try_into().unwrap()) as usize;
+    if !(11..=16 * 1024 * 1024).contains(&len) {
+        return Err(io::Error::new(io::ErrorKind::InvalidData, "Invalid JDWP packet length"));
+    }
+    let mut packet = vec![0; len];
+    packet[..11].copy_from_slice(&header);
+    reader.read_exact(&mut packet[11..]).await?;
+    Ok(packet)
+}
+
+async fn forward(
+    reader: &mut (impl AsyncRead + Unpin),
+    writer: &mut (impl AsyncWrite + Unpin),
+    mut ready: oneshot::Receiver<()>,
+) -> io::Result<()> {
+    let mut handshake = [0; 14];
+    reader.read_exact(&mut handshake).await?;
+    if &handshake != b"JDWP-Handshake" {
+        return Err(io::Error::new(io::ErrorKind::InvalidData, "Invalid JDWP handshake"));
+    }
+    writer.write_all(&handshake).await?;
+    let mut released = false;
+    let mut held: Vec<Vec<u8>> = Vec::new();
+    loop {
+        // Retain the in-flight read when attach completes, including partial packets.
+        let read = packet(reader);
+        tokio::pin!(read);
+        let packet = tokio::select! {
+            result = &mut read => result?,
+            result = &mut ready, if !released => {
+                result.map_err(|_| io::Error::new(io::ErrorKind::ConnectionAborted, "Kotlin attach cancelled"))?;
+                released = true;
+                for packet in held.drain(..) {
+                    writer.write_all(&packet).await?;
+                }
+                read.await?
+            }
+        };
+        // JDWP VirtualMachine.Resume (1/9), ThreadReference.Resume (11/3).
+        // Other commands must proceed: attach itself queries threads and installs requests.
+        if !released && packet[8] == 0 && matches!((packet[9], packet[10]), (1, 9) | (11, 3)) {
+            if held.len() >= 1024 {
+                return Err(io::Error::new(io::ErrorKind::InvalidData, "Too many pending JDWP resumes"));
+            }
+            held.push(packet);
+        } else {
+            writer.write_all(&packet).await?;
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn command(id: u8, set: u8, cmd: u8) -> Vec<u8> {
+        vec![0, 0, 0, 11, 0, 0, 0, id, 0, set, cmd]
+    }
+
+    #[tokio::test]
+    async fn holds_resumes_but_allows_setup_and_preserves_partial_reads() {
+        let (mut adapter, mut reader) = tokio::io::duplex(4096);
+        let (mut writer, mut jvm) = tokio::io::duplex(4096);
+        let (release, ready) = oneshot::channel();
+        let task = tokio::spawn(async move { forward(&mut reader, &mut writer, ready).await });
+        adapter.write_all(b"JDWP-Handshake").await.unwrap();
+        let mut handshake = [0; 14];
+        jvm.read_exact(&mut handshake).await.unwrap();
+        assert_eq!(&handshake, b"JDWP-Handshake");
+        let resume = command(1, 1, 9);
+        let thread_resume = command(2, 11, 3);
+        let setup = command(3, 1, 4);
+        adapter.write_all(&resume).await.unwrap();
+        adapter.write_all(&thread_resume).await.unwrap();
+        adapter.write_all(&setup).await.unwrap();
+        assert_eq!(packet(&mut jvm).await.unwrap(), setup);
+        let next = command(4, 1, 9);
+        adapter.write_all(&next[..6]).await.unwrap();
+        release.send(()).unwrap();
+        assert_eq!(packet(&mut jvm).await.unwrap(), resume);
+        assert_eq!(packet(&mut jvm).await.unwrap(), thread_resume);
+        adapter.write_all(&next[6..]).await.unwrap();
+        assert_eq!(packet(&mut jvm).await.unwrap(), next);
+        drop(adapter);
+        assert!(task.await.unwrap().is_err());
+    }
+
+    #[tokio::test]
+    async fn dropping_session_closes_relay() {
+        let (relay, port) = StartupRelay::start("127.0.0.1".into(), 1).await.unwrap();
+        let mut adapter = TcpStream::connect(("127.0.0.1", port)).await.unwrap();
+        drop(relay);
+        let result = tokio::time::timeout(Duration::from_secs(1), adapter.read_u8()).await.unwrap();
+        assert!(result.is_err());
+    }
+
+    #[tokio::test]
+    async fn rejects_invalid_packet_lengths() {
+        for len in [0_u32, 10, 16 * 1024 * 1024 + 1] {
+            let mut bytes = command(1, 1, 9);
+            bytes[..4].copy_from_slice(&len.to_be_bytes());
+            assert_eq!(packet(&mut bytes.as_slice()).await.unwrap_err().kind(), io::ErrorKind::InvalidData);
+        }
+    }
+}
@@ -1,147 +0,0 @@
-//! JetBrains kotlin-lsp's debugger: a DAP server inside the language server, reached through
-//! the `debugServer` port it opens once the project is imported.
-//!
-//! Known limits, with no guard here: an evaluate that calls a function with a breakpoint, right
-//! after a step over a suspension point, loses every later stop at that breakpoint; while
-//! stepping, breakpoints hit by other coroutines are skipped.
-
-use ide_core::{IdeError, IdeResult};
-use parking_lot::Mutex;
-use std::collections::HashSet;
-use std::path::PathBuf;
-use std::sync::atomic::{AtomicBool, Ordering};
-
-pub const ADAPTER: &str = "kotlin-lsp";
-/// The `adapterID` its debug server expects in `initialize`.
-pub const DAP_ADAPTER_ID: &str = "intellij_jvm";
-
-/// The path of a `file:` URI, as kotlin-lsp reports some sources (percent-encoded); `None` for
-/// anything else, including a URI naming another host.
-pub(crate) fn source_path(path: &str) -> Option<PathBuf> {
-    let rest = path.strip_prefix("file:")?;
-    let path = match rest.strip_prefix("//") {
-        Some(authority) => {
-            let slash = authority.find('/')?;
-            if !matches!(&authority[..slash], "" | "localhost") {
-                return None;
-            }
-            &authority[slash..]
-        }
-        None => rest,
-    };
-    let decoded = percent_encoding::percent_decode_str(path).decode_utf8().ok()?;
-    // `/C:/p/App.kt` on Windows.
-    let decoded = match decoded.strip_prefix('/') {
-        Some(drive) if cfg!(windows) && drive.as_bytes().get(1) == Some(&b':') => drive,
-        _ => &decoded,
-    };
-    Some(PathBuf::from(decoded))
-}
-
-pub(crate) fn frame_name(name: &str) -> &str {
-    name.strip_prefix("at ").unwrap_or(name)
-}
-
-/// What kotlin-lsp's DAP server does unlike other adapters.
-///
-/// It never answers a request that carries a thread id from an earlier stop (K1 G4), so such a
-/// request would wait out `REQUEST_TIMEOUT`: [`Self::check_thread`] refuses it first. Only thread
-/// ids were measured; a stale `frameId` or `variablesReference` may wait the same way. A step
-/// ends with `reason: "breakpoint"`; a real breakpoint hit during a step is then reported as a
-/// step too, since the stop carries neither `hitBreakpointIds` nor a description.
-#[derive(Default)]
-pub(crate) struct Quirks {
-    step_pending: AtomicBool,
-    /// The stop (a `Suspension` ticket) and the thread ids seen in it.
-    threads: Mutex<(u64, HashSet<i64>)>,
-}
-
-impl Quirks {
-    /// Before `next`, `stepIn`, `stepOut` or a forced step.
-    pub fn step_sent(&self) {
-        self.step_pending.store(true, Ordering::Release);
-    }
-
-    /// Before `continue` or run to cursor, or after a step request failed.
-    pub fn resume_sent(&self) {
-        self.step_pending.store(false, Ordering::Release);
-    }
-
-    /// The reason to report for a `stopped` event.
-    pub fn stop_reason(&self, reason: String) -> String {
-        let stepped = self.step_pending.swap(false, Ordering::AcqRel);
-        if stepped && reason == "breakpoint" { "step".into() } else { reason }
-    }
-
-    /// Thread ids seen in stop `stop`: a `stopped` event's, or a `threads` reply to a request sent
-    /// during that stop. A reply from an older stop changes nothing.
-    pub fn saw_threads(&self, stop: u64, ids: impl IntoIterator<Item = i64>) {
-        let mut threads = self.threads.lock();
-        if stop > threads.0 {
-            *threads = (stop, ids.into_iter().collect());
-        } else if stop == threads.0 {
-            threads.1.extend(ids);
-        }
-    }
-
-    /// Refuses a thread id that is not one of current stop `stop`'s, once some are known.
-    pub fn check_thread(&self, stop: u64, suspended: bool, id: i64) -> IdeResult<()> {
-        let threads = self.threads.lock();
-        if suspended && threads.0 == stop && !threads.1.is_empty() && !threads.1.contains(&id) {
-            return Err(IdeError::invalid(format!("thread {id} belongs to an earlier stop")));
-        }
-        Ok(())
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use std::path::Path;
-
-    #[test]
-    fn file_uris_become_paths() {
-        assert_eq!(source_path("file:///p/a%20b/App.kt").as_deref(), Some(Path::new("/p/a b/App.kt")));
-        assert_eq!(source_path("file://localhost/p/x.kt").as_deref(), Some(Path::new("/p/x.kt")));
-        assert_eq!(source_path("/p/x.kt"), None);
-    }
-
-    #[test]
-    fn frame_names_lose_the_at_prefix() {
-        assert_eq!(frame_name("at com.x.AppKt.main(App.kt:13)"), "com.x.AppKt.main(App.kt:13)");
-        assert_eq!(frame_name("main"), "main");
-    }
-
-    #[test]
-    fn only_a_pending_step_turns_a_breakpoint_into_a_step() {
-        let quirks = Quirks::default();
-        quirks.step_sent();
-        assert_eq!(quirks.stop_reason("breakpoint".into()), "step");
-        assert_eq!(quirks.stop_reason("breakpoint".into()), "breakpoint");
-        quirks.step_sent();
-        quirks.resume_sent();
-        assert_eq!(quirks.stop_reason("breakpoint".into()), "breakpoint");
-    }
-
-    #[test]
-    fn threads_are_checked_against_the_current_stop() {
-        let quirks = Quirks::default();
-        quirks.saw_threads(3, [18]);
-        assert!(quirks.check_thread(3, true, 18).is_ok());
-        assert!(quirks.check_thread(3, true, 6).is_err());
-        assert!(quirks.check_thread(4, true, 6).is_ok(), "nothing known about stop 4 yet");
-        assert!(quirks.check_thread(3, false, 6).is_ok());
-    }
-
-    #[test]
-    fn an_older_threads_reply_does_not_change_a_newer_stop() {
-        let quirks = Quirks::default();
-        quirks.saw_threads(4, [2]);
-        quirks.saw_threads(3, [1]);
-        assert!(quirks.check_thread(4, true, 1).is_err());
-        quirks.saw_threads(4, [7]);
-        assert!(quirks.check_thread(4, true, 2).is_ok() && quirks.check_thread(4, true, 7).is_ok());
-        quirks.saw_threads(5, [9]);
-        assert!(quirks.check_thread(5, true, 2).is_err());
-    }
-}
@@ -13,17 +13,16 @@ pub mod attach;
 mod cargo;
 pub mod connection;
 pub mod jdwp;
-mod jvm_memory;
 pub mod kotlin;
-pub mod kotlin_lsp;
+mod kotlin_jdwp;
 mod session;
+pub mod target;

 use adapter::{AdapterLauncher, AdapterSpec, ProcessLauncher};
 use connection::{Connection, DapError};
 use futures::future::join_all;
 use ide_core::{DebugSessionId, IdeError, IdeResult, SharedSink};
 use ide_language::LanguageRegistry;
-pub use jvm_memory::*;
 use parking_lot::Mutex;
 use serde::{Deserialize, Serialize};
 use serde_json::{Value, json};
@@ -128,14 +127,6 @@ pub struct DebugCapabilities {
    pub log_points: bool,
    /// HotSwap ("Reload Changed Classes"): java-debug's `redefineClasses` request.
    pub hot_code_replace: bool,
-    /// The session debugs a JVM, so it has a Memory view; [`DebugManager::jvm_memory_classes`]
-    /// says why when it has no data (platform, remote JVM, ...).
-    pub jvm_memory: bool,
-    /// The session has a JVM inspector: instances, fields and referrers while suspended. Can
-    /// change during the session ([`ide_core::event::DebugEvent::Capabilities`]).
-    pub jvm_instances: bool,
-    /// The session can be asked for a heap dump ([`DebugManager::jvm_heap_dump`]).
-    pub jvm_heap: bool,
 }

 /// Result of [`DebugManager::redefine_classes`].
@@ -312,7 +303,6 @@ pub struct DebugManager {
    data_breakpoints: Mutex<Vec<DataBreakpoint>>,
    /// In-flight stops, by session: a second Stop sets `stop_force`, the waiting one kills.
    stopping: Mutex<HashMap<DebugSessionId, Arc<Session>>>,
-    jvm_finder: Mutex<jvm_memory::JvmFinder>,
 }

 /// rdbg (Ruby's debug gem) starts the debuggee itself and ignores `launch`'s program,
@@ -577,21 +567,9 @@ pub(crate) fn capabilities_from(caps: &Value) -> DebugCapabilities {
        hit_conditional_breakpoints: has("supportsHitConditionalBreakpoints"),
        log_points: has("supportsLogPoints"),
        hot_code_replace: false,
-        jvm_memory: false,
-        jvm_instances: false,
-        jvm_heap: false,
    }
 }

-pub(crate) fn session_capabilities(session: &Session) -> DebugCapabilities {
-    let mut caps = capabilities_from(&session.caps.lock());
-    caps.hot_code_replace = HOT_CODE_REPLACE_ADAPTERS.contains(&session.adapter.as_str());
-    caps.jvm_memory = JVM_MEMORY_ADAPTERS.contains(&session.adapter.as_str());
-    caps.jvm_instances = session.jvm_inspector.lock().is_some();
-    caps.jvm_heap = JVM_MEMORY_ADAPTERS.contains(&session.adapter.as_str());
-    caps
-}
-
 /// States of a file's line breakpoints that no session has been sent.
 fn unsent(breakpoints: &[Breakpoint]) -> Vec<BreakpointState> {
    breakpoints
@@ -611,16 +589,6 @@ fn unverified(enabled: impl Iterator<Item = bool>) -> Vec<BreakpointState> {
        .collect()
 }

-/// A step request's outcome; a failed one leaves no step pending, so the next stop keeps its reason.
-fn step_settled(session: &Session, sent: Result<Value, DapError>) -> Result<Value, DapError> {
-    if sent.is_err()
-        && let Some(quirks) = session.kotlin_lsp_quirks()
-    {
-        quirks.resume_sent();
-    }
-    sent
-}
-
 /// Delve compiles the debuggee to `__debug_bin` in the session's cwd (on Windows
 /// `__debug_bin.exe` plus `__debug_bin.exe<digits>` in DAP mode) and removes it on a
 /// graceful exit — a shutdown it doesn't always reach, so the files pile up. Sweep
@@ -690,15 +658,9 @@ impl DebugManager {
            function_breakpoints: Mutex::default(),
            data_breakpoints: Mutex::default(),
            stopping: Mutex::default(),
-            jvm_finder: Mutex::new(Arc::new(jvm_memory::find_local_jvm)),
        })
    }

-    #[cfg(test)]
-    pub(crate) fn set_jvm_finder(&self, finder: jvm_memory::JvmFinder) {
-        *self.jvm_finder.lock() = finder;
-    }
-
    fn session(&self, s: DebugSessionId) -> IdeResult<Arc<Session>> {
        self.sessions.lock().get(&s).cloned().ok_or_else(|| no_session(s))
    }
@@ -735,6 +697,17 @@ impl DebugManager {
        config: LaunchConfig,
        owner: SessionOwner,
        custom_command: impl FnOnce(&str) -> Option<String>,
+    ) -> IdeResult<DebugSessionId> {
+        self.start_prepared(config, owner, custom_command, |_, _| Ok(())).await
+    }
+
+    /// Configure a target adapter before any host tool resolution or launch.
+    pub async fn start_prepared(
+        &self,
+        config: LaunchConfig,
+        owner: SessionOwner,
+        custom_command: impl FnOnce(&str) -> Option<String>,
+        prepare: impl FnOnce(&mut AdapterSpec, &mut Value) -> IdeResult<()>,
    ) -> IdeResult<DebugSessionId> {
        let mut arguments = launch_arguments(&config)?;
        // An IDE-side marker (never sent to the adapter): the session is a Flutter
@@ -749,6 +722,22 @@ impl DebugManager {
        let dbg = adapter::find_config(&self.languages, &config.adapter)
            .ok_or_else(|| IdeError::unavailable(format!("unknown debug adapter `{}`", config.adapter)))?;
        let mut spec = adapter::resolve(&dbg, cwd.clone());
+        prepare(&mut spec, &mut arguments)?;
+        if spec.target.is_some() {
+            return self
+                .start_session(
+                    DebugSessionId::next(),
+                    owner,
+                    config.name,
+                    config.adapter,
+                    None,
+                    config.request,
+                    arguments,
+                    spec,
+                    None,
+                )
+                .await;
+        }
        if config.adapter == kotlin::ADAPTER
            && let Some(home) = arguments
                .as_object_mut()
@@ -757,10 +746,6 @@ impl DebugManager {
        {
            spec.env.push(("JAVA_HOME".into(), home));
        }
-        // Delve looks up Go before applying the debuggee's launch environment.
-        if config.adapter == "delve" {
-            spec.env.extend(config.env.iter().map(|(key, value)| (key.clone(), value.clone())));
-        }
        if config.adapter == "rdbg" {
            rdbg_command_line(&mut spec, &config, &cwd)?;
        }
@@ -793,18 +778,6 @@ impl DebugManager {
        if let Some(server) = &debug_server {
            spec.server_host = server.host.clone();
        }
-        if config.adapter == "gdb" && config.request == "launch" && debug_server.is_none() {
-            // GDB's DAP env replaces the entire inferior environment. Ordinary run overrides
-            // instead belong on the adapter process, which the inferior inherits. Explicit
-            // launch JSON keeps GDB's replacement semantics.
-            let explicit_env = config.extra_json.as_deref().is_some_and(|extra| {
-                serde_json::from_str::<Value>(extra).is_ok_and(|extra| extra.get("env").is_some())
-            });
-            if !explicit_env {
-                spec.env.extend(config.env.iter().map(|(k, v)| (k.clone(), v.clone())));
-                arguments.as_object_mut().unwrap().remove("env");
-            }
-        }
        if let Some(cargo) = arguments.as_object_mut().and_then(|o| o.remove("cargo")) {
            let cargo_args: Vec<String> = cargo
                .get("args")
@@ -913,12 +886,22 @@ impl DebugManager {
        if request != "launch" && request != "attach" {
            return Err(IdeError::invalid(format!("request must be `launch` or `attach`, got `{request}`")));
        }
-        let io = self.launcher.launch(spec.clone(), reuse_port).await?;
-        let launch_after_configuration = io.launch_after_configuration && request == "launch";
+        let io = self.launcher.launch(spec.clone(), reuse_port).await.map_err(|e| {
+            if spec.target.is_some() {
+                IdeError::new(e.kind, format!("{}\nargv: {:?} {:?}", e.message, spec.command, spec.args))
+            } else {
+                e
+            }
+        })?;
        let stderr = io.stderr.clone();
        let (conn, incoming) = {
            let stderr = stderr.clone();
-            Connection::start_with_output(io.reader, io.writer, Box::new(move |line| adapter::push_line(&stderr, line)))
+            Connection::start_with_target(
+                io.reader,
+                io.writer,
+                Box::new(move |line| adapter::push_line(&stderr, line)),
+                spec.target.clone(),
+            )
        };
        let rdbg_pid = (adapter_name == "rdbg" && request == "launch")
            .then(|| io.child.as_ref().and_then(tokio::process::Child::id))
@@ -952,13 +935,16 @@ impl DebugManager {
        let configured = tokio::select! {
            biased;
            _ = session.startup_cancel.cancelled() => return Err(IdeError::cancelled()),
-            result = self.configure(&session, arguments, launch_after_configuration) => result,
+            result = self.configure(&session, arguments) => result,
        };
        match configured {
            Ok(()) => Ok(id),
            Err(e) => {
                let e = if session.conn.is_closed() {
                    let mut msg = format!("debug adapter `{}` exited during startup", session.adapter);
+                    if session.spec.target.is_some() {
+                        msg.push_str(&format!("\nargv: {:?} {:?}", session.spec.command, session.spec.args));
+                    }
                    let tail = stderr.lock().join("\n");
                    if !tail.is_empty() {
                        msg.push_str(":\n");
@@ -969,6 +955,17 @@ impl DebugManager {
                        msg.push_str(hint);
                    }
                    IdeError::unavailable(msg)
+                } else if session.spec.target.is_some() {
+                    IdeError::new(
+                        e.kind,
+                        format!(
+                            "{}\nargv: {:?} {:?}\n{}",
+                            e.message,
+                            session.spec.command,
+                            session.spec.args,
+                            stderr.lock().join("\n")
+                        ),
+                    )
                } else {
                    e
                };
@@ -979,7 +976,7 @@ impl DebugManager {
        }
    }

-    async fn configure(&self, s: &Arc<Session>, mut arguments: Value, launch_in_config: bool) -> IdeResult<()> {
+    async fn configure(&self, s: &Arc<Session>, mut arguments: Value) -> IdeResult<()> {
        if s.adapter == kotlin::ADAPTER {
            let project = arguments
                .get("projectRoot")
@@ -992,7 +989,6 @@ impl DebugManager {
            arguments["projectRoot"] = json!(mirror.root());
            *s.kotlin_mirror.lock() = Some(mirror);
        }
-        let is_kotlin_lsp = s.adapter == kotlin_lsp::ADAPTER;
        let caps = s
            .conn
            .request_timeout(
@@ -1000,18 +996,17 @@ impl DebugManager {
                json!({
                    "clientID": "openidea",
                    "clientName": "OpenIDEA",
-                    "adapterID": if is_kotlin_lsp { kotlin_lsp::DAP_ADAPTER_ID } else { s.adapter.as_str() },
+                    "adapterID": s.adapter,
                    "locale": "en",
                    "linesStartAt1": true,
                    "columnsStartAt1": true,
                    "pathFormat": "path",
                    "supportsVariableType": true,
                    "supportsVariablePaging": false,
-                    "supportsRunInTerminalRequest": true,
-                    "supportsStartDebuggingRequest": true,
+                    "supportsRunInTerminalRequest": s.spec.target.is_none(),
+                    "supportsStartDebuggingRequest": s.spec.target.is_none(),
                    "supportsProgressReporting": true,
-                    // kotlin-lsp sends `invalidated` either way.
-                    "supportsInvalidatedEvent": is_kotlin_lsp,
+                    "supportsInvalidatedEvent": false,
                    "supportsMemoryReferences": false,
                    "supportsArgsCanBeInterpretedByShell": false,
                }),
@@ -1020,32 +1015,14 @@ impl DebugManager {
            .await?;
        *s.caps.lock() = if caps.is_object() { caps } else { json!({}) };

