Merge remote-tracking branch 'origin/main' into fix/agent-chat-transcript

# Conflicts: # src/platform/locales/text/en.json
test(agents): use the native copy shortcut on every host
2026-11-07 18:38:33 -10:00 · 2026-11-07 10:46:10 +08:00 · 2026-11-07 10:43:24 +08:00 · 2026-11-07 10:43:21 +08:00 · 2026-11-07 10:38:22 +08:00 · 2026-11-07 10:37:24 +08:00
667 changed files with 37232 additions and 3681 deletions
@@ -0,0 +1,52 @@
+name: CNB mirror
+
+# Copies a published release to cnb.cool/l0ng-ai/openidea, the updater's CNB source
+# (scripts/cnb-mirror.ts). Release runs it after publishing; run it by hand to mirror
+# an existing tag again. Skipped without the CNB_TOKEN secret.
+on:
+  workflow_call:
+    inputs:
+      tag: { type: string, required: true }
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Published release to mirror (e.g. v0.1.38)"
+        required: true
+
+permissions:
+  contents: read
+
+concurrency:
+  group: cnb-mirror-${{ inputs.tag }}
+
+jobs:
+  mirror:
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+    env:
+      TAG: ${{ inputs.tag }}
+      CNB_TOKEN: ${{ secrets.CNB_TOKEN }}
+      GH_TOKEN: ${{ github.token }}
+    steps:
+      - name: Check token
+        id: token
+        run: |
+          if [ -z "$CNB_TOKEN" ]; then
+            echo "::notice::CNB_TOKEN unset: not mirroring $TAG"
+            echo "skip=true" >> "$GITHUB_OUTPUT"
+          fi
+      - uses: actions/checkout@v5
+        if: steps.token.outputs.skip != 'true'
+        with: { sparse-checkout: scripts }
+      - uses: actions/setup-node@v5
+        if: steps.token.outputs.skip != 'true'
+        with: { node-version: 22 }
+      - name: Download release
+        if: steps.token.outputs.skip != 'true'
+        run: |
+          gh release download "$TAG" -R "$GITHUB_REPOSITORY" -D assets
+          gh release view "$TAG" -R "$GITHUB_REPOSITORY" --json body,isPrerelease > assets/release.json
+          du -sh assets
+      - name: Upload to CNB
+        if: steps.token.outputs.skip != 'true'
+        run: node scripts/cnb-mirror.ts "$TAG" assets
@@ -166,6 +166,28 @@ jobs:
            xcrun stapler staple "$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.
@@ -355,3 +377,10 @@ jobs:
            await github.rest.repos.updateRelease({
              ...context.repo, release_id: Number(process.env.RELEASE_ID), draft: false,
            });
+
+  # The China mirror the updater's CNB source reads; a failure here leaves the GitHub release as is.
+  cnb-mirror:
+    needs: publish
+    uses: ./.github/workflows/cnb-mirror.yml
+    with: { tag: "${{ github.event.inputs.tag || github.ref_name }}" }
+    secrets: inherit
@@ -11,6 +11,7 @@
    "src/bindings.ts",
    "src/editor/core/cm/angular/parser*.ts",
    "src/editor/core/cm/jsp/parser*.ts",
+    "src/editor/core/cm/astro/parser*.ts",
    "docs/plugins/themes.md",
    "pnpm-lock.yaml",
    "**/*.toml",
@@ -14,6 +14,7 @@
    "crates",
    "src/bindings.ts",
    "src/editor/core/cm/angular/parser*.ts",
+    "src/editor/core/cm/astro/parser*.ts",
    "fixtures",
    "plugins",
    "test-results",
@@ -79,6 +79,8 @@ Shared agent skills live in `.agents/skills/` (`.claude/skills/` links to them):
  `pnpm gen:bindings`.
 - `pnpm perf` (UI interaction latency / frames / leaks), `pnpm perf:rust` (criterion
  benches vs budgets). Budgets: `perf/budgets.json`.
+- `pnpm release:prepare <version>` — the release commit's changes: app version everywhere,
+  `Cargo.lock`, and the plugin API snapshot when `wit/` moved to a new version.

 ## Before opening a PR

@@ -1496,7 +1496,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d045de693cb712d0b22c6a64be5b953f67b3ce00ab5ad3dd5d8b441886ab8e1a"
 dependencies = [
 "quote",
- "syn 2.0.119",
+ "syn 3.0.9",
 ]

 [[package]]
@@ -1552,6 +1552,16 @@ 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"
@@ -1572,6 +1582,20 @@ 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"
@@ -1581,7 +1605,7 @@ dependencies = [
 "ident_case",
 "proc-macro2",
 "quote",
- "strsim",
+ "strsim 0.11.1",
 "syn 2.0.119",
 ]

@@ -1594,10 +1618,21 @@ 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"
@@ -3001,7 +3036,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c48eccd894bd15555b0346470e63491ded94aefe76b3fcb1052084b5a393238"
 dependencies = [
 "bstr",
- "hashbrown 0.16.1",
+ "hashbrown 0.17.1",
 ]

 [[package]]
@@ -4071,7 +4106,7 @@ checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"

 [[package]]
 name = "ide-agent"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "dunce",
 "encoding_rs",
@@ -4094,7 +4129,7 @@ dependencies = [

 [[package]]
 name = "ide-analysis"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ast-grep-core",
 "ide-core",
@@ -4108,7 +4143,7 @@ dependencies = [

 [[package]]
 name = "ide-android"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "serde",
@@ -4119,7 +4154,7 @@ dependencies = [

 [[package]]
 name = "ide-build"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "blake3",
 "dirs 6.0.0",
@@ -4135,7 +4170,7 @@ dependencies = [

 [[package]]
 name = "ide-clipboard"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "objc2 0.6.5",
 "objc2-app-kit 0.3.2",
@@ -4144,7 +4179,7 @@ dependencies = [

 [[package]]
 name = "ide-core"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "dunce",
 "encoding_rs",
@@ -4161,7 +4196,7 @@ dependencies = [

 [[package]]
 name = "ide-coverage"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "ide-run",
@@ -4175,13 +4210,16 @@ dependencies = [

 [[package]]
 name = "ide-dap"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
+ "futures",
 "ide-core",
 "ide-jsonrpc",
 "ide-language",
+ "libc",
 "memchr",
 "parking_lot",
+ "portable-pty",
 "serde",
 "serde_json",
 "specta",
@@ -4193,7 +4231,7 @@ dependencies = [

 [[package]]
 name = "ide-db"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "bb8",
 "dirs 6.0.0",
@@ -4201,6 +4239,7 @@ dependencies = [
 "ide-core",
 "ide-http",
 "ide-ssh",
+ "oracle",
 "parking_lot",
 "reqwest",
 "rustls",
@@ -4219,7 +4258,7 @@ dependencies = [

 [[package]]
 name = "ide-docker"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "serde",
@@ -4232,7 +4271,7 @@ dependencies = [

 [[package]]
 name = "ide-extension"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "base64 0.22.1",
 "blake3",
@@ -4252,7 +4291,7 @@ dependencies = [

 [[package]]
 name = "ide-fonts"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "objc2-core-foundation",
 "objc2-core-text",
@@ -4264,7 +4303,7 @@ dependencies = [

 [[package]]
 name = "ide-github"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "ide-vcs",
@@ -4277,7 +4316,7 @@ dependencies = [

 [[package]]
 name = "ide-host"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "base64 0.22.1",
 "criterion",
@@ -4338,7 +4377,7 @@ dependencies = [

 [[package]]
 name = "ide-http"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "parking_lot",
@@ -4356,7 +4395,7 @@ dependencies = [

 [[package]]
 name = "ide-index"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "blake3",
 "criterion",
@@ -4378,7 +4417,7 @@ dependencies = [

 [[package]]
 name = "ide-jsonrpc"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "encoding_rs",
 "futures",
@@ -4395,7 +4434,7 @@ dependencies = [

 [[package]]
 name = "ide-language"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "blake3",
 "criterion",
@@ -4451,7 +4490,7 @@ dependencies = [

 [[package]]
 name = "ide-lsp"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "dunce",
 "futures",
@@ -4477,7 +4516,7 @@ dependencies = [

 [[package]]
 name = "ide-notebook"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "futures",
 "ide-core",
@@ -4500,7 +4539,7 @@ dependencies = [

 [[package]]
 name = "ide-plugin"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "blake3",
 "ide-core",
@@ -4521,7 +4560,7 @@ dependencies = [

 [[package]]
 name = "ide-profiler"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "ide-run",
@@ -4534,7 +4573,7 @@ dependencies = [

 [[package]]
 name = "ide-remote"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "globset",
 "ide-core",
@@ -4543,6 +4582,7 @@ dependencies = [
 "ignore",
 "parking_lot",
 "serde",
+ "serde_json",
 "specta",
 "tempfile",
 "tokio",
@@ -4551,7 +4591,7 @@ dependencies = [

 [[package]]
 name = "ide-run"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "dunce",
 "encoding_rs",
@@ -4574,7 +4614,7 @@ dependencies = [

 [[package]]
 name = "ide-sdk"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "dunce",
 "ide-core",
@@ -4593,7 +4633,7 @@ dependencies = [

 [[package]]
 name = "ide-search"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "criterion",
 "globset",
@@ -4613,7 +4653,7 @@ dependencies = [

 [[package]]
 name = "ide-spell"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "parking_lot",
@@ -4626,7 +4666,7 @@ dependencies = [

 [[package]]
 name = "ide-ssh"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "dirs 6.0.0",
 "flate2",
@@ -4648,7 +4688,7 @@ dependencies = [

 [[package]]
 name = "ide-syntax"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "ide-language",
@@ -4663,7 +4703,7 @@ dependencies = [

 [[package]]
 name = "ide-terminal"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "libc",
@@ -4676,7 +4716,7 @@ dependencies = [

 [[package]]
 name = "ide-text"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "criterion",
 "ide-core",
@@ -4689,7 +4729,7 @@ dependencies = [

 [[package]]
 name = "ide-tools"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "flate2",
 "hex",
@@ -4710,7 +4750,7 @@ dependencies = [

 [[package]]
 name = "ide-vcs"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "blake3",
 "dunce",
@@ -4731,7 +4771,7 @@ dependencies = [

 [[package]]
 name = "ide-vfs"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "chardetng",
 "dunce",
@@ -4753,7 +4793,7 @@ dependencies = [

 [[package]]
 name = "ide-web"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "ide-core",
 "open",
@@ -4769,7 +4809,7 @@ dependencies = [

 [[package]]
 name = "ide-workspace"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "blake3",
 "dunce",
@@ -5974,7 +6014,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a180dd8642fa45cdb7dd721cd4c11b1cadd4929ce112ebd8b9f5803cc79d536"
 dependencies = [
 "bitflags 2.13.2",
- "block2 0.6.2",
 "dispatch2",
 "objc2 0.6.5",
 ]
@@ -6285,6 +6324,15 @@ 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"
@@ -6310,7 +6358,7 @@ dependencies = [

 [[package]]
 name = "openidea"
-version = "0.1.37"
+version = "0.1.38"
 dependencies = [
 "base64 0.22.1",
 "blake3",
@@ -6356,7 +6404,6 @@ dependencies = [
 "ide-workspace",
 "objc2 0.6.5",
 "objc2-app-kit 0.3.2",
- "objc2-core-foundation",
 "objc2-foundation 0.3.2",
 "objc2-web-kit 0.3.2",
 "parking_lot",
@@ -6396,6 +6443,32 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"

+[[package]]
+name = "oracle"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3db40fe6e4df881b683691ade5ef1f7b1afd52aefa115581f7b92855524d7ec0"
+dependencies = [
+ "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]]
 name = "ordered-stream"
 version = "0.2.0"
@@ -8378,7 +8451,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d204abcbdf8e88729306a8d0ca01a79d8a49969fe1f84696909d6dbc4321c1a"
 dependencies = [
 "foldhash",
- "hashbrown 0.16.1",
+ "hashbrown 0.17.1",
 ]

 [[package]]
@@ -8696,6 +8769,12 @@ 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"
@@ -8732,6 +8811,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
 "proc-macro2",
+ "quote",
 "unicode-ident",
 ]

@@ -8954,7 +9034,7 @@ dependencies = [
 "serde",
 "serde_json",
 "static_vcruntime",
- "strsim",
+ "strsim 0.11.1",
 "tauri-utils",
 "tauri-winres",
 "walkdir",
@@ -9980,9 +10060,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-haskell"
-version = "0.23.1"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "977c51e504548cba13fc27cb5a2edab2124cf6716a1934915d07ab99523b05a4"
+checksum = "781de30e0d1ec8e6db4ed799d36ce1cedaf4684374dada45ebe2a8ea44c3f814"
 dependencies = [
 "cc",
 "tree-sitter-language",
@@ -5,7 +5,7 @@ members = ["crates/*", "src-tauri"]
 exclude = ["sdk", "plugins"]

 [workspace.package]
-version = "0.1.37"
+version = "0.1.38"
 edition = "2024"
 rust-version = "1.96"
 license = "Apache-2.0"
@@ -103,6 +103,7 @@ rustls = { version = "0.23", default-features = false, features = ["ring", "std"
 rustls-platform-verifier = "0.7"
 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"] }
+oracle = { version = "0.6", default-features = false }
 bb8 = "0.9"
 uuid = { version = "1", features = ["v4"] }
 # OS credential stores
@@ -25,7 +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

@@ -64,8 +66,18 @@ the [official plugins](plugins/official). The plugin API is still a preview.

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

+### Contributors
+
+<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

 [Apache 2.0](LICENSE). Bundled third-party assets are listed in [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md).

+Database tool window notes, including Oracle Instant Client setup, are in
+[`docs/databases.md`](docs/databases.md).
+Java language server choices and their capabilities are in [`docs/java.md`](docs/java.md).
+
 <sub>Not affiliated with JetBrains. IntelliJ IDEA is a trademark of JetBrains s.r.o.</sub>
@@ -2,8 +2,9 @@

 ## Project Lombok

-`java/lombok/lombok-1.18.48-openidea.2.jar` contains Project Lombok v1.18.48 with the Equinox
-classloader fix from [projectlombok/lombok#4059](https://github.com/projectlombok/lombok/pull/4059)
+`java/lombok/lombok-1.18.48-openidea.3.jar` contains Project Lombok v1.18.48 with the Equinox
+classloader fix from [projectlombok/lombok#4059](https://github.com/projectlombok/lombok/pull/4059),
+the [compact record constructor builder fix](java/lombok/patches/builder-compact-constructor.patch)
 and the ECJ constructor-call fix from [projectlombok/lombok#4089](https://github.com/projectlombok/lombok/pull/4089).
 Copyright (C) 2009-2021 The Project Lombok Authors. MIT license and bundled component
 notices are retained in [java/lombok/LICENSE](java/lombok/LICENSE) and inside the jar.
@@ -33,7 +34,8 @@ icon set, copied unmodified (some renamed) from JetBrains' open-source repositor
 - [intellij-plugins](https://github.com/JetBrains/intellij-plugins) (each plugin
  carries its own licence): `protobuf/protoeditor-core` (`newui/protoFile` →
  `fileTypes/protoFile`, Apache-2.0); `terraform` (`newui/hashiCorp` →
-  `fileTypes/hashiCorp`, Apache-2.0); `makefile` (`expui/makefile` →
+  `fileTypes/hashiCorp`, Apache-2.0); `Astro` (`icons/astro` → `fileTypes/astro`,
+  Apache-2.0); `makefile` (`expui/makefile` →
  `fileTypes/makefile`, MIT, Copyright (c) 2016 Victor Kropp — full text below).

 The read/write usage filter assets (`actions/showReadAccess{,_dark}.svg` and
@@ -54,6 +54,9 @@ const SESSION_STATE: [&str; 5] =
 pub(crate) const RETRY_UPDATE: &str = "openidea_retry";
 /// A native agent's own update: the usage limits of its account (see [`AgentLimit`]).
 pub(crate) const LIMITS_UPDATE: &str = "openidea_limits";
+/// A native agent's own update: the background tasks its session runs
+/// (see [`TaskState::background_tasks`]).
+pub(crate) const BACKGROUND_TASKS_UPDATE: &str = "openidea_background_tasks";
 /// Referenced files up to this size are embedded in the prompt (when the agent takes it).
 const MAX_EMBED: u64 = 256 * 1024;
 /// How long a probe waits for the agent to answer `initialize`.
@@ -125,6 +128,11 @@ impl Shared {

    fn known_config(&self, provider: &str) -> Vec<AgentConfigOption> {
        let mut config = self.known.lock().get(provider).map(|k| k.config.clone()).unwrap_or_default();
+        // A thinking level's values depend on the model (low/medium/high on one, none or a
+        // different set on another), but what ran last is remembered wholesale — after a
+        // model switch the New Task page would offer the previous model's levels. Until the
+        // session reports the new model's own, don't show the option at all.
+        config.retain(|o| o.category.as_deref() != Some("thought_level"));
        config::add_client_options(provider, &mut config);
        if let Some((o, v)) = config::bypass_mode(&config).map(|(o, v)| (o.id.clone(), v.value.clone()))
            && let Some(o) = config.iter_mut().find(|c| c.id == o)
@@ -204,6 +212,10 @@ struct TaskState {
    pending_rollback: u32,
    /// A turn is running or about to (prompts arriving now are queued).
    busy: bool,
+    /// Background tasks the agent reported as running (`run_in_background` commands and
+    /// the like), as it sent them: unlike a turn they outlive it, so an idle release
+    /// waits for the last one. A (re)started process runs nothing yet.
+    background_tasks: Vec<Value>,
 }

 /// A running agent and its session.
@@ -239,6 +251,9 @@ struct Task {
    turn_started: AtomicBool,
    /// Turns sent so far: an idle release scheduled before the latest one is void.
    turns: AtomicU64,
+    /// Bumped when the agent's last background task finishes: an idle release scheduled
+    /// before that is void, the usual delay starts over from the report.
+    idle_epoch: AtomicU64,
    /// Settings already sent this session (`(option, value)`), so a refusal is not retried.
    config_sent: Mutex<HashSet<(String, String)>>,
    dirty: Mutex<BTreeSet<(Session, usize)>>,
@@ -297,6 +312,7 @@ impl AgentManager {
                        f.task.status = AgentStatus::Ready;
                    }
                    f.task.retry = None;
+                    f.task.background.clear();
                    let task = Task::restore(f, shared.clone());
                    task.state.lock().conversation.settle(now_ms());
                    tasks.insert(task.id.clone(), task);
@@ -465,6 +481,7 @@ impl AgentManager {
            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(),
@@ -659,6 +676,7 @@ impl AgentManager {
                queue: Vec::new(),
                resets_ms: None,
                retry: None,
+                background: Box::default(),
                ..s.task.clone()
            };
            TaskFile {
@@ -797,6 +815,21 @@ impl AgentManager {
        Ok(())
    }

+    /// Stops background task `background` of task `id`.
+    pub async fn stop_background(&self, id: &str, background: &str) -> IdeResult<()> {
+        let task = self.task(id)?;
+        let live = task.live.lock().clone().ok_or_else(|| IdeError::invalid("the agent is not running"))?;
+        if !live.capabilities.background_tasks {
+            return Err(IdeError::invalid("this agent can't stop a background task"));
+        }
+        let _: Value = live
+            .peer
+            .request("_openidea/stop_task", json!({ "sessionId": live.session, "taskId": background }), None)
+            .await
+            .map_err(|error| IdeError::internal(task.describe(error)))?;
+        Ok(())
+    }
+
    /// Answers permission request `permission` with option `option` (`None` cancels it).
    pub fn respond(&self, id: &str, permission: u32, option: Option<String>) -> IdeResult<()> {
        let task = self.task(id)?;
@@ -909,6 +942,7 @@ impl Task {
                before: Arc::new(file.before),
                pending_rollback: file.pending_rollback,
                busy: false,
+                background_tasks: Vec::new(),
            }),
            live: Mutex::new(None),
            connecting: tokio::sync::Mutex::new(()),
@@ -919,6 +953,7 @@ impl Task {
            cancel_pending: AtomicBool::new(false),
            turn_started: AtomicBool::new(false),
            turns: AtomicU64::new(0),
+            idle_epoch: AtomicU64::new(0),
            config_sent: Mutex::new(HashSet::new()),
            dirty: Mutex::new(BTreeSet::new()),
            flush_scheduled: AtomicBool::new(false),
@@ -955,6 +990,39 @@ impl Task {
        self.emit_task();
    }

+    /// Keeps the agent's background tasks that outlive its turn. Returns whether the last
+    /// one just finished, so the idle release starts over from this report.
+    fn set_background_tasks(&self, tasks: Vec<Value>) -> bool {
+        let (emptied, shown) = {
+            let mut state = self.state.lock();
+            if state.background_tasks == tasks {
+                return false;
+            }
+            let emptied = !state.background_tasks.is_empty() && tasks.is_empty();
+            let background = shown_background(&tasks, &state.task.background);
+            let shown = background != *state.task.background;
+            *state.task.background = background;
+            state.background_tasks = tasks;
+            if emptied {
+                // Void a release scheduled while the tasks still ran: it would stop the
+                // agent sooner than the usual delay after this one.
+                self.idle_epoch.fetch_add(1, Ordering::AcqRel);
+            }
+            (emptied, shown)
+        };
+        if shown {
+            self.emit_task();
+        }
+        emptied
+    }
+
+    fn clear_shown_background(&self) {
+        let cleared = !std::mem::take(&mut self.state.lock().task.background).is_empty();
+        if cleared {
+            self.emit_task();
+        }
+    }
+
    fn set_status(&self, status: AgentStatus, error: Option<String>) {
        {
            let mut s = self.state.lock();
@@ -1073,19 +1141,32 @@ impl Task {
    /// Stops the agent's process once the task has stayed idle for [`IDLE_RELEASE`], so
    /// finished tasks don't keep an agent (and what it started) running. Only an agent that
    /// reloads its session: the next message starts it again with the conversation intact.
+    /// A turn's background tasks outlive it: the release waits for the last one, and the
+    /// delay runs again once the agent reports it done.
    fn release_when_idle(self: &Arc<Self>) {
        let turn = self.turns.load(Ordering::Acquire);
+        let epoch = self.idle_epoch.load(Ordering::Acquire);
        let delay = Duration::from_millis(self.shared.idle_release_ms.load(Ordering::Relaxed));
        let task = Arc::downgrade(self);
        self.shared.runtime.spawn(async move {
            tokio::time::sleep(delay).await;
            let Some(task) = task.upgrade() else { return };
            if task.turns.load(Ordering::Acquire) != turn
+                || task.idle_epoch.load(Ordering::Acquire) != epoch
                || task.state.lock().busy
                || !task.permissions.lock().is_empty()
            {
                return;
            }
+            // Stopping now would orphan what the agent still runs in the background: its
+            // result would never reach the conversation. Wait for the last task; when it
+            // is done, its report voids this schedule and starts the delay over.
+            let waiting = !task.state.lock().background_tasks.is_empty();
+            if waiting && task.live.lock().as_ref().is_some_and(|l| l.resumable && !l.peer.is_closed()) {
+                tracing::debug!("agent task {}: idle, waiting for its background tasks", task.id);
+                task.release_when_idle();
+                return;
+            }
            let live = {
                let mut live = task.live.lock();
                if live.as_ref().is_some_and(|l| l.resumable && !l.peer.is_closed()) { live.take() } else { None }
@@ -1093,6 +1174,7 @@ impl Task {
            if let Some(live) = live {
                tracing::debug!("agent task {}: idle, stopping the agent until the next message", task.id);
                live.peer.kill();
+                task.clear_shown_background();
            }
        });
    }
@@ -1111,6 +1193,7 @@ impl Task {
        if !gone && let Some(live) = self.live.lock().take() {
            live.peer.kill();
        }
+        self.clear_shown_background();
        match failure.limit {
            Some(resets) => {
                self.state.lock().task.resets_ms = resets;
@@ -1351,6 +1434,9 @@ impl Task {
            s.task.config = options;
            s.task.capabilities = capabilities;
            s.session_id = Some(session_id.clone());
+            // The (re)started process runs nothing yet: whatever it reports next is all of it.
+            s.background_tasks = Vec::new();
+            s.task.background.clear();
        }
        self.persist();
        self.emit_task();
@@ -1443,6 +1529,16 @@ impl Task {
            }
            return;
        }
+        if kind == BACKGROUND_TASKS_UPDATE {
+            if !self.replaying.load(Ordering::Acquire) {
+                let tasks = update.get("tasks").and_then(Value::as_array).cloned().unwrap_or_default();
+                // The last one finished while the agent is up: the usual delay starts over.
+                if self.set_background_tasks(tasks) {
+                    self.release_when_idle();
+                }
+            }
+            return;
+        }
        if kind == "session_info_update" {
            // The agent's own title for the session replaces the first line of the prompt.
            let title = update.get("title").and_then(Value::as_str).map(str::trim).filter(|t| !t.is_empty());
@@ -1551,17 +1647,38 @@ impl Task {
                    .collect()
            })
            .unwrap_or_default();
+        let questions: Vec<AgentQuestion> = params
+            .pointer("/toolCall/_meta/questions")
+            .and_then(|questions| serde_json::from_value(questions.clone()).ok())
+            .unwrap_or_default();
+        let asked: Vec<String> = questions.iter().map(|question| question.question.clone()).collect();
        let (tx, rx) = std::sync::mpsc::channel();
-        let entry = self.push_entry(AgentEntry::Permission { id, title, options: options.clone(), chosen: None });
+        let entry =
+            self.push_entry(AgentEntry::Permission { id, title, options: options.clone(), questions, chosen: None });
        self.permissions.lock().insert(id, tx);
        self.set_status(AgentStatus::NeedsInput, None);
        self.approve_pending();

        let answer = rx.recv().ok().flatten();
-        let name = answer
-            .as_ref()
-            .and_then(|a| options.iter().find(|o| &o.id == a))
-            .map_or_else(|| "Cancelled".to_owned(), |o| o.name.clone());
+        let answers = answer
+            .as_deref()
+            .filter(|_| !asked.is_empty())
+            .and_then(|reply| serde_json::from_str::<serde_json::Map<String, Value>>(reply).ok());
+        let name = match answers {
+            Some(answers) => asked
+                .iter()
+                .filter_map(|question| answers.get(question))
+                .map(|items| match items {
+                    Value::Array(items) => items.iter().filter_map(Value::as_str).collect::<Vec<_>>().join(", "),
+                    item => item.as_str().unwrap_or_default().to_owned(),
+                })
+                .collect::<Vec<_>>()
+                .join("; "),
+            None => answer
+                .as_ref()
+                .and_then(|reply| options.iter().find(|option| &option.id == reply))
+                .map_or_else(|| "Cancelled".to_owned(), |option| option.name.clone()),
+        };
        {
            let mut s = self.state.lock();
            if let Some(AgentEntry::Permission { chosen, .. }) = s.conversation.main.entries.get_mut(entry) {
@@ -1617,6 +1734,7 @@ impl Task {
        self.cancel_permissions();
        let live = self.live.lock().take()?;
        live.peer.kill();
+        self.clear_shown_background();
        Some(live.peer)
    }
 }
@@ -1730,6 +1848,19 @@ fn client_info() -> Value {
 }

 /// What the agent said it can do, and whether it takes embedded files.
+fn shown_background(tasks: &[Value], known: &[AgentBackgroundTask]) -> Vec<AgentBackgroundTask> {
+    let now = now_ms();
+    tasks
+        .iter()
+        .filter_map(|task| {
+            let id = task.get("task_id")?.as_str()?.to_owned();
+            let started_ms = known.iter().find(|seen| seen.id == id).map_or(now, |seen| seen.started_ms);
+            let text = |key: &str| task.get(key).and_then(Value::as_str).unwrap_or_default().to_owned();
+            Some(AgentBackgroundTask { id, kind: text("task_type"), description: text("description"), started_ms })
+        })
+        .collect()
+}
+
 fn capabilities_of(init: &acp::Negotiated) -> (AgentCapabilities, bool) {
    let meta = |p: &str| init.meta(p).and_then(Value::as_bool) == Some(true);
    let capabilities = AgentCapabilities {
@@ -1737,6 +1868,7 @@ fn capabilities_of(init: &acp::Negotiated) -> (AgentCapabilities, bool) {
        fork: init.session("fork"),
        rollback: meta("/openidea/rollback"),
        steer: meta("/openidea/steer"),
+        background_tasks: meta("/openidea/backgroundTasks"),
    };
    (capabilities, init.prompt("embeddedContext"))
 }
@@ -34,6 +34,8 @@ pub struct AgentCapabilities {
    pub rollback: bool,
    /// A message can join the running turn instead of waiting for it.
    pub steer: bool,
+    /// It reports its background tasks and stops them one by one.
+    pub background_tasks: bool,
 }

 #[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
@@ -89,6 +91,22 @@ pub struct AgentTask {
    /// by its next output or any status change.
    #[serde(default)]
    pub retry: Option<AgentRetry>,
+    /// What the agent runs in the background (shells, subagents, monitors), oldest first.
+    // Boxed so that `AgentEvent::Task` stays within clippy's `large_enum_variant` bound on Windows.
+    #[serde(default)]
+    pub background: Box<Vec<AgentBackgroundTask>>,
+}
+
+/// A task the agent runs in the background while the conversation goes on.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct AgentBackgroundTask {
+    pub id: String,
+    /// What it is, as the agent names it (`local_bash`, `local_agent`, `monitor`…).
+    pub kind: String,
+    pub description: String,
+    /// When the client first saw it (ms since the epoch).
+    pub started_ms: f64,
 }

 /// An API request the agent is about to retry.
@@ -260,6 +278,28 @@ pub struct AgentPermissionOption {
    pub kind: String,
 }

+/// A question the agent asks with `AskUserQuestion`, answered by picking options or typing.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct AgentQuestion {
+    #[serde(default)]
+    pub header: String,
+    pub question: String,
+    #[serde(default)]
+    pub multi_select: bool,
+    pub options: Vec<AgentQuestionOption>,
+}
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct AgentQuestionOption {
+    pub label: String,
+    #[serde(default)]
+    pub description: String,
+    #[serde(default)]
+    pub preview: Option<String>,
+}
+
 /// One item of a task's conversation.
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
 #[serde(tag = "type", rename_all = "camelCase", rename_all_fields = "camelCase")]
@@ -332,6 +372,10 @@ pub enum AgentEntry {
        id: u32,
        title: String,
        options: Vec<AgentPermissionOption>,
+        /// Set when the request asks `AskUserQuestion`'s questions; answered with a JSON object
+        /// of question to answer instead of an option.
+        #[serde(default)]
+        questions: Vec<AgentQuestion>,
        /// Name of the chosen option, or `None` while pending. Cancelled requests read "Cancelled".
        chosen: Option<String>,
    },
@@ -312,7 +312,7 @@ impl Shim {
                        "loadSession": true,
                        "promptCapabilities": { "image": true, "embeddedContext": true },
                        "sessionCapabilities": { "fork": {} },
-                        "_meta": { "openidea": { "rollback": true, "steer": true } },
+                        "_meta": { "openidea": { "rollback": true, "steer": true, "backgroundTasks": true } },
                    },
                    "agentInfo": { "name": "claude", "title": "Claude Code", "version": self.version() },
                    "authMethods": [],
@@ -396,6 +396,13 @@ impl Shim {
                session.steer(params.get("prompt").cloned().unwrap_or_default()).map_err(invalid)?;
                Ok(json!({}))
            }
+            "_openidea/stop_task" => {
+                let session = self.session(&params)?;
+                let task = params.get("taskId").and_then(Value::as_str).ok_or_else(|| invalid("no taskId"))?;
+                let proc = session.st.lock().proc.clone().ok_or_else(|| internal("Claude Code is not running"))?;
+                rt.block_on(proc.control(json!({ "subtype": "stop_task", "task_id": task }))).map_err(internal)?;
+                Ok(json!({}))
+            }
            "_openidea/rollback" => {
                let session = self.session(&params)?;
                let turns = params.get("turns").and_then(Value::as_u64).unwrap_or(0) as usize;
@@ -611,7 +618,8 @@ impl Session {
                session.on_exit(&reader_proc);
            }
        });
-        let init = proc.control(json!({ "subtype": "initialize" })).await?;
+        // Stop ends the turn only: the client stops background tasks one by one.
+        let init = proc.control(json!({ "subtype": "initialize", "perTaskStopAffordance": true })).await?;
        let applied = proc.control(json!({ "subtype": "get_settings" })).await.unwrap_or_default();
        let chosen = {
            let mut st = self.st.lock();
@@ -1109,38 +1117,46 @@ fn permission_result(
    }
 }

-/// `AskUserQuestion`: each question as a permission request whose options are its
-/// answers; `None` when one is not answered.
+/// `AskUserQuestion`: one permission request carrying all its questions, answered with a
+/// JSON object of question to the chosen labels and typed text; `None` when skipped.
 async fn ask_questions<F, Fut>(input: &Value, call: &Value, ask: F) -> Option<Value>
 where
    F: Fn(Value, Value) -> Fut,
    Fut: std::future::Future<Output = Option<String>>,
 {
-    let mut answers = serde_json::Map::new();
-    for q in input.get("questions").and_then(Value::as_array).into_iter().flatten() {
-        let question = q.get("question").and_then(Value::as_str).unwrap_or_default();
-        let labels: Vec<&str> = q
-            .get("options")
-            .and_then(Value::as_array)
-            .into_iter()
-            .flatten()
-            .filter_map(|o| o.get("label")?.as_str())
-            .collect();
-        let mut options: Vec<Value> = labels
-            .iter()
-            .enumerate()
-            .map(|(i, l)| json!({ "optionId": format!("answer-{i}"), "name": l, "kind": "allow_once" }))
-            .collect();
-        options.push(json!({ "optionId": "reject", "name": "Skip", "kind": "reject_once" }));
-        let mut call = call.clone();
-        call["title"] = json!(question);
-        let chosen = ask(call, Value::Array(options)).await?;
-        let i: usize = chosen.strip_prefix("answer-")?.parse().ok()?;
-        answers.insert(question.to_owned(), json!(labels.get(i)?));
-    }
+    let questions = input.get("questions")?;
+    let mut call = call.clone();
+    call["title"] = questions.pointer("/0/question").cloned().unwrap_or_else(|| json!("Claude has a question"));
+    call["_meta"] = json!({ "questions": questions });
+    let options = json!([{ "optionId": "reject", "name": "Skip", "kind": "reject_once" }]);
+    let chosen = ask(call, options).await?;
+    let chosen: serde_json::Map<String, Value> = serde_json::from_str(&chosen).ok()?;
+    let answers = questions
+        .as_array()?
+        .iter()
+        .filter_map(|entry| {
+            let question = entry.get("question")?.as_str()?;
+            let items: Vec<&str> = chosen.get(question)?.as_array()?.iter().filter_map(Value::as_str).collect();
+            let multi = entry.get("multiSelect").and_then(Value::as_bool) == Some(true);
+            let answer = if multi { join_answers(&items) } else { items.first()?.to_string() };
+            Some((question.to_owned(), json!(answer)))
+        })
+        .collect();
    Some(Value::Object(answers))
 }

+/// A multi-select answer as Claude Code's own question UI writes it: comma-joined, with an
+/// item that holds the separator or a quote JSON-quoted so it reads back as one item.
+fn join_answers(items: &[&str]) -> String {
+    items
+        .iter()
+        .map(
+            |item| if item.contains(", ") || item.contains('"') { json!(item).to_string() } else { (*item).to_owned() },
+        )
+        .collect::<Vec<_>>()
+        .join(", ")
+}
+
 /// Whether `result` ends `turn`: it answers the turn's last message, or (stopped) any of
 /// its messages, or names none (the CLI's own error before the turn began).
 fn belongs(turn: &Turn, result: &Value) -> bool {
@@ -976,6 +976,19 @@ fn api_retries_are_announced() {
    );
 }

+#[test]
+fn background_tasks_are_announced_wholesale() {
+    let mut t = Translator::new("s", PathBuf::from("/w"), true);
+    let tasks = json!([{"task_id": "bsh1", "task_type": "local_bash", "description": "sleep 900"}]);
+    let out = t.on_message(&json!({"type": "system", "subtype": "background_tasks_changed", "tasks": tasks}));
+    assert_eq!(out.len(), 1);
+    assert_eq!(out[0].session, "s");
+    assert_eq!(out[0].update, json!({"sessionUpdate": crate::BACKGROUND_TASKS_UPDATE, "tasks": tasks}));
+    // The list is replaced with every report: an empty one says every task is done.
+    let out = t.on_message(&json!({"type": "system", "subtype": "background_tasks_changed", "tasks": []}));
+    assert_eq!(out[0].update, json!({"sessionUpdate": crate::BACKGROUND_TASKS_UPDATE, "tasks": []}));
+}
+
 #[test]
 fn streamed_text_is_not_sent_twice() {
    let mut t = Translator::new("s", PathBuf::from("/w"), true);
@@ -1093,3 +1106,67 @@ fn tool_calls_plans_and_subagents() {
    assert_eq!(finished[1].update["content"][0]["text"], "It is x");
    assert_eq!(finished[1].update["senderSessionId"], "ag");
 }
+
+#[tokio::test]
+async fn questions_go_out_as_one_request() {
+    let questions = json!([
+        {"header": "Files", "question": "Where should they live?", "multiSelect": false,
+         "options": [{"label": "Local", "description": "Kept out of git"}, {"label": "Committed", "description": "In the repo"}]},
+        {"header": "Checks", "question": "Which checks?", "multiSelect": true,
+         "options": [{"label": "Lint", "description": ""}, {"label": "Tests", "description": ""}]},
+    ]);
+    let input = json!({ "questions": questions });
+    let asked = std::sync::Mutex::new(Vec::new());
+    let reply = json!({"Where should they live?": ["Local"], "Which checks?": ["Lint", "Tests"]}).to_string();
+    let answers = json!({"Where should they live?": "Local", "Which checks?": "Lint, Tests"});
+    let result = ask_questions(&input, &json!({"toolCallId": "t"}), |call, options| {
+        asked.lock().unwrap().push((call, options));
+        let reply = reply.clone();
+        async move { Some(reply) }
+    })
+    .await;
+    assert_eq!(result, Some(answers));
+    let asked = asked.into_inner().unwrap();
+    assert_eq!(asked.len(), 1);
+    let (call, options) = &asked[0];
+    assert_eq!(call["title"], "Where should they live?");
+    assert_eq!(call["_meta"]["questions"], questions);
+    assert_eq!(options[0]["optionId"], "reject");
+}
+
+#[tokio::test]
+async fn answers_keep_claude_codes_format_with_other_text() {
+    let input = json!({"questions": [
+        {"question": "Which cache?", "multiSelect": false, "options": [{"label": "Redis"}, {"label": "None"}]},
+        {"question": "Which checks?", "multiSelect": true, "options": [{"label": "Lint"}, {"label": "Tests"}]},
+        {"question": "Which stores?", "multiSelect": true, "options": [{"label": "Disk"}, {"label": "S3"}]},
+    ]});
+    let reply = json!({
+        "Which cache?": ["Memcached, for now"],
+        "Which checks?": ["Lint", "Tests"],
+        "Which stores?": ["Disk", "Redis, not Memcached", "a \"cold\" tier"],
+    })
+    .to_string();
+    let result = ask_questions(&input, &json!({}), |_, _| {
+        let reply = reply.clone();
+        async move { Some(reply) }
+    })
+    .await;
+    assert_eq!(
+        result,
+        Some(json!({
+            "Which cache?": "Memcached, for now",
+            "Which checks?": "Lint, Tests",
+            "Which stores?": "Disk, \"Redis, not Memcached\", \"a \\\"cold\\\" tier\"",
+        }))
+    );
+}
+
+#[tokio::test]
+async fn skipped_questions_have_no_answers() {
+    let input = json!({"questions": [{"question": "Which?", "options": [{"label": "A"}]}]});
+    let skipped = ask_questions(&input, &json!({}), |_, _| async { Some("reject".to_owned()) }).await;
+    assert_eq!(skipped, None);
+    let cancelled = ask_questions(&input, &json!({}), |_, _| async { None }).await;
+    assert_eq!(cancelled, None);
+}
@@ -5,7 +5,7 @@
 //! Agent tool use that launched them: their messages carry it as `parent_tool_use_id`.

 use super::tools;
-use crate::{LIMITS_UPDATE, RETRY_UPDATE};
+use crate::{BACKGROUND_TASKS_UPDATE, LIMITS_UPDATE, RETRY_UPDATE};
 use serde_json::{Value, json};
 use std::collections::{HashMap, VecDeque};
 use std::path::PathBuf;
@@ -458,6 +458,15 @@ impl Translator {
                let last = self.children.get(&tool_use).map(|c| c.last_text.clone()).filter(|t| !t.is_empty());
                self.finish_child(&tool_use, stop, last.or(summary))
            }
+            // A turn's background tasks (`run_in_background`) outlive it: the task keeps
+            // the list and stays up while it isn't empty (see `Task::release_when_idle`).
+            Some("background_tasks_changed") => {
+                let Some(tasks) = msg.get("tasks").and_then(Value::as_array).cloned() else { return Vec::new() };
+                vec![Update {
+                    session: self.root.clone(),
+                    update: json!({ "sessionUpdate": BACKGROUND_TASKS_UPDATE, "tasks": tasks }),
+                }]
+            }
            _ => Vec::new(),
        }
    }
@@ -11,6 +11,8 @@ struct FakeAgent {
    calls: Mutex<Vec<String>>,
    /// Without `loadSession` (a session lives only as long as its process).
    no_load: bool,
+    /// Config options `session/new` reports after the model one (per-model efforts, say).
+    extra_options: Mutex<Vec<Value>>,
 }

 impl FakeAgent {
@@ -92,13 +94,22 @@ impl Handler for FakeAgent {
                    self.calls.lock().push("subagents".into());
                }
                Ok(json!({"protocolVersion": 1, "agentCapabilities": {"loadSession": !self.no_load,
-                    "sessionCapabilities": {"fork": {}}, "_meta": {"openidea": {"rollback": true, "steer": true}}}}))
+                    "sessionCapabilities": {"fork": {}}, "_meta": {"openidea": {"rollback": true, "steer": true, "backgroundTasks": true}}}}))
            }
-            "session/new" => Ok(json!({"sessionId": "s1",
+            "session/new" => {
+                let mut options = vec![json!({"id": "model", "category": "model", "type": "select",
+                    "currentValue": "big",
+                    "options": [{"value": "big", "name": "Big"}, {"value": "small", "name": "Small"}]})];
+                options.extend(self.extra_options.lock().iter().cloned());
+                Ok(json!({"sessionId": "s1",
                "modes": {"currentModeId": "ask", "availableModes": [{"id": "ask", "name": "Ask"}, {"id": "code", "name": "Code"}]},
-                "configOptions": [{"id": "model", "category": "model", "type": "select", "currentValue": "big",
-                    "options": [{"value": "big", "name": "Big"}, {"value": "small", "name": "Small"}]}]})),
+                "configOptions": options}))
+            }
            "session/fork" => Ok(json!({"sessionId": "s2"})),
+            "_openidea/stop_task" => {
+                self.calls.lock().push(format!("{method} {}", params["taskId"]));
+                Ok(json!({}))
+            }
            "_openidea/rollback" | "_openidea/steer" => {
                let detail = params.get("turns").cloned().unwrap_or_else(|| params["prompt"][0]["text"].clone());
                self.calls.lock().push(format!("{method} {detail}"));
@@ -118,6 +129,16 @@ impl Handler for FakeAgent {
                    self.say(&session, "second turn");
                    return Ok(json!({"stopReason": "end_turn"}));
                }
+                if text == "background" {
+                    // A command that outlives the turn, as the agent reports it.
+                    self.update(
+                        &session,
+                        json!({"sessionUpdate": BACKGROUND_TASKS_UPDATE,
+                        "tasks": [{"task_id": "bsh1", "task_type": "local_bash", "description": "sleep 900"}]}),
+                    );
+                    self.say(&session, "running it in the background");
+                    return Ok(json!({"stopReason": "end_turn"}));
+                }
                if text == "delegate" {
                    self.delegate(&session);
                    return Ok(json!({"stopReason": "end_turn"}));
@@ -135,6 +156,24 @@ impl Handler for FakeAgent {
                    self.say(&session, "ok");
                    return Ok(json!({"stopReason": "end_turn"}));
                }
+                if text == "ask" {
+                    let peer = self.latest();
+                    let answer: Value = tokio::runtime::Handle::current()
+                        .block_on(peer.request(
+                            "session/request_permission",
+                            json!({"sessionId": session,
+                                "toolCall": {"toolCallId": "q1", "title": "AskUserQuestion", "_meta": {"questions": [
+                                    {"question": "Which layout?", "options": [{"label": "List"}, {"label": "Grid"}]},
+                                    {"question": "Which checks?", "multiSelect": true,
+                                     "options": [{"label": "Disk"}, {"label": "GPU temps"}]}]}},
+                                "options": [{"optionId": "yes", "name": "Allow", "kind": "allow_once"}]}),
+                            None,
+                        ))
+                        .unwrap();
+                    let chosen = answer.pointer("/outcome/optionId").and_then(Value::as_str).unwrap_or("none");
+                    self.say(&session, &format!("answered {chosen}"));
+                    return Ok(json!({"stopReason": "end_turn"}));
+                }
                if text == "wait" {
                    // Works until cancelled.
                    while !self.calls.lock().iter().any(|c| c == "session/cancel") {
@@ -588,6 +627,44 @@ fn prompts_become_acp_content_blocks() {
    assert!(clean(text(" ")).is_none());
 }

+#[tokio::test(flavor = "multi_thread")]
+async fn answered_questions_close_the_question_with_every_picked_label() {
+    let tmp = tempfile::tempdir().unwrap();
+    let mgr = manager(tmp.path(), Arc::new(FakeAgent::default()));
+    let task = mgr
+        .create(NewAgentTask {
+            project_root: None,
+            prompt: text("ask"),
+            provider: "codex".into(),
+            config: vec![],
+            isolation: Isolation::Local,
+            base: None,
+        })
+        .await
+        .unwrap();
+    wait_for(&mgr, &task.id, AgentStatus::NeedsInput).await;
+    let question = mgr
+        .entries(&task.id, None)
+        .unwrap()
+        .iter()
+        .find_map(|e| match e {
+            AgentEntry::Permission { id, .. } => Some(*id),
+            _ => None,
+        })
+        .unwrap();
+    let reply = json!({"Which layout?": ["List"], "Which checks?": ["Disk", "GPU temps"]}).to_string();
+    mgr.respond(&task.id, question, Some(reply)).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::Permission { chosen: Some(c), .. } if c == "List; Disk, GPU temps")),
+        "{entries:?}"
+    );
+}
+
 #[tokio::test(flavor = "multi_thread")]
 async fn cancelling_resolves_the_open_permission_and_delete_forgets_the_task() {
    let tmp = tempfile::tempdir().unwrap();
@@ -788,6 +865,35 @@ async fn usage_limits_and_late_settings() {
    assert_eq!(config.iter().find(|o| o.id == "effort").unwrap().current.as_deref(), Some("high"));
 }

+#[tokio::test(flavor = "multi_thread")]
+async fn remembered_settings_drop_per_model_choices_for_the_next_task() {
+    let tmp = tempfile::tempdir().unwrap();
+    let agent = Arc::new(FakeAgent::default());
+    // The effort list depends on the model: what the last session ran means nothing once
+    // the user picks another model, so the New Task page shows the option without a choice.
+    *agent.extra_options.lock() = vec![json!({"id": "effort", "category": "thought_level",
+        "type": "select", "currentValue": "high",
+        "options": [{"value": "low", "name": "Low"}, {"value": "high", "name": "High"}]})];
+    let mgr = manager(tmp.path(), agent.clone());
+    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;
+
+    let provider = mgr.providers().into_iter().find(|p| p.id == "claude").unwrap();
+    assert!(provider.config.iter().all(|o| o.id != "effort"), "a per-model option isn't offered stale");
+    let model = provider.config.iter().find(|o| o.id == "model").unwrap();
+    assert_eq!(model.current.as_deref(), Some("big"), "the model choice survives");
+}
+
 #[test]
 fn retry_updates_become_a_countdown() {
    let update =
@@ -1110,6 +1216,114 @@ async fn idle_agents_stop_and_resume_their_session_on_the_next_message() {
    mgr.shutdown();
 }

+/// A turn's background tasks outlive it: an idle agent stops only once its last one is
+/// done, and the usual delay runs from that report.
+#[tokio::test(flavor = "multi_thread")]
+async fn an_idle_agent_waits_for_its_background_tasks_before_it_stops() {
+    let live =
+        |mgr: &AgentManager, id: &str| mgr.task(id).unwrap().live.lock().as_ref().is_some_and(|l| !l.peer.is_closed());
+    let new = || NewAgentTask {
+        project_root: None,
+        prompt: text("background"),
+        provider: "claude".into(),
+        config: Vec::new(),
+        isolation: Isolation::Local,
+        base: None,
+    };
+
+    let tmp = tempfile::tempdir().unwrap();
+    let agent = Arc::new(FakeAgent::default());
+    let mgr = manager(tmp.path(), agent.clone());
+    mgr.set_idle_release(Duration::from_millis(200));
+    let task = mgr.create(new()).await.unwrap();
+    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
+    // The task runs long past the idle delay: the agent stays up for it.
+    tokio::time::sleep(Duration::from_millis(600)).await;
+    assert!(live(&mgr, &task.id));
+    // It is done: the delay starts over from this report, then the agent stops.
+    agent.update("s1", json!({"sessionUpdate": BACKGROUND_TASKS_UPDATE, "tasks": []}));
+    tokio::time::sleep(Duration::from_millis(100)).await;
+    assert!(live(&mgr, &task.id), "the delay runs from when the last task is done");
+    tokio::time::sleep(Duration::from_millis(600)).await;
+    assert!(!live(&mgr, &task.id));
+    assert_eq!(mgr.task(&task.id).unwrap().state.lock().task.status, AgentStatus::Ready, "not an error");
+    mgr.shutdown();
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn the_task_shows_what_runs_in_the_background() {
+    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("background"),
+            provider: "claude".into(),
+            config: Vec::new(),
+            isolation: Isolation::Local,
+            base: None,
+        })
+        .await
+        .unwrap();
+    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
+    let shown = || mgr.task(&task.id).unwrap().state.lock().task.background.clone();
+    let first = shown();
+    assert_eq!(first.len(), 1);
+    assert_eq!(
+        (first[0].id.as_str(), first[0].kind.as_str(), first[0].description.as_str()),
+        ("bsh1", "local_bash", "sleep 900")
+    );
+
+    agent.update(
+        "s1",
+        json!({"sessionUpdate": BACKGROUND_TASKS_UPDATE, "tasks": [
+            {"task_id": "bsh1", "task_type": "local_bash", "description": "sleep 900"},
+            {"task_id": "mon1", "task_type": "monitor", "description": "Watch the deploy"},
+        ]}),
+    );
+    tokio::time::timeout(Duration::from_secs(5), async {
+        while shown().len() < 2 {
+            tokio::time::sleep(Duration::from_millis(10)).await;
+        }
+    })
+    .await
+    .unwrap();
+    assert_eq!(shown()[0].started_ms, first[0].started_ms, "a task keeps when it was first seen");
+
+    agent.update("s1", json!({"sessionUpdate": BACKGROUND_TASKS_UPDATE, "tasks": []}));
+    tokio::time::timeout(Duration::from_secs(5), async {
+        while !shown().is_empty() {
+            tokio::time::sleep(Duration::from_millis(10)).await;
+        }
+    })
+    .await
+    .unwrap();
+    mgr.shutdown();
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn a_background_task_is_stopped_on_its_own() {
+    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("again"),
+            provider: "claude".into(),
+            config: Vec::new(),
+            isolation: Isolation::Local,
+            base: None,
+        })
+        .await
+        .unwrap();
+    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
+    mgr.stop_background(&task.id, "b1").await.unwrap();
+    assert!(agent.calls.lock().contains(&"_openidea/stop_task \"b1\"".to_owned()));
+    mgr.shutdown();
+}
+
 /// Deleting a task whose agent still runs in the worktree removes both and leaves no
 /// process behind, whether it is waiting for permission or idle without session/load.
 #[tokio::test(flavor = "multi_thread")]
@@ -434,7 +434,13 @@ mod tests {
        t.push(AgentEntry::Agent { text: "between".into() });
        assert_eq!(t.apply(&plan("completed")).changed, vec![0]);
        t.apply(&json!({"sessionUpdate": "tool_call", "toolCallId": "c", "title": "Run", "status": "in_progress"}));
-        t.push(AgentEntry::Permission { id: 1, title: "Run?".into(), options: vec![], chosen: None });
+        t.push(AgentEntry::Permission {
+            id: 1,
+            title: "Run?".into(),
+            options: vec![],
+            questions: vec![],
+            chosen: None,
+        });
        assert_eq!(t.end_turn(None), vec![2, 3]);
        let again = Timeline::from_entries(t.entries.clone());
        assert_eq!(again.plan, Some(0));
@@ -234,7 +234,12 @@ pub fn plan(
    Ok(BuildPlan { system, title, steps })
 }

-fn maven_steps(root: &Path, model: &BuildModel, kind: BuildKind, module: Option<&Path>) -> IdeResult<Vec<BuildStep>> {
+pub(super) fn maven_steps(
+    root: &Path,
+    model: &BuildModel,
+    kind: BuildKind,
+    module: Option<&Path>,
+) -> IdeResult<Vec<BuildStep>> {
    let fallback;
    let m = match &model.maven {
        Some(m) => m,
@@ -383,18 +388,7 @@ fn go_steps(dir: &Path, kind: BuildKind) -> Vec<BuildStep> {

 /// `pnpm` / `yarn` / `bun` / `npm`, from the lock file next to `package.json` or above it.
 fn package_manager(dir: &Path) -> &'static str {
-    for d in dir.ancestors() {
-        if d.join("pnpm-lock.yaml").is_file() {
-            return "pnpm";
-        } else if d.join("yarn.lock").is_file() {
-            return "yarn";
-        } else if d.join("bun.lockb").is_file() || d.join("bun.lock").is_file() {
-            return "bun";
-        } else if d.join("package-lock.json").is_file() {
-            return "npm";
-        }
-    }
-    "npm"
+    ide_core::project_roots::package_manager(dir)
 }

 fn has_build_script(dir: &Path) -> bool {
@@ -882,7 +876,8 @@ mod tests {
        model.gradle[0].env.insert("JAVA_HOME".into(), "/external-jdk".into());
        let all = super::plan(&root, &model, super::BuildKind::Build, None, None).unwrap();
        assert_eq!(all.steps[0].cwd, external);
-        assert_eq!(all.steps[0].program, external.join(wrapper).to_string_lossy());
+        // Linked roots are saved with forward slashes, so on Windows the program mixes separators.
+        assert_eq!(std::path::Path::new(&all.steps[0].program), external.join(wrapper));
        let module = super::plan(&root, &model, super::BuildKind::Rebuild, Some(&source), None).unwrap();
        assert_eq!(module.steps[0].cwd, external);
        assert_eq!(module.steps[0].env["JAVA_HOME"], "/external-jdk");
@@ -218,21 +218,14 @@ fn normalize(p: &Path) -> PathBuf {
    out
 }

-/// The directory of the Gradle build under `root`: the root itself, or a direct
-/// subfolder, holding a settings or build script.
+/// The first automatically discovered build, for callers operating on one build.
 pub fn build_dir(root: &Path) -> Option<PathBuf> {
-    let has = |d: &Path| SETTINGS_FILES.iter().chain(BUILD_FILES).any(|f| d.join(f).is_file());
-    if has(root) {
-        return Some(root.to_path_buf());
-    }
-    let mut dirs: Vec<PathBuf> = std::fs::read_dir(root)
-        .ok()?
-        .flatten()
-        .filter(|e| e.file_type().is_ok_and(|t| t.is_dir()) && !e.file_name().to_string_lossy().starts_with('.'))
-        .map(|e| e.path())
-        .collect();
-    dirs.sort();
-    dirs.into_iter().find(|d| SETTINGS_FILES.iter().any(|f| d.join(f).is_file()))
+    build_dirs(root).into_iter().next()
+}
+
+fn build_dirs(root: &Path) -> Vec<PathBuf> {
+    let markers: Vec<_> = SETTINGS_FILES.iter().chain(BUILD_FILES).copied().collect();
+    ide_core::project_roots::discover(root, &markers)
 }

 fn wrapper(dir: &Path) -> String {
@@ -495,7 +488,7 @@ pub fn linked_project_key(root: &Path, dir: &str) -> String {
 /// Linked build identities without reading their scripts (also used by index hot paths).
 pub(crate) fn linked_dirs(root: &Path, settings: &ide_core::settings::GradleSettings) -> Vec<String> {
    match &settings.linked_projects {
-        None => build_dir(root).map(|dir| rel(root, &dir)).into_iter().collect(),
+        None => build_dirs(root).iter().map(|dir| rel(root, dir)).collect(),
        Some(dirs) => {
            let mut out = Vec::new();
            for dir in dirs {
@@ -686,6 +679,55 @@ pub(crate) fn has_war_plugin(script: &str) -> bool {

 #[cfg(test)]
 mod tests {
+    #[test]
+    fn default_linkage_discovers_all_shallow_builds() {
+        let temp = tempfile::tempdir().unwrap();
+        let root = temp.path();
+        for file in [
+            "Cargo.toml",
+            "package.json",
+            "fixtures/kotlin-gradle/settings.gradle.kts",
+            "fixtures/kotlin-gradle/build.gradle.kts",
+            "fixtures/kotlin-gradle/tools/settings.gradle",
+            "services/backend/api/settings.gradle",
+            "standalone/build.gradle",
+            "ignored/src/settings.gradle",
+            "ignored/out/build.gradle",
+            "node_modules/example/settings.gradle",
+            "target/example/build.gradle",
+            "build/example/settings.gradle",
+            "dist/example/build.gradle",
+            "vendor/example/settings.gradle",
+            ".hidden/settings.gradle",
+            "too/deep/to/find/settings.gradle",
+        ] {
+            let path = root.join(file);
+            std::fs::create_dir_all(path.parent().unwrap()).unwrap();
+            std::fs::write(path, "").unwrap();
+        }
+        let models = super::load_linked(root, &Default::default());
+        assert_eq!(
+            models.iter().map(|m| m.dir.as_str()).collect::<Vec<_>>(),
+            ["fixtures/kotlin-gradle", "ignored/src", "services/backend/api", "standalone"]
+        );
+        std::fs::write(root.join("build.gradle.kts"), "").unwrap();
+        let models = super::load_linked(root, &Default::default());
+        assert_eq!(models.len(), 1);
+        assert!(models[0].dir.is_empty());
+    }
+
+    #[cfg(unix)]
+    #[test]
+    fn default_linkage_does_not_follow_symlinks() {
+        let temp = tempfile::tempdir().unwrap();
+        let root = temp.path();
+        std::fs::create_dir(root.join("real")).unwrap();
+        std::fs::write(root.join("real/build.gradle"), "").unwrap();
+        std::os::unix::fs::symlink(root.join("real"), root.join("alias")).unwrap();
+        let models = super::load_linked(root, &Default::default());
+        assert_eq!(models.iter().map(|m| m.dir.as_str()).collect::<Vec<_>>(), ["real"]);
+    }
+
    #[test]
    fn a_path_from_the_ui_finds_the_saved_link() {
        let temp = tempfile::tempdir().unwrap();
@@ -718,7 +760,10 @@ mod tests {
            std::fs::create_dir(root.join(dir)).unwrap();
            std::fs::write(root.join(dir).join("settings.gradle"), format!("rootProject.name = '{dir}'")).unwrap();
        }
-        assert_eq!(super::load_linked(root, &Default::default())[0].dir, "a");
+        assert_eq!(
+            super::load_linked(root, &Default::default()).iter().map(|m| m.dir.as_str()).collect::<Vec<_>>(),
+            ["a", "b"]
+        );
        let mut settings = ide_core::settings::GradleSettings {
            linked_projects: Some(vec!["b".into(), "./b".into(), "a".into()]),
            ..Default::default()
@@ -53,8 +53,12 @@ pub struct Outcome {
    pub success: bool,
 }

-/// Inspect sources, excluding generated/build/VCS trees and never following symlinks.
-pub fn has_kotlin(root: &Path) -> bool {
+/// Only linked Maven modules contribute sources to the bridge.
+pub fn has_kotlin(root: &Path, model: &BuildModel) -> bool {
+    model.maven.iter().flat_map(|m| &m.projects).any(|p| has_kotlin_sources(&root.join(&p.dir)))
+}
+
+fn has_kotlin_sources(root: &Path) -> bool {
    let Ok(entries) = std::fs::read_dir(root) else { return false };
    entries.flatten().any(|entry| {
        let Ok(kind) = entry.file_type() else { return false };
@@ -66,11 +70,25 @@ pub fn has_kotlin(root: &Path) -> bool {
                    entry.file_name().to_str(),
                    Some("target" | "build" | "out" | "bin" | "node_modules" | ".git" | ".openidea")
                )
-                && has_kotlin(&entry.path())
+                && !["pom.xml", "build.gradle", "build.gradle.kts", "settings.gradle", "settings.gradle.kts"]
+                    .iter()
+                    .any(|marker| entry.path().join(marker).is_file())
+                && has_kotlin_sources(&entry.path())
        }
    })
 }

+fn plan(root: &Path, model: &BuildModel) -> IdeResult<compile::BuildPlan> {
+    if model.maven.as_ref().is_none_or(|m| m.projects.is_empty()) {
+        return Err(IdeError::invalid("Kotlin bridge requires a Maven build root"));
+    }
+    Ok(compile::BuildPlan {
+        system: compile::BuildSystem::Maven,
+        title: root.file_name().unwrap_or_default().to_string_lossy().into_owned(),
+        steps: compile::maven_steps(root, model, BuildKind::Build, None)?,
+    })
+}
+
 /// Run the project's configured wrapper/settings/JDK and lifecycle, with an output
 /// redirector loaded before Maven calculates its lifecycle execution plans.
 pub fn build(
@@ -81,10 +99,7 @@ pub fn build(
    cancel: &CancellationToken,
 ) -> IdeResult<Outcome> {
    std::fs::create_dir_all(generation)?;
-    let mut plan = compile::plan(root, model, BuildKind::Build, None, None)?;
-    if plan.system != compile::BuildSystem::Maven {
-        return Err(IdeError::invalid("Kotlin bridge requires a Maven build root"));
-    }
+    let mut plan = plan(root, model)?;
    let mut manifests = Vec::new();
    for (index, step) in plan.steps.iter_mut().enumerate() {
        step.args.push("--fail-at-end".into());
@@ -447,14 +462,106 @@ mod tests {
        assert_eq!(error.message, "Kotlin bridge requires a Maven build root");
    }

+    #[test]
+    fn kotlin_sources_belong_to_linked_maven_modules() {
+        let dir = tempfile::tempdir().unwrap();
+        let root = dir.path();
+        for file in [
+            "java/pom.xml",
+            "gradle/build.gradle.kts",
+            "gradle/src/main/kotlin/App.kt",
+            "java/unlinked/pom.xml",
+            "java/unlinked/src/main/kotlin/App.kt",
+            "java/gradle/settings.gradle.kts",
+            "java/gradle/src/main/kotlin/App.kt",
+            "java/target/generated/Old.kt",
+            "java/node_modules/dependency/App.kt",
+            "java/linked/pom.xml",
+            "java/linked/src/test/kotlin/Test.kt",
+        ] {
+            let path = root.join(file);
+            std::fs::create_dir_all(path.parent().unwrap()).unwrap();
+            std::fs::write(path, "").unwrap();
+        }
+        let mut model = BuildModel {
+            maven: Some(crate::MavenModel {
+                projects: vec![crate::MavenProject { dir: "java".into(), ..Default::default() }],
+                ..Default::default()
+            }),
+            ..Default::default()
+        };
+        assert!(!has_kotlin(root, &model));
+        model.maven.as_mut().unwrap().projects.push(crate::MavenProject {
+            dir: "java/linked".into(),
+            aggregated: true,
+            ..Default::default()
+        });
+        assert!(has_kotlin(root, &model));
+        model.maven.as_mut().unwrap().projects.clear();
+        assert!(!has_kotlin(root, &model));
+        assert!(!has_kotlin(root, &BuildModel::default()));
+    }
+
+    #[test]
+    fn maven_bridge_ignores_the_workspace_build_system() {
+        for marker in ["Cargo.toml", "package.json", "build.gradle.kts", "go.mod", "CMakeLists.txt"] {
+            let dir = tempfile::tempdir().unwrap();
+            let root = dir.path();
+            std::fs::write(root.join(marker), "").unwrap();
+            let mut model = BuildModel { maven: Some(crate::MavenModel::default()), ..Default::default() };
+            for name in ["java", "kotlin"] {
+                let module = root.join(name);
+                std::fs::create_dir_all(&module).unwrap();
+                model.maven.as_mut().unwrap().projects.push(crate::MavenProject {
+                    dir: name.into(),
+                    command: format!("{name}-mvnw"),
+                    options: vec!["-o".into(), "-Peditor".into()],
+                    env: BTreeMap::from([("JAVA_HOME".into(), "/jdk".into())]),
+                    ..Default::default()
+                });
+            }
+            std::fs::write(root.join("kotlin/App.kt"), "class App").unwrap();
+            assert!(has_kotlin(root, &model), "{marker}");
+            let plan = plan(root, &model).unwrap();
+            assert_eq!(plan.system, compile::BuildSystem::Maven);
+            assert_eq!(plan.steps.len(), 2);
+            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", "-o", "-Peditor", "test-compile"]);
+                assert_eq!(step.env.get("JAVA_HOME").map(String::as_str), Some("/jdk"));
+            }
+        }
+    }
+
+    #[test]
+    fn external_linked_maven_sources_are_included() {
+        let workspace = tempfile::tempdir().unwrap();
+        let external = tempfile::tempdir().unwrap();
+        std::fs::write(external.path().join("App.kt"), "class App").unwrap();
+        let model = BuildModel {
+            maven: Some(crate::MavenModel {
+                projects: vec![crate::MavenProject {
+                    dir: external.path().to_string_lossy().into_owned(),
+                    command: "mvn".into(),
+                    ..Default::default()
+                }],
+                ..Default::default()
+            }),
+            ..Default::default()
+        };
+        assert!(has_kotlin(workspace.path(), &model));
+        assert_eq!(plan(workspace.path(), &model).unwrap().steps[0].cwd, external.path());
+    }
+
    #[test]
    fn does_not_find_deleted_sources_in_build_outputs() {
        let dir = tempfile::tempdir().unwrap();
        std::fs::create_dir_all(dir.path().join("target/generated")).unwrap();
        std::fs::write(dir.path().join("target/generated/Old.kt"), "").unwrap();
-        assert!(!has_kotlin(dir.path()));
+        assert!(!has_kotlin_sources(dir.path()));
        std::fs::write(dir.path().join("New.kt"), "").unwrap();
-        assert!(has_kotlin(dir.path()));
+        assert!(has_kotlin_sources(dir.path()));
    }

    #[test]
@@ -8,6 +8,7 @@
 //! later replaces plugins and dependencies with the effective build.

 use crate::xml::{self, Element};
+use ide_core::{Pos, Range};
 use serde::{Deserialize, Serialize};
 use specta::Type;
 use std::collections::{BTreeMap, HashMap, HashSet};
@@ -467,7 +468,7 @@ struct Resolver {
 }

 /// `~/.m2/repository`, or `<localRepository>` from `~/.m2/settings.xml`.
-pub(crate) fn default_local_repo() -> Option<PathBuf> {
+pub fn default_local_repo() -> Option<PathBuf> {
    let m2 = dirs::home_dir()?.join(".m2");
    local_repository_of(&m2.join("settings.xml")).or(Some(m2.join("repository")))
 }
@@ -1013,10 +1014,7 @@ pub(crate) fn plugin(

 // ---------------------------------------------------------------- loading

-/// Directories never searched for POMs.
-const SKIP_DIRS: &[&str] = &["node_modules", "target", "build", "out", "dist", "src", "vendor"];
 const MAX_PROJECTS: usize = 1000;
-const POM_SEARCH_DEPTH: usize = 3;

 fn rel_path(root: &Path, p: &Path) -> String {
    p.strip_prefix(root).unwrap_or(p).to_string_lossy().replace('\\', "/")
@@ -1027,44 +1025,7 @@ fn rel_path(root: &Path, p: &Path) -> String {
 /// aggregate POM directly inside `src/` counts too (issue #1001: `src/pom.xml`
 /// with its modules beside it, `src/app/pom.xml` and so on).
 fn top_level_poms(root: &Path) -> Vec<PathBuf> {
-    let top = root.join("pom.xml");
-    if top.is_file() {
-        return vec![top];
-    }
-    let mut out = Vec::new();
-    let src_pom = root.join("src").join("pom.xml");
-    if src_pom.is_file() {
-        out.push(src_pom);
-    }
-    let mut queue: Vec<(PathBuf, usize)> = vec![(root.to_path_buf(), 0)];
-    while let Some((dir, depth)) = queue.pop() {
-        let Ok(entries) = std::fs::read_dir(&dir) else { continue };
-        let mut dirs: Vec<PathBuf> = Vec::new();
-        for e in entries.flatten() {
-            let name = e.file_name().to_string_lossy().into_owned();
-            if e.file_type().is_ok_and(|t| t.is_dir()) && !name.starts_with('.') && !SKIP_DIRS.contains(&name.as_str())
-            {
-                dirs.push(e.path());
-            }
-        }
-        dirs.sort();
-        for d in dirs.into_iter().rev() {
-            let pom = d.join("pom.xml");
-            if pom.is_file() {
-                out.push(pom);
-                continue;
-            }
-            let src_pom = d.join("src").join("pom.xml");
-            if src_pom.is_file() {
-                out.push(src_pom);
-            }
-            if depth + 1 < POM_SEARCH_DEPTH {
-                queue.push((d, depth + 1));
-            }
-        }
-    }
-    out.sort();
-    out
+    ide_core::project_roots::discover(root, &["pom.xml"]).into_iter().map(|dir| dir.join("pom.xml")).collect()
 }

 /// Whether `root` holds a Maven build (cheap: the same search as [`load`] without parsing).
@@ -1532,10 +1493,296 @@ pub fn parse_dependency_tree(output: &str) -> Vec<(String, Vec<MavenDependency>)
    out
 }

