fix(host): Allow the Unix-only post-start test helpers on Windows

Co-Authored-By: Claude <[email protected]>
feat(settings): HTTP Proxy settings for the IDE's outgoing connections
2026-11-09 17:20:38 -10:00 · 2026-10-29 10:25:29 +08:00 · 2026-10-29 10:19:11 +08:00
1501 changed files with 8986 additions and 137485 deletions
@@ -1,69 +0,0 @@
-name: Bug report
-description: Something in OpenIDEA doesn't work as expected
-labels: [bug]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        Thanks for reporting! Keep logs and error messages exactly as they appear.
-
-        One problem per issue, please. If you have several, open one issue for each.
-  - type: checkboxes
-    id: checks
-    attributes:
-      label: Before you start
-      options:
-        - label: I searched [existing issues](https://github.com/l0ng-ai/openidea/issues?q=is%3Aissue) and this hasn't been reported yet.
-          required: true
-        - label: I'm on the [latest release](https://github.com/l0ng-ai/openidea/releases/latest), or I noted below that I can't update.
-          required: true
-  - type: textarea
-    id: environment
-    attributes:
-      label: Environment
-      description: |
-        Open **About OpenIDEA** (macOS: OpenIDEA menu; Windows/Linux: Help menu), click **Copy Info**, and paste it here. Also mention the project type if it matters (e.g. Gradle multi-module, Spring Boot, Go workspace) and whether you use remote development.
-      render: text
-      placeholder: |
-        About OpenIDEA
-        Version: 0.1.33
-        Build: ...
-        Platform: macOS aarch64
-    validations:
-      required: true
-  - type: textarea
-    id: steps
-    attributes:
-      label: Steps to reproduce
-      description: Start from opening OpenIDEA or a project. A small sample project or snippet helps a lot.
-      placeholder: |
-        1. Open a Gradle project whose settings.gradle includes modules in a loop
-        2. Open the Gradle tool window
-        3. ...
-    validations:
-      required: true
-  - type: textarea
-    id: expected
-    attributes:
-      label: Expected behavior
-    validations:
-      required: true
-  - type: textarea
-    id: actual
-    attributes:
-      label: Actual behavior
-      description: What happened instead. Screenshots or a recording are welcome.
-    validations:
-      required: true
-  - type: textarea
-    id: logs
-    attributes:
-      label: Logs
-      description: |
-        Use **Help → Show Log in Finder / Explorer / Files** to find `openidea.log` and paste the lines around the problem, or attach the file. Include console output or error messages too. Check for tokens or passwords before posting.
-      render: text
-  - type: textarea
-    id: extra
-    attributes:
-      label: Additional context
-      description: Anything else, such as whether it worked in an earlier version.
@@ -1,5 +0,0 @@
-blank_issues_enabled: false
-contact_links:
-  - name: Download the latest release
-    url: https://github.com/l0ng-ai/openidea/releases/latest
-    about: Many problems are already fixed. Please check the latest version before reporting.
@@ -1,38 +0,0 @@
-name: Feature request
-description: Suggest a new feature or an improvement
-labels: [enhancement]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        One request per issue, please.
-  - type: checkboxes
-    id: checks
-    attributes:
-      label: Before you start
-      options:
-        - label: I searched [existing issues](https://github.com/l0ng-ai/openidea/issues?q=is%3Aissue) and this hasn't been requested yet.
-          required: true
-  - type: textarea
-    id: problem
-    attributes:
-      label: Problem
-      description: What are you trying to do, and what gets in the way today?
-    validations:
-      required: true
-  - type: textarea
-    id: proposal
-    attributes:
-      label: Proposed solution
-      description: How you'd like it to work. Mockups or examples from other tools are welcome.
-    validations:
-      required: true
-  - type: textarea
-    id: alternatives
-    attributes:
-      label: Alternatives and workarounds
-      description: Other approaches you considered, or what you do now instead.
-  - type: textarea
-    id: extra
-    attributes:
-      label: Additional context
@@ -3,8 +3,6 @@ on:
  push:
    branches: [main]
  pull_request:
-    branches: [main]
-    types: [opened, synchronize, reopened]
  workflow_dispatch:

 concurrency:
@@ -71,15 +69,6 @@ jobs:
      - run: cargo build --locked -p ide-host --bin openidea-server --target x86_64-unknown-linux-musl
      - run: target/x86_64-unknown-linux-musl/debug/openidea-server --version

-  deny:
-    name: Cargo deny
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - uses: taiki-e/install-action@cargo-deny
-      - run: cargo deny check
-
  frontend:
    name: Frontend
    runs-on: ubuntu-22.04
@@ -93,7 +82,6 @@ jobs:
      - run: pnpm typecheck
      - run: pnpm lint
      - run: pnpm format:check
-      - run: pnpm knip
      - run: pnpm test
      - run: pnpm build

@@ -70,12 +70,6 @@ jobs:
          - name: Linux x64
            os: ubuntu-22.04
            target: x86_64-unknown-linux-gnu
-          - name: Linux arm64
-            os: ubuntu-22.04-arm
-            target: aarch64-unknown-linux-gnu
-          - name: Windows arm64
-            os: windows-11-arm
-            target: aarch64-pc-windows-msvc
          - name: Windows x64
            os: windows-latest
            target: x86_64-pc-windows-msvc
@@ -123,8 +117,6 @@ jobs:
          releaseId: ${{ needs.create-release.outputs.release_id }}
          tagName: ${{ env.TAG }}
          args: --target ${{ matrix.target }}
-          # The parallel builds would race on one latest.json; `updater-manifest` writes it once.
-          uploadUpdaterJson: false
      # tauri-action notarizes the .app but not the DMG around it; notarize and
      # staple the DMG too, then replace the uploaded asset.
      - name: Notarize DMG
@@ -180,70 +172,8 @@ jobs:
          if command -v sha256sum >/dev/null; then sha256sum "$ASSET"; else shasum -a 256 "$ASSET"; fi > "$ASSET.sha256"
          gh release upload "$TAG" "$ASSET" "$ASSET.sha256" --clobber

-  # The updater manifest (latest.json), built once from the signed bundles every build uploaded.
-  # Fails when a platform is missing, so a release never ships a manifest without it.
-  updater-manifest:
-    needs: [create-release, build]
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/github-script@v7
-        env:
-          RELEASE_ID: ${{ needs.create-release.outputs.release_id }}
-        with:
-          script: |
-            const { owner, repo } = context.repo;
-            const release_id = Number(process.env.RELEASE_ID);
-            const tag = process.env.TAG;
-            const assets = await github.paginate(github.rest.repos.listReleaseAssets, { owner, repo, release_id });
-            const sigs = assets.filter((a) => a.name.endsWith(".sig"));
-            if (sigs.length === 0) {
-              core.notice("no signed bundles (TAURI_SIGNING_PRIVATE_KEY unset): skipping latest.json");
-              return;
-            }
-            // Bundle suffix → updater platform keys, as tauri-action names them.
-            const kinds = [
-              [/_aarch64\.AppImage$/, ["linux-aarch64", "linux-aarch64-appimage"]],
-              [/_arm64\.deb$/, ["linux-aarch64-deb"]],
-              [/\.aarch64\.rpm$/, ["linux-aarch64-rpm"]],
-              [/_amd64\.AppImage$/, ["linux-x86_64", "linux-x86_64-appimage"]],
-              [/_amd64\.deb$/, ["linux-x86_64-deb"]],
-              [/\.x86_64\.rpm$/, ["linux-x86_64-rpm"]],
-              [/_aarch64\.app\.tar\.gz$/, ["darwin-aarch64", "darwin-aarch64-app"]],
-              [/_x64\.app\.tar\.gz$/, ["darwin-x86_64", "darwin-x86_64-app"]],
-              [/_arm64_en-US\.msi$/, ["windows-aarch64", "windows-aarch64-msi"]],
-              [/_arm64-setup\.exe$/, ["windows-aarch64-nsis"]],
-              [/_x64_en-US\.msi$/, ["windows-x86_64", "windows-x86_64-msi"]],
-              [/_x64-setup\.exe$/, ["windows-x86_64-nsis"]],
-            ];
-            const platforms = {};
-            for (const sig of sigs) {
-              const bundle = sig.name.slice(0, -".sig".length);
-              const kind = kinds.find(([re]) => re.test(bundle));
-              if (!kind) continue;
-              const { data } = await github.rest.repos.getReleaseAsset({
-                owner, repo, asset_id: sig.id, headers: { accept: "application/octet-stream" },
-              });
-              const signature = Buffer.from(data).toString("utf8").trim();
-              const url = `https://github.com/${owner}/${repo}/releases/download/${tag}/${encodeURIComponent(bundle)}`;
-              for (const key of kind[1]) platforms[key] = { signature, url };
-            }
-            const missing = kinds.flatMap(([, keys]) => keys).filter((k) => !platforms[k]);
-            if (missing.length) {
-              core.setFailed(`latest.json would miss ${missing.join(", ")}`);
-              return;
-            }
-            const manifest = { version: tag.replace(/^v/, ""), notes: "", pub_date: new Date().toISOString(), platforms };
-            const old = assets.find((a) => a.name === "latest.json");
-            if (old) await github.rest.repos.deleteReleaseAsset({ owner, repo, asset_id: old.id });
-            await github.rest.repos.uploadReleaseAsset({
-              owner, repo, release_id, name: "latest.json",
-              data: JSON.stringify(manifest, null, 2),
-              headers: { "content-type": "application/json" },
-            });
-            core.info(`latest.json: ${Object.keys(platforms).sort().join(", ")}`);
-
  publish:
-    needs: [create-release, build, server, updater-manifest]
+    needs: [create-release, build, server]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
@@ -9,8 +9,6 @@
    "dist",
    "target",
    "src/bindings.ts",
-    "src/editor/core/cm/angular/parser*.ts",
-    "src/editor/core/cm/jsp/parser*.ts",
    "docs/plugins/themes.md",
    "pnpm-lock.yaml",
    "**/*.toml",
@@ -13,7 +13,6 @@
    "src-tauri",
    "crates",
    "src/bindings.ts",
-    "src/editor/core/cm/angular/parser*.ts",
    "fixtures",
    "plugins",
    "test-results",
@@ -3,7 +3,7 @@ resolver = "3"
 members = ["crates/*", "src-tauri"]

 [workspace.package]
-version = "0.1.34"
+version = "0.1.23"
 edition = "2024"
 rust-version = "1.96"
 license = "Apache-2.0"
@@ -36,11 +36,9 @@ ide-web = { path = "crates/ide-web" }
 ide-spell = { path = "crates/ide-spell" }
 ide-agent = { path = "crates/ide-agent" }
 ide-clipboard = { path = "crates/ide-clipboard" }
-ide-fonts = { path = "crates/ide-fonts" }
 ide-ssh = { path = "crates/ide-ssh" }
 ide-remote = { path = "crates/ide-remote" }
 ide-host = { path = "crates/ide-host" }
-ide-notebook = { path = "crates/ide-notebook" }

 # serialization & IPC typing
 serde = { version = "1", features = ["derive"] }
@@ -76,7 +74,6 @@ trash = "5"
 blake3 = "1"
 dunce = "1"
 dirs = "6"
-zip = { version = "9", default-features = false, features = ["deflate"] }

 # search, index, language
 grep-searcher = "0.1"
@@ -87,9 +84,6 @@ redb = "4"
 tree-sitter = "0.25"

 # protocols & integrations
-jupyter-zmq-client = { version = "=2.0.0", default-features = false, features = ["tokio-runtime", "ring"] }
-jupyter-protocol = "=2.0.3"
-zeromq = { version = "0.6", default-features = false, features = ["tokio-runtime", "tcp-transport"] }
 lsp-types = "0.97"
 gix = { version = "0.89", default-features = false }
 portable-pty = "0.9"
@@ -97,8 +91,6 @@ reqwest = { version = "0.13", default-features = false, features = ["rustls-no-p
 rustls = { version = "0.23", default-features = false, features = ["ring", "std", "tls12", "logging"] }
 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"] }
-bb8 = "0.9"
 uuid = { version = "1", features = ["v4"] }

 # testing
@@ -14,7 +14,7 @@
  &nbsp;·&nbsp;
  <a href="#benchmark">Benchmark</a>
  &nbsp;·&nbsp;
-  <a href="https://discord.gg/2Zy4yn7gP">Discord</a>
+  <a href="#build">Build</a>
 </p>

 https://github.com/user-attachments/assets/234dd54c-1255-4b3a-b35c-533d78d737c0
@@ -45,6 +45,15 @@ IDEA analyses Python more deeply, so "ready" doesn't mean the same work on
 both sides. Both are measured from the outside, the same way: see
 [`perf/compare`](perf/compare) to run it on your machine and projects.

+## Build
+
+```sh
+pnpm install
+pnpm tauri dev
+```
+
+Rust 1.96, Node 22, pnpm and the [Tauri prerequisites](https://v2.tauri.app/start/prerequisites/).
+
 ## License

 [Apache 2.0](LICENSE). Bundled third-party assets are listed in [`THIRD_PARTY_LICENSES.md`](THIRD_PARTY_LICENSES.md).
@@ -1,14 +1,5 @@
 # Third-party licenses

-## Project Lombok
-
-`plugins/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)
-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 [plugins/lombok/LICENSE](plugins/lombok/LICENSE) and inside the jar.
-Source tag, patch commits and build instructions: [plugins/lombok/README.md](plugins/lombok/README.md).
-
 ## JetBrains IntelliJ Platform icons

 `src/ui/expui/**` contains SVG icons from the IntelliJ Platform "new UI" (expui)
@@ -21,13 +12,12 @@ icon set, copied unmodified (some renamed) from JetBrains' open-source repositor
  `python/python-requirements` (`fileTypes/requirements`); `python/pipenv`
  (`fileTypes/pipenv`); `python/python-pyproject` (`expui/toml.svg` →
  `fileTypes/pyprojectToml`); `plugins/kotlin/base` (`fileTypes/kotlin`,
-  `kotlinScript`, `kotlinGradleScript`, `icons/expui/objectKotlin` → `kotlin/objectKotlin`); `java/openapi` (`fileTypes/maven`);
+  `kotlinScript`, `kotlinGradleScript`); `java/openapi` (`fileTypes/maven`);
  `plugins/markdown` (`fileTypes/markdown`); `plugins/toml` (`fileTypes/toml`);
  `plugins/terminal` (`toolwindows/terminal`); `plugins/maven`
  (`images/expui/toolwindow/maven` → `toolwindows/maven`, `images/expui/build/maven*`
  → `maven/`); `plugins/gradle` (`icons/expui/gradle` → `toolwindows/gradle`,
-  `icons/expui/gradleLoadChanges` → `build/gradleLoadChanges`,
-  `icons/expui/gradle`, `icons/gradleSubproject` → `gradle/`);
+  `icons/expui/gradleLoadChanges` → `build/gradleLoadChanges`);
  `platform/external-system-impl` (`icons/newui/task` → `externalSystem/task`).
  Copyright 2000-2026 JetBrains s.r.o. and contributors. Apache License 2.0 (below).
 - [intellij-plugins](https://github.com/JetBrains/intellij-plugins) (each plugin
@@ -36,37 +26,10 @@ icon set, copied unmodified (some renamed) from JetBrains' open-source repositor
  `fileTypes/hashiCorp`, 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
-`actions/showWriteAccess{,_dark}.svg`) are copied unmodified from
-`platform/icons/src/expui/actions/` at intellij-community commit
-[`e992ff4750b4c36afe2caadfa8b191a8f36fb7a2`](https://github.com/JetBrains/intellij-community/tree/e992ff4750b4c36afe2caadfa8b191a8f36fb7a2/platform/icons/src/expui/actions).
-Their original copyright headers and Apache-2.0 licensing are retained.
-
- [intellij-rust](https://github.com/intellij-rust/intellij-rust) (MIT):
-  `src/main/resources/icons/expui/rustFile{,_dark}.svg` →
-  `src/ui/expui/fileTypes/rust{,_dark}.svg`;
-  `src/main/resources/icons/expui/cargo{,_dark}.svg` and `cargoLock{,_dark}.svg` →
-  `src/ui/expui/fileTypes/cargo{,_dark}.svg` and `cargoLock{,_dark}.svg`.
-  Copyright (c) 2015 Aleksey Kladov, Evgeny Kurbatsky, Alexey Kudinkin and contributors;
-  Copyright (c) 2016 JetBrains. MIT licence, full text below.
-
 At render time `src/ui/icons.tsx` may recolour monochrome icons to `currentColor`.