-        // The Kotlin adapters ignore the resolved classpath and project runtime on launch.
-        let request = if kotlin::is_kotlin(&s.adapter) && s.request == "launch" {
+        // The Kotlin adapter ignores the resolved classpath and project runtime on launch.
+        let request = if s.adapter == kotlin::ADAPTER && s.request == "launch" {
            session::start_kotlin_debuggee(s, &mut arguments).await?;
            "attach"
        } else {
            &s.request
        };
-        // Both blocks below run before the Kotlin link replaces the JVM's address with its own.
-        if request == "attach"
-            && let Some(target) = jvm_memory::attach_target(&arguments)
-        {
-            let _ = s.attach_target.set(target);
-        }
-        if cfg!(unix)
-            && s.request == "attach"
-            && JVM_MEMORY_ADAPTERS.contains(&s.adapter.as_str())
-            && let Some(port) = jvm_memory::local_jdwp_port(&arguments)
-        {
-            if jdwp::is_listen_relay(port) {
-                s.listen_relay.store(true, Ordering::Release);
-            } else {
-                let finder = self.jvm_finder.lock().clone();
-                jvm_memory::find_attached_jvm(s, port, finder).await;
-            }
-        }
-        if kotlin::is_kotlin(&s.adapter) {
+        if s.adapter == kotlin::ADAPTER {
            let host = arguments
                .get("hostName")
                .and_then(Value::as_str)
@@ -1057,39 +1034,24 @@ impl DebugManager {
                .and_then(|p| u16::try_from(p).ok())
                .filter(|p| *p != 0)
                .ok_or_else(|| IdeError::invalid("Invalid Kotlin JDWP port"))?;
-            let (link, port) = ide_jdwp::JdwpLink::start(host, port, kotlin::link_options(&s.adapter)).await?;
-            *s.jvm_inspector.lock() = Some(Arc::new(ide_jdwp::LinkInspector::new(link.clone())));
-            jvm_memory::watch_link(s, &link);
-            *s.jdwp_link.lock() = Some(link);
+            let (relay, port) = kotlin_jdwp::StartupRelay::start(host, port).await?;
+            *s.kotlin_relay.lock() = Some(relay);
            arguments["hostName"] = json!("127.0.0.1");
            arguments["port"] = json!(port);
        }
-        s.jvm_located.send_replace(true);
        // Launch/attach may wait for a slow runtime or a remote target. Let the adapter report
        // failure; Stop cancels configuration and a closed connection fails the pending reply.
        // Many adapters answer only after `configurationDone`, so don't wait for the reply yet.
-        // GDB 15 is the exception: its `launch` starts the program itself (14 runs at
-        // `configurationDone`, 16+ defers the launch there), so its launch waits below.
-        let mut launch = if launch_in_config {
-            None
-        } else {
-            let reply = s.conn.send_request(request, arguments.clone())?;
-            Some(Box::pin(async move { reply.await.unwrap_or(Err(DapError::Closed)) }))
-        };
+        let launch = s.conn.send_request(request, arguments)?;
+        let mut launch = Box::pin(async move { launch.await.unwrap_or(Err(DapError::Closed)) });
        let mut initialized = s.initialized.subscribe();
        let mut launch_result = None;
-        let got_initialized = match launch.as_mut() {
-            Some(launch) => tokio::select! {
-                r = initialized.wait_for(|v| *v) => { r.map_err(|_| DapError::Closed)?; true }
-                r = launch => {
-                    r?;
-                    launch_result = Some(());
-                    false
-                }
-            },
-            None => {
-                initialized.wait_for(|v| *v).await.map_err(|_| DapError::Closed)?;
-                true
+        let got_initialized = tokio::select! {
+            r = initialized.wait_for(|v| *v) => { r.map_err(|_| DapError::Closed)?; true }
+            r = &mut launch => {
+                r?;
+                launch_result = Some(());
+                false
            }
        };
        if !got_initialized {
@@ -1147,20 +1109,11 @@ impl DebugManager {
            }
        }
        s.configured.store(true, Ordering::Release);
-        match launch.as_mut() {
-            Some(launch) => {
-                if launch_result.is_none() {
-                    launch.await?;
-                }
-            }
-            None => {
-                // GDB 15: the breakpoints are in, so its `run` cannot miss them.
-                let reply = s.conn.send_request(request, arguments)?;
-                reply.await.unwrap_or(Err(DapError::Closed))?;
-            }
+        if launch_result.is_none() {
+            launch.await?;
        }
-        if let Some(link) = s.jdwp_link.lock().as_ref() {
-            link.release();
+        if let Some(relay) = s.kotlin_relay.lock().as_mut() {
+            relay.release();
        }
        Ok(())
    }
@@ -1207,7 +1160,7 @@ impl DebugManager {
        if own_terminate && !graceful {
            // Signal before anything else: waiting on a request the adapter may not answer
            // would delay the shutdown the console is supposed to show.
-            crate::session::signal_debuggee(s, false).await;
+            crate::session::signal_debuggee(s, false);
        }
        if graceful {
            // java-debug sends `terminated` only after it has drained the program's console
@@ -1393,11 +1346,8 @@ impl DebugManager {
    }

    pub async fn threads(&self, s: DebugSessionId) -> IdeResult<Vec<ThreadInfo>> {
-        let session = self.session(s)?;
-        // Before sending: a stop that overtakes the reply must not take the reply's ids as its own.
-        let stop = session.suspended.ticket();
-        let body = session.conn.request_timeout("threads", Value::Null, REQUEST_TIMEOUT).await?;
-        let threads: Vec<ThreadInfo> = body
+        let body = self.session(s)?.conn.request_timeout("threads", Value::Null, REQUEST_TIMEOUT).await?;
+        Ok(body
            .get("threads")
            .and_then(Value::as_array)
            .map(|t| {
@@ -1408,16 +1358,11 @@ impl DebugManager {
                    })
                    .collect()
            })
-            .unwrap_or_default();
-        if let Some(quirks) = session.kotlin_lsp_quirks() {
-            quirks.saw_threads(stop, threads.iter().map(|t| t.id));
-        }
-        Ok(threads)
+            .unwrap_or_default())
    }

    pub async fn stack_trace(&self, s: DebugSessionId, thread_id: i64) -> IdeResult<Vec<StackFrame>> {
        let session = self.session(s)?;
-        session.check_thread(thread_id)?;
        let body = session
            .conn
            .request_timeout(
@@ -1426,15 +1371,11 @@ impl DebugManager {
                REQUEST_TIMEOUT,
            )
            .await?;
-        let kotlin_lsp = session.kotlin_lsp_quirks().is_some();
        let frame = |f: &Value| {
            let mut frame = frame_from(f);
            if let Some(client) = frame.path.as_deref().and_then(|p| session.client_path(&p.to_string_lossy())) {
                frame.path = Some(client.into());
            }
-            if kotlin_lsp {
-                frame.name = kotlin_lsp::frame_name(&frame.name).to_owned();
-            }
            frame
        };
        Ok(body.get("stackFrames").and_then(Value::as_array).map(|f| f.iter().map(frame).collect()).unwrap_or_default())
@@ -1546,15 +1487,8 @@ impl DebugManager {

    pub async fn resume(&self, s: DebugSessionId, thread_id: i64) -> IdeResult<()> {
        let session = self.session(s)?;
-        session.check_thread(thread_id)?;
-        if let Some(quirks) = session.kotlin_lsp_quirks() {
-            quirks.resume_sent();
-        }
-        let ticket = session.suspended.ticket();
        let body = session.conn.request_timeout("continue", json!({ "threadId": thread_id }), REQUEST_TIMEOUT).await?;
-        // DAP: a response without the flag continued every thread.
        let all = body.get("allThreadsContinued").and_then(Value::as_bool).unwrap_or(true);
-        session.suspended.resumed(ticket, thread_id, all);
        session.emit(ide_core::event::DebugEvent::Continued { thread_id, all_threads_continued: all });
        Ok(())
    }
@@ -1594,15 +1528,7 @@ impl DebugManager {
            StepKind::Out => "stepOut",
        };
        let session = self.session(s)?;
-        session.check_thread(thread_id)?;
-        if let Some(quirks) = session.kotlin_lsp_quirks() {
-            quirks.step_sent();
-        }
-        let ticket = session.suspended.ticket();
-        let sent = session.conn.request_timeout(command, json!({ "threadId": thread_id }), REQUEST_TIMEOUT).await;
-        step_settled(&session, sent)?;
-        // A step runs its thread; other threads stopped by their own events stay stopped.
-        session.suspended.resumed(ticket, thread_id, false);
+        session.conn.request_timeout(command, json!({ "threadId": thread_id }), REQUEST_TIMEOUT).await?;
        session.emit(ide_core::event::DebugEvent::Continued { thread_id, all_threads_continued: true });
        Ok(())
    }
@@ -1619,8 +1545,6 @@ impl DebugManager {
        force: bool,
    ) -> IdeResult<()> {
        let session = self.session(s)?;
-        // Before touching breakpoints: a refused `continue` would leave them replaced.
-        session.check_thread(thread_id)?;
        if force {
            self.suspend_breakpoints(&session, Some(&path)).await?;
        }
@@ -1695,7 +1619,6 @@ impl DebugManager {
    /// Force Step Over: `next` with every breakpoint suspended until the step ends.
    pub async fn force_step_over(&self, s: DebugSessionId, thread_id: i64) -> IdeResult<()> {
        let session = self.session(s)?;
-        session.check_thread(thread_id)?;
        self.suspend_breakpoints(&session, None).await?;
        self.step(s, thread_id, StepKind::Over).await
    }
@@ -1703,17 +1626,10 @@ impl DebugManager {
    /// Step into a specific call of the current line (Smart Step Into).
    pub async fn step_in_target(&self, s: DebugSessionId, thread_id: i64, target_id: i64) -> IdeResult<()> {
        let session = self.session(s)?;
-        session.check_thread(thread_id)?;
-        if let Some(quirks) = session.kotlin_lsp_quirks() {
-            quirks.step_sent();
-        }
-        let ticket = session.suspended.ticket();
-        let sent = session
+        session
            .conn
            .request_timeout("stepIn", json!({ "threadId": thread_id, "targetId": target_id }), REQUEST_TIMEOUT)
-            .await;
-        step_settled(&session, sent)?;
-        session.suspended.resumed(ticket, thread_id, false);
+            .await?;
        session.emit(ide_core::event::DebugEvent::Continued { thread_id, all_threads_continued: true });
        Ok(())
    }
@@ -1747,68 +1663,10 @@ impl DebugManager {
    }

    pub fn capabilities(&self, s: DebugSessionId) -> IdeResult<DebugCapabilities> {
-        Ok(session_capabilities(&*self.session(s)?))
-    }
-
-    /// Class table of the session's JVM (`GC.class_histogram -all`, or counted by the debugger
-    /// while suspended where no histogram can be taken), with deltas against the session's
-    /// previous snapshot from the same source.
-    pub async fn jvm_memory_classes(&self, s: DebugSessionId) -> IdeResult<JvmMemoryResult> {
        let session = self.session(s)?;
-        jvm_memory::session_classes(session).await
-    }
-
-    /// Writes a heap dump of the session's JVM to `dir/dump.hprof`, one class-table or dump
-    /// request per session at a time. Anything but `Ready` deletes `dir`, unless `s` is not a
-    /// session. On `cancel` the result is `Cancelled` at once, while a dump the JVM is writing
-    /// still holds the session's turn until the JVM answers.
-    pub async fn jvm_heap_dump(
-        &self,
-        s: DebugSessionId,
-        dir: PathBuf,
-        cancel: ide_core::CancellationToken,
-    ) -> IdeResult<JvmHeapOutcome> {
-        let session = self.session(s)?;
-        jvm_memory::session_heap_dump(session, dir, cancel).await
-    }
-
-    /// Gives the session the backend for [`Self::jvm_memory_instances`] and the debugger's class
-    /// counts; the UI is told to reload the session's capabilities.
-    pub fn set_jvm_inspector(
-        &self,
-        s: DebugSessionId,
-        inspector: Arc<dyn ide_jvm_inspect::JvmInspector>,
-    ) -> IdeResult<()> {
-        let session = self.session(s)?;
-        if session.ended.is_cancelled() {
-            return Err(no_session(s));
-        }
-        jvm_memory::set_inspector(&session, inspector);
-        Ok(())
-    }
-
-    /// Up to `limit` (clamped to `1..=MAX_INSTANCES`) instances of `class_name` while suspended.
-    pub async fn jvm_memory_instances(
-        &self,
-        s: DebugSessionId,
-        class_name: String,
-        limit: u32,
-    ) -> IdeResult<JvmInstancesResult> {
-        jvm_memory::instances(&*self.session(s)?, &class_name, limit).await
-    }
-
-    pub async fn jvm_memory_fields(&self, s: DebugSessionId, object: JvmObjectRef) -> IdeResult<JvmFieldsResult> {
-        jvm_memory::fields(&*self.session(s)?, object).await
-    }
-
-    /// Objects that point at `object`; `limit` 0 means `DEFAULT_REFERRERS`, at most `MAX_REFERRERS`.
-    pub async fn jvm_memory_referrers(
-        &self,
-        s: DebugSessionId,
-        object: JvmObjectRef,
-        limit: u32,
-    ) -> IdeResult<JvmReferrersResult> {
-        jvm_memory::referrers(&*self.session(s)?, object, limit).await
+        let mut caps = capabilities_from(&session.caps.lock());
+        caps.hot_code_replace = HOT_CODE_REPLACE_ADAPTERS.contains(&session.adapter.as_str());
+        Ok(caps)
    }

    /// HotSwap: reloads the classes compiled since the session started (or since the
@@ -3,11 +3,8 @@

 use crate::adapter::AdapterSpec;
 use crate::connection::{Connection, DapError, Incoming};
-use crate::kotlin_lsp;
 use crate::{Breakpoint, BreakpointState, DataBreakpoint, DebugManager, FunctionBreakpoint, SessionOwner};
 use ide_core::event::DebugEvent;
-#[cfg(unix)]
-use ide_core::process::process_tree;
 use ide_core::{DebugSessionId, IdeEvent, TaskId};
 use parking_lot::Mutex;
 use serde_json::{Value, json};
@@ -48,13 +45,6 @@ pub(crate) struct Session {
    pub debuggees: Mutex<Vec<Child>>,
    /// The terminal a `runInTerminal` program runs in: typed input goes to it.
    pub program: Mutex<Option<ProgramTerminal>>,
-    /// The job object over the adapter and everything it started: the program an adapter
-    /// like java-debug launches is its child, so a forced stop (and the session's
-    /// cleanup) ends the whole tree even when the adapter exited first and the reported
-    /// pid no longer names it. `None` when the assignment failed; the kill then falls
-    /// back to the captured process tree.
-    #[cfg(windows)]
-    pub job: Mutex<Option<ide_core::process::Job>>,
    /// Set once `configurationDone` was sent; breakpoint updates go out live after that.
    pub configured: AtomicBool,
    pub initialized: watch::Sender<bool>,
@@ -65,15 +55,6 @@ pub(crate) struct Session {
    pub stop_force: AtomicBool,
    /// `systemProcessId` from the adapter's `process` event: the program being debugged.
    pub debuggee_pid: AtomicI64,
-    /// The JVM an app-launched (Kotlin) session started, or the local JVM an attach session
-    /// found by its JDWP port. Separate from `debuggee_pid`, which decides how Stop signals the
-    /// program and is 0 for Kotlin.
-    pub jvm_pid: AtomicI64,
-    /// JDWP port of an attach to a local JVM, to look the JVM up again; unset for a remote one.
-    pub jdwp_port: std::sync::OnceLock<u16>,
-    /// The attach goes through the listen-mode relay of [`crate::jdwp::listen_for_jvm`].
-    pub listen_relay: AtomicBool,
-    pub suspended: Suspension,
    /// Pids signalled for the current stop: the reported pid and everything it started (an
    /// adapter may report the launcher shell, whose child is the program).
    #[cfg_attr(not(unix), allow(dead_code))]
@@ -87,107 +68,8 @@ pub(crate) struct Session {
    /// Resolved path → the path as the IDE knows it, for adapters given resolved paths.
    resolved_paths: Mutex<HashMap<PathBuf, PathBuf>>,
    progress: Mutex<HashMap<String, TaskId>>,
-    /// Relay between a Kotlin adapter and its JVM. Dropping it closes both sockets.
-    pub jdwp_link: parking_lot::Mutex<Option<ide_jdwp::JdwpLink>>,
-    pub jvm_inspector: parking_lot::Mutex<Option<Arc<dyn ide_jvm_inspect::JvmInspector>>>,
-    /// One inspector request per session at a time.
-    pub inspect_lock: tokio::sync::Mutex<()>,
-    /// Cancelled when the session ends, so a request still waiting on the inspector lets go of
-    /// it (and of the JDWP link it holds).
-    pub ended: ide_core::CancellationToken,
-    /// `hostName` (empty when absent) and `port` of the session's `attach` request, as the IDE
-    /// was given them: Kotlin then replaces them with the link's. Unlike `jdwp_port`, also set
-    /// for a remote JVM.
-    pub attach_target: std::sync::OnceLock<(String, u16)>,
-    /// Set once `configure` has recorded where the program's JVM is (the fields above, the
-    /// Kotlin link), just before the `launch`/`attach` request goes out.
-    pub jvm_located: watch::Sender<bool>,
+    pub kotlin_relay: Mutex<Option<crate::kotlin_jdwp::StartupRelay>>,
    pub kotlin_mirror: Mutex<Option<crate::kotlin::SourceMirror>>,
-    pub jvm_memory: tokio::sync::Mutex<crate::JvmMemoryState>,
-    /// Used only by a kotlin-lsp session: see [`Session::kotlin_lsp_quirks`].
-    pub(crate) quirks: kotlin_lsp::Quirks,
-}
-
-/// Which threads of the program are suspended: each from its `stopped` event until a
-/// `continued` event or a successful resume/step request for it. Never cleared elsewhere, since
-/// a stale "suspended" only makes a later check refuse. fwcd and java-debug stop a breakpoint's
-/// thread alone, so a thread can run while another stays stopped.
-///
-/// A resume reply ends only the stops taken before the request was sent: a thread's next
-/// `stopped` event can overtake the reply. The check and the removal happen under one lock, so
-/// no stop can land between them and be lost.
-#[derive(Default)]
-pub(crate) struct Suspension(Mutex<Stops>);
-
-#[derive(Default)]
-struct Stops {
-    /// Counts stops, and moves back to an earlier stopped thread: an object read under one
-    /// ticket is stale under another.
-    ticket: u64,
-    /// Threads stopped alone by their event, oldest first, with the ticket of that stop.
-    threads: Vec<(i64, u64)>,
-    /// The ticket of a stop of every thread (`allThreadsStopped`, or no thread id): any resume
-    /// ends it.
-    all: Option<u64>,
-}
-
-impl Stops {
-    fn latest(&self) -> Option<u64> {
-        self.threads.last().map(|&(_, ticket)| ticket).max(self.all)
-    }
-
-    /// Ends the stops taken by ticket `upto` of `thread`, or of every thread.
-    fn release(&mut self, thread: Option<i64>, every: bool, upto: u64) {
-        let latest = self.latest();
-        if every || thread.is_none() || self.all.is_some_and(|t| t <= upto) {
-            self.all = self.all.filter(|&t| t > upto);
-            self.threads.retain(|&(_, t)| t > upto);
-        } else {
-            self.threads.retain(|&(id, t)| Some(id) != thread || t > upto);
-        }
-        // Back on an earlier thread's stop, as the JDWP link moves to it with a new generation.
-        let now = self.latest();
-        if now.is_some() && now != latest {
-            self.ticket += 1;
-        }
-    }
-}
-
-impl Suspension {
-    /// Whether some thread is stopped.
-    pub fn get(&self) -> bool {
-        let stops = self.0.lock();
-        stops.all.is_some() || !stops.threads.is_empty()
-    }
-
-    /// A `stopped` event; `all`: its `allThreadsStopped`.
-    pub fn stopped(&self, thread: Option<i64>, all: bool) {
-        let mut stops = self.0.lock();
-        stops.ticket += 1;
-        let ticket = stops.ticket;
-        match thread.filter(|_| !all) {
-            Some(thread) => {
-                stops.threads.retain(|&(id, _)| id != thread);
-                stops.threads.push((thread, ticket));
-            }
-            None => stops.all = Some(ticket),
-        }
-    }
-
-    /// A `continued` event; `all`: its `allThreadsContinued`.
-    pub fn continued(&self, thread: Option<i64>, all: bool) {
-        self.0.lock().release(thread, all, u64::MAX);
-    }
-
-    /// Take before sending a resume-like request and pass to [`Self::resumed`].
-    pub fn ticket(&self) -> u64 {
-        self.0.lock().ticket
-    }
-
-    /// After a successful resume-like request for `thread`; `all`: every thread ran.
-    pub fn resumed(&self, ticket: u64, thread: i64, all: bool) {
-        self.0.lock().release(Some(thread), all, ticket);
-    }
 }

 /// Adapters that only match files by their resolved path: Godot maps a script to
@@ -209,10 +91,6 @@ impl Session {
        port: Option<u16>,
        child: Option<Child>,
    ) -> Self {
-        // Before `child` moves into the session: the adapter is the root of the job, so
-        // everything it starts (java-debug's JVM) is in there by inheritance.
-        #[cfg(windows)]
-        let job = child.as_ref().and_then(tokio::process::Child::id).and_then(ide_core::process::Job::for_pid);
        Self {
            id,
            owner,
@@ -227,8 +105,6 @@ impl Session {
            adapter_process: Mutex::new(child),
            debuggees: Mutex::new(Vec::new()),
            program: Mutex::new(None),
-            #[cfg(windows)]
-            job: Mutex::new(job),
            configured: AtomicBool::new(false),
            initialized: watch::channel(false).0,
            startup_cancel: ide_core::CancellationToken::new(),
@@ -236,10 +112,6 @@ impl Session {
            terminated: AtomicBool::new(false),
            stop_force: AtomicBool::new(false),
            debuggee_pid: AtomicI64::new(0),
-            jvm_pid: AtomicI64::new(0),
-            jdwp_port: std::sync::OnceLock::new(),
-            listen_relay: AtomicBool::new(false),
-            suspended: Suspension::default(),
            stop_pids: parking_lot::Mutex::new(Vec::new()),
            #[cfg(windows)]
            stop_tree: Mutex::new(None),
@@ -247,27 +119,8 @@ impl Session {
            breakpoint_ids: Mutex::new(HashMap::new()),
            resolved_paths: Mutex::new(HashMap::new()),
            progress: Mutex::new(HashMap::new()),
-            jdwp_link: parking_lot::Mutex::new(None),
-            jvm_inspector: parking_lot::Mutex::new(None),
-            inspect_lock: tokio::sync::Mutex::default(),
-            ended: ide_core::CancellationToken::new(),
-            attach_target: std::sync::OnceLock::new(),
-            jvm_located: watch::channel(false).0,
+            kotlin_relay: Mutex::new(None),
            kotlin_mirror: Mutex::new(None),
-            jvm_memory: tokio::sync::Mutex::default(),
-            quirks: kotlin_lsp::Quirks::default(),
-        }
-    }
-
-    pub fn kotlin_lsp_quirks(&self) -> Option<&kotlin_lsp::Quirks> {
-        (self.adapter == kotlin_lsp::ADAPTER).then_some(&self.quirks)
-    }
-
-    /// Call before sending a request for thread `id`.
-    pub fn check_thread(&self, id: i64) -> ide_core::IdeResult<()> {
-        match self.kotlin_lsp_quirks() {
-            Some(quirks) => quirks.check_thread(self.suspended.ticket(), self.suspended.get(), id),
-            None => Ok(()),
        }
    }

@@ -299,11 +152,6 @@ impl Session {

    /// A path from the adapter as the IDE knows it (undoes [`Session::adapter_path`]).
    pub fn client_path(&self, path: &str) -> Option<PathBuf> {
-        if self.adapter == kotlin_lsp::ADAPTER
-            && let Some(path) = kotlin_lsp::source_path(path)
-        {
-            return Some(path);
-        }
        if let Some(real) = self.kotlin_mirror.lock().as_ref().and_then(|m| m.client_path(Path::new(path))) {
            return Some(real);
        }
@@ -433,28 +281,7 @@ impl Session {