+// ---------------------------------------------------------------- goto declaration
+
+/// What a go-to-declaration in a POM found, and where.
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct PomGoto {
+    /// Absolute path of the file with the declaration: the POM itself, or a parent
+    /// POM of the local repository when the definition is inherited from one.
+    pub path: PathBuf,
+    pub range: Range,
+    /// What was found.
+    pub kind: PomGotoKind,
+    /// The declaration as named for the user (`example.version`, `com.example:example-lib`).
+    pub label: String,
+}
+
+/// The kind of declaration a POM go-to-declaration found.
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub enum PomGotoKind {
+    /// A `<properties>` entry of the POM or one of its parents.
+    Property,
+    /// A `<dependencyManagement>` entry providing the dependency's version.
+    ManagedDependency,
+    /// A `<pluginManagement>` entry providing the plugin's version.
+    ManagedPlugin,
+}
+
+/// Byte offset of `pos` (0-based line / UTF-16 column), clamped to `text`.
+fn offset_at(text: &str, pos: Pos) -> usize {
+    let (mut line_seen, mut at) = (0usize, 0usize);
+    if pos.line > 0 {
+        for (i, b) in text.bytes().enumerate() {
+            if b == b'\n' {
+                line_seen += 1;
+                if line_seen == pos.line as usize {
+                    at = i + 1;
+                    break;
+                }
+            }
+        }
+        if line_seen < pos.line as usize {
+            return text.len();
+        }
+    }
+    let line_end = text[at..].find('\n').map_or(text.len(), |i| at + i);
+    let (mut col, mut byte) = (0u32, at);
+    for c in text[at..line_end].chars() {
+        let width = c.len_utf16() as u32;
+        if col + width > pos.col {
+            break;
+        }
+        col += width;
+        byte += c.len_utf8();
+    }
+    byte
+}
+
+/// 0-based line / UTF-16 column of byte offset `at`.
+fn pos_at(text: &str, at: usize) -> Pos {
+    let before = &text[..at];
+    let line_start = before.rfind('\n').map_or(0, |i| i + 1);
+    Pos::new(before.matches('\n').count() as u32, before[line_start..].encode_utf16().count() as u32)
+}
+
+/// The `${property}` reference covering byte offset `at`: its name and the span of
+/// the whole reference. `None` when `at` is outside one (a closing `${…}` before it
+/// ends the search: references do not nest).
+fn property_ref_at(text: &str, at: usize) -> Option<(&str, usize, usize)> {
+    // `at` may sit on the `$` itself.
+    let open = text[..at].rfind("${").or_else(|| text[at..].starts_with("${").then_some(at))?;
+    let close = open + 2 + text[open + 2..].find('}')?;
+    (close >= at).then(|| (text[open + 2..close].trim(), open, close + 1))
+}
+
+/// The elements containing `at`, from the root down to the innermost one.
+fn element_path(root: &Element, at: usize) -> Vec<&Element> {
+    let mut path = vec![root];
+    loop {
+        let Some(next) = path.last().unwrap().children.iter().find(|c| c.start <= at && at < c.end) else {
+            return path;
+        };
+        path.push(next);
+    }
+}
+
+/// The `<groupId>` / `<artifactId>` of a dependency or plugin element, with the
+/// plugin default (`org.apache.maven.plugins`) applied.
+fn coordinates(e: &Element, props: &HashMap<String, String>) -> Option<(String, String)> {
+    let group = if e.name == "plugin" && e.text_of("groupId").is_none() {
+        "org.apache.maven.plugins".to_owned()
+    } else {
+        interpolate(&e.text_of("groupId")?, props)
+    };
+    Some((group, interpolate(&e.text_of("artifactId")?, props)))
+}
+
+/// The go-to-declaration target at `pos` (0-based line / UTF-16 column) of the POM
+/// `text` stored at `path` (the current buffer text when the file is open): a
+/// `${property}` reference to the `<properties>` entry that defines it along the
+/// parent chain, or a dependency / plugin to the `<dependencyManagement>` /
+/// `<pluginManagement>` entry that provides its version (a parent POM, followed into
+/// the local repository when it is not in the project). `None` when there is no
+/// resolvable declaration here.
+pub fn goto_declaration(text: &str, path: &Path, pos: Pos, local_repo: Option<PathBuf>) -> Option<PomGoto> {
+    let root = xml::parse(text).filter(|e| e.name == "project")?;
+    let at = offset_at(text, pos);
+    if let Some((name, _, _)) = property_ref_at(text, at)
+        && !name.is_empty()
+    {
+        return property_target(text, path, name, local_repo);
+    }
+    // A `<dependency>` / `<plugin>` in a declaration position: its version may come
+    // from a management entry of this POM or an ancestor's.
+    let elements = element_path(&root, at);
+    let e = elements.iter().rev().find(|e| e.name == "dependency" || e.name == "plugin")?;
+    if elements.iter().any(|a| a.name == "dependencyManagement" || a.name == "pluginManagement") {
+        return None; // Management entries are declarations; there is nothing to go to.
+    }
+    let kind = match e.name.as_str() {
+        "dependency" => PomGotoKind::ManagedDependency,
+        _ => PomGotoKind::ManagedPlugin,
+    };
+    managed_target(text, path, e, kind, local_repo)
+}
+
+/// The parent POMs of the POM in `text` at `path`, child-first (its `<parent>` refs,
+/// via `relativePath` in the project or the local repository), with their texts.
+fn parent_chain(path: &Path, text: &str, local_repo: Option<PathBuf>) -> Vec<(PathBuf, String)> {
+    let mut resolver = Resolver::new(local_repo, &[]);
+    let path = dunce::canonicalize(path).unwrap_or_else(|_| path.to_path_buf());
+    let mut chain = vec![(path.clone(), text.to_owned())];
+    let mut dir = path.parent().unwrap_or(Path::new("")).to_path_buf();
+    let mut pom = parse_pom(text);
+    for _ in 0..MAX_PARENT_DEPTH {
+        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 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));
+    }
+    chain
+}
+
+/// The properties visible in the POM at `chain[i]`: inherited (its parents' and
+/// ancestors' own entries) plus its own, and the `project.*` built-ins.
+fn properties_at(resolver: &mut Resolver, chain: &[(PathBuf, String)], i: usize) -> HashMap<String, String> {
+    let (p, text) = &chain[i];
+    let Some(pom) = parse_pom(text) else { return HashMap::new() };
+    let dir = p.parent().unwrap_or(Path::new("")).to_path_buf();
+    let ctx = resolver.context(p, 0);
+    resolver.properties_for(&pom, &ctx, &dir)
+}
+
+/// Where the property `name` is declared: the `project.*` built-ins go to their
+/// coordinate elements, the rest to the first `<properties>` entry along the parent
+/// chain declaring it (a child's definition wins over a parent's; an active
+/// profile's counts as the POM's own). The winner's path, element range and name.
+fn property_target(text: &str, path: &Path, name: &str, local_repo: Option<PathBuf>) -> Option<PomGoto> {
+    let name = name.strip_prefix("pom.").map(|n| format!("project.{n}")).unwrap_or_else(|| name.to_owned());
+    let resolver = Resolver::new(local_repo.clone(), &[]);
+    let chain = parent_chain(path, text, local_repo);
+    // `project.parent.*` (and the legacy `parent.*` spellings) are declared by the
+    // clicked POM's own `<parent>` section.
+    let parent_key = match name.as_str() {
+        "project.parent.groupId"
+        | "project.parent.artifactId"
+        | "project.parent.version"
+        | "parent.groupId"
+        | "parent.version" => {
+            let key = name.rsplit('.').next().unwrap();
+            Some(&name[name.len() - key.len()..])
+        }
+        _ => None,
+    };
+    if let Some(key) = parent_key {
+        if !matches!(key, "groupId" | "artifactId" | "version") {
+            return None; // No other `project.parent.*` property has a declaration.
+        }
+        let root = xml::parse(&chain[0].1).filter(|e| e.name == "project")?;
+        let e = root.child("parent")?.child(key)?;
+        return Some(PomGoto {
+            path: chain[0].0.clone(),
+            range: range_of(&chain[0].1, e),
+            kind: PomGotoKind::Property,
+            label: name.clone(),
+        });
+    }
+    // Built-in coordinates: the POM's own element, else the first ancestor declaring one.
+    if let Some(key) = name.strip_prefix("project.") {
+        if !matches!(key, "groupId" | "artifactId" | "version" | "packaging" | "name") {
+            return None; // `project.basedir`, `project.build.directory`… have no element.
+        }
+        for (p, text) in &chain {
+            let Some(root) = xml::parse(text).filter(|e| e.name == "project") else { continue };
+            let Some(e) = root.child(key).filter(|e| !e.text.trim().is_empty()) else { continue };
+            return Some(PomGoto {
+                path: p.clone(),
+                range: range_of(text, e),
+                kind: PomGotoKind::Property,
+                label: name.clone(),
+            });
+        }
+        return None;
+    }
+    // A property of `<properties>`: the first POM of the chain (child-first) that
+    // declares it, at project level or in an active profile.
+    for (p, text) in &chain {
+        let Some(root) = xml::parse(text).filter(|e| e.name == "project") else { continue };
+        let active: Vec<String> = parse_pom(text)
+            .map(|pom| resolver.active(&pom.profiles).map(|pr| pr.id.clone()).collect())
+            .unwrap_or_default();
+        // Project level first, then the first active profile declaring the property.
+        let e = root.child("properties").and_then(|props| props.child(&name)).or_else(|| {
+            root.list("profiles", "profile")
+                .into_iter()
+                .find(|profile| {
+                    active.contains(&profile.child("id").map(|id| id.text.trim().to_owned()).unwrap_or_default())
+                        && profile.child("properties").and_then(|props| props.child(&name)).is_some()
+                })?
+                .child("properties")?
+                .child(&name)
+        });
+        if let Some(e) = e {
+            return Some(PomGoto {
+                path: p.clone(),
+                range: range_of(text, e),
+                kind: PomGotoKind::Property,
+                label: name.clone(),
+            });
+        }
+    }
+    None
+}
+
+/// The `<dependencyManagement>` / `<pluginManagement>` entry providing the version
+/// of the dependency / plugin element `e`: this POM's own management first, then the
+/// parent chain, child-first (the nearest declaration wins). Coordinates are matched
+/// after interpolation with each POM's effective properties.
+fn managed_target(
+    text: &str,
+    path: &Path,
+    e: &Element,
+    kind: PomGotoKind,
+    local_repo: Option<PathBuf>,
+) -> Option<PomGoto> {
+    let mut resolver = Resolver::new(local_repo.clone(), &[]);
+    let chain = parent_chain(path, text, local_repo);
+    let key = coordinates(e, &properties_at(&mut resolver, &chain, 0))?;
+    let (section, item) = match kind {
+        PomGotoKind::ManagedDependency => ("dependencyManagement/dependencies", "dependency"),
+        _ => ("build/pluginManagement/plugins", "plugin"),
+    };
+    for (i, (p, text)) in chain.iter().enumerate() {
+        let root = xml::parse(text).filter(|e| e.name == "project")?;
+        let props = properties_at(&mut resolver, &chain, i);
+        let Some(hit) = root.list(section, item).into_iter().find(|m| coordinates(m, &props).as_ref() == Some(&key))
+        else {
+            continue;
+        };
+        let target = hit.child("artifactId").unwrap_or(hit);
+        return Some(PomGoto {
+            path: p.clone(),
+            range: range_of(text, target),
+            kind,
+            label: format!("{}:{}", key.0, key.1),
+        });
+    }
+    None
+}
+
+/// The range of element `e` in `text`.
+fn range_of(text: &str, e: &Element) -> Range {
+    Range::new(pos_at(text, e.start), pos_at(text, e.end))
+}
+
 #[cfg(test)]
 mod tests {
    use super::*;

+    /// `parent_chain` returns paths normalized by `dunce::canonicalize`, so the
+    /// expected values compared against them must go through the same call: the
+    /// temp dirs sit behind symlinks on macOS (`/var` → `/private/var`) and under
+    /// an 8.3 short name on Windows, and raw paths would not match on those runners.
+    fn canon(path: &Path) -> PathBuf {
+        dunce::canonicalize(path).unwrap_or_else(|_| path.to_path_buf())
+    }
+
    /// A plugin jar in `repo` whose descriptor declares `goals`.
    fn write_plugin_jar(repo: &Path, group: &str, artifact: &str, version: &str, goals: &[&str]) {
        let dir = repo.join(group.replace('.', "/")).join(artifact).join(version);
@@ -2215,6 +2462,325 @@ mod tests {
            assert_eq!((d.group_id.as_str(), d.version.as_deref()), ("g", Some("1")), "{line}");
        }
    }
+
+    // ---------------------------------------------------- goto declaration
+
+    /// The position of the first character of `needle` (a click on it).
+    fn at(text: &str, needle: &str) -> Pos {
+        pos_at(text, text.find(needle).unwrap())
+    }
+
+    /// A parent POM and a child of it in `tmp`: the parent at `tmp/pom.xml`, the
+    /// child at `tmp/app/pom.xml` (found through the default `../pom.xml`).
+    fn write_parent_child(tmp: &Path, parent: &str, child: &str) {
+        std::fs::create_dir_all(tmp.join("app")).unwrap();
+        std::fs::write(tmp.join("pom.xml"), parent).unwrap();
+        std::fs::write(tmp.join("app/pom.xml"), child).unwrap();
+    }
+
+    const CHILD_HEADER: &str = r#"<project xmlns="http://maven.apache.org/POM/4.0.0">
+  <parent>
+    <groupId>com.example</groupId>
+    <artifactId>parent</artifactId>
+    <version>1.0</version>
+  </parent>
+  <artifactId>app</artifactId>
+"#;
+
+    const PARENT_HEADER: &str = r#"<project xmlns="http://maven.apache.org/POM/4.0.0">
+  <groupId>com.example</groupId>
+  <artifactId>parent</artifactId>
+  <version>1.0</version>
+"#;
+
+    #[test]
+    fn a_property_reference_finds_its_definition_in_the_same_pom() {
+        let text = format!(
+            r#"{CHILD_HEADER}<properties>
+    <example.version>1.2.3</example.version>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>com.example</groupId>
+      <artifactId>lib</artifactId>
+      <version>${{example.version}}</version>
+    </dependency>
+  </dependencies>
+</project>"#
+        );
+        let path = Path::new("/tmp/pom.xml");
+        let goto = goto_declaration(&text, path, at(&text, "${example.version}"), None).unwrap();
+        assert_eq!(goto.kind, PomGotoKind::Property);
+        assert_eq!(goto.label, "example.version");
+        assert_eq!(goto.path, path);
+        let from = text.find("<example.version>").unwrap();
+        let to = text.find("</example.version>").unwrap() + "</example.version>".len();
+        assert_eq!(goto.range, Range::new(pos_at(&text, from), pos_at(&text, to)));
+    }
+
+    #[test]
+    fn an_inherited_property_reference_finds_its_definition_in_the_parent_pom() {
+        let tmp = tempfile::tempdir().unwrap();
+        let parent = format!(
+            r#"{PARENT_HEADER}<properties>
+    <example.version>1.2.3</example.version>
+  </properties>
+</project>"#
+        );
+        let child = format!(
+            r#"{CHILD_HEADER}<dependencies>
+  <dependency>
+    <groupId>com.example</groupId>
+    <artifactId>lib</artifactId>
+    <version>${{example.version}}</version>
+  </dependency>
+</dependencies>
+</project>"#
+        );
+        write_parent_child(tmp.path(), &parent, &child);
+        let path = tmp.path().join("app/pom.xml");
+        let text = std::fs::read_to_string(&path).unwrap();
+        let goto = goto_declaration(&text, &path, at(&text, "${example.version}"), None).unwrap();
+        assert_eq!(goto.kind, PomGotoKind::Property);
+        assert_eq!(goto.path, canon(&tmp.path().join("pom.xml")));
+        let from = parent.find("<example.version>").unwrap();
+        assert_eq!(goto.range.start, pos_at(&parent, from));
+    }
+
+    #[test]
+    fn a_child_property_wins_over_the_parent_s_definition() {
+        let tmp = tempfile::tempdir().unwrap();
+        let parent = format!(
+            r#"{PARENT_HEADER}<properties>
+    <example.version>1.0.0</example.version>
+  </properties>
+</project>"#
+        );
+        let child = format!(
+            r#"{CHILD_HEADER}<properties>
+    <example.version>2.0.0</example.version>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>com.example</groupId>
+      <artifactId>lib</artifactId>
+      <version>${{example.version}}</version>
+    </dependency>
+  </dependencies>
+</project>"#
+        );
+        write_parent_child(tmp.path(), &parent, &child);
+        let path = tmp.path().join("app/pom.xml");
+        let text = std::fs::read_to_string(&path).unwrap();
+        let goto = goto_declaration(&text, &path, at(&text, "${example.version}"), None).unwrap();
+        assert_eq!(goto.path, canon(&path), "the child's own definition");
+        let from = text.find("<example.version>").unwrap();
+        let to = text.find("</example.version>").unwrap() + "</example.version>".len();
+        assert_eq!(goto.range, Range::new(pos_at(&text, from), pos_at(&text, to)));
+        assert!(text[from..to].contains("2.0.0"));
+    }
+
+    #[test]
+    fn a_managed_dependency_reference_finds_the_managing_declaration_in_the_parent() {
+        let tmp = tempfile::tempdir().unwrap();
+        let parent = format!(
+            r#"{PARENT_HEADER}<properties>
+    <example.version>1.2.3</example.version>
+  </properties>
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>com.example</groupId>
+        <artifactId>example-lib</artifactId>
+        <version>${{example.version}}</version>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+</project>"#
+        );
+        let child = format!(
+            r#"{CHILD_HEADER}<dependencies>
+  <dependency>
+    <groupId>com.example</groupId>
+    <artifactId>example-lib</artifactId>
+  </dependency>
+</dependencies>
+</project>"#
+        );
+        write_parent_child(tmp.path(), &parent, &child);
+        let path = tmp.path().join("app/pom.xml");
+        let text = std::fs::read_to_string(&path).unwrap();
+        let goto = goto_declaration(&text, &path, at(&text, "<artifactId>example-lib"), None).unwrap();
+        assert_eq!(goto.kind, PomGotoKind::ManagedDependency);
+        assert_eq!(goto.label, "com.example:example-lib");
+        assert_eq!(goto.path, canon(&tmp.path().join("pom.xml")));
+        let from = parent.find("<artifactId>example-lib</artifactId>").unwrap();
+        let to = from + "<artifactId>example-lib</artifactId>".len();
+        assert_eq!(goto.range, Range::new(pos_at(&parent, from), pos_at(&parent, to)));
+    }
+
+    #[test]
+    fn a_managed_plugin_reference_finds_the_managing_declaration_in_the_parent() {
+        let tmp = tempfile::tempdir().unwrap();
+        let parent = format!(
+            r#"{PARENT_HEADER}<build>
+  <pluginManagement>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.13.0</version>
+      </plugin>
+    </plugins>
+  </pluginManagement>
+</build>
+</project>"#
+        );
+        let child = format!(
+            r#"{CHILD_HEADER}<build>
+  <plugins>
+    <plugin>
+      <artifactId>maven-compiler-plugin</artifactId>
+    </plugin>
+  </plugins>
+</build>
+</project>"#
+        );
+        write_parent_child(tmp.path(), &parent, &child);
+        let path = tmp.path().join("app/pom.xml");
+        let text = std::fs::read_to_string(&path).unwrap();
+        let goto = goto_declaration(&text, &path, at(&text, "<artifactId>maven-compiler-plugin"), None).unwrap();
+        assert_eq!(goto.kind, PomGotoKind::ManagedPlugin);
+        assert_eq!(goto.label, "org.apache.maven.plugins:maven-compiler-plugin");
+        assert_eq!(goto.path, canon(&tmp.path().join("pom.xml")));
+    }
+
+    #[test]
+    fn an_inherited_property_is_found_in_a_parent_pom_of_the_local_repository() {
+        let tmp = tempfile::tempdir().unwrap();
+        let repo = tmp.path().join("repository");
+        let parent_dir = repo.join("com/example/parent/1.0");
+        std::fs::create_dir_all(&parent_dir).unwrap();
+        let parent = format!(
+            r#"{PARENT_HEADER}<properties>
+    <example.version>1.2.3</example.version>
+  </properties>
+</project>"#
+        );
+        std::fs::write(parent_dir.join("parent-1.0.pom"), &parent).unwrap();
+        let child = format!(
+            r#"{CHILD_HEADER}<dependencies>
+  <dependency>
+    <groupId>com.example</groupId>
+    <artifactId>lib</artifactId>
+    <version>${{example.version}}</version>
+  </dependency>
+</dependencies>
+</project>"#
+        );
+        let path = tmp.path().join("app/pom.xml");
+        std::fs::create_dir_all(tmp.path().join("app")).unwrap();
+        std::fs::write(&path, &child).unwrap();
+        let text = std::fs::read_to_string(&path).unwrap();
+        let goto = goto_declaration(&text, &path, at(&text, "${example.version}"), Some(repo)).unwrap();
+        assert_eq!(goto.kind, PomGotoKind::Property);
+        assert_eq!(goto.path, canon(&parent_dir.join("parent-1.0.pom")));
+        assert_eq!(goto.range.start, pos_at(&parent, parent.find("<example.version>").unwrap()));
+    }
+
+    #[test]
+    fn project_version_resolves_to_the_first_pom_declaring_its_own_version() {
+        let tmp = tempfile::tempdir().unwrap();
+        let parent = format!(r#"{PARENT_HEADER}<packaging>pom</packaging></project>"#);
+        let child = format!(
+            r#"{CHILD_HEADER}<dependencies>
+  <dependency>
+    <groupId>com.example</groupId>
+    <artifactId>lib</artifactId>
+    <version>${{project.version}}</version>
+  </dependency>
+</dependencies>
+</project>"#
+        );
+        write_parent_child(tmp.path(), &parent, &child);
+        let path = tmp.path().join("app/pom.xml");
+        let text = std::fs::read_to_string(&path).unwrap();
+        let goto = goto_declaration(&text, &path, at(&text, "${project.version}"), None).unwrap();
+        assert_eq!(goto.path, canon(&tmp.path().join("pom.xml")), "the child has no own <version>");
+        assert_eq!(goto.range.start, pos_at(&parent, parent.find("<version>").unwrap()));
+    }
+
+    #[test]
+    fn clicks_without_a_resolvable_declaration_find_nothing() {
+        let tmp = tempfile::tempdir().unwrap();
+        let parent = format!(
+            r#"{PARENT_HEADER}<dependencyManagement>
+  <dependencies>
+    <dependency>
+      <groupId>com.example</groupId>
+      <artifactId>managed-lib</artifactId>
+      <version>1.0</version>
+    </dependency>
+  </dependencies>
+</dependencyManagement>
+</project>"#
+        );
+        let child = format!(
+            r#"{CHILD_HEADER}<dependencies>
+  <dependency>
+    <groupId>com.example</groupId>
+    <artifactId>direct-lib</artifactId>
+    <version>${{missing.key}}</version>
+  </dependency>
+  <dependency>
+    <groupId>com.example</groupId>
+    <artifactId>other-lib</artifactId>
+    <version>2.0</version>
+  </dependency>
+</dependencies>
+</project>"#
+        );
+        write_parent_child(tmp.path(), &parent, &child);
+        let path = tmp.path().join("app/pom.xml");
+        let text = std::fs::read_to_string(&path).unwrap();
+        // The property is declared nowhere along the chain.
+        assert_eq!(goto_declaration(&text, &path, at(&text, "${missing.key}"), None), None);
+        // The dependency names its own version: it is the declaration.
+        assert_eq!(goto_declaration(&text, &path, at(&text, "<artifactId>other-lib"), None), None);
+        // A management entry is a declaration itself, not a reference.
+        let parent_path = tmp.path().join("pom.xml");
+        let parent_text = std::fs::read_to_string(&parent_path).unwrap();
+        assert_eq!(
+            goto_declaration(&parent_text, &parent_path, at(&parent_text, "<artifactId>managed-lib"), None),
+            None
+        );
+        // Offsets beyond the document, and non-POM documents, find nothing.
+        assert_eq!(goto_declaration(&text, &path, Pos::new(999, 0), None), None);
+        assert_eq!(goto_declaration("<project></project>", &path, Pos::new(0, 3), None), None);
+    }
+
+    #[test]
+    fn a_property_reference_after_non_ascii_text_is_still_found() {
+        let text = format!(
+            r#"{CHILD_HEADER}<properties>
+    <!-- Версия сборки: сборка 2026 -->
+    <example.version>1.2.3</example.version>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>com.example</groupId>
+      <artifactId>lib</artifactId>
+      <!-- Проверка: ссылка на свойство -->
+      <version>${{example.version}}</version>
+    </dependency>
+  </dependencies>
+</project>"#
+        );
+        let path = Path::new("/tmp/pom.xml");
+        let goto = goto_declaration(&text, path, at(&text, "${example.version}"), None).unwrap();
+        assert_eq!(goto.kind, PomGotoKind::Property);
+        assert_eq!(goto.path, path);
+    }
 }

 #[cfg(test)]
@@ -95,6 +95,24 @@ fn maven_sync_goals(effective: &Path, offline: bool) -> Vec<String> {
        "-Dverbose".into(),
    ]
 }
+
+/// The settings' Maven options for the sync runs: the thread count (`-T`, also
+/// `--threads`) is left out, because the sync pins its own `-T1` — its console
+/// output is parsed as one stream, which a parallel build interleaves.
+fn sync_maven_options(options: &[String]) -> Vec<String> {
+    let mut out = Vec::with_capacity(options.len());
+    let mut args = options.iter();
+    while let Some(arg) = args.next() {
+        if arg == "-T" || arg == "--threads" {
+            args.next(); // the count itself
+        } else if (arg.starts_with("-T") && arg.len() > 2) || arg.starts_with("--threads=") {
+            // `--threads=4` / `-T4`: the count is part of the argument.
+        } else {
+            out.push(arg.clone());
+        }
+    }
+    out
+}
 const GRADLE_CACHE: &str = "gradle.json";
 const MAVEN_PROFILES: &str = "maven-profiles.json";

@@ -324,7 +342,7 @@ pub fn sync_maven(
        // `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()];
-        args.extend(options.maven_options.iter().cloned());
+        args.extend(sync_maven_options(&options.maven_options));
        if options.offline {
            args.push("-o".into());
        }
@@ -831,6 +849,19 @@ mod tests {
        assert_eq!(error_summary("one\nlast line\n\n"), "last line");
    }

+    #[test]
+    fn maven_sync_leaves_out_the_settings_thread_count() {
+        // The sync pins its own `-T1`; the user's `-T` (Settings › Maven) would win
+        // over it on the mvnd command line and interleave the parsed output.
+        let options = ["-s".to_owned(), "settings.xml".to_owned(), "-T".to_owned(), "4".to_owned()];
+        assert_eq!(sync_maven_options(&options), ["-s", "settings.xml"]);
+        let options = ["--threads".to_owned(), "2C".to_owned(), "-Dmaven.repo.local=/m2".to_owned()];
+        assert_eq!(sync_maven_options(&options), ["-Dmaven.repo.local=/m2"]);
+        assert_eq!(sync_maven_options(&["-T4".to_owned()]), Vec::<String>::new());
+        assert_eq!(sync_maven_options(&["--threads=4".to_owned()]), Vec::<String>::new());
+        assert!(sync_maven_options(&[]).is_empty());
+    }
+
    #[cfg(unix)]
    #[test]
    fn maven_sync_runs_the_daemon_command_serially() {
@@ -1,8 +1,8 @@
 //! The file list on the OS clipboard: what Explorer copies when the user
 //! copies files, so the project view can paste them, and what the project view
 //! writes so Explorer can paste the files it copied (IDEA does both). The
-//! written list comes with the paths as text, so a paste into an editor
-//! inserts them instead of doing nothing.
+//! written list comes with the file names as text, so a paste into an editor
+//! inserts them instead of doing nothing (#1878).
 //!
 //! Windows keeps it as `CF_HDROP`: a `DROPFILES` header and a double-NUL
 //! terminated list of absolute paths, wide when `fWide` is set. The data is set
@@ -44,6 +44,21 @@ pub fn set_files(paths: &[PathBuf]) -> bool {
    imp::set_files(paths)
 }

+/// The text flavor written beside the file list: the files' names, one per
+/// line. An editor paste inserts names, not the absolute paths the file list
+/// keeps for Explorer (#1878; IDEA's text flavor is names too). A path with no
+/// file name (a root like `C:\`) keeps its whole path.
+#[cfg(any(windows, target_os = "macos", test))]
+fn names_text(paths: &[PathBuf], separator: &str) -> String {
+    paths
+        .iter()
+        .map(|p| {
+            p.file_name().map(|n| n.to_string_lossy().into_owned()).unwrap_or_else(|| p.to_string_lossy().into_owned())
+        })
+        .collect::<Vec<_>>()
+        .join(separator)
+}
+
 /// `DROPFILES` for `paths`, in the wide form so names outside the ANSI code
 /// page survive. Empty paths are skipped.
 pub fn encode(paths: &[PathBuf]) -> Vec<u8> {
@@ -108,7 +123,7 @@ pub fn decode(bytes: &[u8]) -> Vec<PathBuf> {

 #[cfg(windows)]
 mod imp {
-    use super::{HEADER, decode, encode};
+    use super::{HEADER, decode, encode, names_text};
    use std::ffi::c_void;
    use std::path::PathBuf;
    use std::ptr;
@@ -220,9 +235,9 @@ mod imp {
        if bytes.len() <= HEADER {
            return false;
        }
-        // The paths as text, newline-separated, so pasting into an editor
-        // inserts them (IDEA writes the list and the text together).
-        let text = paths.iter().map(|p| p.to_string_lossy().into_owned()).collect::<Vec<_>>().join("\r\n");
+        // The file names as text: the file list keeps the absolute paths for
+        // Explorer, while an editor paste inserts the names (#1878).
+        let text = names_text(paths, "\r\n");
        // SAFETY: the blocks are allocated, filled, handed to the clipboard and
        // freed only on the paths where the clipboard did not take ownership.
        unsafe {
@@ -242,7 +257,7 @@ mod imp {
                return false;
            }
            // Replacing the list also drops the text the user copied before;
-            // the paths' own text is set back with it.
+            // the file names are set back with it.
            if EmptyClipboard() == 0 {
                CloseClipboard();
                GlobalFree(memory);
@@ -278,6 +293,8 @@ mod imp {
    use objc2_foundation::{NSArray, NSDictionary, NSNumber, NSString, NSURL};
    use std::path::PathBuf;

+    use super::names_text;
+
    /// `NSURL` as the one class to read, limited to file URLs: a web link the
    /// user copied is not a file to paste.
    fn read_file_urls<R>(
@@ -338,13 +355,11 @@ mod imp {
                urls.iter().map(|url| ProtocolObject::from_ref(&**url)).collect();
            let board = NSPasteboard::generalPasteboard();
            // Replacing the list also drops the text the user copied before;
-            // the paths' own text is set back with it, so an editor paste
-            // inserts them (IDEA writes the list and the text together).
+            // the file names are set back as text, so an editor paste inserts
+            // names, not paths (#1878).
            board.clearContents();
            let written = board.writeObjects(&NSArray::from_slice(&writers));
-            let text = NSString::from_str(
-                &paths.iter().map(|p| p.to_string_lossy().into_owned()).collect::<Vec<_>>().join("\n"),
-            );
+            let text = NSString::from_str(&names_text(paths, "\n"));
            board.setString_forType(&text, unsafe { NSPasteboardTypeString });
            written
        })
@@ -415,6 +430,15 @@ mod tests {
        assert_eq!(decode(&far), Vec::<PathBuf>::new());
    }

+    #[test]
+    fn the_text_flavor_is_the_file_names() {
+        assert_eq!(names_text(&paths(&["C:/work/project/a.txt", "C:/work/project/sub"]), "\r\n"), "a.txt\r\nsub");
+        // A path with no file name (the filesystem root) keeps its whole path.
+        let root = PathBuf::from("/");
+        assert!(root.file_name().is_none());
+        assert_eq!(names_text(std::slice::from_ref(&root), "\n"), root.to_string_lossy());
+    }
+
    #[test]
    fn an_ansi_list_is_still_read_before_the_terminator() {
        let mut bytes = vec![0u8; HEADER];
@@ -229,6 +229,9 @@ pub enum DebugEvent {
        thread_id: i64,
        started: bool,
    },
+    /// The program runs in a terminal the IDE gave it (`runInTerminal`): what is typed for it
+    /// in the debug console reaches its input.
+    ProgramInput,
    BreakpointsChanged {
        path: crate::IpcPath,
    },
@@ -16,6 +16,7 @@ pub mod jsonc;
 pub mod output_encoding;
 pub mod process;
 pub mod project_dir;
+pub mod project_roots;
 pub mod proxy_settings;
 pub mod remote_settings;
 pub mod settings;
@@ -0,0 +1,197 @@
+//! Shared filesystem rules for discovering builds and resolving their owners.
+
+use std::path::{Component, Path, PathBuf};
+
+pub const SEARCH_DEPTH: usize = 3;
+
+pub fn children(dir: &Path) -> Vec<PathBuf> {
+    let Ok(entries) = std::fs::read_dir(dir) else { return Vec::new() };
+    let mut dirs: Vec<_> = entries
+        .flatten()
+        .filter(|entry| {
+            if !entry.file_type().is_ok_and(|kind| kind.is_dir()) {
+                return false;
+            }
+            let name = entry.file_name();
+            let name = name.to_string_lossy();
+            !name.starts_with('.')
+                && !matches!(
+                    name.as_ref(),
+                    "node_modules" | "target" | "build" | "dist" | "vendor" | "out" | "bin" | "obj" | "venv"
+                )
+        })
+        .map(|entry| entry.path())
+        .collect();
+    dirs.sort();
+    dirs
+}
+
+pub fn discover(root: &Path, markers: &[&str]) -> Vec<PathBuf> {
+    discover_matching(root, SEARCH_DEPTH, true, |dir| markers.iter().any(|marker| dir.join(marker).is_file()))
+}
+
+pub fn discover_matching(
+    root: &Path,
+    max_depth: usize,
+    stop_at_match: bool,
+    marked: impl Fn(&Path) -> bool,
+) -> Vec<PathBuf> {
+    let mut found = Vec::new();
+    let mut pending = vec![(root.to_path_buf(), 0)];
+    while let Some((dir, depth)) = pending.pop() {
+        if marked(&dir) {
+            found.push(dir.clone());
+            if stop_at_match {
+                continue;
+            }
+        }
+        // A source folder may itself be a build root (e.g. src/pom.xml), but
+        // source trees without their own build marker are never searched.
+        let source = dir.join("src");
+        if source.is_dir() && !source.is_symlink() && marked(&source) {
+            found.push(source);
+        }
+        if depth < max_depth {
+            pending.extend(
+                children(&dir)
+                    .into_iter()
+                    .rev()
+                    .filter(|child| !child.ends_with("src"))
+                    .map(|child| (child, depth + 1)),
+            );
+        }
+    }
+    found.sort();
+    found.dedup();
+    found
+}
+
+/// The closest package manager declaration or lockfile, shared by build and run.
+pub fn package_manager(root: &Path) -> &'static str {
+    for dir in root.ancestors() {
+        let package = std::fs::read(dir.join("package.json"))
+            .ok()
+            .and_then(|bytes| serde_json::from_slice::<serde_json::Value>(&bytes).ok());
+        if let Some(pm) = package.as_ref().and_then(|p| p.get("packageManager")).and_then(|p| p.as_str()) {
+            match pm.split('@').next().unwrap_or_default() {
+                "pnpm" => return "pnpm",
+                "yarn" => return "yarn",
+                "bun" => return "bun",
+                "npm" => return "npm",
+                _ => {}
+            }
+        }
+        for (marker, pm) in [
+            ("pnpm-lock.yaml", "pnpm"),
+            ("yarn.lock", "yarn"),
+            ("bun.lock", "bun"),
+            ("bun.lockb", "bun"),
+            ("package-lock.json", "npm"),
+        ] {
+            if dir.join(marker).is_file() {
+                return pm;
+            }
+        }
+    }
+    "npm"
+}
+
+pub fn resolve(root: &Path, path: &Path) -> PathBuf {
+    let mut out = PathBuf::new();
+    for component in root.join(path).components() {
+        match component {
+            Component::CurDir => {}
+            Component::ParentDir if out.file_name().is_some() => {
+                out.pop();
+            }
+            component => out.push(component),
+        }
+    }
+    out
+}
+
+pub fn relative(root: &Path, path: &Path) -> PathBuf {
+    let path = resolve(root, path);
+    path.strip_prefix(resolve(root, Path::new(""))).unwrap_or(&path).to_path_buf()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn package_manager_declarations_are_shared_by_build_and_run() {
+        let temp = tempfile::tempdir().unwrap();
+        std::fs::write(temp.path().join("pnpm-lock.yaml"), "").unwrap();
+        let child = temp.path().join("packages/web");
+        std::fs::create_dir_all(&child).unwrap();
+        assert_eq!(package_manager(&child), "pnpm");
+        std::fs::write(child.join("package.json"), r#"{"packageManager":"[email protected]"}"#).unwrap();
+        assert_eq!(package_manager(&child), "yarn");
+    }
+
+    #[test]
+    fn discovery_has_one_depth_boundary_and_exclusion_policy_for_all_families() {
+        let temp = tempfile::tempdir().unwrap();
+        let root = temp.path();
+        let markers = [
+            "package.json",
+            "Cargo.toml",
+            "go.mod",
+            "pom.xml",
+            "build.gradle.kts",
+            "pyproject.toml",
+            "composer.json",
+            "Gemfile",
+            "CMakeLists.txt",
+            "project.godot",
+            "deno.json",
+            "Makefile",
+            "justfile",
+        ];
+        for marker in markers {
+            for dir in [
+                "apps/one",
+                "services/backend/two",
+                "src",
+                "a/b/c/src",
+                "too/deep/to/find",
+                "node_modules/ignored",
+                "target/ignored",
+                "build/ignored",
+                "vendor/ignored",
+                ".hidden",
+                "src/ignored",
+            ] {
+                let path = root.join(dir).join(marker);
+                std::fs::create_dir_all(path.parent().unwrap()).unwrap();
+                std::fs::write(path, "").unwrap();
+            }
+            assert_eq!(
+                discover(root, &[marker]),
+                ["a/b/c/src", "apps/one", "services/backend/two", "src"].map(|dir| root.join(dir))
+            );
+        }
+        std::fs::write(root.join("Cargo.toml"), "").unwrap();
+        assert_eq!(discover(root, &["Cargo.toml"]), [root]);
+    }
+
+    #[cfg(unix)]
+    #[test]
+    fn discovery_never_follows_directory_symlinks() {
+        let temp = tempfile::tempdir().unwrap();
+        std::fs::create_dir(temp.path().join("real")).unwrap();
+        std::fs::write(temp.path().join("real/go.mod"), "").unwrap();
+        std::os::unix::fs::symlink(temp.path().join("real"), temp.path().join("alias")).unwrap();
+        assert_eq!(discover(temp.path(), &["go.mod"]), [temp.path().join("real")]);
+    }
+
+    #[test]
+    fn paths_keep_component_boundaries_and_external_roots() {
+        let temp = tempfile::tempdir().unwrap();
+        let root = temp.path().join("workspace");
+        assert_eq!(relative(&root, &root.join("apps/../api")), Path::new("api"));
+        assert_eq!(relative(&root, &temp.path().join("workspace-other")), temp.path().join("workspace-other"));
+        assert_eq!(resolve(&root, Path::new("./api/../web")), root.join("web"));
+    }
+}
@@ -1,5 +1,5 @@
-//! Settings of remote work: SSH configurations, SFTP deployment and SSH run
-//! targets. The fields hang off `Settings` in `settings.rs`.
+//! Settings of remote work: SSH configurations, SFTP deployment and run
+//! targets (SSH, Docker, Compose). The fields hang off `Settings` in `settings.rs`.

 use serde::{Deserialize, Serialize};
 use specta::Type;
@@ -140,22 +140,55 @@ pub struct DeploymentMapping {
    pub web: String,
 }

-/// Build, Execution, Deployment › Run Targets: run configurations on another machine.
+/// Where a run target runs configurations.
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub enum RunTargetKind {
+    /// Another machine over SSH, the project synchronised to its folder.
+    #[default]
+    Ssh,
+    /// A new container of an image (`docker run --rm`), the project bind-mounted.
+    Docker,
+    /// A new container of a Compose service (`docker compose run --rm`).
+    Compose,
+}
+
+/// Build, Execution, Deployment › Run Targets: run configurations on another machine
+/// or in a container.
 #[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct RunTarget {
+    pub kind: RunTargetKind,
    pub id: String,
    pub name: String,
-    /// [`SshConfiguration::id`].
+    /// [`SshConfiguration::id`] (SSH).
    pub ssh_config: String,
-    /// Remote folder the project is synchronised to and run from.
+    /// Remote folder the project is synchronised to and run from (SSH).
    pub project_root: String,
-    /// Upload changed project files before each run.
+    /// Upload changed project files before each run (SSH).
    pub sync_before_run: bool,
    /// Interpreters on the target; empty = the one on the remote `PATH`.
    pub python: String,
    pub node: String,
    pub java: String,
+    /// Id of a Docker connection of the Services tool window (Docker, Compose);
+    /// empty = the CLI's own daemon.
+    pub docker_connection: String,
+    /// Image to run (Docker).
+    pub image: String,
+    /// Compose files, relative to the project; empty = the project's default one (Compose).
+    pub compose_files: Vec<String>,
+    /// Service to run (Compose).
+    pub service: String,
+    /// Where the project is in the container; empty = `/workspaces/<folder>` (Docker),
+    /// the service's bind mount of the project (Compose).
+    pub container_root: String,
+    /// Published ports, as `docker run --publish` takes them (`8000:8000`).
+    pub ports: Vec<String>,
+    /// More options for `docker run` / `docker compose run`, shell-like quoted.
+    pub run_options: String,
+    /// Run as the image's user instead of the project folder's owner (Linux).
+    pub image_user: bool,
 }

 #[cfg(test)]
@@ -176,4 +209,24 @@ mod deployment_tests {
            );
        }
    }
+
+    #[test]
+    fn run_target_kind_defaults_to_ssh_and_round_trips() {
+        let legacy: RunTarget =
+            serde_json::from_str(r#"{"id":"t","name":"Build box","sshConfig":"ssh","projectRoot":"/srv"}"#).unwrap();
+        assert_eq!((legacy.kind, legacy.ssh_config.as_str()), (RunTargetKind::Ssh, "ssh"));
+        let docker = RunTarget {
+            kind: RunTargetKind::Compose,
+            docker_connection: "local".into(),
+            compose_files: vec!["compose.dev.yaml".into()],
+            service: "web".into(),
+            ports: vec!["8000:8000".into()],
+            image_user: true,
+            ..legacy
+        };
+        let json = serde_json::to_value(&docker).unwrap();
+        assert_eq!(json["kind"], "compose");
+        assert_eq!(json["composeFiles"], serde_json::json!(["compose.dev.yaml"]));
+        assert_eq!(serde_json::from_value::<RunTarget>(json).unwrap(), docker);
+    }
 }
@@ -268,6 +268,8 @@ pub struct GeneralSettings {
    pub power_save_mode: bool,
    /// File › Rename Project… (project layer): the name shown for the project; empty = its folder name.
    pub project_name: String,
+    /// Where updates come from: `auto` (the CNB mirror for the Chinese UI, else GitHub) | `github` | `cnb`.
+    pub update_source: String,
 }

 impl Default for GeneralSettings {
@@ -282,6 +284,7 @@ impl Default for GeneralSettings {
            date_format: DateFormatSettings::default(),
            power_save_mode: false,
            project_name: String::new(),
+            update_source: "auto".into(),
        }
    }
 }
@@ -364,6 +367,8 @@ pub struct AppearanceSettings {
    pub red_green_vision: bool,
    pub different_tool_window_background: bool,
    pub compact_mode: bool,
+    /// IDEA "Use smaller indents in trees": tool window trees indent less per level.
+    pub small_tree_indents: bool,
    pub full_path_in_title: bool,
    pub project_colors_in_toolbar: bool,
    pub dnd_with_alt_only: bool,
@@ -434,6 +439,7 @@ impl Default for AppearanceSettings {
            red_green_vision: false,
            different_tool_window_background: false,
            compact_mode: false,
+            small_tree_indents: false,
            full_path_in_title: false,
            project_colors_in_toolbar: true,
            dnd_with_alt_only: false,
@@ -913,6 +919,24 @@ pub struct MavenSettings {
    /// Maven Daemon home (or its `mvnd` executable); empty = `$MVND_HOME`, else
    /// `mvnd` on `PATH` / common install dirs. Only used when `daemon` is on.
    pub mvnd_home: String,
+    /// Thread count of Maven builds (`-T`): a number of threads (`4`) or a core
+    /// multiplier (`2C`, `2.5C`); empty = Maven's default (one thread per module).
+    pub threads: String,
+}
+
+impl MavenSettings {
+    /// The `-T` value when it is one Maven accepts: a thread count (`4`) or a
+    /// core multiplier with an optional decimal fraction (`1C`, `2.5C`).
+    /// Anything else is dropped: a bad `-T` would make every Maven run fail.
+    pub fn thread_count(&self) -> Option<&str> {
+        let value = self.threads.trim();
+        let number = value.strip_suffix('C').unwrap_or(value);
+        let mut decimal = number.split('.');
+        let well_formed = number.parse::<f64>().is_ok_and(|n| n > 0.0)
+            && decimal.clone().count() <= 2
+            && decimal.all(|part| !part.is_empty() && part.chars().all(|c| c.is_ascii_digit()));
+        well_formed.then_some(value)
+    }
 }

 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
@@ -1155,6 +1179,41 @@ mod maven_linkage_tests {
        assert!(encoded.contains("\"daemon\":true") && encoded.contains("mvndHome"));
        assert_eq!(serde_json::from_str::<MavenSettings>(&encoded).unwrap(), settings);
    }
+
+    #[test]
+    fn thread_count_takes_counts_and_core_multipliers_only() {
+        let threads = |t: &str| {
+            let m = MavenSettings { threads: t.into(), ..Default::default() };
+            m.thread_count().map(str::to_owned)
+        };
+        // Empty = Maven's default (one thread per module).
+        assert_eq!(threads("").as_deref(), None);
+        assert_eq!(threads("   ").as_deref(), None);
+        // A thread count, and a core multiplier whose fraction may be decimal.
+        assert_eq!(threads("4").as_deref(), Some("4"));
+        assert_eq!(threads(" 2 ").as_deref(), Some("2"));
+        assert_eq!(threads("1C").as_deref(), Some("1C"));
+        assert_eq!(threads("2.0C").as_deref(), Some("2.0C"));
+        assert_eq!(threads("0.5C").as_deref(), Some("0.5C"));
+        // Everything else a `-T` would make every Maven run reject is dropped.
+        assert_eq!(threads("abc").as_deref(), None);
+        assert_eq!(threads("4x").as_deref(), None);
+        assert_eq!(threads("0").as_deref(), None);
+        assert_eq!(threads("-4").as_deref(), None);
+        assert_eq!(threads("1e3").as_deref(), None);
+        assert_eq!(threads("2..5C").as_deref(), None);
+    }
+
+    #[test]
+    fn thread_count_round_trips_and_defaults_to_empty() {
+        // Old settings files predate the thread count; `serde(default)` keeps them loadable.
+        let old: MavenSettings = serde_json::from_str(r#"{"home":"/opt/maven"}"#).unwrap();
+        assert!(old.threads.is_empty() && old.thread_count().is_none());
+        let settings = MavenSettings { threads: "2C".into(), ..old };
+        let encoded = serde_json::to_string(&settings).unwrap();
+        assert!(encoded.contains("\"threads\":\"2C\""));
+        assert_eq!(serde_json::from_str::<MavenSettings>(&encoded).unwrap(), settings);
+    }
 }

 #[cfg(test)]
@@ -6,6 +6,7 @@ edition.workspace = true
 license.workspace = true

 [dependencies]
+futures.workspace = true
 tempfile.workspace = true
 ide-core.workspace = true
 ide-language.workspace = true
@@ -16,8 +17,12 @@ specta.workspace = true
 tokio = { workspace = true, features = ["net"] }
 parking_lot.workspace = true
 memchr = "2"
+portable-pty.workspace = true
 tracing.workspace = true

+[target.'cfg(unix)'.dependencies]
+libc = "0.2"
+
 [dev-dependencies]
 tracing-subscriber.workspace = true
 tokio = { workspace = true, features = ["net", "rt-multi-thread", "macros"] }
@@ -64,13 +64,13 @@ fn builtin(adapter: &str) -> Option<DebuggerConfig> {
            "codelldb",
            &["--port", PORT_PLACEHOLDER],
            "tcp",
-            "Install the CodeLLDB adapter (https://github.com/vadimcn/codelldb/releases) and put `codelldb` on PATH",
+            "Install CodeLLDB in Settings › Languages & Frameworks › Language Servers",
        ),
        "kotlin-debug-adapter" => cfg(
            "kotlin-debug-adapter",
            &[],
            "stdio",
-            "Install the Kotlin Debug Adapter from Settings > Language Servers",
+            "Install Kotlin Debug Adapter in Settings › Languages & Frameworks › Language Servers",
        ),
        // Windows installs `python.exe`; `python3.exe` there is at most a Store alias.
        "debugpy" => cfg(
@@ -84,7 +84,7 @@ fn builtin(adapter: &str) -> Option<DebuggerConfig> {
            // Without a host it listens on `localhost`, which may resolve to ::1 only.
            &[PORT_PLACEHOLDER, "127.0.0.1"],
            "tcp",
-            "Install vscode-js-debug's DAP server (js-debug-dap-*.tar.gz from https://github.com/microsoft/vscode-js-debug/releases) as `js-debug-adapter`",
+            "Install JavaScript Debugger (vscode-js-debug) in Settings › Languages & Frameworks › Language Servers",
        ),
        "delve" => cfg(
            "dlv",
@@ -96,7 +96,7 @@ fn builtin(adapter: &str) -> Option<DebuggerConfig> {
            "netcoredbg",
            &["--interpreter=vscode"],
            "stdio",
-            "Install Samsung netcoredbg (https://github.com/Samsung/netcoredbg/releases)",
+            "Install netcoredbg (.NET debugger) in Settings › Languages & Frameworks › Language Servers",
        ),
        "lldb-dap" => {
            cfg("lldb-dap", &[], "stdio", "Install LLVM's lldb-dap (brew install llvm; on macOS `xcrun -f lldb-dap`)")
@@ -196,10 +196,18 @@ fn managed_dirs(root: &Path) -> Vec<PathBuf> {
    dirs
 }

+/// The `PATH` an adapter runs with, unless its launch sets one: the search path language servers
+/// get, so what it starts in turn (js-debug's wrapper runs `node`, Delve runs `go build`) is
+/// found like Run finds it, even when the login shell's `PATH` didn't reach the app.
+fn adapter_path(env: &[(String, String)]) -> Option<std::ffi::OsString> {
+    let own = env.iter().any(|(k, _)| if cfg!(windows) { k.eq_ignore_ascii_case("PATH") } else { k == "PATH" });
+    (!own).then(ide_core::tool_path::search_path)
+}
+
 /// Directories searched for adapter binaries: managed tools first, then `PATH` and the usual install spots.
 fn search_dirs() -> Vec<PathBuf> {
    let mut dirs: Vec<PathBuf> = tools_root().map(|r| managed_dirs(&r)).unwrap_or_default();
-    dirs.extend(std::env::var_os("PATH").map(|p| std::env::split_paths(&p).collect::<Vec<_>>()).unwrap_or_default());
+    dirs.extend(std::env::split_paths(&ide_core::tool_path::search_path()));
    if let Some(home) = std::env::var_os("HOME").map(PathBuf::from) {
        for rel in [".cargo/bin", ".local/bin", "go/bin", ".dotnet/tools", ".bun/bin", ".npm-global/bin", ".volta/bin"]
        {
@@ -464,6 +472,9 @@ impl AdapterLauncher for ProcessLauncher {
                None => args,
            };
            let mut cmd = Command::new(&binary);
+            if let Some(path) = adapter_path(&spec.env) {
+                cmd.env("PATH", path);
+            }
            ide_core::process::prepare(cmd.as_std_mut());
            cmd.args(&args)
                .envs(spec.env.iter().map(|(k, v)| (k, v)))
@@ -592,6 +603,21 @@ async fn connect_with_retries(
 mod tests {
    use super::*;

+    #[test]
+    fn adapters_run_on_the_tool_search_path() {
+        let search = ide_core::tool_path::search_path();
+        assert_eq!(adapter_path(&[]), Some(search.clone()));
+        assert_eq!(adapter_path(&[("GOFLAGS".into(), "-mod=mod".into())]), Some(search));
+        // A launch that sets its own (a selected Go SDK's bin first) keeps it.
+        assert_eq!(adapter_path(&[("PATH".into(), "/sdk/go/bin:/usr/bin".into())]), None);
+        // The search path reaches the usual install spots even when this process's `PATH` doesn't.
+        #[cfg(unix)]
+        {
+            let dirs: Vec<PathBuf> = std::env::split_paths(&ide_core::tool_path::search_path()).collect();
+            assert!(dirs.contains(&PathBuf::from("/usr/local/bin")), "{dirs:?}");
+        }
+    }
+
    #[tokio::test]
    async fn program_output_is_forwarded_without_the_adapter_banner() {
        let (tx, mut rx) = tokio::sync::mpsc::unbounded_channel();
@@ -668,7 +694,7 @@ mod tests {
        assert!(find_binary("definitely-not-a-real-binary-openidea", &spec.cwd).is_none());
        let err = missing(&spec);
        assert_eq!(err.kind, ide_core::error::ErrorKind::Unavailable);
-        assert!(err.message.contains("netcoredbg/releases"));
+        assert!(err.message.contains("Settings › Languages & Frameworks › Language Servers"));
    }

    #[tokio::test]
@@ -19,6 +19,7 @@ mod session;

 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;
 use parking_lot::Mutex;
@@ -300,6 +301,8 @@ pub struct DebugManager {
    exception_choices: Mutex<BTreeMap<String, bool>>,
    function_breakpoints: Mutex<Vec<FunctionBreakpoint>>,
    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>>>,
 }

 /// Whether the debugged project depends on the Flutter SDK, so it must go
@@ -510,6 +513,18 @@ pub(crate) fn capabilities_from(caps: &Value) -> DebugCapabilities {
    }
 }

+/// States of a file's line breakpoints that no session has been sent.
+fn unsent(breakpoints: &[Breakpoint]) -> Vec<BreakpointState> {
+    breakpoints
+        .iter()
+        .map(|b| BreakpointState {
+            line: b.line,
+            verified: false,
+            message: (!b.enabled).then(|| "Disabled".to_owned()),
+        })
+        .collect()
+}
+
 /// States for breakpoints no session has verified yet.
 fn unverified(enabled: impl Iterator<Item = bool>) -> Vec<BreakpointState> {
    enabled
@@ -517,6 +532,34 @@ fn unverified(enabled: impl Iterator<Item = bool>) -> Vec<BreakpointState> {
        .collect()
 }

+/// 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
+/// the leftovers once the session is down. Runs after `session_closed`, so Delve
+/// has already exited or been killed and holds no file locks; a leftover of a
+/// still-building run is removed on that run's own shutdown.
+fn remove_delve_binaries(cwd: &Path) {
+    let Ok(entries) = std::fs::read_dir(cwd) else { return };
+    for entry in entries.flatten() {
+        let name = entry.file_name();
+        let Some(name) = name.to_str() else { continue };
+        // Windows writes `__debug_bin.exe` (and `.exe<digits>` in DAP mode); other
+        // platforms keep the bare name. Suffixes like `.go` are user files.
+        let suffix = name.strip_prefix("__debug_bin");
+        let leftover = suffix.is_some_and(|s| {
+            s.is_empty()
+                || s == ".exe"
+                || (s.starts_with(".exe") && s[".exe".len()..].chars().all(|c| c.is_ascii_digit()))
+        });
+        if leftover
+            && entry.file_type().is_ok_and(|t| t.is_file())
+            && let Err(e) = std::fs::remove_file(entry.path())
+        {
+            tracing::debug!("could not remove Delve leftover {}: {e}", entry.path().display());
+        }
+    }
+}
+
 pub(crate) fn variable_from(v: &Value) -> Variable {
    let s = |k: &str| v.get(k).and_then(Value::as_str).map(str::to_owned);
    Variable {
@@ -546,6 +589,7 @@ impl DebugManager {
            exception_choices: Mutex::default(),
            function_breakpoints: Mutex::default(),
            data_breakpoints: Mutex::default(),
+            stopping: Mutex::default(),
        })
    }

@@ -877,12 +921,20 @@ impl DebugManager {
            let _ = tokio::time::timeout(INIT_TIMEOUT, initialized.wait_for(|v| *v)).await;
        }

-        let files: Vec<(PathBuf, Vec<Breakpoint>)> =
-            self.breakpoints.lock().iter().map(|(p, b)| (p.clone(), b.clone())).collect();
+        // A fresh adapter has no breakpoints, so a file with none enabled needs no request; the
+        // others go out together, as VS Code sends them, instead of one round trip per file.
+        let (files, idle): (Vec<_>, Vec<_>) = self
+            .breakpoints
+            .lock()
+            .iter()
+            .map(|(p, b)| (p.clone(), b.clone()))
+            .partition(|(_, b)| b.iter().any(|b| b.enabled));
+        let sent = join_all(files.iter().map(|(path, bps)| s.send_breakpoints(path, bps, None))).await;
        // Breakpoint states follow the owner's first session.
        let first = self.live_sessions().into_iter().find(|f| f.owner.key == s.owner.key).map(|f| f.id) == Some(s.id);
-        for (path, bps) in files {
-            match s.send_breakpoints(&path, &bps, None).await {
+        let idle = idle.into_iter().map(|(path, bps)| (path, Ok(unsent(&bps))));
+        for (path, result) in files.into_iter().map(|(path, _)| path).zip(sent).chain(idle) {
+            match result {
                Ok(states) => {
                    if first {
                        self.states.lock().insert(path.clone(), states);
@@ -945,21 +997,72 @@ impl DebugManager {

    /// Ends a session: `terminate` (when asked and supported) → `disconnect` → kill.
    pub(crate) async fn shutdown(&self, s: &Arc<Session>, terminate: bool) {
+        // java-debug runs the program itself and pipes its stdout over DAP. A `disconnect`
+        // ends that DAP session, so every line the program writes while shutting down is lost.
+        // Ask the program to exit ourselves and keep the adapter attached until it has drained
+        // the console (`terminated`), as IDEA does with the process it owns.
+        let pid = s.debuggee_pid.load(Ordering::Acquire);
+        let own_terminate = terminate && s.request == "launch" && pid > 0;
+        let graceful = terminate && s.request == "launch" && s.supports("supportsTerminateRequest");
        if !s.conn.is_closed() {
-            if terminate && s.request == "launch" && s.supports("supportsTerminateRequest") {
+            if graceful {
                let _ = s.conn.request_timeout("terminate", json!({ "restart": false }), SHUTDOWN_TIMEOUT).await;
            }
+            if !graceful && !own_terminate {
+                let _ = s
+                    .conn
+                    .request_timeout(
+                        "disconnect",
+                        json!({ "restart": false, "terminateDebuggee": s.request == "launch" }),
+                        SHUTDOWN_TIMEOUT,
+                    )
+                    .await;
+            }
+        }
+        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);
+        }
+        if graceful {
+            // java-debug sends `terminated` only after it has drained the program's console
+            // (it waits up to 5 s for the output pump). Close on the process id alone and the
+            // last shutdown lines are dropped, so wait for that event here.
+            let deadline = std::time::Instant::now() + crate::session::DEBUGGEE_EXIT_WAIT;
+            while !s.terminated.load(Ordering::Acquire) && std::time::Instant::now() < deadline {
+                tokio::time::sleep(std::time::Duration::from_millis(50)).await;
+            }
+        }
+        // An adapter answers `disconnect` before the program it launched has exited, and that
+        // program keeps its port until it is gone. Reporting the session as terminated then
+        // lets Run start again into an occupied port, so wait for the program first — with the
+        // connection still open, so a second Stop can find the session and kill it.
+        crate::session::wait_for_debuggee(s, terminate).await;
+        if terminate && s.request == "launch" {
+            // The adapter reports `terminated` only after it has drained the program's console
+            // (java-debug waits up to 5 s for the pump): closing before that drops the last
+            // shutdown lines from the console.
+            let deadline = std::time::Instant::now() + std::time::Duration::from_secs(6);
+            while !s.terminated.load(Ordering::Acquire) && !s.conn.is_closed() && std::time::Instant::now() < deadline {
+                tokio::time::sleep(std::time::Duration::from_millis(50)).await;
+            }
+        }
+        if graceful && !s.conn.is_closed() {
            let _ = s
                .conn
                .request_timeout(
                    "disconnect",
-                    json!({ "restart": false, "terminateDebuggee": s.request == "launch" }),
+                    json!({ "restart": false, "terminateDebuggee": false }),
                    SHUTDOWN_TIMEOUT,
                )
                .await;
        }
        s.conn.close();
        self.session_closed(s);
+        if s.adapter == "delve" && s.spec.server_host.is_none() {
+            let cwd = s.spec.cwd.clone();
+            tokio::task::spawn_blocking(move || remove_delve_binaries(&cwd));
+        }
    }

    /// Breakpoints are kept per file even without a session and sent on start.
@@ -990,16 +1093,7 @@ impl DebugManager {
                Err(e) => tracing::debug!("setBreakpoints on session {} failed: {e}", s.id.0),
            }
        }
-        let states = result.unwrap_or_else(|| {
-            breakpoints
-                .iter()
-                .map(|b| BreakpointState {
-                    line: b.line,
-                    verified: false,
-                    message: (!b.enabled).then(|| "Disabled".to_owned()),
-                })
-                .collect()
-        });
+        let states = result.unwrap_or_else(|| unsent(&breakpoints));
        self.states.lock().insert(path, states.clone());
        Ok(states)
    }
@@ -1266,6 +1360,16 @@ impl DebugManager {
        Ok(())
    }

+    /// Types `text` into the terminal the session's program runs in (see [`ide_core::event::DebugEvent::ProgramInput`]).
+    pub fn send_input(&self, s: DebugSessionId, text: &str) -> IdeResult<()> {
+        let session = self.session(s)?;
+        let mut program = session.program.lock();
+        let program = program
+            .as_mut()
+            .ok_or_else(|| IdeError::invalid("The program doesn't read input from the debug console"))?;
+        program.write(text).map_err(|e| IdeError::internal(format!("cannot write to the program: {e}")))
+    }
+
    /// Flutter's DAP adapter: injects the changed sources into the running app.
    /// Not part of the DAP standard; adapters that do not know the request reject it.
    pub async fn hot_reload(&self, s: DebugSessionId) -> IdeResult<()> {
@@ -1317,13 +1421,26 @@ impl DebugManager {
    /// Sends empty breakpoint lists (line, function, data) to `session` until its next
    /// stop, when the stored ones are restored. `except` is left to the caller.
    async fn suspend_breakpoints(&self, session: &Arc<Session>, except: Option<&Path>) -> IdeResult<()> {
-        let files: Vec<PathBuf> = self.breakpoints.lock().keys().cloned().collect();
-        for path in files {
-            if Some(path.as_path()) == except {
-                continue;
+        // While paused the adapter holds the stored lists: only files with something enabled change.
+        let files: Vec<PathBuf> = self
+            .breakpoints
+            .lock()
+            .iter()
+            .filter(|(path, bps)| Some(path.as_path()) != except && bps.iter().any(|b| b.enabled))
+            .map(|(path, _)| path.clone())
+            .collect();
+        let sent = join_all(files.iter().map(|path| session.send_breakpoints(path, &[], None))).await;
+        let mut failed = None;
+        for (path, result) in files.into_iter().zip(sent) {
+            match result {
+                Ok(_) => {
+                    session.pending_restore.lock().files.insert(path);
+                }
+                Err(e) => failed = failed.or(Some(e)),
            }
-            session.send_breakpoints(&path, &[], None).await?;
-            session.pending_restore.lock().files.insert(path);
+        }
+        if let Some(e) = failed {
+            return Err(e.into());
        }
        if !self.function_breakpoints.lock().is_empty() && session.supports("supportsFunctionBreakpoints") {
            session.send_function_breakpoints(&[]).await?;
@@ -1339,9 +1456,11 @@ impl DebugManager {
    /// Re-sends what [`suspend_breakpoints`](Self::suspend_breakpoints) / run to cursor replaced.
    pub(crate) async fn restore_breakpoints(&self, session: &Arc<Session>) {
        let pending = std::mem::take(&mut *session.pending_restore.lock());
-        for path in pending.files {
-            let bps = self.stored_breakpoints(&path);
-            if let Err(e) = session.send_breakpoints(&path, &bps, None).await {
+        let files: Vec<(PathBuf, Vec<Breakpoint>)> =
+            pending.files.into_iter().map(|path| (path.clone(), self.stored_breakpoints(&path))).collect();
+        let sent = join_all(files.iter().map(|(path, bps)| session.send_breakpoints(path, bps, None))).await;
+        for ((path, _), result) in files.iter().zip(sent) {
+            if let Err(e) = result {
                tracing::debug!("restoring breakpoints of {} failed: {e}", path.display());
            }
        }
@@ -1508,10 +1627,40 @@ impl DebugManager {
        }
    }

-    /// Stops a session and its child sessions.
+    /// Stops every debug session started from `root` or below — closing a project stops the
+    /// programs it launched even when the session's owner key does not name the window doing
+    /// the closing (window groups, auxiliary windows).
+    pub async fn stop_under(&self, root: &Path) {
+        let ids: Vec<DebugSessionId> =
+            self.live_sessions().into_iter().filter(|s| s.spec.cwd.starts_with(root)).map(|s| s.id).collect();
+        tracing::info!(root = %root.display(), sessions = ids.len(), "closing project: stopping debug sessions");
+        for id in ids {
+            if let Err(e) = self.stop(id).await {
+                tracing::debug!("debug session {id:?} did not stop: {e}");
+            }
+        }
+    }
+
+    /// Stops a session and its child sessions. A second Stop while the first one waits kills
+    /// the program instead of waiting for it — even after the adapter dropped the session.
    pub async fn stop(&self, s: DebugSessionId) -> IdeResult<()> {
+        {
+            let in_flight = self.stopping.lock();
+            if let Some(session) = in_flight.get(&s) {
+                session.stop_force.store(true, Ordering::Release);
+                return Ok(());
+            }
+        }
        let session = self.session(s)?;
-        let children: Vec<Arc<Session>> = self.live_sessions().into_iter().filter(|c| c.parent == Some(s)).collect();
+        self.stopping.lock().insert(s, session.clone());
+        let result = self.stop_tree(session).await;
+        self.stopping.lock().remove(&s);
+        result
+    }
+
+    async fn stop_tree(&self, session: Arc<Session>) -> IdeResult<()> {
+        let children: Vec<Arc<Session>> =
+            self.live_sessions().into_iter().filter(|c| c.parent == Some(session.id)).collect();
        for child in children {
            self.shutdown(&child, true).await;
        }
@@ -13,7 +13,7 @@ use std::path::{Path, PathBuf};
 use std::process::Stdio;
 use std::sync::Arc;
 use std::sync::Weak;
-use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::atomic::{AtomicBool, AtomicI64, Ordering};
 use std::time::Duration;
 use tokio::io::{AsyncRead, AsyncReadExt};
 use tokio::process::Child;
@@ -43,10 +43,20 @@ pub(crate) struct Session {
    pub adapter_process: Mutex<Option<Child>>,
    /// Processes started for `runInTerminal`.
    pub debuggees: Mutex<Vec<Child>>,
+    /// The terminal a `runInTerminal` program runs in: typed input goes to it.
+    pub program: Mutex<Option<ProgramTerminal>>,
    /// Set once `configurationDone` was sent; breakpoint updates go out live after that.
    pub configured: AtomicBool,
    pub initialized: watch::Sender<bool>,
    pub terminated: AtomicBool,
+    /// Set by a second Stop: the one waiting for the program kills it instead.
+    pub stop_force: AtomicBool,
+    /// `systemProcessId` from the adapter's `process` event: the program being debugged.
+    pub debuggee_pid: AtomicI64,
+    /// 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))]
+    pub stop_pids: parking_lot::Mutex<Vec<i32>>,
    /// Breakpoints replaced for run to cursor / force stepping, restored on the next stop.
    pub pending_restore: Mutex<PendingRestore>,
    /// Adapter breakpoint id → (file, index in the stored list).
@@ -90,9 +100,13 @@ impl Session {
            caps: Mutex::new(Value::Null),
            adapter_process: Mutex::new(child),
            debuggees: Mutex::new(Vec::new()),
+            program: Mutex::new(None),
            configured: AtomicBool::new(false),
            initialized: watch::channel(false).0,
            terminated: AtomicBool::new(false),
+            stop_force: AtomicBool::new(false),
+            debuggee_pid: AtomicI64::new(0),
+            stop_pids: parking_lot::Mutex::new(Vec::new()),
            pending_restore: Mutex::default(),
            breakpoint_ids: Mutex::new(HashMap::new()),
            resolved_paths: Mutex::new(HashMap::new()),
@@ -266,6 +280,111 @@ impl Session {
        for mut c in std::mem::take(&mut *self.debuggees.lock()) {
            let _ = c.start_kill();
        }
+        if let Some(mut program) = self.program.lock().take() {
+            let _ = program.child.kill();
+        }
+    }
+}
+
+/// How long Stop waits for a launched program to exit before reporting the session ended.
+pub(crate) const DEBUGGEE_EXIT_WAIT: Duration = Duration::from_secs(10);
+
+/// 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) fn signal_debuggee(s: &Arc<Session>, force: bool) {
+    let pid = s.debuggee_pid.load(Ordering::Acquire);
+    if pid <= 0 {
+        return;
+    }
+    #[cfg(unix)]
+    {
+        let mut known = s.stop_pids.lock();
+        if known.is_empty() {
+            *known = process_tree(pid as i32);
+        }
+        let signal = if force { libc::SIGKILL } else { libc::SIGTERM };
+        // 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.
+            unsafe {
+                libc::kill(*p, signal);
+            }
+        }
+    }
+    #[cfg(windows)]
+    {
+        let mut cmd = std::process::Command::new("taskkill");
+        cmd.args(["/PID", &pid.to_string(), "/T"]);
+        if force {
+            cmd.arg("/F");
+        }
+        let _ = cmd.status();
+    }
+    #[cfg(not(any(unix, windows)))]
+    let _ = (pid, force);
+}
+
+/// 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" {
+        return;
+    }
+    let pid = s.debuggee_pid.load(Ordering::Acquire);
+    if pid <= 0 {
+        return;
+    }
+    tracing::info!(session = s.id.0, pid, "stop: waiting for the debugged program to exit");
+    #[cfg(unix)]
+    {
+        use std::time::Instant;
+        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);
+            }
+            if Instant::now() >= deadline {
+                // The program ignored the terminate: do not leave it running.
+                signal_debuggee(s, true);
+                break;
+            }
+            tokio::time::sleep(Duration::from_millis(50)).await;
+        }
+    }
+    #[cfg(not(unix))]
+    {
+        let _ = pid;
    }
 }

@@ -364,8 +483,18 @@ async fn on_event(mgr: &Arc<DebugManager>, s: &Arc<Session>, event: &str, mut bo
                return;
            }
            let output = str_("output").unwrap_or_default();
+            if tracing::enabled!(tracing::Level::DEBUG) && mgr.stopping.lock().contains_key(&s.id) {
+                tracing::debug!(session = ?s.id, bytes = output.len(), "output during stop");
+            }
            s.emit(DebugEvent::Output { category, output });
        }
+        // The program the adapter started: Stop must wait for it, not for the adapter's reply.
+        // `process` is the DAP event; java-debug announces the same thing as `processid`.
+        "process" | "processid" => {
+            if let Some(pid) = int("systemProcessId").or_else(|| int("processId")).filter(|p| *p > 0) {
+                s.debuggee_pid.store(pid, Ordering::Release);
+            }
+        }
        "thread" => s.emit(DebugEvent::Thread {
            thread_id: int("threadId").unwrap_or(0),
            started: body.get("reason").and_then(Value::as_str) != Some("exited"),
@@ -384,12 +513,18 @@ async fn on_event(mgr: &Arc<DebugManager>, s: &Arc<Session>, event: &str, mut bo
        }
        "exited" => {}
        "terminated" => {
-            if !s.terminated.swap(true, Ordering::AcqRel) {
-                s.emit(DebugEvent::Terminated);
-            }
+            let first = !s.terminated.swap(true, Ordering::AcqRel);
            let mgr = mgr.clone();
            let s = s.clone();
-            tokio::spawn(async move { mgr.shutdown(&s, false).await });
+            // Waiting here would stop reading the adapter: it keeps sending the program's last
+            // output while the program exits. Wait off the reader task, then report the end.
+            tokio::spawn(async move {
+                if first {
+                    wait_for_debuggee(&s, true).await;
+                    s.emit(DebugEvent::Terminated);
+                }
+                mgr.shutdown(&s, false).await;
+            });
        }
        "capabilities" => {
            if let Some(new) = body.get("capabilities").and_then(Value::as_object) {
@@ -451,8 +586,25 @@ fn on_reverse_request(mgr: &Arc<DebugManager>, s: &Arc<Session>, seq: i64, comma
    }
 }

-/// `runInTerminal`: spawns the debuggee directly and forwards its output to the console.
+/// A `runInTerminal` program and the pseudo-terminal it runs in.
+pub(crate) struct ProgramTerminal {
+    writer: Box<dyn std::io::Write + Send>,
+    child: Box<dyn portable_pty::Child + Send + Sync>,
+    _master: Box<dyn portable_pty::MasterPty + Send>,
+}
+
+impl ProgramTerminal {
+    pub(crate) fn write(&mut self, text: &str) -> std::io::Result<()> {
+        self.writer.write_all(text.as_bytes())?;
+        self.writer.flush()
+    }
+}
+
+/// `runInTerminal`: starts the debuggee on a pseudo-terminal, as an IDE terminal would (CodeLLDB
+/// starts a launcher that gives the program its terminal, and the program reads input only from
+/// a terminal), forwards its output to the console, and keeps the terminal for typed input.
 pub(crate) fn run_in_terminal(s: &Arc<Session>, args: &Value) -> Result<Value, String> {
+    use portable_pty::{CommandBuilder, PtySize, native_pty_system};
    let argv: Vec<String> = args
        .get("args")
        .and_then(Value::as_array)
@@ -461,16 +613,25 @@ pub(crate) fn run_in_terminal(s: &Arc<Session>, args: &Value) -> Result<Value, S
    let Some((program, rest)) = argv.split_first() else {
        return Err("runInTerminal without args".into());
    };
-    let mut cmd = tokio::process::Command::new(program);
-    ide_core::process::prepare(cmd.as_std_mut());
-    cmd.args(rest)
-        .envs(ide_core::process::shell_env())
-        .stdin(Stdio::null())
-        .stdout(Stdio::piped())
-        .stderr(Stdio::piped())
-        .kill_on_drop(true);
-    if let Some(cwd) = args.get("cwd").and_then(Value::as_str).filter(|c| !c.is_empty()) {
-        cmd.current_dir(cwd);
+    let pair = native_pty_system()
+        .openpty(PtySize { rows: 24, cols: 200, pixel_width: 0, pixel_height: 0 })
+        .map_err(|e| format!("cannot open a terminal for {program}: {e}"))?;
+    let mut cmd = CommandBuilder::new(program);
+    // CodeLLDB's launcher clears the terminal first; the console keeps the session's earlier output.
+    cmd.args(rest.iter().filter(|a| *a != "--clear-screen"));
+    for (k, v) in ide_core::process::host_env_fixes() {
+        match v {
+            Some(v) => cmd.env(k, v),
+            None => cmd.env_remove(k),
+        }
+    }
+    for (k, v) in ide_core::process::shell_env() {
+        cmd.env(k, v);
+    }
+    cmd.env("TERM", "xterm-256color");
+    match args.get("cwd").and_then(Value::as_str).filter(|c| !c.is_empty()) {
+        Some(cwd) => cmd.cwd(cwd),
+        None => cmd.cwd(&s.spec.cwd),
    }
    if let Some(env) = args.get("env").and_then(Value::as_object) {
        for (k, v) in env {
@@ -480,18 +641,53 @@ pub(crate) fn run_in_terminal(s: &Arc<Session>, args: &Value) -> Result<Value, S
            };
        }
    }
-    let mut child = cmd.spawn().map_err(|e| format!("failed to start {program}: {e}"))?;
-    let pid = child.id();
-    if let Some(out) = child.stdout.take() {
-        forward_output(s, out, "stdout");
+    let child = pair.slave.spawn_command(cmd).map_err(|e| format!("failed to start {program}: {e}"))?;
+    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}"))?;
+    let pid = child.process_id();
+    forward_terminal_output(s, reader);
+    if let Some(mut previous) = s.program.lock().replace(ProgramTerminal { writer, child, _master: pair.master }) {
+        let _ = previous.child.kill();
    }
-    if let Some(err) = child.stderr.take() {
-        forward_output(s, err, "stderr");
-    }
-    s.debuggees.lock().push(child);
+    s.owner.sink.emit(IdeEvent::Debug { session: s.id, event: DebugEvent::ProgramInput });
    Ok(json!({ "processId": pid }))
 }