-## JetBrains IntelliJ Platform diff algorithm
-
-`src/features/vcs/comparison/**` is a TypeScript port of the text comparison of
-[intellij-community](https://github.com/JetBrains/intellij-community) (Apache-2.0):
-`platform/util/diff` (`com.intellij.util.diff`: Diff, Reindexer, MyersLCS,
-PatienceIntLCS, UniqueLCS; `com.intellij.diff.comparison`: ByLineRt, ByWordRt,
-ByCharRt, ChunkOptimizer, ChangeCorrector, LineFragmentSplitter, TrimUtil,
-ComparisonUtil, iterables) and `platform/diff-impl` (ComparisonManagerImpl's
-`compareLinesInner` and `processBlocks`). `__tests__/ideaCases.json` is converted
-from its tests (`LineComparisonUtilTest`, `WordComparisonUtilTest`,
-`SplitComparisonUtilTest`). Modified from the originals. Copyright 2000-2026
-JetBrains s.r.o. and contributors. Apache License 2.0 (below).
-
 `src/ui/openidea/**` holds OpenIDEA's own file-type icons drawn in the expui style for
-languages whose JetBrains icons are not open source (Go, Ruby, Dart, Lua, Zig,
+languages whose JetBrains icons are not open source (Go, Rust, Ruby, Dart, Lua, Zig,
 Svelte, …). Those using the page-with-corner-badge layout (`goMod`, `goWork`,
 `dotenv`, `readme`, `lock`, `license`) reuse the page outline of the Apache-2.0
 expui `fileTypes/h.svg`; that outline is modified from the original by JetBrains.
@@ -77,31 +40,6 @@ The lettering in `src-tauri/icons/source/openidea-wordmark*.svg` is outlined fro
 Inter Tight (Copyright 2022 The Inter Project Authors, SIL Open Font License 1.1,
 https://github.com/rsms/inter-tight).

-### MIT License (Rust and Cargo icons)
-
-The MIT License (MIT)
-
-Copyright (c) 2015 Aleksey Kladov, Evgeny Kurbatsky, Alexey Kudinkin and contributors
-Copyright (c) 2016 JetBrains
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
 ### MIT License (makefile icon)

 Copyright (c) 2016 Victor Kropp
@@ -160,18 +98,6 @@ shell and css dictionaries of [cspell-dicts](https://github.com/streetsidesoftwa
 (October 2026): lowercased, filtered and merged by OpenIDEA. Copyright Street Side Software;
 MIT licence, full text in `crates/ide-spell/src/dict/LICENSE-cspell-dicts`.

-## CodeMirror Angular template language
-
-`src/editor/core/cm/angular/` (`angular.grammar`, `tokens.ts`, `index.ts` and the
-`parser.ts` generated from them) is derived from
-[@codemirror/lang-angular](https://github.com/codemirror/lang-angular) 0.1.4
-(commit `ecc5038f`). Copyright (C) 2018-2021 by Marijn Haverbeke and others; MIT
-licence, full text in `src/editor/core/cm/angular/LICENSE`. Modifications by
-OpenIDEA: control-flow blocks (`@if`, `@for`, `@switch`, `@defer`, ...) and `@let`
-declarations, key and animation binding names (`(keydown.enter)`, `[@fade]`,
-`(@fade.done)`), runs of text that entities split (`a && b`) parsed as one, and one
-token for `{` and `}`.
-
 ## nvim-treesitter queries

 `crates/ide-syntax/queries/<grammar>/locals.scm` are derived from the `locals.scm`
@@ -6,8 +6,6 @@ edition.workspace = true
 license.workspace = true

 [dependencies]
-encoding_rs.workspace = true
-ide-vfs.workspace = true
 ide-core.workspace = true
 ide-jsonrpc.workspace = true
 ide-vcs.workspace = true
@@ -147,7 +147,6 @@ async fn a_task_runs_on_a_v2_agent_and_resumes_its_session() {
    let mgr = manager(tmp.path(), agent.clone());
    let task = mgr
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("Use the TodoWrite tool"),
            provider: "claude-acp".into(),
            config: vec![AgentConfigChoice { id: "model".into(), value: "haiku".into() }],
@@ -4,49 +4,6 @@
 use crate::model::{AgentCommand, AgentConfigOption, AgentConfigValue, AgentConfigVia, AgentUsage};
 use serde_json::{Value, json};

-/// Cursor exposes execution modes over ACP, but leaves approval policy to its client.
-pub(crate) const CURSOR_APPROVAL: &str = "openidea.cursor.approval";
-
-pub(crate) fn add_client_options(provider: &str, config: &mut Vec<AgentConfigOption>) {
-    if provider != "cursor" || config.iter().any(|o| o.id == CURSOR_APPROVAL) {
-        return;
-    }
-    config.push(AgentConfigOption {
-        id: CURSOR_APPROVAL.into(),
-        name: "Approvals".into(),
-        description: Some("Tool approvals for this Cursor conversation".into()),
-        category: Some("approval".into()),
-        current: Some("ask".into()),
-        via: AgentConfigVia::Option,
-        values: vec![
-            AgentConfigValue {
-                value: "ask".into(),
-                name: "Ask for approval".into(),
-                description: Some("Show permission requests from Cursor".into()),
-            },
-            AgentConfigValue {
-                value: "bypass".into(),
-                name: "Bypass approvals".into(),
-                description: Some("Automatically approve tool requests in this conversation".into()),
-            },
-        ],
-    });
-}
-
-pub(crate) fn bypass_approvals(provider: &str, config: &[AgentConfigOption]) -> bool {
-    provider == "cursor" && config.iter().any(|o| o.id == CURSOR_APPROVAL && o.current.as_deref() == Some("bypass"))
-}
-
-/// The mode that approves everything without asking (`bypassPermissions`, `yolo`, `full-access`…), if the agent has one.
-pub(crate) fn bypass_mode(options: &[AgentConfigOption]) -> Option<(&AgentConfigOption, &AgentConfigValue)> {
-    let option = options.iter().find(|o| o.category.as_deref() == Some("mode"))?;
-    let value = option.values.iter().find(|v| {
-        let m: String = v.value.to_lowercase().chars().filter(char::is_ascii_lowercase).collect();
-        m.contains("bypass") || m == "yolo" || m.contains("fullaccess") || m == "dangerous"
-    })?;
-    Some((option, value))
-}
-
 /// The settings in a `session/new` or `session/load` result: its select `configOptions`,
 /// plus the older `modes` / `models` fields for what those don't cover.
 pub(crate) fn options_of(result: &Value) -> Vec<AgentConfigOption> {
@@ -107,7 +64,7 @@ pub(crate) fn parse_options(options: &Value) -> Vec<AgentConfigOption> {
 pub(crate) fn merge_update(config: &mut Vec<AgentConfigOption>, options: &Value) {
    let fresh = parse_options(options);
    let covered = |o: &AgentConfigOption| fresh.iter().any(|f| f.category.is_some() && f.category == o.category);
-    config.retain(|o| o.id == CURSOR_APPROVAL || (o.via != AgentConfigVia::Option && !covered(o)));
+    config.retain(|o| o.via != AgentConfigVia::Option && !covered(o));
    let legacy = std::mem::take(config);
    config.extend(fresh);
    config.extend(legacy);
@@ -23,7 +23,6 @@ pub use model::*;
 use conversation::{Conversation, SavedSubagent, Session};
 use ide_core::{IdeError, IdeResult, IpcPath};
 use ide_jsonrpc::{Framing, Handler, Peer, RpcError, codes};
-use ide_vcs::Repo;
 use parking_lot::{Mutex, RwLock};
 use serde::{Deserialize, Serialize};
 use serde_json::{Value, json};
@@ -47,8 +46,6 @@ const STDERR_LINES: usize = 20;
 /// Updates of a session's state rather than its conversation.
 const SESSION_STATE: [&str; 5] =
    ["session_info_update", "config_option_update", "current_mode_update", "available_commands_update", "usage_update"];
-/// A native agent's own update: it is about to retry a failed API request (see [`AgentRetry`]).
-pub(crate) const RETRY_UPDATE: &str = "openidea_retry";
 /// 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`.
@@ -115,17 +112,7 @@ 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();
-        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)
-        {
-            o.current = Some(v);
-        }
-        if let Some(o) = config.iter_mut().find(|o| o.id == config::CURSOR_APPROVAL) {
-            o.current = Some("bypass".into());
-        }
-        config
+        self.known.lock().get(provider).map(|k| k.config.clone()).unwrap_or_default()
    }

    /// The commands the agent offered last time in this project.
@@ -277,7 +264,6 @@ impl AgentManager {
                    if matches!(f.task.status, AgentStatus::Running | AgentStatus::NeedsInput | AgentStatus::Starting) {
                        f.task.status = AgentStatus::Ready;
                    }
-                    f.task.retry = None;
                    let task = Task::restore(f, shared.clone());
                    task.state.lock().conversation.settle(now_ms());
                    tasks.insert(task.id.clone(), task);
@@ -314,28 +300,13 @@ impl AgentManager {
                source: p.source.clone(),
            })
            .collect();
-        let mut prev = self.shared.providers.write();
-        let mut probes = self.shared.probes.lock();
-        probes.retain(|id, _| {
-            let old = prev.iter().find(|p| &p.id == id);
-            let new = specs.iter().find(|p| &p.id == id);
-            matches!((old, new), (Some(a), Some(b)) if a.command == b.command && a.args == b.args && a.env == b.env)
-        });
-        *prev = specs;
+        *self.shared.providers.write() = specs;
        list
    }

-    /// Re-reads configured/installed agents, drops cached probes, and notifies subscribers.
-    pub fn reload_providers(&self) {
-        let specs = provider::load(self.shared.paths.custom_agents_dir.as_deref());
-        *self.shared.providers.write() = specs;
-        self.shared.probes.lock().clear();
-        self.shared.emit(AgentEvent::Providers);
-    }
-
    /// The slash commands to complete for `provider`, in `task`'s directory or (without one)
-    /// in the project: what the agent offered last time there, unadvertised builtins,
-    /// and, for Claude Code, skills and custom commands on disk it has not listed.
+    /// in the project: what the agent offered last time there, plus, for Claude Code, the
+    /// skills and custom commands on disk it has not listed.
    pub async fn commands(&self, provider: &str, task: Option<&str>) -> IdeResult<Vec<AgentCommand>> {
        let (provider, offered, cwd) = match task {
            Some(id) => {
@@ -345,14 +316,6 @@ impl AgentManager {
            }
            None => (provider.to_owned(), self.shared.known_commands(provider), self.shared.paths.project_root.clone()),
        };
-        // Commands the agent implements itself and never lists (its CLI builtins):
-        // merged without duplicating what `availableCommands` or the disk offer.
-        let mut offered = offered;
-        for &(name, description) in builtin_commands(&provider) {
-            if !offered.iter().any(|c| c.name == name) {
-                offered.push(AgentCommand { name: name.to_owned(), description: description.to_owned(), hint: None });
-            }
-        }
        if provider != "claude" && provider != "claude-acp" {
            return Ok(offered);
        }
@@ -381,16 +344,9 @@ impl AgentManager {
            .ok_or_else(|| IdeError::invalid(format!("unknown agent {}", req.provider)))?;
        let prompt = clean(req.prompt).ok_or_else(|| IdeError::invalid("describe the task first"))?;
        let title = title_of(&prompt);
-        let root = req.project_root.clone().map(|p| p.0).unwrap_or_else(|| self.shared.paths.project_root.clone());
-        let project_root = Some(IpcPath(root.clone()));
+        let root = self.shared.paths.project_root.clone();
        let (cwd, branch, base, base_commit, before) = match req.isolation {
            Isolation::Worktree => {
-                // The UI offers worktrees for git projects only; state it when it isn't one.
-                if Repo::discover(&root)?.is_none() {
-                    return Err(IdeError::invalid(
-                        "worktrees need a git repository: run the task in the local checkout",
-                    ));
-                }
                let dir = self.shared.paths.worktrees_dir.clone();
                let (t, b) = (title.clone(), req.base.clone());
                let c = blocking(move || worktree::create(&root, &dir, &t, b.as_deref())).await?;
@@ -414,7 +370,6 @@ impl AgentManager {
        }
        let now = now_ms();
        let task = AgentTask {
-            project_root,
            id: uuid::Uuid::new_v4().simple().to_string(),
            title,
            provider: spec.id.clone(),
@@ -434,7 +389,6 @@ impl AgentManager {
            queue: Vec::new(),
            capabilities: self.shared.probes.lock().get(&spec.id).map(|p| p.capabilities).unwrap_or_default(),
            resets_ms: None,
-            retry: None,
        };
        let file = TaskFile {
            task: task.clone(),
@@ -558,7 +512,7 @@ impl AgentManager {
            o.clone()
        };
        let live = task.live.lock().clone().filter(|l| !l.peer.is_closed());
-        if let Some(live) = live.filter(|_| option != config::CURSOR_APPROVAL) {
+        if let Some(live) = live {
            let (method, mut params) = config::set_request(&target, &value);
            params["sessionId"] = json!(live.session);
            let reply: Value =
@@ -575,12 +529,7 @@ impl AgentManager {
                o.current = Some(value);
            }
            s.task.model = model_of(&s.task.config).or(s.task.model.take());
-            let provider = s.task.provider.clone();
-            let config = s.task.config.clone();
-            drop(s);
-            task.shared.remember(&provider, Some(&config), None);
        }
-        task.approve_pending();
        task.persist();
        task.emit_task();
        Ok(())
@@ -628,7 +577,6 @@ impl AgentManager {
                usage: None,
                queue: Vec::new(),
                resets_ms: None,
-                retry: None,
                ..s.task.clone()
            };
            TaskFile {
@@ -788,43 +736,19 @@ impl AgentManager {
        Ok(())
    }

-    /// Returns an archived task to the active list without starting the agent.
-    pub fn unarchive(&self, id: &str) -> IdeResult<()> {
-        let task = self.task(id)?;
-        {
-            let mut s = task.state.lock();
-            if s.task.status != AgentStatus::Archived {
-                return Ok(());
-            }
-            if s.busy {
-                return Err(IdeError::invalid("the task is still stopping"));
-            }
-            s.task.status = AgentStatus::Ready;
-            s.task.error = None;
-            s.task.updated_ms = now_ms();
-        }
-        task.persist();
-        task.emit_task();
-        Ok(())
-    }
-
    /// Forgets the task; with `remove_worktree` also deletes its worktree (the branch stays).
    pub async fn delete(&self, id: &str, remove_worktree: bool) -> IdeResult<()> {
        let task = self.task(id)?;
        task.kill();
-        let (isolation, cwd, root) = {
+        let (isolation, cwd) = {
            let s = task.state.lock();
-            (
-                s.task.isolation,
-                s.task.cwd.0.clone(),
-                s.task.project_root.clone().map(|p| p.0).unwrap_or_else(|| self.shared.paths.project_root.clone()),
-            )
+            (s.task.isolation, s.task.cwd.0.clone())
        };
        // A copy of the task (a fork) may work in the same worktree.
        let shared = self.tasks.read().values().any(|t| t.id != id && t.state.lock().task.cwd.0 == cwd);
        if remove_worktree && !shared && isolation == Isolation::Worktree && cwd.exists() {
-            let worktrees = self.shared.paths.worktrees_dir.clone();
-            blocking(move || worktree::remove(&root, &worktrees, &cwd)).await?;
+            let root = self.shared.paths.project_root.clone();
+            blocking(move || worktree::remove(&root, &cwd)).await?;
        }
        self.tasks.write().remove(id);
        *task.deleted.lock() = true;
@@ -860,8 +784,7 @@ impl AgentManager {

 impl Task {
    fn restore(file: TaskFile, shared: Arc<Shared>) -> Arc<Self> {
-        let mut task = file.task;
-        config::add_client_options(&task.provider, &mut task.config);
+        let task = file.task;
        let conversation = Conversation::restore(file.entries, file.subagents);
        Arc::new(Self {
            id: task.id.clone(),
@@ -907,22 +830,9 @@ impl Task {
        self.shared.emit(AgentEvent::Task { task });
    }