    /// Kills the adapter and every debuggee we started.
    pub fn kill_processes(&self) {
-        self.ended.cancel();
-        // The inspector holds a clone of the link, so both go.
-        self.jvm_inspector.lock().take();
-        self.jdwp_link.lock().take();
-        #[cfg(unix)]
-        if self.request == "launch" {
-            for group in launch_groups(self) {
-                ide_core::process::kill_tree_of(group as u32);
-            }
-        }
-        // The job first: it ends the adapter and everything it started (the program
-        // java-debug launched is its child), members included that the stop's captured
-        // tree never saw. An empty job is unaffected, and whatever survives this session
-        // dies when the handle closes (`KILL_ON_JOB_CLOSE`).
-        #[cfg(windows)]
-        if let Some(job) = self.job.lock().as_ref() {
-            job.terminate();
-        }
-        #[cfg(windows)]
-        if let Some(tree) = self.stop_tree.lock().as_ref() {
-            tree.terminate();
-        }
+        self.kotlin_relay.lock().take();
        if let Some(mut c) = self.adapter_process.lock().take() {
            if self.adapter == "rdbg"
                && let Some(pid) = c.id()
@@ -468,9 +295,6 @@ impl Session {
        }
        if let Some(mut program) = self.program.lock().take() {
            let _ = program.child.kill();
-            let _ = std::thread::Builder::new().name("openidea-debug-reap".into()).spawn(move || {
-                let _ = program.child.wait();
-            });
        }
    }
 }
@@ -493,39 +317,47 @@ pub(crate) async fn remember_debuggee(s: &Arc<Session>) {
    let _ = s;
 }

+/// The program and everything it started: an adapter may report the launcher shell, whose
+/// child is the debugged program, so stopping only the reported pid leaves the program alive.
+#[cfg(unix)]
+fn process_tree(pid: i32) -> Vec<i32> {
+    use std::collections::HashMap;
+    let Ok(out) = std::process::Command::new("ps").args(["-A", "-o", "pid=,ppid="]).output() else {
+        return vec![pid];
+    };
+    let mut children: HashMap<i32, Vec<i32>> = HashMap::new();
+    for line in String::from_utf8_lossy(&out.stdout).lines() {
+        let mut it = line.split_whitespace();
+        let (Some(p), Some(parent)) = (it.next(), it.next()) else { continue };
+        let (Ok(p), Ok(parent)) = (p.parse::<i32>(), parent.parse::<i32>()) else { continue };
+        children.entry(parent).or_default().push(p);
+    }
+    let mut tree = vec![pid];
+    let mut at = 0;
+    while at < tree.len() {
+        if let Some(kids) = children.get(&tree[at]) {
+            tree.extend(kids.iter().copied());
+        }
+        at += 1;
+    }
+    tree
+}
+
 /// Asks the program itself to exit (`force` = SIGKILL) without ending the adapter session:
 /// its output keeps flowing over DAP while it shuts down. The first call remembers the pid
 /// tree, because the reported pid may die before its program does.
-pub(crate) async fn signal_debuggee(s: &Arc<Session>, force: bool) {
-    if s.request != "launch" {
+pub(crate) fn signal_debuggee(s: &Arc<Session>, force: bool) {
+    let pid = s.debuggee_pid.load(Ordering::Acquire);
+    if pid <= 0 {
        return;
    }
-    #[cfg(not(windows))]
-    let pid = s.debuggee_pid.load(Ordering::Acquire);
    #[cfg(unix)]
    {
-        let needs_tree = pid > 0 && s.stop_pids.lock().is_empty();
-        if needs_tree {
-            let tree = tokio::task::spawn_blocking(move || process_tree(pid as i32)).await.unwrap_or_default();
-            *s.stop_pids.lock() = tree;
+        let mut known = s.stop_pids.lock();
+        if known.is_empty() {
+            *known = process_tree(pid as i32);
        }
-        let known = s.stop_pids.lock();
        let signal = if force { libc::SIGKILL } else { libc::SIGTERM };
-        if force {
-            // A forced stop kills the launch: every root the session spawned leads its own
-            // process group (`own_group` at spawn), so one signal reaches the program and
-            // everything it started, even processes born after the snapshot below was
-            // taken — the adapter's program is in the adapter's group. The session's own
-            // JVM roots (Kotlin) and `runInTerminal` programs lead groups of their own.
-            // The roots are unreaped until the session drops them, so their ids (and the
-            // groups named by them) cannot have been reused yet.
-            for group in launch_groups(s) {
-                // SAFETY: plain syscalls on the processes this session started.
-                if unsafe { libc::kill(-group, libc::SIGKILL) } != 0 {
-                    unsafe { libc::kill(group, libc::SIGKILL) };
-                }
-            }
-        }
        // Children first: the shell that started the program would otherwise reparent it.
        for p in known.iter().rev() {
            // SAFETY: plain syscall on the processes this session started.
@@ -536,53 +368,15 @@ pub(crate) async fn signal_debuggee(s: &Arc<Session>, force: bool) {
    }
    #[cfg(windows)]
    {
-        // Console programs have no external graceful signal; the adapter gets its chance
-        // first. The job ends the program and everything it started, members included
-        // that the captured tree never saw.
-        if force {
-            if let Some(job) = s.job.lock().as_ref() {
-                job.terminate();
-            }
-            // A separately spawned program may have rejected assignment to the adapter's job.
-            if let Some(tree) = s.stop_tree.lock().as_ref() {
-                tree.terminate();
-            }
+        // Console programs have no external graceful signal; the adapter gets its chance first.
+        if force && let Some(tree) = s.stop_tree.lock().as_ref() {
+            tree.terminate();
        }
    }
    #[cfg(not(any(unix, windows)))]
    let _ = (pid, force);
 }

-/// The process groups the session spawned roots for: the adapter's (the program it
-/// launched is in it), the JVMs the session started itself, the `runInTerminal` program.
-#[cfg(unix)]
-fn launch_groups(s: &Session) -> Vec<libc::pid_t> {
-    let mut groups = Vec::new();
-    let mut push = |id: Option<u32>| {
-        if let Ok(pid) = libc::pid_t::try_from(id.unwrap_or(0)) {
-            groups.push(pid);
-        }
-    };
-    push(s.adapter_process.lock().as_ref().and_then(tokio::process::Child::id));
-    for child in s.debuggees.lock().iter() {
-        push(child.id());
-    }
-    push(s.program.lock().as_ref().and_then(|p| p.child.process_id()));
-    groups.retain(|g| *g > 0);
-    groups
-}
-
-/// Whether the launch is still running: the stop's captured tree when there is one,
-/// otherwise the session's job (the adapter and everything it started).
-#[cfg(windows)]
-fn launch_running(s: &Arc<Session>) -> bool {
-    if let Some(tree) = s.stop_tree.lock().as_ref() {
-        tree.is_running()
-    } else {
-        s.job.lock().as_ref().is_some_and(|job| job.is_running())
-    }
-}
-
 /// Waits until the program a `launch` session started is gone; a second Stop kills it.
 pub(crate) async fn wait_for_debuggee(s: &Arc<Session>, terminate: bool) {
    if !terminate || s.request != "launch" {
@@ -596,19 +390,19 @@ pub(crate) async fn wait_for_debuggee(s: &Arc<Session>, terminate: bool) {
    #[cfg(unix)]
    {
        use std::time::Instant;
-        let mut targets = s.stop_pids.lock().clone();
-        if targets.is_empty() {
-            targets = tokio::task::spawn_blocking(move || process_tree(pid as i32)).await.unwrap_or_default();
-        }
+        let targets = {
+            let known = s.stop_pids.lock();
+            if known.is_empty() { process_tree(pid as i32) } else { known.clone() }
+        };
        let alive = || targets.iter().any(|p| unsafe { libc::kill(*p, 0) } == 0);
        let deadline = Instant::now() + DEBUGGEE_EXIT_WAIT;
        while alive() {
            if s.stop_force.swap(false, Ordering::AcqRel) {
-                signal_debuggee(s, true).await;
+                signal_debuggee(s, true);
            }
            if Instant::now() >= deadline {
                // The program ignored the terminate: do not leave it running.
-                signal_debuggee(s, true).await;
+                signal_debuggee(s, true);
                break;
            }
            tokio::time::sleep(Duration::from_millis(50)).await;
@@ -618,12 +412,9 @@ pub(crate) async fn wait_for_debuggee(s: &Arc<Session>, terminate: bool) {
    {
        remember_debuggee(s).await;
        let deadline = std::time::Instant::now() + DEBUGGEE_EXIT_WAIT;
-        // The captured tree is the oracle when it was captured; otherwise the job (every
-        // process the launch started) is, so a failed capture can no longer end the wait
-        // while the program still holds its port.
-        while launch_running(s) {
+        while s.stop_tree.lock().as_ref().is_some_and(|tree| tree.is_running()) {
            if s.stop_force.swap(false, Ordering::AcqRel) || std::time::Instant::now() >= deadline {
-                signal_debuggee(s, true).await;
+                signal_debuggee(s, true);
            }
            tokio::time::sleep(Duration::from_millis(50)).await;
        }
@@ -716,31 +507,18 @@ async fn on_event(mgr: &Arc<DebugManager>, s: &Arc<Session>, event: &str, mut bo
            s.emit(DebugEvent::Initialized);
        }
        "stopped" => {
-            let all = body.get("allThreadsStopped").and_then(Value::as_bool).unwrap_or(false);
-            s.suspended.stopped(int("threadId"), all);
-            let mut reason = str_("reason").unwrap_or_else(|| "pause".into());
-            if let Some(quirks) = s.kotlin_lsp_quirks() {
-                quirks.saw_threads(s.suspended.ticket(), int("threadId"));
-                reason = quirks.stop_reason(reason);
-            }
            mgr.restore_breakpoints(s).await;
            s.emit(DebugEvent::Stopped {
                thread_id: int("threadId").unwrap_or(0),
-                reason,
+                reason: str_("reason").unwrap_or_else(|| "pause".into()),
                description: str_("description").or_else(|| str_("text")),
-                all_threads_stopped: all,
-            });
-        }
-        "continued" => {
-            let all = body.get("allThreadsContinued").and_then(Value::as_bool);
-            // DAP: an event without the flag continues its thread alone. The UI keeps treating
-            // it as all threads; the suspension, which holds only threads that stopped, need not.
-            s.suspended.continued(int("threadId"), all.unwrap_or(false));
-            s.emit(DebugEvent::Continued {
-                thread_id: int("threadId").unwrap_or(0),
-                all_threads_continued: all.unwrap_or(true),
+                all_threads_stopped: body.get("allThreadsStopped").and_then(Value::as_bool).unwrap_or(false),
            });
        }
+        "continued" => s.emit(DebugEvent::Continued {
+            thread_id: int("threadId").unwrap_or(0),
+            all_threads_continued: body.get("allThreadsContinued").and_then(Value::as_bool).unwrap_or(true),
+        }),
        "output" => {
            let category = str_("category").unwrap_or_else(|| "console".into());
            if category == "telemetry" {
@@ -824,19 +602,15 @@ async fn on_event(mgr: &Arc<DebugManager>, s: &Arc<Session>, event: &str, mut bo
            change_type: crate::hot_code_replace_type(body.get("changeType")),
            message: str_("message").unwrap_or_default(),
        }),
-        // Sent only by adapters told `supportsInvalidatedEvent` (kotlin-lsp).
-        "invalidated" => s.emit(DebugEvent::Invalidated {
-            areas: body
-                .get("areas")
-                .and_then(Value::as_array)
-                .map(|a| a.iter().filter_map(Value::as_str).map(str::to_owned).collect())
-                .unwrap_or_default(),
-        }),
        _ => tracing::trace!("dap: ignored event {event}"),
    }
 }

 fn on_reverse_request(mgr: &Arc<DebugManager>, s: &Arc<Session>, seq: i64, command: &str, args: Value) {
+    if s.spec.target.is_some() {
+        let _ = s.conn.respond(seq, command, Err("This debugger does not support plugin run targets".into()));
+        return;
+    }
    match command {
        "runInTerminal" => {
            let result = run_in_terminal(s, &args);
@@ -923,14 +697,6 @@ pub(crate) fn run_in_terminal(s: &Arc<Session>, args: &Value) -> Result<Value, S
        }
    }
    let mut child = pair.slave.spawn_command(cmd).map_err(|e| format!("failed to start {program}: {e}"))?;
-    // The program joins the session's job, so Stop reaches what it starts (its children),
-    // though only the program itself is the session's child.
-    #[cfg(windows)]
-    if let Some(pid) = child.process_id()
-        && let Some(job) = s.job.lock().as_ref()
-    {
-        job.assign_pid(pid);
-    }
    drop(pair.slave);
    let reader = pair.master.try_clone_reader().map_err(|e| format!("terminal of {program}: {e}"))?;
    let writer = pair.master.take_writer().map_err(|e| format!("terminal of {program}: {e}"))?;
@@ -1054,19 +820,6 @@ fn forward_output<R: AsyncRead + Unpin + Send + 'static>(s: &Session, mut stream
    });
 }

-/// The attach listener must be on the command line before the user's arguments, which may
-/// override it; the memory view needs it because the JVM is started by the IDE, not attached to.
-/// Not on Windows (`windows`), which the memory view does not support.
-fn kotlin_jvm_args(user: Vec<String>, windows: bool) -> Vec<String> {
-    if windows || !ide_jvm_attach::wants_listener_flag(&user.join(" ")) {
-        return user;
-    }
-    let mut args = Vec::with_capacity(user.len() + 1);
-    args.push(ide_jvm_attach::START_LISTENER_FLAG.to_owned());
-    args.extend(user);
-    args
-}
-
 /// Launch with the IDE's resolved runtime and classpath; the adapter only attaches.
 pub(crate) async fn start_kotlin_debuggee(s: &Arc<Session>, args: &mut Value) -> ide_core::IdeResult<()> {
    use tokio::io::{AsyncBufReadExt, BufReader};
@@ -1081,7 +834,7 @@ pub(crate) async fn start_kotlin_debuggee(s: &Arc<Session>, args: &mut Value) ->
        std::env::join_paths(strings("classPaths")).map_err(|e| ide_core::IdeError::invalid(e.to_string()))?;
    let mut cmd = tokio::process::Command::new(java);
    ide_core::process::prepare(cmd.as_std_mut());
-    cmd.args(kotlin_jvm_args(strings("vmArguments"), cfg!(windows)))
+    cmd.args(strings("vmArguments"))
        // Let the JVM pick its own port (`:0`) and report it below: pre-picking a free
        // port here races with other processes that may take it before the JVM binds.
        .arg("-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=127.0.0.1:0")
@@ -1111,17 +864,7 @@ pub(crate) async fn start_kotlin_debuggee(s: &Arc<Session>, args: &mut Value) ->
            }
        }
    }
-    // A root the session spawns itself: its own process group on Unix (`kill(-pgid)` in a
-    // forced stop), the session's job on Windows, so a stop reaches what it forks.
-    ide_core::process::own_group(cmd.as_std_mut());
    let mut child = cmd.spawn()?;
-    if let Some(pid) = child.id() {
-        s.jvm_pid.store(i64::from(pid), Ordering::Release);
-        #[cfg(windows)]
-        if let Some(job) = s.job.lock().as_ref() {
-            job.assign_pid(pid);
-        }
-    }
    if let Some(err) = child.stderr.take() {
        forward_output(s, err, "stderr");
    }
@@ -1161,162 +904,7 @@ fn parse_jdwp_port(line: &str) -> Option<u16> {

 #[cfg(test)]
 mod tests {
-    use super::{Suspension, kotlin_jvm_args, parse_jdwp_port};
-
-    #[test]
-    fn a_resume_reply_clears_the_stop_it_was_sent_for() {
-        let s = Suspension::default();
-        assert!(!s.get());
-        s.stopped(Some(1), true);
-        let ticket = s.ticket();
-        s.resumed(ticket, 1, true);
-        assert!(!s.get());
-    }
-
-    #[test]
-    fn a_stop_after_the_resume_request_keeps_the_session_suspended() {
-        let s = Suspension::default();
-        s.stopped(Some(1), true);
-        let ticket = s.ticket();
-        // The next breakpoint's `stopped` event overtakes the reply to `continue`.
-        s.continued(Some(1), true);
-        s.stopped(Some(1), true);
-        s.resumed(ticket, 1, true);
-        assert!(s.get());
-        // A reply for the new stop still clears it.
-        s.resumed(s.ticket(), 1, true);
-        assert!(!s.get());
-    }
-
-    #[test]
-    fn a_reply_after_a_continued_event_changes_nothing() {
-        let s = Suspension::default();
-        s.stopped(Some(1), true);
-        let ticket = s.ticket();
-        s.continued(Some(1), true);
-        s.resumed(ticket, 1, true);
-        assert!(!s.get());
-        s.stopped(Some(1), true);
-        assert!(s.get());
-    }
-
-    #[test]
-    fn concurrent_stops_are_never_lost() {
-        let s = std::sync::Arc::new(Suspension::default());
-        s.stopped(Some(1), true);
-        let ticket = s.ticket();
-        let stopping = {
-            let s = s.clone();
-            std::thread::spawn(move || (0..10_000).for_each(|_| s.stopped(Some(1), true)))
-        };
-        for _ in 0..10_000 {
-            s.resumed(ticket, 1, true);
-        }
-        stopping.join().unwrap();
-        // However they interleave, a resume for the old ticket never clears a later stop.
-        assert!(s.get());
-        assert_eq!(s.ticket(), ticket + 10_000);
-    }
-
-    /// fwcd and java-debug stop a breakpoint's thread alone (`SUSPEND_EVENT_THREAD`): 7, then 8.
-    fn two_threads_stopped() -> Suspension {
-        let s = Suspension::default();
-        s.stopped(Some(7), false);
-        s.stopped(Some(8), false);
-        s
-    }
-
-    #[test]
-    fn continuing_the_latest_stopped_thread_keeps_the_other_as_a_new_stop() {
-        let s = two_threads_stopped();
-        let ticket = s.ticket();
-        s.continued(Some(8), false);
-        assert!(s.get());
-        // Objects read on thread 8's stop are stale.
-        assert_eq!(s.ticket(), ticket + 1);
-        s.continued(Some(7), false);
-        assert!(!s.get());
-    }
-
-    #[test]
-    fn continuing_an_earlier_stopped_thread_keeps_the_latest_stop() {
-        let s = two_threads_stopped();
-        let ticket = s.ticket();
-        s.continued(Some(7), false);
-        assert!(s.get());
-        assert_eq!(s.ticket(), ticket);
-    }
-
-    #[test]
-    fn continuing_all_threads_ends_every_stop() {
-        let s = two_threads_stopped();
-        s.continued(Some(7), true);
-        assert!(!s.get());
-        let s = two_threads_stopped();
-        s.continued(None, false);
-        assert!(!s.get());
-    }
-
-    #[test]
-    fn continuing_a_thread_that_did_not_stop_changes_nothing() {
-        let s = two_threads_stopped();
-        let ticket = s.ticket();
-        s.continued(Some(5), false);
-        assert!(s.get());
-        assert_eq!(s.ticket(), ticket);
-    }
-
-    #[test]
-    fn a_step_reply_resumes_its_thread_alone() {
-        let s = two_threads_stopped();
-        let ticket = s.ticket();
-        s.resumed(ticket, 8, false);
-        assert!(s.get());
-        assert_eq!(s.ticket(), ticket + 1);
-        s.resumed(s.ticket(), 7, true);
-        assert!(!s.get());
-    }
-
-    #[test]
-    fn a_thread_stopping_again_before_its_resume_reply_stays_stopped() {
-        let s = two_threads_stopped();
-        let ticket = s.ticket();
-        // Thread 7's step ends, and its `stopped` event overtakes the reply to `next`.
-        s.stopped(Some(7), false);
-        s.resumed(ticket, 7, false);
-        s.continued(Some(8), false);
-        assert!(s.get());
-    }
-
-    #[test]
-    fn a_stop_of_every_thread_ends_with_any_resume() {
-        let s = Suspension::default();
-        s.stopped(Some(7), false);
-        s.stopped(Some(8), true);
-        s.continued(Some(8), false);
-        assert!(!s.get());
-        // A stop without a thread.
-        s.stopped(None, false);
-        s.resumed(s.ticket(), 5, false);
-        assert!(!s.get());
-    }
-
-    #[test]
-    fn kotlin_launch_starts_attach_listener_first() {
-        assert_eq!(
-            kotlin_jvm_args(vec!["-Xmx1g".into()], false),
-            vec!["-XX:+StartAttachListener".to_string(), "-Xmx1g".into()]
-        );
-        assert_eq!(
-            kotlin_jvm_args(vec!["-XX:+DisableAttachMechanism".into()], false),
-            vec!["-XX:+DisableAttachMechanism".to_string()]
-        );
-    }
-
-    #[test]
-    fn kotlin_launch_on_windows_gets_no_attach_listener() {
-        assert_eq!(kotlin_jvm_args(vec!["-Xmx1g".into()], true), vec!["-Xmx1g".to_string()]);
-    }
+    use super::parse_jdwp_port;