+/// The program's terminal output, as stdout lines (`\r\n` as `\n`; colours are kept).
+fn forward_terminal_output(s: &Session, mut reader: Box<dyn std::io::Read + Send>) {
+    let session = s.id;
+    let sink = s.owner.sink.clone();
+    let _ = std::thread::Builder::new().name(format!("openidea-debuggee-{}", session.0)).spawn(move || {
+        let mut buf = vec![0u8; 8192];
+        let mut pending: Vec<u8> = Vec::new();
+        loop {
+            match reader.read(&mut buf) {
+                Ok(0) | Err(_) => break,
+                Ok(n) => pending.extend_from_slice(&buf[..n]),
+            }
+            // Keep incomplete UTF-8 sequences, and a `\r` that may start a `\r\n`, for the next chunk.
+            let mut valid = match std::str::from_utf8(&pending) {
+                Ok(_) => pending.len(),
+                Err(e) if e.error_len().is_none() => e.valid_up_to(),
+                Err(_) => pending.len(),
+            };
+            if valid > 0 && pending[valid - 1] == b'\r' {
+                valid -= 1;
+            }
+            let output = String::from_utf8_lossy(&pending[..valid]).replace("\r\n", "\n");
+            pending.drain(..valid);
+            if !output.is_empty() {
+                sink.emit(IdeEvent::Debug { session, event: DebugEvent::Output { category: "stdout".into(), output } });
+            }
+        }
+        if !pending.is_empty() {
+            let output = String::from_utf8_lossy(&pending).replace("\r\n", "\n");
+            sink.emit(IdeEvent::Debug { session, event: DebugEvent::Output { category: "stdout".into(), output } });
+        }
+    });
+}
+
 fn forward_output<R: AsyncRead + Unpin + Send + 'static>(s: &Session, mut stream: R, category: &'static str) {
    let session = s.id;
    let sink = s.owner.sink.clone();
@@ -5,11 +5,16 @@ use crate::adapter::{AdapterIo, LaunchFuture};
 use ide_core::IdeEvent;
 use ide_core::event::DebugEvent;
 use ide_jsonrpc::framing;
+#[cfg(unix)]
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::time::Duration;
+#[cfg(unix)]
+use std::time::Instant;
 use tokio::io::{AsyncRead, AsyncWrite, AsyncWriteExt, BufReader};

 type Log = Arc<Mutex<Vec<Value>>>;

-#[derive(Clone, Default)]
+#[derive(Clone)]
 struct Script {
    /// Send a `runInTerminal` reverse request when `launch` arrives.
    run_in_terminal: Option<Vec<String>>,
@@ -17,6 +22,33 @@ struct Script {
    start_debugging: bool,
    ignore_configuration_done: bool,
    source_path: Option<String>,
+    /// Report this process id in the adapter's `process` event (the program being debugged).
+    debuggee_pid: Option<u32>,
+    /// java-debug's spelling of the same event.
+    java_process_id: bool,
+    /// Send one more output event right after the `terminated` event (a program still logging
+    /// while it shuts down).
+    output_after_terminate: bool,
+    /// Advertise `supportsTerminateRequest` (java-debug does not, so Stop signals the program).
+    supports_terminate: bool,
+    /// Answer `setBreakpoints` only once this many are waiting (a client that waits for each never gets one).
+    hold_set_breakpoints: usize,
+}
+
+impl Default for Script {
+    fn default() -> Self {
+        Self {
+            run_in_terminal: None,
+            start_debugging: false,
+            ignore_configuration_done: false,
+            source_path: None,
+            debuggee_pid: None,
+            java_process_id: false,
+            output_after_terminate: false,
+            supports_terminate: true,
+            hold_set_breakpoints: 0,
+        }
+    }
 }

 struct FakeLauncher {
@@ -49,6 +81,7 @@ async fn fake_adapter<S: AsyncRead + AsyncWrite + Unpin + Send + 'static>(stream
    let mut r = BufReader::new(r);
    let mut seq = 1000;
    let mut pending_launch: Option<i64> = None;
+    let mut held: Vec<Value> = Vec::new();
    macro_rules! send {
        ($v:expr) => {{
            let mut v: Value = $v;
@@ -74,7 +107,7 @@ async fn fake_adapter<S: AsyncRead + AsyncWrite + Unpin + Send + 'static>(stream
                json!({
                    "supportsConfigurationDoneRequest": true,
                    "supportsCompletionsRequest": true,
-                    "supportsTerminateRequest": true,
+                    "supportsTerminateRequest": script.supports_terminate,
                    "supportsSetVariable": true,
                    "supportsFunctionBreakpoints": true,
                    "supportsDataBreakpoints": true,
@@ -101,14 +134,20 @@ async fn fake_adapter<S: AsyncRead + AsyncWrite + Unpin + Send + 'static>(stream
                send!(json!({"type": "event", "event": "initialized"}));
            }
            "setBreakpoints" => {
-                let bps: Vec<Value> = msg["arguments"]["breakpoints"]
-                    .as_array()
-                    .unwrap()
-                    .iter()
-                    .enumerate()
-                    .map(|(i, b)| json!({"id": i + 1, "verified": true, "line": b["line"]}))
-                    .collect();
-                ok!(msg, json!({"breakpoints": bps}));
+                held.push(msg);
+                if held.len() < script.hold_set_breakpoints {
+                    continue;
+                }
+                for msg in std::mem::take(&mut held) {
+                    let bps: Vec<Value> = msg["arguments"]["breakpoints"]
+                        .as_array()
+                        .unwrap()
+                        .iter()
+                        .enumerate()
+                        .map(|(i, b)| json!({"id": i + 1, "verified": true, "line": b["line"]}))
+                        .collect();
+                    ok!(msg, json!({"breakpoints": bps}));
+                }
            }
            "setExceptionBreakpoints" => ok!(msg, json!({})),
            "setFunctionBreakpoints" | "setDataBreakpoints" => {
@@ -146,6 +185,14 @@ async fn fake_adapter<S: AsyncRead + AsyncWrite + Unpin + Send + 'static>(stream
                if let Some(l) = pending_launch.take() {
                    send!(json!({"type": "response", "request_seq": l, "command": "launch", "success": true}));
                }
+                if let Some(pid) = script.debuggee_pid {
+                    let event = if script.java_process_id {
+                        json!({"type": "event", "event": "processid", "body": {"processId": pid, "shellProcessId": pid}})
+                    } else {
+                        json!({"type": "event", "event": "process", "body": {"name": "prog", "systemProcessId": pid}})
+                    };
+                    send!(event);
+                }
                send!(json!({"type": "event", "event": "output", "body": {"category": "stdout", "output": "hello\n"}}));
                send!(
                    json!({"type": "event", "event": "stopped", "body": {"reason": "breakpoint", "threadId": 1, "allThreadsStopped": true}})
@@ -199,6 +246,11 @@ async fn fake_adapter<S: AsyncRead + AsyncWrite + Unpin + Send + 'static>(stream
            "terminate" => {
                ok!(msg, Value::Null);
                send!(json!({"type": "event", "event": "terminated"}));
+                if script.output_after_terminate {
+                    send!(
+                        json!({"type": "event", "event": "output", "body": {"category": "stdout", "output": "late\n"}})
+                    );
+                }
            }
            "disconnect" => {
                ok!(msg, Value::Null);
@@ -468,6 +520,40 @@ async fn run_in_terminal_spawns_debuggee() {
    assert!(response["body"]["processId"].as_u64().unwrap() > 0);
 }

+#[cfg(unix)]
+#[tokio::test]
+async fn run_in_terminal_program_reads_typed_input() {
+    let h = harness(Script {
+        // CodeLLDB's launcher asks to clear the terminal; the console keeps its output.
+        run_in_terminal: Some(vec![
+            "sh".into(),
+            "-c".into(),
+            "[ -t 0 ] && echo 'name?' && read name && echo \"hello $name\"".into(),
+            "--clear-screen".into(),
+        ]),
+        ..Script::default()
+    });
+    let session = h.start(config()).await.unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::ProgramInput)).await;
+    h.wait_event(|e| matches!(e, DebugEvent::Output { output, .. } if output.contains("name?"))).await;
+    h.manager.send_input(session, "Bob\n").unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::Output { output, .. } if output.contains("hello Bob"))).await;
+    let output: String = h
+        .events
+        .lock()
+        .iter()
+        .filter_map(|e| match e {
+            IdeEvent::Debug { event: DebugEvent::Output { category, output }, .. } if category == "stdout" => {
+                Some(output.clone())
+            }
+            _ => None,
+        })
+        .collect();
+    assert!(!output.contains('\r'), "{output:?}");
+    h.manager.stop(session).await.unwrap();
+    assert!(h.manager.send_input(session, "x\n").is_err());
+}
+
 #[test]
 fn launch_arguments_merge_and_defaults() {
    let mut c = config();
@@ -887,6 +973,7 @@ async fn force_stepping_suspends_breakpoints_until_the_next_stop() {
    let b = PathBuf::from("/p/b.py");
    h.manager.set_breakpoints(a.clone(), vec![bp(1)]).await.unwrap();
    h.manager.set_breakpoints(b.clone(), vec![bp(3)]).await.unwrap();
+    h.manager.set_breakpoints(PathBuf::from("/p/off.py"), vec![Breakpoint { enabled: false, ..bp(5) }]).await.unwrap();
    h.manager.set_function_breakpoints(vec![function_bp("run", true)]).await.unwrap();
    let id = h.start(config()).await.unwrap();
    h.wait_event(|e| matches!(e, DebugEvent::Stopped { .. })).await;
@@ -915,6 +1002,24 @@ async fn force_stepping_suspends_breakpoints_until_the_next_stop() {
    h.manager.run_to(id, 1, a.clone(), 9, true).await.unwrap();
    assert_eq!(sent_for("/p/a.py").last().unwrap(), &json!([{"line": 10}]));
    assert_eq!(sent_for("/p/b.py").last().unwrap(), &json!([]));
+    assert!(sent_for("/p/off.py").is_empty(), "nothing enabled there, nothing to suspend or restore");
+}
+
+#[tokio::test]
+async fn startup_sends_every_file_at_once_and_skips_files_with_nothing_enabled() {
+    let h = harness(Script { hold_set_breakpoints: 2, ..Script::default() });
+    h.manager.set_breakpoints(PathBuf::from("/p/a.py"), vec![bp(1)]).await.unwrap();
+    h.manager.set_breakpoints(PathBuf::from("/p/b.py"), vec![bp(3)]).await.unwrap();
+    let off = PathBuf::from("/p/off.py");
+    h.manager.set_breakpoints(off.clone(), vec![Breakpoint { enabled: false, ..bp(5) }]).await.unwrap();
+    // Waiting for each answer before the next request would stall until the request timeout.
+    tokio::time::timeout(Duration::from_secs(5), h.start(config())).await.expect("requests pipelined").unwrap();
+    let paths: Vec<Value> = requests(&h, "setBreakpoints").into_iter().map(|r| r["source"]["path"].clone()).collect();
+    assert_eq!(paths, [json!("/p/a.py"), json!("/p/b.py")]);
+    assert_eq!(
+        h.manager.breakpoint_states(&off),
+        [BreakpointState { line: 5, verified: false, message: Some("Disabled".into()) }]
+    );
 }

 #[tokio::test]
@@ -1285,3 +1390,221 @@ fn flutter_projects_are_found_from_the_program_or_the_working_directory() {
    assert!(!is_flutter_project(&root, None));
    std::fs::remove_dir_all(&root).unwrap();
 }
+
+#[cfg(unix)]
+#[tokio::test]
+async fn stop_waits_for_the_launched_program_to_exit() {
+    // The adapter answers `disconnect` at once; the program it started is still alive and
+    // holds its port for a while. Stop must not report the session as over before it exits.
+    // Reaped by a waiting thread: a zombie still "exists" for `kill(pid, 0)`, unlike the
+    // program an adapter starts and reaps.
+    // Ignores SIGTERM: Stop must wait for the program, not assume the signal ended it.
+    let mut child = std::process::Command::new("python3")
+        .args(["-c", "import signal,time; signal.signal(signal.SIGTERM, signal.SIG_IGN); time.sleep(1)"])
+        .spawn()
+        .unwrap();
+    let pid = child.id();
+    std::thread::spawn(move || {
+        let _ = child.wait();
+    });
+    let h = harness(Script { debuggee_pid: Some(pid), ..Default::default() });
+    let id = h.start(config()).await.unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::Initialized)).await;
+    for _ in 0..100 {
+        if h.manager.session(id).map(|s| s.debuggee_pid.load(Ordering::Acquire)).ok() == Some(i64::from(pid)) {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(10)).await;
+    }
+    tokio::time::sleep(Duration::from_millis(200)).await; // let the program install its trap
+    let started = Instant::now();
+    h.manager.stop(id).await.unwrap();
+    let elapsed = started.elapsed();
+    assert!(elapsed >= Duration::from_millis(800), "stop returned after {elapsed:?}, before the program exited");
+    assert!(elapsed < Duration::from_secs(5), "stop waited {elapsed:?} for a program that ended after a second");
+    h.wait_event(|e| matches!(e, DebugEvent::Terminated)).await;
+}
+
+#[cfg(unix)]
+#[tokio::test]
+async fn a_second_stop_kills_the_program_instead_of_waiting() {
+    let mut child = std::process::Command::new("python3")
+        .args(["-c", "import signal,time; signal.signal(signal.SIGTERM, signal.SIG_IGN); time.sleep(30)"])
+        .spawn()
+        .unwrap();
+    let pid = child.id();
+    let exited = Arc::new(AtomicBool::new(false));
+    {
+        let exited = exited.clone();
+        std::thread::spawn(move || {
+            let _ = child.wait();
+            exited.store(true, Ordering::Release);
+        });
+    }
+    let h = harness(Script { debuggee_pid: Some(pid), ..Default::default() });
+    let id = h.start(config()).await.unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::Initialized)).await;
+    for _ in 0..100 {
+        if h.manager.session(id).map(|s| s.debuggee_pid.load(Ordering::Acquire)).ok() == Some(i64::from(pid)) {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(10)).await;
+    }
+    tokio::time::sleep(Duration::from_millis(400)).await;
+    let first = tokio::spawn({
+        let manager = h.manager.clone();
+        async move { manager.stop(id).await }
+    });
+    tokio::time::sleep(Duration::from_millis(300)).await;
+    assert!(!exited.load(Ordering::Acquire), "the program is still alive while the first Stop waits");
+    let started = Instant::now();
+    h.manager.stop(id).await.unwrap();
+    let first_result = tokio::time::timeout(Duration::from_secs(5), first).await.expect("the first Stop returns");
+    first_result.unwrap().unwrap();
+    assert!(started.elapsed() < Duration::from_secs(2), "a second Stop does not wait out the program");
+    for _ in 0..100 {
+        if exited.load(Ordering::Acquire) {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(10)).await;
+    }
+    assert!(exited.load(Ordering::Acquire), "the second Stop killed the program");
+}
+
+#[cfg(unix)]
+#[tokio::test]
+async fn stop_waits_for_the_program_when_the_adapter_uses_javas_processid_event() {
+    // Ignores SIGTERM: Stop must wait for the program, not assume the signal ended it.
+    let mut child = std::process::Command::new("python3")
+        .args(["-c", "import signal,time; signal.signal(signal.SIGTERM, signal.SIG_IGN); time.sleep(1)"])
+        .spawn()
+        .unwrap();
+    let pid = child.id();
+    std::thread::spawn(move || {
+        let _ = child.wait();
+    });
+    let h = harness(Script { debuggee_pid: Some(pid), java_process_id: true, ..Default::default() });
+    let id = h.start(config()).await.unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::Initialized)).await;
+    for _ in 0..100 {
+        if h.manager.session(id).map(|s| s.debuggee_pid.load(Ordering::Acquire)).ok() == Some(i64::from(pid)) {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(10)).await;
+    }
+    tokio::time::sleep(Duration::from_millis(200)).await;
+    let started = Instant::now();
+    h.manager.stop(id).await.unwrap();
+    assert!(
+        started.elapsed() >= Duration::from_millis(800),
+        "stop returned after {:?}, before the program exited",
+        started.elapsed()
+    );
+}
+
+#[cfg(unix)]
+#[tokio::test]
+async fn output_keeps_arriving_while_a_stopped_program_is_exiting() {
+    // Ignores SIGTERM: Stop must wait for the program, not assume the signal ended it.
+    let mut child = std::process::Command::new("python3")
+        .args(["-c", "import signal,time; signal.signal(signal.SIGTERM, signal.SIG_IGN); time.sleep(1)"])
+        .spawn()
+        .unwrap();
+    let pid = child.id();
+    std::thread::spawn(move || {
+        let _ = child.wait();
+    });
+    let h = harness(Script { debuggee_pid: Some(pid), output_after_terminate: true, ..Default::default() });
+    let id = h.start(config()).await.unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::Initialized)).await;
+    for _ in 0..100 {
+        if h.manager.session(id).map(|s| s.debuggee_pid.load(Ordering::Acquire)).ok() == Some(i64::from(pid)) {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(10)).await;
+    }
+    let started = Instant::now();
+    let stop = tokio::spawn({
+        let manager = h.manager.clone();
+        async move { manager.stop(id).await }
+    });
+    // The last line must reach the console while Stop still waits for the program.
+    h.wait_event(|e| matches!(e, DebugEvent::Output { output, .. } if output == "late\n")).await;
+    assert!(started.elapsed() < Duration::from_millis(800), "output arrived only after the program was gone");
+    stop.await.unwrap().unwrap();
+}
+
+#[tokio::test]
+async fn closing_a_project_stops_the_debug_sessions_it_started() {
+    let h = harness(Script::default());
+    let id = h.start(config()).await.unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::Initialized)).await;
+    // The session's cwd is /p, whatever key it was started under.
+    h.manager.stop_under(Path::new("/p")).await;
+    h.wait_event(|e| matches!(e, DebugEvent::Terminated)).await;
+    assert!(h.manager.sessions(None).is_empty(), "session {id:?} is gone");
+}
+
+#[cfg(unix)]
+#[tokio::test]
+async fn stop_kills_the_program_started_by_the_reported_launcher() {
+    use std::io::BufRead;
+    // java-debug reports the launcher shell; the JVM is its child. Stopping only the reported
+    // pid orphans the program, which keeps running (and keeps its ports).
+    let mut launcher = std::process::Command::new("sh")
+        .args(["-c", "python3 -c 'import time; time.sleep(30)' & echo $!; wait"])
+        .stdout(std::process::Stdio::piped())
+        .spawn()
+        .unwrap();
+    let launcher_pid = launcher.id();
+    let mut line = String::new();
+    std::io::BufReader::new(launcher.stdout.take().unwrap()).read_line(&mut line).unwrap();
+    let program: i32 = line.trim().parse().expect("child pid");
+    // Reap the launcher: a zombie still "exists" for `kill(pid, 0)`, unlike the shell jdtls reaps.
+    std::thread::spawn(move || {
+        let _ = launcher.wait();
+    });
+
+    let h = harness(Script {
+        debuggee_pid: Some(launcher_pid),
+        supports_terminate: false, // java-debug does not advertise it
+        ..Default::default()
+    });
+    let id = h.start(config()).await.unwrap();
+    h.wait_event(|e| matches!(e, DebugEvent::Initialized)).await;
+    for _ in 0..100 {
+        if h.manager.session(id).map(|s| s.debuggee_pid.load(Ordering::Acquire)).ok() == Some(i64::from(launcher_pid)) {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(10)).await;
+    }
+    h.manager.stop(id).await.unwrap();
+    let deadline = Instant::now() + Duration::from_secs(5);
+    while unsafe { libc::kill(program, 0) } == 0 {
+        assert!(Instant::now() < deadline, "the program the launcher started survived stop");
+        tokio::time::sleep(Duration::from_millis(50)).await;
+    }
+}
+
+#[test]
+fn delve_leftovers_are_removed_without_touching_other_files() {
+    let dir = std::env::temp_dir().join(format!("openidea-delve-bin-{}", std::process::id()));
+    std::fs::create_dir_all(&dir).unwrap();
+    for name in ["__debug_bin", "__debug_bin.exe", "__debug_bin.exe3323301925"] {
+        std::fs::write(dir.join(name), b"bin").unwrap();
+    }
+    // Lookalikes that are not Delve's own binaries stay: sources, a future
+    // in-progress build, and a directory that happens to share the name.
+    for name in ["__debug_bin.go", "__debug_bin.go.exe", "main.go"] {
+        std::fs::write(dir.join(name), b"keep").unwrap();
+    }
+    std::fs::create_dir(dir.join("__debug_bin.dir")).unwrap();
+    remove_delve_binaries(&dir);
+    for name in ["__debug_bin", "__debug_bin.exe", "__debug_bin.exe3323301925"] {
+        assert!(!dir.join(name).exists(), "{name} should be gone");
+    }
+    for name in ["__debug_bin.go", "__debug_bin.go.exe", "main.go", "__debug_bin.dir"] {
+        assert!(dir.join(name).exists(), "{name} should stay");
+    }
+    std::fs::remove_dir_all(&dir).unwrap();
+}
@@ -0,0 +1,140 @@
+//! Drives php-debug (vscode-php-debug) the way a PHP Remote Debug (Xdebug)
+//! configuration does: a launch without a program makes it listen, and every PHP
+//! run that Xdebug connects stops at the breakpoint set in the local copy of the
+//! file, through `pathMappings`, until the session is stopped. A second listener on
+//! the same port fails to start and names the port.
+//!
+//! Ignored by default (needs PHP with Xdebug 3, Node.js and php-debug). Run with
+//! `PHP_DEBUG_ADAPTER=<php-debug-adapter> cargo test -p ide-dap --test php_debug -- --ignored --nocapture`
+//! (`PHP_BIN` picks the PHP executable, default `php`).
+
+use ide_core::event::DebugEvent;
+use ide_core::ipc_path::to_ipc;
+use ide_core::{IdeEvent, SharedSink};
+use ide_dap::*;
+use ide_language::LanguageRegistry;
+use parking_lot::Mutex;
+use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
+use std::sync::Arc;
+use std::time::{Duration, Instant};
+
+const SCRIPT: &str = "<?php\n$greeting = \"hello\";\n$n = 40 + 2;\necho \"$greeting $n\\n\";\n";
+/// 0-based line of `$n = 40 + 2;`.
+const BREAK_LINE: u32 = 2;
+
+async fn wait_for(events: &Mutex<Vec<IdeEvent>>, timeout: Duration, pred: impl Fn(&DebugEvent) -> bool) -> DebugEvent {
+    let start = Instant::now();
+    loop {
+        if let Some(e) = events.lock().iter().find_map(|e| match e {
+            IdeEvent::Debug { event, .. } if pred(event) => Some(event.clone()),
+            _ => None,
+        }) {
+            return e;
+        }
+        assert!(start.elapsed() < timeout, "timed out; events: {:#?}", events.lock());
+        tokio::time::sleep(Duration::from_millis(50)).await;
+    }
+}
+
+fn listen_config(port: u16, served: &Path, local: &Path) -> LaunchConfig {
+    // As remote.ts builds it for Remote root = `served`, Local root = `local`.
+    let mapping = serde_json::Map::from_iter([(to_ipc(served), to_ipc(local).into())]);
+    LaunchConfig {
+        name: "PHP Remote".into(),
+        adapter: "php-debug".into(),
+        request: "launch".into(),
+        program: None,
+        args: vec![],
+        cwd: Some(local.to_path_buf().into()),
+        env: BTreeMap::new(),
+        extra_json: Some(serde_json::json!({ "port": port, "pathMappings": mapping }).to_string()),
+    }
+}
+
+#[tokio::test(flavor = "multi_thread")]
+#[ignore]
+async fn listens_for_xdebug_until_stopped_with_path_mappings() {
+    let Ok(adapter) = std::env::var("PHP_DEBUG_ADAPTER") else {
+        eprintln!("PHP_DEBUG_ADAPTER not set; skipping");
+        return;
+    };
+    let php = std::env::var("PHP_BIN").unwrap_or_else(|_| "php".into());
+    let dir = tempfile::tempdir().unwrap();
+    // The project here, and the copy PHP runs from (a container's /var/www/html).
+    let (local, served) = (dir.path().join("local"), dir.path().join("served"));
+    for d in [&local, &served] {
+        std::fs::create_dir_all(d).unwrap();
+        std::fs::write(d.join("index.php"), SCRIPT).unwrap();
+    }
+    // Resolved like the project root the UI sends (`/private/var` on macOS, no `\\?\` on Windows).
+    let resolved = |p: &Path| PathBuf::from(to_ipc(&std::fs::canonicalize(p).unwrap()));
+    let (local, served) = (resolved(&local), resolved(&served));
+    let port = std::net::TcpListener::bind(("127.0.0.1", 0)).unwrap().local_addr().unwrap().port();
+
+    let manager = DebugManager::new(Arc::new(LanguageRegistry::load(None).unwrap()));
+    let events: Arc<Mutex<Vec<IdeEvent>>> = Arc::default();
+    let sink: SharedSink = {
+        let events = events.clone();
+        Arc::new(move |e: IdeEvent| events.lock().push(e))
+    };
+    let local_script = local.join("index.php");
+    manager
+        .set_breakpoints(
+            local_script.clone(),
+            vec![Breakpoint {
+                line: BREAK_LINE,
+                condition: None,
+                hit_condition: None,
+                log_message: None,
+                enabled: true,
+            }],
+        )
+        .await
+        .unwrap();
+    let id = manager
+        .start_with(listen_config(port, &served, &local), SessionOwner::new("main", sink.clone()), |_| {
+            Some(adapter.clone())
+        })
+        .await
+        .unwrap_or_else(|e| panic!("start: {e:?}"));
+
+    // Requests in a row each stop; the session keeps listening between them.
+    for request in 1..=2 {
+        events.lock().clear();
+        let run = std::process::Command::new(&php)
+            .args([
+                "-dxdebug.mode=debug",
+                "-dxdebug.start_with_request=yes",
+                "-dxdebug.client_host=127.0.0.1",
+                &format!("-dxdebug.client_port={port}"),
+                "index.php",
+            ])
+            .current_dir(&served)
+            .stdout(std::process::Stdio::piped())
+            .spawn()
+            .unwrap();
+        let stopped = wait_for(&events, Duration::from_secs(30), |e| matches!(e, DebugEvent::Stopped { .. })).await;
+        let DebugEvent::Stopped { thread_id, .. } = stopped else { unreachable!() };
+        let frames = manager.stack_trace(id, thread_id).await.unwrap();
+        assert_eq!(frames[0].line, BREAK_LINE, "request {request}");
+        let top = frames[0].path.as_deref().and_then(|p| p.canonicalize().ok());
+        assert_eq!(top, local_script.canonicalize().ok(), "request {request}");
+        manager.resume(id, thread_id).await.unwrap();
+        wait_for(&events, Duration::from_secs(30), |e| matches!(e, DebugEvent::Thread { started: false, .. })).await;
+        let out = run.wait_with_output().unwrap();
+        assert_eq!(String::from_utf8_lossy(&out.stdout), "hello 42\n", "request {request}");
+        assert!(manager.sessions(None).iter().any(|s| s.id == id), "still listening after request {request}");
+    }
+
+    // Another listener on the port (another IDE): the start fails and says why.
+    let err = manager
+        .start_with(listen_config(port, &served, &local), SessionOwner::new("main", sink), |_| Some(adapter.clone()))
+        .await
+        .expect_err("a second listener on the same port");
+    assert!(err.message.contains("EADDRINUSE") && err.message.ends_with(&format!(":{port}")), "{err:?}");
+    assert_eq!(manager.sessions(None).len(), 1);
+
+    manager.stop(id).await.unwrap();
+    assert!(manager.sessions(None).is_empty());
+}
@@ -17,6 +17,7 @@ parking_lot.workspace = true
 futures.workspace = true
 sqlx.workspace = true
 tiberius.workspace = true
+oracle.workspace = true
 bb8.workspace = true
 tokio-util = { workspace = true, features = ["compat"] }
 dirs.workspace = true
@@ -107,6 +107,7 @@ pub enum Pool {
    Mysql(MySqlPool),
    SqlServer(Bb8Pool<MssqlConnectionManager>),
    Clickhouse(crate::clickhouse::ClickhousePool),
+    Oracle(crate::oracle::OraclePool),
 }

 /// Runs `$body` with `$p` bound to the concrete pool of each driver.
@@ -116,7 +117,7 @@ macro_rules! with_pool {
            Pool::Sqlite($p) => $body,
            Pool::Postgres($p) => $body,
            Pool::Mysql($p) => $body,
-            Pool::SqlServer(_) | Pool::Clickhouse(_) => unreachable!(),
+            Pool::SqlServer(_) | Pool::Clickhouse(_) | Pool::Oracle(_) => unreachable!(),
        }
    };
 }
@@ -262,7 +263,7 @@ fn tiberius_cell(cell: &tiberius::ColumnData<'_>, ty: tiberius::ColumnType) -> O
    }
 }

-fn hex(bytes: &[u8]) -> String {
+pub(crate) fn hex(bytes: &[u8]) -> String {
    let mut s = String::with_capacity(2 + bytes.len() * 2);
    s.push_str("0x");
    for b in bytes {
@@ -386,7 +387,7 @@ macro_rules! fetch {
 }

 /// Columns, rows, rows affected, more rows beyond the limit, time of the first answer.
-type Fetched = (Vec<ResultColumn>, Vec<Vec<Option<String>>>, Option<u64>, bool, Option<Instant>);
+pub(crate) type Fetched = (Vec<ResultColumn>, Vec<Vec<Option<String>>>, Option<u64>, bool, Option<Instant>);

 async fn mssql_command(conn: &mut MssqlClient, sql: &str) -> IdeResult<()> {
    // Transaction control must be a batch: sp_executesql rejects a changed transaction count.
@@ -503,6 +504,18 @@ impl Setup {
                }
            }
            DbDriver::Mysql if source.read_only => s.statements.push("SET SESSION TRANSACTION READ ONLY".into()),
+            DbDriver::Oracle => {
+                let schema = o.default_schema.trim();
+                if !schema.is_empty() {
+                    if !is_identifier(schema) {
+                        return Err(IdeError::invalid(format!("invalid schema name: {schema}")));
+                    }
+                    s.statements.push(format!("ALTER SESSION SET CURRENT_SCHEMA = {schema}"));
+                }
+                if !o.time_zone.trim().is_empty() {
+                    s.statements.push(format!("ALTER SESSION SET TIME_ZONE = {}", mysql_value(o.time_zone.trim())));
+                }
+            }
            _ => {}
        }
        for p in &source.properties {
@@ -527,6 +540,9 @@ impl Setup {
                (DbDriver::Mysql, "charset") => s.charset = Some(value.to_owned()),
                (DbDriver::Mysql, "collation") => s.collation = Some(value.to_owned()),
                (DbDriver::Mysql, _) => s.statements.push(format!("SET SESSION {name} = {}", mysql_value(value))),
+                (DbDriver::Oracle, _) => {
+                    s.statements.push(format!("ALTER SESSION SET {name} = {}", mysql_value(value)))
+                }
                _ => s.params.push((name, value.to_owned())),
            }
        }
@@ -549,6 +565,15 @@ impl Pool {
            Pool::Mysql(_) => DbDriver::Mysql,
            Pool::SqlServer(_) => DbDriver::SqlServer,
            Pool::Clickhouse(_) => DbDriver::Clickhouse,
+            Pool::Oracle(_) => DbDriver::Oracle,
+        }
+    }
+
+    /// The keep-alive ping (Oracle needs a FROM clause).
+    pub fn ping_sql(&self) -> &'static str {
+        match self {
+            Pool::Oracle(_) => "SELECT 1 FROM DUAL",
+            _ => "SELECT 1",
        }
    }

@@ -559,6 +584,9 @@ impl Pool {
        if source.driver == DbDriver::Clickhouse {
            return crate::clickhouse::ClickhousePool::connect(source, password, setup).await.map(Pool::Clickhouse);
        }
+        if source.driver == DbDriver::Oracle {
+            return crate::oracle::OraclePool::connect(source, password, &setup).await.map(Pool::Oracle);
+        }
        let timeout = setup.connect_timeout.unwrap_or(Duration::from_secs(30));
        let init = Arc::new(setup.statements);
        // Runs the session statements (startup script…) on every new connection.
@@ -721,12 +749,13 @@ impl Pool {
                Ok(Pool::SqlServer(pool))
            }
            DbDriver::Clickhouse => unreachable!(),
+            DbDriver::Oracle => unreachable!(),
        }
    }

    pub async fn close(&self) {
        match self {
-            Pool::SqlServer(_) => {}
+            Pool::SqlServer(_) | Pool::Oracle(_) => {}
            Pool::Clickhouse(p) => p.close(),
            _ => with_pool!(self, p => p.close().await),
        }
@@ -735,6 +764,7 @@ impl Pool {
    pub fn is_closed(&self) -> bool {
        match self {
            Pool::SqlServer(_) => false,
+            Pool::Oracle(p) => p.is_closed(),
            Pool::Clickhouse(p) => p.is_closed(),
            _ => with_pool!(self, p => p.is_closed()),
        }
@@ -745,6 +775,11 @@ impl Pool {
        if let Pool::Clickhouse(p) = self {
            return Ok(p.execute(sql, max, &CancellationToken::new()).await?.rows);
        }
+        if let Pool::Oracle(p) = self {
+            let mut conn = p.get().await?;
+            let fetched = crate::oracle::run(&mut conn, sql, 0, max, Cells::Text, &CancellationToken::new()).await?;
+            return Ok(fetched.1);
+        }
        let fetched: IdeResult<Fetched> = match self {
            Pool::SqlServer(p) => {
                let mut conn = p.get_owned().await.map_err(mssql_pool_err)?;
@@ -811,6 +846,15 @@ impl Pool {
                }
                result
            }
+            Pool::Oracle(p) => {
+                let mut conn = p.get().await?;
+                let result = crate::oracle::transaction(&mut conn, statements).await;
+                if result.is_err() {
+                    // An open transaction must never return to the pool with the connection.
+                    conn.discard_inner();
+                }
+                result
+            }
            _ => with_pool!(self, p => {
                let mut tx = p.begin().await.map_err(db_err)?;
                let mut total = 0;
@@ -838,6 +882,7 @@ pub enum Held {
    Mysql(PoolConnection<MySql>),
    SqlServer(Box<bb8::PooledConnection<'static, MssqlConnectionManager>>),
    Clickhouse(crate::clickhouse::ClickhousePool),
+    Oracle(crate::oracle::OracleConnection),
 }

 impl Held {
@@ -853,6 +898,7 @@ impl Held {
                }
                Held::Clickhouse(p.clone())
            }
+            Pool::Oracle(p) => Held::Oracle(p.get().await?),
        })
    }

@@ -861,13 +907,20 @@ impl Held {
        match self {
            Held::SqlServer(c) => mssql_command(c, sql).await,
            Held::Clickhouse(_) => Err(crate::clickhouse::transaction_error()),
+            Held::Oracle(c) => {
+                let sql = sql.trim();
+                if sql.is_empty() {
+                    return Ok(()); // Oracle transactions open implicitly.
+                }
+                crate::oracle::run(c, sql, 0, 0, Cells::Text, &CancellationToken::new()).await.map(drop)
+            }
            other => {
                let sql = sqlx::AssertSqlSafe(sql.to_owned());
                match other {
                    Held::Sqlite(c) => sqlx::raw_sql(sql).execute(&mut **c).await.map(drop),
                    Held::Postgres(c) => sqlx::raw_sql(sql).execute(&mut **c).await.map(drop),
                    Held::Mysql(c) => sqlx::raw_sql(sql).execute(&mut **c).await.map(drop),
-                    Held::SqlServer(_) | Held::Clickhouse(_) => unreachable!(),
+                    Held::SqlServer(_) | Held::Clickhouse(_) | Held::Oracle(_) => unreachable!(),
                }
                .map_err(db_err)
            }
@@ -889,6 +942,7 @@ impl Held {
                c.0.take();
            }
            Held::Clickhouse(_) => {}
+            Held::Oracle(mut c) => c.discard_inner(),
        }
    }

@@ -959,6 +1013,7 @@ impl Held {
                    () = cancel.cancelled() => return Err(IdeError::cancelled()),
                }
            }
+            Held::Oracle(c) => crate::oracle::run(c, sql, skip, max_rows, Cells::Display, cancel).await?,
            Held::Clickhouse(_) => unreachable!(),
        };
        let (columns, rows, affected, has_more, first) = fetched;
@@ -980,6 +1035,7 @@ pub fn begin_statement(driver: DbDriver) -> &'static str {
    match driver {
        DbDriver::Mysql => "START TRANSACTION",
        DbDriver::SqlServer => "BEGIN TRAN",
+        DbDriver::Oracle => "", // opens implicitly with autocommit off
        DbDriver::Sqlite | DbDriver::Postgres | DbDriver::Clickhouse => "BEGIN",
    }
 }
@@ -5,6 +5,7 @@
 mod clickhouse;
 pub mod conn;
 pub mod history;
+mod oracle;
 pub mod plan;
 pub mod secrets;
 pub mod source;
@@ -303,7 +304,7 @@ fn keep_alive(pool: &Arc<Pool>, every: Duration) {
        loop {
            tick.tick().await;
            let Some(p) = pool.upgrade().filter(|p| !p.is_closed()) else { break };
-            if let Err(e) = p.rows("SELECT 1", 1).await {
+            if let Err(e) = p.rows(p.ping_sql(), 1).await {
                tracing::debug!("keep-alive: {}", e.message);
            }
        }
@@ -614,6 +615,7 @@ impl DbManager {
            DbDriver::Postgres | DbDriver::Clickhouse => "SELECT version()",
            DbDriver::Mysql => "SELECT CONCAT(@@version_comment, ' ', VERSION())",
            DbDriver::SqlServer => "SELECT @@VERSION",
+            DbDriver::Oracle => "SELECT banner FROM v$version WHERE banner LIKE 'Oracle%' AND ROWNUM = 1",
        };
        let result = pool.rows(version, 1).await;
        pool.close().await;
@@ -905,6 +907,33 @@ impl DbManager {
                    .next();
                ddl.map(|d| format!("{d};\n")).ok_or_else(missing)
            }
+            DbDriver::Oracle => {
+                let (s, n) = (sql::quote_literal(driver, schema), sql::quote_literal(driver, name));
+                let kind = pool
+                    .rows(
+                        &format!(
+                            "SELECT object_type FROM all_objects WHERE owner = {s} AND object_name = {n} \
+                             AND object_type IN ('TABLE', 'VIEW') AND ROWNUM = 1"
+                        ),
+                        1,
+                    )
+                    .await?
+                    .into_iter()
+                    .next()
+                    .and_then(|r| r.into_iter().next().flatten())
+                    .ok_or_else(missing)?;
+                let ddl = cells(
+                    pool.rows(
+                        &format!("SELECT DBMS_METADATA.GET_DDL('{}', {n}, {s}) FROM DUAL", kind.replace('\'', "''")),
+                        1,
+                    )
+                    .await?,
+                    0,
+                )
+                .into_iter()
+                .next();
+                ddl.map(|d| format!("{};\n", d.trim_end().trim_end_matches(';'))).ok_or_else(missing)
+            }
            DbDriver::Postgres => {
                let rel = pool.rows(&sql::postgres_relation(schema, name), 1).await?.into_iter().next();
                let (oid, kind) = match rel.as_deref() {
@@ -1057,6 +1086,29 @@ impl DbManager {
    /// The execution plan of `statement` (explained, not run).
    pub async fn explain(&self, id: &str, statement: &str, cancel: &CancellationToken) -> IdeResult<Vec<PlanNode>> {
        let driver = self.pool(id).await?.driver();
+        if driver == DbDriver::Oracle {
+            // EXPLAIN PLAN writes PLAN_TABLE; the plan is read (and cleaned up) separately.
+            let plan_id = format!(
+                "OPENIDEA{}",
+                std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).map_or(0, |d| d.subsec_nanos())
+            );
+            self.run(
+                id,
+                &format!(
+                    "EXPLAIN PLAN SET STATEMENT_ID = '{}' FOR {}",
+                    plan_id,
+                    statement.trim().trim_end_matches(';')
+                ),
+                0,
+                MAX_META_ROWS,
+                cancel,
+            )
+            .await?;
+            let result = self.run(id, &plan::oracle_plan_query(&plan_id), 0, MAX_META_ROWS, cancel).await?;
+            let nodes = plan::parse(driver, &result);
+            let _ = self.run(id, &plan::oracle_plan_cleanup(&plan_id), 0, 0, cancel).await;
+            return nodes;
+        }
        let result = self.run(id, &plan::explain_statement(driver, statement), 0, MAX_META_ROWS, cancel).await?;
        plan::parse(driver, &result)
    }
@@ -0,0 +1,639 @@
+//! Oracle connections through the synchronous `rust-oracle` driver (ODPI-C).
+//! The Oracle client library (Instant Client) is loaded once per process from
+//! the Options tab or `ORACLE_HOME`; every blocking call runs on the blocking
+//! pool, and cancelling a statement closes its connection.
+
+use crate::conn::{Cells, Fetched, ResultColumn, Setup, hex};
+use crate::source::{DataSource, DbDriver, DbTxMode};
+use bb8::ManageConnection;
+use ide_core::{CancellationToken, IdeError, IdeResult, error::ErrorKind};
+use oracle::sql_type::{Blob, Clob, OracleType};
+use std::io::Read;
+use std::path::PathBuf;
+use std::sync::Arc;
+use std::time::{Duration, Instant};
+use tokio::sync::mpsc;
+
+/// Characters of a LOB column shown in the grid; catalog text reads more.
+const MAX_GRID_LOB: u64 = 4096;
+const MAX_TEXT_LOB: u64 = 1 << 16;
+
+/// Everything a new connection needs, built once per pool.
+#[derive(Debug)]
+struct State {
+    user: String,
+    password: String,
+    /// EZConnect `//host:port/service`, a TNS descriptor or an alias.
+    connect: String,
+    init: Vec<String>,
+    auto_commit: bool,
+    read_only: bool,
+    statement_cache: Option<u32>,
+    timeout: Duration,
+}
+
+impl State {
+    fn of(source: &DataSource, password: Option<&str>, setup: &Setup) -> IdeResult<Self> {
+        let user = source.user.trim();
+        if user.is_empty() {
+            return Err(IdeError::invalid("Oracle data sources need a user name"));
+        }
+        Ok(Self {
+            user: user.to_owned(),
+            password: password.unwrap_or_default().to_owned(),
+            connect: connect_string(source),
+            init: setup.statements.clone(),
+            auto_commit: source.options.transaction != DbTxMode::Manual,
+            read_only: source.read_only,
+            statement_cache: setup.statement_cache.map(|n| n as u32),
+            timeout: setup.connect_timeout.unwrap_or(Duration::from_secs(30)),
+        })
+    }
+}
+
+/// `//host:port/service`; the database field may also hold a TNS descriptor or alias.
+fn connect_string(source: &DataSource) -> String {
+    let db = source.database.trim();
+    if db.starts_with('(') || db.contains('=') {
+        return db.to_owned();
+    }
+    let host = if source.host.trim().is_empty() { "localhost" } else { source.host.trim() };
+    let port = source.port.unwrap_or(1521);
+    if db.is_empty() { format!("//{host}:{port}") } else { format!("//{host}:{port}/{db}") }
+}
+
+/// The expanded Instant Client directory, `None` when the search path is used.
+fn client_dir(dir: &str) -> IdeResult<Option<String>> {
+    let dir = dir.trim();
+    if dir.is_empty() {
+        return Ok(None);
+    }
+    let expanded: PathBuf = ide_ssh::expand(dir);
+    if !expanded.is_dir() {
+        return Err(IdeError::invalid(format!("Oracle Instant Client directory not found: {}", expanded.display())));
+    }
+    Ok(Some(expanded.to_string_lossy().into_owned()))
+}
+
+/// Loads the Oracle client once per process; the first data source's directory wins.
+/// Failures are not cached: a corrected directory works without restarting.
+fn init_client(dir: &str) -> IdeResult<()> {
+    static LOADED: std::sync::Mutex<Option<String>> = std::sync::Mutex::new(None);
+    let dir = dir.trim();
+    let mut loaded = LOADED.lock().unwrap_or_else(|e| e.into_inner());
+    if let Some(used) = loaded.as_deref() {
+        if !dir.is_empty() && !used.is_empty() && used != dir {
+            tracing::warn!("Oracle client already loaded from {used}; ignoring {dir}");
+        }
+        return Ok(());
+    }
+    let mut params = oracle::InitParams::new();
+    if let Some(lib_dir) = client_dir(dir)? {
+        params
+            .oracle_client_lib_dir(lib_dir)
+            .map_err(|e| IdeError::invalid(format!("Oracle Instant Client directory: {e}")))?;
+    }
+    params.init().map_err(|e| {
+        let hint = if e.to_string().contains("DPI-1047") {
+            format!("{e} — set the Instant Client directory (Options tab) or ORACLE_HOME")
+        } else {
+            e.to_string()
+        };
+        IdeError::new(ErrorKind::Io, format!("Oracle client: {hint}"))
+    })?;
+    *loaded = Some(dir.to_owned());
+    Ok(())
+}
+
+/// `rust-oracle` errors are not `Sync`; the pool wants a shareable error.
+#[derive(Debug, Clone)]
+pub struct OracleError(Arc<oracle::Error>);
+
+impl OracleError {
+    fn new(e: oracle::Error) -> Self {
+        Self(Arc::new(e))
+    }
+
+    fn message(msg: impl Into<String>) -> Self {
+        Self::new(oracle::Error::new(oracle::ErrorKind::InvalidArgument, msg.into()))
+    }
+
+    fn into_ide(self) -> IdeError {
+        oracle_err(clone_db(&self.0))
+    }
+}
+
+/// Database errors (the interesting ones) rebuild cheaply for cloning.
+fn clone_db(e: &oracle::Error) -> oracle::Error {
+    match e.db_error() {
+        Some(db) => oracle::Error::new(oracle::ErrorKind::OciError, db.message().to_owned()),
+        None => message_error(&e.to_string()),
+    }
+}
+
+fn message_error(msg: &str) -> oracle::Error {
+    oracle::Error::new(oracle::ErrorKind::InvalidArgument, msg.to_owned())
+}
+
+/// Wrong or missing password: ORA-01017 / ORA-01005; unreachable server: ORA-12xxx / ORA-31xx.
+pub(crate) fn oracle_err(e: oracle::Error) -> IdeError {
+    let Some(db) = e.db_error() else {
+        return IdeError::new(ErrorKind::InvalidInput, e.to_string());
+    };
+    let msg = db.message().to_owned();
+    if msg.contains("DPI-1047") {
+        return IdeError::new(
+            ErrorKind::Io,
+            format!("{msg} — set the Instant Client directory (Options tab) or ORACLE_HOME"),
+        );
+    }
+    let code = db.code();
+    let full = format!("[ORA-{code:05}] {msg}");
+    match code {
+        1005 | 1017 | 28000 | 28001 => IdeError::new(ErrorKind::PermissionDenied, full),
+        12150..=12199 | 12537 | 12540 | 12541 | 12543 | 12545 | 3113 | 3114 => IdeError::new(ErrorKind::Io, full),
+        _ => IdeError::new(ErrorKind::InvalidInput, full),
+    }
+}
+
+#[derive(Debug)]
+pub struct OraclePool {
+    state: Arc<State>,
+    pool: Arc<bb8::Pool<OracleConnectionManager>>,
+}
+
+impl OraclePool {
+    pub(crate) async fn connect(source: &DataSource, password: Option<&str>, setup: &Setup) -> IdeResult<Self> {
+        init_client(&source.options.instant_client)?;
+        let state = Arc::new(State::of(source, password, setup)?);
+        let pool = bb8::Pool::builder()
+            .max_size(4)
+            .connection_timeout(state.timeout)
+            .build(OracleConnectionManager(state.clone()))
+            .await
+            .map_err(|e| e.into_ide())?;
+        // bb8 connects lazily and reports failed attempts as a bare timeout, which
+        // would turn a wrong password into "timed out connecting to the database".
+        let opened = tokio::task::spawn_blocking({
+            let state = state.clone();
+            move || open(&state)
+        })
+        .await
+        .map_err(|e| IdeError::internal(format!("Oracle connect task: {e}")))?
+        .map_err(oracle_err)?;
+        let _ = pool.add(OracleHandle { conn: Some(opened) });
+        Ok(Self { state, pool: Arc::new(pool) })
+    }
+
+    /// A connection taken out of the pool for one statement or a held session.
+    pub async fn get(&self) -> IdeResult<OracleConnection> {
+        let pooled = self.pool.get_owned().await.map_err(|e| pool_err(e).into_ide())?;
+        Ok(OracleConnection { state: self.state.clone(), pooled })
+    }
+
+    pub fn is_closed(&self) -> bool {
+        let state = self.pool.state();
+        state.connections == 0 && state.idle_connections == 0
+    }
+}
+
+fn pool_err(e: bb8::RunError<OracleError>) -> OracleError {
+    match e {
+        bb8::RunError::User(e) => e,
+        bb8::RunError::TimedOut => OracleError::message("timed out connecting to the database"),
+    }
+}
+
+/// A pooled connection's payload; `conn` is `None` once the connection is
+/// discarded (a cancelled statement leaves it in the blocking task).
+pub struct OracleHandle {
+    conn: Option<oracle::Connection>,
+}
+
+pub struct OracleConnectionManager(Arc<State>);
+
+impl ManageConnection for OracleConnectionManager {
+    type Connection = OracleHandle;
+    type Error = OracleError;
+
+    async fn connect(&self) -> Result<Self::Connection, Self::Error> {
+        let state = self.0.clone();
+        let opened = tokio::task::spawn_blocking(move || open(&state))
+            .await
+            .map_err(|e| OracleError::message(format!("Oracle connect task: {e}")))?;
+        let conn = opened.map_err(OracleError::new)?;
+        Ok(OracleHandle { conn: Some(conn) })
+    }
+
+    async fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
+        let state = self.0.clone();
+        let Some(raw) = conn.conn.take() else {
+            return Err(OracleError::message("Oracle connection is closed"));
+        };
+        let ping = tokio::time::timeout(
+            state.timeout,
+            tokio::task::spawn_blocking(move || {
+                let result = (|| -> oracle::Result<()> {
+                    // `execute` rejects selects, so read one row.
+                    let mut stmt = raw.statement("SELECT 1 FROM DUAL").build()?;
+                    let mut rows = stmt.query(&[])?;
+                    if let Some(row) = rows.next() {
+                        row?;
+                    }
+                    Ok(())
+                })();
+                (raw, result)
+            }),
+        )
+        .await;
+        match ping {
+            Ok(Ok((raw, Ok(())))) => {
+                conn.conn = Some(raw);
+                Ok(())
+            }
+            Ok(Ok((_, Err(e)))) => Err(OracleError::new(e)),
+            Ok(Err(e)) => Err(OracleError::message(format!("Oracle ping task: {e}"))),
+            // Timed out (the task keeps the connection and closes it): discard this one.
+            Err(_) => Err(OracleError::message("timed out waiting for the Oracle server")),
+        }
+    }
+
+    fn has_broken(&self, conn: &mut Self::Connection) -> bool {
+        conn.conn.is_none()
+    }
+}
+
+/// A connection borrowed from the pool. It returns to the pool when dropped,
+/// unless its statement was cancelled (then it is discarded).
+pub struct OracleConnection {
+    state: Arc<State>,
+    pooled: bb8::PooledConnection<'static, OracleConnectionManager>,
+}
+
+impl OracleConnection {
+    pub fn is_closed(&self) -> bool {
+        self.pooled.conn.is_none()
+    }
+
+    /// Drops the connection instead of returning it; the server rolls an open
+    /// transaction back.
+    pub(crate) fn discard_inner(&mut self) {
+        self.pooled.conn.take();
+    }
+}
+
+fn open(state: &State) -> oracle::Result<oracle::Connection> {
+    let mut connector = oracle::Connector::new(state.user.clone(), state.password.clone(), state.connect.clone());
+    connector.driver_name("OpenIDEA");
+    if let Some(n) = state.statement_cache {
+        connector.stmt_cache_size(n);
+    }
+    let mut conn = connector.connect()?;
+    conn.set_autocommit(state.auto_commit);
+    for sql in &state.init {
+        statement(&mut conn, sql, 0, 0, Cells::Text).map_err(|e| message_error(&e.message))?;
+    }
+    Ok(conn)
+}
+
+/// Runs `f` with the connection on the blocking pool. Cancelling drops the
+/// connection instead of returning it (its statement keeps running server-side).
+async fn with_conn<T>(
+    c: &mut OracleConnection,
+    cancel: &CancellationToken,
+    f: impl FnOnce(&mut oracle::Connection) -> IdeResult<T> + Send + 'static,
+) -> IdeResult<T>
+where
+    T: Send + 'static,
+{
+    let Some(conn) = c.pooled.conn.take() else {
+        return Err(IdeError::new(ErrorKind::Io, "Oracle connection is closed"));
+    };
+    let (tx, mut rx) = mpsc::channel::<(oracle::Connection, IdeResult<T>)>(1);
+    tokio::task::spawn_blocking(move || {
+        let mut slot = Some(conn);
+        let result = match slot.as_mut() {
+            Some(conn) => f(conn),
+            None => unreachable!("connection taken above"),
+        };
+        // A closed receiver (cancelled) drops the connection, closing it.
+        let _ = tx.blocking_send((slot.take().expect("some"), result));
+    });
+    tokio::select! {
+        item = rx.recv() => match item {
+            Some((conn, result)) => {
+                c.pooled.conn = Some(conn);
+                result
+            }
+            None => Err(IdeError::internal("the Oracle connection task failed")),
+        },
+        () = cancel.cancelled() => {
+            rx.close();
+            Err(IdeError::cancelled())
+        }
+    }
+}
+
+/// Runs a script on `c` (see [`crate::conn::Pool::rows`] and `Held::execute`).
+pub(crate) async fn run(
+    c: &mut OracleConnection,
+    sql: &str,
+    skip: usize,
+    max: usize,
+    mode: Cells,
+    cancel: &CancellationToken,
+) -> IdeResult<Fetched> {
+    let state = c.state.clone();
+    let sql = sql.to_owned();
+    with_conn(c, cancel, move |conn| statements(conn, &state, &sql, skip, max, mode)).await
+}
+
+/// The table editor's edits in one transaction.
+pub(crate) async fn transaction(c: &mut OracleConnection, statements: &[(String, bool)]) -> IdeResult<u64> {
+    if c.state.read_only {
+        return Err(IdeError::new(ErrorKind::PermissionDenied, "read-only connection: edits are not allowed"));
+    }
+    let script = statements.iter().map(|(sql, _)| sql.clone()).collect::<Vec<_>>();
+    let expect: Vec<bool> = statements.iter().map(|(_, e)| *e).collect();
+    let apply = move |conn: &mut oracle::Connection| -> IdeResult<u64> {
+        conn.set_autocommit(false);
+        let mut total = 0;
+        for (sql, expect_one) in script.iter().zip(&expect) {
+            let mut stmt = conn.statement(sql).build().map_err(oracle_err)?;
+            stmt.execute(&[]).map_err(oracle_err)?;
+            let n = stmt.row_count().map_err(oracle_err)?;
+            if *expect_one && n != 1 {
+                conn.rollback().ok();
+                return Err(IdeError::invalid(format!(
+                    "{sql}: expected to change 1 row, changed {n}; nothing was saved"
+                )));
+            }
+            total += n;
+        }
+        conn.commit().map_err(oracle_err)?;
+        Ok(total)
+    };
+    let cancel = CancellationToken::new();
+    with_conn(c, &cancel, apply).await
+}
+
+/// Runs every statement of `sql` (one script, PL/SQL blocks kept whole): the
+/// first query's rows are the result, otherwise the total rows changed.
+fn statements(
+    conn: &mut oracle::Connection,
+    state: &State,
+    sql: &str,
+    skip: usize,
+    max: usize,
+    mode: Cells,
+) -> IdeResult<Fetched> {
+    conn.set_autocommit(state.auto_commit);
+    let mut query: Option<Fetched> = None;
+    let mut affected: u64 = 0;
+    let mut first: Option<Instant> = None;
+    for s in crate::split::split(sql, DbDriver::Oracle) {
+        if state.read_only && is_write(&s.text) {
+            return Err(IdeError::new(
+                ErrorKind::PermissionDenied,
+                format!("read-only connection: {} statements are not allowed", first_word(&s.text)),
+            ));
+        }
+        let r = statement(conn, &s.text, skip, max, mode)?;
+        first.get_or_insert_with(|| r.4.unwrap_or_else(Instant::now));
+        if r.0.is_empty() {
+            affected += r.2.unwrap_or(0);
+        } else if query.is_none() {
+            query = Some(r);
+        }
+    }
+    Ok(query.unwrap_or((Vec::new(), Vec::new(), Some(affected), false, first)))
+}
+
+/// Reads one statement; `skip` rows are fetched and dropped (result pagination).
+fn statement(conn: &mut oracle::Connection, sql: &str, skip: usize, max: usize, mode: Cells) -> IdeResult<Fetched> {
+    let started = Instant::now();
+    // LOB locators let `cell` read only the shown prefix (the default fetches whole LOBs).
+    let mut stmt = conn
+        .statement(sql)
+        .fetch_array_size((max as u32).clamp(1, 1000) + 1)
+        .lob_locator()
+        .build()
+        .map_err(oracle_err)?;
+    match stmt.statement_type() {
+        oracle::StatementType::Select => {
+            let rows = stmt.query(&[]).map_err(oracle_err)?;
+            let columns: Vec<ResultColumn> = rows
+                .column_info()
+                .iter()
+                .map(|c| ResultColumn { name: c.name().to_owned(), type_name: c.oracle_type().to_string() })
+                .collect();
+            let mut out: Vec<Vec<Option<String>>> = Vec::new();
+            let mut has_more = false;
+            let mut to_skip = skip;
+            for row in rows {
+                if to_skip > 0 {
+                    to_skip -= 1;
+                    continue;
+                }
+                if out.len() >= max {
+                    has_more = true;
+                    break;
+                }
+                let row = row.map_err(oracle_err)?;
+                out.push(row.sql_values().iter().map(|v| cell(v, mode)).collect());
+            }
+            Ok((columns, out, None, has_more, Some(started)))
+        }
+        _ => {
+            stmt.execute(&[]).map_err(oracle_err)?;
+            let affected = stmt.row_count().map_err(oracle_err)?;
+            Ok((Vec::new(), Vec::new(), Some(affected), false, Some(started)))
+        }
+    }
+}
+
+fn first_word(sql: &str) -> String {
+    sql.lines()
+        .map(str::trim)
+        .find(|l| !l.is_empty() && !l.starts_with("--"))
+        .and_then(|l| l.split_whitespace().next())
+        .unwrap_or("")
+        .to_ascii_uppercase()
+}
+
+/// Whether `sql` changes data or schema (read-only connections refuse it).
+fn is_write(sql: &str) -> bool {
+    !matches!(first_word(sql).as_str(), "SELECT" | "WITH" | "SHOW" | "EXPLAIN" | "DESCRIBE" | "DESC" | "SET")
+}
+
+fn cell(v: &oracle::SqlValue, mode: Cells) -> Option<String> {
+    if v.is_null().unwrap_or(false) {
+        return None;
+    }
+    match v.oracle_type().ok() {
+        Some(OracleType::CLOB | OracleType::NCLOB) => {
+            let lob: Clob = v.get().ok()?;
+            let cap = if mode == Cells::Text { MAX_TEXT_LOB } else { MAX_GRID_LOB };
+            let mut s = String::new();
+            lob.take(cap).read_to_string(&mut s).ok()?;
+            Some(s)
+        }
+        Some(OracleType::BLOB) => {
+            let lob: Blob = v.get().ok()?;
+            let cap = if mode == Cells::Text { MAX_TEXT_LOB } else { MAX_GRID_LOB };
+            let mut buf = Vec::new();
+            lob.take(cap).read_to_end(&mut buf).ok()?;
+            Some(hex(&buf))
+        }
+        _ => v.get::<String>().ok(),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn connect_strings() {
+        let s = |db: &str| DataSource {
+            driver: DbDriver::Oracle,
+            host: "db.local".into(),
+            port: Some(1521),
+            database: db.into(),
+            ..Default::default()
+        };
+        assert_eq!(connect_string(&s("ORCLPDB1")), "//db.local:1521/ORCLPDB1");
+        assert_eq!(connect_string(&s("")), "//db.local:1521");
+        assert_eq!(
+            connect_string(&DataSource { host: String::new(), port: None, database: "ORCL".into(), ..s("") }),
+            "//localhost:1521/ORCL"
+        );
+        assert_eq!(connect_string(&s("(DESCRIPTION=(ADDRESS=...))")), "(DESCRIPTION=(ADDRESS=...))");
+        assert_eq!(connect_string(&s("PROD=MYDB")), "PROD=MYDB");
+    }
+
+    #[test]
+    fn write_detection() {
+        assert!(!is_write("SELECT 1 FROM DUAL"));
+        assert!(!is_write("-- x\nWITH q AS (SELECT 1) SELECT * FROM q"));
+        assert!(!is_write("DESC users"));
+        assert!(is_write("INSERT INTO t VALUES (1)"));
+        assert!(is_write("begin\n  null;\nend;"));
+        assert!(is_write("DROP TABLE t"));
+    }
+
+    #[test]
+    fn missing_user_is_rejected_before_connecting() {
+        let setup = Setup::default();
+        let err = State::of(&DataSource { driver: DbDriver::Oracle, ..Default::default() }, None, &setup).unwrap_err();
+        assert!(err.message.contains("user name"));
+        let state = State::of(
+            &DataSource { driver: DbDriver::Oracle, user: "scott".into(), ..Default::default() },
+            Some("tiger"),
+            &setup,
+        )
+        .unwrap();
+        assert_eq!(
+            (state.user.as_str(), state.password.as_str(), state.connect.as_str()),
+            ("scott", "tiger", "//localhost:1521")
+        );
+        assert!(state.auto_commit);
+    }
+
+    #[test]
+    fn oracle_errors_map_to_kinds() {
+        let auth = oracle_err(message_error("x")).kind; // no database error: invalid input
+        assert_eq!(auth, ErrorKind::InvalidInput);
+    }
+
+    #[tokio::test]
+    async fn a_discarded_connection_is_broken_but_a_live_one_is_not() {
+        // No server is reachable here, so the pooled connection is a husk: `has_broken`
+        // decides whether bb8 keeps it, which is what cancellation relies on.
+        let manager = OracleConnectionManager(Arc::new(
+            State::of(
+                &DataSource { driver: DbDriver::Oracle, user: "scott".into(), ..Default::default() },
+                None,
+                &Setup::default(),
+            )
+            .unwrap(),
+        ));
+        let mut broken = OracleHandle { conn: None };
+        assert!(manager.has_broken(&mut broken));
+        // A connection that cannot be opened reports the failure without panicking
+        // (a client-load error, or ORA-12541 when a client is available).
+        match manager.connect().await {
+            Ok(_) => unreachable!("no server is listening"),
+            Err(err) => assert!(!err.into_ide().message.is_empty()),
+        }
+    }
+
+    #[test]
+    fn connect_reports_a_missing_client_directory() {
+        let err = client_dir("/nonexistent/instantclient").expect_err("no such directory");
+        assert!(err.message.contains("Instant Client directory not found"), "{}", err.message);
+        assert!(client_dir("").expect("the search path").is_none());
+    }
+
+    /// A live server, skipped unless `OPENIDEA_ORACLE_TEST` is
+    /// `user/password@host:port/service` (and `OPENIDEA_ORACLE_CLIENT` names the
+    /// Instant Client when it is not on the search path).
+    ///
+    /// Checking out a connection runs `is_valid`, so this fails if the ping is
+    /// not a query (bb8 silently retries a rejected check-out until it times out).
+    #[tokio::test]
+    async fn a_pooled_connection_runs_queries() {
+        let Some(spec) = std::env::var("OPENIDEA_ORACLE_TEST").ok().filter(|s| !s.is_empty()) else { return };
+        let (auth, addr) = spec.split_once('@').expect("user/password@host:port/service");
+        let (user, password) = auth.split_once('/').expect("user/password");
+        let (host, rest) = addr.split_once(':').expect("host:port/service");
+        let (port, service) = rest.split_once('/').expect("port/service");
+        let source = DataSource {
+            driver: DbDriver::Oracle,
+            host: host.into(),
+            port: Some(port.parse().expect("port")),
+            database: service.into(),
+            user: user.into(),
+            options: crate::source::DbOptions {
+                instant_client: std::env::var("OPENIDEA_ORACLE_CLIENT").unwrap_or_default(),
+                ..Default::default()
+            },
+            ..Default::default()
+        };
+        // A missing or wrong password asks for one (the UI prompts on PermissionDenied).
+        for wrong in [None, Some("wrong")] {
+            let Err(err) = crate::conn::Pool::connect(&source, wrong, None).await else { panic!("bad password") };
+            assert_eq!(err.kind, ErrorKind::PermissionDenied, "{}", err.message);
+        }
+        let pool = crate::conn::Pool::connect(&source, Some(password), None).await.expect("connect");
+        let rows = pool.rows("SELECT 1 FROM DUAL", 1).await.expect("query through the pool");
+        assert_eq!(rows.first().and_then(|r| r.first().cloned().flatten()).as_deref(), Some("1"));
+
+        // The result grid reads later pages by skipping rows client-side.
+        let page = pool
+            .execute_from("SELECT LEVEL FROM DUAL CONNECT BY LEVEL <= 10", 4, 3, &CancellationToken::new())
+            .await
+            .expect("second page");
+        let values: Vec<String> = page.rows.iter().filter_map(|r| r.first().cloned().flatten()).collect();
+        assert_eq!(values, ["5", "6", "7"]);
+        assert!(page.has_more);
+
+        // PL/SQL units reach the server with their closing `END;`.
+        pool.rows("begin null; end;", 0).await.expect("anonymous block");
+        pool.rows("declare n number := 1; begin n := n + 1; end;", 0).await.expect("declare block");
+        let proc = "create or replace procedure openidea_p(a number) is\n  x number := a;\nbegin\n  x := x + 1;\nend;";
+        let rows = pool.rows(&format!("{proc}\nselect 7 from dual;"), 1).await.expect("procedure, then a query");
+        assert_eq!(rows.first().and_then(|r| r.first().cloned().flatten()).as_deref(), Some("7"));
+        pool.rows("begin openidea_p(1); end;", 0).await.expect("call the procedure");
+        let package = "create or replace package openidea_k as\n  function f return number;\nend openidea_k;\n/\n\
+                       create or replace package body openidea_k as\n  function f return number is begin return 8; end;\nend openidea_k;\n/";
+        pool.rows(package, 0).await.expect("package spec and body");
+        let rows = pool.rows("select openidea_k.f from dual", 1).await.expect("call the package");
+        assert_eq!(rows.first().and_then(|r| r.first().cloned().flatten()).as_deref(), Some("8"));
+        pool.rows("drop package openidea_k; drop procedure openidea_p", 0).await.expect("clean up");
+
+        // LOB cells are read through locators.
+        let rows = pool.rows("select to_clob('abc'), to_blob(hextoraw('0A0B')) from dual", 1).await.expect("LOBs");
+        assert_eq!(rows.first().cloned(), Some(vec![Some("abc".into()), Some("0x0A0B".into())]));
+    }
+}
@@ -38,13 +38,28 @@ pub fn explain_statement(driver: DbDriver, statement: &str) -> String {
        DbDriver::Clickhouse => format!("EXPLAIN json = 1 {s}"),
        DbDriver::Mysql => format!("EXPLAIN {s}"),
        DbDriver::SqlServer => format!("SET SHOWPLAN_TEXT ON; {s}"),
+        DbDriver::Oracle => format!("EXPLAIN PLAN FOR {s}"),
    }
 }

+/// Reads the plan `EXPLAIN PLAN SET STATEMENT_ID = '{plan_id}'` wrote (see [`parse`] with `DbDriver::Oracle`).
+pub fn oracle_plan_query(plan_id: &str) -> String {
+    format!(
+        "SELECT id, parent_id, operation, options, object_name, cost, cardinality, bytes \
+         FROM plan_table WHERE statement_id = '{plan_id}' ORDER BY id"
+    )
+}
+
+/// Removes a read plan (PLAN_TABLE keeps rows until the session ends).
+pub fn oracle_plan_cleanup(plan_id: &str) -> String {
+    format!("DELETE FROM plan_table WHERE statement_id = '{plan_id}'")
+}
+
 /// Reads the result of [`explain_statement`].
 pub fn parse(driver: DbDriver, result: &QueryResult) -> IdeResult<Vec<PlanNode>> {
    match driver {
        DbDriver::Sqlite => Ok(sqlite(&result.rows)),
+        DbDriver::Oracle => Ok(oracle(&result.rows)),
        DbDriver::Postgres | DbDriver::Clickhouse => {
            let text: String =
                result.rows.iter().filter_map(|r| r.first().cloned().flatten()).collect::<Vec<_>>().join("\n");
@@ -148,6 +163,40 @@ fn postgres(node: &Value, parent: Option<u32>, out: &mut Vec<PlanNode>) {
    }
 }

+/// Oracle PLAN_TABLE rows: `id, parent_id, operation, options, object_name, cost, cardinality, bytes`.
+fn oracle(rows: &[Vec<Option<String>>]) -> Vec<PlanNode> {
+    let mut ids: Vec<String> = Vec::new();
+    let mut out = Vec::new();
+    for r in rows {
+        let cell = |i: usize| r.get(i).cloned().flatten().unwrap_or_default();
+        let (id, parent, operation, options, object) = (cell(0), cell(1), cell(2), cell(3), cell(4));
+        let parent = ids.iter().position(|x| *x == parent).map(|i| i as u32);
+        let op = format!("{operation} {options}").trim().to_owned();
+        let (operation, params) = match (operation.as_str(), options.as_str()) {
+            ("TABLE ACCESS", "FULL") => ("Full Scan".into(), object),
+            ("TABLE ACCESS", "BY INDEX ROWID" | "BY ROWID RANGE" | "BY USER ROWID") => ("Table Access".into(), object),
+            ("INDEX", "RANGE SCAN" | "RANGE SCAN DESCENDING") => ("Index Range Scan".into(), object),
+            ("INDEX", "UNIQUE SCAN") => ("Index Lookup".into(), object),
+            ("INDEX", "FULL SCAN" | "FAST FULL SCAN" | "SKIP SCAN") => ("Full Index Scan".into(), object),
+            ("INDEX", "SAMPLE FAST FULL SCAN") => ("Full Index Scan".into(), object),
+            ("SORT", "ORDER BY") => ("Order By".into(), String::new()),
+            ("SORT", "GROUP BY") => ("Group By".into(), String::new()),
+            ("SORT", "UNIQUE") => ("Distinct".into(), String::new()),
+            ("HASH", "GROUP BY") => ("Group By".into(), String::new()),
+            _ => (op, object),
+        };
+        let mut properties = Vec::new();
+        for (name, value) in [("Cost", 5), ("Rows", 6), ("Bytes", 7)] {
+            if let Some(v) = r.get(value).cloned().flatten() {
+                properties.push(prop(name, v));
+            }
+        }
+        out.push(PlanNode { parent, operation, params, properties });
+        ids.push(id);
+    }
+    out
+}
+
 /// MySQL's tabular `EXPLAIN`: one row per table access, flat.
 fn mysql(names: &[&str], rows: &[Vec<Option<String>>]) -> Vec<PlanNode> {
    let col = |r: &[Option<String>], n: &str| {
@@ -202,6 +251,49 @@ mod tests {
        assert_eq!(explain_statement(DbDriver::Mysql, "select 1"), "EXPLAIN select 1");
        assert_eq!(explain_statement(DbDriver::Clickhouse, " select 1;"), "EXPLAIN json = 1 select 1");
        assert_eq!(explain_statement(DbDriver::SqlServer, "select 1"), "SET SHOWPLAN_TEXT ON; select 1");
+        assert_eq!(explain_statement(DbDriver::Oracle, "select 1"), "EXPLAIN PLAN FOR select 1");
+        let q = oracle_plan_query("OI1");
+        assert!(q.contains("FROM plan_table WHERE statement_id = 'OI1' ORDER BY id"));
+        assert!(oracle_plan_cleanup("OI1").contains("DELETE FROM plan_table WHERE statement_id = 'OI1'"));
+    }
+
+    #[test]
+    fn reads_oracle_plan_table_rows() {
+        let r = result(
+            &["id", "parent_id", "operation", "options", "object_name", "cost", "cardinality", "bytes"],
+            vec![
+                vec![Some("1"), Some("0"), Some("SELECT STATEMENT"), None, None, Some("3"), Some("41"), Some("1230")],
+                vec![Some("2"), Some("1"), Some("HASH"), Some("GROUP BY"), None, Some("3"), Some("41"), Some("1230")],
+                vec![
+                    Some("4"),
+                    Some("2"),
+                    Some("TABLE ACCESS"),
+                    Some("FULL"),
+                    Some("orders"),
+                    Some("2"),
+                    Some("41"),
+                    Some("1230"),
+                ],
+                vec![
+                    Some("5"),
+                    Some("2"),
+                    Some("INDEX"),
+                    Some("UNIQUE SCAN"),
+                    Some("c_pk"),
+                    Some("0"),
+                    Some("1"),
+                    Some("6"),
+                ],
+            ],
+        );
+        let plan = parse(DbDriver::Oracle, &r).unwrap();
+        let ops: Vec<(&str, &str)> = plan.iter().map(|n| (n.operation.as_str(), n.params.as_str())).collect();
+        assert_eq!(
+            ops,
+            [("SELECT STATEMENT", ""), ("Group By", ""), ("Full Scan", "orders"), ("Index Lookup", "c_pk")]
+        );
+        assert_eq!((plan[2].parent, plan[3].parent), (Some(1), Some(1)));
+        assert!(plan[0].properties.iter().any(|p| p.name == "Cost" && p.value == "3"));
    }