-    /// Shows (or clears) the agent's pending retry; emitted only when it changes.
-    fn set_retry(&self, retry: Option<AgentRetry>) {
-        {
-            let mut s = self.state.lock();
-            if s.task.retry == retry {
-                return;
-            }
-            s.task.retry = retry;
-        }
-        self.emit_task();
-    }
-
    fn set_status(&self, status: AgentStatus, error: Option<String>) {
        {
            let mut s = self.state.lock();
-            s.task.retry = None;
            s.task.status = status;
            s.task.error = error;
            s.task.updated_ms = now_ms();
@@ -1081,7 +991,6 @@ impl Task {
        self.push_entry(AgentEntry::User {
            text: prompt.text,
            attachments,
-            images: prompt.images,
            sent_ms: Some(now_ms()),
            done_ms: None,
            steered: true,
@@ -1102,7 +1011,6 @@ impl Task {
        self.push_entry(AgentEntry::User {
            text: prompt.text.clone(),
            attachments,
-            images: prompt.images.clone(),
            sent_ms: Some(now_ms()),
            done_ms: None,
            steered: false,
@@ -1248,16 +1156,10 @@ impl Task {
            let s = self.state.lock();
            (if known { reported } else { s.task.config.clone() }, s.wanted.clone())
        };
-        config::add_client_options(&provider_id, &mut options);
+        self.shared.remember(&provider_id, Some(&options), None);
        for choice in &wanted {
            // An option the session doesn't offer yet is set once it does (`apply_late_choices`).
            let Some(o) = options.iter().find(|o| o.id == choice.id).cloned() else { continue };
-            if o.id == config::CURSOR_APPROVAL {
-                if o.values.iter().any(|v| v.value == choice.value) {
-                    options.iter_mut().find(|o| o.id == choice.id).unwrap().current = Some(choice.value.clone());
-                }
-                continue;
-            }
            let already = known && o.current.as_deref() == Some(choice.value.as_str());
            if already || !o.values.iter().any(|v| v.value == choice.value) {
                continue;
@@ -1277,7 +1179,6 @@ impl Task {
                Err(e) => tracing::warn!("agent task {}: setting {} to {} failed: {e}", self.id, o.id, choice.value),
            }
        }
-        self.shared.remember(&provider_id, Some(&options), None);
        {
            let mut s = self.state.lock();
            s.task.model = model_of(&options).or(s.task.model.take());
@@ -1302,7 +1203,7 @@ impl Task {
            s.wanted
                .iter()
                .filter_map(|c| {
-                    let o = s.task.config.iter().find(|o| o.id == c.id && o.id != config::CURSOR_APPROVAL)?;
+                    let o = s.task.config.iter().find(|o| o.id == c.id)?;
                    let due = o.current.as_deref() != Some(c.value.as_str())
                        && o.values.iter().any(|v| v.value == c.value)
                        && sent.insert((c.id.clone(), c.value.clone()));
@@ -1363,12 +1264,6 @@ impl Task {
            }
            return;
        }
-        if kind == RETRY_UPDATE {
-            if !self.replaying.load(Ordering::Acquire) {
-                self.set_retry(retry_of(update, now_ms()));
-            }
-            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());
@@ -1437,8 +1332,6 @@ impl Task {
    }

    fn apply(self: &Arc<Self>, session: Option<&str>, kind: &str, update: &Value) {
-        // Output again: the retried request went through.
-        self.set_retry(None);
        let applied = self.state.lock().conversation.apply(session, update, now_ms());
        self.mark_dirty(applied);
        // A subagent can start or finish after the turn that started it: saved right away.
@@ -1481,7 +1374,6 @@ impl Task {
        let entry = self.push_entry(AgentEntry::Permission { id, title, options: options.clone(), 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
@@ -1505,22 +1397,6 @@ impl Task {
        }
    }

-    fn approve_pending(&self) {
-        let s = self.state.lock();
-        if self.cancel_pending.load(Ordering::Acquire) || !config::bypass_approvals(&s.task.provider, &s.task.config) {
-            return;
-        }
-        let mut pending = self.permissions.lock();
-        for entry in s.conversation.main.entries.iter().rev() {
-            if let AgentEntry::Permission { id, options, chosen: None, .. } = entry
-                && let Some(option) = options.iter().find(|o| o.kind == "allow_once")
-                && let Some(reply) = pending.remove(id)
-            {
-                let _ = reply.send(Some(option.id.clone()));
-            }
-        }
-    }
-
    fn cancel_permissions(&self) {
        for (_, reply) in self.permissions.lock().drain() {
            let _ = reply.send(None);
@@ -1680,31 +1556,10 @@ fn is_zero(n: &u32) -> bool {
    *n == 0
 }

-/// The retry a [`RETRY_UPDATE`] announces, timed from `now`.
-fn retry_of(update: &Value, now: f64) -> Option<AgentRetry> {
-    let n = |k: &str| update.get(k).and_then(Value::as_u64);
-    Some(AgentRetry {
-        attempt: u32::try_from(n("attempt")?).unwrap_or(u32::MAX),
-        max_retries: n("maxRetries").and_then(|m| u32::try_from(m).ok()),
-        retry_at_ms: now + n("retryDelayMs").unwrap_or(0) as f64,
-        error: update.get("error").and_then(Value::as_str).filter(|e| !e.is_empty()).map(str::to_owned),
-    })
-}
-
 fn model_of(config: &[AgentConfigOption]) -> Option<String> {
    config.iter().find(|o| o.category.as_deref() == Some("model")).and_then(|o| o.current.clone())
 }

-/// Commands the agent implements on its own and never lists in `availableCommands` —
-/// its CLI builtins, passed through as prompt text (e.g. `/compact`). `(name, description)`.
-fn builtin_commands(provider: &str) -> &'static [(&'static str, &'static str)] {
-    match provider {
-        // OpenCode ACP handles `/compact` via session.summarize but omits it from its command list.
-        "opencode" => &[("compact", "compact the conversation")],
-        _ => &[],
-    }
-}
-
 fn file_name(path: &Path) -> String {
    path.file_name().map_or_else(|| path.to_string_lossy().into_owned(), |n| n.to_string_lossy().into_owned())
 }
@@ -47,9 +47,6 @@ pub enum Isolation {
 #[derive(Clone, Debug, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
 pub struct AgentTask {
-    /// Original project folder; absent in tasks saved before per-task roots.
-    #[serde(default)]
-    pub project_root: Option<IpcPath>,
    pub id: String,
    pub title: String,
    /// [`AgentProvider::id`].
@@ -84,21 +81,6 @@ pub struct AgentTask {
    /// When a [`AgentStatus::Limited`] task's limit resets (ms since the epoch), if the agent said.
    #[serde(default)]
    pub resets_ms: Option<f64>,
-    /// The agent is retrying a failed API request (connection lost, overloaded…); cleared
-    /// by its next output or any status change.
-    #[serde(default)]
-    pub retry: Option<AgentRetry>,
-}
-
-/// An API request the agent is about to retry.
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct AgentRetry {
-    pub attempt: u32,
-    pub max_retries: Option<u32>,
-    /// When the next attempt starts (ms since the epoch).
-    pub retry_at_ms: f64,
-    pub error: Option<String>,
 }

 /// One value of a select-type session setting.
@@ -243,9 +225,6 @@ pub enum AgentEntry {
        text: String,
        /// Names of the files and images sent with it.
        attachments: Vec<String>,
-        /// The images sent with it, shown in the conversation.
-        #[serde(default)]
-        images: Vec<AgentImage>,
        /// When it was sent (ms since the epoch); `None` in tasks saved before this was kept.
        #[serde(default)]
        sent_ms: Option<f64>,
@@ -367,9 +346,6 @@ pub struct AgentProbe {
 #[derive(Clone, Debug, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
 pub struct NewAgentTask {
-    /// Validated by the host; defaults to the window project root.
-    #[serde(default)]
-    pub project_root: Option<IpcPath>,
    pub prompt: AgentPrompt,
    pub provider: String,
    /// Settings for the new session (model, mode…).
@@ -413,6 +389,4 @@ pub enum AgentEvent {
        index: u32,
        entry: AgentEntry,
    },
-    /// The installed or configured agent providers changed.
-    Providers,
 }
@@ -296,7 +296,7 @@ impl Shim {
        let mut cmd = std::process::Command::new(&self.config.program);
        ide_core::process::prepare(&mut cmd);
        let out = cmd.arg("--version").envs(ide_core::process::shell_env()).output().ok()?;
-        let text = ide_core::output_encoding::decode_tool_output(&out.stdout);
+        let text = String::from_utf8_lossy(&out.stdout);
        text.split_whitespace().next().filter(|v| out.status.success() && !v.is_empty()).map(str::to_owned)
    }

@@ -915,11 +915,7 @@ impl Session {
                        } else {
                            "end_turn"
                        };
-                        finished = st.turn.take().map(|mut t| {
-                            // Claude Code reports a turn that failed as cancelled here.
-                            let failure = t.failure.take().filter(|_| !t.cancelled);
-                            (t, failure.unwrap_or(TurnEnd::Stop(stop)))
-                        });
+                        finished = st.turn.take().map(|t| (t, TurnEnd::Stop(stop)));
                    }
                }
                "assistant" if msg.get("parent_tool_use_id").is_none_or(Value::is_null) => {
@@ -1143,8 +1139,7 @@ where
 /// 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 {
-    // Prompts are sent with the origin `human`, and their results echo it.
-    if result.get("origin").is_some_and(|o| !o.is_null() && o.get("kind").and_then(Value::as_str) != Some("human")) {
+    if result.get("origin").is_some_and(|o| !o.is_null()) {
        return false;
    }
    let mut uuids = strings(result.get("user_message_uuids"));
@@ -738,50 +738,6 @@ async fn a_stop_ahead_of_its_prompt_cancels_it() {
    assert!(cli.sent.lock()[0].iter().all(|m| m["type"] != "user"), "nothing was sent");
 }

-#[tokio::test(flavor = "multi_thread")]
-async fn a_failed_turn_reports_its_failure() {
-    let text = "Failed to authenticate: OAuth session expired and could not be refreshed";
-    let lifecycle = |uuid: &str, state: &str| {
-        Frame::Cli(json!({ "type": "command_lifecycle", "command_uuid": uuid, "state": state }))
-    };
-    let result = |uuid: &str| {
-        Frame::Cli(json!({
-            "type": "result", "subtype": "success", "is_error": true, "result": text, "stop_reason": "stop_sequence",
-            "terminal_reason": "api_error", "origin": { "kind": "human" }, "user_message_uuids": [uuid],
-        }))
-    };
-    // As Claude Code sends it, and with the turn's end ahead of its result.
-    for lifecycle_first in [false, true] {
-        let mut process = load_fixture("simple").remove(0);
-        process.truncate(6);
-        let Some(Frame::Shim(prompt)) = process.last() else { panic!("the fixture's prompt") };
-        let uuid = prompt["uuid"].as_str().unwrap().to_owned();
-        process.push(Frame::Cli(json!({
-            "type": "assistant", "error": "authentication_failed", "parent_tool_use_id": null,
-            "message": { "id": "m", "model": "<synthetic>", "content": [{ "type": "text", "text": text }] },
-        })));
-        if lifecycle_first {
-            process.extend([lifecycle(&uuid, "cancelled"), result(&uuid)]);
-        } else {
-            process.extend([result(&uuid), lifecycle(&uuid, "cancelled")]);
-        }
-        let cli = Arc::new(Replay {
-            processes: Mutex::new(VecDeque::from([process])),
-            sent: Arc::default(),
-            launched: Mutex::default(),
-            errors: Arc::default(),
-        });
-        let (dir, cwd) = (tempfile::tempdir().unwrap(), tempfile::tempdir().unwrap());
-        let h =
-            Harness::connect(cli.clone(), dir.path().into(), dir.path().join("p"), cwd.path().into(), Vec::new()).await;
-        let s = h.new_session().await;
-        let Err(RpcError::Server { message, .. }) = h.prompt(&s, "hi").await else {
-            panic!("the turn should fail (lifecycle first: {lifecycle_first})");
-        };
-        assert_eq!(message, format!("Claude Code authentication failed: {text}"));
-    }
-}
-
 /// Fork and undo against the real CLI, across connections, in a symlinked directory
 /// (macOS `/tmp`).
 #[tokio::test(flavor = "multi_thread")]
@@ -873,7 +829,6 @@ fn which_result_ends_a_turn() {
    assert!(!belongs(&t, &json!({"user_message_uuids": ["a"]})), "a steer superseded it");
    assert!(belongs(&t, &json!({"subtype": "error_during_execution"})), "names no message");
    assert!(!belongs(&t, &json!({"origin": {"kind": "task-notification"}})), "Claude Code's own turn");
-    assert!(belongs(&t, &json!({"origin": {"kind": "human"}, "user_message_uuids": ["b"]})), "the prompt's own result");
    assert!(belongs(&turn(&["a", "b"], true), &json!({"user_message_uuids": ["a"]})));
 }

@@ -962,20 +917,6 @@ fn pending_starts_round_trip() {
    }
 }

-#[test]
-fn api_retries_are_announced() {
-    let mut t = Translator::new("s", PathBuf::from("/w"), true);
-    let out = t.on_message(&json!({"type": "system", "subtype": "api_retry", "attempt": 3, "max_retries": 10,
-        "retry_delay_ms": 4000, "error_status": null, "error": "Connection error."}));
-    assert_eq!(out.len(), 1);
-    assert_eq!(out[0].session, "s");
-    assert_eq!(
-        out[0].update,
-        json!({"sessionUpdate": crate::RETRY_UPDATE, "attempt": 3, "maxRetries": 10, "retryDelayMs": 4000,
-            "error": "Connection error."})
-    );
-}
-
 #[test]
 fn streamed_text_is_not_sent_twice() {
    let mut t = Translator::new("s", PathBuf::from("/w"), true);
@@ -5,7 +5,6 @@
 //! Agent tool use that launched them: their messages carry it as `parent_tool_use_id`.

 use super::tools;
-use crate::RETRY_UPDATE;
 use serde_json::{Value, json};
 use std::collections::{HashMap, VecDeque};
 use std::path::PathBuf;
@@ -169,7 +168,7 @@ impl Translator {
                    Some("tool_use") => {
                        // The input streams after this: shown by name until the message has it.
                        let (id, name) = (str_of(&block, "id"), str_of(&block, "name"));
-                        if !(id.is_empty() || tools::is_plan(&name) || tools::is_agent(&name) && self.subagents) {
+                        if !id.is_empty() && !tools::is_plan(&name) && !(tools::is_agent(&name) && self.subagents) {
                            out.extend(self.ensure_call(&id, &name, &json!({}), &session));
                        }
                    }
@@ -428,23 +427,6 @@ impl Translator {
                }
                Vec::new()
            }
-            // Claude Code retries a failed API request on its own; without this the turn looks stuck.
-            Some("api_retry") => {
-                let n = |k: &str| msg.get(k).and_then(Value::as_u64);
-                let error = msg.get("error").and_then(|e| {
-                    e.as_str().map(str::to_owned).or_else(|| e.get("message")?.as_str().map(str::to_owned))
-                });
-                vec![Update {
-                    session: self.root.clone(),
-                    update: json!({
-                        "sessionUpdate": RETRY_UPDATE,
-                        "attempt": n("attempt").unwrap_or(1),
-                        "maxRetries": n("max_retries"),
-                        "retryDelayMs": n("retry_delay_ms").unwrap_or(0),
-                        "error": error,
-                    }),
-                }]
-            }
            Some("task_notification") if self.children.get(&tool_use).is_some_and(|c| c.background != Some(false)) => {
                let stop = match msg.get("status").and_then(Value::as_str) {
                    Some("failed") => "error",
@@ -199,12 +199,7 @@ fn invalid(message: impl Into<String>) -> ResponseError {
 fn from_codex(e: RpcError) -> ResponseError {
    match e {
        RpcError::Server { code, message, data } => {
-            // Protocol errors can list method names containing "auth"; they are not sign-in failures.
-            let protocol = matches!(
-                code,
-                codes::PARSE_ERROR | codes::INVALID_REQUEST | codes::METHOD_NOT_FOUND | codes::INVALID_PARAMS
-            );
-            let code = if !protocol && message.to_lowercase().contains("auth") { AUTH_REQUIRED } else { code };
+            let code = if message.to_lowercase().contains("auth") { AUTH_REQUIRED } else { code };
            ResponseError { code, message, data }
        }
        RpcError::Closed => error(codes::INTERNAL_ERROR, "Codex exited"),
@@ -431,48 +426,10 @@ impl CodexShim {
    async fn rollback(&self, params: &Value) -> Result<Value, ResponseError> {
        let session = str_param(params, "sessionId")?;
        let turns = params.get("turns").and_then(Value::as_u64).filter(|n| *n > 0).ok_or_else(|| invalid("turns"))?;
-        match self.call("thread/rollback", json!({ "threadId": session, "numTurns": turns })).await {
-            Ok(_) => {}
-            Err(e)
-                if e.code == codes::METHOD_NOT_FOUND
-                    || (e.code == codes::INVALID_REQUEST
-                        && e.message.contains("unknown variant `thread/rollback`")) =>
-            {
-                self.revert(session, turns).await?;
-            }
-            Err(e) => return Err(e),
-        }
+        self.call("thread/rollback", json!({ "threadId": session, "numTurns": turns })).await?;
        Ok(json!({}))
    }