    #[test]
    fn reads_the_port_the_jvm_chose() {
@@ -0,0 +1,72 @@
+//! DAP path fields only: output, expressions, environment and program arguments are opaque.
+use ide_core::path_mapping::{Direction, PathMapping, file_path, file_uri};
+use serde_json::Value;
+
+#[derive(Clone, Debug)]
+pub struct TargetMapping {
+    pub paths: PathMapping,
+    pub external_prefix: String,
+}
+
+impl TargetMapping {
+    pub fn rewrite(&self, value: &mut Value, direction: Direction) {
+        match value {
+            Value::Array(items) => items.iter_mut().for_each(|v| self.rewrite(v, direction)),
+            Value::Object(fields) => {
+                for (key, value) in fields {
+                    if key == "pathMappings" {
+                        continue;
+                    }
+                    if matches!(key.as_str(), "path" | "program" | "cwd" | "localRoot" | "remoteRoot") {
+                        if let Some(path) = value.as_str() {
+                            if matches!(direction, Direction::ToTarget) && path.starts_with(&self.external_prefix) {
+                                if let Some(decoded) =
+                                    file_path(&format!("file:///{}", path.trim_start_matches(&self.external_prefix)))
+                                {
+                                    *value = decoded.into();
+                                }
+                            } else if let Some(mapped) = self.paths.map(path, direction) {
+                                *value = mapped.into();
+                            } else if matches!(direction, Direction::ToHost) && key == "path" && path.starts_with('/') {
+                                *value = format!(
+                                    "{}{}",
+                                    self.external_prefix,
+                                    file_uri(path).trim_start_matches("file:///")
+                                )
+                                .into();
+                            }
+                        }
+                    } else if !matches!(key.as_str(), "args" | "env" | "output" | "expression" | "value") {
+                        self.rewrite(value, direction);
+                    }
+                }
+            }
+            _ => {}
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde_json::json;
+    #[test]
+    fn maps_protocol_paths_without_changing_user_data_or_adapter_mappings() {
+        let m = TargetMapping {
+            paths: PathMapping::new("C:/project", "/app"),
+            external_prefix: "openidea-target://test/0/".into(),
+        };
+        let mut request = json!({"arguments":{"source":{"path":"C:/project/a.py"},"program":"C:/project/a.py","cwd":"C:/project", "args":["C:/project/text"],"env":{"path":"C:/project/text"},"pathMappings":[{"localRoot":"/app","remoteRoot":"/app"}]}});
+        m.rewrite(&mut request, Direction::ToTarget);
+        assert_eq!(request["arguments"]["source"]["path"], "/app/a.py");
+        assert_eq!(request["arguments"]["cwd"], "/app");
+        assert_eq!(request["arguments"]["args"][0], "C:/project/text");
+        assert_eq!(request["arguments"]["env"]["path"], "C:/project/text");
+        let mut response = json!({"body":{"stackFrames":[{"source":{"path":"/app/a.py"}},{"source":{"path":"/usr/lib/a.py"}}],"sources":[{"path":"/app/b.py"}],"output":"/app/a.py"}});
+        m.rewrite(&mut response, Direction::ToHost);
+        assert_eq!(response["body"]["stackFrames"][0]["source"]["path"], "C:\\project\\a.py");
+        assert_eq!(response["body"]["sources"][0]["path"], "C:\\project\\b.py");
+        assert_eq!(response["body"]["stackFrames"][1]["source"]["path"], "openidea-target://test/0/usr/lib/a.py");
+        assert_eq!(response["body"]["output"], "/app/a.py");
+    }
+}
@@ -1,401 +0,0 @@
-//! Instances, fields and referrers through a session's JVM inspector.
-
-use super::*;
-use crate::jvm_memory::test_support::FakeInspector;
-use ide_core::event::JvmBackendState;
-use ide_jvm_inspect::{InspectError, JvmValue, VmTarget};
-use tokio::io::AsyncReadExt;
-
-fn debug_events(h: &Harness) -> Vec<DebugEvent> {
-    h.events
-        .lock()
-        .iter()
-        .filter_map(|e| match e {
-            IdeEvent::Debug { event, .. } => Some(event.clone()),
-            _ => None,
-        })
-        .collect()
-}
-
-fn backend_events(h: &Harness) -> Vec<JvmBackendState> {
-    debug_events(h)
-        .into_iter()
-        .filter_map(|e| match e {
-            DebugEvent::JvmBackend { state } => Some(state),
-            _ => None,
-        })
-        .collect()
-}
-
-/// A java-debug session stopped at its breakpoint, inspected by `fake`.
-async fn stopped_with(h: &Harness, config: LaunchConfig, fake: &Arc<FakeInspector>) -> DebugSessionId {
-    let id = h.start(config).await.unwrap();
-    h.wait_event(|e| matches!(e, DebugEvent::Stopped { .. })).await;
-    h.manager.set_jvm_inspector(id, fake.clone()).unwrap();
-    id
-}
-
-fn object(id: u64) -> JvmValue {
-    JvmValue::Object { id, type_name: "A".into() }
-}
-
-const NOT_SUSPENDED: JvmInstancesResult =
-    JvmInstancesResult::Unavailable { reason: JvmInspectUnavailable::NotSuspended };
-
-#[tokio::test]
-async fn instances_need_a_suspended_session() {
-    let h = harness(Script { continued_after_stop: true, ..Script::default() });
-    let id = h.start(java_config("launch")).await.unwrap();
-    h.wait_event(|e| matches!(e, DebugEvent::Continued { .. })).await;
-    let fake = Arc::new(FakeInspector::default());
-    h.manager.set_jvm_inspector(id, fake.clone()).unwrap();
-    assert_eq!(h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap(), NOT_SUSPENDED);
-    assert_eq!(fake.calls(), 0);
-}
-
-#[tokio::test]
-async fn instances_without_an_inspector_have_no_backend() {
-    let h = harness(Script::default());
-    let id = h.start(java_config("launch")).await.unwrap();
-    h.wait_event(|e| matches!(e, DebugEvent::Stopped { .. })).await;
-    assert_eq!(
-        h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap(),
-        JvmInstancesResult::Unavailable { reason: JvmInspectUnavailable::NoBackend }
-    );
-}
-
-#[tokio::test]
-async fn object_from_previous_stop_is_stale() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector::default());
-    fake.instances.lock().push(object(7));
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let JvmInstancesResult::Ready { generation, instances, truncated } =
-        h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap()
-    else {
-        panic!("instances unavailable");
-    };
-    assert_eq!((generation, instances, truncated), (1, vec![object(7)], false));
-
-    h.manager.session(id).unwrap().suspended.stopped(None, true);
-    let stale = JvmObjectRef { generation, id: 7 };
-    assert_eq!(
-        h.manager.jvm_memory_fields(id, stale).await.unwrap(),
-        JvmFieldsResult::Unavailable { reason: JvmInspectUnavailable::Stale }
-    );
-    assert_eq!(
-        h.manager.jvm_memory_referrers(id, stale, 10).await.unwrap(),
-        JvmReferrersResult::Unavailable { reason: JvmInspectUnavailable::Stale }
-    );
-    assert_eq!(fake.calls(), 1, "a stale object never reaches the inspector");
-    let current = JvmObjectRef { generation: 2, id: 7 };
-    assert_eq!(h.manager.jvm_memory_fields(id, current).await.unwrap(), JvmFieldsResult::Ready { fields: Vec::new() });
-}
-
-#[tokio::test]
-async fn instances_stay_readable_while_another_thread_is_stopped() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector::default());
-    fake.instances.lock().push(object(7));
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let session = h.manager.session(id).unwrap();
-    // Threads 20, 21, then 22 stop alone (SUSPEND_EVENT_THREAD).
-    session.suspended.continued(Some(1), true);
-    for thread in [20, 21, 22] {
-        session.suspended.stopped(Some(thread), false);
-    }
-    let instances = || h.manager.jvm_memory_instances(id, "A".into(), 10);
-    let result = instances().await.unwrap();
-    let JvmInstancesResult::Ready { generation, .. } = result else { panic!("{result:?}") };
-    let read_on_22 = JvmObjectRef { generation, id: 7 };
-
-    // An earlier thread resumes: the stop on 22 goes on, and so does what was read on it.
-    session.suspended.continued(Some(20), false);
-    assert_eq!(
-        h.manager.jvm_memory_fields(id, read_on_22).await.unwrap(),
-        JvmFieldsResult::Ready { fields: Vec::new() }
-    );
-
-    // The latest one resumes: 21 is still stopped, but what was read on 22 is stale.
-    session.suspended.continued(Some(22), false);
-    assert_eq!(
-        h.manager.jvm_memory_fields(id, read_on_22).await.unwrap(),
-        JvmFieldsResult::Unavailable { reason: JvmInspectUnavailable::Stale }
-    );
-    let result = instances().await.unwrap();
-    assert!(matches!(result, JvmInstancesResult::Ready { .. }), "{result:?}");
-}
-
-/// Starts `instances` on a held fake inspector; returns once the inspector was entered.
-async fn held_request(
-    h: &Harness,
-    id: DebugSessionId,
-    fake: &Arc<FakeInspector>,
-) -> tokio::task::JoinHandle<IdeResult<JvmInstancesResult>> {
-    let manager = h.manager.clone();
-    let request = tokio::spawn(async move { manager.jvm_memory_instances(id, "A".into(), 10).await });
-    tokio::time::timeout(Duration::from_secs(2), fake.entered.notified()).await.unwrap();
-    request
-}
-
-#[tokio::test]
-async fn stop_during_request_is_stale() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector { hold: true, ..FakeInspector::default() });
-    fake.instances.lock().push(object(7));
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let request = held_request(&h, id, &fake).await;
-    h.manager.session(id).unwrap().suspended.stopped(None, true);
-    fake.release.notify_one();
-    assert_eq!(
-        request.await.unwrap().unwrap(),
-        JvmInstancesResult::Unavailable { reason: JvmInspectUnavailable::Stale }
-    );
-}
-
-#[tokio::test]
-async fn resume_during_request_is_stale() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector { hold: true, ..FakeInspector::default() });
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let request = held_request(&h, id, &fake).await;
-    h.manager.session(id).unwrap().suspended.continued(None, true);
-    fake.release.notify_one();
-    assert_eq!(
-        request.await.unwrap().unwrap(),
-        JvmInstancesResult::Unavailable { reason: JvmInspectUnavailable::Stale }
-    );
-}
-
-#[tokio::test]
-async fn one_request_at_a_time_per_session() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector { hold: true, ..FakeInspector::default() });
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let first = held_request(&h, id, &fake).await;
-    let manager = h.manager.clone();
-    let second = tokio::spawn(async move { manager.jvm_memory_instances(id, "B".into(), 10).await });
-    tokio::time::sleep(Duration::from_millis(50)).await;
-    assert_eq!(fake.calls(), 1, "the second request waits for the first");
-    fake.release.notify_one();
-    first.await.unwrap().unwrap();
-    tokio::time::timeout(Duration::from_secs(2), fake.entered.notified()).await.unwrap();
-    fake.release.notify_one();
-    second.await.unwrap().unwrap();
-    assert_eq!(fake.calls(), 2);
-}
-
-#[tokio::test]
-async fn session_end_lets_go_of_a_waiting_inspector() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector { hold: true, ..FakeInspector::default() });
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let request = held_request(&h, id, &fake).await;
-    h.manager.session(id).unwrap().kill_processes();
-    assert_eq!(
-        tokio::time::timeout(Duration::from_secs(2), request).await.unwrap().unwrap().unwrap(),
-        JvmInstancesResult::Unavailable { reason: JvmInspectUnavailable::BackendClosed }
-    );
-    assert_eq!(Arc::strong_count(&fake), 1, "no clone of the inspector outlives the session");
-}
-
-#[tokio::test]
-async fn target_carries_pid_for_launch() {
-    let h = harness(Script { debuggee_pid: Some(4242), java_process_id: true, ..Script::default() });
-    let fake = Arc::new(FakeInspector::default());
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap();
-    assert_eq!(
-        *fake.targets.lock(),
-        [VmTarget { pid: Some(4242), attach_host: None, attach_port: None, generation: 1 }]
-    );
-}
-
-#[tokio::test]
-async fn target_carries_attach_port_and_host() {
-    let h = harness(Script::default());
-    let project = tempfile::tempdir().unwrap();
-    let fake = Arc::new(FakeInspector::default());
-    let id = stopped_with(&h, remote_attach("java-debug", project.path()), &fake).await;
-    h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap();
-    assert_eq!(
-        *fake.targets.lock(),
-        [VmTarget { pid: None, attach_host: Some("10.0.0.5".into()), attach_port: Some(5005), generation: 1 }]
-    );
-}
-
-#[tokio::test]
-async fn unsupported_backend_turns_instances_off() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector::failing(InspectError::Unsupported("x".into())));
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let before = debug_events(&h).len();
-    assert_eq!(
-        h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap(),
-        JvmInstancesResult::Unavailable { reason: JvmInspectUnavailable::Unsupported { detail: "x".into() } }
-    );
-    let after: Vec<_> = debug_events(&h).split_off(before);
-    assert!(
-        matches!(
-            after.as_slice(),
-            [DebugEvent::JvmBackend { state: JvmBackendState::Unsupported { detail } }, DebugEvent::Capabilities]
-                if detail == "x"
-        ),
-        "{after:?}"
-    );
-    assert!(!h.manager.capabilities(id).unwrap().jvm_instances);
-    assert_eq!(
-        h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap(),
-        JvmInstancesResult::Unavailable { reason: JvmInspectUnavailable::NoBackend }
-    );
-    assert_eq!(fake.calls(), 1);
-}
-
-/// `error` is reported but leaves the backend on.
-async fn keeps_the_backend(error: InspectError, reason: JvmInspectUnavailable) {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector::failing(error));
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let object = JvmObjectRef { generation: 1, id: 7 };
-    assert_eq!(h.manager.jvm_memory_fields(id, object).await.unwrap(), JvmFieldsResult::Unavailable { reason });
-    assert!(h.manager.capabilities(id).unwrap().jvm_instances);
-    assert!(backend_events(&h).is_empty());
-    assert!(h.manager.session(id).unwrap().jvm_inspector.lock().is_some());
-}
-
-#[tokio::test]
-async fn collected_keeps_the_backend() {
-    keeps_the_backend(InspectError::Collected, JvmInspectUnavailable::Collected).await;
-}
-
-#[tokio::test]
-async fn timed_out_keeps_the_backend() {
-    keeps_the_backend(InspectError::TimedOut, JvmInspectUnavailable::TimedOut).await;
-}
-
-#[tokio::test]
-async fn failed_inspection_is_an_error() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector::failing(InspectError::Failed("boom".into())));
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let err = h.manager.jvm_memory_instances(id, "A".into(), 10).await.unwrap_err();
-    assert!(err.to_string().contains("boom"), "{err}");
-    assert!(h.manager.capabilities(id).unwrap().jvm_instances);
-}
-
-#[tokio::test]
-async fn limits_are_clamped() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector::default());
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    for limit in [5000, 0] {
-        h.manager.jvm_memory_instances(id, "A".into(), limit).await.unwrap();
-    }
-    let object = JvmObjectRef { generation: 1, id: 7 };
-    for limit in [0, 900, 20] {
-        h.manager.jvm_memory_referrers(id, object, limit).await.unwrap();
-    }
-    assert_eq!(*fake.limits.lock(), [1000, 1, 50, 200, 20]);
-}
-
-#[tokio::test]
-async fn a_full_page_is_truncated() {
-    let h = harness(Script::default());
-    let fake = Arc::new(FakeInspector::default());
-    fake.instances.lock().extend([object(1), object(2)]);
-    let id = stopped_with(&h, java_config("launch"), &fake).await;
-    let truncated = |r: JvmInstancesResult| match r {
-        JvmInstancesResult::Ready { truncated, .. } => truncated,
-        other => panic!("{other:?}"),
-    };
-    assert!(truncated(h.manager.jvm_memory_instances(id, "A".into(), 2).await.unwrap()));
-    assert!(!truncated(h.manager.jvm_memory_instances(id, "A".into(), 3).await.unwrap()));
-}
-
-#[tokio::test]
-async fn capability_follows_the_inspector() {
-    let h = harness(Script::default());
-    let id = h.start(java_config("launch")).await.unwrap();
-    assert!(!h.manager.capabilities(id).unwrap().jvm_instances);
-    let before = debug_events(&h).len();
-    h.manager.set_jvm_inspector(id, Arc::new(FakeInspector::default())).unwrap();
-    assert!(h.manager.capabilities(id).unwrap().jvm_instances);
-    assert!(matches!(debug_events(&h).split_off(before).as_slice(), [DebugEvent::Capabilities]));
-}
-
-#[tokio::test]
-async fn remote_attach_counts_classes_through_the_debugger() {
-    let h = harness(Script::default());
-    let project = tempfile::tempdir().unwrap();
-    let fake = Arc::new(FakeInspector::default());
-    fake.counts.lock().push(ide_jvm_inspect::ClassCount { name: "A".into(), instances: 3 });
-    let id = stopped_with(&h, remote_attach("java-debug", project.path()), &fake).await;
-    let result = h.manager.jvm_memory_classes(id).await.unwrap();
-    assert!(
-        matches!(&result, JvmMemoryResult::Ready { snapshot }
-            if snapshot.source == JvmMemorySource::Debugger && snapshot.rows.len() == 1),
-        "{result:?}"
-    );
-    assert_eq!(fake.targets.lock()[0].attach_port, Some(5005));
-}
-
-const HANDSHAKE: &[u8; 14] = b"JDWP-Handshake";
-
-/// A Kotlin attach whose link reaches a fake JVM: (adapter end, JVM end) after both handshakes.
-async fn linked_kotlin(h: &Harness) -> (DebugSessionId, tokio::net::TcpStream, tokio::net::TcpStream) {
-    let jvm = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
-    let project = tempfile::tempdir().unwrap();
-    let id = h.start(kotlin_attach(project.path(), "127.0.0.1", jvm.local_addr().unwrap().port())).await.unwrap();
-    let link_port = h.request("attach")["arguments"]["port"].as_u64().unwrap() as u16;
-    let mut adapter = tokio::net::TcpStream::connect(("127.0.0.1", link_port)).await.unwrap();
-    adapter.write_all(HANDSHAKE).await.unwrap();
-    let (mut jvm, _) = tokio::time::timeout(Duration::from_secs(2), jvm.accept()).await.unwrap().unwrap();
-    let mut buf = [0; 14];
-    jvm.read_exact(&mut buf).await.unwrap();
-    jvm.write_all(HANDSHAKE).await.unwrap();
-    adapter.read_exact(&mut buf).await.unwrap();
-    (id, adapter, jvm)
-}
-
-/// A command the adapter sends with an id from the link's own range: the link then only forwards.
-async fn degrade(adapter: &mut tokio::net::TcpStream) {
-    let mut packet = 11u32.to_be_bytes().to_vec();
-    packet.extend(ide_jdwp::OWN_IDS.start.to_be_bytes());
-    packet.extend([0, 1, 1]);
-    adapter.write_all(&packet).await.unwrap();
-}
-
-async fn wait_backend(h: &Harness, want: impl Fn(&JvmBackendState) -> bool) {
-    h.wait_event(|e| matches!(e, DebugEvent::JvmBackend { state } if want(state))).await;
-}
-
-#[tokio::test]
-async fn kotlin_link_reports_degraded_then_closed() {
-    let h = harness(Script::default());
-    let (id, mut adapter, jvm) = linked_kotlin(&h).await;
-    degrade(&mut adapter).await;
-    wait_backend(&h, |s| matches!(s, JvmBackendState::Degraded { .. })).await;
-    drop(jvm);
-    wait_backend(&h, |s| *s == JvmBackendState::Closed).await;
-    assert_eq!(backend_events(&h).len(), 2, "{:?}", backend_events(&h));
-    let session = h.manager.session(id).unwrap();
-    assert!(session.jdwp_link.lock().is_some(), "a closed link is kept until the session ends");
-}
-
-#[tokio::test]
-async fn kotlin_link_is_quiet_once_the_program_ended() {
-    let h = harness(Script::default());
-    let (id, _adapter, jvm) = linked_kotlin(&h).await;
-    let session = h.manager.session(id).unwrap();
-    // The adapter reported the end; the session keeps its link until it shuts down.
-    session.terminated.store(true, Ordering::Release);
-    drop(jvm);
-    for _ in 0..100 {
-        if session.jdwp_link.lock().as_ref().is_some_and(|l| l.state() == ide_jdwp::LinkState::Closed) {
-            break;
-        }
-        tokio::time::sleep(Duration::from_millis(10)).await;
-    }
-    tokio::time::sleep(Duration::from_millis(50)).await;
-    assert!(backend_events(&h).is_empty(), "{:?}", backend_events(&h));
-}
@@ -0,0 +1,30 @@
+import sys,json,os,socket
+root=os.environ.get("FAKE_ROOT","/app")
+r=sys.stdin.buffer; w=sys.stdout.buffer
+seq=0
+def send(v):
+ global seq
+ seq+=1; v['seq']=seq
+ b=json.dumps(v).encode(); w.write(('Content-Length: %d\r\n\r\n'%len(b)).encode()+b); w.flush()
+while True:
+ line=r.readline()
+ if not line: break
+ n=int(line.split(b':')[1]); assert r.readline()==b'\r\n'
+ q=json.loads(r.read(n)); c=q['command']; a=q.get('arguments',{}); body={}
+ if c=='initialize': body={'supportsConfigurationDoneRequest':True}
+ if c=='launch':
+  if 'program' in a: assert a['program']==root+'/main.py',a
+  if os.environ.get('FAKE_CONNECT_BACK'):
+   listener=socket.socket(); listener.bind(('127.0.0.1',a['port'])); listener.listen()
+  assert a['cwd']==root,a
+  send({'type':'event','event':'initialized'})
+ if c=='setBreakpoints':
+  assert a['source']['path']==root+'/main.py',a
+  body={'breakpoints':[{'verified':True,'line':3}]}
+ if c=='threads': body={'threads':[{'id':1,'name':'target main'}]}
+ if c=='configurationDone': send({'type':'event','event':'stopped','body':{'reason':'breakpoint','threadId':1,'allThreadsStopped':True}})
+ if c=='stackTrace' and os.environ.get('FAKE_CONNECT_BACK'):
+  client,_=listener.accept(); assert client.recv(4096).decode()==root+'/main.py'; client.close()
+ if c=='stackTrace': body={'stackFrames':[{'id':1,'name':'main','line':3,'column':1,'source':{'path':root+'/main.py'}}]}
+ send({'type':'response','request_seq':q['seq'],'command':c,'success':True,'body':body})
+ if c=='disconnect': break
@@ -93,9 +93,23 @@ async fn listens_for_xdebug_until_stopped_with_path_mappings() {
        .await
        .unwrap();
    let id = manager
-        .start_with(listen_config(port, &served, &local), SessionOwner::new("main", sink.clone()), |_| {
-            Some(adapter.clone())
-        })
+        .start_prepared(
+            listen_config(port, &served, &served),
+            SessionOwner::new("main", sink.clone()),
+            |_| None,
+            |spec, _| {
+                spec.command = adapter.clone();
+                spec.cwd = local.clone();
+                spec.target = Some(ide_dap::target::TargetMapping {
+                    paths: ide_core::path_mapping::PathMapping::new(
+                        &local.to_string_lossy(),
+                        &served.to_string_lossy(),
+                    ),
+                    external_prefix: "openidea-target://php/0/".into(),
+                });
+                Ok(())
+            },
+        )
        .await
        .unwrap_or_else(|e| panic!("start: {e:?}"));

@@ -151,16 +151,6 @@ fn cases(dir: &Path) -> Vec<Case> {
            field: None,
            config: launch("lldb-dap", &c.join("main"), &c, serde_json::json!({"env": ["OPENIDEA_FIXTURE=1"]})),
        },
-        // GDB's own DAP interpreter needs GDB 14+; older ones are skipped by `installed`.
-        Case {
-            adapter: "gdb",
-            source: c.join("main.c"),
-            loop_line: 13,
-            after_loop: 15,
-            function: "parse",
-            field: None,
-            config: launch("gdb", &c.join("main"), &c, serde_json::json!({})),
-        },
    ]);
    out
 }
@@ -240,16 +230,6 @@ fn installed(adapter: &str) -> bool {
        "js-debug" => "js-debug-adapter",
        "delve" => "dlv",
        "java-debug" => return true,
-        // Only a GDB with the DAP interpreter (14+) counts as installed.
-        "gdb" => {
-            return std::process::Command::new("gdb").arg("--version").output().is_ok_and(|out| {
-                String::from_utf8_lossy(&out.stdout)
-                    .lines()
-                    .next()
-                    .and_then(adapter::parse_gdb_version)
-                    .is_some_and(|(major, _)| major >= 14)
-            });
-        }
        other => other,
    };
    adapter::resolve_binary(cmd, Path::new("/")).is_some()
@@ -0,0 +1,130 @@
+//! Real stdio transport through a target wrapper, without Docker or installed adapters.
+#![cfg(unix)]
+use ide_core::{SharedSink, path_mapping::PathMapping};
+use ide_dap::{target::TargetMapping, *};
+use ide_language::LanguageRegistry;
+use std::{collections::BTreeMap, sync::Arc};
+
+const ADAPTER: &str = include_str!("fixtures/target_adapter.py");
+
+#[tokio::test]
+async fn stdio_adapter_through_target_maps_launch_breakpoints_and_frames() {
+    use std::os::unix::fs::PermissionsExt;
+    let tmp = tempfile::tempdir().unwrap();
+    let root = tmp.path().canonicalize().unwrap();
+    let adapter = root.join("adapter.py");
+    std::fs::write(&adapter, ADAPTER).unwrap();
+    let wrapper = root.join("wrapper");
+    std::fs::write(&wrapper, "#!/bin/sh\nprintf '%s\\n' \"$@\" > wrapper-argv\nexec \"$@\"\n").unwrap();
+    std::fs::set_permissions(&wrapper, std::fs::Permissions::from_mode(0o755)).unwrap();
+    let target = ide_core::remote_settings::PluginRunTarget {
+        id: "fake".into(),
+        name: "Fake".into(),
+        program: "wrapper".into(),
+        args: vec![],
+        workdir_args: vec![],
+        container_root: Some("/app".into()),
+        commands: vec![],
+    };
+    // Keep the fixture adapter outside mapped argv; this is the container's executable.
+    let run: ide_run::RunConfig = serde_json::from_value(serde_json::json!({"id":"adapter","name":"Adapter","kind":"shell","command":"/usr/bin/python3","args":["-u","-c",ADAPTER],"cwd":".","env":{},"detected":false,"isTest":false})).unwrap();
+    let run = ide_remote::plugin_target::prepare(&root, &target, &wrapper, &run).unwrap();
+    let manager = DebugManager::new(Arc::new(LanguageRegistry::load(None).unwrap()));
+    manager
+        .set_breakpoints(
+            root.join("main.py"),
+            vec![Breakpoint { line: 2, enabled: true, condition: None, hit_condition: None, log_message: None }],
+        )
+        .await
+        .unwrap();
+    let config = LaunchConfig {
+        name: "Target".into(),
+        adapter: "debugpy".into(),
+        request: "launch".into(),
+        program: Some(root.join("main.py").to_string_lossy().into_owned()),
+        args: vec![],
+        cwd: Some(root.clone().into()),
+        env: BTreeMap::new(),
+        extra_json: None,
+    };
+    let sink: SharedSink = Arc::new(|_| {});
+    let mapping = TargetMapping {
+        paths: PathMapping::new(&root.to_string_lossy(), "/app"),
+        external_prefix: "openidea-target://fake/0/".into(),
+    };
+    let id = manager
+        .start_prepared(
+            config,
+            SessionOwner::new("test", sink),
+            |_| None,
+            move |spec, _| {
+                spec.command = run.command;
+                spec.args = run.args;
+                spec.cwd = root;
+                spec.target = Some(mapping);
+                Ok(())
+            },
+        )
+        .await
+        .unwrap();
+    let frames = manager.stack_trace(id, 1).await.unwrap();
+    assert_eq!(
+        frames[0].path.as_ref().unwrap().to_string_lossy(),
+        tmp.path().canonicalize().unwrap().join("main.py").to_string_lossy()
+    );
+    assert_eq!(frames[0].line, 2);
+    assert!(std::fs::read_to_string(tmp.path().join("wrapper-argv")).unwrap().starts_with("python3\n-u\n-c\n"));
+    manager.stop(id).await.unwrap();
+}
+
+#[tokio::test]
+async fn host_adapter_accepts_connect_back_from_target_with_mapped_sources() {
+    let tmp = tempfile::tempdir().unwrap();
+    let root = tmp.path().canonicalize().unwrap();
+    let port = ide_dap::adapter::free_port().unwrap();
+    let manager = DebugManager::new(Arc::new(LanguageRegistry::load(None).unwrap()));
+    manager
+        .set_breakpoints(
+            root.join("main.py"),
+            vec![Breakpoint { line: 2, enabled: true, condition: None, hit_condition: None, log_message: None }],
+        )
+        .await
+        .unwrap();
+    let config = LaunchConfig {
+        name: "Connect back".into(),
+        adapter: "php-debug".into(),
+        request: "launch".into(),
+        program: None,
+        args: vec![],
+        cwd: Some(root.clone().into()),
+        env: BTreeMap::new(),
+        extra_json: Some(serde_json::json!({"port":port,"pathMappings":{"/app":"/app"}}).to_string()),
+    };
+    let sink: SharedSink = Arc::new(|_| {});
+    let mapping = TargetMapping {
+        paths: PathMapping::new(&root.to_string_lossy(), "/app"),
+        external_prefix: "openidea-target://fake/0/".into(),
+    };
+    let id = manager
+        .start_prepared(
+            config,
+            SessionOwner::new("test", sink),
+            |_| None,
+            move |spec, _| {
+                spec.command = "/usr/bin/python3".into();
+                spec.args = vec!["-u".into(), "-c".into(), ADAPTER.into()];
+                spec.env.push(("FAKE_CONNECT_BACK".into(), "1".into()));
+                spec.target = Some(mapping);
+                Ok(())
+            },
+        )
+        .await
+        .unwrap();
+    let code =
+        format!("import socket;s=socket.create_connection(('127.0.0.1', {port}));s.sendall(b'/app/main.py');s.close()");
+    let mut child = tokio::process::Command::new("/usr/bin/python3").args(["-c", &code]).spawn().unwrap();
+    let frames = manager.stack_trace(id, 1).await.unwrap();
+    assert_eq!(frames[0].path.as_ref().unwrap().to_path_buf(), root.join("main.py"));
+    assert!(child.wait().await.unwrap().success());
+    manager.stop(id).await.unwrap();
+}
@@ -20,7 +20,7 @@ parking_lot.workspace = true
 futures.workspace = true
 sqlx.workspace = true
 tiberius.workspace = true
-oracledb.workspace = true
+oracle.workspace = true
 bb8.workspace = true
 tokio-util = { workspace = true, features = ["compat"] }
 dirs.workspace = true
@@ -417,7 +417,7 @@ fn binary_type(name: &str, text: bool) -> bool {
 }