    #[test]
@@ -20,6 +20,8 @@ pub enum DbDriver {
    /// Microsoft SQL Server.
    SqlServer,
    Clickhouse,
+    /// Oracle Database (via Oracle Instant Client).
+    Oracle,
 }

 impl DbDriver {
@@ -30,6 +32,7 @@ impl DbDriver {
            DbDriver::Mysql => Some(3306),
            DbDriver::SqlServer => Some(1433),
            DbDriver::Clickhouse => Some(8123),
+            DbDriver::Oracle => Some(1521),
        }
    }
 }
@@ -85,6 +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 `?`.
@@ -261,6 +266,7 @@ pub fn scheme_driver(scheme: &str) -> Option<DbDriver> {
        "sqlserver" | "mssql" | "mssqlserver" => Some(DbDriver::SqlServer),
        "sqlite" | "sqlite3" => Some(DbDriver::Sqlite),
        "clickhouse" | "http" | "https" => Some(DbDriver::Clickhouse),
+        "oracle" | "oracledb" => Some(DbDriver::Oracle),
        _ => None,
    }
 }
@@ -273,6 +279,12 @@ pub fn parse_url(raw: &str) -> IdeResult<ParsedUrl> {
    let url = url.strip_prefix("jdbc:").or_else(|| url.strip_prefix("JDBC:")).unwrap_or(url);
    let (scheme, rest) = url.split_once(':').ok_or_else(bad)?;
    let driver = scheme_driver(scheme).ok_or_else(bad)?;
+    // JDBC thin URLs: `jdbc:oracle:thin:@//host:port/service` (after the `jdbc:` prefix).
+    let rest = if driver == DbDriver::Oracle {
+        rest.strip_prefix("thin:@").or_else(|| rest.strip_prefix("thin:/@")).unwrap_or(rest)
+    } else {
+        rest
+    };
    if driver == DbDriver::Sqlite {
        let file = rest.strip_prefix("//").unwrap_or(rest);
        let file = file.split('?').next().unwrap_or_default();
@@ -540,7 +552,11 @@ mod tests {
        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("sqlite:/tmp/a.db").unwrap().file.as_deref(), Some("/tmp/a.db"));
-        assert!(parse_url("oracle://x").is_err());
+        let u = parse_url("oracle://scott:[email protected]:1521/ORCLPDB1").unwrap();
+        assert_eq!(u.driver, Some(DbDriver::Oracle));
+        assert_eq!((u.host.as_str(), u.port, u.database.as_str()), ("db.local", Some(1521), "ORCLPDB1"));
+        assert_eq!((u.user.as_str(), u.password.as_deref()), ("scott", Some("tiger")));
+        assert_eq!(parse_url("oracledb://[email protected]/hrdb").unwrap().driver, Some(DbDriver::Oracle));
        assert!(parse_url("postgres://h:99999/db").is_err());
    }

@@ -9,7 +9,8 @@ use specta::Type;
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
 pub struct SqlStatement {
-    /// UTF-16 offsets of the statement text (whitespace trimmed, `;` excluded).
+    /// UTF-16 offsets of the statement text (whitespace trimmed, `;` excluded except
+    /// after an Oracle PL/SQL block, whose `END;` needs it).
    pub from: u32,
    pub to: u32,
    pub text: String,
@@ -29,6 +30,8 @@ enum State {
 pub fn split(text: &str, driver: DbDriver) -> Vec<SqlStatement> {
    let mysql = driver == DbDriver::Mysql;
    let clickhouse = driver == DbDriver::Clickhouse;
+    // PL/SQL: `;` inside BEGIN…END / DECLARE…END blocks does not terminate a statement.
+    let plsql = driver == DbDriver::Oracle;
    let chars: Vec<(usize, char)> = text.char_indices().collect();
    // UTF-16 offset of each char index (plus the end).
    let mut u16_at = Vec::with_capacity(chars.len() + 1);
@@ -46,6 +49,14 @@ pub fn split(text: &str, driver: DbDriver) -> Vec<SqlStatement> {
    // Whether the current segment has anything but whitespace / comments.
    let mut has_code = false;
    let mut i = 0usize;
+    // PL/SQL block depth (BEGIN / CASE / LOOP open, END closes).
+    let mut depth = 0usize;
+    // Inside a top-level block's declaration section (`DECLARE … BEGIN`).
+    let mut declarations = false;
+    // The segment is a PL/SQL block: its closing `;` is part of the statement.
+    let mut block = false;
+    // `CREATE PACKAGE` / `TYPE BODY`: only `/` on its own line (or the end) ends it.
+    let mut package = false;
    let push = |out: &mut Vec<SqlStatement>, s: usize, e: usize, has_code: bool| {
        if !has_code {
            return;
@@ -69,11 +80,24 @@ pub fn split(text: &str, driver: DbDriver) -> Vec<SqlStatement> {
        let next = chars.get(i + 1).map(|c| c.1);
        match state {
            State::Code => match c {
-                ';' => {
-                    push(&mut out, start, i, has_code);
+                _ if plsql && !has_code && c.is_alphabetic() => {
+                    match plsql_unit(&chars, i) {
+                        Unit::Sql => {}
+                        Unit::Block => block = true,
+                        Unit::Subprogram => (block, declarations) = (true, true),
+                        Unit::Package => (block, package) = (true, true),
+                    }
+                    has_code = true;
+                    // Re-read this character as code (it may start BEGIN / DECLARE).
+                    continue;
+                }
+                ';' if depth == 0 && !declarations && !package => {
+                    push(&mut out, start, if block { i + 1 } else { i }, has_code);
                    start = i + 1;
                    has_code = false;
+                    block = false;
                }
+                ';' => has_code = true,
                '\'' => {
                    state = State::Single;
                    has_code = true;
@@ -86,15 +110,28 @@ pub fn split(text: &str, driver: DbDriver) -> Vec<SqlStatement> {
                    state = State::Backtick;
                    has_code = true;
                }
+                '/' if next == Some('*') => {
+                    state = State::BlockComment;
+                    i += 1;
+                }
+                '/' if plsql && ends_line(&chars, i) && starts_line(&chars, i) => {
+                    // SQL*Plus block terminator: `/` alone on its line ends the statement.
+                    push(&mut out, start, i, has_code);
+                    while chars.get(i).is_some_and(|&(_, c)| c != '\n') {
+                        i += 1;
+                    }
+                    start = i + 1;
+                    has_code = false;
+                    depth = 0;
+                    declarations = false;
+                    block = false;
+                    package = false;
+                }
                '-' if next == Some('-') => {
                    state = State::LineComment;
                    i += 1;
                }
                '#' if mysql => state = State::LineComment,
-                '/' if next == Some('*') => {
-                    state = State::BlockComment;
-                    i += 1;
-                }
                '$' if driver == DbDriver::Postgres => {
                    // `$tag$ … $tag$` (tag may be empty); `$1` parameters are not quotes.
                    let rest = &text[byte_at(i)..];
@@ -114,6 +151,34 @@ pub fn split(text: &str, driver: DbDriver) -> Vec<SqlStatement> {
                        continue;
                    }
                }
+                _ if plsql && word_at(&chars, i, "BEGIN") => {
+                    depth += 1;
+                    declarations = false;
+                    has_code = true;
+                }
+                _ if plsql && word_at(&chars, i, "CASE") || plsql && word_at(&chars, i, "LOOP") => {
+                    depth += 1;
+                    has_code = true;
+                }
+                // `DECLARE … BEGIN … END;` is one block: the declarations of a top-level block
+                // end at BEGIN, so their `;` must not split it.
+                _ if plsql && word_at(&chars, i, "DECLARE") => {
+                    if depth == 0 {
+                        declarations = true;
+                    }
+                    has_code = true;
+                }
+                _ if plsql && word_at(&chars, i, "END") => {
+                    // `END IF` closes an IF (which never opened a block); END LOOP / END CASE
+                    // close the block their keyword opened. Other ENDs close a block.
+                    let after = skip_ws(&chars, i + 3);
+                    let closing = ["LOOP", "CASE", "IF"].into_iter().find(|w| word_at(&chars, after, w));
+                    if closing != Some("IF") && depth > 0 {
+                        depth -= 1;
+                    }
+                    i = closing.map_or(i + 3, |w| after + w.len()) - 1;
+                    has_code = true;
+                }
                c if !c.is_whitespace() => has_code = true,
                _ => {}
            },
@@ -164,6 +229,73 @@ pub fn split(text: &str, driver: DbDriver) -> Vec<SqlStatement> {
    out
 }

+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+enum Unit {
+    Sql,
+    /// `DECLARE` / `BEGIN`: an anonymous block.
+    Block,
+    /// `CREATE PROCEDURE` / `FUNCTION` / `TRIGGER`: declarations up to the body's BEGIN.
+    Subprogram,
+    /// `CREATE PACKAGE [BODY]` / `TYPE BODY`.
+    Package,
+}
+
+/// What kind of PL/SQL unit, if any, a statement starting at `i` is.
+fn plsql_unit(chars: &[(usize, char)], mut i: usize) -> Unit {
+    let mut words: Vec<String> = Vec::new();
+    while words.len() < 6 {
+        let word: String = chars[i.min(chars.len())..]
+            .iter()
+            .map(|&(_, c)| c)
+            .take_while(|c| c.is_alphanumeric() || *c == '_' || *c == '$')
+            .collect();
+        if word.is_empty() {
+            break;
+        }
+        i = skip_ws(chars, i + word.chars().count());
+        words.push(word.to_ascii_uppercase());
+    }
+    let w = |n: usize| words.get(n).map_or("", String::as_str);
+    match w(0) {
+        "DECLARE" | "BEGIN" => return Unit::Block,
+        "CREATE" => {}
+        _ => return Unit::Sql,
+    }
+    let mut n = if (w(1), w(2)) == ("OR", "REPLACE") { 3 } else { 1 };
+    if matches!(w(n), "EDITIONABLE" | "NONEDITIONABLE") {
+        n += 1;
+    }
+    match (w(n), w(n + 1)) {
+        ("PROCEDURE" | "FUNCTION" | "TRIGGER", _) => Unit::Subprogram,
+        ("PACKAGE", _) | ("TYPE", "BODY") => Unit::Package,
+        _ => Unit::Sql,
+    }
+}
+
+/// Whether the characters at `i` are the keyword `word` (identifier bounds respected).
+fn word_at(chars: &[(usize, char)], i: usize, word: &str) -> bool {
+    let (before, after) = (chars[..i].last().map(|&(_, c)| c), chars.get(i).map(|&(_, c)| c));
+    before.is_none_or(|c| !c.is_alphanumeric() && c != '_' && c != '$')
+        && after.is_some_and(|c| c.is_ascii_alphabetic())
+        && chars[i..].iter().take(word.len()).map(|&(_, c)| c.to_ascii_uppercase()).eq(word.chars())
+        && chars.get(i + word.len()).is_none_or(|&(_, c)| !c.is_alphanumeric() && c != '_' && c != '$')
+}
+
+/// Whether only whitespace follows `i` until the end of its line.
+fn ends_line(chars: &[(usize, char)], i: usize) -> bool {
+    chars[i + 1..].iter().take_while(|&&(_, c)| c != '\n').all(|&(_, c)| c.is_whitespace())
+}
+
+/// Whether only whitespace precedes `i` since the start of its line.
+fn starts_line(chars: &[(usize, char)], i: usize) -> bool {
+    chars[..i].iter().rev().take_while(|&&(_, c)| c != '\n').all(|&(_, c)| c.is_whitespace())
+}
+
+/// The index of the first non-whitespace character at or after `i`.
+fn skip_ws(chars: &[(usize, char)], i: usize) -> usize {
+    chars[i..].iter().position(|&(_, c)| !c.is_whitespace()).map_or(chars.len(), |n| i + n)
+}
+
 /// The statement to run for a caret at `offset` (UTF-16): the one containing
 /// it, else the nearest one before it (caret after `;` or on a blank line
 /// below), else the next one.
@@ -277,4 +409,62 @@ mod tests {
        assert_eq!(s.iter().map(|s| s.text.as_str()).collect::<Vec<_>>(), vec!["select 1", "select 2"]);
        assert_eq!((s[1].from, s[1].to), (13, 21));
    }
+
+    #[test]
+    fn oracle_keeps_plsql_blocks_as_one_statement() {
+        let block = "begin\n  for r in (select 1 from dual) loop\n    null; -- ;\n  end loop;\nend";
+        assert_eq!(
+            texts(&format!("{block};\nselect 2;"), DbDriver::Oracle),
+            vec![format!("{block};"), "select 2".into()]
+        );
+        let nested = "declare\n  x number;\nbegin\n  if x = 1 then\n    case when x = 2 then\n      null;\n    end case;\n    begin\n      null;\n    end;\n  end if;\nend";
+        assert_eq!(
+            texts(&format!("{nested};\nselect 3;"), DbDriver::Oracle),
+            vec![format!("{nested};"), "select 3".into()]
+        );
+        // Plain SQL with CASE is unaffected; END IF does not close a block twice.
+        assert_eq!(
+            texts("select case when a = 1 then 2 end from t; select 2", DbDriver::Oracle),
+            vec!["select case when a = 1 then 2 end from t", "select 2"]
+        );
+    }
+
+    #[test]
+    fn oracle_slash_terminator_and_other_drivers_unaffected() {
+        // `END;` ends the block; a following `/` (SQL*Plus's own terminator) adds nothing.
+        assert_eq!(
+            texts("begin\n  null;\nend;\n/\nselect 2", DbDriver::Oracle),
+            vec!["begin\n  null;\nend;", "select 2"]
+        );
+        // A division is not a terminator.
+        assert_eq!(texts("select 1 /\n 2 from dual", DbDriver::Oracle), vec!["select 1 /\n 2 from dual"]);
+        assert_eq!(texts("select 'a;b' from t; select 2", DbDriver::Oracle), vec!["select 'a;b' from t", "select 2"]);
+    }
+
+    #[test]
+    fn oracle_create_units_keep_their_declarations_and_end() {
+        let proc = "create or replace procedure p(a number) is\n  x number := 1;\nbegin\n  null;\nend p;";
+        assert_eq!(texts(&format!("{proc}\nselect 1 from dual;"), DbDriver::Oracle), vec![proc, "select 1 from dual"]);
+        let trigger =
+            "CREATE TRIGGER t BEFORE INSERT ON x FOR EACH ROW\nDECLARE n NUMBER;\nBEGIN\n  :new.id := 1;\nEND;";
+        assert_eq!(
+            texts(&format!("{trigger}\nselect 2 from dual"), DbDriver::Oracle),
+            vec![trigger, "select 2 from dual"]
+        );
+        // Packages end at `/` (or the end of the script), like in SQL*Plus.
+        let spec = "create package k as\n  procedure a;\n  function f return number;\nend k;";
+        let body = "create package body k as\n  procedure a is begin null; end;\n  function f return number is begin return 1; end;\nbegin\n  null;\nend k;";
+        assert_eq!(
+            texts(&format!("{spec}\n/\n{body}\n/\nselect 3 from dual;"), DbDriver::Oracle),
+            vec![spec, body, "select 3 from dual"]
+        );
+        // Other CREATE statements and object types stay plain SQL.
+        assert_eq!(
+            texts(
+                "create view v as select 1 x from dual; create type t as object (a number); select 4",
+                DbDriver::Oracle
+            ),
+            vec!["create view v as select 1 x from dual", "create type t as object (a number)", "select 4"]
+        );
+    }
 }
@@ -46,6 +46,23 @@ pub fn databases(templates: bool) -> &'static str {
 /// Databases of managed services that their users cannot use (hidden unless connected to).
 pub const INTERNAL_DATABASES: &[&str] = &["rdsadmin", "azure_maintenance", "azure_sys", "cloudsqladmin"];

+/// Oracle system accounts hidden unless `show_system` (see the Schemas tab).
+pub const ORACLE_SYSTEM_SCHEMAS: &[&str] = &[
+    "CTXSYS",
+    "DBSFWUSER",
+    "DVSYS",
+    "GSMADMIN_INTERNAL",
+    "LBACSYS",
+    "MDDATA",
+    "MDSYS",
+    "OLAPSYS",
+    "OUTLN",
+    "SYS",
+    "SYSTEM",
+    "XDB",
+    "XS$NULL",
+];
+
 pub fn schemas(driver: DbDriver, system: bool) -> &'static str {
    match driver {
        DbDriver::Sqlite => "SELECT name FROM pragma_database_list WHERE name <> 'temp' ORDER BY seq",
@@ -59,6 +76,12 @@ pub fn schemas(driver: DbDriver, system: bool) -> &'static str {
        }
        DbDriver::Mysql if system => "SELECT schema_name FROM information_schema.schemata ORDER BY 1",
        DbDriver::SqlServer if system => "SELECT schema_name FROM information_schema.schemata ORDER BY 1",
+        DbDriver::Oracle if system => "SELECT username FROM all_users ORDER BY username",
+        DbDriver::Oracle => {
+            "SELECT username FROM all_users WHERE username NOT IN \
+             ('CTXSYS', 'DBSFWUSER', 'DVSYS', 'GSMADMIN_INTERNAL', 'LBACSYS', 'MDDATA', 'MDSYS', 'OLAPSYS', \
+             'OUTLN', 'SYS', 'SYSTEM', 'XDB', 'XS$NULL') ORDER BY username"
+        }
        DbDriver::Postgres => {
            "SELECT schema_name FROM information_schema.schemata \
             WHERE schema_name NOT IN ('pg_catalog', 'information_schema') \
@@ -89,6 +112,12 @@ pub fn tables(driver: DbDriver, schema: &str) -> String {
             AND name NOT LIKE 'sqlite\\_%' ESCAPE '\\' ORDER BY name",
            quote_ident(driver, schema)
        ),
+        DbDriver::Oracle => format!(
+            "SELECT table_name, 'table' FROM all_tables WHERE owner = {} \
+             UNION ALL SELECT view_name, 'view' FROM all_views WHERE owner = {} ORDER BY 1",
+            quote_literal(driver, schema),
+            quote_literal(driver, schema)
+        ),
        DbDriver::Postgres => format!(
            "SELECT c.relname, CASE c.relkind WHEN 'v' THEN 'view' WHEN 'm' THEN 'materialized view' ELSE 'table' END \
             FROM pg_class c JOIN pg_namespace n ON n.oid = c.relnamespace \
@@ -148,6 +177,17 @@ pub fn columns(driver: DbDriver, schema: &str, table: &str) -> String {
             FROM information_schema.columns c WHERE c.table_schema = {s} AND c.table_name = {t} \
             ORDER BY c.ordinal_position"
        ),
+        DbDriver::Oracle => format!(
+            "SELECT c.column_name, c.data_type, DECODE(c.nullable, 'Y', 'YES', 'NO'), c.data_default, \
+             CASE WHEN k.column_name IS NOT NULL THEN 1 ELSE 0 END \
+             FROM all_tab_columns c \
+             LEFT JOIN (SELECT kc.column_name FROM all_constraints con \
+               JOIN all_cons_columns kc ON kc.owner = con.owner AND kc.table_name = con.table_name \
+               AND kc.constraint_name = con.constraint_name \
+               WHERE con.constraint_type = 'P' AND con.owner = {s} AND con.table_name = {t}) k \
+             ON k.column_name = c.column_name \
+             WHERE c.owner = {s} AND c.table_name = {t} ORDER BY c.column_id"
+        ),
    }
 }

@@ -185,6 +225,12 @@ pub fn indexes(driver: DbDriver, schema: &str, table: &str) -> String {
             WHERE OBJECT_SCHEMA_NAME(i.object_id) = {s} AND OBJECT_NAME(i.object_id) = {t} AND i.name IS NOT NULL \
             ORDER BY i.name, ic.key_ordinal"
        ),
+        DbDriver::Oracle => format!(
+            "SELECT i.index_name, CASE WHEN i.uniqueness = 'UNIQUE' THEN 1 ELSE 0 END, ic.column_name \
+             FROM all_indexes i JOIN all_ind_columns ic \
+             ON ic.index_owner = i.owner AND ic.index_name = i.index_name \
+             WHERE i.owner = {s} AND i.table_name = {t} ORDER BY i.index_name, ic.column_position"
+        ),
    }
 }

@@ -245,6 +291,21 @@ pub fn completion_columns(driver: DbDriver) -> &'static str {
             WHERE c.table_schema NOT IN ('sys', 'information_schema') \
             ORDER BY c.table_schema, c.table_name, c.ordinal_position"
        }
+        DbDriver::Oracle => {
+            "SELECT c.owner, c.table_name, CASE WHEN v.view_name IS NOT NULL THEN 'view' ELSE 'table' END, \
+             c.column_name, c.data_type, DECODE(c.nullable, 'Y', 'YES', 'NO'), \
+             CASE WHEN k.column_name IS NOT NULL THEN 1 ELSE 0 END, \
+             CASE WHEN c.data_default IS NOT NULL THEN 1 ELSE 0 END \
+             FROM all_tab_columns c \
+             LEFT JOIN all_views v ON v.owner = c.owner AND v.view_name = c.table_name \
+             LEFT JOIN (SELECT con.owner, con.table_name, kc.column_name FROM all_constraints con \
+               JOIN all_cons_columns kc ON kc.owner = con.owner AND kc.table_name = con.table_name \
+               AND kc.constraint_name = con.constraint_name WHERE con.constraint_type = 'P') k \
+             ON k.owner = c.owner AND k.table_name = c.table_name AND k.column_name = c.column_name \
+             WHERE c.owner NOT IN ('CTXSYS', 'DBSFWUSER', 'DVSYS', 'GSMADMIN_INTERNAL', 'LBACSYS', 'MDDATA', \
+             'MDSYS', 'OLAPSYS', 'OUTLN', 'SYS', 'SYSTEM', 'XDB', 'XS$NULL') \
+             ORDER BY c.owner, c.table_name, c.column_id FETCH FIRST 50000 ROWS ONLY"
+        }
    }
 }

@@ -284,6 +345,19 @@ pub fn foreign_keys(driver: DbDriver) -> &'static str {
             AND table_schema NOT IN ('sys', 'information_schema') \
             ORDER BY table_schema, table_name, constraint_name, ordinal_position"
        }
+        DbDriver::Oracle => {
+            "SELECT con.owner, con.table_name, con.constraint_name, col.column_name, \
+             rcon.owner, rcon.table_name, rcol.column_name \
+             FROM all_constraints con \
+             JOIN all_cons_columns col ON col.owner = con.owner AND col.table_name = con.table_name \
+             AND col.constraint_name = con.constraint_name \
+             JOIN all_constraints rcon ON rcon.owner = con.r_owner AND rcon.constraint_name = con.r_constraint_name \
+             JOIN all_cons_columns rcol ON rcol.owner = rcon.owner AND rcol.table_name = rcon.table_name \
+             AND rcol.constraint_name = rcon.constraint_name \
+             WHERE con.constraint_type = 'R' AND con.owner NOT IN ('CTXSYS', 'DBSFWUSER', 'DVSYS', \
+             'GSMADMIN_INTERNAL', 'LBACSYS', 'MDDATA', 'MDSYS', 'OLAPSYS', 'OUTLN', 'SYS', 'SYSTEM', 'XDB', 'XS$NULL') \
+             ORDER BY 1, 2, 3, col.position FETCH FIRST 20000 ROWS ONLY"
+        }
    }
 }

@@ -304,6 +378,9 @@ pub fn table_foreign_keys(driver: DbDriver, schema: &str, table: &str) -> String
        DbDriver::SqlServer => format!(
            "SELECT table_schema, table_name, constraint_name, column_name,              referenced_table_schema, referenced_table_name, referenced_column_name              FROM information_schema.key_column_usage WHERE referenced_table_name IS NOT NULL              AND table_schema = {s} AND table_name = {t} ORDER BY constraint_name, ordinal_position"
        ),
+        DbDriver::Oracle => format!(
+            "SELECT con.owner, con.table_name, con.constraint_name, col.column_name,              rcon.owner, rcon.table_name, rcol.column_name              FROM all_constraints con              JOIN all_cons_columns col ON col.owner = con.owner AND col.table_name = con.table_name              AND col.constraint_name = con.constraint_name              JOIN all_constraints rcon ON rcon.owner = con.r_owner AND rcon.constraint_name = con.r_constraint_name              JOIN all_cons_columns rcol ON rcol.owner = rcon.owner AND rcol.table_name = rcon.table_name              AND rcol.constraint_name = rcon.constraint_name              WHERE con.constraint_type = 'R' AND con.owner = {s} AND con.table_name = {t}              ORDER BY con.constraint_name, col.position"
+        ),
    }
 }

@@ -315,6 +392,7 @@ pub fn current_schema(driver: DbDriver) -> Option<&'static str> {
        DbDriver::Postgres => Some("SELECT current_schema()"),
        DbDriver::Mysql => Some("SELECT DATABASE()"),
        DbDriver::SqlServer => Some("SELECT DB_NAME()"),
+        DbDriver::Oracle => Some("SELECT SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') FROM DUAL"),
    }
 }

@@ -359,6 +437,8 @@ pub fn table_page(
            sql.push_str(" ORDER BY (SELECT 1)");
        }
        sql.push_str(&format!(" OFFSET {offset} ROWS FETCH NEXT {} ROWS ONLY", limit + 1));
+    } else if driver == DbDriver::Oracle {
+        sql.push_str(&format!(" OFFSET {offset} ROWS FETCH FIRST {} ROWS ONLY", limit + 1));
    } else {
        sql.push_str(&format!(" LIMIT {} OFFSET {offset}", limit + 1));
    }
@@ -421,6 +501,8 @@ pub fn edit_statement(driver: DbDriver, schema: &str, table: &str, edit: &DbRowE
            if values.is_empty() {
                return Ok(match driver {
                    DbDriver::Mysql => format!("INSERT INTO {target} () VALUES ()"),
+                    // Oracle has no DEFAULT VALUES; without columns there is nothing to insert.
+                    DbDriver::Oracle => return Err("Oracle needs at least one column value to insert".into()),
                    _ => format!("INSERT INTO {target} DEFAULT VALUES"),
                });
            }
@@ -509,6 +591,12 @@ pub fn triggers(driver: DbDriver, schema: &str, table: &str) -> String {
            "SELECT t.name, lower(te.type_desc), '' FROM sys.triggers t \
             WHERE OBJECT_SCHEMA_NAME(t.parent_id) = {s} AND OBJECT_NAME(t.parent_id) = {t} ORDER BY 1"
        ),
+        DbDriver::Oracle => format!(
+            "SELECT trigger_name, CASE WHEN trigger_type LIKE 'BEFORE%' THEN 'before' \
+             WHEN trigger_type LIKE 'INSTEAD%' THEN 'instead of' ELSE 'after' END, \
+             lower(replace(triggering_event, ' OR ', ',')) \
+             FROM all_triggers WHERE owner = {s} AND table_name = {t} ORDER BY 1"
+        ),
    }
 }

@@ -551,17 +639,28 @@ pub fn routines(driver: DbDriver, schema: &str) -> Option<String> {
            "SELECT r.routine_name, lower(r.routine_type), '', r.data_type \
             FROM information_schema.routines r WHERE r.routine_schema = {s} ORDER BY 1"
        )),
+        DbDriver::Oracle => Some(format!(
+            "SELECT object_name, CASE object_type WHEN 'PROCEDURE' THEN 'procedure' ELSE 'function' END, '', NULL \
+             FROM all_objects WHERE owner = {s} AND object_type IN ('PROCEDURE', 'FUNCTION') \
+             AND object_name NOT LIKE 'BIN$%' ORDER BY 1"
+        )),
    }
 }

-/// Rows: `name, data type` of a schema's sequences (PostgreSQL).
+/// Rows: `name, data type` of a schema's sequences (PostgreSQL, Oracle).
 pub fn sequences(driver: DbDriver, schema: &str) -> Option<String> {
-    (driver == DbDriver::Postgres).then(|| {
-        format!(
+    match driver {
+        DbDriver::Postgres => Some(format!(
            "SELECT sequence_name, data_type FROM information_schema.sequences WHERE sequence_schema = {} ORDER BY 1",
            quote_literal(driver, schema)
-        )
-    })
+        )),
+        // Every sequence is numeric; ALL_SEQUENCES has no data_type column before 18c.
+        DbDriver::Oracle => Some(format!(
+            "SELECT sequence_name, 'NUMBER' FROM all_sequences WHERE sequence_owner = {} ORDER BY 1",
+            quote_literal(driver, schema)
+        )),
+        _ => None,
+    }
 }

 /// The statement reading the definition of a routine (a row per overload), trigger
@@ -606,6 +705,26 @@ pub fn object_ddl(driver: DbDriver, schema: &str, kind: crate::DbObjectKind, nam
        (DbDriver::Mysql, K::Function) => (format!("SHOW CREATE FUNCTION {target}"), 2),
        (DbDriver::Mysql, K::Procedure) => (format!("SHOW CREATE PROCEDURE {target}"), 2),
        (DbDriver::Mysql, K::Trigger) => (format!("SHOW CREATE TRIGGER {target}"), 2),
+        (DbDriver::Oracle, K::Function | K::Procedure | K::Trigger) => (
+            format!(
+                "SELECT DBMS_METADATA.GET_DDL('{}', {n}, {s}) FROM DUAL",
+                match kind {
+                    K::Function => "FUNCTION",
+                    K::Procedure => "PROCEDURE",
+                    _ => "TRIGGER",
+                }
+            ),
+            0,
+        ),
+        (DbDriver::Oracle, K::Sequence) => (
+            format!(
+                "SELECT 'create sequence ' || {n} || E'\\n    increment by ' || increment_by || \
+                 E'\\n    minvalue ' || min_value || E'\\n    maxvalue ' || max_value || \
+                 E'\\n    start with ' || last_number || CASE WHEN cycle_flag = 'Y' THEN E'\\n    cycle' ELSE '' END \
+                 FROM all_sequences WHERE sequence_owner = {s} AND sequence_name = {n}"
+            ),
+            0,
+        ),
        _ => return None,
    })
 }
@@ -792,6 +911,64 @@ mod tests {
        assert!(completion_columns(DbDriver::SqlServer).contains("information_schema.columns"));
    }

+    #[test]
+    fn oracle_quoting_pages_and_current_schema() {
+        assert_eq!(quote_ident(DbDriver::Oracle, "a\"b"), "\"a\"\"b\"");
+        assert_eq!(quote_literal(DbDriver::Oracle, "it's"), "'it''s'");
+        assert_eq!(qualified(DbDriver::Oracle, "hr", "employees"), "\"hr\".\"employees\"");
+        assert_eq!(current_schema(DbDriver::Oracle), Some("SELECT SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') FROM DUAL"));
+        assert_eq!(crate::conn::begin_statement(DbDriver::Oracle), "");
+        let sort = [SortKey { column: "id".into(), descending: true }];
+        assert_eq!(
+            table_page(DbDriver::Oracle, "hr", "employees", Some("WHERE id > 3"), &sort, 50, 25),
+            "SELECT * FROM \"hr\".\"employees\" WHERE id > 3 ORDER BY \"id\" DESC OFFSET 50 ROWS FETCH FIRST 26 ROWS ONLY"
+        );
+        assert_eq!(
+            table_page(DbDriver::Oracle, "", "t", None, &[], 0, 10),
+            "SELECT * FROM \"t\" OFFSET 0 ROWS FETCH FIRST 11 ROWS ONLY"
+        );
+    }
+
+    #[test]
+    fn oracle_introspection_queries() {
+        assert_eq!(DbDriver::Oracle.default_port(), Some(1521));
+        assert!(schemas(DbDriver::Oracle, true).contains("all_users"));
+        assert!(schemas(DbDriver::Oracle, false).contains("'MDSYS'"));
+        assert!(tables(DbDriver::Oracle, "hr").contains("all_tables"));
+        assert!(tables(DbDriver::Oracle, "hr").contains("all_views"));
+        let cols = columns(DbDriver::Oracle, "hr", "employees");
+        assert!(cols.contains("all_tab_columns"));
+        assert!(cols.contains("DECODE(c.nullable, 'Y', 'YES', 'NO')"));
+        assert!(cols.contains("constraint_type = 'P'"));
+        assert!(indexes(DbDriver::Oracle, "hr", "t").contains("all_indexes"));
+        assert!(foreign_keys(DbDriver::Oracle).contains("constraint_type = 'R'"));
+        assert!(table_foreign_keys(DbDriver::Oracle, "hr", "t").contains("all_cons_columns"));
+        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!(sequences(DbDriver::Oracle, "hr").unwrap().contains("all_sequences"));
+    }
+
+    #[test]
+    fn oracle_edits_and_object_ddl() {
+        let key = vec![cv("id", Some("1"))];
+        assert_eq!(
+            edit_statement(
+                DbDriver::Oracle,
+                "hr",
+                "t",
+                &DbRowEdit::Update { key: key.clone(), values: vec![cv("n", Some("x"))] }
+            )
+            .unwrap(),
+            "UPDATE \"hr\".\"t\" SET \"n\" = 'x' WHERE \"id\" = '1'"
+        );
+        assert!(edit_statement(DbDriver::Oracle, "hr", "t", &DbRowEdit::Insert { values: vec![] }).is_err());
+        use crate::DbObjectKind as K;
+        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"));
+    }
+
    #[test]
    fn sqlite_trigger_events() {
        let ev = sqlite_trigger_event;
@@ -440,3 +440,89 @@ pub fn compose_op(
    });
    run_streaming(ep, None, &args, cancel, on_output)
 }
+
+/// Whether `ep` is a daemon on this machine, where a bind mount of the project
+/// is this machine's folder. The CLI's default daemon and a context are looked
+/// up (`DOCKER_HOST`, else the context's endpoint).
+pub fn endpoint_is_local(ep: &DockerEndpoint) -> IdeResult<bool> {
+    let url = match ep {
+        DockerEndpoint::Socket { path } => path.trim().to_owned(),
+        DockerEndpoint::Tcp { host, .. } => {
+            let host = host.trim();
+            if host.contains("://") { host.to_owned() } else { format!("tcp://{host}") }
+        }
+        DockerEndpoint::Default => {
+            match ide_core::process::host_var_os("DOCKER_HOST").map(|v| v.to_string_lossy().trim().to_owned()) {
+                Some(url) if !url.is_empty() => url,
+                _ => context_host(ep, None)?,
+            }
+        }
+        DockerEndpoint::Context { name } => context_host(&DockerEndpoint::Default, Some(name.trim()))?,
+    };
+    Ok(daemon_url_is_local(&url))
+}
+
+/// The daemon URL of context `name` (the current one with `None`).
+fn context_host(ep: &DockerEndpoint, name: Option<&str>) -> IdeResult<String> {
+    let mut args = vec!["context", "inspect", "--format", "{{.Endpoints.docker.Host}}"];
+    args.extend(name);
+    Ok(run(ep, &args, QUICK)?.trim().to_owned())
+}
+
+/// `unix://`, `npipe://`, a bare socket path and TCP on the loopback address are
+/// this machine; `ssh://` and other hosts are not.
+pub fn daemon_url_is_local(url: &str) -> bool {
+    let url = url.trim();
+    let Some((scheme, rest)) = url.split_once("://") else { return true };
+    match scheme {
+        "unix" | "npipe" => true,
+        "tcp" | "http" | "https" => {
+            let host = rest.split('/').next().unwrap_or_default();
+            let host = match host.strip_prefix('[') {
+                Some(v6) => v6.split(']').next().unwrap_or_default(),
+                None => host.rsplit_once(':').map_or(host, |(h, _)| h),
+            };
+            matches!(host, "localhost" | "127.0.0.1" | "::1")
+        }
+        _ => false,
+    }
+}
+
+/// `docker compose config --format json` of the project at `dir` (`files`
+/// relative to it; none = the project's default file).
+pub fn compose_config(ep: &DockerEndpoint, dir: &Path, files: &[String]) -> IdeResult<String> {
+    let mut args: Vec<&str> = vec!["compose"];
+    for f in files.iter().map(|f| f.trim()).filter(|f| !f.is_empty()) {
+        args.extend(["--file", f]);
+    }
+    args.extend(["config", "--format", "json"]);
+    let mut cmd = command(ep, &args)?;
+    cmd.current_dir(dir);
+    let out = process::run(cmd, QUICK, None)?;
+    if out.success { Ok(out.stdout) } else { Err(failure(&args, &out.stderr, &out.stdout)) }
+}
+
+#[cfg(test)]
+mod local_tests {
+    use super::*;
+
+    #[test]
+    fn local_daemon_urls() {
+        for url in [
+            "unix:///var/run/docker.sock",
+            "/var/run/docker.sock",
+            "npipe:////./pipe/docker_engine",
+            "tcp://localhost:2375",
+            "tcp://127.0.0.1:2376",
+            "tcp://[::1]:2375",
+            "",
+        ] {
+            assert!(daemon_url_is_local(url), "{url}");
+        }
+        for url in ["ssh://me@build", "tcp://build:2376", "tcp://10.0.0.5:2375", "https://docker.example.com"] {
+            assert!(!daemon_url_is_local(url), "{url}");
+        }
+        assert!(endpoint_is_local(&DockerEndpoint::Socket { path: "/run/user/1000/docker.sock".into() }).unwrap());
+        assert!(!endpoint_is_local(&DockerEndpoint::Tcp { host: "build:2376".into(), tls_cert_dir: None }).unwrap());
+    }
+}
@@ -32,7 +32,7 @@ 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 = "1.1.0";
+pub const ENGINE_VERSION: &str = "1.3.0";
 /// 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.
@@ -54,6 +54,10 @@ pub struct Manifest {
    pub change_notes: Option<String>,
    /// Marketplace categories as declared (see [`Manifest::categories`]).
    pub declared_categories: Vec<String>,
+    /// SVG shown in Settings › Plugins and the marketplace.
+    pub icon: Option<PathBuf>,
+    /// Its variant for dark themes.
+    pub icon_dark: Option<PathBuf>,
    /// `engines.openidea` (a semver requirement), or the legacy `openidea-api`.
    pub engine: String,
    /// Written in the 0.1 format.
@@ -175,6 +179,10 @@ struct Raw {
    #[serde(default)]
    categories: Vec<String>,
    #[serde(default)]
+    icon: Option<PathBuf>,
+    #[serde(default)]
+    icon_dark: Option<PathBuf>,
+    #[serde(default)]
    engines: Option<Engines>,
    /// 0.1 format.
    #[serde(default)]
@@ -253,6 +261,8 @@ impl Manifest {
            license: raw.license,
            change_notes: raw.change_notes,
            declared_categories: raw.categories,
+            icon: raw.icon,
+            icon_dark: raw.icon_dark,
            engine,
            legacy,
            wasm: raw.wasm,
@@ -270,6 +280,16 @@ impl Manifest {
        Self::parse(&src).map_err(|e| format!("{}: {e}", path.display()))
    }

+    /// Refuses `what`, new in plugin API 1.`minor`, while `engines.openidea`
+    /// still admits an older 1.x: those IDEs reject the manifest at install.
+    pub fn needs_api(&self, what: &str, minor: u64) -> Result<(), String> {
+        let older = |m| engine_compatible_with(&self.engine, &semver::Version::new(1, m, u64::MAX));
+        if self.legacy || (0..minor).any(older) {
+            return Err(format!("{what} is new in plugin API 1.{minor}: set engines.openidea to \"^1.{minor}\""));
+        }
+        Ok(())
+    }
+
    fn validate(&self) -> Result<(), String> {
        validate_plugin_id(&self.id)?;
        if self.name.trim().is_empty() {
@@ -291,6 +311,16 @@ impl Manifest {
        if let Some(wasm) = &self.wasm {
            check_relative(wasm, "wasm")?;
        }
+        if let Some(icon) = &self.icon {
+            self.needs_api("`icon`", 2)?;
+            check_relative(icon, "icon")?;
+        }
+        if let Some(dark) = &self.icon_dark {
+            if self.icon.is_none() {
+                return Err("`icon-dark` needs `icon`".into());
+            }
+            check_relative(dark, "icon-dark")?;
+        }
        if self.wasm.is_none() && !self.activation.is_empty() {
            return Err("`activation` needs `wasm`: there is no code to activate".into());
        }
@@ -376,9 +406,11 @@ pub fn engine_compatible(engine: &str, legacy: bool) -> bool {
    if legacy {
        return engine == LEGACY_API || engine.strip_prefix(LEGACY_API).is_some_and(|rest| rest.starts_with('.'));
    }
-    let Ok(req) = semver::VersionReq::parse(engine) else { return false };
-    let host = semver::Version::parse(ENGINE_VERSION).expect("valid engine version");
-    req.matches(&host)
+    engine_compatible_with(engine, &semver::Version::parse(ENGINE_VERSION).expect("valid engine version"))
+}
+
+fn engine_compatible_with(engine: &str, api: &semver::Version) -> bool {
+    semver::VersionReq::parse(engine).is_ok_and(|req| req.matches(api))
 }

 /// Segments of `[a-z0-9][a-z0-9_-]*` joined by `.` (an optional publisher
@@ -549,6 +581,28 @@ mod tests {
        assert!(err("id = \"ok\"\nname = \"N\"\nversion = \"1.0\"\nengines.openidea = \"^1.0\"").contains("version"));
    }

+    const BASE: &str = "id = \"ok\"\nname = \"N\"\nversion = \"1.0.0\"\nengines.openidea = \"^1.2\"\n";
+
+    #[test]
+    fn parses_icons() {
+        let m = Manifest::parse(&format!("{BASE}icon = \"icon.svg\"\nicon-dark = \"icon_dark.svg\"\n")).unwrap();
+        assert_eq!(m.icon.as_deref(), Some(Path::new("icon.svg")));
+        assert_eq!(m.icon_dark.as_deref(), Some(Path::new("icon_dark.svg")));
+        assert_eq!(Manifest::parse(BASE).unwrap().icon, None);
+    }
+
+    #[test]
+    fn rejects_invalid_icons() {
+        assert!(err(&format!("{BASE}icon-dark = \"d.svg\"\n")).contains("`icon-dark` needs `icon`"));
+        assert!(err(&format!("{BASE}icon = \"../x.svg\"\n")).contains("icon"));
+        assert!(err(&format!("{BASE}icon = \"/abs.svg\"\n")).contains("icon"));
+        assert!(err(&format!("{BASE}icon = \"i.svg\"\nicon-dark = \"../d.svg\"\n")).contains("icon-dark"));
+        for engine in ["^1.0", ">=1.1, <2"] {
+            let old = BASE.replace("^1.2", engine);
+            assert!(err(&format!("{old}icon = \"i.svg\"\n")).contains("new in plugin API 1.2"), "{engine}");
+        }
+    }
+
    #[test]
    fn ids() {
        assert!(validate_plugin_id("openidea.material-icons").is_ok());
@@ -314,6 +314,14 @@ pub struct Endorsement {
    pub signature: String,
 }

+/// A plugin's own icon (`icon`, `icon-dark` of its manifest): sanitised SVG markup.
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, specta::Type)]
+#[serde(rename_all = "camelCase")]
+pub struct PluginIcon {
+    pub light: String,
+    pub dark: Option<String>,
+}
+
 /// A published plugin version.
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, specta::Type)]
 #[serde(rename_all = "camelCase")]
@@ -340,6 +348,10 @@ pub struct IndexEntry {
    /// Marketplace categories (`CATEGORIES`); an IDE ignores those it doesn't know.
    #[serde(default)]
    pub categories: Vec<String>,
+    /// The manifest's icon, sanitised by whoever wrote the index and again by
+    /// the IDE before showing it.
+    #[serde(default)]
+    pub icon: Option<PluginIcon>,
 }

 impl IndexEntry {
@@ -672,6 +684,7 @@ mod tests {
            capabilities: Vec::new(),
            engine: "^1.0".into(),
            categories: Vec::new(),
+            icon: None,
        }
    }

@@ -98,7 +98,15 @@ fn parse_unary(t: &[Tok], p: &mut usize, src: &str) -> Result<(), String> {
            *p += 1;
            Ok(())
        }
-        Some(Tok::Id(_)) => {
+        Some(Tok::Id(id)) => {
+            if let Some(path) = id.strip_prefix("workspaceContains:")
+                && (path.is_empty()
+                    || path.starts_with('/')
+                    || path.contains('\\')
+                    || path.split('/').any(|s| s == ".."))
+            {
+                return Err(format!("workspaceContains: needs a relative path inside the project: {src}"));
+            }
            *p += 1;
            if matches!(t.get(*p), Some(Tok::Op("==" | "!="))) {
                *p += 1;
@@ -133,4 +141,23 @@ mod tests {
            assert!(validate_when(bad).is_err(), "{bad}");
        }
    }
+
+    #[test]
+    fn workspace_contains_paths_stay_in_the_project() {
+        for ok in [
+            "workspaceContains:pom.xml",
+            "workspaceContains:.devcontainer/devcontainer.json",
+            "!workspaceContains:a/b && editorFocus",
+        ] {
+            assert!(validate_when(ok).is_ok(), "{ok}");
+        }
+        for bad in [
+            "workspaceContains:",
+            "workspaceContains:/etc/passwd",
+            "workspaceContains:../x",
+            "workspaceContains:a/../../x",
+        ] {
+            assert!(validate_when(bad).unwrap_err().contains("workspaceContains"), "{bad}");
+        }
+    }
 }
@@ -22,7 +22,7 @@
 mod templates;

 use ide_extension::{Manifest, validate_plugin_id};
-use ide_host::plugins::{PluginHost, read_market_url, resolve_market_href};
+use ide_host::plugins::{PluginHost, plugin_icon, read_market_url, resolve_market_href};
 use ide_plugin::{Limits, PluginEngine};
 use std::path::{Path, PathBuf};
 use std::process::{Command, ExitCode};
@@ -650,6 +650,7 @@ fn cmd_index(args: &[String]) -> Result<(), String> {
                capabilities: m.capabilities.all().map(|c| c.to_string()).collect(),
                engine: package::engine_requirement(&m.engine, built_for.as_ref()),
                categories: m.categories(),
+                icon: plugin_icon(&ide_extension::Package::new(m.clone(), scratch.clone()))?,
            })
        })();
        let entry = entry.map_err(|e| format!("{}: {e}", path.display()))?;
@@ -812,20 +813,24 @@ mod tests {

    /// A theme package `id` signed by `publisher` with `key`, packed into `out`.
    fn signed_theme(tmp: &Path, id: &str, publisher: &str, key: &str, out: &Path) {
-        signed_theme_version(tmp, id, "0.1.0", "^1.0", publisher, key, out);
+        signed_theme_version(tmp, id, "0.1.0", "^1.2", publisher, key, out);
    }

    fn signed_theme_version(tmp: &Path, id: &str, version: &str, engine: &str, publisher: &str, key: &str, out: &Path) {
        let src = tmp.join("src").join(format!("{id}-{version}"));
        let vars = templates::Vars { id, name: id, sdk: None };
+        // A manifest icon needs API 1.2.
+        let icon = if engine == "^1.2" { "\nicon = \"icon.svg\"" } else { "" };
        for (rel, content) in templates::render(templates::Template::Theme, &vars) {
            let path = src.join(rel);
            std::fs::create_dir_all(path.parent().unwrap()).unwrap();
            let content = content
                .replace("version = \"0.1.0\"", &format!("version = \"{version}\""))
-                .replace("engines.openidea = \"^1.0\"", &format!("engines.openidea = \"{engine}\""));
+                .replace("engines.openidea = \"^1.0\"", &format!("engines.openidea = \"{engine}\"{icon}"));
            std::fs::write(path, content).unwrap();
        }
+        std::fs::write(src.join("icon.svg"), r#"<svg viewBox="0 0 16 16"><rect width="16" height="16"/></svg>"#)
+            .unwrap();
        std::fs::create_dir_all(out).unwrap();
        let args = [src.to_str().unwrap(), "--key", key, "--publisher", publisher, "--out"]
            .into_iter()
@@ -921,6 +926,11 @@ mod tests {
        let listed: Vec<_> = index.plugins.iter().map(|e| (e.id.as_str(), e.publisher.as_str())).collect();
        assert_eq!(listed, [("alice.dawn", "alice"), ("openidea.night", "openidea")]);
        assert_eq!(index.plugins[1].categories, ["themes"], "implied by the theme");
+        assert!(
+            index.plugins[1].icon.as_ref().is_some_and(|i| i.light.contains("<rect")),
+            "{:?}",
+            index.plugins[1].icon
+        );
        assert_eq!(index.plugins[1].download, "openidea.night-0.1.0.oiplugin");
        assert!(Path::new(&index.plugins[0].download).is_absolute(), "{}", index.plugins[0].download);

@@ -930,6 +940,34 @@ mod tests {
        assert!(err.contains("unknown publisher"), "{err}");
    }

+    #[test]
+    fn the_index_carries_plugin_icons() {
+        let tmp = tempfile::tempdir().unwrap();
+        let t = tmp.path();
+        let key = t.join("acme.key");
+        std::fs::write(&key, PublisherKey::from_seed([6; 32]).seed_base64()).unwrap();
+        let src = t.join("src");
+        let vars = templates::Vars { id: "acme.iconic", name: "Iconic", sdk: None };
+        for (rel, content) in templates::render(templates::Template::Theme, &vars) {
+            let path = src.join(rel);
+            std::fs::create_dir_all(path.parent().unwrap()).unwrap();
+            std::fs::write(path, content).unwrap();
+        }
+        let manifest = std::fs::read_to_string(src.join("plugin.toml")).unwrap();
+        let manifest = manifest.replace("engines.openidea = \"^1.0\"", "engines.openidea = \"^1.2\"");
+        std::fs::write(src.join("plugin.toml"), format!("icon = \"icon.svg\"\n{manifest}")).unwrap();
+        std::fs::write(src.join("icon.svg"), r#"<svg viewBox="0 0 16 16"><rect width="16" height="16"/></svg>"#)
+            .unwrap();
+        let out = t.join("out");
+        std::fs::create_dir_all(&out).unwrap();
+        let (src, key) = (src.to_string_lossy().into_owned(), key.to_string_lossy().into_owned());
+        let package = out.join("acme.iconic-0.1.0.oiplugin").to_string_lossy().into_owned();
+        cmd_pack(&strings(&[&src, "--key", &key, "--publisher", "acme", "--out", &package])).unwrap();
+        cmd_index(&strings(&[out.to_str().unwrap(), "--publisher", "acme", "--key", &key])).unwrap();
+        let index = Index::parse(&std::fs::read_to_string(out.join("index.json")).unwrap()).unwrap();
+        assert!(index.plugins[0].icon.as_ref().expect("icon").light.contains("<rect"));
+    }
+
    /// `cargo test` of a new Rust plugin (its own tests against the mock host) with this SDK.
    #[test]
    fn the_command_template_builds_against_the_sdk() {
@@ -92,6 +92,33 @@ fn format_range(text: &ide_text::Document, range: Range) -> formatter::FormatRan
    }
 }

+/// The edits PHP-CS-Fixer makes to the unsaved text: it fixes a temporary copy with the file's
+/// name (from stdin it doesn't fix anything), so the file on disk stays as it is.
+fn php_cs_fixer_edits(
+    tools: &Tools,
+    php: Option<&Path>,
+    fixer: &formatter::PhpCsFixer,
+    path: &Path,
+    unsaved: &str,
+) -> IdeResult<Vec<TextEdit>> {
+    let name = path.file_name().ok_or_else(|| IdeError::invalid("PHP-CS-Fixer: file has no name"))?;
+    let dir = tempfile::tempdir()?;
+    let copy = dir.path().join(name);
+    std::fs::write(&copy, unsaved)?;
+    formatter::run_php_cs_fixer(tools.php_cs_fixer_command(php, fixer, &copy)?, &Default::default())?;
+    let formatted = std::fs::read_to_string(&copy)?;
+    let text = ide_text::Document::new(unsaved);
+    Ok(text
+        .diff(&formatted)
+        .changes
+        .into_iter()
+        .map(|c| TextEdit {
+            range: Range::new(text.offset_to_pos(c.from), text.offset_to_pos(c.to)),
+            new_text: c.insert,
+        })
+        .collect())
+}
+
 pub async fn format(
    host: &Host,
    window: &str,
@@ -103,6 +130,34 @@ pub async fn format(
    let snap = project.documents.snapshot(doc)?;
    let settings = project.settings.effective();
    let language = project.languages.get(&snap.language);
+    // A committed PHP-CS-Fixer configuration takes over Reformat Code for `.php` files.
+    if options.tool.is_none()
+        && snap.path.extension().is_some_and(|e| e == "php")
+        && let Some(fixer) = formatter::php_cs_fixer(&snap.path)
+    {
+        if options.on_save && !settings.editor.format_on_save {
+            return Ok(Vec::new());
+        }
+        host.require_trust(window)?;
+        if snap.read_only {
+            return Err(IdeError::invalid("The file is read-only"));
+        }
+        let php = ide_sdk::apply::setting_path(&project.root, &settings.languages.php.interpreter);
+        let tools = Tools::new(&host.local_data_dir);
+        let edits = tokio::task::spawn_blocking(move || {
+            php_cs_fixer_edits(&tools, php.as_deref(), &fixer, &snap.path, &snap.text)
+        })
+        .await
+        .map_err(|e| IdeError::internal(e.to_string()))??;
+        if range.is_some() {
+            project.sink.emit(IdeEvent::Notify {
+                level: NotifyLevel::Info,
+                title: "PHP-CS-Fixer".into(),
+                body: Some("PHP-CS-Fixer does not support selection formatting; formatted the whole file".into()),
+            });
+        }
+        return Ok(edits);
+    }
    let mut selected = external_tool(options.tool, language.as_ref(), &snap.path, &settings.languages)?;
    if let Some(tool) = selected
        && options.tool.is_none()
@@ -273,6 +328,59 @@ mod tests {
        assert_eq!(rust.message, "oxfmt cannot format Rust files");
    }

+    #[test]
+    fn php_cs_fixer_needs_a_config_and_the_project_binary() {
+        let dir = tempfile::tempdir().unwrap();
+        let root = dir.path();
+        std::fs::create_dir_all(root.join("src/Http")).unwrap();
+        let file = root.join("src/Http/Kernel.php");
+        assert_eq!(formatter::php_cs_fixer(&file), None);
+        std::fs::write(root.join(".php-cs-fixer.dist.php"), "<?php").unwrap();
+        assert_eq!(formatter::php_cs_fixer(&file), None, "no vendor/bin/php-cs-fixer");
+        std::fs::create_dir_all(root.join("vendor/bin")).unwrap();
+        std::fs::write(root.join("vendor/bin/php-cs-fixer"), "").unwrap();
+        let found = formatter::php_cs_fixer(&file).unwrap();
+        assert_eq!(found.config, root.join(".php-cs-fixer.dist.php"));
+        assert_eq!(found.bin, root.join("vendor/bin/php-cs-fixer"));
+        std::fs::write(root.join(".php-cs-fixer.php"), "<?php").unwrap();
+        assert_eq!(formatter::php_cs_fixer(&file).unwrap().config, root.join(".php-cs-fixer.php"));
+        std::fs::write(root.join("src/.php-cs-fixer.dist.php"), "<?php").unwrap();
+        assert_eq!(formatter::php_cs_fixer(&file).unwrap().config, root.join("src/.php-cs-fixer.dist.php"));
+    }
+
+    #[cfg(unix)]
+    #[test]
+    fn php_cs_fixer_fixes_a_copy_of_the_unsaved_text() {
+        use std::os::unix::fs::PermissionsExt;
+        let dir = tempfile::tempdir().unwrap();
+        let root = dir.path();
+        let fixer = formatter::PhpCsFixer { config: root.join(".php-cs-fixer.dist.php"), bin: root.join("fixer") };
+        std::fs::write(&fixer.config, "<?php").unwrap();
+        let php = root.join("php");
+        // Stands in for `php vendor/bin/php-cs-fixer fix … <file>`: rewrites the last argument.
+        std::fs::write(
+            &php,
+            "#!/bin/sh\nfor last; do :; done\ncase \"$last\" in */Kernel.php) ;; *) exit 3 ;; esac\n\
+             [ \"$2\" = fix ] || exit 4\nsed 's/  echo/    echo/' \"$last\" > \"$last.new\" && mv \"$last.new\" \"$last\"\n",
+        )
+        .unwrap();
+        std::fs::set_permissions(&php, std::fs::Permissions::from_mode(0o755)).unwrap();
+        let file = root.join("src/Kernel.php");
+        let tools = Tools::new(&root.join("tools"));
+        let edits = php_cs_fixer_edits(&tools, Some(&php), &fixer, &file, "<?php\n  echo 1;\n").unwrap();
+        assert_eq!(edits.len(), 1);
+        assert_eq!(edits[0].new_text, "  ");
+        assert!(!file.exists(), "the file on disk is left alone");
+
+        std::fs::write(&php, "#!/bin/sh\necho 'Configuration file is invalid' >&2\nexit 16\n").unwrap();
+        let err = php_cs_fixer_edits(&tools, Some(&php), &fixer, &file, "<?php\n").unwrap_err();
+        assert!(
+            err.message.starts_with("PHP-CS-Fixer: ") && err.message.contains("Configuration file is invalid"),
+            "{}",
+            err.message
+        );
+    }
+
    #[test]
    fn ruff_ranges_are_one_based_unicode_columns() {
        let text = ide_text::Document::new("😀x = 1\ny  =  2\n");
@@ -170,8 +170,7 @@ impl KotlinBridge {
            let settings = self.settings.effective();
            let has_sources = tokio::task::spawn_blocking(move || {
                let model = crate::ops::build::load(&root, &cache, &settings);
-                let enabled =
-                    model.maven.as_ref().is_some_and(|m| !m.projects.is_empty()) && kotlin_bridge::has_kotlin(&root);
+                let enabled = kotlin_bridge::has_kotlin(&root, &model);
                (model, enabled)
            })
            .await;
@@ -223,6 +223,10 @@ impl Host {
            self.cancel_request(request);
        }
        let project = self.projects.write().remove(window)?;
+        if let Some(plugins) = plugins::editor_plugin_host() {
+            plugins.invalidate_client_navigation(&project.root, Some(window), None);
+            plugins.set_active_file(window, None);
+        }
        if !project.light {
            self.environment.project_closed();
        }
@@ -244,7 +248,8 @@ impl Host {
            vec![project.notebooks.clone()],
            project.kotlin_bridge.iter().cloned().collect(),
            Some(project.lsp.clone()),
-            Some((self.debugger.clone(), window.to_owned())),
+            Some((self.debugger.clone(), window.to_owned(), project.root.clone())),
+            Some(project),
        ))
    }

@@ -256,7 +261,8 @@ impl Host {
        notebooks: Vec<Arc<notebook::NotebookService>>,
        bridges: Vec<Arc<kotlin_bridge::KotlinBridge>>,
        lsp: Option<Arc<ide_lsp::LspManager>>,
-        debug: Option<(Arc<ide_dap::DebugManager>, String)>,
+        debug: Option<(Arc<ide_dap::DebugManager>, String, std::path::PathBuf)>,
+        retired: Option<Arc<Project>>,
    ) -> std::thread::JoinHandle<()> {
        for bridge in &bridges {
            bridge.stop();
@@ -266,6 +272,10 @@ impl Host {
        }
        let runtime = self.runtime.clone();
        std::thread::spawn(move || {
+            // Dropping the project stops its file watcher and index worker, which first finish the
+            // batch they are applying (many file events while a build writes its output), so it
+            // isn't done on the closing caller's thread (the UI thread for a window close).
+            let retired = retired.map(|project| std::thread::spawn(move || drop(project)));
            runtime.block_on(async move {
                for bridge in bridges {
                    bridge.shutdown().await;
@@ -276,10 +286,14 @@ impl Host {
                if let Some(lsp) = lsp {
                    lsp.shutdown_all().await;
                }
-                if let Some((debug, key)) = debug {
+                if let Some((debug, key, root)) = debug {
                    debug.stop_key(&key).await;
+                    debug.stop_under(&root).await;
                }
            });
+            if let Some(retired) = retired {
+                let _ = retired.join();
+            }
        })
    }

@@ -319,6 +333,7 @@ impl Host {
            projects.iter().filter_map(|project| project.kotlin_bridge.clone()).collect(),
            None,
            None,
+            None,
        ));
        let deadline = std::time::Instant::now() + EXIT_SHUTDOWN_WAIT;
        while pending.iter().any(|handle| !handle.is_finished()) {
@@ -335,6 +350,14 @@ impl Host {
        }
    }

+    /// Called on desktop exit: kills the runs and terminal shells still alive. Closing a
+    /// window stops what it started, but a quit from the Dock, the app menu or a logout
+    /// exits without closing the windows, and the process trees would outlive the app.
+    pub fn stop_processes_on_exit(&self) {
+        self.processes.kill_all();
+        self.terminals.kill_all();
+    }
+
    /// Called before desktop exit, which may bypass document destructors.
    pub fn clear_workspace_edit_history_on_exit(&self) {
        for project in self.projects() {
@@ -422,3 +445,37 @@ impl Host {
        self.projects.write().insert(window.to_owned(), project);
    }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn detached_close_releases_the_project_before_a_reopen() {
+        let temp = tempfile::tempdir().unwrap();
+        let base = dunce::canonicalize(temp.path()).unwrap();
+        let root = base.join("project");
+        std::fs::create_dir(&root).unwrap();
+        std::fs::write(root.join("main.rs"), "fn main() {}\n").unwrap();
+        let host = Host::new(HostConfig {
+            config_dir: base.join("config"),
+            data_dir: base.join("data"),
+            local_data_dir: base.join("local"),
+            languages: Arc::new(ide_language::LanguageRegistry::load(None).unwrap()),
+            syntax: Arc::default(),
+            sink_for: Box::new(|_| Arc::new(|_| {})),
+            owner: |w| w,
+            runtime: tokio::runtime::Handle::current(),
+            project_environment: false,
+        });
+        let project = Arc::downgrade(&host.open_project("main", &root).unwrap());
+        host.close_project_detached("main");
+        assert!(host.project("main").is_err());
+        // The project (its file watcher and index database) is dropped off the closing thread, but
+        // before opening a project waits out the close.
+        host.wait_detached_closes();
+        assert!(project.upgrade().is_none(), "the closed project is dropped");
+        host.open_project("main", &root).unwrap();
+        host.close_project("main");
+    }
+}
@@ -238,6 +238,11 @@ pub fn cancel(host: &Host, window: &str, task: String, subagent: Option<String>)
    host.project(window)?.agents.cancel(&task, subagent)
 }

+/// Stops one of the task's background tasks.
+pub async fn stop_background(host: &Host, window: &str, task: String, background: String) -> IdeResult<()> {
+    host.project(window)?.agents.stop_background(&task, &background).await
+}
+
 /// Answers a permission request; `option: None` cancels it.
 pub fn respond(host: &Host, window: &str, task: String, permission: u32, option: Option<String>) -> IdeResult<()> {
    host.require_trust(window)?;
@@ -297,6 +302,9 @@ pub(crate) fn register(d: &mut Dispatcher) {
    d.add("agent_rollback", |c| async move { rollback(&c.host, &c.window, c.arg("task")?, c.arg("turns")?).await });
    d.add("agent_probe", |c| async move { probe(&c.host, &c.window, c.arg("provider")?, c.arg("refresh")?).await });
    d.add("agent_cancel", |c| async move { cancel(&c.host, &c.window, c.arg("task")?, c.arg("subagent")?) });
+    d.add("agent_stop_background", |call| async move {
+        stop_background(&call.host, &call.window, call.arg("task")?, call.arg("background")?).await
+    });
    d.add("agent_respond", |c| async move {
        respond(&c.host, &c.window, c.arg("task")?, c.arg("permission")?, c.arg("option")?)
    });
@@ -5,10 +5,11 @@ use crate::rpc::Dispatcher;
 use crate::{Host, Project, apply_workspace_edit};

 use ide_build::compile::{self, BuildEvent, BuildKind, BuildResult};
+use ide_build::maven::PomGoto;
 use ide_build::pom_edit::{ArtifactKey, Exclusion};
 use ide_build::{BuildModel, BuildTool, SyncOptions, SyncProgress};
 use ide_core::settings::Settings;
-use ide_core::{FileEdit, IdeError, IdeEvent, IdeResult, Location, Range, RequestId, WorkspaceEdit};
+use ide_core::{FileEdit, IdeError, IdeEvent, IdeResult, Location, Pos, Range, RequestId, WorkspaceEdit};
 use std::collections::BTreeMap;
 use std::path::Path;

@@ -47,8 +48,8 @@ pub fn load(root: &Path, cache: &Path, settings: &Settings) -> BuildModel {
        }
    }
    for g in &mut model.gradle {
-        g.env = ide_sdk::apply::gradle_env(root, settings, java_env(jdk.as_ref(), g.java_version));
        g.command = ide_sdk::apply::gradle_command(root, &root.join(&g.dir), settings).to_string_lossy().into_owned();
+        g.env = ide_sdk::apply::gradle_build_env(root, &root.join(&g.dir), &g.command, settings, g.java_version);
    }
    // A failed sync of a project no installed JDK can build says so first (with a Download JDK action).
    let missing = |release: Option<u32>| match jdk {
@@ -76,6 +77,42 @@ pub fn load(root: &Path, cache: &Path, settings: &Settings) -> BuildModel {
    model
 }

+/// Build and Run use the same selected toolchain and module-local runtime discovery.
+fn prepare_plan(mut plan: compile::BuildPlan, root: &Path, settings: &Settings) -> compile::BuildPlan {
+    let kind = match plan.system {
+        compile::BuildSystem::Cargo => "cargo",
+        compile::BuildSystem::Go => "go",
+        compile::BuildSystem::TypeScript => "npm",
+        _ => return plan,
+    };
+    for step in &mut plan.steps {
+        let mut config = ide_run::RunConfig {
+            id: String::new(),
+            name: String::new(),
+            kind: kind.into(),
+            command: step.program.clone(),
+            args: step.args.clone(),
+            cwd: Some(step.cwd.clone().into()),
+            env: step.env.clone(),
+            detected: true,
+            is_test: false,
+            debug_adapter: None,
+            allow_parallel: false,
+            extras: Default::default(),
+        };
+        config.extras.module = Some(ide_core::ipc_path::to_ipc(&step.cwd));
+        ide_sdk::apply::apply_to_run_configs(std::slice::from_mut(&mut config), root, settings);
+        if kind == "go" {
+            config.extras.params.insert("useTags".into(), "true".into());
+            ide_sdk::go::apply_to_run(&mut config, &settings.languages.go.build_tags);
+        }
+        step.program = config.command;
+        step.args = config.args;
+        step.env = config.env;
+    }
+    plan
+}
+
 /// `model` building with the Maven profiles of the last sync (`-P`), as Maven runs from
 /// the tool window do.
 fn with_profiles(mut model: BuildModel, cache: &Path) -> BuildModel {
@@ -404,6 +441,27 @@ pub async fn maven_dependency_declaration(
    .map_err(join_err)?
 }

+/// The go-to-declaration target at `pos` of the Maven POM `pom` (project-relative, or
+/// absolute for a parent POM opened from the local repository): the definition of the
+/// `${property}` at the caret, or the `<dependencyManagement>` / `<pluginManagement>`
+/// entry providing the dependency's / plugin's version, along the parent chain (into
+/// the local repository when a parent is not in the project). `None` when nothing
+/// resolvable is under the caret.
+pub async fn maven_goto_declaration(host: &Host, window: &str, pom: String, pos: Pos) -> IdeResult<Option<PomGoto>> {
+    let project = host.project(window)?;
+    tokio::task::spawn_blocking(move || {
+        let given = Path::new(&pom);
+        let path = if given.is_absolute() { given.to_path_buf() } else { project.root.join(given) };
+        let text = project.text_of(&path)?;
+        let settings = project.settings.effective();
+        let repo = ide_sdk::apply::maven_local_repository(&project.root, &settings)
+            .or_else(ide_build::maven::default_local_repo);
+        Ok(ide_build::maven::goto_declaration(&text, &path, pos, repo))
+    })
+    .await
+    .map_err(join_err)?
+}
+
 /// Adds an `<exclusion>` of `exclusion` to the declaration of the direct dependency
 /// `dependency` of the Maven module `pom`, through the open document when there is one
 /// (saved). Returns the declaration; nothing changes when it already excludes it.
@@ -467,7 +525,11 @@ pub async fn build_run(
                let settings = ide_workspace::SettingsStore::load(&config_dir, Some(member)).effective();
                let member_cache = cache.join(crate::project::project_key(member));
                let model = with_profiles(load(member, &member_cache, &settings), &member_cache);
-                let plan = compile::plan(member, &model, kind, file.as_deref(), settings.cmake.profiles.as_deref())?;
+                let plan = prepare_plan(
+                    compile::plan(member, &model, kind, file.as_deref(), settings.cmake.profiles.as_deref())?,
+                    member,
+                    &settings,
+                );
                match &mut combined {
                    Some(combined) => combined.steps.extend(plan.steps),
                    None => combined = Some(plan),
@@ -477,13 +539,17 @@ pub async fn build_run(
            plan.title = workspace.name;
            plan
        } else {
-            compile::plan(
+            prepare_plan(
+                compile::plan(
+                    &root,
+                    &with_profiles(load(&root, &cache, &settings), &cache),
+                    kind,
+                    file.as_deref(),
+                    settings.cmake.profiles.as_deref(),
+                )?,
                &root,
-                &with_profiles(load(&root, &cache, &settings), &cache),
-                kind,
-                file.as_deref(),
-                settings.cmake.profiles.as_deref(),
-            )?
+                &settings,
+            )
        };
        let result = compile::run(&root, &plan, &token, &|e| {
            let _ = on_event.send(e);
@@ -538,6 +604,9 @@ pub(crate) fn register(d: &mut Dispatcher) {
    d.add("maven_dependency_declaration", |c| async move {
        maven_dependency_declaration(&c.host, &c.window, c.arg("pom")?, c.arg("dependency")?).await
    });
+    d.add("maven_goto_declaration", |c| async move {
+        maven_goto_declaration(&c.host, &c.window, c.arg("pom")?, c.arg("pos")?).await
+    });
    d.add("maven_exclude_dependency", |c| async move {
        maven_exclude_dependency(&c.host, &c.window, c.arg("pom")?, c.arg("dependency")?, c.arg("exclusion")?).await
    });
@@ -559,6 +628,46 @@ pub(crate) fn register(d: &mut Dispatcher) {
 mod gradle_settings_tests {
    use super::*;

+    #[test]
+    fn builds_apply_the_same_explicit_toolchains_as_runs() {
+        let temp = tempfile::tempdir().unwrap();
+        let root = temp.path();
+        let tool = |name: &str| format!("{name}{}", std::env::consts::EXE_SUFFIX);
+        for name in ["cargo", "go"] {
+            let path = root.join("sdk").join("bin").join(tool(name));
+            std::fs::create_dir_all(path.parent().unwrap()).unwrap();
+            std::fs::write(path, "").unwrap();
+        }
+        let mut settings = Settings::default();
+        settings.languages.rust.toolchain = "sdk".into();
+        settings.languages.go.goroot = "sdk".into();
+        settings.languages.go.build_tags.custom = "integration".into();
+        settings.languages.node.package_manager = "yarn".into();
+        for (marker, source, program) in [
+            (
+                "Cargo.toml",
+                "[package]\nname='demo'\nversion='0.1.0'",
+                root.join("sdk").join("bin").join(tool("cargo")).to_string_lossy().into_owned(),
+            ),
+            ("go.mod", "module demo", root.join("sdk").join("bin").join(tool("go")).to_string_lossy().into_owned()),
+            ("package.json", r#"{"scripts":{"build":"echo built"},"packageManager":"pnpm@10"}"#, "yarn".into()),
+        ] {
+            let dir = root.join(marker.replace('.', "-"));
+            std::fs::create_dir_all(&dir).unwrap();
+            std::fs::write(dir.join(marker), source).unwrap();
+            let plan = prepare_plan(
+                compile::plan(&dir, &Default::default(), BuildKind::Artifacts, None, None).unwrap(),
+                root,
+                &settings,
+            );
+            assert_eq!(plan.steps[0].program, program);
+            assert_eq!(plan.steps[0].cwd, dir);
+            if marker == "go.mod" {
+                assert!(plan.steps[0].args.contains(&"-tags=integration".into()));
+            }
+        }
+    }
+
    #[test]
    fn linking_retains_the_implicit_build_and_unlinking_all_stays_empty() {
        let tmp = tempfile::tempdir().unwrap();
@@ -162,6 +162,11 @@ pub async fn debug_pause(host: &Host, _window: &str, session: DebugSessionId, th
    host.debugger.pause(session, thread_id).await
 }