-    /// New Codex versions replace rollback counts with an exclusive turn id.
-    async fn revert(&self, session: &str, mut remaining: u64) -> Result<(), ResponseError> {
-        let mut cursor = Value::Null;
-        let mut seen = HashSet::new();
-        loop {
-            let page = self
-                .call(
-                    "thread/turns/list",
-                    json!({ "threadId": session, "sortDirection": "desc", "limit": remaining.min(100), "cursor": cursor }),
-                )
-                .await?;
-            let turns = page.get("data").and_then(Value::as_array).ok_or_else(|| invalid("Codex returned no turns"))?;
-            if remaining <= turns.len() as u64 {
-                let before = str_param(&turns[remaining as usize - 1], "id")?;
-                self.call("thread/revert", json!({ "threadId": session, "beforeTurnId": before })).await?;
-                return Ok(());
-            }
-            remaining -= turns.len() as u64;
-            let next = page.get("nextCursor").and_then(Value::as_str);
-            let Some(next) = next.filter(|next| seen.insert((*next).to_owned())) else {
-                return Err(invalid(
-                    "Codex history has fewer turns than the conversation; reload the task before editing",
-                ));
-            };
-            cursor = json!(next);
-        }
-    }
-
    /// Stops following the session's thread (codex unloads it once nothing follows it).
    async fn close(&self, params: &Value) -> Result<Value, ResponseError> {
        let session = str_param(params, "sessionId")?;
@@ -593,104 +593,6 @@ async fn resume_replays_history_then_forks_and_rolls_back() {
    assert_eq!(sent(&frames, "thread/unsubscribe")[0]["params"], json!({"threadId": thread}));
 }

-async fn rollback_replies(turns: u32, replies: Vec<(&str, Value)>) -> (Result<Value, RpcError>, Vec<Value>) {
-    let frames = replies
-        .into_iter()
-        .enumerate()
-        .flat_map(|(i, (method, mut reply))| {
-            let id = i + 1;
-            reply["id"] = json!(id);
-            [(true, json!({ "id": id, "method": method })), (false, reply)]
-        })
-        .collect();
-    let transcript = Transcript { meta: Value::Null, frames };
-    let (ours, theirs) = tokio::io::duplex(1 << 16);
-    let acp = attach(Arc::new(Client::default()), |events| {
-        let (read, write) = tokio::io::split(ours);
-        Ok(Peer::connect_framed(read, write, events, Framing::Lines))
-    })
-    .unwrap();
-    let (read, write) = tokio::io::split(theirs);
-    let player = tokio::spawn(async move { play(&transcript, read, write).await });
-    let result = request(&acp, "_openidea/rollback", json!({ "sessionId": "s", "turns": turns })).await;
-    let (sent, _read, _write) = player.await.unwrap();
-    acp.kill();
-    (result, sent)
-}
-
-fn removed_rollback() -> Value {
-    json!({ "error": { "code": -32600, "message": "Invalid request: unknown variant `thread/rollback`, expected one of `thread/revert`, `account/gatewayOAuth/read`, `getAuthStatus`" } })
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn removed_rollback_reverts_before_the_target_turn_across_pages() {
-    let (result, frames) = rollback_replies(
-        3,
-        vec![
-            ("thread/rollback", removed_rollback()),
-            (
-                "thread/turns/list",
-                json!({ "result": { "data": [{ "id": "last" }, { "id": "middle" }], "nextCursor": "older" } }),
-            ),
-            (
-                "thread/turns/list",
-                json!({ "result": { "data": [{ "id": "edited" }, { "id": "retained" }], "nextCursor": null } }),
-            ),
-            ("thread/revert", json!({ "result": { "thread": { "id": "s", "turns": [] } } })),
-        ],
-    )
-    .await;
-    assert_eq!(result.unwrap(), json!({}));
-    let pages = sent(&frames, "thread/turns/list");
-    assert_eq!(pages[0]["params"], json!({ "threadId": "s", "sortDirection": "desc", "limit": 3, "cursor": null }));
-    assert_eq!(pages[1]["params"]["cursor"], "older");
-    assert_eq!(pages[1]["params"]["limit"], 1);
-    assert_eq!(sent(&frames, "thread/revert")[0]["params"], json!({ "threadId": "s", "beforeTurnId": "edited" }));
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn method_not_found_reverts_the_latest_turn() {
-    let (result, frames) = rollback_replies(
-        1,
-        vec![
-            ("thread/rollback", json!({ "error": { "code": -32601, "message": "Method not found" } })),
-            ("thread/turns/list", json!({ "result": { "data": [{ "id": "last" }], "nextCursor": null } })),
-            ("thread/revert", json!({ "result": {} })),
-        ],
-    )
-    .await;
-    assert_eq!(result.unwrap(), json!({}));
-    assert_eq!(sent(&frames, "thread/revert")[0]["params"]["beforeTurnId"], "last");
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn rollback_refusals_are_not_retried_as_revert() {
-    let (result, frames) = rollback_replies(
-        1,
-        vec![("thread/rollback", json!({ "error": { "code": -32600, "message": "a turn is still running" } }))],
-    )
-    .await;
-    assert!(result.unwrap_err().to_string().contains("a turn is still running"));
-    assert_eq!(frames.len(), 1);
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn incomplete_or_repeated_history_pages_do_not_revert_the_wrong_turn() {
-    for next in [Value::Null, json!("older")] {
-        let (result, frames) = rollback_replies(
-            3,
-            vec![
-                ("thread/rollback", removed_rollback()),
-                ("thread/turns/list", json!({ "result": { "data": [{ "id": "last" }], "nextCursor": "older" } })),
-                ("thread/turns/list", json!({ "result": { "data": [], "nextCursor": next } })),
-            ],
-        )
-        .await;
-        assert!(result.unwrap_err().to_string().contains("reload the task"));
-        assert!(sent(&frames, "thread/revert").is_empty());
-    }
-}
-
 #[tokio::test(flavor = "multi_thread")]
 async fn steering_adds_to_the_running_turn() {
    let (results, _client, frames, _) = replay(Scenario::Steer).await;
@@ -21,27 +21,18 @@ use std::sync::Arc;
 /// The newest install of `command` on the `PATH` a child sees, by its `--version`.
 /// Several installs are common (npm, Homebrew, the vendor's own installer), and the first
 /// on `PATH` is often an old one that the service no longer serves the current models to.
-/// A path, or a name not found on `PATH`, is used as it is; a single match returns its
-/// resolved path so Windows `PATHEXT` shims (`claude.cmd`, `codex.cmd`) start.
+/// A path, or a name found once (or not at all), is used as it is.
 pub(crate) fn newest_install(command: &str) -> String {
-    let path = ide_core::process::host_var_os("PATH")
-        .or_else(|| ide_core::process::shell_env().find(|(k, _)| *k == "PATH").map(|(_, v)| v.to_owned()))
-        .unwrap_or_default();
-    // Windows: read afresh, so a tool the user installed since the IDE started is found too.
-    newest_install_in(command, &ide_core::process::with_user_path(&path))
-}
-
-fn newest_install_in(command: &str, search: &std::ffi::OsStr) -> String {
-    if Path::new(command).components().count() > 1 || Path::new(command).is_absolute() {
+    if Path::new(command).components().count() > 1 {
        return command.to_owned();
    }
-    let pathext = ide_core::process::host_var_os("PATHEXT");
-    let names =
-        ide_core::process::executable_names(command, cfg!(windows), pathext.as_deref().and_then(|p| p.to_str()));
+    let path = ide_core::process::host_var_os("PATH")
+        .or_else(|| ide_core::process::shell_env().find(|(k, _)| *k == "PATH").map(|(_, v)| v.to_owned()));
    let mut seen = Vec::new();
-    let candidates: Vec<PathBuf> = std::env::split_paths(search)
-        .filter(|d| !d.as_os_str().is_empty())
-        .flat_map(|dir| names.iter().map(move |n| dir.join(n)))
+    let candidates: Vec<PathBuf> = path
+        .iter()
+        .flat_map(std::env::split_paths)
+        .map(|dir| dir.join(command))
        .filter(|p| p.is_file())
        .filter(|p| {
            let real = dunce::canonicalize(p).unwrap_or_else(|_| p.clone());
@@ -51,7 +42,7 @@ fn newest_install_in(command: &str, search: &std::ffi::OsStr) -> String {
        })
        .collect();
    if candidates.len() < 2 {
-        return candidates.into_iter().next().map_or_else(|| command.to_owned(), |p| p.to_string_lossy().into_owned());
+        return command.to_owned();
    }
    candidates
        .into_iter()
@@ -65,7 +56,7 @@ fn version_of(program: &Path) -> Option<Vec<u64>> {
    let mut cmd = std::process::Command::new(program);
    ide_core::process::prepare(&mut cmd);
    let out = cmd.arg("--version").envs(ide_core::process::shell_env()).output().ok()?;
-    parse_version(&ide_core::output_encoding::decode_tool_output(&out.stdout))
+    parse_version(&String::from_utf8_lossy(&out.stdout))
 }

 fn parse_version(text: &str) -> Option<Vec<u64>> {
@@ -75,6 +66,16 @@ fn parse_version(text: &str) -> Option<Vec<u64>> {
    })
 }

+#[cfg(test)]
+#[test]
+fn versions_are_read_from_either_side_of_the_name() {
+    assert_eq!(parse_version("codex-cli 0.164.0\n"), Some(vec![0, 164, 0]));
+    assert_eq!(parse_version("2.1.312 (Claude Code)"), Some(vec![2, 1, 312]));
+    assert_eq!(parse_version("v1.2"), Some(vec![1, 2]));
+    assert_eq!(parse_version("no version here"), None);
+    assert!(parse_version("codex-cli 0.164.0") > parse_version("codex-cli 0.147.0"));
+}
+
 /// The agent side of an in-process ACP connection.
 pub(crate) trait Shim: Handler {
    /// Called once, before any message arrives: the connection to the client, for
@@ -93,56 +94,3 @@ pub(crate) fn serve<S: Shim>(shim: Arc<S>, client: Arc<dyn Handler>) -> Peer {
    shim.attach(to_client);
    Peer::connect_framed(or, ow, client, Framing::Lines)
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn versions_are_read_from_either_side_of_the_name() {
-        assert_eq!(parse_version("codex-cli 0.164.0\n"), Some(vec![0, 164, 0]));
-        assert_eq!(parse_version("2.1.312 (Claude Code)"), Some(vec![2, 1, 312]));
-        assert_eq!(parse_version("v1.2"), Some(vec![1, 2]));
-        assert_eq!(parse_version("no version here"), None);
-        assert!(parse_version("codex-cli 0.164.0") > parse_version("codex-cli 0.147.0"));
-    }
-
-    #[test]
-    fn newest_install_resolves_single_candidate_and_keeps_missing_or_paths() {
-        let dir = tempfile::tempdir().unwrap();
-        let a = dir.path().join("a");
-        let b = dir.path().join("b");
-        std::fs::create_dir_all(&a).unwrap();
-        std::fs::create_dir_all(&b).unwrap();
-        std::fs::write(a.join("claude"), "#!/bin/sh\n").unwrap();
-        std::fs::write(b.join("claude.cmd"), "@echo off\n").unwrap();
-        let search = std::env::join_paths([&a, &b]).unwrap();
-        if cfg!(windows) {
-            assert_eq!(newest_install_in("claude", &search), b.join("claude.cmd").to_string_lossy());
-        } else {
-            assert_eq!(newest_install_in("claude", &search), a.join("claude").to_string_lossy());
-        }
-        assert_eq!(newest_install_in("nope", &search), "nope");
-        assert_eq!(newest_install_in("bin/claude", &search), "bin/claude");
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn newest_install_compares_versions_across_path_entries() {
-        use std::os::unix::fs::PermissionsExt;
-
-        let dir = tempfile::tempdir().unwrap();
-        let old = dir.path().join("old");
-        let new = dir.path().join("new");
-        for (path, version) in [(&old, "2.9.0"), (&new, "2.10.0")] {
-            std::fs::create_dir_all(path).unwrap();
-            let executable = path.join("agent");
-            std::fs::write(&executable, format!("#!/bin/sh\necho {version}\n")).unwrap();
-            std::fs::set_permissions(&executable, std::fs::Permissions::from_mode(0o755)).unwrap();
-        }
-        for paths in [[&old, &new], [&new, &old]] {
-            let search = std::env::join_paths(paths).unwrap();
-            assert_eq!(newest_install_in("agent", &search), new.join("agent").to_string_lossy());
-        }
-    }
-}
@@ -80,16 +80,9 @@ fn builtins() -> Vec<ProviderSpec> {
        .collect()
 }

-/// Whether `id` names a built-in agent that needs no registry install (native drivers
-/// and `npx -y` adapters). CLI built-ins (`copilot`, `gemini`, …) can be installed and
-/// updated from the ACP Registry into `<config>/agents/<id>.toml`.
+/// Whether `id` names a built-in agent.
 pub(crate) fn is_builtin(id: &str) -> bool {
-    BUILTIN.iter().any(|&(bid, _, driver, cmd, _)| bid == id && (driver != Driver::Acp || cmd.first() == Some(&"npx")))
-}
-
-/// Display name of a built-in agent, when `id` is one.
-pub(crate) fn builtin_name(id: &str) -> Option<&'static str> {
-    BUILTIN.iter().find(|&&(bid, _, _, _, _)| bid == id).map(|&(_, name, _, _, _)| name)
+    BUILTIN.iter().any(|b| b.0 == id)
 }

 /// An agent file, `<config>/agents/<id>.toml`.
@@ -169,7 +162,7 @@ pub(crate) fn load(custom_dir: Option<&Path>) -> Vec<ProviderSpec> {
            Some(r) => AgentSource::Registry { version: r.version, update: None },
            None => AgentSource::Custom,
        };
-        let mut spec = ProviderSpec {
+        let spec = ProviderSpec {
            name: agent.name.unwrap_or_else(|| id.clone()),
            driver: agent.driver,
            command: agent.command,
@@ -180,10 +173,7 @@ pub(crate) fn load(custom_dir: Option<&Path>) -> Vec<ProviderSpec> {
            id,
        };
        match specs.iter_mut().find(|s| s.id == spec.id) {
-            Some(existing) => {
-                spec.login_hint = existing.login_hint.clone();
-                *existing = spec;
-            }
+            Some(existing) => *existing = spec,
            None => specs.push(spec),
        }
    }
@@ -165,13 +165,6 @@ fn parse(text: &str) -> IdeResult<Vec<Entry>> {
        .into_iter()
        .filter_map(|v| serde_json::from_value::<Entry>(v).ok())
        .filter(|e| safe_segment(&e.id) && safe_segment(&e.version))
-        .map(|mut e| {
-            e.id = canonical_id(&e.id).to_owned();
-            if let Some(name) = provider::builtin_name(&e.id) {
-                e.name = name.to_owned();
-            }
-            e
-        })
        .collect())
 }

@@ -229,26 +222,14 @@ fn choose<'a>(entry: &'a Entry, platform: Platform, on_path: &dyn Fn(&str) -> bo
    {
        return Some(Choice::Uvx(p));
    }
-    // Last resort: npx and uvx run natively, this one under OS emulation.
-    if platform.os == Os::Windows
-        && platform.arch == Arch::Arm64
-        && let Some(b) = d.binary.get("windows-x86_64")
-    {
-        return Some(Choice::Binary(b));
-    }
    None
 }

-/// Registry ids that map to a shorter built-in provider id (`<config>/agents/<id>.toml`).
-const BUILTIN_ALIASES: &[(&str, &str)] =
-    &[("github-copilot-cli", "copilot"), ("qwen-code", "qwen"), ("mistral-vibe", "vibe")];
-
-fn canonical_id(id: &str) -> &str {
-    BUILTIN_ALIASES.iter().find_map(|&(alias, canonical)| (alias == id).then_some(canonical)).unwrap_or(id)
-}
+/// Registry agents that are built-in ones under another id.
+const BUILTIN_ALIASES: &[&str] = &["github-copilot-cli", "qwen-code", "mistral-vibe"];

 fn is_builtin(id: &str) -> bool {
-    provider::is_builtin(canonical_id(id))
+    provider::is_builtin(id) || BUILTIN_ALIASES.contains(&id)
 }

 fn on_path(command: &str) -> bool {
@@ -354,7 +335,7 @@ pub fn mark_updates(paths: &RegistryPaths, providers: &mut [AgentProvider]) {