 /// Bytes as text: UTF-8, else hex (grids) or with invalid sequences replaced (catalog names).
-pub(crate) fn bytes_text(bytes: Vec<u8>, mode: Cells) -> String {
+fn bytes_text(bytes: Vec<u8>, mode: Cells) -> String {
    match (String::from_utf8(bytes), mode) {
        (Ok(s), _) => s,
        (Err(e), Cells::Display) => hex(e.as_bytes()),
@@ -594,13 +594,6 @@ fn is_identifier(name: &str) -> bool {
        && chars.all(|c| c.is_ascii_alphanumeric() || c == '_' || c == '.')
 }

-/// sqlx's handshake flags for `sql_mode`: with either enabled it sends
-/// `SET sql_mode=(SELECT CONCAT(...))`, a non-constant subquery that MySQL-protocol
-/// servers like StarRocks reject (#2452), so the StarRocks preset turns both off.
-fn mysql_mode_flags(vendor: &str) -> (bool, bool) {
-    if vendor == "starrocks" { (false, false) } else { (true, true) }
-}
-
 /// A MySQL `SET` value: numbers and keywords as they are, anything else quoted.
 fn mysql_value(v: &str) -> String {
    let keyword = ["ON", "OFF", "TRUE", "FALSE", "DEFAULT"].iter().any(|k| k.eq_ignore_ascii_case(v));
@@ -846,8 +839,6 @@ impl Pool {
                if let Some(c) = &setup.collation {
                    opts = opts.collation(c);
                }
-                let (pipes_as_concat, no_engine_substitution) = mysql_mode_flags(&source.vendor);
-                opts = opts.pipes_as_concat(pipes_as_concat).no_engine_substitution(no_engine_substitution);
                if let Some(n) = setup.statement_cache {
                    opts = opts.statement_cache_capacity(n);
                }
@@ -1042,7 +1033,7 @@ pub enum Held {
    Mysql(Box<bb8::PooledConnection<'static, MysqlManager>>),
    SqlServer(Box<bb8::PooledConnection<'static, MssqlConnectionManager>>),
    Clickhouse(crate::clickhouse::ClickhousePool),
-    Oracle(Box<crate::oracle::OracleConnection>),
+    Oracle(crate::oracle::OracleConnection),
 }

 impl Held {
@@ -1058,7 +1049,7 @@ impl Held {
                }
                Held::Clickhouse(p.clone())
            }
-            Pool::Oracle(p) => Held::Oracle(Box::new(p.get().await?)),
+            Pool::Oracle(p) => Held::Oracle(p.get().await?),
        })
    }

@@ -1474,15 +1465,6 @@ mod tests {
        assert!(Setup::of(&DataSource { properties: vec![prop("connect_timeout", "soon")], ..s }).is_err());
    }

-    #[test]
-    fn starrocks_disables_the_non_constant_sql_mode_handshake() {
-        // MySQL and its other wire-compatible presets keep sqlx's defaults.
-        for vendor in ["", "mysql", "mariadb", "tidb"] {
-            assert_eq!(mysql_mode_flags(vendor), (true, true), "{vendor}");
-        }
-        assert_eq!(mysql_mode_flags("starrocks"), (false, false));
-    }
-
    #[test]
    fn sqlite_properties_become_pragmas() {
        let s = DataSource { properties: vec![prop("cache_size", "-2000")], ..Default::default() };
@@ -57,7 +57,6 @@ impl DbTableKind {
 pub enum DbObjectKind {
    Function,
    Procedure,
-    Package,
    Trigger,
    Sequence,
 }
@@ -93,21 +92,12 @@ pub struct SequenceInfo {
    pub data_type: String,
 }

-/// An Oracle package (its procedures and functions are not listed separately).
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-#[serde(rename = "DbPackageInfo")]
-pub struct PackageInfo {
-    pub name: String,
-}
-
-/// A schema's routines (procedures and functions), packages and sequences.
+/// A schema's routines and sequences (the tree's `routines` / `sequences` folders).
 #[derive(Debug, Clone, PartialEq, Eq, Default, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
 #[serde(rename = "DbSchemaObjects")]
 pub struct SchemaObjects {
    pub routines: Vec<RoutineInfo>,
-    pub packages: Vec<PackageInfo>,
    pub sequences: Vec<SequenceInfo>,
 }

@@ -306,7 +296,7 @@ fn through_tunnel(e: IdeError, source: &DataSource, via: Option<&str>) -> IdeErr

 /// Options › Run keep-alive query: pings the pool until it is closed or dropped
 /// (a dropped SSH tunnel or an idle-killing proxy stays alive meanwhile).
-pub(crate) fn keep_alive(pool: &Arc<Pool>, every: Duration) {
+fn keep_alive(pool: &Arc<Pool>, every: Duration) {
    let pool = Arc::downgrade(pool);
    tokio::spawn(async move {
        let mut tick = tokio::time::interval(every);
@@ -863,14 +853,6 @@ impl DbManager {
                })
                .collect();
        }
-        if let Some(q) = sql::packages(driver, schema) {
-            out.packages = pool
-                .rows(&q, MAX_META_ROWS)
-                .await?
-                .into_iter()
-                .filter_map(|r| Some(PackageInfo { name: r.into_iter().next().flatten()? }))
-                .collect();
-        }
        if let Some(q) = sql::sequences(driver, schema) {
            out.sequences = pool
                .rows(&q, MAX_META_ROWS)
@@ -888,29 +870,9 @@ impl DbManager {
        Ok(out)
    }

-    /// The definition of a routine (every overload), package (spec and body), trigger or sequence.
+    /// The definition of a routine (every overload), trigger or sequence.
    pub async fn object_ddl(&self, id: &str, schema: &str, kind: DbObjectKind, name: &str) -> IdeResult<String> {
        let pool = self.pool(id).await?;
-        if kind == DbObjectKind::Package {
-            let mut defs: Vec<String> = Vec::new();
-            for body in [false, true] {
-                let Some(q) = sql::package_ddl(pool.driver(), schema, name, body) else { continue };
-                match pool.rows(&q, MAX_META_ROWS).await {
-                    Ok(rows) => defs.extend(rows.into_iter().filter_map(|r| r.into_iter().next().flatten())),
-                    // A spec-only package has no body: the spec alone still opens.
-                    Err(e) if body => tracing::warn!("package body {schema}.{name}: {}", e.message),
-                    Err(e) => return Err(e),
-                }
-            }
-            if defs.is_empty() {
-                return Err(IdeError::not_found(format!("{schema}.{name}")));
-            }
-            return Ok(defs
-                .iter()
-                .map(|d| format!("{};\n", d.trim_end().trim_end_matches(';')))
-                .collect::<Vec<_>>()
-                .join("\n"));
-        }
        let (q, column) = sql::object_ddl(pool.driver(), schema, kind, name)
            .ok_or_else(|| IdeError::invalid(format!("no {kind:?} objects in this database")))?;
        let defs: Vec<String> = pool
@@ -20,7 +20,7 @@ pub enum DbDriver {
    /// Microsoft SQL Server.
    SqlServer,
    Clickhouse,
-    /// Oracle Database (pure-Rust thin driver, no client library).
+    /// Oracle Database (via Oracle Instant Client).
    Oracle,
 }

@@ -88,6 +88,8 @@ pub struct DbOptions {
    pub auto_disconnect_secs: Option<u32>,
    /// PostgreSQL: show only the configured database, its schemas right under the data source.
    pub single_database: bool,
+    /// Oracle: directory of the Oracle Instant Client (empty: `ORACLE_HOME` / system search path).
+    pub instant_client: String,
 }

 /// Schemas tab: the databases / schemas the tree shows. Names may use `*` and `?`.
@@ -268,7 +270,7 @@ pub fn scheme_driver(scheme: &str) -> Option<DbDriver> {
    match scheme.to_ascii_lowercase().as_str() {
        "postgres" | "postgresql" | "pgsql" | "redshift" | "cockroachdb" | "cockroach" | "yugabytedb"
        | "timescaledb" | "greenplum" => Some(DbDriver::Postgres),
-        "mysql" | "mariadb" | "tidb" | "singlestore" | "memsql" | "oceanbase" | "starrocks" => Some(DbDriver::Mysql),
+        "mysql" | "mariadb" | "tidb" | "singlestore" | "memsql" | "oceanbase" => Some(DbDriver::Mysql),
        "sqlserver" | "mssql" | "mssqlserver" => Some(DbDriver::SqlServer),
        "sqlite" | "sqlite3" => Some(DbDriver::Sqlite),
        "clickhouse" | "http" | "https" => Some(DbDriver::Clickhouse),
@@ -557,7 +559,6 @@ mod tests {
        assert_eq!((u.host.as_str(), u.port, u.user.as_str()), ("::1", None, "root"));
        assert_eq!(parse_url("jdbc:redshift://r:5439/dev").unwrap().driver, Some(DbDriver::Postgres));
        assert_eq!(parse_url("tidb://h:4000").unwrap().driver, Some(DbDriver::Mysql));
-        assert_eq!(parse_url("starrocks://h:9030").unwrap().driver, Some(DbDriver::Mysql));
        assert_eq!(parse_url("sqlite:/tmp/a.db").unwrap().file.as_deref(), Some("/tmp/a.db"));
        let u = parse_url("oracle://scott:[email protected]:1521/ORCLPDB1").unwrap();
        assert_eq!(u.driver, Some(DbDriver::Oracle));
@@ -664,32 +664,6 @@ pub fn routines(driver: DbDriver, schema: &str) -> Option<String> {
    }
 }

-/// Rows: `name` of a schema's packages (Oracle only; their procedures and functions are not
-/// listed separately, as in IDEA).
-pub fn packages(driver: DbDriver, schema: &str) -> Option<String> {
-    match driver {
-        DbDriver::Oracle => Some(format!(
-            "SELECT object_name FROM all_objects WHERE owner = {} AND object_type = 'PACKAGE' \
-             AND object_name NOT LIKE 'BIN$%' ORDER BY 1",
-            quote_literal(driver, schema)
-        )),
-        _ => None,
-    }
-}
-
-/// The statement reading a package's specification (`body` false) or body as DDL.
-pub fn package_ddl(driver: DbDriver, schema: &str, name: &str, body: bool) -> Option<String> {
-    match driver {
-        DbDriver::Oracle => Some(format!(
-            "SELECT DBMS_METADATA.GET_DDL('{}', {}, {}) FROM DUAL",
-            if body { "PACKAGE_BODY" } else { "PACKAGE" },
-            quote_literal(driver, name),
-            quote_literal(driver, schema)
-        )),
-        _ => None,
-    }
-}
-
 /// Rows: `name, data type` of a schema's sequences (PostgreSQL, Oracle).
 pub fn sequences(driver: DbDriver, schema: &str) -> Option<String> {
    match driver {
@@ -989,7 +963,6 @@ mod tests {
        assert!(completion_columns(DbDriver::Oracle).contains("all_tab_columns"));
        assert!(triggers(DbDriver::Oracle, "hr", "t").contains("all_triggers"));
        assert!(routines(DbDriver::Oracle, "hr").unwrap().contains("all_objects"));
-        assert!(packages(DbDriver::Oracle, "hr").unwrap().contains("object_type = 'PACKAGE'"));
        assert!(sequences(DbDriver::Oracle, "hr").unwrap().contains("all_sequences"));
    }

@@ -1011,17 +984,6 @@ mod tests {
        let (q, col) = object_ddl(DbDriver::Oracle, "hr", K::Procedure, "p").unwrap();
        assert!(q.contains("DBMS_METADATA.GET_DDL('PROCEDURE'") && col == 0);
        assert!(object_ddl(DbDriver::Oracle, "hr", K::Sequence, "q").unwrap().0.contains("all_sequences"));
-        assert!(
-            package_ddl(DbDriver::Oracle, "hr", "pkg", false)
-                .unwrap()
-                .contains("DBMS_METADATA.GET_DDL('PACKAGE', 'pkg', 'hr')")
-        );
-        assert!(
-            package_ddl(DbDriver::Oracle, "hr", "pkg", true)
-                .unwrap()
-                .contains("DBMS_METADATA.GET_DDL('PACKAGE_BODY', 'pkg', 'hr')")
-        );
-        assert!(package_ddl(DbDriver::Postgres, "public", "pkg", false).is_none());
    }

    #[test]
@@ -1039,7 +1001,6 @@ mod tests {
    fn schema_objects_per_dialect() {
        use crate::DbObjectKind as K;
        assert!(routines(DbDriver::Sqlite, "main").is_none());
-        assert!(packages(DbDriver::Sqlite, "main").is_none());
        assert!(sequences(DbDriver::Mysql, "db").is_none());
        assert!(routines(DbDriver::Postgres, "public").unwrap().contains("n.nspname = 'public'"));
        assert_eq!(
@@ -136,19 +136,24 @@ pub struct DockerRegistry {
    pub username: String,
 }

-#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
 pub struct DockerSettings {
-    #[serde(default)]
+    #[serde(default = "default_connections")]
    pub connections: Vec<DockerConnection>,
    #[serde(default)]
    pub registries: Vec<DockerRegistry>,
 }

-/// Whether `c` is the connection older versions injected when nothing was configured:
-/// Services lists only connections the user added, so this one is dropped on load.
-fn is_injected_default(c: &DockerConnection) -> bool {
-    c.id == "default" && c.name == "Docker" && c.endpoint == DockerEndpoint::Default
+impl Default for DockerSettings {
+    fn default() -> Self {
+        Self { connections: default_connections(), registries: Vec::new() }
+    }
+}
+
+/// Before anything is configured the CLI's own daemon is shown, as before connections existed.
+fn default_connections() -> Vec<DockerConnection> {
+    vec![DockerConnection { id: "default".into(), name: "Docker".into(), endpoint: DockerEndpoint::Default }]
 }

 const SETTINGS_FILE: &str = "docker.json";
@@ -156,17 +161,10 @@ const PASSWORDS_FILE: &str = "docker-passwords.json";

 pub fn load_settings(data_dir: &Path) -> DockerSettings {
    match std::fs::read(data_dir.join(SETTINGS_FILE)) {
-        // A file written before the opt-in Services rework carries the injected default
-        // (saved along with a registry or another connection); drop it unless edited.
-        Ok(bytes) => serde_json::from_slice(&bytes)
-            .map(|mut s: DockerSettings| {
-                s.connections.retain(|c| !is_injected_default(c));
-                s
-            })
-            .unwrap_or_else(|e| {
-                tracing::warn!("{SETTINGS_FILE}: {e}");
-                DockerSettings::default()
-            }),
+        Ok(bytes) => serde_json::from_slice(&bytes).unwrap_or_else(|e| {
+            tracing::warn!("{SETTINGS_FILE}: {e}");
+            DockerSettings::default()
+        }),
        Err(_) => DockerSettings::default(),
    }
 }
@@ -375,8 +373,7 @@ mod tests {
    fn settings_round_trip_and_passwords() {
        let tmp = tempfile::tempdir().unwrap();
        let dir = tmp.path();
-        // Nothing configured: no connection is invented.
-        assert!(load_settings(dir).connections.is_empty());
+        assert_eq!(load_settings(dir).connections[0].endpoint, DockerEndpoint::Default);
        let settings = DockerSettings {
            connections: vec![DockerConnection {
                id: "c1".into(),
@@ -398,32 +395,8 @@ mod tests {
        assert!(auth_for(dir, "postgres").is_none());
        save_settings(dir, &DockerSettings { registries: Vec::new(), ..settings }).unwrap();
        assert_eq!(registry_password(dir, "r1"), None);
-        // An empty list stays empty.
+        // An empty list stays empty (the default connection is only for a missing file).
        save_settings(dir, &DockerSettings { connections: Vec::new(), registries: Vec::new() }).unwrap();
        assert!(load_settings(dir).connections.is_empty());
    }
-
-    #[test]
-    fn load_drops_the_injected_default_connection() {
-        let tmp = tempfile::tempdir().unwrap();
-        let dir = tmp.path();
-        let injected =
-            || DockerConnection { id: "default".into(), name: "Docker".into(), endpoint: DockerEndpoint::Default };
-        let registry =
-            DockerRegistry { id: "r1".into(), name: "GHCR".into(), address: "ghcr.io".into(), username: "me".into() };
-        // Saved untouched by an older version (e.g. along with a registry): dropped on load.
-        save_settings(dir, &DockerSettings { connections: vec![injected()], registries: vec![registry.clone()] })
-            .unwrap();
-        let loaded = load_settings(dir);
-        assert!(loaded.connections.is_empty());
-        assert_eq!(loaded.registries, vec![registry]);
-        // A connection the user renamed or re-pointed stays theirs.
-        let renamed = DockerConnection { name: "Local engine".into(), ..injected() };
-        save_settings(dir, &DockerSettings { connections: vec![renamed.clone()], registries: Vec::new() }).unwrap();
-        assert_eq!(load_settings(dir).connections, vec![renamed]);
-        let repointed =
-            DockerConnection { endpoint: DockerEndpoint::Socket { path: "/var/run/docker.sock".into() }, ..injected() };
-        save_settings(dir, &DockerSettings { connections: vec![repointed.clone()], registries: Vec::new() }).unwrap();
-        assert_eq!(load_settings(dir).connections, vec![repointed]);
-    }
 }
@@ -18,7 +18,6 @@ semver = "1"
 blake3.workspace = true
 zip.workspace = true
 base64.workspace = true
-dunce.workspace = true
 ed25519-dalek = "3"

 [dev-dependencies]
@@ -38,10 +38,6 @@ pub enum Capability {
    Clipboard,
    /// HTTPS (and loopback HTTP) to one host (`*.example.com` matches subdomains).
    Net(String),
-    /// Ask the user when the first request goes to an HTTPS (or loopback) host
-    /// the manifest does not list; each answer applies to one host. Plain
-    /// HTTP elsewhere always needs `net.http:<host>`.
-    NetAsk,
    /// Unencrypted HTTP to one host.
    NetHttp(String),
    /// A local socket or named pipe on the project machine.
@@ -71,22 +67,15 @@ impl Capability {
        match self {
            Self::ProjectRead | Self::EditorRead | Self::Storage | Self::Events | Self::VcsRead => Risk::Low,
            Self::EditorWrite
+            | Self::ProjectWrite
            | Self::DatabaseSources
            | Self::VcsWrite
            | Self::Net(_)
-            | Self::NetAsk
            | Self::NetHttp(_)
            | Self::Secrets
            | Self::InputEvents
            | Self::Clipboard => Risk::Medium,
-            // A trusted project's own files name the programs the IDE starts (its settings, its
-            // build scripts), so writing them is running code.
-            Self::ProjectWrite
-            | Self::IdeCommands
-            | Self::Ipc(_)
-            | Self::Process(_)
-            | Self::FsRead(_)
-            | Self::FsWrite(_) => Risk::High,
+            Self::IdeCommands | Self::Ipc(_) | Self::Process(_) | Self::FsRead(_) | Self::FsWrite(_) => Risk::High,
        }
    }

@@ -115,10 +104,6 @@ impl Capability {
                "Copy to the clipboard from its commands, and read and write it from its web views".into()
            }
            Self::Net(host) => format!("Connect to {host} (from the machine the project is on)"),
-            Self::NetAsk => {
-                "Ask to connect to a host that is not on the list the first time it tries; you allow or refuse each host, and can revoke the allowed ones"
-                    .into()
-            }
            Self::NetHttp(host) => {
                format!("Connect to {host} over unencrypted HTTP (from the machine the project is on)")
            }
@@ -245,7 +230,6 @@ impl fmt::Display for Capability {
            Self::InputEvents => f.write_str("events.input"),
            Self::Clipboard => f.write_str("clipboard"),
            Self::Net(h) => write!(f, "net:{h}"),
-            Self::NetAsk => f.write_str("net:ask"),
            Self::NetHttp(h) => write!(f, "net.http:{h}"),
            Self::Ipc(p) => write!(f, "ipc:{p}"),
            Self::Process(b) => write!(f, "process:{b}"),
@@ -267,9 +251,6 @@ impl FromStr for Capability {
            }
            return match kind {
                "net" | "net.http" => {
-                    if kind == "net" && arg == "ask" {
-                        return Ok(Self::NetAsk);
-                    }
                    let host = arg.strip_prefix("*.").unwrap_or(arg);
                    let valid = !host.is_empty()
                        && host.len() <= 253
@@ -408,15 +389,6 @@ mod tests {
        assert!(Capability::Storage.auto_migrates() && !Capability::EditorWrite.auto_migrates());
    }