+/// Types `text` into the session's program (a `runInTerminal` program).
+pub async fn debug_send_input(host: &Host, _window: &str, session: DebugSessionId, text: String) -> IdeResult<()> {
+    host.debugger.send_input(session, &text)
+}
+
 pub async fn debug_hot_reload(host: &Host, _window: &str, session: DebugSessionId) -> IdeResult<()> {
    host.debugger.hot_reload(session).await
 }
@@ -381,6 +386,9 @@ pub(crate) fn register(d: &mut Dispatcher) {
        "debug_pause",
        |c| async move { debug_pause(&c.host, &c.window, c.arg("session")?, c.arg("threadId")?).await },
    );
+    d.add("debug_send_input", |c| async move {
+        debug_send_input(&c.host, &c.window, c.arg("session")?, c.arg("text")?).await
+    });
    d.add("debug_step", |c| async move {
        debug_step(&c.host, &c.window, c.arg("session")?, c.arg("threadId")?, c.arg("kind")?).await
    });
@@ -3,6 +3,7 @@ use crate::Host;
 use crate::apply_workspace_edit as apply_edit;
 use crate::plugins::{ProviderKind, editor_providers_for as editor_providers};
 use crate::rpc::Dispatcher;
+use ide_core::error::ErrorKind;
 use ide_core::{DocId, IdeResult, Location, Pos, Range, RequestId, ServerId, TextEdit, WorkspaceEdit};
 use ide_lsp::types::*;
 use ide_plugin::ProviderDocument;
@@ -46,7 +47,7 @@ pub async fn lsp_completion(
    let Some((plugins, d)) = plugin_providers(host, window, doc, ProviderKind::Completion) else { return result };
    let items = plugin_call(move || plugins.provide_completion(&d, pos, trigger.as_deref())).await.unwrap_or_default();
    if items.is_empty() {
-        return result;
+        return Ok(result.unwrap_or(CompletionList { is_incomplete: true, items: Vec::new() }));
    }
    let mut list = result.unwrap_or(CompletionList { is_incomplete: false, items: Vec::new() });
    list.items.extend(items.into_iter().map(|(_, item)| plugin_completion(item)));
@@ -204,20 +205,82 @@ pub async fn lsp_signature_help(host: &Host, window: &str, doc: DocId, pos: Pos)
 }

 pub async fn lsp_goto(host: &Host, window: &str, doc: DocId, pos: Pos, kind: GotoKind) -> IdeResult<Vec<Location>> {
+    if kind == GotoKind::Definition
+        && let Some(plugins) = crate::plugins::editor_plugin_host()
+    {
+        let project = host.project(window)?;
+        let (path, version) = project.documents.identity(doc)?;
+        if let Some(found) = plugins.navigation_at(&project.root, &path, version, pos, Some(window), |p| {
+            project.documents.by_path(p).and_then(|id| project.documents.version(id).ok())
+        }) {
+            return Ok(found.targets);
+        }
+    }
    let result = host.project(window)?.lsp.goto(doc, pos, kind).await;
    if kind != GotoKind::Definition {
        return result;
    }
    let Some((plugins, d)) = plugin_providers(host, window, doc, ProviderKind::Definition) else { return result };
    let found = plugin_call(move || plugins.provide_definition(&d, pos)).await.unwrap_or_default();
-    if found.is_empty() {
-        return result;
+    let found: Vec<Location> =
+        found.into_iter().map(|l| Location { path: l.path.into(), range: l.range, uri: None }).collect();
+    let in_string = !found.is_empty() && in_string_literal(host, window, doc, pos).await;
+    definition_targets(result, found, in_string)
+}
+
+async fn in_string_literal(host: &Host, window: &str, doc: DocId, pos: Pos) -> bool {
+    let Ok(project) = host.project(window) else { return false };
+    blocking(move || {
+        let snap = project.documents.text_snapshot(doc)?;
+        if snap.large {
+            return Ok(false);
+        }
+        let s = ide_syntax::Snapshot::doc(doc, snap.version, &snap.language, &snap.text);
+        Ok(string_at(&project.structure, &s, pos))
+    })
+    .await
+    .unwrap_or(false)
+}
+
+fn string_at(structure: &ide_syntax::StructureService, snap: &ide_syntax::Snapshot, pos: Pos) -> bool {
+    let cancel = ide_core::CancellationToken::new();
+    let Ok(Some(at)) = structure.node_at(snap, Range::new(pos, pos), &cancel) else { return false };
+    let stringy = |kind: &str| kind.contains("string") || kind.contains("heredoc") || kind.contains("nowdoc");
+    let part = |kind: &str| kind.contains("content") || kind.contains("fragment") || kind.contains("escape");
+    stringy(&at.node.kind) || (part(&at.node.kind) && at.ancestors.first().is_some_and(|parent| stringy(&parent.kind)))
+}
+
+fn definition_targets(
+    server: IdeResult<Vec<Location>>,
+    plugin: Vec<Location>,
+    in_string: bool,
+) -> IdeResult<Vec<Location>> {
+    if plugin.is_empty() {
+        return server.map(without_generated_helpers);
    }
-    let mut out = result.unwrap_or_default();
-    out.extend(found.into_iter().map(|l| Location { path: l.path.into(), range: l.range, uri: None }));
+    if in_string {
+        return Ok(plugin);
+    }
+    let same_place = |l: &Location| plugin.iter().any(|p| p.path == l.path && p.range.start.line == l.range.start.line);
+    let server: Vec<Location> =
+        without_generated_helpers(server.unwrap_or_default()).into_iter().filter(|l| !same_place(l)).collect();
+    let mut out = plugin;
+    out.extend(server);
    Ok(out)
 }

+fn without_generated_helpers(locations: Vec<Location>) -> Vec<Location> {
+    let generated = |l: &Location| {
+        let path = l.path.to_string_lossy().replace('\\', "/");
+        let file = path.rsplit('/').next().unwrap_or(&path);
+        file.starts_with("_ide_helper") || file == ".phpstorm.meta.php" || path.contains("/vendor/_laravel_ide")
+    };
+    if locations.iter().all(generated) {
+        return locations;
+    }
+    locations.into_iter().filter(|l| !generated(l)).collect()
+}
+
 /// Gutter markers from plugins (`line-markers` providers) for `doc`.
 pub async fn plugin_line_markers(
    host: &Host,
@@ -257,6 +320,28 @@ pub async fn lsp_implementations(
    result
 }

+/// Go to Implementation of the symbol at `pos`. Implementations found before a slower
+/// search for the rest (Java: the project's, before the dependencies') arrive on
+/// `on_partial`; the result has them all. Cancel with `cancel_request(request)`.
+pub async fn lsp_goto_implementation(
+    host: &Host,
+    window: &str,
+    request: RequestId,
+    doc: DocId,
+    pos: Pos,
+    on_partial: super::Channel<Vec<Location>>,
+) -> IdeResult<Vec<Location>> {
+    let lsp = host.project(window)?.lsp.clone();
+    let cancel = host.begin_request(request);
+    let result = lsp
+        .goto_implementation(doc, pos, cancel, &|locs| {
+            let _ = on_partial.send(locs);
+        })
+        .await;
+    host.end_request(request);
+    result
+}
+
 /// Contents of a read-only language-server document, including JDT library
 /// classes and disk class files. Cached per project.
 pub async fn lsp_virtual_document(host: &Host, window: &str, uri: String) -> IdeResult<VirtualDocument> {
@@ -274,7 +359,11 @@ pub async fn lsp_resolve_class_file(host: &Host, window: &str, path: std::path::

 /// References of the symbol at `pos`. `project_wide` also searches project files
 /// outside the language server's analysis scope; bulk scans over many symbols
-/// leave it off. Cancel with `cancel_request(request)`.
+/// leave it off. Java, `project_wide`: without `libraries`, the dependencies and the JDK
+/// are not searched; with it, those found in the sources arrive on `on_partial` before
+/// the slower search for the rest, and the result has them all. Cancel with
+/// `cancel_request(request)`.
+#[allow(clippy::too_many_arguments)]
 pub async fn lsp_references(
    host: &Host,
    window: &str,
@@ -283,10 +372,24 @@ pub async fn lsp_references(
    pos: Pos,
    include_declaration: bool,
    project_wide: bool,
+    libraries: bool,
+    on_partial: super::Channel<References>,
 ) -> IdeResult<References> {
    let lsp = host.project(window)?.lsp.clone();
    let cancel = host.begin_request(request);
-    let result = lsp.references(doc, pos, include_declaration, project_wide, cancel).await;
+    let result = lsp
+        .references_streaming(
+            doc,
+            pos,
+            include_declaration,
+            project_wide,
+            libraries,
+            cancel,
+            Some(&|refs| {
+                let _ = on_partial.send(refs);
+            }),
+        )
+        .await;
    host.end_request(request);
    result
 }
@@ -563,7 +666,22 @@ pub async fn lsp_inlay_hints(host: &Host, window: &str, doc: DocId, range: Range
 }

 pub async fn lsp_semantic_tokens(host: &Host, window: &str, doc: DocId) -> IdeResult<Option<SemanticTokens>> {
-    host.project(window)?.lsp.semantic_tokens(doc).await
+    let lsp = host.project(window)?.lsp.clone();
+    let Some((plugins, d)) = plugin_providers(host, window, doc, ProviderKind::SemanticTokens) else {
+        return lsp.semantic_tokens(doc).await;
+    };
+    let (result, tokens) =
+        tokio::join!(lsp.semantic_tokens(doc), plugin_call(move || plugins.provide_semantic_tokens(&d)));
+    let tokens = tokens.unwrap_or_default();
+    if tokens.is_empty() {
+        return result;
+    }
+    let server = match result {
+        Ok(server) => server,
+        Err(e) if matches!(e.kind, ErrorKind::NotFound | ErrorKind::Unavailable) => None,
+        Err(e) => return Err(e),
+    };
+    Ok(Some(crate::plugins::merge_semantic_tokens(server, tokens)))
 }

 pub async fn lsp_code_lens(host: &Host, window: &str, doc: DocId) -> IdeResult<Vec<CodeLens>> {
@@ -746,12 +864,17 @@ pub(crate) fn register(d: &mut Dispatcher) {
    d.add("lsp_implementations", |c| async move {
        lsp_implementations(&c.host, &c.window, c.arg("request")?, c.arg("doc")?, c.arg("positions")?).await
    });
+    d.add("lsp_goto_implementation", |c| async move {
+        let on_partial = c.sender("onPartial")?;
+        lsp_goto_implementation(&c.host, &c.window, c.arg("request")?, c.arg("doc")?, c.arg("pos")?, on_partial).await
+    });
    d.add(
        "lsp_resolve_class_file",
        |c| async move { lsp_resolve_class_file(&c.host, &c.window, c.arg("path")?).await },
    );
    d.add("lsp_virtual_document", |c| async move { lsp_virtual_document(&c.host, &c.window, c.arg("uri")?).await });
    d.add("lsp_references", |c| async move {
+        let on_partial = c.sender("onPartial")?;
        lsp_references(
            &c.host,
            &c.window,
@@ -760,6 +883,8 @@ pub(crate) fn register(d: &mut Dispatcher) {
            c.arg("pos")?,
            c.arg("includeDeclaration")?,
            c.arg("projectWide")?,
+            c.arg("libraries")?,
+            on_partial,
        )
        .await
    });
@@ -882,6 +1007,79 @@ mod tests {
        assert!(eager.edit.is_some() && eager.data.is_none());
    }

+    #[test]
+    fn plugin_definitions_own_strings_and_join_the_server_elsewhere() {
+        let at = |path: &str, line: u32| Location {
+            path: path.into(),
+            range: Range::new(Pos::new(line, 0), Pos::new(line, 4)),
+            uri: None,
+        };
+        let paths = |found: IdeResult<Vec<Location>>| {
+            found.unwrap().into_iter().map(|l| l.path.to_string_lossy().into_owned()).collect::<Vec<_>>()
+        };
+        let xml = at("/p/src/main/resources/UserMapper.xml", 3);
+        let java = at("/p/src/main/java/UserMapper.java", 7);
+        let helper = at("/p/_ide_helper.php", 1);
+        let route = at("/p/routes/web.php", 2);
+        let guess = at("/p/app/helpers.php", 9);
+
+        assert_eq!(
+            paths(definition_targets(Ok(vec![java.clone(), helper.clone()]), vec![xml.clone()], false)),
+            ["/p/src/main/resources/UserMapper.xml", "/p/src/main/java/UserMapper.java"]
+        );
+        assert_eq!(
+            paths(definition_targets(Ok(vec![xml.clone(), java.clone()]), vec![xml.clone()], false)),
+            ["/p/src/main/resources/UserMapper.xml", "/p/src/main/java/UserMapper.java"]
+        );
+        assert_eq!(
+            paths(definition_targets(Ok(vec![guess.clone(), helper.clone()]), vec![route.clone()], true)),
+            ["/p/routes/web.php"]
+        );
+        assert_eq!(
+            paths(definition_targets(Err(ide_core::IdeError::unavailable("no server")), vec![route.clone()], false)),
+            ["/p/routes/web.php"]
+        );
+        assert_eq!(paths(definition_targets(Ok(vec![helper, guess]), Vec::new(), false)), ["/p/app/helpers.php"]);
+    }
+
+    #[test]
+    fn positions_inside_string_literals_are_told_apart() {
+        let syntax = std::sync::Arc::new(ide_language::Syntax::new());
+        let structure = ide_syntax::StructureService::new(std::sync::Arc::new(ide_language::SyntaxCache::new(syntax)));
+        let php = ide_core::LanguageId::new("php");
+        let text = "<?php\nreturn to_route('users.show', $user);\necho \"Hi {$name}\";\n";
+        let snap = ide_syntax::Snapshot::text(&php, text);
+        assert!(string_at(&structure, &snap, Pos::new(1, 20)), "inside 'users.show'");
+        assert!(!string_at(&structure, &snap, Pos::new(1, 9)), "on to_route");
+        assert!(!string_at(&structure, &snap, Pos::new(1, 35)), "on $user");
+        assert!(!string_at(&structure, &snap, Pos::new(2, 12)), "on an interpolated variable");
+        let java = ide_core::LanguageId::new("java");
+        let text = "class A {\n    User find(long id) { return mapper.selectById(\"users\"); }\n}\n";
+        let snap = ide_syntax::Snapshot::text(&java, text);
+        assert!(!string_at(&structure, &snap, Pos::new(1, 9)), "on a method name");
+        assert!(string_at(&structure, &snap, Pos::new(1, 53)), "inside \"users\"");
+    }
+
+    #[test]
+    fn generated_ide_helpers_give_way_to_real_declarations() {
+        let at = |path: &str| Location { path: path.into(), range: Range::default(), uri: None };
+        let paths =
+            |found: Vec<Location>| found.into_iter().map(|l| l.path.to_string_lossy().into_owned()).collect::<Vec<_>>();
+        let real = at("/app/app/Models/User.php");
+        let helper = at("/app/_ide_helper_models.php");
+        let meta = at("/app/.phpstorm.meta.php");
+        let vendor = at("/app/vendor/_laravel_idea/_ide_helper.php");
+        assert_eq!(
+            paths(without_generated_helpers(vec![helper.clone(), real.clone(), meta.clone(), vendor])),
+            ["/app/app/Models/User.php"]
+        );
+        assert_eq!(
+            paths(without_generated_helpers(vec![helper.clone(), meta.clone()])),
+            ["/app/_ide_helper_models.php", "/app/.phpstorm.meta.php"]
+        );
+        assert!(without_generated_helpers(Vec::new()).is_empty());
+    }
+
    #[test]
    fn every_completion_kind_the_plugin_api_documents_is_understood() {
        let wit = include_str!("../../../../wit/providers.wit");
@@ -1,5 +1,6 @@
 use super::Emit;
 use crate::Host;
+use ide_core::remote_settings::RunTargetKind;
 use ide_core::{IdeError, IdeResult, RunId};
 use ide_run::{OutputChunk, RunConfig, RunInfo, StartOptions};
 use std::time::Duration;
@@ -27,9 +28,12 @@ pub fn configs(host: &Host, window: &str) -> IdeResult<Vec<RunConfig>> {
                        task.target = format!("workspace:{}:{}", key, task.target);
                    }
                }
+                for id in &mut config.extras.compound {
+                    *id = format!("workspace:{key}:{id}");
+                }
                config.id = format!("workspace:{}:{}", key, config.id);
                config.name = format!("{name} / {}", config.name);
-                config.cwd = Some(config.cwd.map(|p| member.join(&*p)).unwrap_or_else(|| member.clone()).into());
+                ide_run::scope::rebase(&mut config, &member, None);
                config.detected = true;
                if !user.iter().any(|u| u.id == config.id) && !root_suppressed.contains(&config.id) {
                    all.push(config);
@@ -50,10 +54,18 @@ fn detected_and_saved(
    suppressed: &[String],
 ) -> Vec<RunConfig> {
    let excluded_poms = crate::project::unlinked_maven_poms(root, settings);
+    let gradle = settings
+        .languages
+        .java
+        .gradle
+        .linked_projects
+        .as_ref()
+        .map(|_| ide_build::gradle::load_linked(root, &settings.languages.java.gradle));
    let mut all: Vec<RunConfig> =
        ide_run::detect_with_profiles(root, &excluded_poms, settings.cmake.profiles.as_deref())
            .into_iter()
            .filter(|d| !suppressed.contains(&d.id) && !saved.iter().any(|u| u.id == d.id))
+            .filter(|d| linked_config(root, gradle.as_deref(), &excluded_poms, d))
            .collect();
    all.extend(saved.iter().cloned());
    for config in all.iter_mut().filter(|c| !matches!(c.kind.as_str(), "gradle" | "maven")) {
@@ -62,6 +74,41 @@ fn detected_and_saved(
    all
 }

+fn linked_config(
+    root: &std::path::Path,
+    gradle: Option<&[ide_build::GradleModel]>,
+    excluded_poms: &[std::path::PathBuf],
+    config: &RunConfig,
+) -> bool {
+    let module = config
+        .extras
+        .module
+        .as_deref()
+        .map(std::path::Path::new)
+        .or(config.cwd.as_deref())
+        .unwrap_or(std::path::Path::new(""));
+    let owner = ide_core::project_roots::resolve(root, module);
+    if matches!(config.kind.as_str(), "maven" | "application" | "spring-boot")
+        && excluded_poms.iter().any(|pom| ide_core::project_roots::resolve(root, pom).parent() == Some(owner.as_path()))
+    {
+        return false;
+    }
+    if gradle.is_some()
+        && (config.kind == "gradle"
+            || (matches!(config.kind.as_str(), "application" | "spring-boot")
+                && ["build.gradle", "build.gradle.kts"].iter().any(|name| owner.join(name).is_file())))
+    {
+        return gradle.unwrap_or_default().iter().any(|build| {
+            if config.kind == "gradle" {
+                root.join(&build.dir) == owner
+            } else {
+                build.projects.iter().any(|p| root.join(&p.dir) == owner)
+            }
+        });
+    }
+    true
+}
+
 /// Saves the user configurations. They come from [`configs`], toolchains applied, so what
 /// settings derived is dropped again: only the user's own choices reach `run.toml`.
 pub fn save_configs(
@@ -86,11 +133,22 @@ pub fn save_configs(
 fn settings_for(
    host: &Host,
    project: &crate::project::Project,
-    config: &RunConfig,
+    config: &mut RunConfig,
 ) -> IdeResult<(std::path::PathBuf, ide_core::settings::Settings)> {
-    let member = ide_workspace::workspace::Workspace::load(&project.root)?.and_then(|workspace| {
-        let cwd = config.cwd.as_deref()?;
-        workspace.projects.into_iter().filter(|root| cwd.starts_with(root)).max_by_key(|root| root.components().count())
+    let workspace = ide_workspace::workspace::Workspace::load(&project.root)?;
+    if workspace.is_some() {
+        if config.extras.module.is_none() && !matches!(config.kind.as_str(), "application" | "spring-boot") {
+            config.extras.module = config.cwd.as_deref().map(ide_core::ipc_path::to_ipc);
+        }
+        ide_run::scope::rebase(config, &project.root, None);
+    }
+    let member = workspace.and_then(|workspace| {
+        let owner = ide_run::scope::owner(&project.root, config);
+        workspace
+            .projects
+            .into_iter()
+            .filter(|root| owner.starts_with(root))
+            .max_by_key(|root| root.components().count())
    });
    Ok(match member {
        Some(root) => {
@@ -108,11 +166,11 @@ pub fn without_derived(host: &Host, window: &str, configs: Vec<RunConfig>) -> Id
    let project = host.project(window)?;
    configs
        .into_iter()
-        .map(|c| {
+        .map(|mut c| {
            if c.kind == "gradle" {
                return Ok(c);
            }
-            let (root, settings) = settings_for(host, &project, &c)?;
+            let (root, settings) = settings_for(host, &project, &mut c)?;
            Ok(ide_sdk::apply::without_derived(&c, &root, &settings))
        })
        .collect()
@@ -126,7 +184,7 @@ pub fn apply_settings(host: &Host, window: &str, configs: Vec<RunConfig>) -> Ide
        .into_iter()
        .map(|mut c| {
            if c.kind != "gradle" {
-                let (root, settings) = settings_for(host, &project, &c)?;
+                let (root, settings) = settings_for(host, &project, &mut c)?;
                ide_sdk::apply::apply_to_run_configs(std::slice::from_mut(&mut c), &root, &settings);
            }
            Ok(c)
@@ -140,25 +198,46 @@ pub async fn start(host: &Host, window: &str, config: RunConfig, on_output: Emit
    if config.command.is_empty() {
        return Err(IdeError::invalid("run configuration has no command"));
    }
-    // Settings › Run Targets: over SSH.
+    // Settings › Run Targets: over SSH, or in a container.
    if config.kind == "tomcat" && config.extras.target.as_deref().is_some_and(|t| !t.is_empty()) {
        return Err(IdeError::invalid("Tomcat Local requires the local machine"));
    }
-    if config.extras.target.as_deref().is_some_and(|t| !t.is_empty()) {
+    if let Some(id) = config.extras.target.as_deref().filter(|t| !t.is_empty()) {
        let settings = project.settings.effective();
+        let target = ide_remote::service::run_target(&settings, id)?;
+        if target.kind != RunTargetKind::Ssh {
+            // A local run of the docker CLI: the command is resolved in the container, and
+            // this machine's toolchains and `PYTHONPATH` don't apply.
+            let config = container::prepare(host, &project.root, target, config).await?;
+            let encoding = settings.console.encoding;
+            let options = StartOptions {
+                encoding: Some(encoding).filter(|e| !e.trim().is_empty()),
+                python_paths: Vec::new(),
+                // A folder on this machine: not in the container.
+                ruby_reporter: None,
+            };
+            project.require_trust()?;
+            return host.processes.start(
+                &project.root,
+                &config,
+                &options,
+                project.sink.clone(),
+                Box::new(move |c| on_output(c)),
+            );
+        }
        let out = on_output.clone();
        return host
            .remote
            .run(&settings, &project.root, &config, project.sink.clone(), Box::new(move |c| out(c)))
            .await;
    }
-    let (root, settings) = settings_for(host, &project, &config)?;
+    let mut config = config;
+    let (root, settings) = settings_for(host, &project, &mut config)?;
    let root = &root;
    // Configurations made in the UI name bare tools (`godot`) that may live outside PATH.
    // Maven re-applies too: a config listed before a settings change (daemon toggle,
    // Maven home) keeps the launcher that was current then; re-resolving at launch is
    // what makes the setting take effect without reopening the project.
-    let mut config = config;
    if config.kind == "maven" {
        ide_sdk::apply::prepare_maven_run(&mut config, root, &settings);
    } else if matches!(config.kind.as_str(), "gradle" | "tomcat") {
@@ -271,4 +350,33 @@ pub fn list(host: &Host) -> Vec<RunInfo> {
 }

 mod commands;
+mod container;
 pub use commands::*;
+
+#[cfg(test)]
+mod ownership_tests {
+    use super::*;
+    #[test]
+    fn unlinked_builds_do_not_reappear_as_detected_application_configs() {
+        let temp = tempfile::tempdir().unwrap();
+        let root = temp.path();
+        for name in ["maven", "gradle"] {
+            let dir = root.join(name);
+            std::fs::create_dir_all(dir.join("src/main/java")).unwrap();
+            std::fs::write(
+                dir.join("src/main/java/App.java"),
+                "@SpringBootApplication class App { public static void main(String[] a) {} }",
+            )
+            .unwrap();
+        }
+        std::fs::write(root.join("maven/pom.xml"), "<project><build><plugins><plugin><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>").unwrap();
+        std::fs::write(root.join("gradle/build.gradle.kts"), "plugins { id(\"org.springframework.boot\") }").unwrap();
+        let defaults = detected_and_saved(root, &Default::default(), &[], &[]);
+        assert!(defaults.iter().any(|c| c.kind == "spring-boot"));
+        let mut settings = ide_core::settings::Settings::default();
+        settings.languages.java.maven.unlinked_projects = vec!["maven/pom.xml".into()];
+        settings.languages.java.gradle.linked_projects = Some(vec![]);
+        let configs = detected_and_saved(root, &settings, &[], &[]);
+        assert!(configs.is_empty(), "{configs:?}");
+    }
+}
@@ -0,0 +1,108 @@
+//! Docker and Compose run targets: the configuration becomes a local run of the
+//! docker CLI (see `ide_remote::docker`).
+
+use crate::Host;
+use ide_core::remote_settings::{RunTarget, RunTargetKind};
+use ide_core::{IdeError, IdeResult};
+use ide_docker::DockerEndpoint;
+use ide_remote::docker::{
+    ContainerRun, compose_container_root, container_config, container_name, default_container_root,
+};
+use ide_run::RunConfig;
+use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
+
+/// `config` rewritten to run in a new container of `target`'s image or service.
+pub(super) async fn prepare(host: &Host, root: &Path, target: RunTarget, config: RunConfig) -> IdeResult<RunConfig> {
+    if config.kind == "dotnet" || config.kind == "dotnet-test" {
+        return Err(IdeError::invalid(".NET Project requires the local machine"));
+    }
+    let endpoint = endpoint(&host.data_dir, &target)?;
+    let root = root.to_path_buf();
+    host.blocking(move || {
+        if !ide_docker::endpoint_is_local(&endpoint)? {
+            return Err(IdeError::invalid(format!(
+                "Run target '{}' uses a Docker daemon on another machine: the project can only be mounted from a local one",
+                target.name
+            )));
+        }
+        let docker = ide_docker::docker_executable().ok_or_else(|| {
+            IdeError::unavailable("docker executable not found; install Docker and make sure it is on PATH")
+        })?;
+        let container_root = match target.container_root.trim() {
+            "" if target.kind == RunTargetKind::Compose => {
+                let json = ide_docker::compose_config(&endpoint, &root, &target.compose_files)?;
+                compose_container_root(&json, target.service.trim(), &root)?
+            }
+            "" => default_container_root(&root),
+            folder => folder.to_owned(),
+        };
+        let file_env = env_files(&root, &config)?;
+        let name = container_name(&config.id, &unique());
+        container_config(
+            &config,
+            &ContainerRun {
+                target: &target,
+                root: &root,
+                container_root: &container_root,
+                docker: &docker.to_string_lossy(),
+                endpoint_env: &ide_docker::run_env(&endpoint),
+                file_env: &file_env,
+                name: &name,
+                user: user(&root, &target),
+            },
+        )
+    })
+    .await
+}
+
+/// The target's Docker connection (Services tool window), by id; none = the CLI's daemon.
+fn endpoint(data_dir: &Path, target: &RunTarget) -> IdeResult<DockerEndpoint> {
+    let id = target.docker_connection.trim();
+    if id.is_empty() {
+        return Ok(DockerEndpoint::Default);
+    }
+    ide_docker::load_settings(data_dir).connections.into_iter().find(|c| c.id == id).map(|c| c.endpoint).ok_or_else(
+        || {
+            IdeError::not_found(format!(
+                "Run target '{}' uses a Docker connection that no longer exists; choose one in Settings › Run Targets",
+                target.name
+            ))
+        },
+    )
+}
+
+/// The configuration's `.env` files, read here: the container gets their variables.
+fn env_files(root: &Path, config: &RunConfig) -> IdeResult<BTreeMap<String, String>> {
+    let extras = &config.extras;
+    if extras.env_files.is_empty() {
+        return Ok(BTreeMap::new());
+    }
+    let paths: Vec<PathBuf> = extras
+        .env_files
+        .iter()
+        .map(|f| if Path::new(f).is_absolute() { PathBuf::from(f) } else { root.join(f) })
+        .collect();
+    let base = if extras.include_system_env { ide_run::system_env() } else { BTreeMap::new() };
+    ide_run::envfile::load(&paths, &base).map_err(|e| IdeError::not_found(format!("cannot read .env file: {e}")))
+}
+
+/// On Linux the container writes files as the project folder's owner, unless the
+/// target keeps the image's user. Docker Desktop and OrbStack map ownership themselves.
+fn user(root: &Path, target: &RunTarget) -> Option<(u32, u32)> {
+    #[cfg(target_os = "linux")]
+    if !target.image_user {
+        use std::os::unix::fs::MetadataExt;
+        return std::fs::metadata(root).ok().map(|m| (m.uid(), m.gid()));
+    }
+    let _ = (root, target);
+    None
+}
+
+/// Distinguishes runs of the same configuration.
+fn unique() -> String {
+    use std::sync::atomic::{AtomicU32, Ordering};
+    static COUNT: AtomicU32 = AtomicU32::new(0);
+    let secs = std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).map_or(0, |d| d.as_secs());
+    format!("{:x}-{}", secs & 0xff_ffff, COUNT.fetch_add(1, Ordering::Relaxed))
+}
@@ -46,10 +46,21 @@ pub async fn sdk_detect(host: &Host, window: &str, kind: SdkKind) -> IdeResult<V
 }

 /// The interpreter the project uses: the configured one, else its virtualenv.
-pub fn sdk_python_effective(host: &Host, window: &str) -> IdeResult<Option<ide_core::IpcPath>> {
+pub fn sdk_python_effective(host: &Host, window: &str, near: Option<PathBuf>) -> IdeResult<Option<ide_core::IpcPath>> {
    host.require_trust(window)?;
    let project = host.project(window)?;
-    Ok(ide_sdk::apply::python_interpreter(&project.root, &project.settings.effective()).map(Into::into))
+    let member = ide_workspace::workspace::Workspace::load(&project.root)?.and_then(|w| {
+        let near = near.as_deref()?;
+        w.projects.into_iter().filter(|root| near.starts_with(root)).max_by_key(|root| root.components().count())
+    });
+    let (root, settings) = match member {
+        Some(root) => {
+            let settings = ide_workspace::SettingsStore::load(&host.config_dir, Some(&root)).effective();
+            (root, settings)
+        }
+        None => (project.root.clone(), project.settings.effective()),
+    };
+    Ok(ide_sdk::apply::python_interpreter_near(&root, near.as_deref(), &settings).map(Into::into))
 }

 /// The PHP interpreter chosen in Settings › Languages & Frameworks › PHP; `None`: the `php` on `PATH`.
@@ -60,6 +71,19 @@ pub fn sdk_php_effective(host: &Host, window: &str) -> IdeResult<Option<ide_core
    Ok(ide_sdk::apply::setting_path(&project.root, &settings.languages.php.interpreter).map(Into::into))
 }

+/// The version of the PHP interpreter `php` and of the Xdebug it loads, run in `cwd` (default: the
+/// project root).
+pub async fn sdk_php_xdebug(
+    host: &Host,
+    window: &str,
+    php: PathBuf,
+    cwd: Option<PathBuf>,
+) -> IdeResult<ide_sdk::php::PhpXdebug> {
+    host.require_trust(window)?;
+    let cwd = cwd.or_else(|| host.project(window).ok().map(|p| p.root.clone()));
+    tokio::task::spawn_blocking(move || ide_sdk::php::xdebug(&php, cwd.as_deref())).await.map_err(join_err)?
+}
+
 /// The PHP language level of the project `path` belongs to (a workspace member, by path, as
 /// the language server configuration picks it).
 #[derive(Clone, Debug, serde::Serialize, specta::Type)]
@@ -96,6 +120,33 @@ pub async fn sdk_php_language_level(host: &Host, window: &str, path: PathBuf) ->
    .map_err(join_err)
 }

+/// The Composer project `path` belongs to, when its dependencies need `composer install`.
+#[derive(Clone, Debug, serde::Serialize, specta::Type)]
+#[serde(rename_all = "camelCase")]
+pub struct ComposerInstallState {
+    pub root: ide_core::IpcPath,
+    pub reason: ide_sdk::php::ComposerInstall,
+}
+
+/// `None` in an untrusted project too: `composer install` runs the project's scripts.
+pub async fn sdk_php_composer_install(
+    host: &Host,
+    window: &str,
+    path: PathBuf,
+) -> IdeResult<Option<ComposerInstallState>> {
+    let project = host.project(window)?;
+    if !project.is_trusted() {
+        return Ok(None);
+    }
+    let root = project.root.clone();
+    tokio::task::spawn_blocking(move || {
+        ide_sdk::php::composer_install(&path, &root)
+            .map(|(root, reason)| ComposerInstallState { root: ide_core::IpcPath::from(root), reason })
+    })
+    .await
+    .map_err(join_err)
+}
+
 /// SDK / library source folders shown under "External Libraries" in the Project view,
 /// with the Maven / Gradle dependency jars of the build model.
 pub async fn sdk_project_libraries(host: &Host, window: &str) -> IdeResult<Vec<ide_sdk::libraries::LibraryGroup>> {
@@ -135,10 +186,11 @@ pub async fn sdk_locate_tools(
    .map_err(join_err)
 }

-/// `base -m venv location`; output lines stream through `on_output`.
+/// Creates a Python environment with `tool` (`venv` / `uv` / `poetry`); output streams through `on_output`.
 pub async fn sdk_python_create_venv(
    host: &Host,
    window: &str,
+    tool: ide_sdk::python::VenvTool,
    base: PathBuf,
    location: PathBuf,
    request: RequestId,
@@ -147,7 +199,7 @@ pub async fn sdk_python_create_venv(
    host.require_trust(window)?;
    let cancel = host.begin_project_request(window, request);
    let result = tokio::task::spawn_blocking(move || {
-        ide_sdk::python::create_venv(&base, &location, &cancel, &|line| {
+        ide_sdk::python::create_venv(tool, &base, &location, &cancel, &|line| {
            let _ = on_output.send(line);
        })
    })
@@ -205,12 +257,17 @@ pub async fn sdk_python_pip(
 /// Commands of this module the remote server answers.
 pub(crate) fn register(d: &mut Dispatcher) {
    d.add("sdk_detect", |c| async move { sdk_detect(&c.host, &c.window, c.arg("kind")?).await });
-    d.add("sdk_python_effective", |c| async move { sdk_python_effective(&c.host, &c.window) });
+    d.add("sdk_python_effective", |c| async move { sdk_python_effective(&c.host, &c.window, c.arg("near")?) });
    d.add("sdk_php_effective", |c| async move { sdk_php_effective(&c.host, &c.window) });
+    d.add("sdk_php_xdebug", |c| async move { sdk_php_xdebug(&c.host, &c.window, c.arg("php")?, c.arg("cwd")?).await });
    d.add(
        "sdk_php_language_level",
        |c| async move { sdk_php_language_level(&c.host, &c.window, c.arg("path")?).await },
    );
+    d.add(
+        "sdk_php_composer_install",
+        |c| async move { sdk_php_composer_install(&c.host, &c.window, c.arg("path")?).await },
+    );
    d.add("sdk_project_libraries", |c| async move { sdk_project_libraries(&c.host, &c.window).await });
    d.add("sdk_locate_tools", |c| async move {
        sdk_locate_tools(&c.host, &c.window, c.arg("names")?, c.arg("near")?).await
@@ -219,6 +276,7 @@ pub(crate) fn register(d: &mut Dispatcher) {
        sdk_python_create_venv(
            &c.host,
            &c.window,
+            c.arg("tool")?,
            c.arg("base")?,
            c.arg("location")?,
            c.arg("request")?,
@@ -103,12 +103,20 @@ pub enum RemoteOp {
    Pull {
        rebase: bool,
    },
+    /// Update Project › Reset to the Remote Branch.
+    ResetToUpstream,
    Push {
        force_with_lease: bool,
        set_upstream: bool,
        /// Push dialog › Push tags.
        #[serde(default)]
        tags: Option<PushTags>,
+        /// Plain `--force` (Force push anyway).
+        #[serde(default)]
+        force: bool,
+        /// Push dialog › Run Git hooks unchecked (`--no-verify`).
+        #[serde(default)]
+        no_verify: bool,
    },
    /// Deletes a remote branch; `branch` is the remote-tracking name (`origin/feature`).
    DeleteBranch {
@@ -125,6 +133,23 @@ pub enum RemoteOp {
        target: Option<String>,
        #[serde(default)]
        remote: Option<String>,
+        #[serde(default)]
+        force: bool,
+        /// Record the target as upstream (Push dialog › Set upstream).
+        #[serde(default)]
+        set_upstream: bool,
+        #[serde(default)]
+        no_verify: bool,
+    },
+    /// Push Tag › Push to `remote`.
+    PushTag {
+        tag: String,
+        remote: String,
+    },
+    /// Deletes tag `tag` on `remote` (Delete on Remote).
+    DeleteRemoteTag {
+        tag: String,
+        remote: String,
    },
    /// Fast-forwards local `branch` (not checked out) to its upstream.
    UpdateBranch {
@@ -155,11 +180,15 @@ pub struct GitExecutableInfo {
 pub enum GitOperation {
    /// Continue the merge / rebase / cherry-pick / revert in progress.
    Continue,
+    /// Stage and Retry: stage the changes of tracked files, then continue.
+    StageAndContinue,
    Abort,
    Skip,
-    /// Commits oldest first.
+    /// Commits oldest first; `record_origin` adds "(cherry picked from commit …)".
    CherryPick {
        commits: Vec<String>,
+        #[serde(default, rename = "recordOrigin")]
+        record_origin: bool,
    },
    /// Commits newest first.
    Revert {
@@ -554,12 +583,15 @@ pub async fn vcs_create_branch(
    name: String,
    start: Option<String>,
    checkout: bool,
+    overwrite: Option<bool>,
 ) -> IdeResult<()> {
    host.require_trust(window)?;
    let project = host.project(window)?;
    let recorded = checkout.then_some("Git checkout");
    blocking(move || {
-        project.with_repo_recorded(repo.as_deref(), recorded, |r| r.create_branch(&name, start.as_deref(), checkout))
+        project.with_repo_recorded(repo.as_deref(), recorded, |r| {
+            r.create_branch_with_overwrite(&name, start.as_deref(), checkout, overwrite.unwrap_or(false))
+        })
    })
    .await
 }
@@ -572,6 +604,33 @@ pub async fn vcs_undo_commit(host: &Host, window: &str, repo: Option<PathBuf>, c
    blocking(move || project.with_repo_at(repo.as_deref(), |r| r.undo_commit(&commit))).await
 }

+/// Edit Commit Message: rewrites the commit and its descendants without touching the
+/// working tree.
+pub async fn vcs_reword(
+    host: &Host,
+    window: &str,
+    repo: Option<PathBuf>,
+    commit: String,
+    message: String,
+) -> IdeResult<ide_vcs::HeadChange> {
+    host.require_trust(window)?;
+    let project = host.project(window)?;
+    blocking(move || project.with_repo_at(repo.as_deref(), |r| r.reword(&commit, &message))).await
+}
+
+/// Undo of a history rewrite (Edit Commit Message, Drop, Squash).
+pub async fn vcs_restore_head(
+    host: &Host,
+    window: &str,
+    repo: Option<PathBuf>,
+    before: String,
+    after: String,
+) -> IdeResult<()> {
+    host.require_trust(window)?;
+    let project = host.project(window)?;
+    blocking(move || project.with_repo_at(repo.as_deref(), |r| r.restore_head(&before, &after))).await
+}
+
 pub async fn vcs_delete_branch(
    host: &Host,
    window: &str,
@@ -584,6 +643,19 @@ pub async fn vcs_delete_branch(
 }

 /// "Restore" of the branch-deleted notification.
+/// Deletes a local tag; the result restores it.
+pub async fn vcs_delete_tag(host: &Host, window: &str, repo: Option<PathBuf>, name: String) -> IdeResult<DeletedTag> {
+    host.require_trust(window)?;
+    let project = host.project(window)?;
+    blocking(move || project.with_repo_at(repo.as_deref(), |r| r.delete_tag(&name))).await
+}
+
+pub async fn vcs_restore_tag(host: &Host, window: &str, repo: Option<PathBuf>, deleted: DeletedTag) -> IdeResult<()> {
+    host.require_trust(window)?;
+    let project = host.project(window)?;
+    blocking(move || project.with_repo_at(repo.as_deref(), |r| r.restore_tag(&deleted))).await
+}
+
 pub async fn vcs_restore_branch(
    host: &Host,
    window: &str,
@@ -679,26 +751,42 @@ pub async fn vcs_remote(
        let out = |line: String| {
            let _ = on_output.send(line);
        };
-        let recorded = matches!(op, RemoteOp::Pull { .. } | RemoteOp::PullFrom { .. }).then_some("Git pull");
+        let recorded = matches!(op, RemoteOp::Pull { .. } | RemoteOp::PullFrom { .. } | RemoteOp::ResetToUpstream)
+            .then_some("Git pull");
        project.with_repo_recorded(repo.as_deref(), recorded, |r| match op {
            RemoteOp::Fetch => r.fetch(&cancel, &out),
            RemoteOp::Pull { rebase } => r.pull(rebase, &cancel, &out),
-            RemoteOp::Push { force_with_lease, set_upstream, tags } => {
-                r.push_with_tags(force_with_lease, set_upstream, tags, &cancel, &out)
+            RemoteOp::ResetToUpstream => r.reset_to_upstream(&cancel, &out),
+            RemoteOp::Push { force_with_lease, set_upstream, tags, force, no_verify } => {
+                r.push_with(PushOptions { force_with_lease, force, set_upstream, tags, no_verify }, &cancel, &out)
            }
            RemoteOp::DeleteBranch { branch } => r.delete_remote_branch(&branch, &cancel, &out),
-            RemoteOp::PushBranch { branch, revision, force_with_lease, target, remote } => r.push_branch_to(
+            RemoteOp::PushBranch {
+                branch,
+                revision,
+                force_with_lease,
+                target,
+                remote,
+                force,
+                set_upstream,
+                no_verify,
+            } => r.push_branch_to(
                &branch,
                PushBranchOptions {
                    revision: revision.as_deref(),
                    target: target.as_deref(),
                    remote: remote.as_deref(),
                    force_with_lease,
+                    force,
+                    set_upstream,
+                    no_verify,
                },
                &cancel,
                &out,
            ),
            RemoteOp::UpdateBranch { branch } => r.update_branch(&branch, &cancel, &out),
+            RemoteOp::PushTag { tag, remote } => r.push_tag(&tag, &remote, &cancel, &out),
+            RemoteOp::DeleteRemoteTag { tag, remote } => r.delete_remote_tag(&tag, &remote, &cancel, &out),
            RemoteOp::PullFrom { remote, branches, rebase, options } => {
                r.pull_from(&remote, &branches, rebase, &options, &cancel, &out)
            }
@@ -834,9 +922,12 @@ pub async fn vcs_operation(
        };
        project.with_repo_recorded(repo.as_deref(), recorded, |r| match op {
            GitOperation::Continue => r.continue_operation(&cancel, &out),
+            GitOperation::StageAndContinue => r.stage_and_continue(&cancel, &out),
            GitOperation::Abort => r.abort_operation(&cancel, &out),
            GitOperation::Skip => r.skip_operation(&cancel, &out),
-            GitOperation::CherryPick { commits } => r.cherry_pick(&commits, &cancel, &out),
+            GitOperation::CherryPick { commits, record_origin } => {
+                r.cherry_pick_with(&commits, record_origin, &cancel, &out)
+            }
            GitOperation::Revert { commits } => r.revert(&commits, &cancel, &out),
            GitOperation::Reset { commit, mode } => r.reset(&commit, mode, &cancel, &out),
            GitOperation::InteractiveRebase { base, entries } => {
@@ -1020,6 +1111,12 @@ pub async fn vcs_diff_numstat(
    blocking(move || project.with_log_repo_at(repo.as_deref(), |r| r.diff_numstat(&from, &to, &paths))).await
 }

+/// Whether the repository has the executable Git hook `name` (Push dialog › Run Git hooks).
+pub async fn vcs_has_hook(host: &Host, window: &str, repo: Option<PathBuf>, name: String) -> IdeResult<bool> {
+    let project = host.project(window)?;
+    blocking(move || project.with_repo_at(repo.as_deref(), |r| r.has_hook(&name))).await
+}
+
 /// The best common ancestor of `a` and `b` (`git merge-base`), if any: the New Pull
 /// Request tab's three-dot diff.
 pub async fn vcs_merge_base(
@@ -1241,15 +1338,37 @@ pub(crate) fn register(d: &mut Dispatcher) {
        vcs_checkout(&c.host, &c.window, c.arg("repo")?, c.arg("branch")?, c.arg("create")?, c.arg("options")?).await
    });
    d.add("vcs_create_branch", |c| async move {
-        vcs_create_branch(&c.host, &c.window, c.arg("repo")?, c.arg("name")?, c.arg("start")?, c.arg("checkout")?).await
+        vcs_create_branch(
+            &c.host,
+            &c.window,
+            c.arg("repo")?,
+            c.arg("name")?,
+            c.arg("start")?,
+            c.arg("checkout")?,
+            c.arg("overwrite")?,
+        )
+        .await
    });
    d.add(
        "vcs_undo_commit",
        |c| async move { vcs_undo_commit(&c.host, &c.window, c.arg("repo")?, c.arg("commit")?).await },
    );
+    d.add("vcs_reword", |c| async move {
+        vcs_reword(&c.host, &c.window, c.arg("repo")?, c.arg("commit")?, c.arg("message")?).await
+    });
+    d.add("vcs_restore_head", |c| async move {
+        vcs_restore_head(&c.host, &c.window, c.arg("repo")?, c.arg("before")?, c.arg("after")?).await
+    });
    d.add("vcs_delete_branch", |c| async move {
        vcs_delete_branch(&c.host, &c.window, c.arg("repo")?, c.arg("branch")?).await
    });
+    d.add(
+        "vcs_delete_tag",
+        |c| async move { vcs_delete_tag(&c.host, &c.window, c.arg("repo")?, c.arg("name")?).await },
+    );
+    d.add("vcs_restore_tag", |c| async move {
+        vcs_restore_tag(&c.host, &c.window, c.arg("repo")?, c.arg("deleted")?).await
+    });
    d.add("vcs_restore_branch", |c| async move {
        vcs_restore_branch(&c.host, &c.window, c.arg("repo")?, c.arg("deleted")?).await
    });
@@ -1373,6 +1492,7 @@ pub(crate) fn register(d: &mut Dispatcher) {
    d.add("vcs_diff_numstat", |c| async move {
        vcs_diff_numstat(&c.host, &c.window, c.arg("repo")?, c.arg("from")?, c.arg("to")?, c.arg("paths")?).await
    });
+    d.add("vcs_has_hook", |c| async move { vcs_has_hook(&c.host, &c.window, c.arg("repo")?, c.arg("name")?).await });
    d.add("vcs_merge_base", |c| async move {
        vcs_merge_base(&c.host, &c.window, c.arg("repo")?, c.arg("a")?, c.arg("b")?).await
    });
@@ -611,7 +611,7 @@ mod tests {
    }

    /// A project with PHPStan whose PHP logs each run, waits `pause` seconds, prints `stderr` and
-    /// reports `report`.
+    /// reports `report`. `pause` is read before the run is logged, so a test that sees the run can change it.
    #[cfg(unix)]
    struct Fixture {
        _dir: tempfile::TempDir,
@@ -634,8 +634,8 @@ mod tests {
            // Named php8.5: the selected PHP runs vendor/bin/phpstan, whatever its name.
            let php = base.join("php/php8.5");
            std::fs::create_dir_all(php.parent().unwrap()).unwrap();
-            let script = "#!/bin/sh\nshift\necho \"$XDEBUG_MODE $*\" >> runs.log\n\
-                sleep \"$(cat pause 2>/dev/null || echo 0)\"\ncat stderr >&2 2>/dev/null\ncat report\n";
+            let script = "#!/bin/sh\nshift\npause=\"$(cat pause 2>/dev/null || echo 0)\"\n\
+                echo \"$XDEBUG_MODE $*\" >> runs.log\nsleep \"$pause\"\ncat stderr >&2 2>/dev/null\ncat report\n";
            std::fs::write(&php, script).unwrap();
            std::fs::set_permissions(&php, std::fs::Permissions::from_mode(0o755)).unwrap();
            std::fs::create_dir_all(root.join(".openidea")).unwrap();
@@ -1,14 +1,14 @@
 //! [`HostApi`] for one plugin's code: what its imports reach in the IDE.
 //! Capabilities were checked by the runtime before any of this runs.

-use super::{PluginEvent, PluginEventSink};
+use super::{PluginContextKey, PluginEvent, PluginEventSink};
 use ide_core::ipc_path::to_ipc;
 use ide_core::{CancellationToken, TextEdit};
 use ide_extension::Package;
 use ide_language::ProgramPin;
 use ide_plugin::{
-    EventKind, HostApi, HostError, HttpRequest, HttpResponse, NotificationLevel, ProcessOutput, RepositoryStatus,
-    StatusItem,
+    EventKind, HostApi, HostError, HttpRequest, HttpResponse, NotificationLevel, ProcessOutput, Prompt,
+    RepositoryStatus, StatusItem,
 };
 use parking_lot::{Mutex, RwLock};
 use std::collections::{BTreeMap, BTreeSet, HashMap};
@@ -22,6 +22,10 @@ const MAX_STORAGE: usize = 1 << 20;
 const MAX_KEY: usize = 256;
 /// Most status bar items per plugin.
 const MAX_STATUS_ITEMS: usize = 8;
+const MAX_CONTEXT_KEYS: usize = 100;
+
+/// (window or `None` for every window, plugin, key).
+type ContextKey = (Option<String>, String, String);

 /// What plugins see of the open projects; provided by the app
 /// ([`super::PluginHost::set_workspace`]), over [`crate::Host`] on the desktop.
@@ -146,6 +150,12 @@ struct TaskEntry {
    cancelled: bool,
 }

+/// A question a plugin's call waits on.
+struct PromptEntry {
+    plugin: String,
+    answer: std::sync::mpsc::SyncSender<Option<Vec<String>>>,
+}
+
 /// State shared by the host and every plugin's [`PluginApi`].
 pub(super) struct Shared {
    pub sink: Arc<dyn PluginEventSink>,
@@ -154,8 +164,15 @@ pub(super) struct Shared {
    pub data_dir: PathBuf,
    tasks: Mutex<HashMap<u64, TaskEntry>>,
    next_task: AtomicU64,
+    prompts: Mutex<HashMap<u64, PromptEntry>>,
+    /// Plugins being stopped: their calls may not open new prompts (taken before `prompts`).
+    prompts_blocked: Mutex<BTreeSet<String>>,
+    next_prompt: AtomicU64,
    /// (plugin, item id) → item, for windows opened later.
    status: Mutex<BTreeMap<(String, String), StatusItem>>,
+    /// (scope, plugin, key) → JSON value.
+    contexts: Mutex<BTreeMap<ContextKey, String>>,
+    closed_clients: Mutex<BTreeSet<String>>,
    /// plugin → kinds subscribed at run time (kept across idle reclaim).
    pub subscriptions: Mutex<HashMap<String, BTreeSet<EventKind>>>,
    /// plugin → files it shows problems for, withdrawn when it stops.
@@ -183,7 +200,12 @@ impl Shared {
            data_dir,
            tasks: Mutex::default(),
            next_task: AtomicU64::new(1),
+            prompts: Mutex::default(),
+            prompts_blocked: Mutex::default(),
+            next_prompt: AtomicU64::new(1),
            status: Mutex::default(),
+            contexts: Mutex::default(),
+            closed_clients: Mutex::default(),
            subscriptions: Mutex::default(),
            diagnostics: Mutex::default(),
        })
@@ -226,6 +248,34 @@ impl Shared {
        self.status.lock().iter().map(|((p, id), item)| (p.clone(), id.clone(), item.clone())).collect()
    }

+    pub fn context_keys(&self, client: Option<&str>) -> Vec<PluginContextKey> {
+        let contexts = self.contexts.lock();
+        let mut keys: BTreeMap<(&str, &str), &str> = BTreeMap::new();
+        for ((_, plugin, key), value) in contexts.iter().filter(|((s, ..), _)| s.is_none()) {
+            keys.insert((plugin, key), value);
+        }
+        if let Some(client) = client {
+            for ((_, plugin, key), value) in contexts.iter().filter(|((s, ..), _)| s.as_deref() == Some(client)) {
+                keys.insert((plugin, key), value);
+            }
+        }
+        keys.into_iter()
+            .map(|((p, k), v)| PluginContextKey { plugin_id: p.to_owned(), key: k.to_owned(), value: v.to_owned() })
+            .collect()
+    }
+
+    /// Drops the context keys scoped to window `client` (it closed), without events, and
+    /// refuses further writes for it (late commands) until [`Self::reopen_client`].
+    pub fn forget_client(&self, client: &str) {
+        self.closed_clients.lock().insert(client.to_owned());
+        self.contexts.lock().retain(|(scope, ..), _| scope.as_deref() != Some(client));
+    }
+
+    /// A window labelled `client` is being created (labels are reused after a close).
+    pub fn reopen_client(&self, client: &str) {
+        self.closed_clients.lock().remove(client);
+    }
+
    /// Withdraws a plugin's run-time state (it stopped or failed). Its
    /// subscriptions go only with `subscriptions`, as they survive restarts.
    pub fn clear_plugin(&self, plugin: &str, subscriptions: bool) {
@@ -240,6 +290,19 @@ impl Shared {
        for id in removed {
            self.sink.emit(None, PluginEvent::StatusItemChanged { plugin_id: plugin.to_owned(), id, item: None });
        }
+        self.withdraw_prompts(plugin);
+        let removed: Vec<(Option<String>, String)> = {
+            let mut contexts = self.contexts.lock();
+            let keys: Vec<_> = contexts.keys().filter(|(_, p, _)| p == plugin).cloned().collect();
+            for key in &keys {
+                contexts.remove(key);
+            }
+            keys.into_iter().map(|(scope, _, key)| (scope, key)).collect()
+        };
+        for (scope, key) in removed {
+            self.sink
+                .emit(scope.as_deref(), PluginEvent::ContextChanged { plugin_id: plugin.to_owned(), key, value: None });
+        }
        let tasks: Vec<u64> = self.tasks.lock().iter().filter(|(_, t)| t.plugin == plugin).map(|(id, _)| *id).collect();
        for id in tasks {
            self.end_task(id);
@@ -265,6 +328,40 @@ impl Shared {
        true
    }

+    /// Closes the prompts `plugin` waits on: the calls waiting for the user
+    /// wake up cancelled (dropping the senders).
+    fn withdraw_prompts(&self, plugin: &str) {
+        let ids: Vec<u64> = {
+            let mut prompts = self.prompts.lock();
+            let ids: Vec<u64> = prompts.iter().filter(|(_, p)| p.plugin == plugin).map(|(id, _)| *id).collect();
+            for id in &ids {
+                prompts.remove(id);
+            }
+            ids
+        };
+        for id in ids {
+            self.sink.emit(None, PluginEvent::PromptClosed { prompt_id: id.to_string() });
+        }
+    }
+
+    /// `plugin` is about to be stopped: withdraws its prompts, and its queued
+    /// calls can't open new ones (they'd keep the stop waiting) until
+    /// [`allow_prompts`](Self::allow_prompts).
+    pub fn block_prompts(&self, plugin: &str) {
+        self.prompts_blocked.lock().insert(plugin.to_owned());
+        self.withdraw_prompts(plugin);
+    }
+
+    pub fn allow_prompts(&self, plugin: &str) {
+        self.prompts_blocked.lock().remove(plugin);
+    }
+
+    /// The user answered (`Some`) or dismissed (`None`) a prompt.
+    pub fn answer_prompt(&self, id: u64, answer: Option<Vec<String>>) -> bool {
+        let Some(prompt) = self.prompts.lock().remove(&id) else { return false };
+        prompt.answer.send(answer).is_ok()
+    }
+
    fn end_task(&self, id: u64) {
        if let Some(t) = self.tasks.lock().remove(&id) {
            self.sink.emit(None, PluginEvent::TaskEnded { plugin_id: t.plugin, task_id: id.to_string() });
@@ -320,6 +417,129 @@ impl PluginApi {
    }
 }

+impl PluginApi {
+    /// Runs an approved program until it exits or `cancel` fires, passing
+    /// each output line to `on_line`; returns its exit code.
+    pub(super) fn stream_process(
+        &self,
+        program: &str,
+        args: Vec<String>,
+        cwd: Option<&Path>,
+        cancel: &CancellationToken,
+        on_line: &dyn Fn(super::PluginOutputLine),
+    ) -> Result<Option<i32>, HostError> {
+        let binary = self.approved_program(program)?;
+        let cwd = cwd.map(Path::to_path_buf).unwrap_or_else(|| self.shared.data_dir.join(self.id()));
+        let _ = std::fs::create_dir_all(&cwd);
+        let mut cmd = std::process::Command::new(&binary);
+        ide_core::process::prepare(ide_core::process::own_group(&mut cmd));
+        let mut child = cmd
+            .args(&args)
+            .current_dir(&cwd)
+            .stdin(std::process::Stdio::null())
+            .stdout(std::process::Stdio::piped())
+            .stderr(std::process::Stdio::piped())
+            .spawn()
+            .map_err(|e| HostError::Failed(format!("{}: {e}", binary.display())))?;
+        // Bounded: a program printing faster than the lines are sent waits on its pipe.
+        let (tx, rx) = std::sync::mpsc::sync_channel(1024);
+        let read = |pipe: Box<dyn std::io::Read + Send>, stderr: bool| {
+            let tx = tx.clone();
+            std::thread::spawn(move || {
+                read_lines(pipe, MAX_OUTPUT_LINE, &mut |text| {
+                    tx.send(super::PluginOutputLine { stderr, text }).is_ok()
+                });
+            });
+        };
+        if let Some(out) = child.stdout.take() {
+            read(Box::new(out), false);
+        }
+        if let Some(err) = child.stderr.take() {
+            read(Box::new(err), true);
+        }
+        drop(tx);
+        // Revoking the grant removes the pin: stop then.
+        let cap = format!("process:{program}");
+        let pin = (self.id().to_owned(), cap.clone());
+        let stop = |child: &mut std::process::Child| -> Option<HostError> {
+            if cancel.is_cancelled() {
+                kill_group(child);
+                return Some(HostError::Cancelled);
+            }
+            if !self.shared.pins.read().contains_key(&pin) {
+                kill_group(child);
+                return Some(HostError::Denied(cap.clone()));
+            }
+            None
+        };
+        loop {
+            if let Some(e) = stop(&mut child) {
+                return Err(e);
+            }
+            match rx.recv_timeout(Duration::from_millis(50)) {
+                Ok(line) => on_line(line),
+                // Both pipes closed: the program is done (or detached them).
+                Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => break,
+                Err(std::sync::mpsc::RecvTimeoutError::Timeout) => {}
+            }
+        }
+        loop {
+            if let Some(status) = child.try_wait().map_err(failed)? {
+                return Ok(status.code());
+            }
+            if let Some(e) = stop(&mut child) {
+                return Err(e);
+            }
+            std::thread::sleep(Duration::from_millis(50));
+        }
+    }
+}
+
+/// Longest output line a followed program sends; the rest of the line is dropped.
+const MAX_OUTPUT_LINE: usize = 16 << 10;
+
+/// Passes `pipe`'s lines (without `\r\n`, at most `max` bytes each) to `line`
+/// until it returns false or the pipe closes, holding at most one line.
+fn read_lines(pipe: Box<dyn std::io::Read + Send>, max: usize, line: &mut dyn FnMut(String) -> bool) {
+    use std::io::{BufRead, Read};
+    let mut reader = std::io::BufReader::new(pipe);
+    let mut buf = Vec::new();
+    loop {
+        buf.clear();
+        match (&mut reader).take(max as u64).read_until(b'\n', &mut buf) {
+            Ok(0) | Err(_) => return,
+            Ok(_) => {}
+        }
+        if buf.last() != Some(&b'\n') && buf.len() == max {
+            // Too long: skip to the end of the line.
+            let mut rest = Vec::new();
+            loop {
+                rest.clear();
+                match (&mut reader).take(max as u64).read_until(b'\n', &mut rest) {
+                    Ok(0) | Err(_) => break,
+                    Ok(_) if rest.last() == Some(&b'\n') => break,
+                    Ok(_) => {}
+                }
+            }
+        }
+        let end = buf.strip_suffix(b"\n").unwrap_or(&buf);
+        let end = end.strip_suffix(b"\r").unwrap_or(end);
+        if !line(String::from_utf8_lossy(end).into_owned()) {
+            return;
+        }
+    }
+}
+
+/// Kills a program spawned in its own group and what it started. A kill that
+/// lands while the program forks can miss the new process, so the group is
+/// signalled again before the program is reaped (until then its group id
+/// can't be reused).
+fn kill_group(child: &mut std::process::Child) {
+    ide_core::process::kill_tree_of(child.id());
+    std::thread::sleep(Duration::from_millis(50));
+    ide_core::process::kill_tree(child);
+}
+
 fn failed(e: impl std::fmt::Display) -> HostError {
    HostError::Failed(e.to_string())
 }
@@ -343,6 +563,52 @@ impl HostApi for PluginApi {
        Ok(())
    }

+    fn ask(
+        &self,
+        client: Option<&str>,
+        prompt: Prompt,
+        cancel: &CancellationToken,
+    ) -> Result<Option<Vec<String>>, HostError> {
+        let client = from_window(client, "ask the user")?;
+        let id = self.shared.next_prompt.fetch_add(1, Ordering::Relaxed);
+        let (answer, answers) = std::sync::mpsc::sync_channel(1);
+        {
+            let blocked = self.shared.prompts_blocked.lock();
+            if blocked.contains(self.id()) {
+                return Err(HostError::Cancelled);
+            }
+            self.shared.prompts.lock().insert(id, PromptEntry { plugin: self.id().to_owned(), answer });
+        }
+        let prompt_id = id.to_string();
+        self.shared.sink.emit(
+            Some(client),
+            PluginEvent::PromptRequested { plugin_id: self.id().to_owned(), prompt_id: prompt_id.clone(), prompt },
+        );
+        loop {
+            match answers.recv_timeout(Duration::from_millis(100)) {
+                Ok(answer) => return Ok(answer),
+                Err(std::sync::mpsc::RecvTimeoutError::Timeout) if !cancel.is_cancelled() => {}
+                Err(_) => {
+                    self.shared.prompts.lock().remove(&id);
+                    self.shared.sink.emit(Some(client), PluginEvent::PromptClosed { prompt_id });
+                    return Err(HostError::Cancelled);
+                }
+            }
+        }
+    }
+
+    fn reveal_view(&self, client: Option<&str>, view: &str) -> Result<(), HostError> {
+        let client = from_window(client, "reveal a view")?;
+        let declared = self.shared.ui.items(super::ui_points::VIEWS, Some(self.id())).iter().any(|i| i.key == view);
+        if !declared {
+            return Err(HostError::NotFound(format!("the plugin declares no view {view:?}")));
+        }
+        self.shared
+            .sink
+            .emit(Some(client), PluginEvent::RevealView { plugin_id: self.id().to_owned(), view: view.to_owned() });
+        Ok(())
+    }
+
    fn status_item(&self, id: &str, item: Option<StatusItem>) {
        let key = (self.id().to_owned(), id.to_owned());
        {
@@ -371,6 +637,37 @@ impl HostApi for PluginApi {
            .emit(None, PluginEvent::StatusItemChanged { plugin_id: self.id().to_owned(), id: id.to_owned(), item });
    }

+    fn set_context(&self, client: Option<&str>, key: &str, value: Option<String>) -> Result<(), HostError> {
+        let map_key = (client.map(str::to_owned), self.id().to_owned(), key.to_owned());
+        {
+            let mut contexts = self.shared.contexts.lock();
+            if client.is_some_and(|c| self.shared.closed_clients.lock().contains(c)) {
+                return Ok(());
+            }
+            match &value {
+                Some(value) => {
+                    if contexts.get(&map_key) == Some(value) {
+                        return Ok(());
+                    }
+                    let count = contexts.keys().filter(|(_, p, _)| p == self.id()).count();
+                    if !contexts.contains_key(&map_key) && count >= MAX_CONTEXT_KEYS {
+                        return Err(HostError::Invalid(format!("more than {MAX_CONTEXT_KEYS} context keys")));
+                    }
+                    contexts.insert(map_key, value.clone());
+                }
+                None => {
+                    if contexts.remove(&map_key).is_none() {
+                        return Ok(());
+                    }
+                }
+            }
+        }
+        self.shared
+            .sink
+            .emit(client, PluginEvent::ContextChanged { plugin_id: self.id().to_owned(), key: key.to_owned(), value });
+        Ok(())
+    }
+
    fn projects(&self) -> Vec<PathBuf> {
        self.shared.workspace().map(|w| w.projects()).unwrap_or_default()
    }
@@ -464,8 +761,9 @@ impl HostApi for PluginApi {
            .build()
            .map_err(|e| HostError::Invalid(format!("{glob:?}: {e}")))?
            .compile_matcher();
-        // Hidden files and folders are left out, as in the walk below.
-        let visible = |rel: &Path| !rel.iter().any(|c| c.to_str().is_some_and(|c| c.starts_with('.')));
+        // Project scope visits hidden files and folders (`.github`, `.config`):
+        // only `.git` internals stay out, as in the walk below.
+        let visible = |rel: &Path| !rel.iter().any(|c| c == ".git");
        // The project index already lists the files: walking a large tree on every call can take
        // longer than an editor provider's deadline (the plugin is then stopped as crashed).
        if let Some(files) = self
@@ -478,7 +776,13 @@ impl HostApi for PluginApi {
            return Ok(out);
        }
        let mut out = Vec::new();
-        for (n, entry) in ignore::WalkBuilder::new(root).hidden(true).build().flatten().enumerate() {
+        for (n, entry) in ignore::WalkBuilder::new(root)
+            .hidden(false)
+            .filter_entry(|e| e.file_name() != ".git")
+            .build()
+            .flatten()
+            .enumerate()
+        {
            if n >= MAX_WALK || out.len() >= limit {
                break;
            }
@@ -883,20 +1187,27 @@ mod tests {
        let api = api(&root, Arc::default());
        *api.shared.workspace.write() = Some(Arc::new(Indexed(
            root.clone(),
-            vec!["src/b/UserMapper.xml", "src/a/OrderMapper.xml", ".idea/workspace.xml", "pom.xml"],
+            vec!["src/b/UserMapper.xml", "src/a/OrderMapper.xml", ".idea/workspace.xml", ".git/index.xml", "pom.xml"],
        )));
        // Listed by the index, not walked: none of these exist on disk.
        assert_eq!(
            api.find_files(&root, "**/*Mapper.xml", 10).unwrap(),
            [to_ipc(&root.join("src/a/OrderMapper.xml")), to_ipc(&root.join("src/b/UserMapper.xml"))]
        );
-        assert_eq!(api.find_files(&root, "**/*.xml", 10).unwrap().len(), 3, "hidden folders are left out");
+        // Hidden folders are visited like any project scope; `.git` internals are not.
+        assert_eq!(api.find_files(&root, "**/*.xml", 10).unwrap().len(), 4);
+        assert_eq!(api.find_files(&root, ".idea/*.xml", 10).unwrap(), [to_ipc(&root.join(".idea/workspace.xml"))]);
        assert_eq!(api.find_files(&root, "**/*.xml", 1).unwrap().len(), 1);
        // Another root: no index covers it, so the disk is walked.
        let other = root.join("other");
-        std::fs::create_dir_all(&other).unwrap();
+        std::fs::create_dir_all(other.join(".config/tool")).unwrap();
        std::fs::write(other.join("a.xml"), "").unwrap();
+        std::fs::write(other.join(".config/tool/index.xml"), "").unwrap();
        assert_eq!(api.find_files(&other, "*.xml", 10).unwrap(), [to_ipc(&other.join("a.xml"))]);
+        assert_eq!(
+            api.find_files(&other, ".config/tool/*.xml", 10).unwrap(),
+            [to_ipc(&other.join(".config/tool/index.xml"))]
+        );
    }

    #[test]
@@ -26,6 +26,7 @@

 use super::icon_extensions::{Choice, DARK_SUFFIX, Extensions, Group, IconDefinition, Pattern, check_icon_id};
 use super::icon_settings::{self, SettingsSection};
+use ide_extension::package::PluginIcon;
 use ide_extension::{Package, UiDecl, check_relative, decode, validate_item_id};
 use serde::Deserialize;
 use std::collections::{BTreeMap, BTreeSet};
@@ -33,8 +34,10 @@ use std::path::PathBuf;

 pub const POINT_ID: &str = "iconThemes";
 const MAX_ICONS: usize = 5000;
-const MAX_SVG: usize = 64 << 10;
+pub(super) const MAX_SVG: usize = 64 << 10;
 const MAX_MAPPINGS: usize = 20_000;
+/// A plugin's own icon is inline in every plugin listing and index entry.
+pub const MAX_PLUGIN_ICON: usize = 16 << 10;

 #[derive(Deserialize)]
 #[serde(deny_unknown_fields)]
@@ -90,16 +93,24 @@ pub fn svg_prefix(theme: &str) -> String {
    format!("iconTheme/{theme}/svg/")
 }

-/// An SVG icon of the package, size-checked and sanitised.
-pub(super) fn read_icon(pkg: &Package, path: &std::path::Path) -> Result<String, String> {
+/// An SVG icon of the package, size-checked (`max` bytes) and sanitised.
+pub(super) fn read_icon(pkg: &Package, path: &std::path::Path, max: usize) -> Result<String, String> {
    check_relative(path, "icon")?;
    let svg = pkg.read_text(path)?;
-    if svg.len() > MAX_SVG {
-        return Err(format!("{}: larger than {} KiB", path.display(), MAX_SVG >> 10));
+    if svg.len() > max {
+        return Err(format!("{}: larger than {} KiB", path.display(), max >> 10));
    }
    sanitize_svg(&svg).map_err(|e| format!("{}: {e}", path.display()))
 }

+/// The manifest's `icon` / `icon-dark`, read and sanitised.
+pub fn plugin_icon(pkg: &Package) -> Result<Option<PluginIcon>, String> {
+    let read = |path: &std::path::Path| read_icon(pkg, path, MAX_PLUGIN_ICON);
+    let Some(light) = &pkg.manifest.icon else { return Ok(None) };
+    let dark = pkg.manifest.icon_dark.as_deref().map(read).transpose()?;
+    Ok(Some(PluginIcon { light: read(light)?, dark }))
+}
+
 pub(super) fn icon_theme(pkg: &Package, decl: toml::Value) -> Result<UiDecl, String> {
    let d: Decl = decode(POINT_ID, decl)?;
    validate_item_id(&d.id, "icon theme id")?;
@@ -166,7 +177,7 @@ pub(super) fn icon_theme(pkg: &Package, decl: toml::Value) -> Result<UiDecl, Str
    for (icon, def) in &theme.icon_definitions {
        let dark = def.dark().map(|path| (path, DARK_SUFFIX));
        for (path, suffix) in std::iter::once((def.light(), "")).chain(dark) {
-            let clean = read_icon(pkg, path)?;
+            let clean = read_icon(pkg, path, MAX_SVG)?;
            assets.push((format!("{}{icon}{suffix}", svg_prefix(&d.id)), clean));
            files.push(path.clone());
        }
@@ -0,0 +1,182 @@
+use super::PluginHost;
+use ide_core::{IdeError, IdeResult};
+use ide_plugin::Invocation;
+use std::{path::PathBuf, sync::Arc};
+#[derive(serde::Serialize, specta::Type)]
+pub struct NavigationFiles {
+    pub paths: Vec<ide_core::IpcPath>,
+    pub indexing: bool,
+    pub extensions: Vec<String>,
+}
+
+/// File discovery is separate from clicking: the UI schedules small background
+/// batches after initial index completion and updates only changed files later.
+pub async fn plugin_navigation_files(
+    host: &crate::Host,
+    plugins: Arc<PluginHost>,
+    window: &str,
+) -> IdeResult<NavigationFiles> {
+    let project = host.project(window)?;
+    blocking(move || {
+        let extensions = plugins.navigation_extensions(&project.root);
+        if extensions.is_empty() {
+            return Ok(NavigationFiles { paths: vec![], indexing: false, extensions: vec![] });
+        }
+        let indexing = project.index.status().indexing;
+        let files = project.index.files_with_extensions(&extensions, 20_001);
+        if files.len() > 20_000 {
+            return Err(IdeError::unavailable("plugin navigation supports up to 20,000 matching files"));
+        }
+        Ok(NavigationFiles {
+            paths: files.into_iter().filter(|p| p.starts_with(&project.root)).map(Into::into).collect(),
+            indexing,
+            extensions,
+        })
+    })
+    .await
+}
+
+pub fn plugin_navigation_invalidate(
+    host: &crate::Host,
+    plugins: Arc<PluginHost>,
+    window: &str,
+    paths: Option<Vec<PathBuf>>,
+) -> IdeResult<()> {
+    let project = host.project(window)?;
+    plugins.invalidate_client_navigation(&project.root, Some(window), paths.as_deref());
+    Ok(())
+}
+
+pub async fn plugin_navigation_index(
+    host: &crate::Host,
+    plugins: Arc<PluginHost>,
+    window: &str,
+    paths: Vec<PathBuf>,
+    request: ide_core::RequestId,
+) -> IdeResult<()> {
+    if paths.len() > 16 {
+        return Err(IdeError::invalid("navigation batches are limited to 16 files"));
+    }
+    let project = host.project(window)?;
+    let cancel = host.begin_project_request(window, request);
+    let client = window.to_owned();
+    let result = blocking(move || {
+        if !project.is_trusted() {
+            return Err(IdeError::unavailable("project is not trusted"));
+        }
+        for path in paths {
+            if cancel.is_cancelled() {
+                return Err(IdeError::cancelled());
+            }
+            let Ok(path) = ide_plugin::resolve_in_root(&project.root, &path.to_string_lossy()) else {
+                continue;
+            };
+            let extensions = plugins.navigation_extensions(&project.root);
+            if !path.extension().and_then(|e| e.to_str()).is_some_and(|e| extensions.iter().any(|x| x == e)) {
+                continue;
+            }
+            let document = project.documents.by_path(&path);
+            let (text, version, language) = if let Some(id) = document {
+                let snapshot = project.documents.text_snapshot(id)?;
+                if snapshot.large {
+                    continue;
+                }
+                (snapshot.text, Some(snapshot.version), snapshot.language)
+            } else {
+                use std::io::Read;
+                if !std::fs::metadata(&path)
+                    .is_ok_and(|m| m.is_file() && m.len() <= crate::plugins::navigation::MAX_DOCUMENT_BYTES as u64)
+                {
+                    continue;
+                }
+                let Ok(file) = std::fs::File::open(&path) else {
+                    continue;
+                };
+                let mut text = String::new();
+                if file
+                    .take((crate::plugins::navigation::MAX_DOCUMENT_BYTES + 1) as u64)
+                    .read_to_string(&mut text)
+                    .is_err()
+                {
+                    continue;
+                }
+                let language = project.languages.detect(&path, text.lines().next());
+                (text, None, language)
+            };
+            if text.len() > crate::plugins::navigation::MAX_DOCUMENT_BYTES {
+                continue;
+            }
+            let symbols = project
+                .index
+                .symbols_for_text(&path, &text)
+                .unwrap_or_else(|| project.syntax.syntax().tags(&language, &text));
+            let roots = project.roots();
+            let scope = roots
+                .roots
+                .iter()
+                .filter(|r| path.starts_with(project.root.join(&r.path)))
+                .max_by_key(|r| r.path.len())
+                .and_then(|r| r.detected_from.as_deref())
+                .unwrap_or("");
+            plugins.index_navigation(
+                &project.root,
+                crate::plugins::navigation::Snapshot { path: &path, version, text: &text, symbols: &symbols, scope },
+                Invocation {
+                    client: Some(client.clone()),
+                    workspace_root: Some(project.root.clone()),
+                    editor: None,
+                    selected_paths: Vec::new(),
+                },
+            )?;
+            // A document edit while WASM was executing must not publish stale ranges.
+            if cancel.is_cancelled() || document.is_some_and(|id| project.documents.version(id).ok() != version) {
+                plugins.invalidate_client_navigation(&project.root, Some(&client), Some(&[path]));
+            }
+        }
+        Ok(())
+    })
+    .await;
+    host.end_request(request);
+    result
+}
+
+pub async fn plugin_navigation_goto(
+    host: &crate::Host,
+    plugins: Arc<PluginHost>,
+    window: &str,
+    doc: ide_core::DocId,
+    pos: ide_core::Pos,
+) -> IdeResult<Option<crate::plugins::navigation::NavigationResult>> {
+    let project = host.project(window)?;
+    let client = window.to_owned();
+    blocking(move || {
+        let (path, version) = project.documents.identity(doc)?;
+        Ok(plugins.navigation_at(&project.root, &path, version, pos, Some(&client), |p| {
+            project.documents.by_path(p).and_then(|id| project.documents.version(id).ok())
+        }))
+    })
+    .await
+}
+
+pub async fn plugin_navigation_markers(
+    host: &crate::Host,
+    plugins: Arc<PluginHost>,
+    window: &str,
+    paths: Vec<PathBuf>,
+) -> IdeResult<Vec<crate::plugins::navigation::FileMarkers>> {
+    if paths.len() > 64 {
+        return Err(IdeError::invalid("marker batches are limited to 64 files"));
+    }
+    let project = host.project(window)?;
+    let client = window.to_owned();
+    blocking(move || {
+        Ok(plugins.navigation_markers(&project.root, &paths, Some(&client), |p| {
+            project.documents.by_path(p).and_then(|id| project.documents.version(id).ok())
+        }))
+    })
+    .await
+}
+
+async fn blocking<T: Send + 'static>(f: impl FnOnce() -> IdeResult<T> + Send + 'static) -> IdeResult<T> {
+    tokio::task::spawn_blocking(f).await.map_err(|e| IdeError::internal(e.to_string()))?
+}
@@ -6,9 +6,10 @@
 //! Release builds pin the official publisher to the keys they were built
 //! with, so no index can sign `openidea.*` plugins with another key.