 /// HTTPS only, redirects included. Tests serve downloads over `file://`.
 fn http() -> IdeResult<Http> {
-    let http = Http::new(&ide_core::tool_path::search_path())?;
+    let http = Http::new(&ide_tools::default_search_path())?;
    Ok(if cfg!(test) { http } else { http.https_only() })
 }

@@ -399,7 +380,6 @@ fn write_atomic(path: &Path, bytes: &[u8]) -> std::io::Result<()> {
 /// Installs (or updates to) the registry's current version of `id`, streaming progress
 /// through `emit`, and points the agent file at it.
 pub fn install(paths: &RegistryPaths, id: &str, cancel: &CancellationToken, emit: Emit) -> IdeResult<()> {
-    let id = canonical_id(id);
    // The saved index is what the user picked from; fetch only when there is none.
    let text = match fs::read_to_string(&paths.cache_file) {
        Ok(text) => text,
@@ -631,7 +611,6 @@ fn install_uv(

 /// Deletes a registry agent's file and installed files.
 pub fn remove(paths: &RegistryPaths, id: &str) -> IdeResult<()> {
-    let id = canonical_id(id);
    if !safe_segment(id) {
        return Err(IdeError::invalid(format!("invalid agent id {id}")));
    }
@@ -710,20 +689,6 @@ mod tests {
    const LINUX: Platform = Platform { os: Os::Linux, arch: Arch::X64 };
    const WINDOWS: Platform = Platform { os: Os::Windows, arch: Arch::X64 };

-    #[test]
-    fn windows_arm_binary_prefers_native_then_x64() {
-        let mut entry = parse(INDEX).unwrap().remove(0);
-        let arm = Platform { os: Os::Windows, arch: Arch::Arm64 };
-        assert!(matches!(choose(&entry, arm, &|_| false), Some(Choice::Binary(_))));
-        assert!(choose(&entry, Platform { os: Os::Linux, arch: Arch::Arm64 }, &|_| false).is_none());
-        entry.distribution.npx = Some(serde_json::from_str(r#"{"package":"amp-acp"}"#).unwrap());
-        assert!(matches!(choose(&entry, arm, &|_| true), Some(Choice::Npx(_))));
-        let mut native = entry.distribution.binary["windows-x86_64"].clone();
-        native.cmd = "native.exe".into();
-        entry.distribution.binary.insert("windows-aarch64".into(), native);
-        assert!(matches!(choose(&entry, arm, &|_| false), Some(Choice::Binary(b)) if b.cmd == "native.exe"));
-    }
-
    const INDEX: &str = r#"{"version":"1.0.0","agents":[
        {"id":"amp-acp","name":"Amp","version":"0.10.0","description":"Amp over ACP",
         "repository":"https://github.com/x/amp-acp","authors":["x"],"license":"Apache-2.0",
@@ -960,64 +925,4 @@ mod tests {
        assert!(remove(&p, "amp-acp").is_err());
        assert!(p.agent_file("amp-acp").exists());
    }
-
-    #[test]
-    fn maps_github_copilot_cli_to_builtin_copilot_and_tracks_updates() {
-        let dir = tempfile::tempdir().unwrap();
-        let p = paths(dir.path());
-        let index = r#"{"agents":[
-            {"id":"github-copilot-cli","name":"Copilot","version":"1.0.105",
-             "description":"GitHub's AI pair programmer",
-             "distribution":{"npx":{"package":"@github/[email protected]","args":["--acp"]}}}
-        ]}"#;
-        let entries = parse(index).unwrap();
-        assert_eq!(entries.len(), 1);
-        assert_eq!((entries[0].id.as_str(), entries[0].name.as_str()), ("copilot", "GitHub Copilot"));
-
-        let shown = visible(&p, &entries, MAC_ARM, &|c| c == "npm" || c == "node");
-        assert_eq!(shown.len(), 1);
-        assert_eq!(
-            (shown[0].id.as_str(), shown[0].name.as_str(), shown[0].installed.as_deref()),
-            ("copilot", "GitHub Copilot", None)
-        );
-
-        CustomAgent {
-            name: Some("GitHub Copilot".into()),
-            driver: Driver::Acp,
-            command: "/data/tools/copilot/1.0.104/node_modules/.bin/copilot".into(),
-            args: vec!["--acp".into()],
-            env: BTreeMap::new(),
-            registry: Some(RegistryRef { id: "copilot".into(), version: "1.0.104".into() }),
-        }
-        .write(&p.agent_file("copilot"))
-        .unwrap();
-
-        let shown = visible(&p, &entries, MAC_ARM, &|c| c == "npm" || c == "node");
-        assert_eq!((shown[0].installed.as_deref(), shown[0].update), (Some("1.0.104"), true));
-
-        write_atomic(&p.cache_file, index.as_bytes()).unwrap();
-        let spec = provider::load(Some(&p.agents_dir)).into_iter().find(|s| s.id == "copilot").unwrap();
-        assert_eq!(spec.name, "GitHub Copilot");
-        assert_eq!(spec.login_hint, "Run `copilot` in a terminal and sign in.");
-        assert_eq!(spec.source, AgentSource::Registry { version: "1.0.104".into(), update: None });
-
-        let mut providers = vec![AgentProvider {
-            id: spec.id,
-            name: spec.name,
-            command: spec.command,
-            installed: true,
-            config: vec![],
-            commands: vec![],
-            source: spec.source,
-        }];
-        mark_updates(&p, &mut providers);
-        assert_eq!(
-            providers[0].source,
-            AgentSource::Registry { version: "1.0.104".into(), update: Some("1.0.105".into()) }
-        );
-
-        remove(&p, "github-copilot-cli").unwrap();
-        let fallback = provider::load(Some(&p.agents_dir)).into_iter().find(|s| s.id == "copilot").unwrap();
-        assert_eq!(fallback.source, AgentSource::Builtin);
-    }
 }
@@ -185,23 +185,7 @@ pub(crate) fn recorder(out: PathBuf) -> Connector {
    let file = Arc::new(Mutex::new(String::new()));
    let connections = Arc::new(Mutex::new(0u32));
    Arc::new(move |spec, cwd, client, on_stderr| {
-        let program = {
-            let path = Path::new(&spec.command);
-            if path.components().count() > 1 || path.is_absolute() {
-                path.to_path_buf()
-            } else {
-                let search = spec
-                    .env
-                    .iter()
-                    .find(|(k, _)| k.eq_ignore_ascii_case("PATH"))
-                    .map(|(_, v)| std::ffi::OsString::from(v))
-                    .or_else(|| ide_core::process::shell_env().find(|(k, _)| k == "PATH").map(|(_, v)| v))
-                    .or_else(|| ide_core::process::host_var_os("PATH"))
-                    .unwrap_or_default();
-                ide_core::process::find_executable(&spec.command, &search).unwrap_or_else(|| path.to_path_buf())
-            }
-        };
-        let mut cmd = tokio::process::Command::new(&program);
+        let mut cmd = tokio::process::Command::new(&spec.command);
        ide_core::process::prepare(cmd.as_std_mut());
        let mut child = cmd
            .args(&spec.args)
@@ -56,7 +56,6 @@ fn config(provider: &str) -> Vec<AgentConfigChoice> {

 async fn create(mgr: &AgentManager, provider: &str, prompt: &str) -> String {
    let req = NewAgentTask {
-        project_root: None,
        prompt: text(prompt),
        provider: provider.into(),
        config: config(provider),
@@ -210,11 +210,10 @@ async fn commands_are_remembered_per_project_and_merged_with_skills_on_disk() {
    let names = |c: Vec<AgentCommand>| c.into_iter().map(|c| c.name).collect::<Vec<_>>();

    let mgr_a = manager_at(&a, &models, Arc::new(FakeAgent::default()));
-    // Before any session: only the skills on disk.
+    // Before any session: the skills on disk.
    assert_eq!(names(mgr_a.commands("claude", None).await.unwrap()), ["triage"]);
    let task = mgr_a
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("Fix the lexer"),
            provider: "claude".into(),
            config: Vec::new(),
@@ -228,8 +227,6 @@ async fn commands_are_remembered_per_project_and_merged_with_skills_on_disk() {
    assert_eq!(names(mgr_a.commands("claude", Some(&task.id)).await.unwrap()), ["review", "triage"]);
    // Other agents get only what they offered.
    assert!(mgr_a.commands("codex", None).await.unwrap().is_empty());
-    mgr_a.cancel(&task.id, None).unwrap();
-    wait_for(&mgr_a, &task.id, AgentStatus::Ready).await;
    mgr_a.shutdown();

    // Another project shares the settings but not the commands.
@@ -242,46 +239,6 @@ async fn commands_are_remembered_per_project_and_merged_with_skills_on_disk() {
    assert_eq!(names(mgr_a.providers().into_iter().find(|p| p.id == "claude").unwrap().commands), ["review"]);
 }

-#[tokio::test(flavor = "multi_thread")]
-async fn builtin_commands_only_fill_verified_gaps_and_preserve_advertised_metadata() {
-    let tmp = tempfile::tempdir().unwrap();
-    let agent = Arc::new(FakeAgent::default());
-    let mgr = manager_at(tmp.path(), &tmp.path().join("models.json"), agent);
-    for provider in ["claude", "claude-acp", "opencode2", "codex", "custom"] {
-        assert!(mgr.commands(provider, None).await.unwrap().is_empty(), "{provider}");
-    }
-    let commands = mgr.commands("opencode", None).await.unwrap();
-    assert_eq!(commands.iter().map(|c| c.name.as_str()).collect::<Vec<_>>(), ["compact"]);
-    let task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("Hello"),
-            provider: "opencode".into(),
-            config: Vec::new(),
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::NeedsInput).await;
-    let advertised = AgentCommand {
-        name: "compact".into(),
-        description: "Agent supplied description".into(),
-        hint: Some("instructions".into()),
-    };
-    mgr.task(&task.id).unwrap().state.lock().task.commands = vec![advertised.clone()];
-    // The task's provider wins over the caller's provider; metadata is not replaced.
-    let commands = mgr.commands("claude", Some(&task.id)).await.unwrap();
-    assert_eq!(commands.len(), 1);
-    assert_eq!(commands[0].name, advertised.name);
-    assert_eq!(commands[0].description, advertised.description);
-    assert_eq!(commands[0].hint, advertised.hint);
-    // Finish the in-process agent before Tokio stops driving its permission response.
-    mgr.cancel(&task.id, None).unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    mgr.shutdown();
-}
-
 async fn wait_for(mgr: &AgentManager, id: &str, status: AgentStatus) {
    for _ in 0..500 {
        let task = mgr.task(id).unwrap();
@@ -311,7 +268,6 @@ async fn a_task_runs_asks_for_permission_and_survives_a_restart() {