-    /// A trusted project's files name programs the IDE starts by itself: the git and language
-    /// server executables in `.openidea/settings.toml`, its build scripts. Writing them is
-    /// running code, and the install dialog says so.
-    #[test]
-    fn writing_project_files_is_a_high_risk_grant() {
-        assert_eq!(Capability::ProjectWrite.risk(), Risk::High);
-        assert!(!Capability::ProjectWrite.auto_migrates());
-    }
-
    #[test]
    fn host_patterns() {
        assert!(host_matches("crates.io", "crates.io"));
@@ -479,25 +451,6 @@ mod command_tests {
    }
 }

-#[cfg(test)]
-mod net_ask_tests {
-    use super::*;
-    #[test]
-    fn net_ask_is_its_own_medium_risk_grant_covering_no_host() {
-        let cap: Capability = "net:ask".parse().unwrap();
-        assert_eq!(cap, Capability::NetAsk);
-        assert_eq!(cap.to_string(), "net:ask");
-        assert_eq!(cap.risk(), Risk::Medium);
-        assert!(!cap.auto_migrates());
-        // It asks; it does not itself connect anywhere or pre-approve a host.
-        assert!(!cap.covers(&"net:api.example.com".parse().unwrap()));
-        assert!(!cap.covers(&Capability::NetHttp("example.com".into())));
-        assert!(!"net:api.example.com".parse::<Capability>().unwrap().covers(&cap));
-        assert_ne!("net:ask.com".parse::<Capability>().unwrap(), Capability::NetAsk);
-        assert!("net:ask".parse::<Capability>().unwrap().describe().contains("host"));
-    }
-}
-
 #[cfg(test)]
 mod database_tests {
    use super::*;
@@ -53,9 +53,6 @@ pub struct Grant {
    /// Granted capabilities (`project.read`, `net:x`, …).
    #[serde(default)]
    pub granted: BTreeSet<String>,
-    /// Exact hosts approved through `net:ask`, separate from manifest grants.
-    #[serde(default)]
-    pub net_hosts: BTreeSet<String>,
    /// Optional capabilities the user declined (not asked again until re-confirmed).
    #[serde(default)]
    pub declined: BTreeSet<String>,
@@ -204,9 +201,6 @@ impl Ledger {
        let Some(grant) = self.grants.get_mut(&req.subject) else {
            return Decision::NeedsConfirmation { new: req.required.clone(), first_time: true };
        };
-        if !req.required.iter().chain(&req.optional).any(|c| c == &Capability::NetAsk) {
-            grant.net_hosts.clear();
-        }
        if !grant.confirmed {
            return Decision::NeedsConfirmation { new: req.required.clone(), first_time: true };
        }
@@ -231,9 +225,6 @@ impl Ledger {
        binaries: BTreeMap<String, BinaryGrant>,
    ) {
        let grant = self.grants.entry(req.subject.clone()).or_default();
-        if !req.required.iter().chain(&req.optional).any(|c| c == &Capability::NetAsk) {
-            grant.net_hosts.clear();
-        }
        grant.plugin_id = req.plugin_id.to_owned();
        grant.version = req.version.to_owned();
        grant.package_hash = req.package_hash.to_owned();
@@ -261,12 +252,6 @@ impl Ledger {
            grant.declined.remove(&s);
            grant.granted.insert(s)
        } else {
-            if let Capability::Net(host) = cap {
-                return grant.net_hosts.remove(host) | grant.granted.remove(&s);
-            }
-            if cap == &Capability::NetAsk {
-                grant.net_hosts.clear();
-            }
            if let Capability::Process(_) = cap {
                grant.binaries.remove(&s);
                for binaries in grant.project_binaries.values_mut() {
@@ -277,19 +262,6 @@ impl Ledger {
        }
    }

-    /// Remembers one exact host without granting a manifest capability.
-    pub fn remember_net_host(&mut self, subject: &Subject, host: &str) -> bool {
-        let Some(grant) = self.grants.get_mut(subject) else { return false };
-        if !grant.confirmed || !grant.has(&Capability::NetAsk) || host.contains('*') {
-            return false;
-        }
-        grant.net_hosts.insert(host.to_owned())
-    }
-
-    pub fn forget_net_host(&mut self, subject: &Subject, host: &str) -> bool {
-        self.grants.get_mut(subject).is_some_and(|g| g.net_hosts.remove(host))
-    }
-
    /// Records the program approved for a `process:` grant.
    pub fn set_binary(&mut self, subject: &Subject, cap: &Capability, binary: BinaryGrant) {
        if let Some(grant) = self.grants.get_mut(subject) {
@@ -420,13 +392,7 @@ pub fn resolve_program(name: &str, path_var: Option<&OsStr>) -> Result<PathBuf,
        return if candidate.is_file() { Ok(candidate.to_path_buf()) } else { Err(format!("{name}: no such program")) };
    }
    let exts: Vec<String> = if cfg!(windows) {
-        let pathext = std::env::var("PATHEXT").unwrap_or_else(|_| ".EXE;.CMD;.BAT".into());
-        let pathext: Vec<String> = pathext.split(';').filter(|e| !e.is_empty()).map(str::to_owned).collect();
-        // A name given with its extension (`cargo.exe`) is looked up as written.
-        let has_ext = candidate.extension().is_some_and(|e| {
-            pathext.iter().any(|x| x.trim_start_matches('.').eq_ignore_ascii_case(&e.to_string_lossy()))
-        });
-        if has_ext { vec![String::new()] } else { pathext }
+        std::env::var("PATHEXT").unwrap_or_else(|_| ".EXE;.CMD;.BAT".into()).split(';').map(str::to_owned).collect()
    } else {
        vec![String::new()]
    };
@@ -447,13 +413,11 @@ pub fn resolve_program(name: &str, path_var: Option<&OsStr>) -> Result<PathBuf,
 /// `p` with its parent canonicalized but the file name as found: PATH
 /// entries like `/var` → `/private/var` (macOS) or `~` links collapse to
 /// their real directory, while a linked program (`cargo` → rustup) keeps
-/// its link name so the shim still dispatches on argv[0]. `dunce` keeps the
-/// path in its usual form on Windows: a `\\?\`-prefixed pin would never
-/// match the path the program was actually started with.
+/// its link name so the shim still dispatches on argv[0].
 fn canonical_dir(p: &Path) -> PathBuf {
    let Some(dir) = p.parent() else { return p.to_path_buf() };
    let Some(name) = p.file_name() else { return p.to_path_buf() };
-    dunce::canonicalize(dir).map(|d| d.join(name)).unwrap_or_else(|_| p.to_path_buf())
+    std::fs::canonicalize(dir).map(|d| d.join(name)).unwrap_or_else(|_| p.to_path_buf())
 }

 fn is_executable(p: &Path) -> bool {
@@ -506,20 +470,6 @@ mod tests {
        list.iter().map(|s| s.parse().unwrap()).collect()
    }

-    #[test]
-    #[cfg(windows)]
-    fn pinned_program_path_has_no_verbatim_prefix() {
-        // std::fs::canonicalize returns \\?\-prefixed paths on Windows; a pin
-        // stored in that form would never match the plain path the program is
-        // started with. dunce keeps the usual form.
-        let dir = tempfile::tempdir().unwrap();
-        std::fs::write(dir.path().join("cargo.exe"), b"").unwrap();
-        let pinned = resolve_program("cargo.exe", Some(dir.path().as_os_str())).unwrap();
-        let shown = pinned.to_string_lossy();
-        assert!(!shown.starts_with(r"\\?\"), "verbatim prefix leaked into the pin: {shown}");
-        assert!(pinned.is_absolute());
-    }
-
    fn req<'a>(version: &'a str, hash: &'a str, required: &[&str], optional: &[&str]) -> Request<'a> {
        Request {
            subject: Subject::Installed("p".into()),
@@ -560,40 +510,6 @@ mod tests {
        assert!(matches!(l.decide(&r3), Decision::NeedsConfirmation { .. }));
    }

-    #[test]
-    fn net_ask_hosts_persist_revoke_and_drop_with_the_capability() {
-        let tmp = tempfile::tempdir().unwrap();
-        let mut l = Ledger::load(tmp.path());
-        let r = req("1.0.0", "h", &["net:ask"], &[]);
-        l.confirm(&r, &[], BTreeMap::new());
-        let host = "api.example.com";
-        assert!(l.remember_net_host(&r.subject, host));
-        assert!(!l.remember_net_host(&r.subject, "*.example.com"));
-        assert!(!l.get(&r.subject).unwrap().has(&Capability::Net(host.into())));
-        l.save().unwrap();
-        l = Ledger::load(tmp.path());
-        assert!(l.get(&r.subject).unwrap().net_hosts.contains(host));
-        l.confirm(&r, &[], BTreeMap::new());
-        assert!(l.get(&r.subject).unwrap().net_hosts.contains(host));
-        assert!(l.set(&r.subject, &Capability::Net(host.into()), false));
-        assert!(l.get(&r.subject).unwrap().net_hosts.is_empty());
-
-        for confirm in [false, true] {
-            l.remember_net_host(&r.subject, host);
-            // A newly declared host must not inherit an ask grant after net:ask is removed.
-            let update = req("2.0.0", "h2", &["project.read", "net:api.example.com"], &[]);
-            if confirm {
-                l.confirm(&update, &[], BTreeMap::new());
-            } else {
-                assert!(matches!(l.decide(&update), Decision::NeedsConfirmation { .. }));
-            }
-            assert!(l.get(&r.subject).unwrap().net_hosts.is_empty());
-        }
-        l.remember_net_host(&r.subject, host);
-        l.set(&r.subject, &Capability::NetAsk, false);
-        assert!(l.get(&r.subject).unwrap().net_hosts.is_empty());
-    }
-
    #[test]
    fn migration_grants_low_risk_only() {
        let tmp = tempfile::tempdir().unwrap();
@@ -19,10 +19,8 @@ mod index;
 pub mod ledger;
 mod manifest;
 pub mod package;
-mod plugin_point;
 mod point;
 mod registry;
-mod resolve;
 mod ui;
 mod when;

@@ -32,12 +30,7 @@ pub use manifest::{
    ActivationEvent, CATEGORIES, Capabilities, ENGINE_VERSION, EVENT_KINDS, LEGACY_API, MANIFEST_FILE, MAX_CATEGORIES,
    Manifest, check_relative, engine_compatible, validate_item_id, validate_plugin_id, validate_point_id,
 };
-pub use plugin_point::{FieldType, PointDecl};
 pub use point::{Commit, Disposable, ExtensionPoint, MAX_PACKAGE_FILE, Package, Placement, Prepared, decode};
-pub use registry::{
-    ChangeListener, Contribution, ContributionInfo, DeclaredPoint, ExtensionRegistry, LOCALES_DIR, LOCALES_POINT,
-    PreparedSet,
-};
-pub use resolve::{Blocked, Dependency, DependencyState, Node, Plan, dependency_state, dependents, plan};
+pub use registry::{ContributionInfo, ExtensionRegistry, LOCALES_DIR, LOCALES_POINT, PreparedSet};
 pub use ui::{UiContribution, UiDecl, UiPoint, UiStore, to_json};
 pub use when::validate_when;
@@ -26,15 +26,13 @@
 //! activated at start-up, as before.

 use crate::capability::Capability;
-use crate::plugin_point::PointDecl;
-use crate::resolve::Dependency;
 use serde::Deserialize;
 use std::collections::BTreeSet;
 use std::path::{Component, Path, PathBuf};

 pub const MANIFEST_FILE: &str = "plugin.toml";
 /// The plugin API (engine) version this host implements.
-pub const ENGINE_VERSION: &str = "1.5.0";
+pub const ENGINE_VERSION: &str = "1.4.0";
 /// The 0.1 API, still accepted for contribution-only packages and 0.1 components.
 pub const LEGACY_API: &str = "0.1";
 /// Marketplace categories, in the order they are shown.
@@ -68,10 +66,6 @@ pub struct Manifest {
    pub wasm: Option<PathBuf>,
    pub activation: Vec<ActivationEvent>,
    pub capabilities: Capabilities,
-    /// `[[depends]]`: plugins this one needs (API 1.5).
-    pub depends: Vec<Dependency>,
-    /// `[[extension-points]]`: what other plugins may contribute to this one (API 1.5).
-    pub extension_points: Vec<PointDecl>,
    /// `contributes.<point>` → its declarations, validated by the extension points.
    pub contributes: toml::Table,
 }
@@ -157,7 +151,6 @@ pub const EVENT_KINDS: &[&str] = &[
    "file-closed",
    "settings-changed",
    "input-mode-changed",
-    "extensions-changed",
    "file-opened",
    "file-saved",
    "files-changed",
@@ -217,10 +210,6 @@ struct Raw {
    #[serde(default)]
    permissions: Option<Vec<String>>,
    #[serde(default)]
-    depends: Vec<Dependency>,
-    #[serde(default)]
-    extension_points: Vec<PointDecl>,
-    #[serde(default)]
    contributes: toml::Table,
 }

@@ -292,8 +281,6 @@ impl Manifest {
            wasm: raw.wasm,
            activation,
            capabilities,
-            depends: raw.depends,
-            extension_points: raw.extension_points,
            contributes: raw.contributes,
        };
        m.validate()?;
@@ -351,9 +338,6 @@ impl Manifest {
            if matches!(cap, Capability::ProjectWrite | Capability::FsWrite(_)) {
                self.needs_api(&format!("capability `{cap}`"), 3)?;
            }
-            if matches!(cap, Capability::NetAsk) {
-                self.needs_api(&format!("capability `{cap}`"), 5)?;
-            }
        }
        if let Some(dark) = &self.icon_dark {
            if self.icon.is_none() {
@@ -370,9 +354,6 @@ impl Manifest {
            {
                self.needs_api(&format!("`{event}`"), 4)?;
            }
-            if matches!(event, ActivationEvent::Event(kind) if kind == "extensions-changed") {
-                self.needs_api("`on-event:extensions-changed`", 5)?;
-            }
            if matches!(event, ActivationEvent::Event(kind) if kind == "files-changed") {
                self.needs_api("`on-event:files-changed`", 3)?;
            }
@@ -383,7 +364,6 @@ impl Manifest {
        for c in &self.declared_categories {
            validate_item_id(c, "category")?;
        }
-        self.validate_relations()?;
        for (point, decls) in &self.contributes {
            validate_point_id(point)?;
            if !matches!(decls, toml::Value::Array(_) | toml::Value::Table(_)) {
@@ -393,42 +373,6 @@ impl Manifest {
        Ok(())
    }

-    /// `[[depends]]` and `[[extension-points]]`.
-    fn validate_relations(&self) -> Result<(), String> {
-        if !self.depends.is_empty() {
-            self.needs_api("`[[depends]]`", 5)?;
-        }
-        if !self.extension_points.is_empty() {
-            self.needs_api("`[[extension-points]]`", 5)?;
-        }
-        let mut required = BTreeSet::new();
-        for dep in &self.depends {
-            validate_plugin_id(&dep.id)?;
-            if dep.id == self.id {
-                return Err(format!("`depends`: {} cannot depend on itself", self.id));
-            }
-            if let Some(req) = &dep.version
-                && semver::VersionReq::parse(req).is_err()
-            {
-                return Err(format!(
-                    "`depends`: {:?} is not a version requirement like \"^1.2\" (plugin {})",
-                    req, dep.id
-                ));
-            }
-            if !required.insert(&dep.id) {
-                return Err(format!("`depends`: {} is listed twice", dep.id));
-            }
-        }
-        let mut declared = BTreeSet::new();
-        for point in &self.extension_points {
-            point.validate(&self.id)?;
-            if !declared.insert(&point.id) {
-                return Err(format!("extension point {} is declared twice", point.id));
-            }
-        }
-        Ok(())
-    }
-
    /// The declarations of one extension point: `[[contributes.x]]` gives
    /// several, `[contributes.x]` one.
    pub fn declarations(&self, point: &str) -> Vec<toml::Value> {
@@ -525,12 +469,11 @@ pub fn validate_item_id(id: &str, what: &str) -> Result<(), String> {
 }

 /// Extension point ids: `camelCase` or `kebab-case` words, dots allowed (`iconThemes`, `menus`).
-/// Points declared by plugins are `<plugin id>.<name>`, which may be longer and contain `_`.
 pub fn validate_point_id(id: &str) -> Result<(), String> {
    let ok = !id.is_empty()
-        && id.len() <= 128
+        && id.len() <= 64
        && id.starts_with(|c: char| c.is_ascii_lowercase())
-        && id.chars().all(|c| c.is_ascii_alphanumeric() || matches!(c, '-' | '.' | '_'));
+        && id.chars().all(|c| c.is_ascii_alphanumeric() || matches!(c, '-' | '.'));
    if ok { Ok(()) } else { Err(format!("invalid contribution point {id:?}")) }
 }

@@ -765,86 +708,6 @@ mod api14_tests {
    }
 }

-#[cfg(test)]
-mod relations_tests {
-    use super::*;
-
-    const HEAD: &str = "id = \"acme.app\"\nname = \"App\"\nversion = \"1.0.0\"\nengines.openidea = \"^1.5\"\n";
-
-    fn parse(rest: &str) -> Result<Manifest, String> {
-        Manifest::parse(&format!("{HEAD}{rest}"))
-    }
-
-    #[test]
-    fn parses_depends_and_extension_points() {
-        let m = parse(
-            r#"
-            [[depends]]
-            id = "acme.base"
-            version = "^0.2"
-
-            [[depends]]
-            id = "acme.extra"
-            optional = true
-
-            [[extension-points]]
-            id = "acme.app.hooks"
-            required = ["name"]
-            fields = { name = "string" }
-
-            [[contributes."acme.base.things"]]
-            name = "x"
-            "#,
-        )
-        .unwrap();
-        assert_eq!(m.depends.len(), 2);
-        assert_eq!(m.depends[0].version.as_deref(), Some("^0.2"));
-        assert!(m.depends[1].optional);
-        assert_eq!(m.extension_points[0].id, "acme.app.hooks");
-        assert_eq!(m.declarations("acme.base.things").len(), 1);
-    }
-
-    #[test]
-    fn the_new_keys_need_api_1_5() {
-        let older =
-            "id = \"acme.app\"\nname = \"App\"\nversion = \"1.0.0\"\nwasm = \"p.wasm\"\nengines.openidea = \"^1.4\"\n";
-        let err = Manifest::parse(&format!("{older}[[depends]]\nid = \"acme.base\"\n")).unwrap_err();
-        assert!(err.contains("new in plugin API 1.5"), "{err}");
-        let err = Manifest::parse(&format!("{older}[[extension-points]]\nid = \"acme.app.x\"\n")).unwrap_err();
-        assert!(err.contains("new in plugin API 1.5"), "{err}");
-        let err = Manifest::parse(&format!("{older}activation = [\"on-event:extensions-changed\"]\n")).unwrap_err();
-        assert!(err.contains("new in plugin API 1.5"), "{err}");
-        let current = older.replace("^1.4", "^1.5");
-        assert!(Manifest::parse(&format!("{current}activation = [\"on-event:extensions-changed\"]\n")).is_ok());
-    }
-
-    #[test]
-    fn refuses_bad_dependencies() {
-        assert!(parse("[[depends]]\nid = \"acme.app\"\n").unwrap_err().contains("itself"));
-        assert!(parse("[[depends]]\nid = \"Bad Id\"\n").unwrap_err().contains("invalid plugin id"));
-        assert!(
-            parse("[[depends]]\nid = \"acme.base\"\nversion = \"one\"\n").unwrap_err().contains("version requirement")
-        );
-        let twice = "[[depends]]\nid = \"acme.base\"\n[[depends]]\nid = \"acme.base\"\n";
-        assert!(parse(twice).unwrap_err().contains("listed twice"));
-        assert!(parse("[[depends]]\nid = \"acme.base\"\nunknown = 1\n").is_err());
-    }
-
-    #[test]
-    fn refuses_points_outside_the_plugins_namespace() {
-        let err = parse("[[extension-points]]\nid = \"other.thing\"\n").unwrap_err();
-        assert!(err.contains("acme.app.<name>"), "{err}");
-        let twice = "[[extension-points]]\nid = \"acme.app.x\"\n[[extension-points]]\nid = \"acme.app.x\"\n";
-        assert!(parse(twice).unwrap_err().contains("declared twice"));
-    }
-
-    #[test]
-    fn plugin_ids_with_underscores_work_as_contribution_keys() {
-        assert!(validate_point_id("my_tools.base.things").is_ok());
-        assert!(validate_point_id("Bad").is_err());
-    }
-}
-
 #[cfg(test)]
 mod commands_api_tests {
    use super::*;
@@ -855,24 +718,3 @@ mod commands_api_tests {
        assert!(Manifest::parse(&manifest.replace("^1.3", "^1.4")).is_ok());
    }
 }
-
-#[cfg(test)]
-mod net_ask_api_tests {
-    use super::*;
-    #[test]
-    fn net_ask_requires_api_1_5() {
-        for declaration in ["[capabilities]\nrequired = [\"net:ask\"]", "[capabilities]\noptional = [\"net:ask\"]"] {
-            for engine in ["^1.4", "^1.5"] {
-                let manifest = format!(
-                    "id = 'test'\nname = 'Test'\nversion = '0.1.0'\nwasm = 'plugin.wasm'\nengines.openidea = '{engine}'\n{declaration}\n"
-                );
-                let parsed = Manifest::parse(&manifest);
-                if engine == "^1.5" {
-                    parsed.unwrap();
-                } else {
-                    assert!(parsed.unwrap_err().contains("new in plugin API 1.5"), "{engine}");
-                }
-            }
-        }
-    }
-}
@@ -352,22 +352,6 @@ pub struct IndexEntry {
    /// the IDE before showing it.
    #[serde(default)]
    pub icon: Option<PluginIcon>,
-    /// Where to read more: the manifest's homepage, else the registry's source repository.
-    #[serde(default)]
-    pub homepage: Option<String>,
-    /// This version's release notes (the manifest's `change-notes`).
-    #[serde(default)]
-    pub notes: Option<String>,
-    /// Downloads of the plugin's packages, as counted by whoever serves them.
-    #[serde(default)]
-    pub downloads: Option<u64>,
-    /// Picked by the marketplace's maintainers.
-    #[serde(default)]
-    pub featured: bool,
-    /// Project-relative paths whose presence makes the plugin worth suggesting
-    /// (`pom.xml`, `config/routes.rb`).
-    #[serde(default)]
-    pub suggest: Vec<String>,
 }

 impl IndexEntry {
@@ -405,31 +389,10 @@ impl Index {
    /// revocations, publisher keys (revoked ones) and `moved` — and lists no
    /// plugins ([`Index::is_newer`]): the IDE needs updating to install from it.
    pub fn parse(text: &str) -> Result<Self, String> {
-        let (index, dropped) = Self::parse_dropping(text)?;
-        if let Some(first) = dropped.first() {
-            // One line per index, and a bounded one: whoever wrote the index chose the text.
-            let id: String = first.id.chars().take(80).collect();
-            tracing::warn!(
-                "index: {} entries are not offered, their id or version is not one a manifest may carry (first: {id:?})",
-                dropped.len()
-            );
-        }
-        Ok(index)
-    }
-
-    /// [`Index::parse`], with the entries it does not offer: those whose id or
-    /// version no manifest may carry, so no IDE could install them.
-    pub fn parse_dropping(text: &str) -> Result<(Self, Vec<IndexEntry>), String> {
        let value: serde_json::Value = serde_json::from_str(text).map_err(|e| format!("index: {e}"))?;
        let format = value.get("format").and_then(serde_json::Value::as_u64).ok_or("index: `format` is missing")?;
        if format == u64::from(INDEX_FORMAT) {
-            let mut index: Index = serde_json::from_value(value).map_err(|e| format!("index: {e}"))?;
-            // What no manifest may carry is not offered: the id and version also name files on disk.
-            let (offered, dropped) = std::mem::take(&mut index.plugins)
-                .into_iter()
-                .partition(|e| crate::validate_plugin_id(&e.id).is_ok() && e.semver().is_some());
-            index.plugins = offered;
-            return Ok((index, dropped));
+            return serde_json::from_value(value).map_err(|e| format!("index: {e}"));
        }
        if format < u64::from(INDEX_FORMAT) {
            return Err(format!("index format {format} is not supported (this IDE reads {INDEX_FORMAT})"));
@@ -438,14 +401,13 @@ impl Index {
            let items = value.get(field).and_then(serde_json::Value::as_array);
            items.into_iter().flatten().filter_map(|v| serde_json::from_value(v.clone()).ok()).collect()
        }
-        let index = Index {
+        Ok(Index {
            format: u32::try_from(format).unwrap_or(u32::MAX),
            publishers: each(&value, "publishers"),
            plugins: Vec::new(),
            revoked: each(&value, "revoked"),
            moved: value.get("moved").and_then(serde_json::Value::as_str).map(str::to_owned),
-        };
-        Ok((index, Vec::new()))
+        })
    }