+use super::icons::{MAX_PLUGIN_ICON, sanitize_svg};
 use super::{PackageFile, PluginEvent, PluginHost, PluginSource, PluginStatus, PluginUpdate, install};
 use ide_core::{IdeError, IdeResult};
-use ide_extension::package::{self, Index, IndexEntry, PackageSignature, SIGNATURE_FILE};
+use ide_extension::package::{self, Index, IndexEntry, PackageSignature, PluginIcon, SIGNATURE_FILE};
 use ide_extension::{MANIFEST_FILE, Manifest};
 use semver::Version;
 use serde::{Deserialize, Serialize};
@@ -67,6 +68,14 @@ fn pinned(mut index: Index, official_keys: &[String]) -> Index {
    index
 }

+/// An index's icon as the UI may show it: sanitised again, as any index may
+/// have written it; without a light variant that passes, none.
+fn safe_icon(icon: PluginIcon) -> Option<PluginIcon> {
+    // Before sanitising too: an index may hold megabytes of it.
+    let clean = |svg: String| (svg.len() <= MAX_PLUGIN_ICON).then(|| sanitize_svg(&svg).ok()).flatten();
+    Some(PluginIcon { light: clean(icon.light)?, dark: icon.dark.and_then(clean) })
+}
+
 /// Reads `url`: `http(s)://…`, `file://…` or a local path.
 pub fn read_url(url: &str, max: usize) -> Result<Vec<u8>, String> {
    if url.starts_with("https://") || url.starts_with("http://") {
@@ -242,7 +251,9 @@ impl PluginHost {
                    .get(&entry.id)
                    .filter(|p| p.source == PluginSource::Installed)
                    .map(|p| p.manifest().version.clone());
-                MarketPlugin { entry: entry.clone(), installed, compatible }
+                let mut entry = entry.clone();
+                entry.icon = entry.icon.and_then(safe_icon);
+                MarketPlugin { entry, installed, compatible }
            })
            .collect()
    }
@@ -350,7 +361,7 @@ impl PluginHost {
    pub(super) fn package_files_in(&self, dir: &Path) -> IdeResult<Vec<PathBuf>> {
        let manifest = Manifest::load(dir).map_err(IdeError::invalid)?;
        let pkg = ide_extension::Package::new(manifest, dir.to_path_buf());
-        let set = self.registry.prepare(&pkg).map_err(IdeError::invalid)?;
+        let set = self.prepare(&pkg).map_err(IdeError::invalid)?;
        Ok(set.files.into_iter().chain(pkg.manifest.wasm.clone()).collect())
    }

@@ -20,14 +20,17 @@ mod icon_extensions;
 mod icon_patterns;
 mod icon_settings;
 mod icons;
+pub mod index_ops;
 mod install;
 pub mod intellij;
 mod market;
+pub mod navigation;
 mod points;
 mod providers;
 pub mod remote;
 pub mod remote_host;
 mod run_detectors;
+mod semantic_tokens;
 mod theme;
 mod types;
 pub mod ui_points;
@@ -35,14 +38,17 @@ pub mod views;
 pub mod web;

 pub use api::{FileSecretStore, HostWorkspace, PluginWorkspace, SecretStore};
-pub use icons::{map_asset as icon_theme_map_asset, sanitize_svg, svg_prefix as icon_theme_svg_prefix};
+pub use icons::{
+    MAX_PLUGIN_ICON, map_asset as icon_theme_map_asset, plugin_icon, sanitize_svg, svg_prefix as icon_theme_svg_prefix,
+};
 pub use market::{
    INDEX_FILE as MARKET_INDEX_FILE, MarketPlugin, OFFICIAL_INDEX as OFFICIAL_MARKET_INDEX, OFFICIAL_PUBLISHER,
    read_url as read_market_url, resolve as resolve_market_href,
 };
 pub use points::{COMMANDS, CommandDecl, register_builtin_points};
-pub(crate) use providers::editor_providers as editor_providers_for;
 pub use providers::{ProviderKind, set_editor_providers};
+pub(crate) use providers::{editor_plugin_host, editor_providers as editor_providers_for};
+pub(crate) use semantic_tokens::merge as merge_semantic_tokens;
 pub use theme::{ThemeDef, ThemeKind};
 pub use types::*;

@@ -55,7 +61,8 @@ use ide_extension::{
 use ide_language::plugin_point::PluginLanguages;
 use ide_language::{LanguageConfig, ProgramPin};
 use ide_plugin::{
-    Actor, ActorError, CANCELLED, CallError, HostApi, Invocation, Limits, PluginEngine, Runtime, RuntimeSetup,
+    Actor, ActorError, CANCELLED, CallError, HostApi, HostError, Invocation, Limits, PluginEngine, Runtime,
+    RuntimeSetup,
 };
 use parking_lot::{Condvar, Mutex, RwLock};
 use serde::{Deserialize, Serialize};
@@ -182,6 +189,8 @@ const IDLE_BATCH: Duration = Duration::from_secs(2);

 struct LoadedPlugin {
    pkg: Package,
+    /// Read at load so disabled and failed plugins show it too.
+    icon: Option<ide_extension::package::PluginIcon>,
    /// The manifest failed to parse: `pkg` is a placeholder.
    invalid: bool,
    source: PluginSource,
@@ -308,6 +317,7 @@ pub struct PluginHost {
    run_detectors: Arc<run_detectors::RunDetectors>,
    /// `[[contributes.providers]]` of enabled plugins.
    providers: Arc<providers::Providers>,
+    navigation: Mutex<navigation::NavigationIndex>,
    /// Validated UI declarations of installed packages (start-up reuses them).
    index: Arc<ContributionIndex>,
    ledger: Mutex<Ledger>,
@@ -396,6 +406,7 @@ impl PluginHost {
            languages,
            run_detectors,
            providers,
+            navigation: Mutex::default(),
            index,
            plugins: RwLock::default(),
            state: Mutex::new(state),
@@ -1066,6 +1077,66 @@ impl PluginHost {
        })
    }

+    /// The Services pane of node `key` of the plugin's `location = "services"`
+    /// view `view`.
+    pub fn service_detail(
+        &self,
+        id: &str,
+        view: &str,
+        key: &str,
+        invocation: Invocation,
+    ) -> IdeResult<Vec<ide_plugin::ServiceTab>> {
+        self.services_view(id, view)?;
+        let (view, key) = (view.to_owned(), key.to_owned());
+        self.code_call(id, invocation, "rendering the service's pane", move |rt, inv| {
+            rt.service_detail(&view, &key, inv)
+        })
+    }
+
+    /// Runs the program of the log tab `tab` of node `key`'s pane, with the
+    /// arguments of the toggles in `on`, streaming its output until it exits
+    /// or `cancel` fires; returns its exit code. The pane is asked of the
+    /// plugin again, so the UI never names what runs. Needs the plugin's
+    /// `process:<program>` grant.
+    #[allow(clippy::too_many_arguments)]
+    pub fn stream_service_log(
+        &self,
+        id: &str,
+        view: &str,
+        key: &str,
+        tab: &str,
+        on: &[String],
+        invocation: Invocation,
+        cancel: &ide_core::CancellationToken,
+        on_line: &dyn Fn(PluginOutputLine),
+    ) -> IdeResult<Option<i32>> {
+        if cancel.is_cancelled() {
+            return Err(IdeError::cancelled());
+        }
+        let cwd = invocation.workspace_root.clone();
+        let tabs = self.service_detail(id, view, key, invocation)?;
+        let Some(ide_plugin::ServicePane::Log(log)) = tabs.into_iter().find(|t| t.id == tab).map(|t| t.body) else {
+            return Err(IdeError::not_found(format!("the pane of {key:?} has no log tab {tab:?}")));
+        };
+        let toggled = log.toggles.into_iter().filter(|t| on.contains(&t.id)).flat_map(|t| t.args);
+        let args: Vec<String> = log.args.into_iter().chain(toggled).collect();
+        let plugin =
+            self.plugins.read().get(id).cloned().ok_or_else(|| IdeError::not_found(format!("plugin {id:?}")))?;
+        let cap = Capability::Process(log.program.clone());
+        if !plugin.meta.lock().granted.iter().any(|g| g.covers(&cap)) {
+            let denied = HostError::Denied(cap.to_string()).to_string();
+            return Err(IdeError::new(ide_core::error::ErrorKind::PermissionDenied, denied));
+        }
+        let api = api::PluginApi { pkg: plugin.pkg.clone(), shared: self.shared.clone() };
+        api.stream_process(&log.program, args, cwd.as_deref(), cancel, on_line).map_err(|e| match e {
+            HostError::Cancelled => IdeError::cancelled(),
+            e @ HostError::Denied(_) => IdeError::new(ide_core::error::ErrorKind::PermissionDenied, e.to_string()),
+            HostError::NotFound(m) => IdeError::not_found(m),
+            HostError::Invalid(m) => IdeError::invalid(m),
+            e => IdeError::unavailable(e.to_string()),
+        })
+    }
+
    fn declared_view(&self, id: &str, view: &str) -> IdeResult<()> {
        let declared = [ui_points::VIEWS, ui_points::CUSTOM_EDITORS]
            .iter()
@@ -1073,6 +1144,19 @@ impl PluginHost {
        if declared { Ok(()) } else { Err(IdeError::not_found(format!("plugin {id:?} declares no view {view:?}"))) }
    }

+    fn services_view(&self, id: &str, view: &str) -> IdeResult<()> {
+        let services = self
+            .ui
+            .items(ui_points::VIEWS, Some(id))
+            .iter()
+            .any(|i| i.key == view && i.decl["location"].as_str() == Some(ui_points::SERVICES_LOCATION));
+        if services {
+            Ok(())
+        } else {
+            Err(IdeError::not_found(format!("plugin {id:?} declares no services view {view:?}")))
+        }
+    }
+
    /// One call into a plugin's code for the UI: checks it may run (asking
    /// for missing consent), activates it, retries once when the instance was
    /// reclaimed meanwhile, and reports crashes.
@@ -1252,11 +1336,34 @@ impl PluginHost {
        self.shared.status_items()
    }

+    /// Plugin context keys in effect for window `client`: global keys overlaid with its own.
+    pub fn context_keys(&self, client: Option<&str>) -> Vec<PluginContextKey> {
+        self.shared.context_keys(client)
+    }
+
+    /// A window labelled `label` is about to exist again (labels are reused).
+    pub fn reopen_client(&self, label: &str) {
+        self.shared.reopen_client(label);
+    }
+
+    /// Window `label` closed: drops its context keys and queued events, and ignores
+    /// context writes of commands still running for it.
+    pub fn forget_client(&self, label: &str) {
+        self.queues.lock().retain(|(_, client), _| client.as_deref() != Some(label));
+        self.shared.forget_client(label);
+    }
+
    /// The user cancelled a plugin task (`task_id` from `TaskStarted`).
    pub fn cancel_task(&self, task_id: &str) -> bool {
        task_id.parse().is_ok_and(|id| self.shared.cancel_task(id))
    }

+    /// The user answered (`Some`) or dismissed (`None`) a prompt
+    /// (`PromptRequested`); false when it is no longer waiting.
+    pub fn answer_prompt(&self, prompt_id: &str, answer: Option<Vec<String>>) -> bool {
+        prompt_id.parse().is_ok_and(|id| self.shared.answer_prompt(id, answer))
+    }
+
    /// Kinds of workbench events some running or activatable plugin wants;
    /// the UI reports only these.
    pub fn event_kinds(&self) -> BTreeSet<EventKind> {
@@ -1385,6 +1492,7 @@ impl PluginHost {
            workspace_root: client.as_deref().and_then(|c| self.shared.project_of(c)),
            client: client.clone(),
            editor: None,
+            selected_paths: Vec::new(),
        };
        let kinds: BTreeSet<EventKind> = events.iter().map(WorkbenchEvent::kind).collect();
        {
@@ -1524,7 +1632,7 @@ impl PluginHost {
                continue;
            }
            let pkg = Package::new(m.clone(), dir.clone());
-            let problem = match self.registry.prepare(&pkg) {
+            let problem = match self.prepare(&pkg) {
                Err(e) => Some(e),
                Ok(_) => m
                    .wasm
@@ -1547,6 +1655,7 @@ impl PluginHost {
                authors: m.authors,
                homepage: m.homepage,
                change_notes: m.change_notes,
+                icon: plugin_icon(&pkg).ok().flatten(),
                path: dir.into(),
                problem,
            });
@@ -1558,6 +1667,9 @@ impl PluginHost {
    /// Deactivates every plugin (also done on drop).
    pub fn shutdown(&self) {
        let actors: Vec<_> = self.plugins.read().values().filter_map(|p| p.runtime.lock().take()).collect();
+        for id in self.plugins.read().keys() {
+            self.shared.block_prompts(id);
+        }
        for a in &actors {
            a.stop(false);
        }
@@ -1641,11 +1753,24 @@ impl PluginHost {
        self.plugins.read().values().any(|p| p.dir() == dir)
    }

+    /// Validates the manifest's icon and every declaration of `pkg`; the
+    /// icon files join the package files the declarations reference.
+    fn prepare(&self, pkg: &Package) -> Result<ide_extension::PreparedSet, String> {
+        plugin_icon(pkg)?;
+        let mut set = self.registry.prepare(pkg)?;
+        for icon in [&pkg.manifest.icon, &pkg.manifest.icon_dark].into_iter().flatten() {
+            if !set.files.contains(icon) {
+                set.files.push(icon.clone());
+            }
+        }
+        Ok(set)
+    }
+
    /// Parses and validates a package directory; nothing takes effect.
    fn validate_package(&self, src: &Path) -> IdeResult<(Package, ide_extension::PreparedSet)> {
        let manifest = Manifest::load(src).map_err(IdeError::invalid)?;
        let pkg = Package::new(manifest, src.to_path_buf());
-        let set = self.registry.prepare(&pkg).map_err(IdeError::invalid)?;
+        let set = self.prepare(&pkg).map_err(IdeError::invalid)?;
        if let Some(wasm) = &pkg.manifest.wasm {
            if !src.join(wasm).is_file() {
                return Err(IdeError::invalid(format!(
@@ -1678,6 +1803,7 @@ impl PluginHost {
            pkg = pkg.with_digest(digest.trim());
        }
        let plugin = Arc::new(LoadedPlugin {
+            icon: plugin_icon(&pkg).ok().flatten(),
            pkg,
            invalid,
            source,
@@ -1727,7 +1853,7 @@ impl PluginHost {
            let publisher = self.verified_publisher(plugin.dir());
            plugin.meta.lock().publisher = publisher;
        }
-        let set = match self.registry.prepare(&plugin.pkg) {
+        let set = match self.prepare(&plugin.pkg) {
            Ok(set) => set,
            Err(e) => return self.set_failed(plugin, e),
        };
@@ -1857,6 +1983,7 @@ impl PluginHost {
            Err(e) => return Err(IdeError::internal(format!("plugin {:?}: {e}", plugin.id()))),
        };
        *runtime = Some(actor.clone());
+        self.shared.allow_prompts(plugin.id());
        let mut meta = plugin.meta.lock();
        meta.status = PluginStatus::Active;
        meta.has_syntax = has_syntax;
@@ -1881,6 +2008,7 @@ impl PluginHost {
            }
        }
        let Some(error) = actor.take_crash() else { return };
+        self.clear_plugin_navigation(plugin.id());
        if error.starts_with(CANCELLED) {
            // Cancelled on request: restart on next use, no backoff.
            let mut meta = plugin.meta.lock();
@@ -1952,6 +2080,9 @@ impl PluginHost {
    }

    fn stop(&self, plugin: &LoadedPlugin) {
+        self.clear_plugin_navigation(plugin.id());
+        // A call waiting on the user would keep the join below waiting.
+        self.shared.block_prompts(plugin.id());
        if let Some(actor) = plugin.runtime.lock().take() {
            actor.stop(true);
        }
@@ -1961,6 +2092,7 @@ impl PluginHost {
    }

    fn set_failed(&self, plugin: &LoadedPlugin, error: String) {
+        self.clear_plugin_navigation(plugin.id());
        tracing::warn!(plugin = %plugin.id(), "{error}");
        self.registry.dispose_plugin(plugin.id());
        let mut meta = plugin.meta.lock();
@@ -1969,6 +2101,7 @@ impl PluginHost {
    }

    fn fail(&self, plugin: &LoadedPlugin, error: &str, client: Option<&str>) {
+        self.clear_plugin_navigation(plugin.id());
        tracing::warn!(plugin = %plugin.id(), "disabled after failure: {error}");
        if let Some(actor) = plugin.runtime.lock().take() {
            actor.stop(false);
@@ -2078,7 +2211,7 @@ impl PluginHost {
            return h.trim().to_owned();
        }
        // Installed before hashes were recorded: hash once and remember.
-        let files = self.registry.prepare(&plugin.pkg).map(|s| s.files).unwrap_or_default();
+        let files = self.prepare(&plugin.pkg).map(|s| s.files).unwrap_or_default();
        let files: Vec<PathBuf> = files.into_iter().chain(plugin.manifest().wasm.clone()).collect();
        let hash = ledger::package_hash(plugin.dir(), &files).unwrap_or_default();
        let _ = std::fs::write(&file, &hash);
@@ -2145,6 +2278,7 @@ impl PluginHost {
            authors: m.authors.clone(),
            homepage: m.homepage.clone(),
            change_notes: m.change_notes.clone(),
+            icon: p.icon.clone(),
            source: p.source,
            path: p.dir().to_path_buf().into(),
            enabled: !self.state.lock().disabled.contains(&m.id),
@@ -2254,6 +2388,8 @@ fn placeholder_manifest(dir: &Path) -> Manifest {
        license: None,
        change_notes: None,
        declared_categories: Vec::new(),
+        icon: None,
+        icon_dark: None,
        engine: ide_extension::ENGINE_VERSION.into(),
        legacy: false,
        wasm: None,
@@ -0,0 +1,462 @@
+//! API 1.x document indexers: background snapshots become project-scoped
+//! associations. Navigation and gutter markers only read validated memory indexes.
+use super::PluginHost;
+use ide_core::{IdeError, IdeResult, Location, Pos, Range};
+use ide_extension::{Capability, Disposable, ExtensionPoint, Package, Placement, Prepared, decode};
+use ide_language::SymbolTag;
+use ide_plugin::Invocation;
+use serde::Deserialize;
+
+use std::collections::{BTreeMap, HashMap};
+use std::path::{Path, PathBuf};
+use std::sync::{Arc, Weak};
+
+pub const MAX_DOCUMENT_BYTES: usize = 2 << 20;
+const MAX_FILES: usize = 20_000;
+const MAX_EDGES: usize = 4096;
+
+pub struct Snapshot<'a> {
+    pub path: &'a Path,
+    pub version: Option<u32>,
+    pub text: &'a str,
+    pub symbols: &'a [SymbolTag],
+    pub scope: &'a str,
+}
+
+pub use ide_plugin::indexing::*;
+
+struct File {
+    version: Option<u32>,
+    scope: String,
+    edges: Edges,
+}
+#[derive(Default)]
+struct Graph {
+    instance: Weak<super::LoadedPlugin>,
+    files: BTreeMap<PathBuf, File>,
+    definitions: HashMap<String, Vec<Location>>,
+    aliases: HashMap<String, Vec<(PathBuf, String)>>,
+    edges: usize,
+}
+impl Graph {
+    fn targets(&self, key: &str) -> Vec<&Location> {
+        let mut keys = vec![key.to_owned()];
+        let mut seen = std::collections::HashSet::new();
+        let mut targets = vec![];
+        while let Some(key) = keys.pop() {
+            if seen.len() >= 64 || !seen.insert(key.clone()) {
+                continue;
+            }
+            if let Some(locations) = self.definitions.get(&key) {
+                targets.extend(locations.iter().take(256usize.saturating_sub(targets.len())));
+                continue;
+            }
+            if let Some((prefix, suffix)) = key.split_once('#')
+                && let Some(aliases) = self.aliases.get(&format!("{prefix}#"))
+            {
+                for (_, target) in aliases.iter().take(64) {
+                    keys.push(format!("{target}{suffix}"));
+                }
+            }
+        }
+        targets
+    }
+    fn remove(&mut self, path: &Path) {
+        if let Some(file) = self.files.remove(path) {
+            self.edges -= file.edges.definitions.len()
+                + file.edges.references.len()
+                + file.edges.aliases.len()
+                + file.edges.markers.len();
+            for alias in file.edges.aliases {
+                if let Some(entries) = self.aliases.get_mut(&alias.prefix) {
+                    entries.retain(|(p, _)| p != path);
+                    if entries.is_empty() {
+                        self.aliases.remove(&alias.prefix);
+                    }
+                }
+            }
+            for anchor in file.edges.definitions {
+                if let Some(locations) = self.definitions.get_mut(&anchor.key) {
+                    locations.retain(|l| l.path.0.as_path() != path);
+                    if locations.is_empty() {
+                        self.definitions.remove(&anchor.key);
+                    }
+                }
+            }
+        }
+    }
+    fn insert(&mut self, path: PathBuf, file: File) {
+        self.remove(&path);
+        self.edges += file.edges.definitions.len()
+            + file.edges.references.len()
+            + file.edges.aliases.len()
+            + file.edges.markers.len();
+        for alias in &file.edges.aliases {
+            self.aliases.entry(alias.prefix.clone()).or_default().push((path.clone(), alias.target.clone()));
+        }
+        for anchor in &file.edges.definitions {
+            self.definitions.entry(anchor.key.clone()).or_default().push(Location {
+                path: path.clone().into(),
+                range: anchor.range,
+                uri: None,
+            });
+        }
+        self.files.insert(path, file);
+    }
+}
+
+#[derive(Default)]
+pub(crate) struct NavigationIndex {
+    projects: HashMap<(PathBuf, Option<String>), HashMap<String, Graph>>,
+    generation: u64,
+    epochs: HashMap<PathBuf, u64>,
+}
+
+fn contains(range: Range, pos: Pos) -> bool {
+    (range.start.line, range.start.col) <= (pos.line, pos.col) && (pos.line, pos.col) < (range.end.line, range.end.col)
+}
+fn valid_range(lines: &[usize], range: Range) -> bool {
+    let pos = |p: Pos| lines.get(p.line as usize).is_some_and(|&length| p.col as usize <= length);
+    pos(range.start) && pos(range.end) && (range.start.line, range.start.col) < (range.end.line, range.end.col)
+}
+
+impl PluginHost {
+    pub(crate) fn clear_plugin_navigation(&self, id: &str) {
+        let mut index = self.navigation.lock();
+        index.generation = index.generation.wrapping_add(1);
+        let epoch = index.generation;
+        let roots: Vec<_> = index.projects.keys().cloned().collect();
+        for root in roots {
+            index.epochs.insert(root.0, epoch);
+        }
+        for graphs in index.projects.values_mut() {
+            graphs.remove(id);
+        }
+        drop(index);
+        self.emit(None, super::PluginEvent::DocumentIndexesChanged);
+    }
+
+    /// Extensions with an active, permissioned navigation provider for this root.
+    pub fn navigation_extensions(&self, root: &Path) -> Vec<String> {
+        if !(self.project_policy.read())(root) {
+            return vec![];
+        }
+        self.plugins
+            .read()
+            .values()
+            .filter(|p| p.status().is_live() && p.dev_root.as_deref().is_none_or(|r| r == root))
+            .filter_map(|p| declaration(p))
+            .flat_map(|d| d.extensions)
+            .collect()
+    }
+
+    /// Remove stale contributions before scheduling replacement work. `None`
+    /// disposes the project, including reverse-index entries, on project close.
+    pub fn invalidate_navigation(&self, root: &Path, paths: Option<&[PathBuf]>) {
+        self.invalidate_navigation_scope(root, None, paths);
+    }
+
+    pub fn invalidate_client_navigation(&self, root: &Path, client: Option<&str>, paths: Option<&[PathBuf]>) {
+        self.invalidate_navigation_scope(root, Some(client), paths);
+    }
+
+    fn invalidate_navigation_scope(&self, root: &Path, client: Option<Option<&str>>, paths: Option<&[PathBuf]>) {
+        let matches = |key: &(PathBuf, Option<String>)| key.0 == root && client.is_none_or(|c| key.1.as_deref() == c);
+        let mut index = self.navigation.lock();
+        index.generation = index.generation.wrapping_add(1);
+        let epoch = index.generation;
+        index.epochs.insert(root.to_owned(), epoch);
+        if index.epochs.len() > 64
+            && let Some(oldest) = index.epochs.iter().min_by_key(|(_, v)| **v).map(|(p, _)| p.clone())
+        {
+            index.epochs.remove(&oldest);
+        }
+        match paths {
+            None => {
+                index.projects.retain(|key, _| !matches(key));
+            }
+            Some(paths) => {
+                for graphs in index.projects.iter_mut().filter(|(key, _)| matches(key)).map(|(_, graphs)| graphs) {
+                    for graph in graphs.values_mut() {
+                        for path in paths {
+                            graph.remove(path);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /// Index one bounded snapshot. No directory traversal or parsing happens in
+    /// navigation_at. Call off the UI thread, in small cancellable batches.
+    pub fn index_navigation(&self, root: &Path, snapshot: Snapshot<'_>, invocation: Invocation) -> IdeResult<()> {
+        let Snapshot { path, version, text, symbols, scope } = snapshot;
+        if !(self.project_policy.read())(root) {
+            return Err(IdeError::unavailable("project is not trusted"));
+        }
+        if text.len() > MAX_DOCUMENT_BYTES {
+            return Err(IdeError::invalid("navigation document is too large"));
+        }
+        let real = ide_plugin::resolve_in_root(root, &path.to_string_lossy()).map_err(IdeError::invalid)?;
+        if real != path {
+            return Err(IdeError::invalid("navigation requires a canonical project path"));
+        }
+        let project_key = (root.to_owned(), invocation.client.clone());
+        let generation = self.navigation.lock().epochs.get(root).copied();
+        let extension = path.extension().and_then(|e| e.to_str()).unwrap_or_default();
+        let plugins: Vec<_> = self
+            .plugins
+            .read()
+            .values()
+            .filter(|p| {
+                p.status().is_live()
+                    && p.dev_root.as_deref().is_none_or(|r| r == root)
+                    && p.meta.lock().granted.contains(&Capability::ProjectRead)
+                    && declaration(p).is_some_and(|n| n.extensions.iter().any(|e| e == extension))
+            })
+            .cloned()
+            .collect();
+        if plugins.is_empty() {
+            return Ok(());
+        }
+        let lines: Vec<_> = text.split('\n').map(|l| l.encode_utf16().count()).collect();
+        for plugin in plugins {
+            let (actor, activated) = self.ensure_active(&plugin, invocation.client.as_deref())?;
+            if activated {
+                self.changed();
+            }
+            let (owned_path, owned_text) = (path.to_string_lossy().into_owned(), text.to_owned());
+            let symbols = symbols
+                .iter()
+                .map(|s| ide_plugin::indexing::IndexSymbol {
+                    name: s.name.clone(),
+                    kind: serde_json::to_value(s.kind)
+                        .ok()
+                        .and_then(|v| v.as_str().map(str::to_owned))
+                        .unwrap_or_default(),
+                    container: s.container.clone(),
+                    range: s.range,
+                })
+                .collect::<Vec<_>>();
+            let ctx = invocation.clone();
+            let started = std::time::Instant::now();
+            let result = actor.call(None, move |rt| rt.index_document(&owned_path, &owned_text, &symbols, ctx));
+            let edges = self
+                .finish_provider_call(&plugin, &actor, started, result)
+                .ok_or_else(|| IdeError::unavailable("document indexer did not return a result"))?;
+            let output_bytes = edges
+                .definitions
+                .iter()
+                .chain(&edges.references)
+                .chain(&edges.markers)
+                .map(|a| a.key.len().saturating_add(32))
+                .sum::<usize>()
+                .saturating_add(edges.aliases.iter().map(|a| a.prefix.len() + a.target.len()).sum::<usize>());
+            if output_bytes > MAX_DOCUMENT_BYTES {
+                return Err(IdeError::invalid("document index output is too large"));
+            }
+            if edges.aliases.len() > 256
+                || edges.aliases.iter().any(|a| {
+                    !a.prefix.ends_with('#')
+                        || !a.target.ends_with('#')
+                        || a.prefix.len() > 1024
+                        || a.target.len() > 1024
+                })
+                || edges.definitions.len() + edges.references.len() > MAX_EDGES
+                || edges
+                    .definitions
+                    .iter()
+                    .chain(&edges.references)
+                    .any(|a| a.key.is_empty() || a.key.len() > 1024 || !valid_range(&lines, a.range))
+            {
+                return Err(IdeError::invalid("invalid navigation anchors"));
+            }
+            if edges.markers.len() > MAX_EDGES
+                || edges.markers.iter().any(|a| a.key.is_empty() || a.key.len() > 1024 || !valid_range(&lines, a.range))
+            {
+                return Err(IdeError::invalid("invalid navigation markers"));
+            }
+            let mut index = self.navigation.lock();
+            if index.epochs.get(root).copied() != generation {
+                return Err(IdeError::cancelled());
+            }
+            // Keep a bounded number of project graphs, including closed windows
+            // whose frontend did not get an opportunity to dispose its state.
+            if index.projects.len() >= 16 && !index.projects.contains_key(&project_key) {
+                return Err(IdeError::unavailable("navigation project limit reached"));
+            }
+            let graph =
+                index.projects.entry(project_key.clone()).or_default().entry(plugin.id().to_owned()).or_default();
+            if !graph.instance.ptr_eq(&Arc::downgrade(&plugin)) {
+                *graph = Graph { instance: Arc::downgrade(&plugin), ..Default::default() };
+            }
+            if graph.files.len() >= MAX_FILES && !graph.files.contains_key(path) {
+                return Err(IdeError::unavailable("navigation file limit reached"));
+            }
+            graph.remove(path);
+            if graph.edges
+                + edges.definitions.len()
+                + edges.references.len()
+                + edges.aliases.len()
+                + edges.markers.len()
+                > 200_000
+            {
+                return Err(IdeError::unavailable("navigation association limit reached"));
+            }
+            graph.insert(path.to_owned(), File { version, scope: scope.to_owned(), edges });
+        }
+        Ok(())
+    }
+
+    /// Resolves only current live providers. Disable/reload/trap cannot retain
+    /// navigable stale data, even if a background snapshot finished concurrently.
+    pub fn navigation_at(
+        &self,
+        root: &Path,
+        path: &Path,
+        version: u32,
+        pos: Pos,
+        client: Option<&str>,
+        version_of: impl Fn(&Path) -> Option<u32>,
+    ) -> Option<NavigationResult> {
+        if !(self.project_policy.read())(root) {
+            return None;
+        }
+        let plugins = self.plugins.read();
+        let index = self.navigation.lock();
+        let graphs = index.projects.get(&(root.to_owned(), client.map(str::to_owned)))?;
+        let mut result: Option<NavigationResult> = None;
+        for (id, graph) in graphs {
+            let Some(plugin) = plugins.get(id) else { continue };
+            if !plugin.status().is_live() || !graph.instance.ptr_eq(&Arc::downgrade(plugin)) {
+                continue;
+            }
+            let Some(file) = graph.files.get(path) else { continue };
+            if file.version != Some(version) {
+                continue;
+            }
+            for reference in &file.edges.references {
+                if !contains(reference.range, pos) {
+                    continue;
+                }
+                let targets = graph.targets(&reference.key);
+                if targets.is_empty() {
+                    continue;
+                }
+                let answer = result.get_or_insert_with(|| NavigationResult { range: reference.range, targets: vec![] });
+                let local = targets.iter().any(|t| graph.files.get(&t.path.0).is_some_and(|f| f.scope == file.scope));
+                for target in targets.iter().take(256) {
+                    let Some(target_file) = graph.files.get(&target.path.0) else {
+                        continue;
+                    };
+                    if local && target_file.scope != file.scope {
+                        continue;
+                    }
+                    if version_of(&target.path).is_some_and(|v| target_file.version != Some(v)) {
+                        continue;
+                    }
+                    if (target.path.0.as_path() != path || !contains(target.range, pos))
+                        && !answer.targets.iter().any(|t| t.path == target.path && t.range == target.range)
+                    {
+                        answer.targets.push((*target).clone());
+                    }
+                }
+            }
+        }
+        result.filter(|r| !r.targets.is_empty())
+    }
+    /// Gutter markers of visible files. Uses only existing graph entries; never executes WASM.
+    pub fn navigation_markers(
+        &self,
+        root: &Path,
+        paths: &[PathBuf],
+        client: Option<&str>,
+        version_of: impl Fn(&Path) -> Option<u32>,
+    ) -> Vec<FileMarkers> {
+        if !(self.project_policy.read())(root) {
+            return vec![];
+        }
+        let plugins = self.plugins.read();
+        let index = self.navigation.lock();
+        let Some(graphs) = index.projects.get(&(root.to_owned(), client.map(str::to_owned))) else {
+            return vec![];
+        };
+        let mut result = vec![];
+        for path in paths {
+            for (id, graph) in graphs {
+                let Some(plugin) = plugins.get(id) else { continue };
+                if !plugin.status().is_live() || !graph.instance.ptr_eq(&Arc::downgrade(plugin)) {
+                    continue;
+                }
+                let Some(file) = graph.files.get(path) else { continue };
+                if version_of(path).is_some_and(|v| file.version != Some(v)) {
+                    continue;
+                }
+                let mut markers = vec![];
+                for anchor in &file.edges.markers {
+                    let candidates = graph.targets(&anchor.key);
+                    let local =
+                        candidates.iter().any(|t| graph.files.get(&t.path.0).is_some_and(|f| f.scope == file.scope));
+                    let mut targets = vec![];
+                    for target in candidates {
+                        let Some(other) = graph.files.get(&target.path.0) else { continue };
+                        if (local && other.scope != file.scope)
+                            || version_of(&target.path).is_some_and(|v| other.version != Some(v))
+                            || (target.path.0 == *path && target.range == anchor.range)
+                        {
+                            continue;
+                        }
+                        if !targets.iter().any(|t: &Location| t.path == target.path && t.range == target.range) {
+                            targets.push(target.clone());
+                        }
+                    }
+                    if !targets.is_empty() {
+                        markers.push(NavigationResult { range: anchor.range, targets });
+                    }
+                }
+                if !markers.is_empty() {
+                    result.push(FileMarkers { path: path.clone(), version: file.version, markers });
+                }
+            }
+        }
+        result
+    }
+}
+
+#[derive(Clone, Deserialize)]
+#[serde(deny_unknown_fields)]
+struct Decl {
+    extensions: Vec<String>,
+}
+fn declaration(p: &super::LoadedPlugin) -> Option<Decl> {
+    p.manifest()
+        .declarations("documentIndexers")
+        .into_iter()
+        .next()
+        .and_then(|d| decode("documentIndexers", d.clone()).ok())
+}
+pub struct IndexersPoint;
+impl ExtensionPoint for IndexersPoint {
+    fn id(&self) -> &'static str {
+        "documentIndexers"
+    }
+    fn placement(&self) -> Placement {
+        Placement::Workspace
+    }
+    fn prepare(&self, pkg: &Package, value: toml::Value) -> Result<Prepared, String> {
+        let d: Decl = decode(self.id(), value)?;
+        if pkg.manifest.wasm.is_none()
+            || d.extensions.is_empty()
+            || d.extensions.len() > 32
+            || d.extensions
+                .iter()
+                .any(|e| e.is_empty() || e.len() > 32 || !e.bytes().all(|c| c.is_ascii_alphanumeric()))
+        {
+            return Err("documentIndexers requires wasm and 1-32 file extensions".into());
+        }
+        if pkg.manifest.declarations(self.id()).len() > 1 {
+            return Err("declare one document indexer per plugin".into());
+        }
+        Ok(Prepared::new(d.extensions.join(", "), || Ok(Disposable::new(|| {}))).capability(Capability::ProjectRead))
+    }
+}
@@ -56,6 +56,7 @@ pub fn register_builtin_points(
    registry.register(Arc::new(LanguagesPoint::new(languages.clone())))?;
    registry.register(Arc::new(UiPoint::new(super::icons::POINT_ID, ui.clone(), super::icons::icon_theme)))?;
    registry.register(Arc::new(super::run_detectors::RunDetectorsPoint::new(run_detectors.clone())))?;
+    registry.register(Arc::new(super::navigation::IndexersPoint))?;
    registry.register(Arc::new(super::providers::ProvidersPoint::new(providers.clone())))?;
    registry.register(Arc::new(UiPoint::new(super::providers::SECRETS_POINT, ui.clone(), super::providers::secret)))?;
    use super::ui_points as p;
@@ -37,6 +37,7 @@ pub enum ProviderKind {
    CodeActions,
    Definition,
    LineMarkers,
+    SemanticTokens,
 }

 #[derive(Clone, Debug, Deserialize)]
@@ -112,6 +113,9 @@ impl ExtensionPoint for ProvidersPoint {
        if d.kinds.is_empty() || d.languages.is_empty() || d.languages.len() > 64 {
            return Err("contributes.providers: give `kinds` and 1–64 `languages`".into());
        }
+        if d.kinds.contains(&ProviderKind::SemanticTokens) {
+            pkg.manifest.needs_api("contributes.providers: semantic-tokens", 3)?;
+        }
        for l in &d.languages {
            if l != "*"
                && (l.is_empty()
@@ -161,7 +165,7 @@ use super::{LoadedPlugin, PluginHost, PluginStatus};
 use ide_core::CancellationToken;
 use ide_plugin::{
    ActorError, CallError, CodeAction, CompletionItem, InlineSuggestion, LineMarker, Location, Pending,
-    ProviderDocument, Runtime,
+    ProviderDocument, Runtime, SemanticToken,
 };
 use std::sync::Weak;
 use std::time::{Duration, Instant};
@@ -180,10 +184,14 @@ pub fn set_editor_providers(host: Option<&Arc<PluginHost>>) {

 /// The plugin host whose providers take part, when any declares `kind`.
 pub(crate) fn editor_providers(kind: ProviderKind) -> Option<Arc<PluginHost>> {
-    let host = EDITOR_PROVIDERS.read().as_ref()?.upgrade()?;
+    let host = editor_plugin_host()?;
    host.providers.any(kind).then_some(host)
 }

+pub(crate) fn editor_plugin_host() -> Option<Arc<PluginHost>> {
+    EDITOR_PROVIDERS.read().as_ref()?.upgrade()
+}
+
 impl PluginHost {
    /// Usable plugins declaring `kind` for `language`.
    fn provider_plugins(&self, kind: ProviderKind, language: &str) -> Vec<Arc<LoadedPlugin>> {
@@ -327,6 +335,16 @@ impl PluginHost {
        .collect()
    }

+    pub fn provide_semantic_tokens(&self, doc: &ProviderDocument) -> Vec<SemanticToken> {
+        let d = Arc::new(doc.clone());
+        self.edit_calls(ProviderKind::SemanticTokens, &doc.language, move |rt, timeout| {
+            rt.provide_semantic_tokens(&d, timeout)
+        })
+        .into_iter()
+        .flat_map(|(_, tokens)| tokens)
+        .collect()
+    }
+
    /// Ghost text from the first plugin that has some. Not bound by the
    /// edit-path soft deadline (it may need the network) but by `cancel`:
    /// the editor cancels a request as soon as the user types on.
@@ -13,8 +13,9 @@
 //!
 //! The commands a window needs at run time (`plugin_run_command`,
 //! `plugin_post_events`, `plugin_event_kinds`, `plugin_status_items`,
-//! `plugin_cancel_task`, `plugin_set_active_file`, `plugin_line_markers`,
-//! `plugin_view_render`, `plugin_view_event`)
+//! `plugin_context_keys`, `plugin_cancel_task`, `plugin_answer_prompt`, `plugin_set_active_file`,
+//! `plugin_line_markers`, `plugin_view_render`, `plugin_view_event`, `plugin_service_detail`,
+//! `plugin_service_log`)
 //! carry the desktop commands' names and arguments, so a remote window's UI
 //! routes them here unchanged. Plugin results come back as `plugin`
 //! notifications ([`PluginEventMessage`]); secrets stay in the desktop's
@@ -107,6 +108,7 @@ pub fn forwarded(event: &PluginEvent) -> bool {
        event,
        PluginEvent::Notification { .. }
            | PluginEvent::StatusItemChanged { .. }
+            | PluginEvent::ContextChanged { .. }
            | PluginEvent::TaskStarted { .. }
            | PluginEvent::TaskProgress { .. }
            | PluginEvent::TaskEnded { .. }
@@ -117,6 +119,9 @@ pub fn forwarded(event: &PluginEvent) -> bool {
            | PluginEvent::OpenLocation { .. }
            | PluginEvent::CopyToClipboard { .. }
            | PluginEvent::OpenUrl { .. }
+            | PluginEvent::PromptRequested { .. }
+            | PluginEvent::PromptClosed { .. }
+            | PluginEvent::RevealView { .. }
    )
 }

@@ -124,7 +129,7 @@ pub fn forwarded(event: &PluginEvent) -> bool {

 impl PluginHost {
    fn package_files(&self, plugin: &super::LoadedPlugin) -> IdeResult<Vec<PathBuf>> {
-        let set = self.registry.prepare(&plugin.pkg).map_err(IdeError::invalid)?;
+        let set = self.prepare(&plugin.pkg).map_err(IdeError::invalid)?;
        Ok(set.files.into_iter().chain(plugin.manifest().wasm.clone()).collect())
    }

@@ -367,10 +372,12 @@ impl RemotePlugins {
                let command_id: String = c.arg("commandId")?;
                let arg: Option<String> = c.arg("arg")?;
                let editor: Option<PluginEditor> = c.arg("editor")?;
+                let paths: Option<Vec<PathBuf>> = c.arg("paths")?;
                let invocation = Invocation {
                    client: Some(c.window.clone()),
                    workspace_root: c.host.project(&c.window).ok().map(|p| p.root.clone()),
                    editor: editor.map(PluginEditor::context),
+                    selected_paths: paths.unwrap_or_default(),
                };
                blocking(move || host.run_command(&plugin_id, &command_id, arg.as_deref(), invocation)).await
            }
@@ -400,11 +407,21 @@ impl RemotePlugins {
            }
        });
        let h = host.clone();
+        d.add("plugin_context_keys", move |c| {
+            let h = h.clone();
+            async move { Ok(alive(&h)?.context_keys(Some(&c.window))) }
+        });
+        let h = host.clone();
        d.add("plugin_cancel_task", move |c| {
            let h = h.clone();
            async move { Ok(alive(&h)?.cancel_task(&c.arg::<String>("taskId")?)) }
        });
        let h = host.clone();
+        d.add("plugin_answer_prompt", move |c| {
+            let h = h.clone();
+            async move { Ok(alive(&h)?.answer_prompt(&c.arg::<String>("promptId")?, c.arg("answer")?)) }
+        });
+        let h = host.clone();
        d.add("plugin_set_active_file", move |c| {
            let h = h.clone();
            async move {
@@ -448,6 +465,78 @@ impl RemotePlugins {
                .await
            }
        });
+        let h = host.clone();
+        d.add("plugin_service_detail", move |c| {
+            let h = h.clone();
+            async move {
+                super::views::service_detail(
+                    &c.host,
+                    alive(&h)?,
+                    &c.window,
+                    c.arg("pluginId")?,
+                    c.arg("view")?,
+                    c.arg("key")?,
+                )
+                .await
+            }
+        });
+        let h = host.clone();
+        d.add("plugin_service_log", move |c| {
+            let h = h.clone();
+            async move {
+                super::views::service_log(
+                    &c.host,
+                    alive(&h)?,
+                    &c.window,
+                    c.arg("pluginId")?,
+                    c.arg("view")?,
+                    c.arg("key")?,
+                    c.arg("tab")?,
+                    c.arg("on")?,
+                    c.arg("request")?,
+                    c.sender("onLine")?,
+                )
+                .await
+            }
+        });
+        let h = host.clone();
+        d.add("plugin_navigation_files", move |c| {
+            let h = h.clone();
+            async move { super::index_ops::plugin_navigation_files(&c.host, alive(&h)?, &c.window).await }
+        });
+        let h = host.clone();
+        d.add("plugin_navigation_invalidate", move |c| { let h = h.clone(); async move {
+            super::index_ops::plugin_navigation_invalidate(&c.host, alive(&h)?, &c.window, c.arg("paths")?)
+        } });
+        let h = host.clone();
+        d.add("plugin_navigation_index", move |c| {
+            let h = h.clone();
+            async move {
+                super::index_ops::plugin_navigation_index(
+                    &c.host,
+                    alive(&h)?,
+                    &c.window,
+                    c.arg("paths")?,
+                    c.arg("request")?,
+                )
+                .await
+            }
+        });
+        let h = host.clone();
+        d.add("plugin_navigation_goto", move |c| {
+            let h = h.clone();
+            async move {
+                super::index_ops::plugin_navigation_goto(&c.host, alive(&h)?, &c.window, c.arg("doc")?, c.arg("pos")?)
+                    .await
+            }
+        });
+        let h = host.clone();
+        d.add("plugin_navigation_markers", move |c| {
+            let h = h.clone();
+            async move {
+                super::index_ops::plugin_navigation_markers(&c.host, alive(&h)?, &c.window, c.arg("paths")?).await
+            }
+        });
        d.add("plugin_line_markers", |c| async move {
            crate::ops::lsp::plugin_line_markers(&c.host, &c.window, c.arg("doc")?).await
        });
@@ -0,0 +1,131 @@
+use ide_lsp::types::SemanticTokens;
+use ide_plugin::SemanticToken;
+use std::collections::HashMap;
+
+pub(crate) fn merge(server: Option<SemanticTokens>, plugin: Vec<SemanticToken>) -> SemanticTokens {
+    let mut out = server.unwrap_or_else(|| SemanticTokens {
+        data: Vec::new(),
+        token_types: Vec::new(),
+        token_modifiers: Vec::new(),
+    });
+    let mut added: Vec<[u32; 5]> = Vec::with_capacity(plugin.len());
+    let mut lines: HashMap<u32, Vec<(u32, u32)>> = HashMap::new();
+    for token in plugin {
+        let (start, end) = (token.range.start, token.range.end);
+        if start.line != end.line || end.col <= start.col {
+            continue;
+        }
+        let kind = camel_case(&token.kind);
+        let kind = match out.token_types.iter().position(|t| *t == kind) {
+            Some(i) => i,
+            None => {
+                out.token_types.push(kind);
+                out.token_types.len() - 1
+            }
+        };
+        let mut bits = 0u32;
+        for modifier in &token.modifiers {
+            let modifier = camel_case(modifier);
+            let i = match out.token_modifiers.iter().position(|m| *m == modifier) {
+                Some(i) => i,
+                None if out.token_modifiers.len() < 32 => {
+                    out.token_modifiers.push(modifier);
+                    out.token_modifiers.len() - 1
+                }
+                None => continue,
+            };
+            bits |= 1 << i;
+        }
+        lines.entry(start.line).or_default().push((start.col, end.col));
+        added.push([start.line, start.col, end.col - start.col, kind as u32, bits]);
+    }
+    let covered = |t: &[u32; 5]| {
+        lines.get(&t[0]).is_some_and(|ranges| ranges.iter().any(|&(from, to)| t[1] < to && from < t[1] + t[2]))
+    };
+    let mut data: Vec<[u32; 5]> = out.data.as_chunks::<5>().0.iter().filter(|t| !covered(t)).copied().collect();
+    data.extend(added);
+    data.sort_by_key(|t| (t[0], t[1]));
+    out.data = data.into_iter().flatten().collect();
+    out
+}
+
+fn camel_case(name: &str) -> String {
+    let mut out = String::with_capacity(name.len());
+    let mut upper = false;
+    for c in name.chars() {
+        if c == '-' {
+            upper = true;
+        } else if upper {
+            out.extend(c.to_uppercase());
+            upper = false;
+        } else {
+            out.push(c);
+        }
+    }
+    out
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use ide_core::{Pos, Range};
+
+    fn token(line: u32, from: u32, to: u32, kind: &str, modifiers: &[&str]) -> SemanticToken {
+        SemanticToken {
+            range: Range::new(Pos::new(line, from), Pos::new(line, to)),
+            kind: kind.into(),
+            modifiers: modifiers.iter().map(|m| (*m).into()).collect(),
+        }
+    }
+
+    fn server() -> SemanticTokens {
+        SemanticTokens {
+            data: vec![0, 0, 6, 0, 0, 1, 4, 5, 1, 1, 1, 12, 3, 1, 0],
+            token_types: vec!["variable".into(), "property".into()],
+            token_modifiers: vec!["readonly".into()],
+        }
+    }
+
+    #[test]
+    fn plugin_tokens_replace_the_server_tokens_they_overlap() {
+        let merged = merge(Some(server()), vec![token(1, 6, 10, "method", &[])]);
+        assert_eq!(merged.token_types, ["variable", "property", "method"]);
+        assert_eq!(merged.data, [0, 0, 6, 0, 0, 1, 6, 4, 2, 0, 1, 12, 3, 1, 0]);
+    }
+
+    #[test]
+    fn kinds_and_modifiers_use_the_lsp_names() {
+        let merged = merge(None, vec![token(2, 0, 3, "type-parameter", &["default-library", "readonly"])]);
+        assert_eq!(merged.token_types, ["typeParameter"]);
+        assert_eq!(merged.token_modifiers, ["defaultLibrary", "readonly"]);
+        assert_eq!(merged.data, [2, 0, 3, 0, 0b11]);
+    }
+
+    #[test]
+    fn known_names_reuse_the_server_legend() {
+        let merged = merge(Some(server()), vec![token(3, 1, 2, "property", &["readonly"])]);
+        assert_eq!(merged.token_types.len(), 2);
+        assert_eq!(merged.token_modifiers.len(), 1);
+        assert_eq!(merged.data[15..], [3, 1, 1, 1, 1]);
+    }
+
+    #[test]
+    fn tokens_spanning_lines_or_empty_are_ignored() {
+        let multi = SemanticToken {
+            range: Range::new(Pos::new(0, 4), Pos::new(1, 2)),
+            kind: "method".into(),
+            modifiers: Vec::new(),
+        };
+        let merged = merge(Some(server()), vec![multi, token(0, 3, 3, "method", &[])]);
+        assert_eq!(merged.data, server().data);
+    }
+
+    #[test]
+    fn modifiers_past_thirty_two_are_dropped() {
+        let names: Vec<String> = (0..40).map(|i| format!("m{i}")).collect();
+        let refs: Vec<&str> = names.iter().map(String::as_str).collect();
+        let merged = merge(None, vec![token(0, 0, 1, "type", &refs)]);
+        assert_eq!(merged.token_modifiers.len(), 32);
+        assert_eq!(merged.data[4], u32::MAX);
+    }
+}
@@ -1,11 +1,22 @@
 //! UI-facing plugin types and the event stream.

 use super::theme::ThemeDef;
+use ide_extension::package::PluginIcon;
 use ide_extension::{CapabilityInfo, ContributionInfo, UiContribution};
-pub use ide_plugin::{ActionPerformed, ActionSource, EventKind, NotificationLevel, StatusItem, WorkbenchEvent};
+pub use ide_plugin::{
+    ActionPerformed, ActionSource, EventKind, NotificationLevel, PickItem, Prompt, StatusItem, WorkbenchEvent,
+};
 use serde::{Deserialize, Serialize};
 use specta::Type;

+/// A line a view's `process` body printed.
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct PluginOutputLine {
+    pub stderr: bool,
+    pub text: String,
+}
+
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
 pub enum PluginSource {
@@ -50,6 +61,7 @@ pub struct PluginInfo {
    pub authors: Vec<String>,
    pub homepage: Option<String>,
    pub change_notes: Option<String>,
+    pub icon: Option<PluginIcon>,
    pub source: PluginSource,
    /// Package directory.
    pub path: ide_core::IpcPath,
@@ -113,6 +125,7 @@ pub struct CatalogPlugin {
    pub authors: Vec<String>,
    pub homepage: Option<String>,
    pub change_notes: Option<String>,
+    pub icon: Option<PluginIcon>,
    /// Package directory; install with `install_from_dir(path)`.
    pub path: ide_core::IpcPath,
    pub has_code: bool,
@@ -153,6 +166,8 @@ pub struct PluginUpdate {
 pub enum PluginEvent {
    /// Plugins, their status or their contributions changed: re-fetch `plugin_list`.
    CommandsChanged,
+    /// Cached document associations were disposed (reload, disable or failure).
+    DocumentIndexesChanged,
    /// The marketplace offers newer versions of installed plugins (announced
    /// once per set of versions).
    UpdatesAvailable { updates: Vec<PluginUpdate> },
@@ -161,6 +176,10 @@ pub enum PluginEvent {
    /// A plugin's status bar item was set (`item`) or removed.
    #[serde(rename_all = "camelCase")]
    StatusItemChanged { plugin_id: String, id: String, item: Option<StatusItem> },
+    /// A plugin's context key was set (`value`: JSON text) or removed, in the
+    /// emitted window (every window when the client is `None`).
+    #[serde(rename_all = "camelCase")]
+    ContextChanged { plugin_id: String, key: String, value: Option<String> },
    /// A plugin began a task: show it with the background tasks.
    #[serde(rename_all = "camelCase")]
    TaskStarted { plugin_id: String, task_id: String, title: String, cancellable: bool },
@@ -203,6 +222,16 @@ pub enum PluginEvent {
    /// Open `url` (`http(s)://`) in the system browser.
    #[serde(rename_all = "camelCase")]
    OpenUrl { plugin_id: String, url: String },
+    /// A command waits for the user's answer: show `prompt`, then report it with
+    /// `plugin_answer_prompt(prompt_id, …)`.
+    #[serde(rename_all = "camelCase")]
+    PromptRequested { plugin_id: String, prompt_id: String, prompt: Prompt },
+    /// The call that asked gave up (cancelled, or its plugin stopped): close the prompt.
+    #[serde(rename_all = "camelCase")]
+    PromptClosed { prompt_id: String },
+    /// Bring the tool window of the plugin's view `view` to the front.
+    #[serde(rename_all = "camelCase")]
+    RevealView { plugin_id: String, view: String },
 }

 /// Delivers events to the UI. `client` is the window that invoked the plugin
@@ -249,6 +278,15 @@ pub struct PluginStatusItem {
    pub item: StatusItem,
 }

+/// A plugin's context key for `when` clauses (`value` is JSON text).
+#[derive(Clone, Debug, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct PluginContextKey {
+    pub plugin_id: String,
+    pub key: String,
+    pub value: String,
+}
+
 /// A gutter marker from a plugin's `line-markers` provider.
 #[derive(Clone, Debug, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
@@ -5,9 +5,10 @@
 //!
 //! ```toml
 //! [[contributes.menus]]
-//! menu = "editor.context"          # projectView.context, editorTab.context, tools
+//! menu = "editor.context"          # projectView.context, editorTab.context, tools, viewItem.context
 //! command = "check"
 //! when = "editorLang == java"
+//! # view = "<view id>"             # required for (only allowed on) viewItem.context
 //!
 //! [[contributes.keymaps]]
 //! command = "check"
@@ -25,7 +26,7 @@
 //! id = "jobs"
 //! title = "Jobs"
 //! icon = "server"
-//! location = "right"               # left, right, bottom
+//! location = "right"               # left, right, bottom, services (nodes of the Services tool window)
 //!
 //! [[contributes.customEditors]]
 //! id = "table"
@@ -54,6 +55,9 @@ use serde_json::Value;
 use std::collections::BTreeSet;
 use std::path::PathBuf;

+/// A view whose tree shows in the Services tool window; the plugin's
+/// `service-provider` renders the selected node's pane.
+pub const SERVICES_LOCATION: &str = "services";
 pub const MENUS: &str = "menus";
 pub const KEYMAPS: &str = "keymaps";
 pub const STATUS_BAR: &str = "statusBar";
@@ -63,7 +67,8 @@ pub const CUSTOM_EDITORS: &str = "customEditors";
 pub const FILE_ICONS: &str = "fileIcons";
 pub const FILE_TEMPLATES: &str = "fileTemplates";

-const MENU_IDS: [&str; 4] = ["editor.context", "projectView.context", "editorTab.context", "tools"];
+const VIEW_ITEM_MENU: &str = "viewItem.context";
+const MENU_IDS: [&str; 5] = ["editor.context", "projectView.context", "editorTab.context", "tools", VIEW_ITEM_MENU];
 const MAX_TITLE: usize = 256;
 const MAX_SETTINGS: usize = 200;
 const MAX_PATTERNS: usize = 16;
@@ -77,6 +82,10 @@ fn commands(pkg: &Package) -> BTreeSet<String> {
        .collect()
 }

+fn declared_view(pkg: &Package, id: &str) -> Option<toml::Value> {
+    pkg.manifest.declarations(VIEWS).into_iter().find(|d| d.get("id").and_then(|v| v.as_str()) == Some(id))
+}
+
 fn declared_command(pkg: &Package, point: &str, command: &str) -> Result<(), String> {
    if commands(pkg).contains(command) {
        Ok(())
@@ -103,6 +112,8 @@ struct MenuDecl {
    command: String,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    when: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    view: Option<String>,
 }

 pub(super) fn menu(pkg: &Package, decl: toml::Value) -> Result<UiDecl, String> {
@@ -114,7 +125,24 @@ pub(super) fn menu(pkg: &Package, decl: toml::Value) -> Result<UiDecl, String> {
    if let Some(w) = &d.when {
        validate_when(w).map_err(|e| format!("contributes.menus: {e}"))?;
    }
-    Ok(UiDecl::new(format!("{}/{}", d.menu, d.command), d.command.clone(), json(&d)?))
+    let key = match (d.menu == VIEW_ITEM_MENU, &d.view) {
+        (true, None) => return Err(format!("contributes.menus: {VIEW_ITEM_MENU} needs `view`")),
+        (true, Some(v)) => {
+            pkg.manifest.needs_api(&format!("contributes.menus: {VIEW_ITEM_MENU}"), 2)?;
+            let Some(view) = declared_view(pkg, v) else {
+                return Err(format!("contributes.menus: view {v:?} is not declared under [[contributes.views]]"));
+            };
+            if view.get("web").is_some() {
+                return Err(format!(
+                    "contributes.menus: view {v:?} is a web view (viewItem.context needs a tree or list the plugin renders)"
+                ));
+            }
+            format!("{VIEW_ITEM_MENU}/{v}/{}", d.command)
+        }
+        (false, Some(_)) => return Err(format!("contributes.menus: `view` is only for {VIEW_ITEM_MENU}")),
+        (false, None) => format!("{}/{}", d.menu, d.command),
+    };
+    Ok(UiDecl::new(key, d.command.clone(), json(&d)?))
 }

 #[derive(Debug, Deserialize, Serialize)]
@@ -370,8 +398,14 @@ pub(super) fn view(pkg: &Package, decl: toml::Value) -> Result<UiDecl, String> {
    validate_item_id(&d.id, "view id")?;
    title(VIEWS, &d.title)?;
    let files = web_or_code(pkg, d.web.as_deref(), &format!("view {:?}", d.id))?;
-    if !["left", "right", "bottom"].contains(&d.location.as_str()) {
-        return Err(format!("view {:?}: `location` is left, right or bottom", d.id));
+    if !["left", "right", "bottom", SERVICES_LOCATION].contains(&d.location.as_str()) {
+        return Err(format!("view {:?}: `location` is left, right, bottom or services", d.id));
+    }
+    if d.location == SERVICES_LOCATION {
+        pkg.manifest.needs_api(&format!("view {:?}: `location = \"services\"`", d.id), 3)?;
+        if d.web.is_some() {
+            return Err(format!("view {:?}: a services view is rendered by the plugin's code (no `web`)", d.id));
+        }
    }
    if d.icon.as_ref().is_some_and(|i| i.len() > 64) {
        return Err(format!("view {:?}: icon names are up to 64 bytes", d.id));
@@ -380,7 +414,7 @@ pub(super) fn view(pkg: &Package, decl: toml::Value) -> Result<UiDecl, String> {
    out.files = files;
    if let Some(icon) = d.icon.as_deref().filter(|i| i.ends_with(".svg")) {
        let path = std::path::PathBuf::from(icon);
-        let svg = super::icons::read_icon(pkg, &path)?;
+        let svg = super::icons::read_icon(pkg, &path, super::icons::MAX_SVG)?;
        out.assets.push((view_icon_asset(&d.id), svg));
        out.files.push(path);
    }
@@ -473,7 +507,7 @@ pub(super) fn file_icon(pkg: &Package, decl: toml::Value) -> Result<UiDecl, Stri
    let mut assets = Vec::new();
    for (path, dark) in [(Some(&d.icon), false), (d.icon_dark.as_ref(), true)] {
        let Some(path) = path else { continue };
-        let svg = super::icons::read_icon(pkg, path)?;
+        let svg = super::icons::read_icon(pkg, path, super::icons::MAX_SVG)?;
        assets.push((file_icon_asset(&d.id, dark), svg));
        files.push(path.clone());
    }
@@ -1,10 +1,11 @@
 //! Declarative views and custom editors as the
-//! window commands `plugin_view_render` / `plugin_view_event` serve them —
+//! window commands `plugin_view_render` / `plugin_view_event` (and, for services views,
+//! `plugin_service_detail` / `plugin_service_log`) serve them —
 //! the desktop for local projects, `openidea-server` for remote ones.

-use super::{PluginEditor, PluginHost};
+use super::{PluginEditor, PluginHost, PluginOutputLine};
 use ide_core::{DocId, IdeError, IdeResult};
-use ide_plugin::{EditorContext, Invocation, View, ViewEvent, Viewport};
+use ide_plugin::{EditorContext, Invocation, ServiceTab, View, ViewEvent, Viewport};
 use std::sync::Arc;

 /// The window's project, plus the editor the call is about: the document a
@@ -25,7 +26,12 @@ pub fn view_invocation(
            Some(EditorContext { path: info.path.0, language: info.language.0, selections: Vec::new() })
        }
    };
-    Ok(Invocation { client: Some(window.to_owned()), workspace_root: project.as_ref().map(|p| p.root.clone()), editor })
+    Ok(Invocation {
+        client: Some(window.to_owned()),
+        workspace_root: project.as_ref().map(|p| p.root.clone()),
+        editor,
+        ..Invocation::default()
+    })
 }

 async fn blocking<T: Send + 'static>(f: impl FnOnce() -> IdeResult<T> + Send + 'static) -> IdeResult<T> {
@@ -62,6 +68,47 @@ pub async fn event(
    blocking(move || plugins.view_event(&plugin_id, &view, event, invocation)).await
 }

+/// The Services pane of node `key` of a plugin's services view.
+pub async fn service_detail(
+    host: &crate::Host,
+    plugins: Arc<PluginHost>,
+    window: &str,
+    plugin_id: String,
+    view: String,
+    key: String,
+) -> IdeResult<Vec<ServiceTab>> {
+    let invocation = view_invocation(host, window, None, None)?;
+    blocking(move || plugins.service_detail(&plugin_id, &view, &key, invocation)).await
+}
+
+/// Runs the program of the log tab `tab` of node `key`'s pane in the window's
+/// project root, streaming its lines until it exits or request `request` is
+/// cancelled; returns its exit code.
+#[allow(clippy::too_many_arguments)]
+pub async fn service_log(
+    host: &crate::Host,
+    plugins: Arc<PluginHost>,
+    window: &str,
+    plugin_id: String,
+    view: String,
+    key: String,
+    tab: String,
+    on: Vec<String>,
+    request: ide_core::RequestId,
+    on_line: crate::ops::Channel<PluginOutputLine>,
+) -> IdeResult<Option<i32>> {
+    let invocation = view_invocation(host, window, None, None)?;
+    let cancel = host.begin_project_read_request(window, request);
+    let result = blocking(move || {
+        plugins.stream_service_log(&plugin_id, &view, &key, &tab, &on, invocation, &cancel, &|line| {
+            let _ = on_line.send(line);
+        })
+    })
+    .await;
+    host.end_request(request);
+    result
+}
+
 #[cfg(test)]
 mod tests {
    use super::*;
@@ -526,6 +526,7 @@ impl Host {
            }));
        }
        self.insert_project(window, project.clone());
+        project.lsp.prewarm_java_configuration();
        if let Some(bridge) = &project.kotlin_bridge {
            bridge.start(&self.runtime);
        }
@@ -74,6 +74,21 @@ impl TrustStore {
        Ok(())
    }

+    pub fn add_location(&self, path: &Path) -> IdeResult<()> {
+        let root = dunce::canonicalize(path)?;
+        if !root.is_dir() {
+            return Err(IdeError::invalid("trusted location must be an existing directory"));
+        }
+        let mut state = self.state.lock();
+        let mut next = state.clone()?;
+        if !next.locations.contains(&root) {
+            next.locations.push(root);
+            persist(&self.file, &next)?;
+            *state = Ok(next);
+        }
+        Ok(())
+    }
+
    pub fn remove_location(&self, path: &Path) -> IdeResult<()> {
        let mut state = self.state.lock();
        let mut next = state.clone()?;
@@ -121,6 +136,7 @@ impl crate::Host {
                    self.environment.spawn_post_start(cmd, project.root.clone(), project.sink.clone());
                }
                project.lsp.set_execution_allowed(true);
+                project.lsp.prewarm_java_configuration();
            } else {
                self.environment.project_closed();
                project.agents.shutdown();
@@ -268,6 +284,7 @@ pub fn restricted_command_allowed(cmd: &str) -> bool {
            | "agent_commands"
            | "agent_unqueue"
            | "agent_cancel"
+            | "agent_stop_background"
            | "agent_archive"
            | "agent_unarchive"
            | "agent_registry_list"
@@ -340,6 +357,7 @@ pub fn restricted_command_allowed(cmd: &str) -> bool {
            | "vcs_diff_revisions"
            | "vcs_diff_numstat"
            | "vcs_merge_base"
+            | "vcs_has_hook"
            | "vcs_shelves"
            | "vcs_shelf_patch"
            | "vcs_changelists_load"
@@ -1,7 +1,7 @@
 //! Versioned installs with automatic rollback, signed packages from
 //! a static marketplace index, and revocation.