    let task = mgr
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("Fix the lexer\nmore detail"),
            provider: "claude".into(),
            config: vec![AgentConfigChoice { id: "model".into(), value: "small".into() }],
@@ -418,7 +374,6 @@ async fn messages_sent_while_busy_are_queued_and_send_now_interrupts() {
    let mgr = manager(tmp.path(), agent.clone());
    let task = mgr
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("wait"),
            provider: "claude".into(),
            config: vec![],
@@ -473,7 +428,6 @@ async fn subagents_get_their_own_conversation() {
    let mgr = manager(tmp.path(), agent.clone());
    let task = mgr
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("delegate"),
            provider: "claude".into(),
            config: vec![],
@@ -567,7 +521,6 @@ async fn cancelling_resolves_the_open_permission_and_delete_forgets_the_task() {
    let mgr = manager(tmp.path(), Arc::new(FakeAgent::default()));
    let task = mgr
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("do it"),
            provider: "codex".into(),
            config: vec![],
@@ -589,7 +542,6 @@ async fn cancelling_resolves_the_open_permission_and_delete_forgets_the_task() {
    assert!(!tmp.path().join("store").join(format!("{}.json", task.id)).exists());
    assert!(
        mgr.create(NewAgentTask {
-            project_root: None,
            prompt: text(" "),
            provider: "codex".into(),
            config: vec![],
@@ -635,7 +587,6 @@ async fn real_claude_task_in_a_worktree() {
    );
    let task = mgr
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("Create a file named hello.txt containing the single word hi. Do nothing else."),
            provider: "claude".into(),
            config: vec![AgentConfigChoice { id: "model".into(), value: "haiku".into() }],
@@ -684,7 +635,6 @@ async fn forks_rollbacks_and_steering() {
    let agent = Arc::new(FakeAgent::default());
    let mgr = manager(tmp.path(), agent.clone());
    let new = |prompt: &str| NewAgentTask {
-        project_root: None,
        prompt: text(prompt),
        provider: "claude".into(),
        config: Vec::new(),
@@ -735,7 +685,6 @@ async fn usage_limits_and_late_settings() {
    let mgr = manager(tmp.path(), agent.clone());
    let task = mgr
        .create(NewAgentTask {
-            project_root: None,
            prompt: text("limit"),
            provider: "claude".into(),
            // `effort` isn't offered until the session runs.
@@ -760,260 +709,3 @@ async fn usage_limits_and_late_settings() {
    let config = mgr.task(&task.id).unwrap().state.lock().task.config.clone();
    assert_eq!(config.iter().find(|o| o.id == "effort").unwrap().current.as_deref(), Some("high"));
 }
-
-#[test]
-fn retry_updates_become_a_countdown() {
-    let update =
-        json!({"sessionUpdate": RETRY_UPDATE, "attempt": 2, "maxRetries": 10, "retryDelayMs": 1500, "error": ""});
-    assert_eq!(
-        retry_of(&update, 1000.0),
-        Some(AgentRetry { attempt: 2, max_retries: Some(10), retry_at_ms: 2500.0, error: None })
-    );
-    assert_eq!(retry_of(&json!({"sessionUpdate": RETRY_UPDATE}), 0.0), None, "no attempt");
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn cursor_approval_switch_resolves_pending_and_survives_restart() {
-    let tmp = tempfile::tempdir().unwrap();
-    let agent = Arc::new(FakeAgent::default());
-    let mgr = manager(tmp.path(), agent.clone());
-    let new = || NewAgentTask {
-        project_root: None,
-        prompt: text("Fix"),
-        provider: "cursor".into(),
-        config: Vec::new(),
-        isolation: Isolation::Local,
-        base: None,
-    };
-    let task = mgr.create(new()).await.unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::NeedsInput).await;
-    mgr.set_config(&task.id, config::CURSOR_APPROVAL, "bypass".into()).await.unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    assert!(
-        mgr.entries(&task.id, None)
-            .unwrap()
-            .iter()
-            .any(|e| matches!(e, AgentEntry::Permission { chosen: Some(name), .. } if name == "Allow"))
-    );
-    // Agent config updates must not erase the client's approval setting.
-    mgr.prompt(&task.id, text("late option"), false).await.unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    let t = mgr.task(&task.id).unwrap();
-    assert!(config::bypass_approvals("cursor", &t.state.lock().task.config));
-    t.kill();
-    mgr.prompt(&task.id, text("Fix again"), false).await.unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    assert!(!agent.calls.lock().iter().any(|c| c.contains("bypass")));
-    assert!(config::bypass_approvals("cursor", &mgr.shared.known_config("cursor")));
-    mgr.set_config(&task.id, config::CURSOR_APPROVAL, "ask".into()).await.unwrap();
-    mgr.prompt(&task.id, text("Fix once more"), false).await.unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::NeedsInput).await;
-    mgr.cancel(&task.id, None).unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    // A task created without choosing approvals still asks; the New Task page sends the default.
-    let other = mgr.create(new()).await.unwrap();
-    wait_for(&mgr, &other.id, AgentStatus::NeedsInput).await;
-    mgr.cancel(&other.id, None).unwrap();
-    wait_for(&mgr, &other.id, AgentStatus::Ready).await;
-    mgr.shutdown();
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn cursor_approval_choice_applies_before_first_prompt() {
-    let tmp = tempfile::tempdir().unwrap();
-    let mgr = manager(tmp.path(), Arc::new(FakeAgent::default()));
-    let task = mgr
-        .create(NewAgentTask {
-            project_root: None,
-            prompt: text("Fix"),
-            provider: "cursor".into(),
-            config: vec![AgentConfigChoice { id: config::CURSOR_APPROVAL.into(), value: "bypass".into() }],
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    mgr.shutdown();
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn archived_tasks_can_be_restored_and_continue_their_session() {
-    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![],
-            isolation: Isolation::Local,
-            base: None,
-        })
-        .await
-        .unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    let entries = mgr.entries(&task.id, None).unwrap();
-    mgr.archive(&task.id).unwrap();
-    assert!(mgr.prompt(&task.id, text("again"), false).await.is_err());
-    mgr.unarchive(&task.id).unwrap();
-    assert_eq!(mgr.task(&task.id).unwrap().state.lock().task.status, AgentStatus::Ready);
-    assert!(mgr.task(&task.id).unwrap().live.lock().is_none());
-    assert_eq!(mgr.entries(&task.id, None).unwrap().len(), entries.len());
-    drop(mgr);
-    let mgr = manager(tmp.path(), agent.clone());
-    assert_eq!(mgr.task(&task.id).unwrap().state.lock().task.status, AgentStatus::Ready);
-    mgr.prompt(&task.id, text("again"), false).await.unwrap();
-    wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-    assert!(agent.calls.lock().iter().any(|call| call == "session/load"));
-    assert_eq!(mgr.entries(&task.id, None).unwrap().len(), entries.len() + 2);
-    mgr.unarchive(&task.id).unwrap();
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn task_project_root_controls_local_and_worktree_repositories() {
-    let tmp = tempfile::tempdir().unwrap();
-    let root = dunce::canonicalize(tmp.path()).unwrap();
-    let member = root.join("project-b");
-    std::fs::create_dir(&member).unwrap();
-    let git = |args: &[&str]| {
-        let out = std::process::Command::new("git")
-            .args(["-c", "user.name=t", "-c", "user.email=t@t", "-c", "commit.gpgsign=false"])
-            .args(args)
-            .current_dir(&member)
-            .output()
-            .unwrap();
-        assert!(out.status.success(), "{}", String::from_utf8_lossy(&out.stderr));
-        String::from_utf8_lossy(&out.stdout).trim().to_owned()
-    };
-    git(&["init", "-q", "-b", "member-main"]);
-    std::fs::write(member.join("file.txt"), "original\n").unwrap();
-    git(&["add", "."]);
-    git(&["commit", "-qm", "initial"]);
-    let mgr = manager(&root, Arc::new(FakeAgent::default()));
-    for isolation in [Isolation::Local, Isolation::Worktree] {
-        let task = mgr
-            .create(NewAgentTask {
-                project_root: Some(IpcPath(member.clone())),
-                prompt: text("member task"),
-                provider: "claude".into(),
-                config: vec![],
-                isolation,
-                base: None,
-            })
-            .await
-            .unwrap();
-        wait_for(&mgr, &task.id, AgentStatus::NeedsInput).await;
-        let permission = mgr
-            .entries(&task.id, None)
-            .unwrap()
-            .iter()
-            .find_map(|e| match e {
-                AgentEntry::Permission { id, .. } => Some(*id),
-                _ => None,
-            })
-            .unwrap();
-        mgr.respond(&task.id, permission, Some("yes".into())).unwrap();
-        wait_for(&mgr, &task.id, AgentStatus::Ready).await;
-        assert_eq!(task.project_root, Some(IpcPath(member.clone())));
-        assert_eq!(task.base.as_deref(), Some("member-main"));
-        if isolation == Isolation::Local {
-            assert_eq!(task.cwd.0, member);
-        } else {
-            assert_ne!(task.cwd.0, member);
-            assert_eq!(std::fs::read_to_string(task.cwd.0.join("file.txt")).unwrap(), "original\n");
-        }
-        std::fs::write(task.cwd.0.join("file.txt"), "changed\n").unwrap();
-        let changes = mgr.changes(&task.id).await.unwrap();
-        assert_eq!(changes.len(), 1);
-        assert_eq!(changes[0].path.0, task.cwd.0.join("file.txt"));
-        assert_eq!(mgr.base_text(&task.id, changes[0].path.0.clone()).await.unwrap().as_deref(), Some("original\n"));
-        let saved = std::fs::read(root.join("store").join(format!("{}.json", task.id))).unwrap();
-        assert!(String::from_utf8(saved).unwrap().contains("projectRoot"));
-        let mut old = serde_json::to_value(&task).unwrap();
-        old.as_object_mut().unwrap().remove("projectRoot");
-        assert!(serde_json::from_value::<AgentTask>(old).unwrap().project_root.is_none());
-        mgr.delete(&task.id, true).await.unwrap();
-        if isolation == Isolation::Worktree {
-            assert!(!task.cwd.0.exists());
-        }
-        std::fs::write(member.join("file.txt"), "original\n").unwrap();
-    }
-    assert_eq!(git(&["worktree", "list", "--porcelain"]).matches("worktree ").count(), 1);
-}
-
-#[tokio::test(flavor = "multi_thread")]
-async fn reload_providers_updates_registry_install_clears_stale_probes_and_notifies_subscribers() {
-    let tmp = tempfile::tempdir().unwrap();
-    let agents_dir = tmp.path().join("agents");
-    std::fs::create_dir_all(&agents_dir).unwrap();
-    let fake_bin = tmp.path().join(if cfg!(windows) { "copilot.cmd" } else { "copilot" });
-    std::fs::write(&fake_bin, "").unwrap();
-    #[cfg(unix)]
-    {
-        use std::os::unix::fs::PermissionsExt;
-        std::fs::set_permissions(&fake_bin, std::fs::Permissions::from_mode(0o755)).unwrap();
-    }
-
-    let agent = Arc::new(FakeAgent::default());
-    let connector: Connector = {
-        let agent = agent.clone();
-        Arc::new(move |_spec, _cwd, client, _stderr| {
-            let (a, b) = duplex(1 << 20);
-            let (ar, aw) = tokio::io::split(a);
-            let (br, bw) = tokio::io::split(b);
-            let server = Peer::connect_framed(br, bw, agent.clone(), Framing::Lines);
-            agent.servers.lock().push(server);
-            Ok(Peer::connect_framed(ar, aw, client, Framing::Lines))
-        })
-    };
-    let mgr = AgentManager::with_connector(
-        AgentPaths {
-            project_root: tmp.path().to_path_buf(),
-            store_dir: tmp.path().join("store"),
-            worktrees_dir: tmp.path().join("worktrees"),
-            models_file: tmp.path().join("models.json"),
-            custom_agents_dir: Some(agents_dir.clone()),
-            home_dir: None,
-        },
-        tokio::runtime::Handle::current(),
-        connector,
-    );
-
-    // Seed a stale failed probe for copilot before installing its custom TOML.
-    mgr.shared.probes.lock().insert(
-        "copilot".into(),
-        AgentProbe {
-            provider: "copilot".into(),
-            name: None,
-            version: None,
-            protocol: "ACP".into(),
-            capabilities: AgentCapabilities::default(),
-            auth_methods: Vec::new(),
-            error: Some("copilot --acp was not found on PATH.".into()),
-        },
-    );
-
-    let events = Arc::new(Mutex::new(Vec::new()));
-    let events_sink = events.clone();
-    mgr.subscribe(Arc::new(move |ev| events_sink.lock().push(ev)));
-
-    let toml = format!(
-        "name = \"GitHub Copilot\"\ncommand = {:?}\nargs = [\"--acp\", \"--stdio\"]\n",
-        fake_bin.to_string_lossy()
-    );
-    std::fs::write(agents_dir.join("copilot.toml"), toml).unwrap();
-
-    mgr.reload_providers();
-
-    assert!(events.lock().iter().any(|ev| matches!(ev, AgentEvent::Providers)));
-    assert!(!mgr.shared.probes.lock().contains_key("copilot"));
-
-    let copilot = mgr.providers().into_iter().find(|p| p.id == "copilot").unwrap();
-    assert!(copilot.installed);
-    assert!(copilot.command.contains(&*fake_bin.to_string_lossy()));
-
-    let probe = mgr.probe("copilot", false).await.unwrap();
-    assert!(probe.error.is_none());
-}
@@ -446,7 +446,6 @@ mod tests {
        let user = |sent: f64| AgentEntry::User {
            text: "q".into(),
            attachments: vec![],
-            images: vec![],
            sent_ms: Some(sent),
            done_ms: None,
            steered: false,
@@ -48,30 +48,13 @@ pub(crate) fn create(project_root: &Path, worktrees_dir: &Path, title: &str, bas
    Ok(Created { path, branch, base, base_commit })
 }

-/// `git worktree remove --force -- <path>`. When git no longer recognizes the
-/// worktree (a pruned registration, a moved repository, a deleted `.git` file)
-/// it fails with "is not a working tree". A folder under `worktrees_dir` is still
-/// ours, so it is removed directly to keep the task deletable (a stale
-/// registration prunes later); anything else keeps git's error.
-pub(crate) fn remove(project_root: &Path, worktrees_dir: &Path, path: &Path) -> IdeResult<()> {
-    let repo = repo_at(project_root)?;
-    let err = match repo.remove_worktree(path, true) {
-        Ok(()) => return Ok(()),
-        Err(e) => e,
-    };
-    if !path.exists() {
-        return Ok(());
-    }
-    if !path.starts_with(worktrees_dir) || path == worktrees_dir {
-        return Err(err);
-    }
-    std::fs::remove_dir_all(path).map_err(|e| IdeError::internal(e.to_string()))
+pub(crate) fn remove(project_root: &Path, path: &Path) -> IdeResult<()> {
+    repo_at(project_root)?.remove_worktree(path, true)
 }

 /// Files under `cwd` that differ from `base` (untracked files included), with line counts.
-/// Outside a repository there is nothing to compare against: no changes.
 pub(crate) fn changes(cwd: &Path, base: &str) -> IdeResult<Vec<AgentChange>> {
-    let Some(repo) = Repo::discover(cwd)? else { return Ok(Vec::new()) };
+    let repo = repo_at(cwd)?;
    let root = repo.root().to_path_buf();
    let stats = repo.numstat_with_worktree(base)?;
    let stat = |rel: &str| stats.iter().find(|(p, ..)| p == rel).map_or((0, 0), |&(_, a, r)| (a, r));
@@ -113,12 +96,7 @@ pub(crate) fn without_untouched(changes: Vec<AgentChange>, before: &BTreeMap<Str
 }

 pub(crate) fn file_at(cwd: &Path, path: &Path, rev: &str) -> IdeResult<Option<String>> {
-    let Some(repo) = Repo::discover(cwd)? else { return Ok(None) };
-    let encoding = match ide_vfs::load_text(path) {
-        Ok(loaded) => encoding_rs::Encoding::for_label(loaded.encoding.as_bytes()).unwrap_or(encoding_rs::UTF_8),
-        Err(_) => ide_vfs::detect_encoding(&repo.file_bytes_at(path, Some(rev))?.unwrap_or_default(), None),
-    };
-    repo.file_at(path, Some(rev), encoding)
+    repo_at(cwd)?.file_at(path, Some(rev))
 }

 /// A short ASCII branch-safe name from the task title.
@@ -158,20 +136,6 @@ mod tests {
        assert_eq!(unique_slug("x", |s| s == "x" || s == "x-2"), "x-3");
    }

-    #[test]
-    fn outside_a_repository_there_is_nothing_to_compare() {
-        let tmp = tempfile::tempdir().unwrap();
-        let dir = tmp.path().join("plain");
-        std::fs::create_dir(&dir).unwrap();
-        std::fs::write(dir.join("a.txt"), "one\n").unwrap();
-
-        assert!(changes(&dir, "HEAD").unwrap().is_empty());
-        assert!(snapshot(&dir).unwrap().is_empty());
-        assert_eq!(file_at(&dir, &dir.join("a.txt"), "HEAD").unwrap(), None);
-        assert!(create(&dir, &tmp.path().join("wt"), "Edit A", None).is_err());
-        assert!(remove(&dir, tmp.path(), &dir).is_err());
-    }
-
    fn git(dir: &Path, args: &[&str]) {
        let ok = std::process::Command::new("git")
            .args(["-c", "user.name=t", "-c", "user.email=t@t", "-c", "commit.gpgsign=false"])
@@ -218,38 +182,7 @@ mod tests {

        // A second task with the same title gets its own worktree.
        assert_eq!(create(&repo, &tmp.path().join("wt"), "Edit A", None).unwrap().branch, "agent/edit-a-2");
-        remove(&repo, &tmp.path().join("wt"), &created.path).unwrap();
+        remove(&repo, &created.path).unwrap();
        assert!(!created.path.exists());
    }
-
-    #[test]
-    fn a_broken_worktree_registration_still_leaves_a_deletable_folder() {
-        let tmp = tempfile::tempdir().unwrap();
-        let repo = tmp.path().join("repo");
-        std::fs::create_dir(&repo).unwrap();
-        git(&repo, &["init", "-q", "-b", "main"]);
-        std::fs::write(repo.join("a.txt"), "one\n").unwrap();
-        git(&repo, &["add", "."]);
-        git(&repo, &["commit", "-q", "-m", "init"]);
-
-        // A pruned registration (the repository moved, `git worktree prune` ran).
-        let created = create(&repo, &tmp.path().join("wt"), "Edit A", None).unwrap();
-        let registration = repo.join(".git/worktrees").join(created.path.file_name().unwrap());
-        std::fs::remove_dir_all(registration).unwrap();
-        remove(&repo, &tmp.path().join("wt"), &created.path).unwrap();
-        assert!(!created.path.exists());
-
-        // A deleted `.git` file in the worktree itself.
-        let created = create(&repo, &tmp.path().join("wt"), "Edit B", None).unwrap();
-        std::fs::remove_file(created.path.join(".git")).unwrap();
-        remove(&repo, &tmp.path().join("wt"), &created.path).unwrap();
-        assert!(!created.path.exists());
-
-        // A folder outside the worktrees directory is never deleted by hand.
-        let elsewhere = tmp.path().join("elsewhere");
-        std::fs::create_dir(&elsewhere).unwrap();
-        std::fs::write(elsewhere.join("keep.txt"), "x\n").unwrap();
-        assert!(remove(&repo, &tmp.path().join("wt"), &elsewhere).is_err());
-        assert!(elsewhere.join("keep.txt").exists());
-    }
 }
@@ -8,12 +8,14 @@ license.workspace = true
 [dependencies]
 dunce.workspace = true
 ide-core.workspace = true
-zip.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 specta.workspace = true
 tracing.workspace = true
 dirs.workspace = true