    /// Written in a format newer than this IDE reads: it lists no plugins.
@@ -723,33 +685,9 @@ mod tests {
            engine: "^1.0".into(),
            categories: Vec::new(),
            icon: None,
-            homepage: None,
-            notes: None,
-            downloads: None,
-            featured: false,
-            suggest: Vec::new(),
        }
    }

-    #[test]
-    fn listing_details_are_optional() {
-        let mut json = serde_json::to_value(entry("acme.a", "acme")).unwrap();
-        for key in ["homepage", "notes", "downloads", "featured", "suggest"] {
-            json.as_object_mut().unwrap().remove(key);
-        }
-        assert_eq!(serde_json::from_value::<IndexEntry>(json).unwrap(), entry("acme.a", "acme"));
-        let full = IndexEntry {
-            homepage: Some("https://example.com".into()),
-            notes: Some("Fixes".into()),
-            downloads: Some(42),
-            featured: true,
-            suggest: vec!["pom.xml".into()],
-            ..entry("acme.a", "acme")
-        };
-        let back: IndexEntry = serde_json::from_str(&serde_json::to_string(&full).unwrap()).unwrap();
-        assert_eq!(back, full);
-    }
-
    fn version(id: &str, version: &str, engine: &str) -> IndexEntry {
        IndexEntry { version: version.into(), engine: engine.into(), ..entry(id, "acme") }
    }
@@ -930,51 +868,6 @@ mod tests {
        }
    }

-    #[test]
-    fn an_index_offers_only_the_ids_and_versions_a_manifest_may_carry() {
-        let invalid_ids = [
-            "../x",
-            "../../escape",
-            "acme/../x",
-            r"acme.\..\x",
-            "acme./../../../escape",
-            "/abs",
-            r"C:\x",
-            "ACME.x",
-            "acme.",
-            "acme..x",
-            "acme.x y",
-            "",
-        ];
-        let invalid_versions =
-            ["../1.0.0", "1.0.0/../../../escape", r"1.0.0\..\x", "1.0.0-..", " 1.0.0", "1.0", "latest", ""];
-        let valid = [("acme.x", "1.0.0"), ("acme.tools-2_b", "1.0.0-rc.1+b.2")];
-        let mut listed: Vec<(&str, &str)> = valid.to_vec();
-        listed.extend(invalid_ids.iter().map(|id| (*id, "1.0.0")));
-        listed.extend(invalid_versions.iter().map(|version| ("acme.x", *version)));
-        let plugins: Vec<serde_json::Value> = listed
-            .iter()
-            .map(|(id, version)| {
-                serde_json::json!({
-                    "id": id, "name": "X", "version": version, "publisher": "acme",
-                    "download": "x.oiplugin", "digest": "d", "engine": "^1.0",
-                })
-            })
-            .collect();
-        let text = serde_json::json!({ "format": INDEX_FORMAT, "plugins": plugins }).to_string();
-        let pairs = |entries: &[IndexEntry]| -> Vec<(String, String)> {
-            entries.iter().map(|e| (e.id.clone(), e.version.clone())).collect()
-        };
-        let owned = |pairs: &[(&str, &str)]| -> Vec<(String, String)> {
-            pairs.iter().map(|(id, version)| ((*id).to_owned(), (*version).to_owned())).collect()
-        };
-
-        assert_eq!(pairs(&Index::parse(&text).unwrap().plugins), owned(&valid));
-        let (index, dropped) = Index::parse_dropping(&text).unwrap();
-        assert_eq!(pairs(&index.plugins), owned(&valid));
-        assert_eq!(pairs(&dropped), owned(&listed[valid.len()..]));
-    }
-
    #[test]
    fn a_newer_index_still_revokes_and_moves() {
        let newer = format!(
@@ -1,192 +0,0 @@
-//! Extension points a plugin declares for other plugins to contribute to
-//! (`[[extension-points]]`), and the check of a contribution against them.
-
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::collections::BTreeMap;
-
-const MAX_FIELDS: usize = 32;
-const MAX_ID: usize = 128;
-/// Longest string a contribution may carry in one field.
-const MAX_TEXT: usize = 64 * 1024;
-const MAX_LIST: usize = 1000;
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "kebab-case")]
-pub enum FieldType {
-    String,
-    Boolean,
-    Integer,
-    Number,
-    StringList,
-}
-
-/// `[[extension-points]]`: a kind of contribution the declaring plugin's code reads.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(deny_unknown_fields)]
-pub struct PointDecl {
-    /// `<plugin id>.<name>`.
-    pub id: String,
-    #[serde(default)]
-    pub description: String,
-    /// Fields a contribution must have.
-    #[serde(default)]
-    pub required: Vec<String>,
-    /// Every field a contribution may have; a contribution with another key is refused.
-    #[serde(default)]
-    pub fields: BTreeMap<String, FieldType>,
-}
-
-impl PointDecl {
-    pub fn validate(&self, plugin_id: &str) -> Result<(), String> {
-        let prefix = format!("{plugin_id}.");
-        let name = self.id.strip_prefix(&prefix).unwrap_or("");
-        let name_ok = name.chars().next().is_some_and(|c| c.is_ascii_lowercase() || c.is_ascii_digit())
-            && name.chars().all(|c| c.is_ascii_lowercase() || c.is_ascii_digit() || matches!(c, '-' | '_' | '.'));
-        if !name_ok || self.id.len() > MAX_ID {
-            return Err(format!(
-                "invalid extension point {:?}: use \"{plugin_id}.<name>\" with a-z, 0-9, '.', '-', '_' in the name",
-                self.id
-            ));
-        }
-        if self.description.len() > 500 {
-            return Err(format!("extension point {}: `description` is longer than 500 characters", self.id));
-        }
-        if self.fields.len() > MAX_FIELDS {
-            return Err(format!("extension point {}: at most {MAX_FIELDS} fields", self.id));
-        }
-        for field in self.fields.keys() {
-            let ok = field.chars().next().is_some_and(|c| c.is_ascii_lowercase())
-                && field.chars().all(|c| c.is_ascii_alphanumeric() || matches!(c, '-' | '_'))
-                && field.len() <= 64;
-            if !ok {
-                return Err(format!("extension point {}: invalid field name {field:?}", self.id));
-            }
-        }
-        for field in &self.required {
-            if !self.fields.contains_key(field) {
-                return Err(format!("extension point {}: required field {field:?} is not in `fields`", self.id));
-            }
-        }
-        Ok(())
-    }
-
-    /// Checks one contribution and returns it as JSON for the declaring plugin's code.
-    pub fn check(&self, value: &toml::Value) -> Result<serde_json::Value, String> {
-        let toml::Value::Table(table) = value else {
-            return Err("a contribution is a table".into());
-        };
-        for key in table.keys() {
-            if !self.fields.contains_key(key) {
-                let known: Vec<&str> = self.fields.keys().map(String::as_str).collect();
-                return Err(format!("unknown field {key:?} (this extension point has: {})", known.join(", ")));
-            }
-        }
-        for key in &self.required {
-            if !table.contains_key(key) {
-                return Err(format!("missing required field {key:?}"));
-            }
-        }
-        let mut out = serde_json::Map::new();
-        for (key, value) in table {
-            out.insert(key.clone(), convert(key, self.fields[key], value)?);
-        }
-        Ok(serde_json::Value::Object(out))
-    }
-}
-
-fn convert(key: &str, ty: FieldType, value: &toml::Value) -> Result<serde_json::Value, String> {
-    use serde_json::Value as J;
-    let wrong = |expected: &str| format!("field {key:?} must be {expected}");
-    match (ty, value) {
-        (FieldType::String, toml::Value::String(s)) => text(key, s).map(J::from),
-        (FieldType::Boolean, toml::Value::Boolean(b)) => Ok(J::from(*b)),
-        (FieldType::Integer, toml::Value::Integer(i)) => Ok(J::from(*i)),
-        (FieldType::Number, toml::Value::Integer(i)) => Ok(J::from(*i)),
-        (FieldType::Number, toml::Value::Float(f)) if f.is_finite() => Ok(J::from(*f)),
-        (FieldType::StringList, toml::Value::Array(items)) => {
-            if items.len() > MAX_LIST {
-                return Err(format!("field {key:?} has more than {MAX_LIST} items"));
-            }
-            items
-                .iter()
-                .map(|item| match item {
-                    toml::Value::String(s) => text(key, s).map(J::from),
-                    _ => Err(wrong("a list of strings")),
-                })
-                .collect::<Result<Vec<_>, _>>()
-                .map(J::Array)
-        }
-        (FieldType::String, _) => Err(wrong("a string")),
-        (FieldType::Boolean, _) => Err(wrong("true or false")),
-        (FieldType::Integer, _) => Err(wrong("an integer")),
-        (FieldType::Number, _) => Err(wrong("a number")),
-        (FieldType::StringList, _) => Err(wrong("a list of strings")),
-    }
-}
-
-fn text(key: &str, s: &str) -> Result<String, String> {
-    if s.len() > MAX_TEXT {
-        return Err(format!("field {key:?} is longer than {} KiB", MAX_TEXT >> 10));
-    }
-    Ok(s.to_owned())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn decl(src: &str) -> PointDecl {
-        toml::from_str(src).unwrap()
-    }
-
-    const COMPLETIONS: &str = r#"
-        id = "acme.base.completions"
-        description = "Extra completions"
-        required = ["label"]
-        fields = { label = "string", detail = "string", weight = "integer", scopes = "string-list" }
-    "#;
-
-    #[test]
-    fn the_id_is_namespaced_by_the_declaring_plugin() {
-        assert!(decl(COMPLETIONS).validate("acme.base").is_ok());
-        let err = decl(COMPLETIONS).validate("acme.other").unwrap_err();
-        assert!(err.contains("acme.other.<name>"), "{err}");
-        assert!(decl("id = \"acme.base.\"").validate("acme.base").is_err());
-        assert!(decl("id = \"acme.base.Bad Name\"").validate("acme.base").is_err());
-    }
-
-    #[test]
-    fn required_fields_must_be_declared() {
-        let err = decl("id = \"p.x\"\nrequired = [\"a\"]").validate("p").unwrap_err();
-        assert!(err.contains("required field \"a\""), "{err}");
-    }
-
-    #[test]
-    fn checks_a_contribution_and_converts_it_to_json() {
-        let point = decl(COMPLETIONS);
-        let contribution: toml::Value =
-            toml::from_str("label = \"ew.x\"\nweight = 3\nscopes = [\"xml\", \"java\"]").unwrap();
-        let json = point.check(&contribution).unwrap();
-        assert_eq!(json, serde_json::json!({"label": "ew.x", "weight": 3, "scopes": ["xml", "java"]}));
-    }
-
-    #[test]
-    fn refuses_what_the_point_does_not_declare() {
-        let point = decl(COMPLETIONS);
-        let check = |src: &str| point.check(&toml::from_str::<toml::Value>(src).unwrap()).unwrap_err();
-        assert!(check("detail = \"x\"").contains("missing required field \"label\""));
-        let err = check("label = \"a\"\nextra = 1");
-        assert!(err.contains("unknown field \"extra\"") && err.contains("label"), "{err}");
-        assert!(check("label = 1").contains("must be a string"));
-        assert!(check("label = \"a\"\nweight = \"3\"").contains("must be an integer"));
-        assert!(check("label = \"a\"\nscopes = [1]").contains("list of strings"));
-    }
-
-    #[test]
-    fn numbers_take_integers_and_floats() {
-        let point = decl("id = \"p.x\"\nfields = { ratio = \"number\" }");
-        assert!(point.check(&toml::from_str::<toml::Value>("ratio = 2").unwrap()).is_ok());
-        assert!(point.check(&toml::from_str::<toml::Value>("ratio = 0.5").unwrap()).is_ok());
-    }
-}
@@ -1,7 +1,6 @@
 //! Extension points plus the contributions committed to them, accounted per plugin.

 use crate::capability::Capability;
-use crate::plugin_point::PointDecl;
 use crate::point::{Disposable, ExtensionPoint, Package, Placement, Prepared};
 use parking_lot::{Mutex, RwLock};
 use serde::{Deserialize, Serialize};
@@ -24,7 +23,7 @@ pub struct ContributionInfo {
 }

 struct Entry {
-    point: String,
+    point: &'static str,
    key: Option<String>,
    label: String,
    disposable: Disposable,
@@ -39,7 +38,7 @@ pub struct PreparedSet {
    pub files: Vec<PathBuf>,
    /// Declarations for extension points this host does not know (skipped).
    pub warnings: Vec<String>,
-    items: Vec<(String, Prepared)>,
+    items: Vec<(&'static str, Prepared)>,
 }

 impl PreparedSet {
@@ -62,41 +61,11 @@ impl std::fmt::Debug for PreparedSet {
    }
 }

-/// What one plugin contributed to an extension point another plugin declared.
-#[derive(Clone, Debug, PartialEq)]
-pub struct Contribution {
-    /// The contributing plugin.
-    pub plugin: String,
-    /// The declaration as JSON, checked against the point's fields.
-    pub data: serde_json::Value,
-}
-
-/// An extension point a plugin declared, with who contributes to it.
-#[derive(Clone, Debug, PartialEq)]
-pub struct DeclaredPoint {
-    pub owner: String,
-    pub decl: PointDecl,
-    /// Plugin ids, in commit order, once each.
-    pub contributors: Vec<String>,
-}
-
-#[derive(Default)]
-struct Dynamic {
-    points: BTreeMap<String, (String, PointDecl)>,
-    contributions: BTreeMap<String, Vec<Contribution>>,
-}
-
-/// Called with (point id, owner plugin) after contributions to a declared point changed.
-pub type ChangeListener = Arc<dyn Fn(&str, &str) + Send + Sync>;
-
 #[derive(Default)]
 pub struct ExtensionRegistry {
    points: RwLock<BTreeMap<&'static str, Arc<dyn ExtensionPoint>>>,
    /// plugin id → its contributions in commit order.
    entries: Mutex<BTreeMap<String, Vec<Entry>>>,
-    /// Points declared by plugins and what was contributed to them.
-    dynamic: Arc<Mutex<Dynamic>>,
-    listener: Arc<RwLock<Option<ChangeListener>>>,
 }

 impl ExtensionRegistry {
@@ -128,111 +97,6 @@ impl ExtensionRegistry {
        self.points.read().get(id).cloned()
    }

-    /// Registers the function told when contributions to a plugin-declared point change.
-    pub fn set_change_listener(&self, listener: ChangeListener) {
-        *self.listener.write() = Some(listener);
-    }
-
-    /// The plugin that declared `point`, while it is committed.
-    pub fn point_owner(&self, point: &str) -> Option<String> {
-        self.dynamic.lock().points.get(point).map(|(owner, _)| owner.clone())
-    }
-
-    /// What plugins contributed to `point`, in commit order. Empty unless a plugin declares it.
-    pub fn contributions_to(&self, point: &str) -> Vec<Contribution> {
-        let dynamic = self.dynamic.lock();
-        if !dynamic.points.contains_key(point) {
-            return Vec::new();
-        }
-        dynamic.contributions.get(point).cloned().unwrap_or_default()
-    }
-
-    /// The points `owner` declared, with their contributors.
-    pub fn declared_points(&self, owner: &str) -> Vec<DeclaredPoint> {
-        let dynamic = self.dynamic.lock();
-        dynamic
-            .points
-            .iter()
-            .filter(|(_, (o, _))| o == owner)
-            .map(|(id, (owner, decl))| {
-                let mut contributors: Vec<String> = Vec::new();
-                for c in dynamic.contributions.get(id).into_iter().flatten() {
-                    if !contributors.contains(&c.plugin) {
-                        contributors.push(c.plugin.clone());
-                    }
-                }
-                DeclaredPoint { owner: owner.clone(), decl: decl.clone(), contributors }
-            })
-            .collect()
-    }
-
-    /// Makes `pkg`'s `[[extension-points]]` known: they take effect with the set's commit.
-    fn prepare_declarations(&self, pkg: &Package) -> Vec<(String, Prepared)> {
-        pkg.manifest
-            .extension_points
-            .iter()
-            .map(|decl| {
-                let (dynamic, owner, decl) = (self.dynamic.clone(), pkg.id().to_owned(), decl.clone());
-                let id = decl.id.clone();
-                let prepared = Prepared::new(format!("Extension point {id}"), move || {
-                    let id = decl.id.clone();
-                    dynamic.lock().points.insert(id.clone(), (owner.clone(), decl));
-                    Ok(Disposable::new(move || {
-                        dynamic.lock().points.remove(&id);
-                    }))
-                })
-                .key(format!("extension-point:{id}"));
-                (id, prepared)
-            })
-            .collect()
-    }
-
-    /// Validates `pkg`'s contributions to a point some plugin declares, or `None`
-    /// when no plugin declares `point` (the caller then skips it as unknown).
-    fn prepare_contributions(&self, pkg: &Package, point: &str) -> Option<Result<Vec<Prepared>, String>> {
-        let declared = self.dynamic.lock().points.get(point).cloned();
-        let own =
-            pkg.manifest.extension_points.iter().find(|d| d.id == point).map(|d| (pkg.id().to_owned(), d.clone()));
-        let (owner, decl) = declared.or(own)?;
-        if owner != pkg.id() && !pkg.manifest.depends.iter().any(|d| d.id == owner) {
-            return Some(Err(format!("{point} is declared by {owner}: add it to [[depends]]")));
-        }
-        let listener = self.listener.clone();
-        let result = pkg
-            .manifest
-            .declarations(point)
-            .into_iter()
-            .enumerate()
-            .map(|(i, value)| {
-                let data = decl.check(&value).map_err(|e| format!("contributions[{i}]: {e}"))?;
-                let label = decl
-                    .required
-                    .first()
-                    .and_then(|field| data.get(field))
-                    .and_then(|v| v.as_str())
-                    .map_or_else(|| point.to_owned(), str::to_owned);
-                let contribution = Contribution { plugin: pkg.id().to_owned(), data };
-                let (dynamic, listener, point) = (self.dynamic.clone(), listener.clone(), point.to_owned());
-                Ok(Prepared::new(label, move || {
-                    dynamic.lock().contributions.entry(point.clone()).or_default().push(contribution.clone());
-                    notify(&dynamic, &listener, &point);
-                    Ok(Disposable::new(move || {
-                        {
-                            let mut guard = dynamic.lock();
-                            if let Some(list) = guard.contributions.get_mut(&point)
-                                && let Some(pos) = list.iter().position(|c| *c == contribution)
-                            {
-                                list.remove(pos);
-                            }
-                        }
-                        notify(&dynamic, &listener, &point);
-                    }))
-                }))
-            })
-            .collect();
-        Some(result)
-    }
-
    /// Validates every `contributes.<point>` declaration of `pkg`. Fails as a
    /// whole on the first invalid declaration; unknown points are skipped with
    /// a warning (forward compatibility).
@@ -244,24 +108,9 @@ impl ExtensionRegistry {
            warnings: Vec::new(),
            items: Vec::new(),
        };
-        // Declared points first: contributions to them (the plugin's own too) commit after.
-        set.items.extend(self.prepare_declarations(pkg));
        for point_id in pkg.manifest.contributes.keys() {
            let Some(point) = self.point(point_id) else {
-                if let Some(result) = self.prepare_contributions(pkg, point_id) {
-                    let prepared = result.map_err(|e| format!("contributes.{point_id}: {e}"))?;
-                    set.items.extend(prepared.into_iter().map(|p| (point_id.clone(), p)));
-                    continue;
-                }
-                // Point ids are `<owner id>.<name>`, so the dependency that owns it can be named.
-                let owner =
-                    pkg.manifest.depends.iter().find(|d| point_id.strip_prefix(&format!("{}.", d.id)).is_some());
-                let msg = match owner {
-                    Some(owner) => {
-                        format!("contributes.{point_id}: {} is not running, so this is skipped until it is", owner.id)
-                    }
-                    None => format!("contributes.{point_id}: not supported by this version of the IDE; skipped"),
-                };
+                let msg = format!("contributes.{point_id}: not supported by this version of the IDE; skipped");
                tracing::warn!(plugin = %pkg.id(), "{msg}");
                set.warnings.push(msg);
                continue;
@@ -280,7 +129,7 @@ impl ExtensionRegistry {
                        set.files.push(f.clone());
                    }
                }
-                set.items.push((point.id().to_owned(), prepared));
+                set.items.push((point.id(), prepared));
            }
        }
        if let Some(point) = self.point(LOCALES_POINT)
@@ -295,7 +144,7 @@ impl ExtensionRegistry {
                    set.files.push(f.clone());
                }
            }
-            set.items.push((point.id().to_owned(), prepared));
+            set.items.push((point.id(), prepared));
        }
        Ok(set)
    }
@@ -352,7 +201,7 @@ impl ExtensionRegistry {
            .lock()
            .get(plugin)
            .map(|list| {
-                list.iter().map(|e| ContributionInfo { point: e.point.clone(), label: e.label.clone() }).collect()
+                list.iter().map(|e| ContributionInfo { point: e.point.into(), label: e.label.clone() }).collect()
            })
            .unwrap_or_default()
    }
@@ -368,14 +217,6 @@ impl ExtensionRegistry {
    }
 }

-fn notify(dynamic: &Mutex<Dynamic>, listener: &RwLock<Option<ChangeListener>>, point: &str) {
-    let owner = dynamic.lock().points.get(point).map(|(owner, _)| owner.clone());
-    let callback = listener.read().clone();
-    if let (Some(owner), Some(callback)) = (owner, callback) {
-        callback(point, &owner);
-    }
-}
-
 fn strip_prefix<'a>(e: &'a str, point: &str) -> &'a str {
    e.strip_prefix(&format!("contributes.{point}: ")).unwrap_or(e)
 }
@@ -469,122 +310,6 @@ mod tests {
        assert!(reg.contributions("p").is_empty());
    }