-use ide_extension::package::{self, Index, IndexEntry, KeyEntry, Publisher, PublisherKey, Revocation};
+use ide_extension::package::{self, Index, IndexEntry, KeyEntry, PluginIcon, Publisher, PublisherKey, Revocation};
 use ide_host::plugins::*;
 use ide_plugin::{Invocation, Limits};
 use parking_lot::Mutex;
@@ -58,7 +58,7 @@ fn fixture() -> Fixture {
 }

 fn inv() -> Invocation {
-    Invocation { client: Some("main".into()), workspace_root: None, editor: None }
+    Invocation { client: Some("main".into()), workspace_root: None, editor: None, selected_paths: Vec::new() }
 }

 fn misbehave() -> PathBuf {
@@ -169,6 +169,7 @@ fn signed(
        capabilities: vec![],
        engine: "^1.0".into(),
        categories: vec!["tools".into()],
+        icon: None,
    };
    (out, entry)
 }
@@ -509,3 +510,25 @@ fn official_plugins_need_the_key_this_ide_was_built_with() {
    let dir = f.host.download_market_plugin("openidea.hello").unwrap();
    assert_eq!(f.host.preview_install(&dir).unwrap().publisher.as_deref(), Some(OFFICIAL_PUBLISHER));
 }
+
+#[test]
+fn marketplace_icons_are_sanitised_or_dropped() {
+    let f = fixture();
+    let market = f.work.join("market");
+    std::fs::create_dir_all(&market).unwrap();
+    let key = PublisherKey::from_seed([3; 32]);
+    let (_, entry) = signed_hello(&market, "1.0.0", &key, &f.host);
+    let icon = |light: &str| Some(PluginIcon { light: light.into(), dark: None });
+    let good =
+        IndexEntry { icon: icon(r#"<svg viewBox="0 0 16 16"><rect width="16" height="16"/></svg>"#), ..entry.clone() };
+    let hostile = IndexEntry { id: "acme.hostile".into(), icon: icon(r#"<svg onload="x()"><rect/></svg>"#), ..entry };
+    let padded = format!("<svg viewBox=\"0 0 16 16\"><!--{}--><rect/></svg>", " ".repeat(20 << 10));
+    let padded = IndexEntry { id: "acme.padded".into(), icon: icon(&padded), ..hostile.clone() };
+    f.host.set_market_url(Some(write_index(&market, &key, vec![good, hostile, padded], vec![], false)));
+
+    let listed = f.host.refresh_market().unwrap();
+    let by_id = |id: &str| listed.iter().find(|p| p.entry.id == id).unwrap_or_else(|| panic!("{id} not listed"));
+    assert!(by_id("acme.hello").entry.icon.as_ref().unwrap().light.contains("<rect"));
+    assert!(by_id("acme.hostile").entry.icon.is_none(), "an unsafe icon is dropped, the entry stays");
+    assert!(by_id("acme.padded").entry.icon.is_none(), "an icon over 16 KiB is dropped before it is sanitised");
+}
@@ -0,0 +1,122 @@
+//! Docker run targets through `ops::run::start`, with a stand-in `docker`
+//! (`OPENIDEA_DOCKER`) that prints what it was given.
+#![cfg(unix)]
+
+use ide_core::NullSink;
+use ide_host::{Host, HostConfig, ops};
+use ide_run::{OutputChunk, RunConfig};
+use parking_lot::Mutex;
+use std::collections::BTreeMap;
+use std::os::unix::fs::PermissionsExt;
+use std::path::Path;
+use std::sync::Arc;
+use std::time::Duration;
+
+fn host(base: &Path) -> Arc<Host> {
+    Arc::new(Host::new(HostConfig {
+        config_dir: base.join("config"),
+        data_dir: base.join("data"),
+        local_data_dir: base.join("data"),
+        languages: Arc::new(ide_language::LanguageRegistry::load(None).unwrap()),
+        syntax: Arc::default(),
+        sink_for: Box::new(|_| Arc::new(NullSink)),
+        owner: |w| w,
+        runtime: tokio::runtime::Handle::current(),
+        project_environment: false,
+    }))
+}
+
+fn config(target: &str, root: &Path) -> RunConfig {
+    RunConfig {
+        id: "app".into(),
+        name: "app".into(),
+        kind: "python".into(),
+        command: root.join(".venv/bin/python").to_string_lossy().into_owned(),
+        args: vec![root.join("main.py").to_string_lossy().into_owned()],
+        cwd: None,
+        env: BTreeMap::from([("DATA".to_owned(), root.join("data").to_string_lossy().into_owned())]),
+        detected: false,
+        is_test: false,
+        debug_adapter: None,
+        allow_parallel: false,
+        extras: ide_run::RunExtras { target: Some(target.into()), ..Default::default() },
+    }
+}
+
+async fn output_of(host: &Host, config: RunConfig) -> String {
+    let out = Arc::new(Mutex::new(String::new()));
+    let sink = out.clone();
+    ops::run::start(
+        host,
+        "main",
+        config,
+        Arc::new(move |chunk| match chunk {
+            OutputChunk::Stdout { text } | OutputChunk::Stderr { text } | OutputChunk::System { text } => {
+                sink.lock().push_str(&text)
+            }
+        }),
+    )
+    .await
+    .unwrap();
+    for _ in 0..200 {
+        if out.lock().contains("Process finished") {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(25)).await;
+    }
+    out.lock().clone()
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn docker_targets_run_through_the_docker_cli() {
+    let tmp = tempfile::tempdir().unwrap();
+    let base = dunce::canonicalize(tmp.path()).unwrap();
+    let docker = base.join("docker");
+    std::fs::write(
+        &docker,
+        "#!/bin/sh\nif [ \"$1\" = context ]; then echo unix:///var/run/docker.sock; exit 0; fi\n\
+         for a in \"$@\"; do echo \"arg:$a\"; done\necho \"DATA=$DATA\"\n",
+    )
+    .unwrap();
+    std::fs::set_permissions(&docker, std::fs::Permissions::from_mode(0o755)).unwrap();
+    // SAFETY: the only test of this binary, before any thread looks docker up.
+    unsafe {
+        std::env::set_var("OPENIDEA_DOCKER", &docker);
+        std::env::remove_var("DOCKER_HOST");
+    }
+
+    let root = base.join("proj");
+    std::fs::create_dir_all(&root).unwrap();
+    let host = host(&base.join("app"));
+    std::fs::create_dir_all(&host.data_dir).unwrap();
+    std::fs::write(
+        host.data_dir.join("docker.json"),
+        r#"{"connections": [{"id": "far", "name": "Build box", "endpoint": {"kind": "tcp", "host": "build:2376"}}]}"#,
+    )
+    .unwrap();
+    host.trust.decide(&root, true, false).unwrap();
+    host.open_project("main", &root).unwrap();
+    let targets = serde_json::json!([
+        { "kind": "docker", "id": "py", "name": "Python", "image": "python:3.12" },
+        { "kind": "docker", "id": "far", "name": "Far", "image": "python:3.12", "dockerConnection": "far" },
+    ]);
+    ops::project::set_settings(
+        &host,
+        "main",
+        ide_workspace::settings::SettingsScope::Project,
+        "runTargets",
+        &targets.to_string(),
+    )
+    .unwrap();
+
+    let out = output_of(&host, config("py", &root)).await;
+    let args: Vec<&str> = out.lines().filter_map(|l| l.strip_prefix("arg:")).collect();
+    assert_eq!(&args[..4], ["run", "--rm", "--interactive", "--init"], "{out}");
+    assert!(args.contains(&format!("{}:/workspaces/proj", root.display()).as_str()), "{out}");
+    assert!(args.ends_with(&["python:3.12", "python3", "/workspaces/proj/main.py"]), "{out}");
+    assert!(out.contains("DATA=/workspaces/proj/data"), "{out}");
+    assert!(!args.iter().any(|a| a.contains("/workspaces/proj/data")), "values stay out of the command line");
+
+    let err = ops::run::start(&host, "main", config("far", &root), Arc::new(|_| {})).await.unwrap_err();
+    assert!(err.message.contains("another machine"), "{}", err.message);
+}
@@ -0,0 +1,159 @@
+//! Docker and Compose run targets against a real daemon. Ignored by default:
+//! `OPENIDEA_DOCKER_TEST_DIR` names an empty folder the daemon can bind-mount
+//! (on this machine, or at the same path in a VM such as OrbStack's), and
+//! `docker` with the Compose plugin must be on `PATH`.
+#![cfg(unix)]
+
+use ide_core::NullSink;
+use ide_host::{Host, HostConfig, ops};
+use ide_run::{OutputChunk, RunConfig};
+use parking_lot::Mutex;
+use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
+use std::process::Command;
+use std::sync::Arc;
+use std::time::Duration;
+
+fn host(base: &Path) -> Arc<Host> {
+    Arc::new(Host::new(HostConfig {
+        config_dir: base.join("config"),
+        data_dir: base.join("data"),
+        local_data_dir: base.join("data"),
+        languages: Arc::new(ide_language::LanguageRegistry::load(None).unwrap()),
+        syntax: Arc::default(),
+        sink_for: Box::new(|_| Arc::new(NullSink)),
+        owner: |w| w,
+        runtime: tokio::runtime::Handle::current(),
+        project_environment: false,
+    }))
+}
+
+fn config(id: &str, target: &str, root: &Path, args: &[&str]) -> RunConfig {
+    RunConfig {
+        id: id.into(),
+        name: id.into(),
+        kind: "python".into(),
+        command: root.join(".venv/bin/python").to_string_lossy().into_owned(),
+        args: args.iter().map(|a| a.to_string()).collect(),
+        cwd: None,
+        env: BTreeMap::from([("GREETING".to_owned(), "hello".to_owned())]),
+        detected: false,
+        is_test: false,
+        debug_adapter: None,
+        allow_parallel: false,
+        extras: ide_run::RunExtras { target: Some(target.into()), ..Default::default() },
+    }
+}
+
+type Output = Arc<Mutex<String>>;
+
+async fn start(host: &Host, config: RunConfig) -> (ide_core::RunId, Output) {
+    let out: Output = Arc::default();
+    let sink = out.clone();
+    let info = ops::run::start(
+        host,
+        "main",
+        config,
+        Arc::new(move |chunk| match chunk {
+            OutputChunk::Stdout { text } | OutputChunk::Stderr { text } | OutputChunk::System { text } => {
+                sink.lock().push_str(&text)
+            }
+        }),
+    )
+    .await
+    .unwrap();
+    (info.id, out)
+}
+
+async fn finished(out: &Output, secs: u64) -> String {
+    for _ in 0..secs * 10 {
+        if out.lock().contains("Process finished") {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(100)).await;
+    }
+    out.lock().clone()
+}
+
+fn containers(label: &str) -> String {
+    let out = Command::new("docker").args(["ps", "--all", "--quiet", "--filter", label]).output().unwrap();
+    String::from_utf8_lossy(&out.stdout).trim().to_owned()
+}
+
+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+#[ignore = "requires a Docker daemon and OPENIDEA_DOCKER_TEST_DIR"]
+async fn runs_in_docker_and_compose_containers() {
+    let root = PathBuf::from(std::env::var("OPENIDEA_DOCKER_TEST_DIR").expect("OPENIDEA_DOCKER_TEST_DIR"));
+    let root = dunce::canonicalize(root).unwrap();
+    let name = root.file_name().unwrap().to_string_lossy().into_owned();
+    std::fs::write(
+        root.join("main.py"),
+        "import os\nprint('cwd=' + os.getcwd())\nprint('GREETING=' + os.environ['GREETING'])\n\
+         open('out.txt', 'w').write('ok')\n",
+    )
+    .unwrap();
+    std::fs::write(
+        root.join("compose.yaml"),
+        "services:\n  app:\n    image: python:3.12-alpine\n    volumes:\n      - .:/app\n",
+    )
+    .unwrap();
+    let state = tempfile::tempdir().unwrap();
+    let host = host(state.path());
+    host.trust.decide(&root, true, false).unwrap();
+    host.open_project("main", &root).unwrap();
+    let targets = serde_json::json!([
+        { "kind": "docker", "id": "py", "name": "Python", "image": "python:3.12-alpine" },
+        { "kind": "compose", "id": "app", "name": "Compose", "service": "app" },
+    ]);
+    ops::project::set_settings(
+        &host,
+        "main",
+        ide_workspace::settings::SettingsScope::Project,
+        "runTargets",
+        &targets.to_string(),
+    )
+    .unwrap();
+
+    let (_, out) = start(&host, config("docker-main", "py", &root, &[&root.join("main.py").to_string_lossy()])).await;
+    let out = finished(&out, 120).await;
+    assert!(out.contains(&format!("cwd=/workspaces/{name}")), "{out}");
+    assert!(out.contains("GREETING=hello") && out.contains("exit code 0"), "{out}");
+    let written = root.join("out.txt");
+    assert_eq!(std::fs::read_to_string(&written).unwrap(), "ok");
+    #[cfg(target_os = "linux")]
+    {
+        use std::os::unix::fs::MetadataExt;
+        let (file, folder) = (std::fs::metadata(&written).unwrap(), std::fs::metadata(&root).unwrap());
+        assert_eq!((file.uid(), file.gid()), (folder.uid(), folder.gid()), "written as the folder's owner");
+    }
+    std::fs::remove_file(&written).unwrap();
+    assert_eq!(containers("label=openidea.run=docker-main"), "", "removed when the run ends");
+
+    let (_, out) = start(&host, config("compose-main", "app", &root, &["main.py"])).await;
+    let out = finished(&out, 120).await;
+    assert!(out.contains("cwd=/app") && out.contains("GREETING=hello") && out.contains("exit code 0"), "{out}");
+    std::fs::remove_file(&written).unwrap();
+
+    // Stop: `docker stop` ends the container; `--rm` removes it.
+    let (id, out) =
+        start(&host, config("sleep", "py", &root, &["-c", "print('up', flush=True); import time; time.sleep(600)"]))
+            .await;
+    for _ in 0..600 {
+        if out.lock().contains("up\n") {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(100)).await;
+    }
+    assert_ne!(containers("label=openidea.run=sleep"), "", "{}", out.lock());
+    ops::run::stop(&host, "main", id).unwrap();
+    let out = finished(&out, 30).await;
+    assert!(out.contains(" stop openidea-sleep-"), "{out}");
+    for _ in 0..100 {
+        if containers("label=openidea.run=sleep").is_empty() {
+            break;
+        }
+        tokio::time::sleep(Duration::from_millis(100)).await;
+    }
+    assert_eq!(containers("label=openidea.run=sleep"), "", "{out}");
+    Command::new("docker").args(["compose", "down"]).current_dir(&root).status().unwrap();
+}
@@ -303,7 +303,18 @@ impl Smoke {
        let (doc, pos) = self.locate(of).await;
        let want: BTreeSet<String> = files.iter().map(|f| f.to_string()).collect();
        self.retry("find usages", self.warm_up, || async {
-            let found = ops::lsp::lsp_references(&self.host, WINDOW, RequestId(1), doc, pos, true, true).await;
+            let found = ops::lsp::lsp_references(
+                &self.host,
+                WINDOW,
+                RequestId(1),
+                doc,
+                pos,
+                true,
+                true,
+                false,
+                ops::Channel::new(|_| {}),
+            )
+            .await;
            match &found {
                Ok(r) if want.is_subset(&self.files(r.locations.iter().map(|l| l.path.clone()))) => Ok(()),
                _ => Err(found.map(|r| self.files(r.locations.into_iter().map(|l| l.path)))),
@@ -160,7 +160,7 @@ async fn light_notebooks_open_without_interpreter_detection_or_execution() {
    assert!(ops::notebook::save(&host, "main", notebook.id.clone()).await.is_ok());
    let error = ops::sdk::sdk_detect(&host, "main", ide_sdk::SdkKind::Python).await.unwrap_err();
    assert!(error.message.contains("Restricted Mode"));
-    assert!(ops::sdk::sdk_python_effective(&host, "main").is_err());
+    assert!(ops::sdk::sdk_python_effective(&host, "main", None).is_err());
    assert!(ops::sdk::sdk_locate_tools(&host, "main", vec!["prettier".into()], Some(root)).await.is_err());
    let error = ops::notebook::restart(&host, "main", notebook.id.clone()).await.unwrap_err();
    assert!(error.message.contains("Restricted Mode"));
@@ -0,0 +1,241 @@
+//! Generic document-indexer contract through a minimal real WASM fixture.
+use ide_core::{Pos, Range, SymbolKind};
+use ide_host::plugins::navigation::Snapshot;
+use ide_host::plugins::{Consent, PluginHost};
+use ide_language::SymbolTag;
+use ide_plugin::{Invocation, Limits};
+use std::{
+    path::{Path, PathBuf},
+    sync::Arc,
+};
+
+struct Fixture {
+    _tmp: tempfile::TempDir,
+    root: PathBuf,
+    host: PluginHost,
+}
+impl Fixture {
+    fn new() -> Self {
+        let tmp = tempfile::tempdir().unwrap();
+        let root = tmp.path().canonicalize().unwrap();
+        let host = PluginHost::new(root.join("plugins"), Arc::new(|_: Option<&str>, _| {}), Limits::default()).unwrap();
+        host.set_project_policy(Arc::new(|_| true));
+        host.install_from_dir(
+            &Path::new(env!("CARGO_MANIFEST_DIR")).join("../ide-plugin/tests/fixtures/indexer"),
+            &Consent::all(),
+        )
+        .unwrap();
+        Self { _tmp: tmp, root, host }
+    }
+    fn index(&self, path: &str, text: &str, symbols: &[SymbolTag], version: Option<u32>, scope: &str) -> PathBuf {
+        let path = self.root.join(path);
+        std::fs::create_dir_all(path.parent().unwrap()).unwrap();
+        std::fs::write(&path, text).unwrap();
+        self.host
+            .index_navigation(
+                &self.root,
+                Snapshot { path: &path, version, text, symbols, scope },
+                Invocation { workspace_root: Some(self.root.clone()), ..Default::default() },
+            )
+            .unwrap();
+        path
+    }
+}
+fn method() -> SymbolTag {
+    SymbolTag {
+        name: "item".into(),
+        kind: SymbolKind::Method,
+        container: None,
+        range: Range::new(Pos::new(0, 4), Pos::new(0, 8)),
+    }
+}
+const SOURCE: &str = "def source:item\nref mapping:item\n";
+const MAPPING: &str = "def mapping:item\nref source:item\n";
+fn reference_pos() -> Pos {
+    Pos::new(1, 5)
+}
+
+#[test]
+fn bidirectional_navigation_versions_and_incremental_deletion() {
+    let f = Fixture::new();
+    let source = f.index("src/source.idx", SOURCE, &[method()], Some(1), "app");
+    let mapping = f.index("resources/mapping.idx", MAPPING, &[], Some(1), "app");
+    let result = f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).unwrap();
+    assert_eq!(result.targets[0].path.0, source);
+    assert_eq!(result.range.end.col - result.range.start.col, 11);
+    let reverse = f.host.navigation_at(&f.root, &source, 1, reference_pos(), None, |_| None).unwrap();
+    assert_eq!(reverse.targets[0].path.0, mapping);
+    assert!(f.host.navigation_at(&f.root, &mapping, 2, reference_pos(), None, |_| None).is_none());
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| Some(2)).is_none());
+    f.host.invalidate_navigation(&f.root, Some(&[source]));
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).is_none());
+}
+
+#[test]
+fn module_candidates_reload_disable_and_project_isolation() {
+    let f = Fixture::new();
+    let first = f.index("a/source.idx", SOURCE, &[method()], Some(1), "a");
+    f.index("b/source.idx", SOURCE, &[method()], Some(1), "b");
+    let mapping = f.index("a/mapping.idx", MAPPING, &[], Some(1), "a");
+    let result = f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).unwrap();
+    assert_eq!(result.targets.len(), 1);
+    assert_eq!(result.targets[0].path.0, first);
+    let other = f.index("c/mapping.idx", MAPPING, &[], Some(1), "c");
+    assert_eq!(f.host.navigation_at(&f.root, &other, 1, reference_pos(), None, |_| None).unwrap().targets.len(), 2);
+    assert!(
+        f.host.navigation_at(&f.root.join("other-project"), &mapping, 1, reference_pos(), None, |_| None).is_none()
+    );
+    f.host.set_enabled("test.indexer", false).unwrap();
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).is_none());
+    f.host.set_enabled("test.indexer", true).unwrap();
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).is_none());
+    f.host.reload("test.indexer").unwrap();
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).is_none());
+}
+
+#[test]
+fn warmed_clicks_never_read_or_parse_files() {
+    let f = Fixture::new();
+    let source = f.index("source.idx", SOURCE, &[method()], Some(1), "");
+    let mapping = f.index("mapping.idx", MAPPING, &[], Some(1), "");
+    // Files become unreadable; the watcher invalidates separately. Resolution
+    // must remain purely in-memory, with no disk reads or component execution.
+    std::fs::remove_file(&source).unwrap();
+    std::fs::remove_file(&mapping).unwrap();
+    let calls = f.host.info_of("test.indexer").unwrap().stats.calls;
+    for _ in 0..10_000 {
+        assert_eq!(
+            f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).unwrap().targets.len(),
+            1
+        );
+    }
+    assert_eq!(f.host.info_of("test.indexer").unwrap().stats.calls, calls, "warm navigation must not execute Wasm");
+    f.host.invalidate_navigation(&f.root, None);
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), None, |_| None).is_none());
+}
+
+#[test]
+fn permissions_and_paths_are_checked_before_indexing() {
+    let f = Fixture::new();
+    let external = tempfile::NamedTempFile::new().unwrap();
+    assert!(
+        f.host
+            .index_navigation(
+                &f.root,
+                Snapshot { path: external.path(), version: None, text: "", symbols: &[], scope: "" },
+                Invocation::default()
+            )
+            .is_err()
+    );
+    f.host.set_project_policy(Arc::new(|_| false));
+    assert!(f.host.navigation_extensions(&f.root).is_empty());
+    assert!(
+        f.host
+            .index_navigation(
+                &f.root,
+                Snapshot { path: &f.root.join("x.idx"), version: None, text: MAPPING, symbols: &[], scope: "" },
+                Invocation::default()
+            )
+            .is_err()
+    );
+}
+
+#[test]
+fn syntax_symbols_aliases_and_utf16_ranges_cross_the_wasm_boundary() {
+    let f = Fixture::new();
+    let symbol = method();
+    let definition = f.index("source.idx", "def item\nsymbols parent#\n", &[symbol], Some(1), "app");
+    f.index("child.idx", "alias child# parent#\n", &[], Some(1), "app");
+    let mapping = f.index("mapping.idx", "ref child#item\n", &[], Some(1), "app");
+    let result = f.host.navigation_at(&f.root, &mapping, 1, Pos::new(0, 6), None, |_| None).unwrap();
+    assert_eq!(result.targets[0].path.0, definition);
+    assert_eq!(result.targets[0].range, method().range);
+    f.index("unicode.idx", "def 😀\n", &[], Some(1), "app");
+    let unicode = f.index("unicode-ref.idx", "ref 😀\n", &[], Some(1), "app");
+    let result = f.host.navigation_at(&f.root, &unicode, 1, Pos::new(0, 5), None, |_| None).unwrap();
+    assert_eq!(result.range, Range::new(Pos::new(0, 4), Pos::new(0, 6)));
+}
+
+#[test]
+fn two_windows_of_same_root_keep_unsaved_snapshots_isolated() {
+    let f = Fixture::new();
+    let source = f.index("source.idx", SOURCE, &[method()], Some(1), "");
+    let mapping = f.index("mapping.idx", MAPPING, &[], Some(1), "");
+    for client in ["one", "two"] {
+        let mut symbol = method();
+        if client == "two" {
+            symbol.range = Range::new(Pos::new(0, 5), Pos::new(0, 9));
+        }
+        for (path, text, symbols) in [(&source, "symbols source:\n", vec![symbol]), (&mapping, MAPPING, vec![])] {
+            f.host
+                .index_navigation(
+                    &f.root,
+                    Snapshot { path, version: Some(1), text, symbols: &symbols, scope: "" },
+                    Invocation {
+                        client: Some(client.into()),
+                        workspace_root: Some(f.root.clone()),
+                        editor: None,
+                        selected_paths: Vec::new(),
+                    },
+                )
+                .unwrap();
+        }
+    }
+    assert_eq!(
+        f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), Some("one"), |_| None).unwrap().targets[0]
+            .range
+            .start
+            .col,
+        4
+    );
+    assert_eq!(
+        f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), Some("two"), |_| None).unwrap().targets[0]
+            .range
+            .start
+            .col,
+        5
+    );
+    f.host.invalidate_client_navigation(&f.root, Some("one"), None);
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), Some("one"), |_| None).is_none());
+    assert!(f.host.navigation_at(&f.root, &mapping, 1, reference_pos(), Some("two"), |_| None).is_some());
+}
+
+#[test]
+fn markers_and_disable_follow_graph_state() {
+    let f = Fixture::new();
+    let tags = vec![];
+    let source = f.index("source.idx", SOURCE, &tags, Some(1), "app");
+    assert!(f.host.navigation_markers(&f.root, std::slice::from_ref(&source), None, |_| None).is_empty());
+    let mapping = f.index("mapping.idx", MAPPING, &[], Some(1), "app");
+    let entries = f.host.navigation_markers(&f.root, &[source.clone(), mapping.clone()], None, |_| None);
+    let source_markers = entries.iter().find(|e| e.path == source).unwrap();
+    assert_eq!(source_markers.markers.len(), 1);
+    assert_eq!(source_markers.markers[0].targets[0].path.0, mapping);
+    let mapping_markers = entries.iter().find(|e| e.path == mapping).unwrap();
+    assert_eq!(mapping_markers.markers.len(), 1);
+    assert_eq!(mapping_markers.markers[0].targets[0].path.0, source);
+    assert!(f.host.navigation_markers(&f.root, std::slice::from_ref(&source), None, |_| Some(2)).is_empty());
+    f.host.invalidate_navigation(&f.root, Some(&[mapping]));
+    assert!(f.host.navigation_markers(&f.root, std::slice::from_ref(&source), None, |_| None).is_empty());
+    f.host.set_enabled("test.indexer", false).unwrap();
+    assert!(f.host.navigation_markers(&f.root, &[source], None, |_| None).is_empty());
+}
+
+#[test]
+fn invalid_ranges_and_oversized_documents_never_publish() {
+    let f = Fixture::new();
+    let path = f.root.join("invalid.idx");
+    std::fs::write(&path, "invalid key\n").unwrap();
+    for text in ["invalid key\n".to_owned(), "x".repeat(ide_host::plugins::navigation::MAX_DOCUMENT_BYTES + 1)] {
+        assert!(
+            f.host
+                .index_navigation(
+                    &f.root,
+                    Snapshot { path: &path, version: Some(1), text: &text, symbols: &[], scope: "" },
+                    Invocation { workspace_root: Some(f.root.clone()), ..Default::default() },
+                )
+                .is_err()
+        );
+    }
+    assert!(f.host.navigation_markers(&f.root, &[path], None, |_| None).is_empty());
+}
@@ -0,0 +1,56 @@
+use ide_host::plugins::{Consent, PluginHost};
+use ide_plugin::{Limits, ProviderDocument};
+use std::path::{Path, PathBuf};
+use std::sync::Arc;
+use std::time::Duration;
+
+fn fixture_dir() -> PathBuf {
+    Path::new(env!("CARGO_MANIFEST_DIR")).join("../ide-plugin/tests/fixtures/semantic-tokens")
+}
+
+fn host(dir: &Path) -> PluginHost {
+    let limits = Limits { edit_soft: Duration::from_secs(5), edit_hard: Duration::from_secs(10), ..Limits::default() };
+    PluginHost::new(dir.join("plugins"), Arc::new(|_: Option<&str>, _| {}), limits).unwrap()
+}
+
+fn doc(dir: &Path, language: &str, text: &str) -> ProviderDocument {
+    ProviderDocument { path: dir.join("Order.php"), language: language.into(), version: 1, text: text.into() }
+}
+
+const ORDER: &str =
+    "<?php\nclass Order\n{\n    public function user() {}\n}\n$order->user;\n$order->total;\n$order->user();\n";
+
+#[test]
+fn relation_accesses_and_columns_get_their_own_kinds() {
+    let tmp = tempfile::tempdir().unwrap();
+    let host = host(tmp.path());
+    host.install_from_dir(&fixture_dir(), &Consent::all()).unwrap();
+    let tokens = host.provide_semantic_tokens(&doc(tmp.path(), "php", ORDER));
+    let found: Vec<_> = tokens
+        .iter()
+        .map(|t| (t.range.start.line, t.range.start.col, t.range.end.line, t.range.end.col, t.kind.as_str()))
+        .collect();
+    assert_eq!(found, [(5, 8, 5, 12, "method"), (6, 8, 6, 13, "property")]);
+    assert!(tokens.iter().all(|t| t.modifiers.is_empty()));
+}
+
+#[test]
+fn only_declared_languages_are_asked() {
+    let tmp = tempfile::tempdir().unwrap();
+    let host = host(tmp.path());
+    host.install_from_dir(&fixture_dir(), &Consent::all()).unwrap();
+    assert!(host.provide_semantic_tokens(&doc(tmp.path(), "javascript", "a->b")).is_empty());
+}
+
+#[test]
+fn the_kind_needs_plugin_api_1_3() {
+    let tmp = tempfile::tempdir().unwrap();
+    let host = host(tmp.path());
+    let pkg = tmp.path().join("old");
+    std::fs::create_dir_all(pkg.join("dist")).unwrap();
+    std::fs::copy(fixture_dir().join("dist/plugin.wasm"), pkg.join("dist/plugin.wasm")).unwrap();
+    let manifest = std::fs::read_to_string(fixture_dir().join("plugin.toml")).unwrap();
+    std::fs::write(pkg.join("plugin.toml"), manifest.replace("\"^1.3\"", "\"^1.0\"")).unwrap();
+    let err = host.install_from_dir(&pkg, &Consent::all()).unwrap_err();
+    assert!(err.message.contains("new in plugin API 1.3"), "{}", err.message);
+}
@@ -231,7 +231,12 @@ fn fixture(limits: Limits) -> Fixture {

 impl Fixture {
    fn inv(&self) -> Invocation {
-        Invocation { client: Some("main".into()), workspace_root: Some(self.project.clone()), editor: None }
+        Invocation {
+            client: Some("main".into()),
+            workspace_root: Some(self.project.clone()),
+            editor: None,
+            selected_paths: Vec::new(),
+        }
    }

    fn install(&self, dir: &Path) -> PluginInfo {
@@ -357,7 +362,7 @@ fn read_file_is_confined_to_the_project() {
    assert!(err.contains("outside the project root"), "{err}");
    assert!(f.run("misbehave", "read", Some("/etc/hosts")).is_err());
    // Without a project there is nothing to read.
-    let inv = Invocation { client: None, workspace_root: None, editor: None };
+    let inv = Invocation::default();
    let err = f.host.run_command("misbehave", "read", Some("src/notes.txt"), inv).unwrap_err().message;
    assert!(err.contains("no project is open"), "{err}");
    assert_eq!(f.run("misbehave", "root", None).unwrap().unwrap(), to_ipc(&f.project));
@@ -668,6 +673,7 @@ fn contribution_only_plugins() {
    let theme = f.install(&theme_template());
    assert_eq!(theme.status, PluginStatus::Static);
    assert!(!theme.has_code);
+    assert!(theme.icon.is_none());
    assert_eq!(f.theme_kinds("openidea.harbor-night")[0].0, "harbor-night");
    let lang = f.install(&sample("language-toy"));
    assert_eq!(lang.status, PluginStatus::Static);
@@ -1934,6 +1940,69 @@ fn official_csv_editor_edits_the_shared_document() {
    assert_eq!(err.kind, ide_core::error::ErrorKind::NotFound);
 }

+#[test]
+fn view_item_menus_name_a_declared_view() {
+    /// The menu is new in API 1.2.
+    fn api_1_2(m: &str) -> String {
+        m.replace("engines.openidea = \"^1.0\"", "engines.openidea = \"^1.2\"")
+    }
+    fn with_menu(extra: &str) -> impl Fn(&str) -> String + '_ {
+        move |m: &str| format!("{}\n[[contributes.menus]]\ncommand = \"word-count\"\n{extra}\n", api_1_2(m))
+    }
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+
+    let second_view =
+        "[[contributes.views]]\nid = \"more\"\ntitle = \"More\"\nicon = \"plugin\"\nlocation = \"right\"\n";
+    let ok = hello_variant(tmp.path(), |m| {
+        let on_greetings =
+            with_menu("menu = \"viewItem.context\"\nview = \"greetings\"\nwhen = \"viewItemKind == English\"")(m);
+        let on_more = with_menu("menu = \"viewItem.context\"\nview = \"more\"")("");
+        format!("{on_greetings}\n{second_view}\n{on_more}")
+    });
+    assert_eq!(f.install(&ok).status, PluginStatus::Inactive);
+    let item = f.host.ui_items("menus").into_iter().find(|i| i.decl["menu"] == "viewItem.context").unwrap();
+    assert_eq!(
+        (item.key.as_str(), item.decl["view"].as_str()),
+        ("viewItem.context/greetings/word-count", Some("greetings"))
+    );
+    let keys: Vec<String> = f.host.ui_items("menus").into_iter().map(|i| i.key).collect();
+    for view in ["greetings", "more"] {
+        assert!(keys.contains(&format!("viewItem.context/{view}/word-count")), "{keys:?}");
+    }
+    f.host.uninstall("hello").unwrap();
+
+    for (extra, message) in [
+        ("menu = \"viewItem.context\"", "needs `view`"),
+        ("menu = \"viewItem.context\"\nview = \"nope\"", "view \"nope\" is not declared"),
+        ("menu = \"projectView.context\"\nview = \"greetings\"", "`view` is only for viewItem.context"),
+    ] {
+        let dir = tempfile::tempdir().unwrap();
+        let err = f.host.install_from_dir(&hello_variant(dir.path(), with_menu(extra)), &Consent::all()).unwrap_err();
+        assert!(err.message.contains(message), "{extra}: {}", err.message);
+    }
+
+    let dir = tempfile::tempdir().unwrap();
+    let web_view = "[[contributes.views]]\nid = \"page\"\ntitle = \"Page\"\nicon = \"plugin\"\nlocation = \"right\"\nweb = \"web/index.html\"\n";
+    let pkg = hello_variant(dir.path(), |m| {
+        let on_page = with_menu("menu = \"viewItem.context\"\nview = \"page\"")("");
+        format!("{}\n{web_view}\n{on_page}", api_1_2(m))
+    });
+    std::fs::create_dir_all(pkg.join("web")).unwrap();
+    std::fs::write(pkg.join("web/index.html"), "<p>hi</p>").unwrap();
+    let err = f.host.install_from_dir(&pkg, &Consent::all()).unwrap_err();
+    assert!(err.message.contains("is a web view"), "{}", err.message);
+
+    let dir = tempfile::tempdir().unwrap();
+    let old = hello_variant(dir.path(), |m| {
+        format!(
+            "{m}\n[[contributes.menus]]\nmenu = \"viewItem.context\"\nview = \"greetings\"\ncommand = \"word-count\"\n"
+        )
+    });
+    let err = f.host.install_from_dir(&old, &Consent::all()).unwrap_err();
+    assert!(err.message.contains("new in plugin API 1.2"), "{}", err.message);
+}
+
 /// The sample plugin makes a tool window with a tree view.
 /// Its menus, shortcut and status bar item are declarations, listed before
 /// any code runs; the tree is rendered by the code, which loads on first show.
@@ -2078,6 +2147,17 @@ fn views_open_project_files_at_a_line() {
    assert!(opened.is_none());
 }

+#[test]
+fn commands_see_the_paths_they_were_run_on() {
+    let f = fixture(Limits::default());
+    f.install(&sample("jobs"));
+    let (a, b) = (f.project.join("src/a.txt"), f.project.join("src/b.txt"));
+    let inv = Invocation { selected_paths: vec![a.clone(), b.clone()], ..f.inv() };
+    let out = f.host.run_command("jobs", "selection", Some(&to_ipc(&a)), inv).unwrap();
+    assert_eq!(out.as_deref(), Some(format!("{}\n{}", to_ipc(&a), to_ipc(&b)).as_str()));
+    assert_eq!(f.run("jobs", "selection", None).unwrap().as_deref(), Some(""));
+}
+
 #[test]
 fn vcs_remotes_clipboard_and_open_url() {
    let f = fixture(Limits::default());
@@ -2134,6 +2214,126 @@ fn vcs_remotes_clipboard_and_open_url() {
    }
 }

+/// Runs `cmd` of the jobs plugin; once it asks the user, answers after `delay`
+/// (`None`: dismisses). Returns the command's result and what it asked.
+fn run_and_answer(
+    f: &Fixture,
+    cmd: &str,
+    arg: Option<&str>,
+    answer: Option<&[&str]>,
+    delay: Duration,
+) -> (Result<Option<String>, String>, ide_plugin::Prompt) {
+    std::thread::scope(|scope| {
+        let running = scope.spawn(|| f.run("jobs", cmd, arg));
+        let deadline = Instant::now() + Duration::from_secs(10);
+        let (client, prompt_id, prompt) = loop {
+            let asked = f.take_events().into_iter().find_map(|(client, e)| match e {
+                PluginEvent::PromptRequested { prompt_id, prompt, .. } => Some((client, prompt_id, prompt)),
+                _ => None,
+            });
+            if let Some(asked) = asked {
+                break asked;
+            }
+            assert!(Instant::now() < deadline && !running.is_finished(), "the command never asked");
+            std::thread::sleep(Duration::from_millis(10));
+        };
+        assert_eq!(client.as_deref(), Some("main"), "asks in the window that ran the command");
+        std::thread::sleep(delay);
+        let answer = answer.map(|a| a.iter().map(|s| (*s).to_owned()).collect());
+        assert!(f.host.answer_prompt(&prompt_id, answer));
+        assert!(!f.host.answer_prompt(&prompt_id, None), "an answer counts once");
+        (running.join().unwrap(), prompt)
+    })
+}
+
+#[test]
+fn commands_ask_the_user_and_reveal_their_views() {
+    use ide_plugin::{PickItem, Prompt};
+    let f = fixture(Limits { timeout: Duration::from_millis(500), ..Limits::default() });
+    let info = f.install(&sample("jobs"));
+    assert_eq!(info.status, PluginStatus::Inactive, "{:?}", info.error);
+    let none = Duration::ZERO;
+
+    let (result, prompt) = run_and_answer(&f, "pick", None, Some(&["b"]), none);
+    assert_eq!(result.unwrap().as_deref(), Some("b"));
+    let items = vec![
+        PickItem { key: "a".into(), label: "Alpha".into(), description: Some("first".into()) },
+        PickItem { key: "b".into(), label: "Beta".into(), description: None },
+        PickItem { key: "c".into(), label: "Gamma".into(), description: None },
+    ];
+    assert_eq!(prompt, Prompt::QuickPick { title: "Pick".into(), items, multiple: false });
+
+    let (result, prompt) = run_and_answer(&f, "pick-many", None, Some(&["a", "c"]), none);
+    assert_eq!(result.unwrap().as_deref(), Some("a,c"));
+    assert!(matches!(prompt, Prompt::QuickPick { multiple: true, .. }));
+    assert_eq!(run_and_answer(&f, "pick", None, None, none).0.unwrap().as_deref(), Some("none"));
+
+    let (result, prompt) = run_and_answer(&f, "input", Some("Main"), Some(&["Other"]), none);
+    assert_eq!(result.unwrap().as_deref(), Some("Other"));
+    assert_eq!(prompt, Prompt::Input { prompt: "Name".into(), value: Some("Main".into()) });
+    assert_eq!(run_and_answer(&f, "input", None, None, none).0.unwrap().as_deref(), Some("none"));
+
+    let (result, prompt) = run_and_answer(&f, "confirm", None, Some(&[]), none);
+    assert_eq!(result.unwrap().as_deref(), Some("true"));
+    assert_eq!(prompt, Prompt::Confirm { title: "Delete".into(), message: "Really?".into() });
+    assert_eq!(run_and_answer(&f, "confirm", None, None, none).0.unwrap().as_deref(), Some("false"));
+
+    // The wait is not part of the call's 500 ms budget.
+    let (result, _) = run_and_answer(&f, "confirm", None, Some(&[]), Duration::from_millis(1200));
+    assert_eq!(result.unwrap().as_deref(), Some("true"));
+
+    // Keys come back as given: one that doesn't fit is refused, not cut.
+    f.take_events();
+    let err = f.run("jobs", "pick", Some("long-key")).unwrap_err();
+    assert!(err.contains("item key is longer"), "{err}");
+    assert!(f.take_events().iter().all(|(_, e)| !matches!(e, PluginEvent::PromptRequested { .. })));
+
+    // Without a window there is nothing to attach the dialog to.
+    f.take_events();
+    let no_window = Invocation { client: None, ..f.inv() };
+    for cmd in ["pick", "input", "confirm"] {
+        let err = f.host.run_command("jobs", cmd, None, no_window.clone()).unwrap_err().message;
+        assert!(err.contains("from a command the user invoked"), "{cmd}: {err}");
+    }
+    assert!(f.take_events().iter().all(|(_, e)| !matches!(e, PluginEvent::PromptRequested { .. })));
+
+    // `views.reveal` only knows the plugin's own declared views.
+    f.take_events();
+    f.run("jobs", "reveal", Some("jobs")).unwrap();
+    let revealed = f.take_events().into_iter().find_map(|(client, e)| match e {
+        PluginEvent::RevealView { plugin_id, view } => Some((client, plugin_id, view)),
+        _ => None,
+    });
+    assert_eq!(revealed, Some((Some("main".into()), "jobs".into(), "jobs".into())));
+    for view in ["greetings", ""] {
+        let err = f.run("jobs", "reveal", Some(view)).unwrap_err();
+        assert!(err.contains("declares no view"), "{view:?}: {err}");
+    }
+    assert!(f.run("jobs", "reveal", Some("jobs")).is_ok(), "the instance survives");
+}
+
+#[test]
+fn disabling_a_plugin_that_waits_for_an_answer_does_not_hang() {
+    let f = fixture(Limits::default());
+    let info = f.install(&sample("jobs"));
+    assert_eq!(info.status, PluginStatus::Inactive, "{:?}", info.error);
+    std::thread::scope(|scope| {
+        let running = scope.spawn(|| f.run("jobs", "confirm", None));
+        let deadline = Instant::now() + Duration::from_secs(10);
+        while !f.take_events().iter().any(|(_, e)| matches!(e, PluginEvent::PromptRequested { .. })) {
+            assert!(Instant::now() < deadline && !running.is_finished(), "the command never asked");
+            std::thread::sleep(Duration::from_millis(10));
+        }
+        let started = Instant::now();
+        f.host.set_enabled("jobs", false).unwrap();
+        assert!(started.elapsed() < Duration::from_secs(5), "disabling waited for the user");
+        assert!(running.join().unwrap().is_err(), "the waiting command ends with an error");
+    });
+    f.host.set_enabled("jobs", true).unwrap();
+    let (result, _) = run_and_answer(&f, "confirm", None, Some(&[]), Duration::ZERO);
+    assert_eq!(result.unwrap().as_deref(), Some("true"), "prompts work again after the restart");
+}
+
 #[test]
 fn views_can_use_an_svg_icon_from_the_package() {
    let f = fixture(Limits::default());
@@ -2610,3 +2810,368 @@ fn completion_quick_fixes_problems_and_event_kinds_of_api_1() {
    let d = f.workspace.diagnostics.lock().get(&("misbehave".into(), path)).cloned().unwrap();
    assert_eq!((d[0].unnecessary, d[0].deprecated, d[0].source.as_deref()), (true, false, Some("lint")));
 }
+
+/// `hello` as a services view, which needs API 1.3.
+fn services_variant(text: &str) -> String {
+    text.replace("location = \"right\"", "location = \"services\"")
+        .replace("engines.openidea = \"^1.0\"", "engines.openidea = \"^1.3\"")
+}
+
+#[test]
+fn services_views_need_api_1_3_and_code() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    let info = f.install(&hello_variant(tmp.path(), services_variant));
+    assert!(info.error.is_none(), "{:?}", info.error);
+    assert_eq!(f.host.ui_items("views").remove(0).decl["location"].as_str(), Some("services"));
+
+    for (edit, message) in [
+        (
+            Box::new(|t: &str| t.replace("location = \"right\"", "location = \"services\""))
+                as Box<dyn Fn(&str) -> String>,
+            "new in plugin API 1.3",
+        ),
+        (
+            Box::new(|t: &str| t.replace("location = \"right\"", "location = \"middle\"")),
+            "left, right, bottom or services",
+        ),
+        (
+            Box::new(|t: &str| {
+                services_variant(t)
+                    .replace("location = \"services\"", "location = \"services\"\nweb = \"web/index.html\"")
+            }),
+            "a services view is rendered by the plugin's code (no `web`)",
+        ),
+    ] {
+        let tmp = tempfile::tempdir().unwrap();
+        let pkg = hello_variant(tmp.path(), edit);
+        std::fs::create_dir_all(pkg.join("web")).unwrap();
+        std::fs::write(pkg.join("web/index.html"), "<p>x</p>").unwrap();
+        let err = f.host.install_from_dir(&pkg, &Consent::all()).unwrap_err();
+        assert!(err.message.contains(message), "{message}: {err:?}");
+    }
+}
+
+#[test]
+fn services_views_have_a_detail_pane() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    f.install(&hello_variant(tmp.path(), services_variant));
+    let tabs = f.host.service_detail("hello", "greetings", "pod:default/nginx", f.inv()).unwrap();
+    assert_eq!(tabs.iter().map(|t| t.id.as_str()).collect::<Vec<_>>(), ["log", "info"]);
+    assert_eq!(tabs[1].body, ide_plugin::ServicePane::Text("greetings: pod:default/nginx".into()));
+    let ide_plugin::ServicePane::Log(log) = &tabs[0].body else { panic!("a log: {:?}", tabs[0].body) };
+    assert_eq!(
+        (log.program.as_str(), log.args.as_slice()),
+        ("sh", ["-c".to_owned(), "pod:default/nginx".to_owned()].as_slice())
+    );
+
+    let f = fixture(Limits::default());
+    f.install(&sample("hello"));
+    let err = f.host.service_detail("hello", "greetings", "x", f.inv()).unwrap_err();
+    assert!(err.message.contains("declares no services view"), "a right view has no pane: {err:?}");
+}
+
+/// `hello` as a services view that may run `sh`, granted or not.
+#[cfg(unix)]
+fn services_with_sh(f: &Fixture, dir: &Path, grant: bool) {
+    let sh = PathBuf::from("/bin");
+    f.host.set_program_path(Arc::new(move || Some(sh.clone().into_os_string())));
+    let pkg = hello_variant(dir, |t| {
+        services_variant(t).replace(
+            "required = [\"editor.read\", \"editor.write\"]",
+            "required = [\"editor.read\", \"editor.write\"]\noptional = [\"process:sh\"]",
+        )
+    });
+    f.install(&pkg);
+    f.host.set_capability("hello", "process:sh", grant).unwrap();
+}
+
+/// Follows the Log tab of the node whose key is `script`.
+#[cfg(unix)]
+fn stream(
+    f: &Fixture,
+    script: &str,
+    on: &[&str],
+    cancel: &ide_core::CancellationToken,
+    lines: impl Fn(PluginOutputLine),
+) -> ide_core::IdeResult<Option<i32>> {
+    let on: Vec<String> = on.iter().map(|s| (*s).to_owned()).collect();
+    f.host.stream_service_log("hello", "greetings", script, "log", &on, f.inv(), cancel, &lines)
+}
+
+#[cfg(unix)]
+#[test]
+fn service_logs_stream_lines_with_the_toggles_args() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    services_with_sh(&f, tmp.path(), true);
+    let lines = Mutex::new(Vec::new());
+    let script = "printf 'a\\nb\\n'; printf 'e\\n' >&2; exit 3";
+    let status = stream(&f, script, &[], &Default::default(), |l| lines.lock().push(l));
+    assert_eq!(status.unwrap(), Some(3));
+    let mut lines = lines.into_inner();
+    lines.sort_by_key(|l| l.stderr);
+    let line = |stderr: bool, text: &str| PluginOutputLine { stderr, text: text.into() };
+    assert_eq!(lines, [line(false, "a"), line(false, "b"), line(true, "e")]);
+
+    // `sh -c script arg` names the script `arg` ($0): the toggle's args are appended.
+    let named = Mutex::new(Vec::new());
+    stream(&f, "echo $0", &["named"], &Default::default(), |l| named.lock().push(l.text)).unwrap();
+    assert_eq!(named.into_inner(), ["named"]);
+
+    let long = Mutex::new(Vec::new());
+    stream(&f, "head -c 40000 /dev/zero | tr '\\0' x; echo; echo next", &[], &Default::default(), |l| {
+        long.lock().push(l.text.len())
+    })
+    .unwrap();
+    assert_eq!(long.into_inner(), [16 << 10, 4], "a long line is cut, the next one is whole");
+}
+
+#[cfg(unix)]
+#[test]
+fn service_logs_need_the_grant_and_a_log_tab() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    services_with_sh(&f, tmp.path(), false);
+    let marker = tmp.path().join("ran");
+    let script = format!("touch {}", marker.display());
+    let err = stream(&f, &script, &[], &Default::default(), |_| {}).unwrap_err();
+    assert_eq!(err.kind, ErrorKind::PermissionDenied);
+    assert!(err.message.contains("permission denied: process:sh is not granted"), "{err:?}");
+    assert!(!marker.exists(), "nothing was started");
+
+    f.host.set_capability("hello", "process:sh", true).unwrap();
+    let info =
+        f.host.stream_service_log("hello", "greetings", &script, "info", &[], f.inv(), &Default::default(), &|_| {});
+    assert_eq!(info.unwrap_err().kind, ErrorKind::NotFound, "a text tab runs nothing");
+    let cancelled = ide_core::CancellationToken::default();
+    cancelled.cancel();
+    assert_eq!(stream(&f, &script, &[], &cancelled, |_| {}).unwrap_err().kind, ErrorKind::Cancelled);
+    assert!(!marker.exists(), "a cancelled request starts nothing");
+}
+
+#[cfg(unix)]
+#[test]
+fn service_log_cancel_kills_the_child() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    services_with_sh(&f, tmp.path(), true);
+    let cancel = ide_core::CancellationToken::default();
+    let started = Instant::now();
+    let result = stream(&f, "echo up; sleep 30.4321", &[], &cancel, |l| {
+        if l.text == "up" {
+            cancel.cancel();
+        }
+    });
+    assert!(started.elapsed() < Duration::from_secs(2), "{:?}", started.elapsed());
+    assert_eq!(result.unwrap_err().kind, ErrorKind::Cancelled);
+    let orphan = || std::process::Command::new("pgrep").args(["-f", "sleep 30.4321"]).status().unwrap().success();
+    assert!(eventually(|| !orphan()), "what the program started is killed too");
+}
+
+#[cfg(unix)]
+#[test]
+fn service_log_stops_when_the_grant_is_revoked() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    services_with_sh(&f, tmp.path(), true);
+    let started = Instant::now();
+    let watchdog = ide_core::CancellationToken::default();
+    let timer = watchdog.clone();
+    std::thread::spawn(move || {
+        std::thread::sleep(Duration::from_secs(3));
+        timer.cancel();
+    });
+    let result = stream(&f, "while :; do echo tick; sleep 0.05; done", &[], &watchdog, |l| {
+        if l.text == "tick" && started.elapsed() < Duration::from_secs(1) {
+            f.host.set_capability("hello", "process:sh", false).unwrap();
+        }
+    });
+    assert!(started.elapsed() < Duration::from_secs(3), "{:?}", started.elapsed());
+    let err = result.unwrap_err();
+    assert_eq!(err.kind, ErrorKind::PermissionDenied, "{err:?}");
+}
+
+#[test]
+fn plugins_set_their_own_context_keys() {
+    let f = fixture(Limits::default());
+    f.install(&sample("jobs"));
+    f.take_events();
+    f.run("jobs", "context", Some("connected=true")).unwrap();
+    let changed: Vec<_> = f
+        .take_events()
+        .into_iter()
+        .filter_map(|(client, e)| match e {
+            PluginEvent::ContextChanged { plugin_id, key, value } => Some((client, plugin_id, key, value)),
+            _ => None,
+        })
+        .collect();
+    assert_eq!(changed, [(Some("main".into()), "jobs".into(), "connected".into(), Some("true".into()))]);
+    assert_eq!(f.host.context_keys(Some("main")).len(), 1);
+    assert!(f.host.context_keys(Some("other")).is_empty(), "window-scoped");
+
+    for bad in ["bad key=true", "a.b=true", "x=NaN"] {
+        assert!(f.run("jobs", "context", Some(bad)).unwrap_err().contains("invalid"), "{bad}");
+    }
+
+    f.run("jobs", "context", Some("connected=")).unwrap();
+    assert!(f.host.context_keys(Some("main")).is_empty());
+
+    f.run("jobs", "context", Some("connected=true")).unwrap();
+    f.host.set_enabled("jobs", false).unwrap();
+    assert!(f.host.context_keys(Some("main")).is_empty(), "cleared when the plugin stops");
+}
+
+#[test]
+fn context_keys_are_capped_and_windows_overlay_global_ones() {
+    let f = fixture(Limits::default());
+    f.install(&sample("jobs"));
+    for i in 0..100 {
+        f.run("jobs", "context", Some(&format!("k{i}=1"))).unwrap();
+    }
+    assert!(f.run("jobs", "context", Some("k100=1")).unwrap_err().contains("invalid"));
+    f.run("jobs", "context", Some("k0=2")).unwrap();
+    for i in 1..4 {
+        f.run("jobs", "context", Some(&format!("k{i}="))).unwrap();
+    }
+
+    let global = Invocation { client: None, ..f.inv() };
+    f.host.run_command("jobs", "context", Some("g=1"), global.clone()).unwrap();
+    f.host.run_command("jobs", "context", Some("w=global"), global).unwrap();
+    f.run("jobs", "context", Some("w=window")).unwrap();
+    let w = |client| f.host.context_keys(Some(client)).into_iter().find(|k| k.key == "w").map(|k| k.value);
+    assert_eq!(w("main").as_deref(), Some("\"window\""));
+    assert_eq!(w("other").as_deref(), Some("\"global\""));
+
+    f.run("jobs", "context", Some("w=")).unwrap();
+    assert_eq!(w("main").as_deref(), Some("\"global\""), "removing the window key reveals the global one");
+}
+
+#[test]
+fn context_values_are_stored_as_json_and_bounded() {
+    let f = fixture(Limits::default());
+    f.install(&sample("jobs"));
+    let value = |arg: &str| {
+        f.run("jobs", "context", Some(arg)).unwrap();
+        f.host.context_keys(Some("main")).into_iter().find(|k| k.key == "x").unwrap().value
+    };
+    assert_eq!(value("x=true"), "true");
+    assert_eq!(value("x=2.5"), "2.5");
+    assert_eq!(value("x=say \"hi\""), "\"say \\\"hi\\\"\"");
+    assert_eq!(value("x=1"), "1");
+    f.take_events();
+    f.run("jobs", "context", Some("x=1.0")).unwrap();
+    assert!(f.take_events().is_empty(), "the same value emits nothing");
+    let long = format!("x={}", "a".repeat(1025));
+    assert!(f.run("jobs", "context", Some(&long)).unwrap_err().contains("invalid"));
+}
+
+#[test]
+fn forgetting_a_window_drops_its_context_keys_silently() {
+    let f = fixture(Limits::default());
+    f.install(&sample("jobs"));
+    f.run("jobs", "context", Some("w=1")).unwrap();
+    f.take_events();
+    f.host.forget_client("main");
+    assert!(f.host.context_keys(Some("main")).is_empty());
+    assert!(f.take_events().is_empty());
+}
+
+#[test]
+fn a_closed_window_ignores_late_context_writes_until_its_label_is_reused() {
+    let f = fixture(Limits::default());
+    f.install(&sample("jobs"));
+    f.host.forget_client("main");
+    f.take_events();
+    f.run("jobs", "context", Some("late=1")).unwrap();
+    assert!(f.host.context_keys(Some("main")).is_empty());
+    let events = f.take_events();
+    assert!(
+        !events.iter().any(|(_, e)| matches!(e, PluginEvent::ContextChanged { .. })),
+        "no context event: {events:?}"
+    );
+
+    f.host.reopen_client("main");
+    f.run("jobs", "context", Some("fresh=1")).unwrap();
+    assert_eq!(f.host.context_keys(Some("main"))[0].key, "fresh");
+}
+
+#[test]
+fn stopping_a_plugin_withdraws_each_context_key_in_its_own_scope() {
+    let f = fixture(Limits::default());
+    f.install(&sample("jobs"));
+    let global = Invocation { client: None, ..f.inv() };
+    f.host.run_command("jobs", "context", Some("g=1"), global).unwrap();
+    f.run("jobs", "context", Some("w=1")).unwrap();
+    f.take_events();
+    f.host.set_enabled("jobs", false).unwrap();
+    let mut removed: Vec<_> = f
+        .take_events()
+        .into_iter()
+        .filter_map(|(client, e)| match e {
+            PluginEvent::ContextChanged { key, value: None, .. } => Some((client, key)),
+            _ => None,
+        })
+        .collect();
+    removed.sort();
+    assert_eq!(removed, [(None, "g".to_owned()), (Some("main".to_owned()), "w".to_owned())]);
+}
+
+/// A data-only package `id` in `dir` whose manifest ends with `extra`, plus `files`.
+fn icon_package(dir: &Path, id: &str, extra: &str, files: &[(&str, &str)]) -> PathBuf {
+    let pkg = dir.join(id);
+    std::fs::create_dir_all(&pkg).unwrap();
+    std::fs::write(
+        pkg.join("plugin.toml"),
+        format!("id = \"{id}\"\nname = \"Iconic\"\nversion = \"1.0.0\"\nengines.openidea = \"^1.2\"\n{extra}"),
+    )
+    .unwrap();
+    for (name, text) in files {
+        std::fs::write(pkg.join(name), text).unwrap();
+    }
+    pkg
+}
+
+const RECT: &str = r#"<svg viewBox="0 0 16 16"><rect width="16" height="16"/></svg>"#;
+const CIRCLE: &str = r#"<svg viewBox="0 0 16 16"><circle cx="8" cy="8" r="8"/></svg>"#;
+
+#[test]
+fn plugin_icons_install_with_the_package() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    let pkg = icon_package(
+        tmp.path(),
+        "iconic",
+        "icon = \"icon.svg\"\nicon-dark = \"icon_dark.svg\"\n",
+        &[("icon.svg", RECT), ("icon_dark.svg", CIRCLE)],
+    );
+    let info = f.install(&pkg);
+    assert_eq!(info.status, PluginStatus::Static, "{:?}", info.error);
+    let icon = info.icon.expect("icon");
+    assert!(icon.light.contains("<rect"), "{}", icon.light);
+    assert!(icon.dark.unwrap().contains("<circle"));
+    assert!(f.installed("iconic").join("icon_dark.svg").is_file());
+
+    f.host.set_enabled("iconic", false).unwrap();
+    assert!(f.host.info_of("iconic").unwrap().icon.is_some(), "disabled plugins keep their icon");
+}
+
+#[test]
+fn invalid_plugin_icons_refuse_the_package() {
+    let f = fixture(Limits::default());
+    let tmp = tempfile::tempdir().unwrap();
+    let big = format!("<svg>{}</svg>", "<path d=\"M0 0h1v1z\"/>".repeat(1000));
+    let padded = format!("<svg><!--{}--><rect/></svg>", " ".repeat(20 << 10));
+    let cases = [
+        ("scripted", "icon = \"icon.svg\"\n", "<svg><script>alert(1)</script></svg>".to_owned(), "icon.svg"),
+        ("oversized", "icon = \"icon.svg\"\n", big, "16 KiB"),
+        ("padded", "icon = \"icon.svg\"\n", padded, "16 KiB"),
+        ("missing", "icon = \"missing.svg\"\n", RECT.to_owned(), "missing.svg"),
+    ];
+    for (id, extra, svg, expected) in cases {
+        let pkg = icon_package(tmp.path(), id, extra, &[("icon.svg", &svg)]);
+        let err = f.host.preview_install(&pkg).map(|_| ()).unwrap_err().message;
+        assert!(err.contains(expected), "{id}: {err}");
+    }
+}
@@ -276,7 +276,7 @@ async fn python_venv() {
    // The project's virtualenv: listed first, and the interpreter the project uses.
    let found = ops::sdk::sdk_detect(&p.host, WINDOW, ide_sdk::SdkKind::Python).await.unwrap();
    assert_eq!(found.first().map(|s| s.source.as_str()), Some("venv"), "{found:?}");
-    let effective = ops::sdk::sdk_python_effective(&p.host, WINDOW).unwrap().expect("an interpreter");
+    let effective = ops::sdk::sdk_python_effective(&p.host, WINDOW, None).unwrap().expect("an interpreter");
    assert!(effective.starts_with(p.root.join(".venv")), "{effective:?}");
 }

@@ -300,5 +300,31 @@ async fn remote_projects_get_plugin_views_and_custom_editors() {
        })
    })
    .await;
+
+    invoke(
+        &peer,
+        "plugin_run_command",
+        json!({ "pluginId": "jobs", "commandId": "context", "arg": "mode=true", "editor": null }),
+    )
+    .await
+    .unwrap();
+    until("the context key's event", 5, || {
+        client.plugin_events.lock().iter().any(|m| {
+            m.window.as_deref() == Some("main")
+                && matches!(&m.event, PluginEvent::ContextChanged { key, value, .. } if key == "mode" && value.as_deref() == Some("true"))
+        })
+    })
+    .await;
+    let keys = invoke(&peer, "plugin_context_keys", json!({})).await.unwrap();
+    assert_eq!(keys, json!([{ "pluginId": "jobs", "key": "mode", "value": "true" }]), "{keys}");
+
+    let selected = invoke(
+        &peer,
+        "plugin_run_command",
+        json!({ "pluginId": "jobs", "commandId": "selection", "arg": null, "editor": null, "paths": ["/srv/src/a.txt"] }),
+    )
+    .await
+    .unwrap();
+    assert_eq!(selected, "/srv/src/a.txt");
    plugins.host().shutdown();
 }
@@ -349,6 +349,29 @@ fn trusted_locations_use_canonical_directory_boundaries() {
    assert_eq!(trust.status(&alias).unwrap().root.as_ref(), dunce::canonicalize(&other).unwrap());
 }

+#[test]
+fn add_location_trusts_every_project_under_it() {
+    let tmp = tempfile::tempdir().unwrap();
+    let location = tmp.path().join("projects");
+    let inside = location.join("nested/deep/app");
+    let outside = tmp.path().join("projects-other/app");
+    std::fs::create_dir_all(&inside).unwrap();
+    std::fs::create_dir_all(&outside).unwrap();
+    let file = tmp.path().join("not-a-dir");
+    std::fs::write(&file, "x").unwrap();
+    let trust = TrustStore::load(&tmp.path().join("config"), &tmp.path().join("data"));
+    trust.add_location(&location).unwrap();
+    assert!(trust.trusted(&inside).unwrap());
+    assert!(!trust.trusted(&outside).unwrap());
+    assert_eq!(trust.decisions().unwrap().locations.len(), 1);
+    trust.add_location(&location).unwrap();
+    assert_eq!(trust.decisions().unwrap().locations.len(), 1, "re-adding is a no-op");
+    assert!(trust.add_location(&file).is_err(), "a file is not a location");
+    assert!(trust.add_location(&tmp.path().join("missing")).is_err(), "a missing path is not a location");
+    let reloaded = TrustStore::load(&tmp.path().join("config"), &tmp.path().join("data"));
+    assert!(reloaded.trusted(&inside).unwrap());
+}
+
 #[cfg(unix)]
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn restricted_git_views_ignore_project_executables_and_mutations_cannot_run_hooks() {
@@ -151,7 +151,7 @@ async fn change_commit_branch_stash_and_merge_a_conflict() {
    assert!(ops::vcs::vcs_line_hunks(&f.host, WINDOW, lib_path.clone()).await.unwrap().is_empty());

    // A branch changes the line its way.
-    ops::vcs::vcs_create_branch(&f.host, WINDOW, None, "feature".into(), None, true).await.unwrap();
+    ops::vcs::vcs_create_branch(&f.host, WINDOW, None, "feature".into(), None, true, None).await.unwrap();
    let theirs = "pub fn format_price(cents: u64) -> String { // feature";
    f.edit_line(lib, theirs).await;
    f.save(lib).await;
@@ -87,12 +87,19 @@ pub fn prepare(
    } else {
        with_scheme(&url)
    };
+    // Multipart bodies delimit parts with CRLF per RFC 2046 §5.1; joining
+    // with bare LF leaves servers (e.g. Tomcat) unable to find the boundary.
+    let is_multipart = headers
+        .iter()
+        .find(|(k, _)| k.eq_ignore_ascii_case("content-type"))
+        .is_some_and(|(_, v)| v.to_ascii_lowercase().starts_with("multipart/"));
+    let eol = if is_multipart { "\r\n" } else { "\n" };
    Ok(PreparedRequest {
        name: raw.block.name.clone(),
        method: raw.block.method.clone(),
        url,
        headers,
-        body: (!body_lines.is_empty()).then(|| body_lines.join("\n")),
+        body: (!body_lines.is_empty()).then(|| body_lines.join(eol)),
    })
 }

@@ -205,6 +212,22 @@ mod tests {
        assert!(err.message.contains("host"), "{}", err.message);
    }

+    #[test]
+    fn multipart_bodies_join_lines_with_crlf() {
+        let f = parse(
+            "POST https://api.test/upload\nContent-Type: multipart/form-data; boundary=xyz\n\n--xyz\nfield\n--xyz--\n",
+        );
+        let p = prepare(&f.requests[0], &f.variables, &Environments::default(), None, None).unwrap();
+        assert_eq!(p.body.as_deref(), Some("--xyz\r\nfield\r\n--xyz--"));
+    }
+
+    #[test]
+    fn non_multipart_bodies_join_lines_with_lf() {
+        let f = parse("POST https://api.test/x\nContent-Type: application/json\n\n{\n\"a\": 1\n}\n");
+        let p = prepare(&f.requests[0], &f.variables, &Environments::default(), None, None).unwrap();
+        assert_eq!(p.body.as_deref(), Some("{\n\"a\": 1\n}"));
+    }
+
    #[test]
    fn relative_urls_use_the_host_header() {
        let f = parse("GET /status\nHost: localhost:9000\n");
@@ -189,6 +189,43 @@ impl ProjectIndex {
        out
    }

+    /// Reuse indexed syntax tags only for the exact text snapshot. Unsaved or
+    /// not-yet-indexed contents fall back to the caller's parser.
+    pub fn symbols_for_text(&self, path: &Path, text: &str) -> Option<Vec<ide_language::SymbolTag>> {
+        let hash = blake3::hash(text.as_bytes());
+        let data = self.shared.data.read();
+        let file = data.get(path)?;
+        if &file.hash != hash.as_bytes() {
+            return None;
+        }
+        Some(
+            file.symbols
+                .iter()
+                .map(|s| ide_language::SymbolTag {
+                    name: s.name.to_string(),
+                    kind: s.kind,
+                    container: s.container.as_ref().map(ToString::to_string),
+                    range: s.range,
+                })
+                .collect(),
+        )
+    }
+
+    /// Bounded file inventory for background plugin indexers; honors the same
+    /// project/exclude scope as search and never walks the filesystem.
+    pub fn files_with_extensions(&self, extensions: &[String], limit: usize) -> Vec<PathBuf> {
+        self.shared
+            .data
+            .read()
+            .files
+            .iter()
+            .flatten()
+            .filter(|f| f.path.extension().and_then(|e| e.to_str()).is_some_and(|e| extensions.iter().any(|x| x == e)))
+            .take(limit)
+            .map(|f| f.path.clone())
+            .collect()
+    }
+
    /// Fuzzy file search. IDEA-like ranking: file-name matches beat directory
    /// matches; `/` in the query matches path segments; recently opened files boost.
    pub fn find_files(&self, query: &str, limit: usize) -> Vec<FileMatch> {
@@ -632,3 +632,23 @@ fn workspace_scope_excludes_state_from_scans_updates_and_cached_results() {
    assert!(idx.wait_idle(WAIT));
    assert!(idx.find_files("", 100).is_empty());
 }
+
+#[test]
+fn plugin_inventory_respects_excludes_and_symbols_require_matching_text() {
+    let java = "package demo; interface UserMapper { void find(); }";
+    let f = Fixture::new(&[
+        ("src/UserMapper.java", java),
+        ("src/mapper.xml", "<mapper/>"),
+        ("target/Generated.java", "class Generated {}"),
+        ("other.txt", "ignored"),
+    ]);
+    let index = f.open();
+    let paths = index.files_with_extensions(&["java".into(), "xml".into()], 100);
+    assert_eq!(paths.len(), 2);
+    assert!(paths.iter().all(|p| p.starts_with(f.root.join("src"))));
+    assert_eq!(index.files_with_extensions(&["java".into(), "xml".into()], 1).len(), 1);
+    let path = f.root.join("src/UserMapper.java");
+    let symbols = index.symbols_for_text(&path, java).unwrap();
+    assert!(symbols.iter().any(|s| s.name == "find"));
+    assert!(index.symbols_for_text(&path, &java.replace("find", "renamed")).is_none());
+}
@@ -52,7 +52,7 @@ tree-sitter-proto = "0.6.0"
 tree-sitter-make = "1.1.1"
 tree-sitter-cmake = "0.7.4"
 tree-sitter-xml = "0.7.0"
-tree-sitter-haskell = "0.23.1"
+tree-sitter-haskell = "0.24.1"
 tree-sitter-dart = "0.2.0"
 tree-sitter-graphql = "0.3.0"
 tree-sitter-gdscript = "6.1.0"
@@ -1,7 +1,7 @@
 (header module: (module) @name) @outline.module
 (data_type name: (name) @name) @def.enum
 (newtype name: (name) @name) @def.struct
-(type_synomym name: (name) @name) @def.type
+(type_synonym name: (name) @name) @def.type
 (type_family name: (name) @name) @def.type
 (class name: (name) @name) @def.interface
 (instance name: (name) @name patterns: (_) @detail) @outline.namespace
@@ -93,6 +93,16 @@ pub struct IndentConfig {
    pub insert_spaces: bool,
 }

+/// Additions to the tsserver project of a tree without `tsconfig.json` / `jsconfig.json`.
+#[derive(Clone, Debug, Default, PartialEq)]
+pub struct TsserverProjectExtras {
+    /// File extensions a tsserver plugin handles, registered with the sources (`vue`).
+    pub extensions: Vec<String>,
+    /// `compilerOptions.paths` with absolute targets: the bundler's module aliases
+    /// (`@/*` → `<root>/src/*` in a Vue CLI project).
+    pub paths: BTreeMap<String, Vec<String>>,
+}
+
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 #[serde(rename_all = "kebab-case")]
 pub struct LanguageServerConfig {
@@ -155,6 +165,9 @@ pub struct LanguageServerConfig {
    /// Register source files with tsserver when no project configuration exists.
    #[serde(default)]
    pub tsserver_project: bool,
+    /// Set by the settings hook: what that registered project adds to its defaults.
+    #[serde(skip)]
+    pub tsserver_project_extras: TsserverProjectExtras,
    /// Re-sends the open documents (unchanged) once `workspace/configuration` is answered:
    /// the server (Intelephense) applies some settings, such as the PHP version, only when
    /// it parses a document.
@@ -10,6 +10,7 @@ use std::sync::{Arc, OnceLock};
 /// Built-in definitions, embedded at compile time. Add new languages here.
 const BUILTIN: &[(&str, &str)] = &[
    ("asciidoc", include_str!("../../../languages/asciidoc.toml")),
+    ("astro", include_str!("../../../languages/astro.toml")),
    ("bat", include_str!("../../../languages/bat.toml")),
    ("c", include_str!("../../../languages/c.toml")),
    ("clojure", include_str!("../../../languages/clojure.toml")),
@@ -602,6 +603,7 @@ mod tests {
        "Angular Template",
        "ERB",
        "JSP",
+        "Astro",
    ];

    fn reg() -> LanguageRegistry {
@@ -637,6 +639,7 @@ mod tests {
        for (lang, servers) in [
            ("python", vec!["basedpyright", "pyright", "ty", "pyrefly"]),
            ("typescript", vec!["vtsls", "typescript-language-server"]),
+            ("java", vec!["jdtls", "kmp-lsp"]),
        ] {
            let cfg = reg.get(&LanguageId::new(lang)).unwrap();
            let got: Vec<(&str, bool)> = cfg
@@ -675,7 +678,7 @@ mod tests {
        let root = tmp.path();
        std::fs::create_dir_all(root.join("apps/web/src")).unwrap();
        std::fs::write(root.join("apps/web/.oxlintrc.json"), "{}").unwrap();
-        for lang in ["javascript", "javascriptreact", "typescript", "typescriptreact", "vue", "svelte"] {
+        for lang in ["javascript", "javascriptreact", "typescript", "typescriptreact", "vue", "svelte", "astro"] {
            let cfg = reg.get(&LanguageId::new(lang)).unwrap();
            let oxlint = cfg.language_servers.iter().find(|s| s.name == "oxlint").unwrap();
            assert_eq!((oxlint.command.as_str(), oxlint.args.as_slice()), ("oxlint", ["--lsp".to_string()].as_slice()));
@@ -889,6 +892,7 @@ mod tests {
            ("App.svelte", "svelte"),
            ("index.jsp", "jsp"),
            ("WEB-INF/tags/card.tag", "jsp"),
+            ("index.astro", "astro"),
            ("package.json", "json"),
            ("tsconfig.json", "jsonc"),
            ("tsconfig.app.json", "jsonc"),
@@ -950,6 +954,14 @@ mod tests {
        assert_eq!(res.line_comment.as_deref(), Some(";"));
    }

+    #[test]
+    fn astro_server_reads_the_project_typescript() {
+        let reg = reg();
+        let ls = &reg.get(&LanguageId::new("astro")).unwrap().language_servers[0];
+        let tsdk = ls.initialization_options.as_ref().and_then(|o| o.get("typescript")?.get("tsdk")?.as_str());
+        assert_eq!(tsdk, Some("node_modules/typescript/lib"));
+    }
+
    #[test]
    fn detects_shebangs() {
        let reg = reg();
@@ -14,6 +14,8 @@ const SCAN_LIMIT: usize = 100_000;
 /// tsserver turns its language service off past 20 MiB of JavaScript in a project.
 const SCRIPT_BYTES_LIMIT: u64 = 16 << 20;
 const REFRESH_DELAY: Duration = Duration::from_millis(300);
+/// Bounds the loading phase reported after registering a project.
+const LOADING_LIMIT: Duration = Duration::from_secs(60);
 const TIMEOUT: Duration = Duration::from_secs(15);