+[target.'cfg(unix)'.dependencies]
+libc = "0.2"
+
 [dev-dependencies]
 tempfile.workspace = true
@@ -1,218 +0,0 @@
-//! Resource processing by the project's build tool, then publishing to the live JVM's output directory.
-use crate::BuildModel;
-use ide_core::{IdeError, IdeResult};
-use std::collections::BTreeMap;
-use std::fs;
-use std::path::{Path, PathBuf};
-
-pub struct ResourceBuild {
-    pub command: String,
-    pub args: Vec<String>,
-    pub cwd: String,
-    pub env: BTreeMap<String, String>,
-    pub kind: &'static str,
-}
-
-fn literal(value: &str) -> String {
-    format!("'{}'", value.replace('\\', "\\\\").replace('\'', "\\'"))
-}
-
-pub fn plan(root: &Path, model: &BuildModel, module: &Path, cache: &Path) -> IdeResult<ResourceBuild> {
-    fs::create_dir_all(cache)?;
-    let manifest = cache.join("resource-output.txt");
-    if manifest.exists() {
-        fs::remove_file(&manifest)?;
-    }
-    let module = dunce::canonicalize(root.join(module))?;
-    if let Some(p) = model.maven.as_ref().and_then(|m| m.projects.iter().find(|p| root.join(&p.dir) == module)) {
-        let mut args = p.options.clone();
-        args.extend([
-            "process-resources".into(),
-            "help:evaluate".into(),
-            "-Dexpression=project.build.outputDirectory".into(),
-            format!("-Doutput={}", manifest.display()),
-        ]);
-        return Ok(ResourceBuild {
-            command: p.command.clone(),
-            args,
-            cwd: p.dir.clone(),
-            env: p.env.clone(),
-            kind: "maven",
-        });
-    }
-    if let Some(g) = &model.gradle
-        && let Some(p) = g.projects.iter().find(|p| root.join(&p.dir) == module)
-    {
-        let script = cache.join("resources.init.gradle");
-        fs::write(
-            &script,
-            format!(
-                r#"gradle.projectsEvaluated {{
-    def p = gradle.rootProject.project({})
-    def resources = p.tasks.named('processResources')
-    p.tasks.register('openideaUpdateResources') {{
-        dependsOn resources
-        doLast {{ new File({}).setText(resources.get().destinationDir.absolutePath, 'UTF-8') }}
-    }}
-}}
-"#,
-                literal(&p.path),
-                literal(&manifest.to_string_lossy())
-            ),
-        )?;
-        return Ok(ResourceBuild {
-            command: g.command.clone(),
-            args: vec![
-                "--init-script".into(),
-                script.to_string_lossy().into_owned(),
-                format!("{}:openideaUpdateResources", p.path.trim_end_matches(':')),
-            ],
-            cwd: g.dir.clone(),
-            env: g.env.clone(),
-            kind: "gradle",
-        });
-    }
-    Err(IdeError::invalid("The Spring Boot module must belong to a linked Maven or Gradle build"))
-}
-
-pub fn publish(root: &Path, cache: &Path, class_paths: &[String], main_class: &str) -> IdeResult<()> {
-    let output = PathBuf::from(fs::read_to_string(cache.join("resource-output.txt"))?.trim());
-    if !output.is_absolute() || !output.is_dir() {
-        return Err(IdeError::invalid("The resource build did not report an output directory"));
-    }
-    let output = dunce::canonicalize(output)?;
-    let paths: Vec<_> = class_paths.iter().filter_map(|p| dunce::canonicalize(root.join(p)).ok()).collect();
-    // A separate resource directory is already on the runtime classpath (e.g. build/resources/main).
-    if paths.contains(&output) {
-        return Ok(());
-    }
-    // jdtls uses bin/main for Gradle, rather than Gradle's build/resources/main.
-    let class_file = main_class.split('.').collect::<PathBuf>().with_extension("class");
-    let destination = paths.iter().find(|p| p.join(&class_file).is_file()).ok_or_else(|| {
-        IdeError::invalid("Cannot find the running main class output directory; restart the application")
-    })?;
-    let previous: Vec<String> = fs::read(cache.join("published-resources.json"))
-        .ok()
-        .and_then(|bytes| serde_json::from_slice(&bytes).ok())
-        .unwrap_or_default();
-    let mut current = Vec::new();
-    copy_resources(&output, &output, destination, &mut current)?;
-    for rel in previous.iter().filter(|p| !current.contains(p)) {
-        let path = destination.join(rel);
-        if path.is_file() {
-            fs::remove_file(path)?;
-        }
-    }
-    fs::write(
-        cache.join("published-resources.json"),
-        serde_json::to_vec(&current).map_err(|e| IdeError::internal(e.to_string()))?,
-    )?;
-    Ok(())
-}
-
-fn copy_resources(root: &Path, from: &Path, to: &Path, copied: &mut Vec<String>) -> IdeResult<()> {
-    for entry in fs::read_dir(from)? {
-        let entry = entry?;
-        let path = entry.path();
-        let kind = entry.file_type()?;
-        if kind.is_symlink() {
-            continue;
-        }
-        if kind.is_dir() {
-            copy_resources(root, &path, to, copied)?;
-        } else if kind.is_file() && path.extension().is_none_or(|e| e != "class") {
-            let rel = path.strip_prefix(root).map_err(|e| IdeError::internal(e.to_string()))?;
-            let dest = to.join(rel);
-            if let Some(parent) = dest.parent() {
-                fs::create_dir_all(parent)?;
-            }
-            fs::copy(&path, dest)?;
-            copied.push(rel.to_string_lossy().into_owned());
-        }
-    }
-    Ok(())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn resource_plans_use_the_selected_module_and_build_configuration() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = dunce::canonicalize(tmp.path()).unwrap();
-        fs::create_dir(root.join("app")).unwrap();
-        let mut model = BuildModel {
-            maven: Some(crate::MavenModel {
-                projects: vec![crate::MavenProject {
-                    dir: "app".into(),
-                    command: "/tools/mvnw".into(),
-                    options: vec!["-Pdev".into()],
-                    env: BTreeMap::from([("JAVA_HOME".into(), "/jdk".into())]),
-                    ..Default::default()
-                }],
-                ..Default::default()
-            }),
-            ..Default::default()
-        };
-        let cache = root.join("cache");
-        let maven = plan(&root, &model, Path::new("app"), &cache).unwrap();
-        assert_eq!(maven.command, "/tools/mvnw");
-        assert_eq!(maven.cwd, "app");
-        assert_eq!(maven.args[0..2], ["-Pdev", "process-resources"]);
-        assert!(maven.args.contains(&"-Dexpression=project.build.outputDirectory".into()));
-        assert_eq!(maven.env["JAVA_HOME"], "/jdk");
-        model.maven = None;
-        model.gradle = Some(crate::GradleModel {
-            command: "/tools/gradlew".into(),
-            projects: vec![crate::GradleProject { path: ":app".into(), dir: "app".into(), ..Default::default() }],
-            ..Default::default()
-        });
-        let gradle = plan(&root, &model, Path::new("app"), &cache).unwrap();
-        assert_eq!(gradle.command, "/tools/gradlew");
-        assert_eq!(gradle.args.last().unwrap(), ":app:openideaUpdateResources");
-        let script = fs::read_to_string(cache.join("resources.init.gradle")).unwrap();
-        assert!(script.contains("processResources") && script.contains("destinationDir.absolutePath"));
-        assert!(!script.contains("build/resources/main")); // The task owns custom output locations.
-    }
-
-    #[test]
-    fn publishes_maven_and_gradle_resource_outputs_to_the_runtime_classpath() {
-        for layout in ["target/classes", "build/resources/main", "custom resource output"] {
-            let tmp = tempfile::tempdir().unwrap();
-            let root = tmp.path();
-            let cache = root.join("cache");
-            let output = root.join(layout);
-            let runtime = if layout == "target/classes" { output.clone() } else { root.join("bin/main") };
-            fs::create_dir_all(output.join("static")).unwrap();
-            fs::create_dir_all(runtime.join("example")).unwrap();
-            fs::create_dir_all(&cache).unwrap();
-            fs::write(cache.join("resource-output.txt"), output.to_string_lossy().as_bytes()).unwrap();
-            fs::write(output.join("static/index.html"), "after").unwrap();
-            fs::write(output.join("unrelated.class"), "do not publish").unwrap();
-            fs::write(runtime.join("example/Application.class"), "running").unwrap();
-            publish(root, &cache, &[runtime.to_string_lossy().into_owned()], "example.Application").unwrap();
-            assert_eq!(fs::read_to_string(runtime.join("static/index.html")).unwrap(), "after");
-            assert_eq!(fs::read_to_string(runtime.join("example/Application.class")).unwrap(), "running");
-            if output != runtime {
-                assert!(!runtime.join("unrelated.class").exists());
-                fs::remove_file(output.join("static/index.html")).unwrap();
-                publish(root, &cache, &[runtime.to_string_lossy().into_owned()], "example.Application").unwrap();
-                assert!(!runtime.join("static/index.html").exists());
-            }
-        }
-    }
-
-    #[test]
-    fn leaves_separate_runtime_resource_directories_in_place_and_rejects_jar_only_runs() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        let output = root.join("build/resources/main");
-        let cache = root.join("cache");
-        fs::create_dir_all(&output).unwrap();
-        fs::create_dir(&cache).unwrap();
-        fs::write(cache.join("resource-output.txt"), output.to_string_lossy().as_bytes()).unwrap();
-        publish(root, &cache, &[output.to_string_lossy().into_owned()], "a.Main").unwrap();
-        assert!(publish(root, &cache, &["app.jar".into()], "a.Main").is_err());
-    }
-}
@@ -1,321 +0,0 @@
-//! Metadata fingerprints for successful Maven launch builds.
-use super::*;
-use std::fs;
-use std::hash::{Hash, Hasher};
-use std::time::SystemTime;
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-pub struct LaunchFingerprint {
-    version: u32,
-    parameters: String,
-    files: BTreeMap<PathBuf, Option<(u64, SystemTime)>>,
-}
-
-fn scan(
-    path: &Path,
-    files: &mut BTreeMap<PathBuf, Option<(u64, SystemTime)>>,
-    ancestors: &mut HashSet<PathBuf>,
-    cancel: &CancellationToken,
-) -> IdeResult<()> {
-    if cancel.is_cancelled() {
-        return Err(IdeError::cancelled());
-    }
-    let meta = match fs::metadata(path) {
-        Ok(meta) => meta,
-        Err(e) if e.kind() == std::io::ErrorKind::NotFound => {
-            files.insert(path.to_path_buf(), None);
-            return Ok(());
-        }
-        Err(e) => return Err(e.into()),
-    };
-    if meta.is_dir() {
-        let canonical = dunce::canonicalize(path)?;
-        if !ancestors.insert(canonical.clone()) {
-            return Err(IdeError::internal("cyclic launch input directory"));
-        }
-        // Directory mtimes change on irrelevant JDT writes. File paths detect additions/deletions.
-        files.insert(path.to_path_buf(), None);
-        for entry in fs::read_dir(path)? {
-            scan(&entry?.path(), files, ancestors, cancel)?;
-        }
-        ancestors.remove(&canonical);
-    } else if meta.is_file() {
-        files.insert(path.to_path_buf(), Some((meta.len(), meta.modified()?)));
-    } else {
-        return Err(IdeError::internal("unsupported launch input file"));
-    }
-    Ok(())
-}
-
-/// `None` means an input cannot be resolved safely: build normally without reuse.
-/// All filesystem work belongs on the caller's blocking thread.
-pub fn launch_fingerprint(
-    root: &Path,
-    model: &BuildModel,
-    module: &Path,
-    test: bool,
-    local_repo: Option<PathBuf>,
-    cancel: &CancellationToken,
-) -> IdeResult<Option<LaunchFingerprint>> {
-    let Some(m) = &model.maven else { return Ok(None) };
-    let projects = maven_launch_projects(root, m, module, test);
-    if projects.is_empty() {
-        return Ok(None);
-    }
-    let Some(mut inputs) = maven::launch_inputs(root, &projects, local_repo) else { return Ok(None) };
-    let plan = launch_plan(root, model, module, test)?;
-    let mut environment: BTreeMap<String, String> = std::env::vars()
-        .map(|(key, value)| (key.to_ascii_uppercase(), value))
-        .filter(|(key, _)| {
-            key.starts_with("MAVEN_")
-                || key.starts_with("JAVA_")
-                || key.starts_with("JDK_")
-                || matches!(
-                    key.as_str(),
-                    "PATH" | "HOME" | "LANG" | "LC_ALL" | "_JAVA_OPTIONS" | "M2_HOME" | "MAVEN_HOME"
-                )
-        })
-        .collect();
-    // Explicit step values override the inherited environment just as they do in Command.
-    for step in &plan.steps {
-        environment.extend(step.env.iter().map(|(key, value)| (key.to_ascii_uppercase(), value.clone())));
-        for dir in step.cwd.ancestors() {
-            inputs.extend([dir.join(".mvn"), dir.join("mvnw"), dir.join("mvnw.cmd")]);
-            if dir == root {
-                break;
-            }
-        }
-        let program = process::program_path(&step.program, &step.env);
-        inputs.push(program.clone());
-        // Maven installed via a symlink still reads conf from its distribution.
-        if let Ok(program) = dunce::canonicalize(program)
-            && let Some(home) = program.parent().and_then(Path::parent)
-        {
-            for conf in ["conf", "libexec/conf"] {
-                inputs.extend([home.join(conf).join("settings.xml"), home.join(conf).join("toolchains.xml")]);
-            }
-        }
-        if !environment.contains_key("JAVA_HOME") {
-            let java = process::program_path(if cfg!(windows) { "java.exe" } else { "java" }, &step.env);
-            inputs.push(java.clone());
-            if let Ok(java) = dunce::canonicalize(java)
-                && let Some(home) = java.parent().and_then(Path::parent)
-            {
-                inputs.push(home.join("release"));
-            }
-        }
-        for (i, arg) in step.args.iter().enumerate() {
-            if matches!(arg.as_str(), "-s" | "--settings" | "-gs" | "--global-settings" | "-t" | "--toolchains")
-                && let Some(file) = step.args.get(i + 1)
-            {
-                inputs.push(step.cwd.join(file));
-            }
-            for prefix in ["--settings=", "--global-settings=", "--toolchains="] {
-                if let Some(file) = arg.strip_prefix(prefix) {
-                    inputs.push(step.cwd.join(file));
-                }
-            }
-        }
-    }
-    if let Some(home) = dirs::home_dir() {
-        inputs.extend([home.join(".m2/settings.xml"), home.join(".m2/toolchains.xml")]);
-    }
-    for key in ["MAVEN_HOME", "M2_HOME"] {
-        if let Some(home) = environment.get(key) {
-            inputs.extend([Path::new(home).join("conf/settings.xml"), Path::new(home).join("conf/toolchains.xml")]);
-        }
-    }
-    if let Some(home) = environment.get("JAVA_HOME") {
-        inputs.extend([
-            Path::new(home).join("release"),
-            Path::new(home).join("lib/modules"),
-            Path::new(home).join("lib/tools.jar"),
-            Path::new(home).join(if cfg!(windows) { "bin/java.exe" } else { "bin/java" }),
-        ]);
-    }
-    let steps: Vec<_> =
-        plan.steps.iter().map(|s| (process::program_path(&s.program, &s.env), &s.args, &s.cwd, &s.env)).collect();
-    // Profiles and plugins can read arbitrary environment variables. Keep a signature
-    // of the inherited environment without persisting unrelated credentials.
-    let inherited: BTreeMap<_, _> = std::env::vars_os().collect();
-    let mut inherited_hash = std::hash::DefaultHasher::new();
-    inherited.hash(&mut inherited_hash);
-    let parameters =
-        serde_json::to_string(&(root, module, test, steps, environment, inherited_hash.finish(), projects))
-            .map_err(|e| IdeError::internal(e.to_string()))?;
-    let mut files = BTreeMap::new();
-    for path in inputs {
-        scan(&path, &mut files, &mut HashSet::new(), cancel)?;
-    }
-    // Store project inputs relative to the project, including each file's relative path.
-    let files = files.into_iter().map(|(p, stamp)| (p.strip_prefix(root).unwrap_or(&p).to_path_buf(), stamp)).collect();
-    Ok(Some(LaunchFingerprint { version: 1, parameters, files }))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn write(root: &Path, rel: &str, value: &str) {
-        let path = root.join(rel);
-        fs::create_dir_all(path.parent().unwrap()).unwrap();
-        fs::write(path, value).unwrap();
-    }
-
-    fn fixture(root: &Path) -> BuildModel {
-        write(
-            root,
-            "pom.xml",
-            r#"<project><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version>
-            <packaging>pom</packaging><modules><module>lib</module><module>app</module></modules></project>"#,
-        );
-        write(
-            root,
-            "lib/pom.xml",
-            r#"<project><parent><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version></parent>
-            <artifactId>lib</artifactId><build><sourceDirectory>code</sourceDirectory><resources><resource><directory>conf</directory></resource></resources></build></project>"#,
-        );
-        write(
-            root,
-            "app/pom.xml",
-            r#"<project><parent><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version></parent>
-            <artifactId>app</artifactId><dependencies><dependency><groupId>demo</groupId><artifactId>lib</artifactId><version>1</version></dependency></dependencies></project>"#,
-        );
-        write(root, "lib/src/main/kotlin/Channel.kt", "value");
-        write(root, "app/src/main/resources/app.properties", "key=value");
-        write(root, "lib/conf/custom.properties", "custom=value");
-        write(root, "lib/code/Custom.java", "class Custom {}");
-        BuildModel { maven: Some(maven::load(root)), ..Default::default() }
-    }
-
-    fn fingerprint(root: &Path, model: &BuildModel) -> Option<LaunchFingerprint> {
-        launch_fingerprint(root, model, &root.join("app"), false, None, &CancellationToken::new()).unwrap()
-    }
-
-    #[test]
-    fn unchanged_inputs_match_but_source_resource_pom_add_delete_and_mtime_invalidate() {
-        for rel in [
-            "lib/src/main/kotlin/Channel.kt",
-            "app/src/main/resources/app.properties",
-            "lib/conf/custom.properties",
-            "lib/code/Custom.java",
-            "app/pom.xml",
-            "lib/pom.xml",
-            "pom.xml",
-            ".mvn/maven.config",
-            "lib/src/main/groovy/New.groovy",
-            "app/src/test/scala/Test.scala",
-        ] {
-            let dir = tempfile::tempdir().unwrap();
-            let root = dir.path();
-            let model = fixture(root);
-            let before = fingerprint(root, &model);
-            assert!(before.is_some());
-            assert_eq!(before, fingerprint(root, &model), "unchanged {rel}");
-            let serialized = serde_json::to_vec(&before).unwrap();
-            assert_eq!(before, serde_json::from_slice(&serialized).unwrap());
-            let value = if rel.ends_with("pom.xml") {
-                format!("{}<!-- changed -->", fs::read_to_string(root.join(rel)).unwrap())
-            } else {
-                "changed input".to_owned()
-            };
-            write(root, rel, &value);
-            let changed = fingerprint(root, &model);
-            assert_ne!(before, changed, "changed/added {rel}");
-            let file = fs::OpenOptions::new().write(true).open(root.join(rel)).unwrap();
-            file.set_modified(SystemTime::UNIX_EPOCH + std::time::Duration::from_secs(42)).unwrap();
-            let touched = fingerprint(root, &model);
-            assert_ne!(changed, touched, "mtime-only {rel}");
-            fs::remove_file(root.join(rel)).unwrap();
-            assert_ne!(touched, fingerprint(root, &model), "deleted {rel}");
-        }
-    }
-
-    #[test]
-    fn profile_options_jdk_goal_and_wrapper_invalidate_without_using_class_outputs() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let mut model = fixture(root);
-        let before = fingerprint(root, &model);
-        write(root, "lib/target/classes/Channel.class", "JDT stub");
-        write(root, "app/target/classes/Main.class", "JDT stub");
-        assert_eq!(before, fingerprint(root, &model));
-        let mut previous = before.clone();
-        for option in ["-Pdev", "-Pprod", "-DskipTests", "-o"] {
-            model.maven.as_mut().unwrap().projects[0].options = vec![option.into()];
-            let current = fingerprint(root, &model);
-            assert_ne!(previous, current, "{option}");
-            previous = current;
-        }
-        model.maven.as_mut().unwrap().projects[0].options.clear();
-        model.maven.as_mut().unwrap().projects[0]
-            .env
-            .insert("JAVA_HOME".into(), root.join("jdk").to_string_lossy().into_owned());
-        let jdk = fingerprint(root, &model);
-        assert_ne!(before, jdk);
-        write(root, "jdk/release", "JAVA_VERSION=21");
-        assert_ne!(jdk, fingerprint(root, &model));
-        model.maven.as_mut().unwrap().projects[0].env.clear();
-        let test = launch_fingerprint(root, &model, &root.join("app"), true, None, &CancellationToken::new())
-            .unwrap()
-            .unwrap();
-        assert_ne!(before, Some(test));
-        write(root, "mvnw", "wrapper changed");
-        assert_ne!(before, fingerprint(root, &model));
-    }
-
-    #[test]
-    fn unresolved_roots_and_cancel_never_claim_up_to_date() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        let model = fixture(root);
-        write(
-            root,
-            "lib/pom.xml",
-            "<project><artifactId>lib</artifactId><build><sourceDirectory>${unknown}/src</sourceDirectory></build></project>",
-        );
-        assert!(
-            launch_fingerprint(root, &model, &root.join("app"), false, None, &CancellationToken::new())
-                .unwrap()
-                .is_none()
-        );
-        let model = fixture(root);
-        let cancel = CancellationToken::new();
-        cancel.cancel();
-        assert!(launch_fingerprint(root, &model, &root.join("app"), false, None, &cancel).is_err());
-    }
-    #[test]
-    fn external_parent_and_selected_settings_files_invalidate() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path().join("project");
-        let repo = dir.path().join("repository");
-        write(
-            &repo,
-            "demo/parent/1/parent-1.pom",
-            "<project><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version></project>",
-        );
-        write(
-            &root,
-            "pom.xml",
-            "<project><parent><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version><relativePath/></parent><artifactId>app</artifactId></project>",
-        );
-        let mut model = crate::load(&root, &root.join("cache"), Some(repo.clone()));
-        let settings = dir.path().join("custom-settings.xml");
-        fs::write(&settings, "<settings/>").unwrap();
-        model.maven.as_mut().unwrap().projects[0].options = vec!["-s".into(), settings.to_string_lossy().into_owned()];
-        let get =
-            || launch_fingerprint(&root, &model, &root, false, Some(repo.clone()), &CancellationToken::new()).unwrap();
-        let before = get();
-        assert!(before.is_some());
-        write(
-            &repo,
-            "demo/parent/1/parent-1.pom",
-            "<project><groupId>demo</groupId><artifactId>parent</artifactId><version>1</version><!-- changed --></project>",
-        );
-        let parent = get();
-        assert_ne!(before, parent);
-        fs::write(settings, "<settings><activeProfiles><activeProfile>dev</activeProfile></activeProfiles></settings>")
-            .unwrap();
-        assert_ne!(parent, get());
-    }
-}
@@ -3,11 +3,8 @@
 //! background with cancellation and parses the compiler output into messages
 //! for the Build tool window, the Problems view and the editor.