-    fn pkg_of(id: &str, body: &str) -> Package {
-        let src = format!("id = \"{id}\"\nname = \"N\"\nversion = \"1.0.0\"\nengines.openidea = \"^1.5\"\n{body}");
-        Package::new(Manifest::parse(&src).unwrap(), PathBuf::from("/nonexistent"))
-    }
-
-    const BASE: &str = r#"
-        [[extension-points]]
-        id = "acme.base.things"
-        required = ["name"]
-        fields = { name = "string", weight = "integer" }
-    "#;
-    const PLUGIN: &str =
-        "[[depends]]\nid = \"acme.base\"\n\n[[contributes.\"acme.base.things\"]]\nname = \"a\"\nweight = 2\n";
-
-    fn commit(reg: &ExtensionRegistry, pkg: &Package) {
-        reg.commit(reg.prepare(pkg).unwrap()).unwrap();
-    }
-
-    #[test]
-    fn a_plugin_declares_a_point_and_a_dependent_contributes_to_it() {
-        let reg = ExtensionRegistry::new();
-        commit(&reg, &pkg_of("acme.base", BASE));
-        assert_eq!(reg.point_owner("acme.base.things").as_deref(), Some("acme.base"));
-        assert!(reg.contributions_to("acme.base.things").is_empty());
-
-        commit(&reg, &pkg_of("acme.more", PLUGIN));
-        let got = reg.contributions_to("acme.base.things");
-        assert_eq!(got.len(), 1);
-        assert_eq!(got[0].plugin, "acme.more");
-        assert_eq!(got[0].data, serde_json::json!({"name": "a", "weight": 2}));
-        assert_eq!(
-            reg.contributions("acme.more")[0],
-            ContributionInfo { point: "acme.base.things".into(), label: "a".into() }
-        );
-        let declared = reg.declared_points("acme.base");
-        assert_eq!(declared.len(), 1);
-        assert_eq!(declared[0].contributors, ["acme.more"]);
-
-        assert!(reg.dispose_plugin("acme.more"));
-        assert!(reg.contributions_to("acme.base.things").is_empty());
-        assert!(reg.dispose_plugin("acme.base"));
-        assert_eq!(reg.point_owner("acme.base.things"), None);
-    }
-
-    #[test]
-    fn contributions_disappear_from_view_while_the_owner_is_gone() {
-        let reg = ExtensionRegistry::new();
-        commit(&reg, &pkg_of("acme.base", BASE));
-        commit(&reg, &pkg_of("acme.more", PLUGIN));
-        reg.dispose_plugin("acme.base");
-        assert!(reg.contributions_to("acme.base.things").is_empty(), "nobody may read a point that is not declared");
-        commit(&reg, &pkg_of("acme.base", BASE));
-        assert_eq!(reg.contributions_to("acme.base.things").len(), 1, "back with the owner");
-    }
-
-    #[test]
-    fn contributing_needs_a_dependency_on_the_owner() {
-        let reg = ExtensionRegistry::new();
-        commit(&reg, &pkg_of("acme.base", BASE));
-        let err =
-            reg.prepare(&pkg_of("acme.rogue", "[[contributes.\"acme.base.things\"]]\nname = \"x\"\n")).unwrap_err();
-        assert!(err.contains("acme.base") && err.contains("[[depends]]"), "{err}");
-    }
-
-    #[test]
-    fn a_contribution_is_checked_against_the_declared_fields() {
-        let reg = ExtensionRegistry::new();
-        commit(&reg, &pkg_of("acme.base", BASE));
-        let bad = "[[depends]]\nid = \"acme.base\"\n[[contributes.\"acme.base.things\"]]\nweight = 1\n";
-        let err = reg.prepare(&pkg_of("acme.more", bad)).unwrap_err();
-        assert_eq!(err, "contributes.acme.base.things: contributions[0]: missing required field \"name\"");
-    }
-
-    #[test]
-    fn a_point_nobody_declares_is_skipped_with_a_warning() {
-        let reg = ExtensionRegistry::new();
-        let set = reg.prepare(&pkg_of("acme.more", PLUGIN)).unwrap();
-        assert!(set.is_empty());
-        assert!(set.warnings[0].contains("acme.base.things"), "{:?}", set.warnings);
-    }
-
-    #[test]
-    fn a_missing_owner_is_named_instead_of_blaming_the_ide_version() {
-        let reg = ExtensionRegistry::new();
-        let set = reg.prepare(&pkg_of("acme.more", PLUGIN)).unwrap();
-        let warning = &set.warnings[0];
-        assert!(warning.contains("acme.base") && warning.contains("not running"), "{warning}");
-        assert!(!warning.contains("this version of the IDE"), "{warning}");
-
-        let unrelated = "[[contributes.\"acme.nobody.things\"]]\nname = \"x\"\n";
-        let set = reg.prepare(&pkg_of("acme.more", unrelated)).unwrap();
-        assert!(set.warnings[0].contains("this version of the IDE"), "{:?}", set.warnings);
-    }
-
-    #[test]
-    fn a_plugin_may_contribute_to_its_own_point() {
-        let reg = ExtensionRegistry::new();
-        let own = format!("{BASE}\n[[contributes.\"acme.base.things\"]]\nname = \"builtin\"\n");
-        commit(&reg, &pkg_of("acme.base", &own));
-        assert_eq!(reg.contributions_to("acme.base.things")[0].data["name"], "builtin");
-    }
-
-    #[test]
-    fn the_owner_hears_about_changes_to_its_point() {
-        let reg = ExtensionRegistry::new();
-        let heard: Arc<Mutex<Vec<(String, String)>>> = Arc::default();
-        let sink = heard.clone();
-        reg.set_change_listener(Arc::new(move |point, owner| sink.lock().push((point.into(), owner.into()))));
-        commit(&reg, &pkg_of("acme.base", BASE));
-        assert!(heard.lock().is_empty(), "declaring is not a contribution");
-        commit(&reg, &pkg_of("acme.more", PLUGIN));
-        reg.dispose_plugin("acme.more");
-        let expected = ("acme.base.things".to_owned(), "acme.base".to_owned());
-        assert_eq!(*heard.lock(), [expected.clone(), expected]);
-    }
-
    #[test]
    fn invalid_declarations_fail_prepare_and_unknown_points_warn() {
        let (reg, _) = setup();
@@ -1,433 +0,0 @@
-//! Which plugins can run, and in which order, given what they depend on.
-
-use semver::{Version, VersionReq};
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::collections::{BTreeMap, BTreeSet};
-use std::fmt;
-
-/// `[[depends]]` of a manifest.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(deny_unknown_fields)]
-pub struct Dependency {
-    pub id: String,
-    /// Semver requirement on the dependency's version; none accepts any.
-    #[serde(default)]
-    pub version: Option<String>,
-    /// The plugin runs without it; when present it starts first.
-    #[serde(default)]
-    pub optional: bool,
-}
-
-impl Dependency {
-    /// `acme.base ^1.0`.
-    pub fn describe(&self) -> String {
-        match &self.version {
-            Some(v) => format!("{} {v}", self.id),
-            None => self.id.clone(),
-        }
-    }
-}
-
-/// A plugin as the resolver sees it.
-#[derive(Clone, Copy, Debug)]
-pub struct Node<'a> {
-    pub id: &'a str,
-    pub version: &'a str,
-    pub depends: &'a [Dependency],
-    /// Not switched off by the user.
-    pub enabled: bool,
-}
-
-/// Why an enabled plugin cannot run.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase", tag = "kind")]
-pub enum Blocked {
-    /// A required plugin is not installed.
-    Missing { requirement: String },
-    /// A required plugin is switched off.
-    Disabled { id: String },
-    /// A required plugin is installed in a version that does not satisfy the requirement.
-    Version { requirement: String, found: String },
-    /// A required plugin cannot run itself.
-    Dependency { id: String },
-    /// The plugin is part of a dependency cycle (`a → b → a`).
-    Cycle { ring: Vec<String> },
-}
-
-impl fmt::Display for Blocked {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Self::Missing { requirement } => write!(f, "Requires {requirement}, which is not installed"),
-            Self::Disabled { id } => write!(f, "Requires {id}, which is disabled"),
-            Self::Version { requirement, found } => {
-                write!(f, "Requires {requirement}, but version {found} is installed")
-            }
-            Self::Dependency { id } => write!(f, "Requires {id}, which cannot run"),
-            Self::Cycle { ring } => write!(f, "Part of a dependency cycle: {}", ring.join(" → ")),
-        }
-    }
-}
-
-#[derive(Clone, Debug, Default, PartialEq, Eq)]
-pub struct Plan {
-    /// Plugins that can run, every plugin after the plugins it depends on.
-    pub order: Vec<String>,
-    /// Enabled plugins that cannot run. Disabled plugins are in neither list.
-    pub blocked: BTreeMap<String, Blocked>,
-}
-
-/// Decides, for every enabled plugin, whether its required plugins allow it to
-/// run and the order to start them in (the counterpart of IntelliJ's
-/// `PluginSetBuilder`: dependency graph, topological order, cycle report).
-pub fn plan(nodes: &[Node<'_>]) -> Plan {
-    let by_id: BTreeMap<&str, &Node<'_>> = nodes.iter().map(|n| (n.id, n)).collect();
-    let enabled: Vec<&Node<'_>> = by_id.values().copied().filter(|n| n.enabled).collect();
-    let mut blocked: BTreeMap<String, Blocked> = BTreeMap::new();
-
-    for node in &enabled {
-        for dep in node.depends.iter().filter(|d| !d.optional) {
-            if let Some(reason) = direct_reason(dep, by_id.get(dep.id.as_str()).copied()) {
-                blocked.entry(node.id.to_owned()).or_insert(reason);
-            }
-        }
-    }
-
-    // Cycles among plugins whose requirements are otherwise present.
-    let candidates: BTreeSet<&str> = enabled.iter().map(|n| n.id).filter(|id| !blocked.contains_key(*id)).collect();
-    let graph: Graph<'_> = candidates
-        .iter()
-        .map(|id| {
-            let deps = by_id[id].depends.iter().filter(|d| !d.optional).map(|d| d.id.as_str());
-            (*id, deps.filter(|d| candidates.contains(d)).collect())
-        })
-        .collect();
-    for component in components(&graph) {
-        let cyclic = component.len() > 1 || graph[component[0]].contains(&component[0]);
-        if cyclic {
-            let ring = ring_of(&component, &graph);
-            for id in component {
-                blocked.insert(id.to_owned(), Blocked::Cycle { ring: ring.clone() });
-            }
-        }
-    }
-
-    // A plugin that needs a blocked plugin is blocked too.
-    loop {
-        let mut changed = false;
-        for node in &enabled {
-            if blocked.contains_key(node.id) {
-                continue;
-            }
-            if let Some(dep) = node.depends.iter().find(|d| !d.optional && blocked.contains_key(&d.id)) {
-                blocked.insert(node.id.to_owned(), Blocked::Dependency { id: dep.id.clone() });
-                changed = true;
-            }
-        }
-        if !changed {
-            break;
-        }
-    }
-
-    let runnable: BTreeSet<&str> = enabled.iter().map(|n| n.id).filter(|id| !blocked.contains_key(*id)).collect();
-    Plan { order: topological(&runnable, &by_id), blocked }
-}
-
-/// Plugins that need `id`, directly or through other plugins, whether or not
-/// they are enabled. Optional dependencies do not count.
-pub fn dependents(nodes: &[Node<'_>], id: &str) -> Vec<String> {
-    let mut found: BTreeSet<String> = BTreeSet::new();
-    let mut frontier = vec![id.to_owned()];
-    while let Some(current) = frontier.pop() {
-        for node in nodes {
-            if node.depends.iter().any(|d| !d.optional && d.id == current) && found.insert(node.id.to_owned()) {
-                frontier.push(node.id.to_owned());
-            }
-        }
-    }
-    found.remove(id);
-    found.into_iter().collect()
-}
-
-/// How one dependency stands right now, for the plugin details page.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum DependencyState {
-    Satisfied,
-    Missing,
-    Disabled,
-    /// Installed, wrong version.
-    Version,
-    /// Installed and enabled, but cannot run itself.
-    Blocked,
-}
-
-pub fn dependency_state(dep: &Dependency, found: Option<&Node<'_>>, found_blocked: bool) -> DependencyState {
-    match direct_reason(dep, found) {
-        Some(Blocked::Missing { .. }) => DependencyState::Missing,
-        Some(Blocked::Disabled { .. }) => DependencyState::Disabled,
-        Some(Blocked::Version { .. }) => DependencyState::Version,
-        _ if found_blocked => DependencyState::Blocked,
-        _ => DependencyState::Satisfied,
-    }
-}
-
-fn direct_reason(dep: &Dependency, found: Option<&Node<'_>>) -> Option<Blocked> {
-    let Some(target) = found else {
-        return Some(Blocked::Missing { requirement: dep.describe() });
-    };
-    if !target.enabled {
-        return Some(Blocked::Disabled { id: dep.id.clone() });
-    }
-    let want = dep.version.as_deref()?;
-    let satisfied = VersionReq::parse(want)
-        .ok()
-        .zip(Version::parse(target.version).ok())
-        .is_some_and(|(req, have)| req.matches(&have));
-    (!satisfied).then(|| Blocked::Version { requirement: dep.describe(), found: target.version.to_owned() })
-}
-
-/// Plugin id → the plugin ids it requires.
-type Graph<'a> = BTreeMap<&'a str, Vec<&'a str>>;
-
-/// Strongly connected components (Tarjan) of `graph`.
-fn components<'a>(graph: &Graph<'a>) -> Vec<Vec<&'a str>> {
-    struct State<'a, 'g> {
-        index: usize,
-        stack: Vec<&'a str>,
-        info: BTreeMap<&'a str, (usize, usize, bool)>,
-        out: Vec<Vec<&'a str>>,
-        graph: &'g Graph<'a>,
-    }
-    fn visit<'a>(s: &mut State<'a, '_>, v: &'a str) {
-        s.info.insert(v, (s.index, s.index, true));
-        s.index += 1;
-        s.stack.push(v);
-        for &w in &s.graph[v] {
-            match s.info.get(w).copied() {
-                None => {
-                    visit(s, w);
-                    let low = s.info[w].1;
-                    let entry = s.info.get_mut(v).expect("visited");
-                    entry.1 = entry.1.min(low);
-                }
-                Some((index, _, true)) => {
-                    let entry = s.info.get_mut(v).expect("visited");
-                    entry.1 = entry.1.min(index);
-                }
-                Some(_) => {}
-            }
-        }
-        let (index, low, _) = s.info[v];
-        if index == low {
-            let mut component = Vec::new();
-            while let Some(w) = s.stack.pop() {
-                s.info.get_mut(w).expect("visited").2 = false;
-                component.push(w);
-                if w == v {
-                    break;
-                }
-            }
-            component.sort_unstable();
-            s.out.push(component);
-        }
-    }
-    let mut state = State { index: 0, stack: Vec::new(), info: BTreeMap::new(), out: Vec::new(), graph };
-    for &id in graph.keys() {
-        if !state.info.contains_key(id) {
-            visit(&mut state, id);
-        }
-    }
-    state.out
-}
-
-/// One cycle through `component`, from its smallest id back to it.
-fn ring_of(component: &[&str], graph: &Graph<'_>) -> Vec<String> {
-    let start = component[0];
-    let mut ring = vec![start.to_owned()];
-    let mut current = start;
-    let mut seen: BTreeSet<&str> = BTreeSet::from([start]);
-    loop {
-        let mut next: Vec<&str> = graph[current].iter().copied().filter(|d| component.contains(d)).collect();
-        next.sort_unstable();
-        // Prefer closing the ring; otherwise take the smallest unseen member.
-        let step =
-            if next.contains(&start) { start } else { *next.iter().find(|d| !seen.contains(**d)).unwrap_or(&start) };
-        ring.push(step.to_owned());
-        if step == start {
-            return ring;
-        }
-        seen.insert(step);
-        current = step;
-    }
-}
-
-/// Kahn's algorithm over the runnable plugins; ties break by id. Optional
-/// dependencies order too, but never block: leftovers (an optional edge
-/// closing a loop) are appended by id.
-fn topological(runnable: &BTreeSet<&str>, by_id: &BTreeMap<&str, &Node<'_>>) -> Vec<String> {
-    let mut waiting: BTreeMap<&str, BTreeSet<&str>> = runnable
-        .iter()
-        .map(|id| {
-            let deps = by_id[id].depends.iter().map(|d| d.id.as_str()).filter(|d| runnable.contains(d) && d != id);
-            (*id, deps.collect())
-        })
-        .collect();
-    let mut order: Vec<String> = Vec::with_capacity(runnable.len());
-    while let Some(next) = waiting.iter().find(|(_, deps)| deps.is_empty()).map(|(id, _)| *id) {
-        waiting.remove(next);
-        for deps in waiting.values_mut() {
-            deps.remove(next);
-        }
-        order.push(next.to_owned());
-    }
-    order.extend(waiting.keys().map(|id| (*id).to_owned()));
-    order
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn dep(id: &str) -> Dependency {
-        Dependency { id: id.into(), version: None, optional: false }
-    }
-
-    fn dep_v(id: &str, version: &str) -> Dependency {
-        Dependency { id: id.into(), version: Some(version.into()), optional: false }
-    }
-
-    fn optional(id: &str) -> Dependency {
-        Dependency { id: id.into(), version: None, optional: true }
-    }
-
-    fn node<'a>(id: &'a str, depends: &'a [Dependency]) -> Node<'a> {
-        Node { id, version: "1.0.0", depends, enabled: true }
-    }
-
-    #[test]
-    fn dependencies_start_first_whatever_the_ids_sort_like() {
-        let (a, z) = ([dep("z.base")], []);
-        let plan = plan(&[node("a.app", &a), node("z.base", &z)]);
-        assert_eq!(plan.order, ["z.base", "a.app"]);
-        assert!(plan.blocked.is_empty());
-    }
-
-    #[test]
-    fn independent_plugins_keep_id_order() {
-        let plan = plan(&[node("b", &[]), node("a", &[]), node("c", &[])]);
-        assert_eq!(plan.order, ["a", "b", "c"]);
-    }
-
-    #[test]
-    fn a_missing_requirement_blocks_with_the_requirement_text() {
-        let needs = [dep_v("acme.base", "^1.0")];
-        let plan = plan(&[node("acme.app", &needs)]);
-        assert!(plan.order.is_empty());
-        assert_eq!(plan.blocked["acme.app"], Blocked::Missing { requirement: "acme.base ^1.0".into() });
-        assert_eq!(plan.blocked["acme.app"].to_string(), "Requires acme.base ^1.0, which is not installed");
-    }
-
-    #[test]
-    fn a_disabled_requirement_blocks_but_the_disabled_plugin_itself_is_not_blocked() {
-        let needs = [dep("acme.base")];
-        let mut base = node("acme.base", &[]);
-        base.enabled = false;
-        let plan = plan(&[base, node("acme.app", &needs)]);
-        assert_eq!(plan.blocked["acme.app"], Blocked::Disabled { id: "acme.base".into() });
-        assert!(!plan.blocked.contains_key("acme.base"));
-        assert!(plan.order.is_empty());
-    }
-
-    #[test]
-    fn the_installed_version_must_satisfy_the_requirement() {
-        let needs = [dep_v("acme.base", "^0.2")];
-        let mut base = node("acme.base", &[]);
-        base.version = "0.3.0";
-        let plan_bad = plan(&[base, node("acme.app", &needs)]);
-        assert_eq!(
-            plan_bad.blocked["acme.app"],
-            Blocked::Version { requirement: "acme.base ^0.2".into(), found: "0.3.0".into() }
-        );
-        assert_eq!(plan_bad.blocked["acme.app"].to_string(), "Requires acme.base ^0.2, but version 0.3.0 is installed");
-
-        base.version = "0.2.7";
-        let plan_ok = plan(&[base, node("acme.app", &needs)]);
-        assert!(plan_ok.blocked.is_empty());
-        assert_eq!(plan_ok.order, ["acme.base", "acme.app"]);
-    }
-
-    #[test]
-    fn blocking_propagates_to_everything_downstream() {
-        let (b, c) = ([dep("a")], [dep("b")]);
-        let plan = plan(&[node("b", &b), node("c", &c)]);
-        assert_eq!(plan.blocked["b"], Blocked::Missing { requirement: "a".into() });
-        assert_eq!(plan.blocked["c"], Blocked::Dependency { id: "b".into() });
-        assert!(plan.order.is_empty());
-    }
-
-    #[test]
-    fn an_optional_requirement_never_blocks_but_orders_when_present() {
-        let app = [optional("acme.extra")];
-        let alone = plan(&[node("acme.app", &app)]);
-        assert_eq!(alone.order, ["acme.app"]);
-        assert!(alone.blocked.is_empty());
-
-        let with = plan(&[node("acme.app", &app), node("acme.extra", &[])]);
-        assert_eq!(with.order, ["acme.extra", "acme.app"]);
-
-        let mut off = node("acme.extra", &[]);
-        off.enabled = false;
-        let disabled = plan(&[node("acme.app", &app), off]);
-        assert_eq!(disabled.order, ["acme.app"]);
-        assert!(disabled.blocked.is_empty());
-    }
-
-    #[test]
-    fn a_cycle_blocks_its_members_and_names_the_ring() {
-        let (a, b, d) = ([dep("b")], [dep("a")], [dep("a")]);
-        let plan = plan(&[node("a", &a), node("b", &b), node("d", &d)]);
-        let ring = Blocked::Cycle { ring: vec!["a".into(), "b".into(), "a".into()] };
-        assert_eq!(plan.blocked["a"], ring);
-        assert_eq!(plan.blocked["b"], ring);
-        assert_eq!(ring.to_string(), "Part of a dependency cycle: a → b → a");
-        assert_eq!(plan.blocked["d"], Blocked::Dependency { id: "a".into() });
-        assert!(plan.order.is_empty());
-    }
-
-    #[test]
-    fn a_plugin_requiring_itself_is_a_cycle() {
-        let a = [dep("a")];
-        let plan = plan(&[node("a", &a)]);
-        assert_eq!(plan.blocked["a"], Blocked::Cycle { ring: vec!["a".into(), "a".into()] });
-    }
-
-    #[test]
-    fn an_optional_loop_does_not_block_and_still_yields_every_plugin() {
-        let (a, b) = ([optional("b")], [optional("a")]);
-        let plan = plan(&[node("a", &a), node("b", &b)]);
-        assert!(plan.blocked.is_empty());
-        assert_eq!(plan.order.len(), 2);
-    }
-
-    #[test]
-    fn dependents_are_transitive_and_ignore_optional_edges() {
-        let (b, c, d) = ([dep("a")], [dep("b")], [optional("a")]);
-        let nodes = [node("a", &[]), node("b", &b), node("c", &c), node("d", &d)];
-        assert_eq!(dependents(&nodes, "a"), ["b", "c"]);
-        assert_eq!(dependents(&nodes, "c"), Vec::<String>::new());
-    }
-
-    #[test]
-    fn dependency_state_tells_the_details_page_what_to_say() {
-        let want = dep_v("base", "^1.0");
-        assert_eq!(dependency_state(&want, None, false), DependencyState::Missing);
-        let mut base = node("base", &[]);
-        assert_eq!(dependency_state(&want, Some(&base), false), DependencyState::Satisfied);
-        assert_eq!(dependency_state(&want, Some(&base), true), DependencyState::Blocked);
-        base.version = "2.0.0";
-        assert_eq!(dependency_state(&want, Some(&base), false), DependencyState::Version);
-        base.enabled = false;
-        assert_eq!(dependency_state(&want, Some(&base), false), DependencyState::Disabled);
-    }
-}
@@ -102,14 +102,6 @@ fn parse<T>(r: serde_json::Result<T>) -> IdeResult<T> {
    r.map_err(|e| IdeError::new(ide_core::error::ErrorKind::Protocol, format!("unexpected gh output: {e}")))
 }

-/// The repository of `root`, free to execute: the host runs the `gh_*` commands only in a
-/// trusted project.
-fn trusted_repo(root: &Path) -> IdeResult<Repo> {
-    let repo = Repo::discover(root)?.ok_or_else(|| IdeError::invalid("not a git repository"))?;
-    repo.set_execution_allowed(true);
-    Ok(repo)
-}
-
 /// Whether gh is installed and signed in, and which GitHub repository `root` maps to.
 pub fn availability(root: &Path) -> GhAvailability {
    if gh_executable().is_none() {
@@ -241,7 +233,7 @@ pub fn create(
        return Err(IdeError::invalid("choose a base branch"));
    }
    if req.push {
-        let repo = trusted_repo(root)?;
+        let repo = Repo::discover(root)?.ok_or_else(|| IdeError::invalid("not a git repository"))?;
        repo.push(false, true, cancel, on_output)?;
    }
    let mut args = vec!["pr", "create", "--title", req.title.trim(), "--body", &req.body, "--base", req.base.trim()];
@@ -362,7 +354,7 @@ pub fn prepare_diff(
    cancel: &CancellationToken,
    on_output: &dyn Fn(String),
 ) -> IdeResult<PrDiffRevisions> {
-    let repo = trusted_repo(root)?;
+    let repo = Repo::discover(root)?.ok_or_else(|| IdeError::invalid("not a git repository"))?;
    if !repo.has_commit(head_oid) || !repo.has_commit(base_oid) {
        let remotes = repo.remotes()?;
        let remote = remote_for(&remotes, name_with_owner)