 #[derive(Default)]
@@ -47,7 +49,13 @@ fn is_source(ext: &str) -> bool {

 /// All-or-nothing at the caps: a partial project could displace an inferred
 /// project while omitting some of its files. Configured trees stay with tsserver.
-fn source_files(root: &Path, exclude_root: &Path, excludes: Vec<String>, limit: usize) -> Vec<PathBuf> {
+fn source_files(
+    root: &Path,
+    exclude_root: &Path,
+    excludes: Vec<String>,
+    extra: &[String],
+    limit: usize,
+) -> Vec<PathBuf> {
    if root.ancestors().any(configured) {
        return Vec::new();
    }
@@ -80,8 +88,9 @@ fn source_files(root: &Path, exclude_root: &Path, excludes: Vec<String>, limit:
            return Vec::new();
        }
        let ext = entry.path().extension().and_then(|s| s.to_str()).unwrap_or_default();
-        if entry.file_type().is_some_and(|t| t.is_file()) && is_source(ext) {
-            if is_script(ext) {
+        let plugin = extra.iter().any(|e| e == ext);
+        if entry.file_type().is_some_and(|t| t.is_file()) && (is_source(ext) || plugin) {
+            if is_script(ext) || plugin {
                script_bytes += entry.metadata().map_or(0, |m| m.len());
                if script_bytes > SCRIPT_BYTES_LIMIT {
                    tracing::debug!("external TypeScript project exceeds its script size; retaining inferred projects");
@@ -104,16 +113,22 @@ fn project_name(server: &Server) -> PathBuf {
 }

 async fn request(run: &Running, command: &str, args: Value) -> bool {
+    send(run, command, args, false, TIMEOUT).await
+}
+
+/// `is_async`: a command tsserver answers with events, such as `geterr` (vtsls returns once
+/// they all arrived).
+async fn send(run: &Running, command: &str, args: Value, is_async: bool, timeout: Duration) -> bool {
    let request = run.peer.request::<_, Value>(
        "workspace/executeCommand",
        json!({
            "command": COMMAND,
-            "arguments": [command, args, { "isAsync": false, "expectsResult": true }]
+            "arguments": [command, args, { "isAsync": is_async, "expectsResult": true }]
        }),
        None,
    );
-    match tokio::time::timeout(TIMEOUT, request).await {
-        Ok(Ok(result)) if result.get("success").and_then(Value::as_bool) == Some(true) => true,
+    match tokio::time::timeout(timeout, request).await {
+        Ok(Ok(result)) if is_async || result.get("success").and_then(Value::as_bool) == Some(true) => true,
        result => {
            tracing::debug!("tsserver {command}: {result:?}");
            false
@@ -126,7 +141,7 @@ impl LspManager {
        *self.excludes_hook.write() = Some(Arc::from(hook));
    }

-    pub(crate) async fn refresh_external_project(&self, server: &Server, run: &Running) {
+    pub(crate) async fn refresh_external_project(&self, server: &Arc<Server>, run: &Running) {
        if !supported(server, run) {
            return;
        }
@@ -135,11 +150,13 @@ impl LspManager {
            *state = State { generation: run.generation, files: Vec::new() };
            server.external_diagnostics.store(false, Ordering::Release);
        }
+        let extras = server.effective_config().tsserver_project_extras;
        let root = server.root.clone();
        let exclude_root = self.project_root_for(&root);
        let hook = self.excludes_hook.read().clone();
+        let extensions = extras.extensions.clone();
        let files = tokio::task::spawn_blocking(move || {
-            source_files(&root, &exclude_root, hook.map(|h| h()).unwrap_or_default(), LIMIT)
+            source_files(&root, &exclude_root, hook.map(|h| h()).unwrap_or_default(), &extensions, LIMIT)
        })
        .await
        .unwrap_or_default();
@@ -155,17 +172,19 @@ impl LspManager {
        }
        server.external_diagnostics.store(true, Ordering::Release);
        let roots: Vec<_> = files.iter().map(|p| json!({ "fileName": p })).collect();
+        // What an inferred project assumes, so sharing a project changes no diagnostics.
+        let mut options = json!({ "allowJs": true, "target": "ES2022", "module": "ESNext",
+            "moduleResolution": "Node", "allowNonTsExtensions": true, "jsx": "preserve",
+            "allowSyntheticDefaultImports": true, "strictNullChecks": true,
+            "strictFunctionTypes": true, "moduleDetection": "force" });
+        // Absolute targets need no `baseUrl` (deprecated in TypeScript 6).
+        if !extras.paths.is_empty() {
+            options["paths"] = json!(extras.paths);
+        }
        if request(
            run,
            "openExternalProject",
-            json!({
-                "projectFileName": project_name(server), "rootFiles": roots,
-                // What an inferred project assumes, so sharing a project changes no diagnostics.
-                "options": { "allowJs": true, "target": "ES2022", "module": "ESNext",
-                    "moduleResolution": "Node", "allowNonTsExtensions": true, "jsx": "preserve",
-                    "allowSyntheticDefaultImports": true, "strictNullChecks": true,
-                    "strictFunctionTypes": true, "moduleDetection": "force" }
-            }),
+            json!({ "projectFileName": project_name(server), "rootFiles": roots, "options": options }),
        )
        .await
        {
@@ -175,24 +194,32 @@ impl LspManager {
                files.len(),
                server.root.display()
            );
+            if state.files.is_empty() {
+                self.await_external_project(server, run.generation, files[0].clone());
+            }
            state.files = files;
        }
    }

    /// Re-registers config-less projects after sources or configurations changed on disk.
    pub fn project_files_changed<'a>(&self, paths: impl IntoIterator<Item = &'a PathBuf>) {
-        let relevant = paths.into_iter().any(|p| {
-            p.extension().and_then(|s| s.to_str()).is_some_and(is_source)
-                || p.file_name().is_some_and(|n| n == "tsconfig.json" || n == "jsconfig.json")
-        });
-        if !relevant {
-            return;
-        }
-        for server in self.servers.lock().iter().filter(|s| s.config.tsserver_project) {
+        let paths: Vec<&PathBuf> = paths.into_iter().collect();
+        let servers: Vec<_> = self.servers.lock().iter().filter(|s| s.config.tsserver_project).cloned().collect();
+        for server in servers {
+            let extensions = server.effective_config().tsserver_project_extras.extensions;
+            let relevant = paths.iter().any(|p| {
+                p.extension()
+                    .and_then(|s| s.to_str())
+                    .is_some_and(|ext| is_source(ext) || extensions.iter().any(|e| e == ext))
+                    || p.file_name().is_some_and(|n| n == "tsconfig.json" || n == "jsconfig.json")
+            });
+            if !relevant {
+                continue;
+            }
            if server.external_refresh_queued.swap(true, Ordering::AcqRel) {
                continue;
            }
-            let (me, server) = (self.me.clone(), server.clone());
+            let me = self.me.clone();
            self.runtime.spawn(async move {
                tokio::time::sleep(REFRESH_DELAY).await;
                server.external_refresh_queued.store(false, Ordering::Release);
@@ -203,6 +230,36 @@ impl LspManager {
        }
    }

+    /// vtsls answers requests from its single-file syntax server until the semantic server
+    /// reports a project loaded or diagnostics; a project registered this way reports no
+    /// loading, so the first usage counts would all be zero. Until the diagnostics of an open
+    /// file arrive, the server is loading: empty answers are incomplete and asked again.
+    fn await_external_project(&self, server: &Arc<Server>, generation: u64, fallback: PathBuf) {
+        server.external_loading.store(generation, Ordering::Release);
+        server.set_loading(&self.sink, true);
+        let (me, server) = (self.me.clone(), server.clone());
+        self.runtime.spawn(async move {
+            // Documents are (re)opened once the instance is ready. An unopened file has no
+            // project in tsserver until one of its files is opened: no diagnostics come.
+            if let Some(run) = server.wait_ready(LOADING_LIMIT).await.filter(|r| r.generation == generation)
+                && let Some(file) = me.upgrade().map(|me| {
+                    me.docs
+                        .lock()
+                        .values()
+                        .find(|d| d.servers.iter().any(|a| a.server.id == server.id))
+                        .map_or(fallback, |d| d.path.clone())
+                })
+            {
+                send(&run, "geterr", json!({ "files": [file], "delay": 0 }), true, LOADING_LIMIT).await;
+            }
+            if server.external_loading.compare_exchange(generation, 0, Ordering::AcqRel, Ordering::Acquire).is_ok()
+                && let Some(me) = me.upgrade()
+            {
+                server.set_loading(&me.sink, false);
+            }
+        });
+    }
+
    pub(crate) async fn close_external_project(&self, server: &Server, run: &Running) {
        let mut state = server.external_project.lock().await;
        if state.generation == run.generation && !state.files.is_empty() {
@@ -241,17 +298,32 @@ mod tests {
        }
        std::fs::write(root.join(".gitignore"), "ignored/\n").unwrap();
        assert_eq!(
-            source_files(root, root, vec!["excluded".into()], LIMIT),
+            source_files(root, root, vec!["excluded".into()], &[], LIMIT),
            vec![root.join("a.ts"), root.join("src/b.js"), root.join("src/c.tsx")]
        );
-        assert!(source_files(root, root, vec![], 1).is_empty());
+        assert!(source_files(root, root, vec![], &[], 1).is_empty());
        std::fs::File::create(root.join("large.js")).unwrap().set_len(SCRIPT_BYTES_LIMIT + 1).unwrap();
-        assert!(source_files(root, root, vec![], LIMIT).is_empty());
+        assert!(source_files(root, root, vec![], &[], LIMIT).is_empty());
        std::fs::remove_file(root.join("large.js")).unwrap();
        std::fs::File::create(root.join("large.ts")).unwrap().set_len(SCRIPT_BYTES_LIMIT + 1).unwrap();
-        assert_eq!(source_files(root, root, vec!["excluded".into()], LIMIT).len(), 4);
+        assert_eq!(source_files(root, root, vec!["excluded".into()], &[], LIMIT).len(), 4);
        std::fs::remove_file(root.join("large.ts")).unwrap();
-        assert_eq!(source_files(&root.join("src"), root, vec![], LIMIT).len(), 2);
+        assert_eq!(source_files(&root.join("src"), root, vec![], &[], LIMIT).len(), 2);
+    }
+
+    #[test]
+    fn plugin_extensions_join_the_sources() {
+        let dir = tempfile::tempdir().unwrap();
+        for path in ["src/main.js", "src/App.vue", "src/page.svelte"] {
+            write(dir.path(), path);
+        }
+        assert_eq!(source_files(dir.path(), dir.path(), vec![], &[], LIMIT), vec![dir.path().join("src/main.js")]);
+        assert_eq!(
+            source_files(dir.path(), dir.path(), vec![], &["vue".into()], LIMIT),
+            vec![dir.path().join("src/App.vue"), dir.path().join("src/main.js")]
+        );
+        std::fs::File::create(dir.path().join("src/Big.vue")).unwrap().set_len(SCRIPT_BYTES_LIMIT + 1).unwrap();
+        assert!(source_files(dir.path(), dir.path(), vec![], &["vue".into()], LIMIT).is_empty());
    }

    #[test]
@@ -261,13 +333,13 @@ mod tests {
            let root = dir.path();
            write(root, "a.ts");
            write(root, "pkg/b.js");
-            assert_eq!(source_files(root, root, vec![], LIMIT).len(), 2);
+            assert_eq!(source_files(root, root, vec![], &[], LIMIT).len(), 2);
            write(root, &format!("pkg/{name}"));
-            assert!(source_files(root, root, vec![], LIMIT).is_empty());
+            assert!(source_files(root, root, vec![], &[], LIMIT).is_empty());
            std::fs::remove_file(root.join("pkg").join(name)).unwrap();
            write(root, name);
-            assert!(source_files(root, root, vec![], LIMIT).is_empty());
-            assert!(source_files(&root.join("pkg"), root, vec![], LIMIT).is_empty());
+            assert!(source_files(root, root, vec![], &[], LIMIT).is_empty());
+            assert!(source_files(&root.join("pkg"), root, vec![], &[], LIMIT).is_empty());
        }
    }

@@ -275,12 +347,12 @@ mod tests {
    fn additions_deletions_and_renames_change_membership() {
        let dir = tempfile::tempdir().unwrap();
        write(dir.path(), "a.js");
-        let first = source_files(dir.path(), dir.path(), vec![], LIMIT);
+        let first = source_files(dir.path(), dir.path(), vec![], &[], LIMIT);
        write(dir.path(), "b.ts");
-        assert_eq!(source_files(dir.path(), dir.path(), vec![], LIMIT).len(), 2);
+        assert_eq!(source_files(dir.path(), dir.path(), vec![], &[], LIMIT).len(), 2);
        std::fs::rename(dir.path().join("b.ts"), dir.path().join("b.txt")).unwrap();
-        assert_eq!(source_files(dir.path(), dir.path(), vec![], LIMIT), first);
+        assert_eq!(source_files(dir.path(), dir.path(), vec![], &[], LIMIT), first);
        std::fs::remove_file(dir.path().join("a.js")).unwrap();
-        assert!(source_files(dir.path(), dir.path(), vec![], LIMIT).is_empty());
+        assert!(source_files(dir.path(), dir.path(), vec![], &[], LIMIT).is_empty());
    }
 }
@@ -327,6 +327,36 @@ impl LspManager {
        Ok(changed)
    }

+    /// Start Java in trusted build-root projects during idle startup, so configuration
+    /// navigation can warm after import even when no Java editor has been opened.
+    pub fn prewarm_java_configuration(self: &Arc<Self>) {
+        let weak = Arc::downgrade(self);
+        self.runtime.spawn(async move {
+            tokio::time::sleep(Duration::from_secs(2)).await;
+            let Some(mgr) = weak.upgrade() else { return };
+            if mgr.shutting_down.load(std::sync::atomic::Ordering::Acquire)
+                || !mgr.execution_allowed.load(std::sync::atomic::Ordering::Acquire)
+            {
+                return;
+            }
+            let root = mgr.project_root.clone();
+            let java_project = tokio::task::spawn_blocking(move || {
+                ["pom.xml", "build.gradle", "build.gradle.kts", ".classpath"]
+                    .iter()
+                    .any(|name| root.join(name).is_file())
+            })
+            .await
+            .unwrap_or(false);
+            if java_project {
+                for server in mgr.servers_for(&LanguageId::new("java"), &mgr.project_root) {
+                    if server.name == SERVER {
+                        mgr.ensure_started(&server);
+                    }
+                }
+            }
+        });
+    }
+
    pub(crate) fn java_import_ready(self: &Arc<Self>, server: Arc<Server>, generation: u64) {
        let mgr = self.clone();
        self.runtime.spawn(async move {
@@ -334,6 +364,32 @@ impl LspManager {
            if let Err(e) = mgr.java_configure_compiler(&server, &run).await {
                tracing::warn!("jdtls: cannot apply compiler defaults: {e}");
            }
+            // The extension only queues bounded, low-priority work; this request
+            // never waits for the configuration index itself to be built.
+            const WARMUP: &str = "openidea.java.configuration.warmup";
+            if server.running_gen(generation).is_some()
+                && run.caps.read().commands().iter().any(|command| command == WARMUP)
+            {
+                let preferred: Vec<_> = mgr
+                    .docs
+                    .lock()
+                    .values()
+                    .filter(|doc| matches!(doc.language.as_str(), "yaml" | "properties"))
+                    .map(|doc| doc.uri.to_string())
+                    .collect();
+                let result = tokio::time::timeout(
+                    Duration::from_secs(5),
+                    run.peer.request::<_, Value>(
+                        "workspace/executeCommand",
+                        json!({"command": WARMUP, "arguments": ["start", preferred]}),
+                        None,
+                    ),
+                )
+                .await;
+                if !matches!(result, Ok(Ok(_))) {
+                    tracing::debug!("jdtls: configuration warmup unavailable; retaining on-demand navigation");
+                }
+            }
        });
    }

@@ -758,7 +814,7 @@ mod tests {
        for wrapped in [false, true] {
            let mut cfg = java_config();
            let settings = json!({"java": {"project": {"referencedLibraries": ["vendor/*.jar"]}}});
-            cfg.settings = Some(if wrapped { json!({"settings": settings}) } else { settings });
+            cfg.settings = Some(if wrapped { json!({ "settings": settings }) } else { settings });
            configure_source_paths(&mut cfg, Some(vec!["custom".into()]));
            let settings = crate::handler::all_settings(&cfg);
            assert_eq!(settings["java"]["project"]["referencedLibraries"], json!(["vendor/*.jar"]));
@@ -315,6 +315,30 @@ async fn library_sources(snap: &DocSnap, pos: Pos, locs: Vec<Location>) -> Vec<L
    .unwrap_or_default()
 }

+const JAVA_IMPLEMENTATIONS: &str = "openidea.java.implementations";
+
+/// The answer of [`JAVA_IMPLEMENTATIONS`]: `complete` when the type is declared in the
+/// sources, so no dependency can implement it.
+#[derive(serde::Deserialize)]
+struct SourceImplementations {
+    locations: Vec<lsp::Location>,
+    complete: bool,
+}
+
+/// Receives the implementations found so far, before a slower search for the rest.
+type Partial<'a> = Option<&'a (dyn Fn(Vec<Location>) + Send + Sync)>;
+
+/// Receives the references found so far, before a slower search for the rest.
+pub type PartialReferences<'a> = Option<&'a (dyn Fn(References) + Send + Sync)>;
+
+/// `first`, then those of `more` not in it (same file and start).
+fn merge_locations(first: Vec<Location>, more: Vec<Location>) -> Vec<Location> {
+    let mut seen: HashSet<(PathBuf, Pos)> = first.iter().map(|l| (l.path.to_path_buf(), l.range.start)).collect();
+    let mut out = first;
+    out.extend(more.into_iter().filter(|l| seen.insert((l.path.to_path_buf(), l.range.start))));
+    out
+}
+
 fn goto_method(kind: GotoKind) -> (&'static str, &'static str, &'static str) {
    match kind {
        GotoKind::Definition => ("textDocument/definition", "definitionProvider", "go to definition"),
@@ -773,6 +797,9 @@ impl LspManager {
        if server.name == "gopls" {
            params["capabilities"]["experimental"]["interactiveResolve"] = json!({ "inputTypes": ["string"] });
        }
+        if server.name == "csharp-ls" {
+            params["capabilities"]["experimental"]["csharp"]["metadataUris"] = json!(true);
+        }
        if !init_options.is_null() {
            params["initializationOptions"] = init_options;
        }
@@ -1068,7 +1095,15 @@ impl LspManager {
        cancel: Option<&CancellationToken>,
        timeout: Duration,
    ) -> IdeResult<R> {
-        let fut = t.run.peer.request::<P, R>(method, params, cancel.cloned());
+        let fut = async {
+            if t.server.name == "csharp-ls" {
+                let mut value = t.run.peer.request::<P, Value>(method, params, cancel.cloned()).await?;
+                virtual_doc::normalize_csharp_uris(&mut value);
+                serde_json::from_value(value).map_err(|e| RpcError::Protocol(format!("{method}: {e}")))
+            } else {
+                t.run.peer.request::<P, R>(method, params, cancel.cloned()).await
+            }
+        };
        match tokio::time::timeout(timeout, fut).await {
            Ok(r) => r.map_err(|e| rpc_err(&t.server.name, method, e)),
            Err(_) => Err(rpc_err(&t.server.name, method, RpcError::Timeout)),
@@ -1229,7 +1264,22 @@ impl LspManager {
        }
        let (method, cap, feature) = goto_method(kind);
        let (snap, targets) = self.doc_targets(doc, feature, |c| c.has(cap)).await?;
-        self.goto_in(&snap, &targets, method, pos, None).await
+        self.goto_in(&snap, &targets, method, pos, None, None).await
+    }
+
+    /// Go to Implementation, with the implementations found first passed to `partial` while
+    /// the search goes on: jdtls answers from the project's sources quickly, then searches every
+    /// dependency jar for a type declared in one. Returns them all, the first ones first.
+    pub async fn goto_implementation(
+        &self,
+        doc: DocId,
+        pos: Pos,
+        cancel: CancellationToken,
+        partial: &(dyn Fn(Vec<Location>) + Send + Sync),
+    ) -> IdeResult<Vec<Location>> {
+        let (method, cap, feature) = goto_method(GotoKind::Implementation);
+        let (snap, targets) = self.doc_targets(doc, feature, |c| c.has(cap)).await?;
+        self.goto_in(&snap, &targets, method, pos, Some(&cancel), Some(partial)).await
    }

    /// Implementations of the symbols at each of `positions` (gutter line
@@ -1246,7 +1296,7 @@ impl LspManager {
        let (snap, targets) = self.doc_targets(doc, feature, |c| c.has(cap)).await?;
        let requests = positions.iter().copied().map(|pos| {
            let (snap, targets, cancel) = (&snap, &targets, &cancel);
-            async move { self.goto_in(snap, targets, method, pos, Some(cancel)).await }
+            async move { self.goto_in(snap, targets, method, pos, Some(cancel), None).await }
        });
        let results: Vec<IdeResult<Vec<Location>>> =
            futures::stream::iter(requests).buffered(IMPLEMENTATION_CONCURRENCY).collect().await;
@@ -1259,6 +1309,46 @@ impl LspManager {
        Ok(results.into_iter().map(Result::unwrap_or_default).collect())
    }

+    /// jdtls: the implementations in the project's sources (`openidea.java.implementations`),
+    /// and whether they are all there are. Its standard request builds the type hierarchy over
+    /// every dependency jar too, which takes long in a project with many dependencies.
+    async fn java_source_implementations(
+        &self,
+        snap: &DocSnap,
+        t: &Target,
+        pos: Pos,
+        cancel: Option<&CancellationToken>,
+    ) -> (Vec<Location>, bool) {
+        if t.server.name != "jdtls" || !t.caps().commands().iter().any(|c| c == JAVA_IMPLEMENTATIONS) {
+            return (Vec::new(), false);
+        }
+        let params = snap.pos_params(t, pos);
+        let arguments =
+            json!([params["textDocument"]["uri"], params["position"]["line"], params["position"]["character"]]);
+        let result: IdeResult<SourceImplementations> = self
+            .call(
+                t,
+                "workspace/executeCommand",
+                json!({ "command": JAVA_IMPLEMENTATIONS, "arguments": arguments }),
+                cancel,
+                DEFAULT_TIMEOUT,
+            )
+            .await;
+        match result {
+            Ok(found) => {
+                let locs =
+                    convert::goto_response(&self.conv(t.enc()), lsp::GotoDefinitionResponse::Array(found.locations));
+                let locs = library_sources(snap, pos, locs).await;
+                self.note_virtual(&t.server, locs.iter().map(|l| l.uri.as_deref()));
+                (locs, found.complete)
+            }
+            Err(e) => {
+                tracing::debug!("{JAVA_IMPLEMENTATIONS}: {}", e.message);
+                (Vec::new(), false)
+            }
+        }
+    }
+
    async fn goto_in(
        &self,
        snap: &DocSnap,
@@ -1266,9 +1356,30 @@ impl LspManager {
        method: &str,
        pos: Pos,
        cancel: Option<&CancellationToken>,
+        partial: Partial<'_>,
    ) -> IdeResult<Vec<Location>> {
        let mut out = Outcome::new();
        for t in targets.iter().filter(|t| snap.asks(t, pos)) {
+            // Found in the sources before the standard request searches the dependencies too.
+            let mut first = Vec::new();
+            if method == "textDocument/implementation" {
+                let (locs, complete) = self.java_source_implementations(snap, t, pos, cancel).await;
+                // A type declared in the sources has no implementations in the dependencies:
+                // none found there is the whole answer, without a type hierarchy over every jar.
+                if complete {
+                    if !locs.is_empty() {
+                        return Ok(locs);
+                    }
+                    out.value = Some(Vec::new());
+                    continue;
+                }
+                if let Some(partial) = partial
+                    && !locs.is_empty()
+                {
+                    partial(locs.clone());
+                    first = locs;
+                }
+            }
            let r = loading::while_loading(&t.server, cancel, loading::LOADING_WAIT, goto_is_empty, || {
                self.call::<_, Option<lsp::GotoDefinitionResponse>>(
                    t,
@@ -1284,12 +1395,19 @@ impl LspManager {
                    let locs = convert::goto_response(&self.conv(t.enc()), r);
                    let locs = library_sources(snap, pos, locs).await;
                    self.note_virtual(&t.server, locs.iter().map(|l| l.uri.as_deref()));
+                    let locs = merge_locations(first, locs);
                    if !locs.is_empty() {
                        return Ok(locs);
                    }
                    out.value = Some(Vec::new());
                }
+                Ok(None) if !first.is_empty() => return Ok(first),
                Ok(None) => out.value = Some(Vec::new()),
+                // Those shown stay valid when the rest can't be found.
+                Err(e) if !first.is_empty() && e.kind != ErrorKind::Cancelled => {
+                    tracing::debug!("go to implementation in the dependencies: {}", e.message);
+                    return Ok(first);
+                }
                Err(e) => out.fail(e),
            }
        }
@@ -1307,21 +1425,44 @@ impl LspManager {
        include_declaration: bool,
        project_wide: bool,
        cancel: CancellationToken,
+    ) -> IdeResult<References> {
+        self.references_streaming(doc, pos, include_declaration, project_wide, true, cancel, None).await
+    }
+
+    /// [`Self::references`]. Java: without `libraries`, only the workspace's sources are
+    /// searched (`libraries_skipped` when `project_wide`); with it and `project_wide`, those
+    /// found there arrive on `partial` before the dependencies and the JDK are searched.
+    #[allow(clippy::too_many_arguments)]
+    pub async fn references_streaming(
+        &self,
+        doc: DocId,
+        pos: Pos,
+        include_declaration: bool,
+        project_wide: bool,
+        libraries: bool,
+        cancel: CancellationToken,
+        partial: PartialReferences<'_>,
    ) -> IdeResult<References> {
        let snap = self.snapshot(doc)?;
-        // Scoped probes back code lenses and bulk analysis. Keep their native cost;
-        // configuration indexing is reserved for explicit, project-wide usages.
-        let configuration = if project_wide || snap.language.as_str() != "java" {
-            self.configuration_navigation(&snap, pos, true, include_declaration, &cancel).await?
-        } else {
-            None
-        };
        if snap.language.as_str() != "java"
-            && let Some(result) = configuration
+            && let Some(result) = self.configuration_navigation(&snap, pos, true, include_declaration, &cancel).await?
        {
            return Ok(result);
        }
-        let mut result = self.native_references(doc, pos, include_declaration, project_wide, cancel).await?;
+        // Scoped probes back code lenses and bulk analysis. Keep their native cost;
+        // configuration indexing is reserved for explicit, project-wide usages.
+        let configuration = async {
+            if project_wide && snap.language.as_str() == "java" {
+                self.configuration_navigation(&snap, pos, true, include_declaration, &cancel).await
+            } else {
+                Ok(None)
+            }
+        };
+        let native =
+            self.native_references(doc, pos, include_declaration, project_wide, libraries, cancel.clone(), partial);
+        let (configuration, result) = futures::join!(configuration, native);
+        let configuration = configuration?;
+        let mut result = result?;
        if let Some(configuration) = configuration {
            result.locations.extend(configuration.locations);
            result.incomplete = result.incomplete.or(configuration.incomplete);
@@ -1330,13 +1471,16 @@ impl LspManager {
        Ok(result)
    }

+    #[allow(clippy::too_many_arguments)]
    async fn native_references(
        &self,
        doc: DocId,
        pos: Pos,
        include_declaration: bool,
        project_wide: bool,
+        libraries: bool,
        cancel: CancellationToken,
+        partial: PartialReferences<'_>,
    ) -> IdeResult<References> {
        let (snap, targets) = self.doc_targets(doc, "find references", |c| c.has("referencesProvider")).await?;
        // The extension preserves method identity before JDT collapses references to locations.
@@ -1348,28 +1492,37 @@ impl LspManager {
            let classified = async {
                let t = &targets[0];
                let extension_error = Mutex::new(None);
-                let query = || async {
+                let (snap, cancel, extension_error) = (&snap, &cancel, &extension_error);
+                // `sources`: the workspace's source folders only, without dependency jars and the JDK.
+                let query = |sources: bool| async move {
                    if cancel.is_cancelled() || self.docs.lock().get(&doc).is_none_or(|d| d.version != snap.version) {
                        return Err(IdeError::cancelled());
                    }
                    let params = snap.pos_params(t, pos);
+                    let mut arguments = json!([
+                        params["textDocument"]["uri"],
+                        params["position"]["line"],
+                        params["position"]["character"],
+                        include_declaration
+                    ]);
+                    if sources {
+                        arguments.as_array_mut().expect("arguments").push(json!("sources"));
+                    }
                    #[derive(serde::Deserialize)]
                    struct JavaReference {
                        #[serde(default)]
                        access: Option<ReferenceAccess>,
                        location: lsp::Location,
                        kind: ReferenceKind,
+                        #[serde(default)]
+                        text: Option<String>,
                    }
                    let result: IdeResult<Vec<JavaReference>> = self
                        .call(
                            t,
                            "workspace/executeCommand",
-                            json!({
-                                "command": "openidea.java.usages",
-                                "arguments": [params["textDocument"]["uri"], params["position"]["line"],
-                                    params["position"]["character"], include_declaration]
-                            }),
-                            Some(&cancel),
+                            json!({ "command": "openidea.java.usages", "arguments": arguments }),
+                            Some(cancel),
                            LONG_TIMEOUT,
                        )
                        .await;
@@ -1388,6 +1541,7 @@ impl LspManager {
                                location,
                                kind: r.kind,
                                access: r.access,
+                                text: r.text,
                            })
                        })
                        .collect::<Vec<_>>())
@@ -1395,10 +1549,45 @@ impl LspManager {
                let files = |v: &Vec<ClassifiedReference>| {
                    v.iter().filter(|r| r.location.uri.is_none()).map(|r| r.location.path.to_path_buf()).collect()
                };
+                let mut libraries_skipped = false;
                let widened = if project_wide {
-                    self.widened(&snap, t, pos, &cancel, query, files).await?
+                    // A library method has thousands of usages in the dependencies and the JDK,
+                    // which take seconds to search: those in the sources (where scope widening
+                    // searches again) are shown first, then the rest are searched once.
+                    let sources = self.widened(snap, t, pos, cancel, || query(true), files).await?;
+                    if let Some(e) = extension_error.lock().take() {
+                        return Err(e);
+                    }
+                    let mut seen = std::collections::HashSet::new();
+                    let found: Vec<_> = sources
+                        .second
+                        .into_iter()
+                        .flatten()
+                        .chain(sources.first)
+                        .filter(|r| seen.insert(r.location.clone()))
+                        .collect();
+                    let all = if !libraries {
+                        libraries_skipped = true;
+                        Vec::new()
+                    } else {
+                        if let Some(partial) = partial
+                            && !found.is_empty()
+                        {
+                            partial(References {
+                                locations: found.iter().map(|r| r.location.clone()).collect(),
+                                classified: found.clone(),
+                                incomplete: sources.incomplete,
+                                libraries_skipped: false,
+                            });
+                        }
+                        query(false).await?
+                    };
+                    scope::Widened { first: all, second: Some(found), incomplete: sources.incomplete }
                } else {
-                    let first = query().await?;
+                    // Bulk probes (usage counts, Safe Delete) ask about the sources' own symbols,
+                    // which no dependency uses: searching every jar and the JDK only adds seconds
+                    // per symbol and delays the searches the user asks for.
+                    let first = query(!libraries).await?;
                    let empty = first.is_empty();
                    scope::Widened::only(first, empty, &t.server)
                };
@@ -1407,7 +1596,7 @@ impl LspManager {
                    return Err(IdeError::cancelled());
                }
                // Scope widening can retain the first answer after a failed second query.
-                if let Some(e) = extension_error.into_inner() {
+                if let Some(e) = extension_error.lock().take() {
                    return Err(e);
                }
                let mut seen = std::collections::HashSet::new();
@@ -1421,7 +1610,7 @@ impl LspManager {
                    .collect();
                let locations: Vec<Location> = classified.iter().map(|r| r.location.clone()).collect();
                self.note_virtual(&t.server, locations.iter().map(|l| l.uri.as_deref()));
-                Ok(References { locations, classified, incomplete: widened.incomplete })
+                Ok(References { locations, classified, incomplete: widened.incomplete, libraries_skipped })
            }
            .await;
            match classified {
@@ -1473,7 +1662,9 @@ impl LspManager {
                return Vec::new();
            }
            let defining = self.ready_targets(&snap.servers, |c| c.has("definitionProvider")).await;
-            self.goto_in(&snap, &defining, "textDocument/definition", pos, Some(&cancel)).await.unwrap_or_default()
+            self.goto_in(&snap, &defining, "textDocument/definition", pos, Some(&cancel), None)
+                .await
+                .unwrap_or_default()
        };
        let (results, declarations) = futures::join!(join_all(requests), declarations);
        let mut out = Outcome::new();
@@ -2459,7 +2650,14 @@ impl LspManager {
            };
            if let Some((entry, text)) = found {
                let title = entry.rsplit('/').next().unwrap_or(&entry).to_owned();
-                return Ok(self.store_virtual(uri, text, Some(title), &[], self.origin_server(uri).map(|s| s.id)));
+                return Ok(self.store_virtual(
+                    uri,
+                    text,
+                    Some(title),
+                    None,
+                    &[],
+                    self.origin_server(uri).map(|s| s.id),
+                ));
            }
        }
        let class_file = scheme == "jdt" || (scheme == "file" && uri.ends_with(".class"));
@@ -2470,6 +2668,7 @@ impl LspManager {
        let mut error = None;
        for t in &targets {
            let languages = t.server.languages();
+            let mut description = None;
            let serves_scheme = t.caps().content_schemes().contains(&scheme);
            let result: IdeResult<Option<String>> = if serves_scheme && !class_file {
                self.call::<_, Option<Value>>(
@@ -2484,6 +2683,21 @@ impl LspManager {
            } else if class_file && languages.iter().any(|l| l.as_str() == "java") {
                self.call::<_, Option<String>>(t, "java/classFileContents", json!({ "uri": uri }), None, LONG_TIMEOUT)
                    .await
+            } else if scheme == "csharp" && t.server.name == "csharp-ls" {
+                self.call::<_, Option<virtual_doc::CSharpMetadata>>(
+                    t,
+                    "csharp/metadata",
+                    json!({ "textDocument": { "uri": uri } }),
+                    None,
+                    LONG_TIMEOUT,
+                )
+                .await
+                .map(|metadata| {
+                    metadata.map(|m| {
+                        description = m.assembly_name.filter(|name| !name.is_empty());
+                        m.source
+                    })
+                })
            } else if jar_class && t.caps().commands().iter().any(|c| c == "decompile") {
                // The official Kotlin LSP: `decompile` answers `{ code, language }`.
                self.call::<_, Option<Value>>(
@@ -2514,7 +2728,7 @@ impl LspManager {
                    continue;
                }
            };
-            return Ok(self.store_virtual(uri, text, None, &languages, Some(t.server.id)));
+            return Ok(self.store_virtual(uri, text, None, description, &languages, Some(t.server.id)));
        }
        if jar_class && error.is_none() {
            return Err(IdeError::not_found(format!(
@@ -2531,10 +2745,15 @@ impl LspManager {
        uri: &str,
        text: String,
        title: Option<String>,
+        description: Option<String>,
        languages: &[LanguageId],
        server: Option<ide_core::ServerId>,
    ) -> VirtualDocument {
-        let decompiled = virtual_doc::is_decompiled(&text);
+        let decompiled = if virtual_doc::scheme(uri) == "csharp" {
+            virtual_doc::is_csharp_decompiled(uri)
+        } else {
+            virtual_doc::is_decompiled(&text)
+        };
        let title = title.unwrap_or_else(|| virtual_doc::title(uri, decompiled));
        let detected = self.languages.detect(Path::new(&title), None);
        let language_id = if detected == LanguageId::plain_text() {
@@ -2547,7 +2766,7 @@ impl LspManager {
            text,
            language_id,
            title,
-            description: virtual_doc::description(uri),
+            description: description.or_else(|| virtual_doc::description(uri)),
            decompiled,
        };
        if let Some(server) = server {
@@ -5,7 +5,7 @@
 //! and shown together.

 use crate::server::{Running, Server};
-use crate::{LspManager, convert};
+use crate::{LspManager, convert, virtual_doc};
 use ide_core::{DocId, IdeEvent};
 use ide_jsonrpc::RpcError;
 use lsp_types as lsp;
@@ -43,6 +43,10 @@ impl LspManager {
        let targets: Vec<PullTarget> = {
            let docs = self.docs.lock();
            let Some(d) = docs.get(&doc) else { return };
+            // Decompiled C# is a source view, not compilable project code (e.g. Unity's older language version).
+            if virtual_doc::is_csharp_decompiled(d.uri.as_str()) {
+                return;
+            }
            d.servers
                .iter()
                .filter(|a| only.is_none_or(|s| s.id == a.server.id))
@@ -121,6 +121,9 @@ pub struct Server {
    pub external_project: tokio::sync::Mutex<crate::external_project::State>,
    pub external_diagnostics: std::sync::atomic::AtomicBool,
    pub external_refresh_queued: std::sync::atomic::AtomicBool,
+    /// The instance whose just registered external project is loading, until an open file's
+    /// diagnostics arrive (0: none).
+    pub external_loading: std::sync::atomic::AtomicU64,
 }

 impl Server {
@@ -157,6 +160,7 @@ impl Server {
            external_project: tokio::sync::Mutex::new(Default::default()),
            external_diagnostics: std::sync::atomic::AtomicBool::new(false),
            external_refresh_queued: std::sync::atomic::AtomicBool::new(false),
+            external_loading: std::sync::atomic::AtomicU64::new(0),
        }
    }

@@ -412,7 +416,8 @@ impl Server {
        *self.loading.lock() == Some(true)
    }

-    /// Records `experimental/serverStatus`: `quiescent` false while the project loads.
+    /// Records `experimental/serverStatus`: `quiescent` false while the project loads (also
+    /// set while vtsls loads an external project, see `external_project`).
    pub fn set_loading(&self, sink: &SharedSink, loading: bool) {
        if self.loading.lock().replace(loading) == Some(loading) {
            return;
@@ -533,6 +538,7 @@ impl Server {

    pub fn take_progress(&self) -> Vec<(TaskId, String)> {
        *self.loading.lock() = None;
+        self.external_loading.store(0, std::sync::atomic::Ordering::Release);
        self.progress.lock().drain().map(|(_, p)| (p.task, p.title)).collect()
    }

@@ -380,6 +380,10 @@ pub struct References {
    pub classified: Vec<ClassifiedReference>,
    pub locations: Vec<Location>,
    pub incomplete: Option<ReferencesIncomplete>,
+    /// The dependencies and the JDK were not searched (asked for without `libraries`).
+    #[serde(default)]
+    #[specta(optional)]
+    pub libraries_skipped: bool,
 }

 #[derive(Clone, Debug, Default, Serialize, Deserialize, Type)]
@@ -503,4 +507,8 @@ pub struct ClassifiedReference {
    pub access: Option<ReferenceAccess>,
    pub location: Location,
    pub kind: ReferenceKind,
+    /// The usage's line, when the server has it at hand (a library class's).
+    #[serde(default)]
+    #[specta(optional)]
+    pub text: Option<String>,
 }
@@ -2,7 +2,68 @@
 //! URI (library classes from `jdt://`, disk classes from `file://`, or
 //! `workspace/textDocumentContent`).

-use percent_encoding::percent_decode_str;
+use percent_encoding::{AsciiSet, CONTROLS, percent_decode_str, utf8_percent_encode};
+
+const URI_ESCAPES: &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'}');
+
+/// csharp-ls uses .NET Uri.ToString(), which can leave spaces and Unicode unescaped.
+/// Normalize only document URI fields, before lsp-types' strict URI deserialization.
+pub(crate) fn normalize_csharp_uris(value: &mut serde_json::Value) {
+    match value {
+        serde_json::Value::Array(values) => values.iter_mut().for_each(normalize_csharp_uris),
+        serde_json::Value::Object(fields) => {
+            for (key, value) in fields {
+                // Opaque payloads must survive resolve/execute round trips unchanged.
+                if matches!(key.as_str(), "data" | "arguments") {
+                    continue;
+                }
+                if matches!(key.as_str(), "uri" | "targetUri")
+                    && let Some(uri) = value.as_str().filter(|s| s.starts_with("csharp:"))
+                {
+                    *value = utf8_percent_encode(uri, URI_ESCAPES).to_string().into();
+                } else {
+                    normalize_csharp_uris(value);
+                }
+            }
+        }
+        _ => {}
+    }
+}
+
+#[derive(serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub(crate) struct CSharpMetadata {
+    pub source: String,
+    pub assembly_name: Option<String>,
+}
+
+/// csharp-ls serves both decompiled and source-generated documents through metadata.
+pub(crate) fn is_csharp_decompiled(uri: &str) -> bool {
+    if scheme(uri) != "csharp" {
+        return false;
+    }
+    let segs = segments(uri);
+    // The kind follows the project file, not a directory that happens to have this name.
+    if let Some(kind) = segs.windows(2).find_map(|s| {
+        (s[0].ends_with(".csproj") && matches!(s[1].as_str(), "decompiled" | "generated")).then_some(s[1].as_str())
+    }) {
+        return kind == "decompiled";
+    }
+    // Older csharp-ls versions used csharp:/metadata/... for decompiled symbols.
+    segs.first().is_some_and(|s| s == "metadata")
+}

 /// Recognize decompiler headers, without treating disassembler stubs as Java source.
 pub fn is_decompiled(text: &str) -> bool {
@@ -107,6 +168,48 @@ mod tests {

    const JDT: &str = "jdt://contents/spring-boot-4.1.1.jar/org.springframework.boot/SpringApplication.class?=spring-demo/%5C/Users%5C/me%5C/.m2%5C/repository%5C/spring-boot-4.1.1.jar%3Corg.springframework.boot%28SpringApplication.class";

+    #[test]
+    fn csharp_metadata_titles_and_kinds() {
+        for (uri, expected) in [
+            ("csharp:/D:/My%20Game/Game.csproj/decompiled/UnityEngine.MonoBehaviour.cs", true),
+            ("csharp:/home/me/%E9%A1%B9%E7%9B%AE/App.csproj/decompiled/System.String.cs", true),
+            ("csharp:/metadata/projects/App/assemblies/System.Runtime/symbols/System.String.cs", true),
+            ("csharp:/work/App.csproj/generated/Generator/Player.g.cs", false),
+            ("csharp:/work/decompiled/App.csproj/generated/Generator/Player.g.cs", false),
+            ("csharp:/metadata/App.csproj/generated/Player.g.cs", false),
+            ("csharp:/work/App.csproj/generated/decompiled/Player.g.cs", false),
+            ("file:///work/App.csproj/decompiled/Player.cs", false),
+        ] {
+            assert_eq!(is_csharp_decompiled(uri), expected, "{uri}");
+        }
+        assert_eq!(
+            title("csharp:/D:/My%20Game/Game.csproj/decompiled/UnityEngine.MonoBehaviour.cs", true),
+            "UnityEngine.MonoBehaviour.cs"
+        );
+        assert_eq!(title("csharp:/home/me/App.csproj/decompiled/Example.%E7%B1%BB.cs", true), "Example.类.cs");
+    }
+
+    #[test]
+    fn csharp_uri_encoding_preserves_escapes_and_other_response_fields() {
+        let uri = "csharp:/D:/My Game/项目 [1]/App%23%25.csproj/decompiled/Example.C%601.cs";
+        let encoded = "csharp:/D:/My%20Game/%E9%A1%B9%E7%9B%AE%20%5B1%5D/App%23%25.csproj/decompiled/Example.C%601.cs";
+        let mut response = serde_json::json!([
+            { "uri": uri, "source": uri },
+            { "location": { "targetUri": uri } },
+            { "uri": encoded },
+            { "uri": "file:///D:/project/App.cs" },
+            { "uri": "jdt://contents/a.jar/p/C.class?=p/%5C/a.jar" },
+            { "data": { "uri": uri }, "command": { "arguments": [{ "targetUri": uri }] } }
+        ]);
+        let original = response.clone();
+        normalize_csharp_uris(&mut response);
+        assert_eq!(response[0]["uri"], encoded);
+        assert_eq!(response[0]["source"], uri);
+        assert_eq!(response[1]["location"]["targetUri"], encoded);
+        assert_eq!(response.as_array().unwrap()[2..], original.as_array().unwrap()[2..]);
+        assert!(encoded.parse::<lsp_types::Uri>().is_ok());
+    }
+
    #[test]
    fn jdt_titles() {
        assert_eq!(title(JDT, true), "SpringApplication.class");
@@ -238,6 +238,7 @@ fn server_cfg(name: &str) -> LanguageServerConfig {
        max_java: None,
        launch_error: None,
        tsserver_project: false,
+        tsserver_project_extras: Default::default(),
        resync_on_configuration: false,
        pinned: None,
    }
@@ -1672,6 +1673,18 @@ async fn library_classes_in_jars_open_as_their_source_or_decompiled() {
    assert_eq!(asked[0], json!({ "command": "decompile", "arguments": [thing] }));
 }

+#[tokio::test(flavor = "multi_thread")]
+async fn alternative_java_server_uses_lsp_without_jdt_commands() {
+    let h = harness_for("java", "java", &[("kmp-lsp", incremental_caps())], &[]);
+    let (doc, path) = h.open("Sample.java", "class Sample {}");
+    h.wait_status("kmp-lsp", ServerStatus::Ready).await;
+    assert!(h.mgr.hover(doc, Pos::new(0, 7), Default::default()).await.is_ok());
+    let error = h.mgr.java_debug_server(&path).await.unwrap_err();
+    assert_eq!(error.kind, ide_core::error::ErrorKind::Unavailable);
+    assert!(error.message.contains("jdtls"));
+    assert!(h.launcher.state("kmp-lsp").requested("workspace/executeCommand").is_empty());
+}
+
 #[tokio::test(flavor = "multi_thread")]
 async fn fallback_servers_only_run_when_the_preferred_one_is_missing() {
    // Preferred installed: the alternative is never started.
@@ -1804,6 +1817,79 @@ async fn implementations_per_position() {
    assert_eq!(err.kind, ide_core::error::ErrorKind::Cancelled);
 }

+#[tokio::test(flavor = "multi_thread")]
+async fn java_implementations_come_from_sources_first() {
+    let caps = json!({
+        "textDocumentSync": 1,
+        "implementationProvider": true,
+        "executeCommandProvider": { "commands": ["openidea.java.implementations"] },
+    });
+    let h = harness_for("java", "java", &[("jdtls", caps)], &[]);
+    let (doc, path) = h.open("Repo.java", "interface Repo {}\nclass A implements Repo {}\nclass B {}\nclass C {}\n");
+    h.wait_status("jdtls", ServerStatus::Ready).await;
+    let s = h.launcher.state("jdtls");
+    let uri = uri_of(&path);
+    let at = move |lines: &[u32]| {
+        lines
+            .iter()
+            .map(|&l| json!({ "uri": uri, "range": {"start":{"line":l,"character":6},"end":{"line":l,"character":7}} }))
+            .collect::<Value>()
+    };
+    *s.responder.lock() = Some(Arc::new(move |_, method, params| match method {
+        // Lines 0 and 1 are declared in the sources; 2 and 3 in a dependency, which implements 2 on line 3.
+        "workspace/executeCommand" => Some(match params["arguments"][1].as_u64() {
+            Some(0) => json!({ "locations": at(&[1]), "complete": true }),
+            Some(2) => json!({ "locations": at(&[1]), "complete": false }),
+            Some(3) => json!({ "locations": [], "complete": false }),
+            _ => json!({ "locations": [], "complete": true }),
+        }),
+        "textDocument/implementation" => Some(at(&[3, 1])),
+        _ => None,
+    }));
+    let lines = |locs: &[ide_core::Location]| locs.iter().map(|l| l.range.start.line).collect::<Vec<_>>();
+    let found = h.mgr.goto(doc, Pos::new(0, 10), GotoKind::Implementation).await.unwrap();
+    assert_eq!(lines(&found), vec![1]);
+    let markers = h.mgr.implementations(doc, &[Pos::new(0, 10)], Default::default()).await.unwrap();
+    assert_eq!(lines(&markers[0]), vec![1]);
+    assert!(s.requested("textDocument/implementation").is_empty(), "no search through the dependencies");
+    let asked = s.requested("workspace/executeCommand");
+    assert_eq!(asked[0]["command"], "openidea.java.implementations");
+    assert_eq!((asked[0]["arguments"][1].clone(), asked[0]["arguments"][2].clone()), (json!(0), json!(10)));
+
+    // A dependency's type: those in the sources first, then the dependencies' too.
+    let partial = Mutex::new(Vec::new());
+    let found = h
+        .mgr
+        .goto_implementation(doc, Pos::new(2, 6), Default::default(), &|locs| partial.lock().push(lines(&locs)))
+        .await
+        .unwrap();
+    assert_eq!(*partial.lock(), vec![vec![1]]);
+    assert_eq!(lines(&found), vec![1, 3]);
+    assert_eq!(s.requested("textDocument/implementation").len(), 1);
+    // Without a receiver for the first ones (gutter markers), just all of them.
+    let found = h.mgr.goto(doc, Pos::new(2, 6), GotoKind::Implementation).await.unwrap();
+    assert_eq!(lines(&found), vec![3, 1]);
+    assert_eq!(s.requested("textDocument/implementation").len(), 2);
+
+    // Declared in the sources and implemented nowhere there: no search through the dependencies.
+    let found = h.mgr.goto(doc, Pos::new(1, 6), GotoKind::Implementation).await.unwrap();
+    assert!(found.is_empty());
+    let markers = h.mgr.implementations(doc, &[Pos::new(1, 6)], Default::default()).await.unwrap();
+    assert!(markers[0].is_empty());
+    assert_eq!(s.requested("textDocument/implementation").len(), 2);
+
+    // None in the sources of a dependency's type: the standard request, with the dependencies.
+    let partial = Mutex::new(Vec::new());
+    let found = h
+        .mgr
+        .goto_implementation(doc, Pos::new(3, 6), Default::default(), &|locs| partial.lock().push(lines(&locs)))
+        .await
+        .unwrap();
+    assert!(partial.lock().is_empty());
+    assert_eq!(lines(&found), vec![3, 1]);
+    assert_eq!(s.requested("textDocument/implementation").len(), 3);
+}
+
 #[tokio::test(flavor = "multi_thread")]
 async fn navigation_rename_format_and_decorations() {
    let h = harness(&[("mock", incremental_caps())]);
@@ -2187,6 +2273,106 @@ async fn noop_handler_is_usable_for_raw_peers() {

 // ------------------------------------------------------------------ virtual documents

+#[tokio::test(flavor = "multi_thread")]
+async fn csharp_metadata_navigation_and_generated_documents() {
+    let mut caps = incremental_caps();
+    caps["diagnosticProvider"] = json!({ "interFileDependencies": false, "workspaceDiagnostics": false });
+    let h = harness_for("csharp", "cs", &[("other-csharp", incremental_caps()), ("csharp-ls", caps)], &[]);
+    let (doc, path) = h.open("Player.cs", "class Player : MonoBehaviour {}\n");
+    h.wait_status("other-csharp", ServerStatus::Ready).await;
+    h.wait_status("csharp-ls", ServerStatus::Ready).await;
+    let s = h.launcher.state("csharp-ls");
+    let other = h.launcher.state("other-csharp");
+    eventually(|| !s.requested("textDocument/diagnostic").is_empty()).await;
+    assert_eq!(s.requested("initialize")[0]["capabilities"]["experimental"]["csharp"]["metadataUris"], true);
+    assert!(other.requested("initialize")[0]["capabilities"]["experimental"]["csharp"].is_null());
+
+    let uri = "csharp:/D:/My%20Game/Game.csproj/decompiled/UnityEngine.MonoBehaviour.cs";
+    let text = "namespace UnityEngine;\npublic class MonoBehaviour {\n    public void CancelInvoke() {}\n}\n";
+    s.respond("csharp/metadata", json!({ "assemblyName": "UnityEngine.CoreModule", "source": text }));
+    // Both Location and LocationLink preserve the server's type/member selection.
+    for (response, range) in [
+        (
+            json!({ "uri": uri.replace("%20", " "), "range": {"start":{"line":1,"character":13},"end":{"line":1,"character":26}} }),
+            rng(1, 13, 1, 26),
+        ),
+        (
+            json!([{ "targetUri": uri, "targetRange": {"start":{"line":0,"character":0},"end":{"line":3,"character":1}}, "targetSelectionRange": {"start":{"line":2,"character":16},"end":{"line":2,"character":28}} }]),
+            rng(2, 16, 2, 28),
+        ),
+    ] {
+        s.respond("textDocument/definition", response);
+        let defs = h.mgr.goto(doc, Pos::new(0, 16), GotoKind::Definition).await.unwrap();
+        assert_eq!(defs, vec![ide_core::Location { path: uri.into(), range, uri: Some(uri.into()) }]);
+        let vd = h.mgr.virtual_document(uri).await.unwrap();
+        assert_eq!(vd.text, text);
+        assert_eq!(vd.title, "UnityEngine.MonoBehaviour.cs");
+        assert_eq!(vd.language_id.as_str(), "csharp");
+        assert_eq!(vd.description.as_deref(), Some("UnityEngine.CoreModule"));
+        assert!(vd.decompiled);
+    }
+    assert_eq!(s.requested("csharp/metadata"), vec![json!({"textDocument":{"uri":uri}})]);
+    assert!(other.requested("csharp/metadata").is_empty());
+
+    let vdoc = DocId::next();
+    h.mgr.did_open_virtual(vdoc, uri, &h.lang, 0, text);
+    eventually(|| s.docs.lock().contains_key(uri)).await;
+    s.respond("textDocument/hover", json!({"contents":"class MonoBehaviour"}));
+    h.mgr.hover(vdoc, Pos::new(1, 13), Default::default()).await.unwrap();
+    assert_eq!(s.requested("textDocument/hover").last().unwrap()["textDocument"]["uri"], uri);
+    assert!(other.requested("textDocument/hover").is_empty());
+    h.mgr.did_close(vdoc);
+    eventually(|| !s.docs.lock().contains_key(uri)).await;
+    assert!(s.notified("textDocument/didChange").is_empty());
+
+    // Generated sources use the same request but are not decompiled, even under a directory named decompiled.
+    let generated = "csharp:/work/decompiled/Game.csproj/generated/Generator/Player.g.cs";
+    s.respond("csharp/metadata", json!({"source":"partial class Player {}"}));
+    let vd = h.mgr.virtual_document(generated).await.unwrap();
+    assert_eq!(vd.title, "Player.g.cs");
+    assert_eq!(vd.language_id.as_str(), "csharp");
+    assert!(vd.description.is_none());
+    assert!(!vd.decompiled);
+    // Generated and ordinary source still get diagnostics; decompiled assemblies do not.
+    let generated_doc = DocId::next();
+    h.mgr.did_open_virtual(generated_doc, generated, &vd.language_id, 0, &vd.text);
+    eventually(|| s.requested("textDocument/diagnostic").iter().any(|p| p["textDocument"]["uri"] == generated)).await;
+    assert!(s.requested("textDocument/diagnostic").iter().all(|p| p["textDocument"]["uri"] != uri));
+    h.mgr.did_close(generated_doc);
+
+    // Ordinary definitions still resolve to a disk path.
+    s.respond(
+        "textDocument/definition",
+        json!({"uri":uri_of(&path),"range":{"start":{"line":0,"character":6},"end":{"line":0,"character":12}}}),
+    );
+    let defs = h.mgr.goto(doc, Pos::new(0, 6), GotoKind::Definition).await.unwrap();
+    assert_eq!(defs[0].path, path);
+    assert!(defs[0].uri.is_none());
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn csharp_metadata_failures_can_be_retried() {
+    let h = harness_for("csharp", "cs", &[("csharp-ls", incremental_caps())], &[]);
+    h.open("App.cs", "class App {}\n");
+    h.wait_status("csharp-ls", ServerStatus::Ready).await;
+    let s = h.launcher.state("csharp-ls");
+    let uri = "csharp:/work/App.csproj/decompiled/System.String.cs";
+    for response in [Value::Null, json!({"source":""})] {
+        s.respond("csharp/metadata", response);
+        let err = h.mgr.virtual_document(uri).await.unwrap_err();
+        assert_eq!(err.kind, ide_core::error::ErrorKind::NotFound);
+        assert!(err.message.contains("System.String.cs"));
+    }
+    s.errors.lock().insert("csharp/metadata".into(), (-32603, "decompilation failed".into()));
+    assert!(h.mgr.virtual_document(uri).await.unwrap_err().message.contains("decompilation failed"));
+    s.errors.lock().remove("csharp/metadata");
+    s.respond("csharp/metadata", json!({"source":"public class String {}", "assemblyName":""}));
+    let vd = h.mgr.virtual_document(uri).await.unwrap();
+    assert!(vd.decompiled);
+    assert!(vd.description.is_none());
+    assert_eq!(s.requested("csharp/metadata").len(), 4);
+}
+
 #[tokio::test(flavor = "multi_thread")]
 async fn virtual_locations_and_text_document_content() {
    let mut caps = incremental_caps();
@@ -2312,7 +2498,7 @@ async fn class_file_opening_routes_sources_and_binary_documents() {
    let source = sources.join("p/Outer.java");
    std::fs::write(&source, "package p; class Outer {} ").unwrap();
    s.respond("java/classFileContents", json!("// Source code is decompiled from a .class file using FernFlower decompiler (from Intellij IDEA).\npackage p;\npublic class Outer {}"));
-    s.respond("workspace/executeCommand", json!({"org.eclipse.jdt.ls.core.sourcePaths":[sources]}));
+    s.respond("workspace/executeCommand", json!({ "org.eclipse.jdt.ls.core.sourcePaths": [sources] }));
    for class in ["Outer", "Outer$Nested", "Outer$1"] {
        let path = h.root.join(format!("target/classes/p/{class}.class"));
        let resolved = h.mgr.java_class_file(&path, None).await.unwrap();
@@ -2817,7 +3003,8 @@ async fn classified_java_references_widen_without_losing_metadata() {
    assert!(refs.classified.iter().all(|r| matches!(r.access, Some(ReferenceAccess::ReadWrite))));
    assert!(refs.classified.iter().all(|r| matches!(r.kind, ReferenceKind::Field)));
    assert_eq!(refs.incomplete, None);
-    assert_eq!(s.requested("workspace/executeCommand").len(), 3);
+    // Scoped; then the sources, widened; then the dependencies too.
+    assert_eq!(s.requested("workspace/executeCommand").len(), 4);
    assert!(s.requested("textDocument/references").is_empty());
    eventually(|| uris(&s.notified("textDocument/didClose")) == vec![uri_of(&b)]).await;
    for limit_hit in [true, false] {
@@ -2835,6 +3022,105 @@ async fn classified_java_references_widen_without_losing_metadata() {
    }
 }

+/// A library method's usages in the sources are shown before the dependencies and the JDK
+/// are searched, which takes seconds; scope widening searches the sources alone again.
+#[tokio::test(flavor = "multi_thread")]
+async fn java_usages_in_the_sources_arrive_before_the_dependencies() {
+    let mut caps = incremental_caps();
+    caps["executeCommandProvider"] = json!({"commands": ["openidea.java.usages"]});
+    let h = harness_for("java", "java", &[("jdtls", caps)], &[]);
+    let s = h.launcher.state("jdtls");
+    let library = json!({"uri": "jdt://contents/lib.jar/lib/Lib.class", "range": {
+        "start": {"line": 3, "character": 4}, "end": {"line": 3, "character": 10}}});
+    *s.responder.lock() = Some(Arc::new(move |s, method, params| {
+        (method == "workspace/executeCommand").then(|| {
+            let sources = params["arguments"].get(4) == Some(&json!("sources"));
+            let mut rows: Vec<Value> = s
+                .docs
+                .lock()
+                .iter()
+                .flat_map(|(uri, text)| occurrences(uri, text))
+                .map(|location| json!({"location": location, "kind": "unknown"}))
+                .chain((!sources).then(|| json!({"location": library, "kind": "unknown", "text": "    target();"})))
+                .collect();
+            rows.reverse();
+            Value::Array(rows)
+        })
+    }));
+    let b = h.root.join("b.java");
+    std::fs::write(&b, "target();").unwrap();
+    grep_candidates(&h);
+    let (doc, a) = h.open("a.java", "int target;");
+    h.wait_status("jdtls", ServerStatus::Ready).await;
+    eventually(|| s.docs.lock().len() == 1).await;
+    let partials = Mutex::new(Vec::new());
+    let refs = h
+        .mgr
+        .references_streaming(
+            doc,
+            Pos::new(0, 5),
+            true,
+            true,
+            true,
+            Default::default(),
+            Some(&|r| partials.lock().push(r)),
+        )
+        .await
+        .unwrap();
+    let partials = partials.into_inner();
+    assert_eq!(partials.len(), 1);
+    let paths =
+        |r: &References| r.locations.iter().map(|l| (l.path.to_path_buf(), l.uri.is_some())).collect::<Vec<_>>();
+    let mut shown = paths(&partials[0]);
+    shown.sort();
+    assert_eq!(shown, [(a.clone(), false), (b.clone(), false)]);
+    assert_eq!(partials[0].classified.len(), 2);
+    // All of them, those in the sources first.
+    assert_eq!(refs.locations.len(), 3);
+    assert!(refs.locations[..2].iter().all(|l| l.uri.is_none()));
+    assert!(refs.locations[2].uri.is_some());
+    // The server gives a library class's line along.
+    let line = |r: &References| r.classified.iter().find(|c| c.location.uri.is_some()).and_then(|c| c.text.clone());
+    assert_eq!(line(&refs).as_deref(), Some("    target();"));
+    assert!(!refs.libraries_skipped);
+    let scopes: Vec<_> =
+        s.requested("workspace/executeCommand").iter().map(|p| p["arguments"].get(4).cloned()).collect();
+    assert_eq!(scopes, [Some(json!("sources")), Some(json!("sources")), None]);
+    // Without the libraries: the sources alone, widened, and no partial answer.
+    let partials = Mutex::new(Vec::new());
+    let project = h
+        .mgr
+        .references_streaming(
+            doc,
+            Pos::new(0, 5),
+            true,
+            true,
+            false,
+            Default::default(),
+            Some(&|r| partials.lock().push(r)),
+        )
+        .await
+        .unwrap();
+    assert!(partials.into_inner().is_empty());
+    assert!(project.libraries_skipped);
+    assert_eq!(project.locations.len(), 2);
+    assert!(project.locations.iter().all(|l| l.uri.is_none()));
+    let scopes: Vec<_> =
+        s.requested("workspace/executeCommand")[3..].iter().map(|p| p["arguments"].get(4).cloned()).collect();
+    assert_eq!(scopes, [Some(json!("sources")), Some(json!("sources"))]);
+    // Scoped probes with the libraries search everything at once.
+    let scoped = h.mgr.references(doc, Pos::new(0, 5), true, false, Default::default()).await.unwrap();
+    assert_eq!(scoped.locations.len(), 2);
+    // Usage counts and Safe Delete (no libraries): the sources alone, not widened.
+    let scoped =
+        h.mgr.references_streaming(doc, Pos::new(0, 5), true, false, false, Default::default(), None).await.unwrap();
+    assert_eq!(scoped.locations.len(), 1);
+    assert!(scoped.locations.iter().all(|l| l.uri.is_none()));
+    let scopes: Vec<_> =
+        s.requested("workspace/executeCommand")[5..].iter().map(|p| p["arguments"].get(4).cloned()).collect();
+    assert_eq!(scopes, [None, Some(json!("sources"))]);
+}
+
 #[tokio::test(flavor = "multi_thread")]
 async fn failed_java_command_falls_back_to_unclassified_native_references() {
    for project_wide in [false, true] {
@@ -3230,6 +3516,11 @@ async fn rename_edits_files_outside_the_analysis_scope() {
    eventually(|| uris(&s.notified("textDocument/didClose")) == vec![uri_of(&b)]).await;
 }

+/// tsserver project registrations sent through vtsls, without the `geterr` that follows the first.
+fn project_requests(s: &MockState) -> Vec<Value> {
+    s.requested("workspace/executeCommand").into_iter().filter(|r| r["arguments"][0] != "geterr").collect()
+}
+
 #[tokio::test]
 async fn external_projects_are_capability_gated_and_follow_lifecycle() {
    for capable in [false, true] {
@@ -3251,24 +3542,21 @@ async fn external_projects_are_capability_gated_and_follow_lifecycle() {
            assert!(s.requested("workspace/executeCommand").is_empty());
            continue;
        }
-        let requests = s.requested("workspace/executeCommand");
+        let requests = project_requests(&s);
        assert_eq!(requests[0]["arguments"][0], "openExternalProject");
        assert_eq!(requests[0]["arguments"][1]["rootFiles"].as_array().unwrap().len(), 2);
        assert_eq!(s.docs.lock().len(), 1, "registration must not open source documents");
        std::fs::write(h.root.join("new.ts"), "export const newHelper = 1;").unwrap();
        h.mgr.project_files_changed([&h.root.join("new.ts")]);
-        eventually(|| s.requested("workspace/executeCommand").len() >= 2).await;
-        assert_eq!(
-            s.requested("workspace/executeCommand")[1]["arguments"][1]["rootFiles"].as_array().unwrap().len(),
-            3
-        );
+        eventually(|| project_requests(&s).len() >= 2).await;
+        assert_eq!(project_requests(&s)[1]["arguments"][1]["rootFiles"].as_array().unwrap().len(), 3);
        std::fs::rename(h.root.join("new.ts"), h.root.join("renamed.ts")).unwrap();
        h.mgr.project_files_changed([&h.root.join("renamed.ts")]);
-        eventually(|| s.requested("workspace/executeCommand").len() >= 3).await;
-        assert!(s.requested("workspace/executeCommand")[2].to_string().contains("renamed.ts"));
+        eventually(|| project_requests(&s).len() >= 3).await;
+        assert!(project_requests(&s)[2].to_string().contains("renamed.ts"));
        std::fs::remove_file(h.root.join("renamed.ts")).unwrap();
        h.mgr.project_files_changed([&h.root.join("renamed.ts")]);
-        eventually(|| s.requested("workspace/executeCommand").len() >= 4).await;
+        eventually(|| project_requests(&s).len() >= 4).await;
        let id = h.mgr.servers()[0].id;
        h.mgr.restart(id).await.unwrap();
        h.wait_status("arbitrary-name", ServerStatus::Ready).await;
@@ -3294,6 +3582,55 @@ async fn external_projects_are_capability_gated_and_follow_lifecycle() {
    }
 }

+#[tokio::test]
+async fn external_projects_carry_plugin_files_and_module_aliases() {
+    let mut caps = incremental_caps();
+    caps["executeCommandProvider"] = json!({ "commands": ["typescript.tsserverRequest"] });
+    let h = harness_configured("vue", "vue", &[("vtsls", caps)], |cfg| {
+        cfg.tsserver_project = true;
+        cfg.tsserver_project_extras.extensions = vec!["vue".into()];
+        cfg.tsserver_project_extras.paths.insert("@/*".into(), vec!["/project/src/*".into()]);
+    });
+    let s = h.launcher.state("vtsls");
+    s.respond("workspace/executeCommand", json!({ "success": true, "body": true }));
+    s.respond("textDocument/references", json!([]));
+    // vtsls answers from one file until its project reports diagnostics: loading till then,
+    // so an empty usage count is not final.
+    let diagnostics = Arc::new(Gate::default());
+    let gate = diagnostics.clone();
+    *s.responder.lock() = Some(Arc::new(move |_, method, params| {
+        if method == "workspace/executeCommand" && params["arguments"][0] == "geterr" {
+            gate.hold();
+            return Some(Value::Null);
+        }
+        None
+    }));
+    std::fs::write(h.root.join("format.js"), "export const sum = 1;").unwrap();
+    let (doc, app) = h.open("App.vue", "<script>import { sum } from '@/format'</script>");
+    h.wait_status("vtsls", ServerStatus::Busy).await;
+    eventually(|| diagnostics.entered()).await;
+    let geterr = s.requested("workspace/executeCommand").into_iter().find(|r| r["arguments"][0] == "geterr").unwrap();
+    assert_eq!(geterr["arguments"][1]["files"], json!([app]), "an open file has a project in tsserver");
+    assert_eq!(geterr["arguments"][2]["isAsync"], true);
+    let refs = h.mgr.references(doc, Pos::new(0, 18), false, false, Default::default()).await.unwrap();
+    assert_eq!(refs.incomplete, Some(ReferencesIncomplete::Indexing));
+    diagnostics.open();
+    h.wait_status("vtsls", ServerStatus::Ready).await;
+    let refs = h.mgr.references(doc, Pos::new(0, 18), false, false, Default::default()).await.unwrap();
+    assert_eq!(refs.incomplete, None);
+    let requests = s.requested("workspace/executeCommand");
+    let args = &requests[0]["arguments"][1];
+    assert_eq!(requests[0]["arguments"][0], "openExternalProject");
+    assert_eq!(args["rootFiles"].as_array().unwrap().len(), 2, "{args}");
+    assert_eq!(args["options"]["paths"], json!({ "@/*": ["/project/src/*"] }));
+    std::fs::write(h.root.join("Cart.vue"), "<script></script>").unwrap();
+    h.mgr.project_files_changed([&h.root.join("Cart.vue")]);
+    eventually(|| project_requests(&s).len() >= 2).await;
+    assert!(project_requests(&s)[1].to_string().contains("Cart.vue"));
+    assert_eq!(s.requested("workspace/executeCommand").len(), 3, "geterr only after the first registration");
+    h.mgr.shutdown_all().await;
+}
+
 #[tokio::test(flavor = "multi_thread")]
 async fn gopls_interactive_command_validates_before_execution_and_applies_edits() {
    let mut caps = incremental_caps();
@@ -3329,7 +3666,7 @@ async fn gopls_interactive_command_validates_before_execution_and_applies_edits(
            let reply: Value = tokio::task::block_in_place(|| {
                tokio::runtime::Handle::current().block_on(s.peer().request(
                    "workspace/applyEdit",
-                    json!({"edit": edit}),
+                    json!({ "edit": edit }),
                    None,
                ))
            })
@@ -3614,6 +3951,54 @@ async fn configuration_extension_failure_preserves_native_java_navigation() {
    assert_eq!(s.requested("textDocument/definition").len(), 1);
 }

+#[tokio::test(flavor = "multi_thread")]
+async fn configuration_prewarm_starts_java_without_an_open_editor_and_waits_for_import() {
+    let mut caps = incremental_caps();
+    caps["executeCommandProvider"] = json!({"commands": ["openidea.java.configuration.warmup"]});
+    let h = harness_for("java", "java", &[("jdtls", caps)], &[]);
+    std::fs::write(h.root.join("pom.xml"), "<project/>").unwrap();
+    let s = h.launcher.state("jdtls");
+    h.mgr.prewarm_java_configuration();
+    h.mgr.prewarm_java_configuration();
+    h.wait_status("jdtls", ServerStatus::Ready).await;
+    assert_eq!(s.launches.load(Ordering::SeqCst), 1);
+    assert!(s.requested("workspace/executeCommand").is_empty());
+    let config = h.root.join("application.yml");
+    h.mgr.did_open(DocId::next(), &config, &LanguageId::new("yaml"), 1, "app: {}\n");
+    s.peer().notify("language/status", json!({"type": "ServiceReady"})).unwrap();
+    eventually(|| {
+        s.requested("workspace/executeCommand").iter().any(|p| p["command"] == "openidea.java.configuration.warmup")
+    })
+    .await;
+    let requests = s.requested("workspace/executeCommand");
+    let warmup = requests.iter().find(|p| p["command"] == "openidea.java.configuration.warmup").unwrap();
+    assert_eq!(warmup["arguments"], json!(["start", [uri_of(&config)]]));
+    assert!(s.notified("textDocument/didOpen").is_empty());
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn configuration_prewarm_respects_trust_shutdown_and_non_java_roots() {
+    let mut fixtures = Vec::new();
+    for mode in ["untrusted", "closed", "non-java"] {
+        let h = harness_for("java", "java", &[("jdtls", incremental_caps())], &[]);
+        if mode != "non-java" {
+            std::fs::write(h.root.join("pom.xml"), "<project/>").unwrap();
+        }
+        if mode == "untrusted" {
+            h.mgr.set_execution_allowed(false);
+        }
+        h.mgr.prewarm_java_configuration();
+        if mode == "closed" {
+            h.mgr.shutdown_all().await;
+        }
+        fixtures.push(h);
+    }
+    tokio::time::sleep(Duration::from_millis(2200)).await;
+    for h in fixtures {
+        assert_eq!(h.launcher.state("jdtls").launches.load(Ordering::SeqCst), 0);
+    }
+}
+
 /// The configuration command indexes the whole project, so Go to Definition (and
 /// every Ctrl+hover probe) consults it only inside a key argument; ordinary Java
 /// symbols in a Spring file go straight to JDT.