-mod fingerprint;
 mod parse;

-pub use fingerprint::{LaunchFingerprint, launch_fingerprint};
-
 use crate::process::{self, Stream};
 use crate::{BuildModel, maven};
 use ide_core::{CancellationToken, Diagnostic, IdeError, IdeResult, Pos, Range, Severity};
@@ -158,11 +155,8 @@ fn detect_dir(dir: &Path, model: &BuildModel, root: &Path) -> Option<BuildSystem
 }

 /// `root/rel`, without a trailing separator for the root itself.
-/// `root` / `rel`, joined per `/`-separated component: on Windows a single join of
-/// `a/b` keeps the `/`, and such a path does not compare equal to the same directory
-/// as other tools (JDT LS) spell it.
 fn subdir(root: &Path, rel: &str) -> PathBuf {
-    rel.split('/').filter(|part| !part.is_empty()).fold(root.to_path_buf(), |path, part| path.join(part))
+    if rel.is_empty() { root.to_path_buf() } else { root.join(rel) }
 }

 fn rel_str(root: &Path, dir: &Path) -> String {
@@ -188,10 +182,8 @@ pub fn plan(root: &Path, model: &BuildModel, kind: BuildKind, file: Option<&Path
        None => None,
    };
    let dir = module_dir.clone().unwrap_or_else(|| root.to_path_buf());
-    // A folder of sibling projects has no build file itself; its Maven projects are built one by one.
    let system = detect_dir(&dir, model, root)
        .or_else(|| if model.gradle.is_some() { Some(BuildSystem::Gradle) } else { None })
-        .or_else(|| model.maven.as_ref().filter(|m| !m.projects.is_empty()).map(|_| BuildSystem::Maven))
        .ok_or_else(|| IdeError::not_found("no supported build system (Maven, Gradle, Cargo, Go, TypeScript) found"))?;
    let module = module_dir.as_deref().filter(|d| *d != root);
    let title = match module {
@@ -242,10 +234,12 @@ fn maven_steps(root: &Path, model: &BuildModel, kind: BuildKind, module: Option<
    let Some(module) = module else { return Ok(tops.iter().map(|p| step(p, &[])).collect()) };
    // The reactor root containing the module builds it with what it depends on (`-pl … -am`).
    let rel = rel_str(root, module);
-    if !m.projects.iter().any(|p| p.dir == rel) {
-        return Err(IdeError::not_found("no linked Maven project found for module"));
-    }
-    let top = maven_reactor(m, &rel).ok_or_else(|| IdeError::not_found("no linked Maven project found for module"))?;
+    let top = tops
+        .iter()
+        .filter(|t| t.dir.is_empty() || rel == t.dir || rel.starts_with(&format!("{}/", t.dir)))
+        .max_by_key(|t| t.dir.len())
+        .copied()
+        .unwrap_or(tops[0]);
    let top_dir = subdir(root, &top.dir);
    if module == top_dir {
        return Ok(vec![step(top, &[])]);
@@ -614,90 +608,6 @@ pub fn has_non_java_sources(module: &Path) -> bool {
    walk(&module.join("src"), 12)
 }

-fn reactor_projects<'a>(m: &'a maven::MavenModel, top: &'a maven::MavenProject) -> Vec<&'a maven::MavenProject> {
-    let mut projects = Vec::new();
-    let mut pending = vec![top];
-    let mut seen = HashSet::new();
-    while let Some(p) = pending.pop() {
-        if !seen.insert(&p.pom) {
-            continue;
-        }
-        projects.push(p);
-        pending.extend(m.projects.iter().filter(|child| p.modules.contains(&child.pom)));
-    }
-    projects
-}
-
-fn maven_reactor<'a>(m: &'a maven::MavenModel, module: &str) -> Option<&'a maven::MavenProject> {
-    m.projects.iter().filter(|p| !p.aggregated).find(|top| reactor_projects(m, top).iter().any(|p| p.dir == module))
-}
-
-/// Launch module first, followed by its upstream modules in the same Maven reactor.
-/// External artifacts and unrelated linked reactors are never rebuilt for this launch.
-fn maven_launch_projects<'a>(
-    root: &Path,
-    m: &'a maven::MavenModel,
-    module: &Path,
-    test: bool,
-) -> Vec<&'a maven::MavenProject> {
-    let rel = rel_str(root, module);
-    let Some(top) = maven_reactor(m, &rel) else { return Vec::new() };
-    let reactor = reactor_projects(m, top);
-    let Some(start) = reactor.iter().find(|p| p.dir == rel) else { return Vec::new() };
-    let mut pending = vec![*start];
-    let mut seen = HashSet::new();
-    let mut projects = Vec::new();
-    while let Some(p) = pending.pop() {
-        if !seen.insert(&p.pom) {
-            continue;
-        }
-        projects.push(p);
-        for dep in &p.dependencies {
-            if !dep.resolved() || (dep.scope == "test" && (!test || p.pom != start.pom)) {
-                continue;
-            }
-            if let Some(upstream) = reactor.iter().find(|u| {
-                u.group_id == dep.group_id
-                    && u.artifact_id == dep.artifact_id
-                    && dep.version.as_ref().is_none_or(|v| *v == u.version)
-            }) {
-                pending.push(*upstream);
-            }
-        }
-    }
-    projects
-}
-
-/// Whether a launch requires the external JVM compiler. Maven includes upstream
-/// reactor dependencies; adapter selection remains a separate, module-local decision.
-pub fn launch_has_non_java_sources(root: &Path, model: &BuildModel, module: &Path, test: bool) -> bool {
-    if let Some(m) = &model.maven {
-        let projects = maven_launch_projects(root, m, module, test);
-        if !projects.is_empty() {
-            return projects.iter().any(|p| has_non_java_sources(&subdir(root, &p.dir)));
-        }
-    }
-    has_non_java_sources(module)
-}
-
-fn launch_plan(root: &Path, model: &BuildModel, module: &Path, test: bool) -> IdeResult<BuildPlan> {
-    let kind = if model.maven.as_ref().is_some_and(|m| m.projects.iter().any(|p| subdir(root, &p.dir) == module)) {
-        // JDT may have left newer error stubs in Maven's output directories.
-        BuildKind::Rebuild
-    } else {
-        BuildKind::Build
-    };
-    let mut plan = plan(root, model, kind, Some(module))?;
-    if plan.system == BuildSystem::Maven && !test {
-        for step in &mut plan.steps {
-            if let Some(goal) = step.args.last_mut() {
-                *goal = "compile".into();
-            }
-        }
-    }
-    Ok(plan)
-}
-
 /// Compiles the module at `module` with its build system before a JVM launch and
 /// returns the class directories it wrote, to put ahead of the jdtls classpath.
 pub fn build_for_launch(
@@ -707,7 +617,7 @@ pub fn build_for_launch(
    test: bool,
    cancel: &CancellationToken,
 ) -> IdeResult<Vec<PathBuf>> {
-    let plan = launch_plan(root, model, module, test)?;
+    let plan = plan(root, model, BuildKind::Build, Some(module))?;
    let result = run(root, &plan, cancel, &|_| {})?;
    if !result.success {
        let errors: Vec<String> = result
@@ -722,14 +632,6 @@ pub fn build_for_launch(
            .collect();
        return Err(IdeError::internal(format!("Build failed:\n{}", errors.join("\n"))));
    }
-    if plan.system == BuildSystem::Maven
-        && let Some(m) = &model.maven
-    {
-        return Ok(maven_launch_projects(root, m, module, test)
-            .iter()
-            .flat_map(|p| launch_class_dirs(plan.system, &subdir(root, &p.dir), test && subdir(root, &p.dir) == module))
-            .collect());
-    }
    Ok(launch_class_dirs(plan.system, module, test))
 }

@@ -740,11 +642,11 @@ fn launch_class_dirs(system: BuildSystem, module: &Path, test: bool) -> Vec<Path
            .iter()
            .flat_map(|s| {
                ["classes/kotlin", "classes/groovy", "classes/scala", "classes/java", "resources"]
-                    .map(|d| subdir(module, &format!("build/{d}/{s}")))
+                    .map(|d| module.join("build").join(d).join(s))
            })
            .collect(),
-        BuildSystem::Maven if test => vec![subdir(module, "target/test-classes"), subdir(module, "target/classes")],
-        BuildSystem::Maven => vec![subdir(module, "target/classes")],
+        BuildSystem::Maven if test => vec![module.join("target/test-classes"), module.join("target/classes")],
+        BuildSystem::Maven => vec![module.join("target/classes")],
        _ => Vec::new(),
    };
    dirs.into_iter().filter(|d| d.is_dir()).collect()
@@ -754,30 +656,6 @@ fn launch_class_dirs(system: BuildSystem, module: &Path, test: bool) -> Vec<Path
 mod tests {
    use super::*;

-    /// Launch outputs use the platform separator throughout, so they compare equal to
-    /// the same directories as JDT LS reports them.
-    #[test]
-    fn launch_dirs_use_one_separator() {
-        let root = tempfile::tempdir().unwrap();
-        let module = subdir(root.path(), "parent/app");
-        for dir in ["target/classes", "target/test-classes", "build/classes/java/main", "build/resources/test"] {
-            std::fs::create_dir_all(subdir(&module, dir)).unwrap();
-        }
-        let foreign = if std::path::MAIN_SEPARATOR == '\\' { '/' } else { '\\' };
-        let dirs = [
-            launch_class_dirs(BuildSystem::Maven, &module, true),
-            launch_class_dirs(BuildSystem::Gradle, &module, true),
-        ]
-        .concat();
-        assert_eq!(dirs.len(), 4, "{dirs:?}");
-        for dir in &dirs {
-            let suffix = dir.strip_prefix(root.path()).unwrap().to_string_lossy().into_owned();
-            assert!(!suffix.contains(foreign), "{suffix}");
-        }
-        assert_eq!(subdir(root.path(), ""), root.path());
-        assert_eq!(subdir(root.path(), "a//b/"), root.path().join("a").join("b"));
-    }
-
    fn write(root: &Path, rel: &str, text: &str) {
        let p = root.join(rel);
        std::fs::create_dir_all(p.parent().unwrap()).unwrap();
@@ -843,17 +721,6 @@ mod tests {
            ("pnpm", &["run".to_owned(), "build".to_owned()][..])
        );

-        let siblings = tmp.path().join("siblings");
-        write(&siblings, "core/pom.xml", "<project><artifactId>core</artifactId></project>");
-        write(&siblings, "system/pom.xml", "<project><artifactId>system</artifactId></project>");
-        let model = crate::load(&siblings, &tmp.path().join("cache3"), None);
-        let p = plan(&siblings, &model, BuildKind::Build, None).unwrap();
-        assert_eq!(p.system, BuildSystem::Maven);
-        assert_eq!(
-            p.steps.iter().map(|s| s.cwd.clone()).collect::<Vec<_>>(),
-            [siblings.join("core"), siblings.join("system")]
-        );
-
        let none = tmp.path().join("none");
        std::fs::create_dir_all(&none).unwrap();
        assert!(plan(&none, &BuildModel::default(), BuildKind::Build, None).is_err());
@@ -951,142 +818,6 @@ mod tests {
        }
    }

-    fn reactor_model() -> BuildModel {
-        let project = |dir: &str, deps: &[&str]| maven::MavenProject {
-            pom: format!("{dir}/pom.xml"),
-            dir: dir.into(),
-            group_id: "probe".into(),
-            artifact_id: dir.into(),
-            version: "1".into(),
-            aggregated: true,
-            dependencies: deps
-                .iter()
-                .map(|d| maven::MavenDependency {
-                    group_id: "probe".into(),
-                    artifact_id: (*d).into(),
-                    version: Some("1".into()),
-                    scope: "compile".into(),
-                    ..Default::default()
-                })
-                .collect(),
-            ..Default::default()
-        };
-        let mut projects = vec![
-            project("app", &["middle"]),
-            project("middle", &["lib"]),
-            project("lib", &["app"]),
-            project("unrelated", &[]),
-        ];
-        projects.insert(
-            0,
-            maven::MavenProject {
-                pom: "pom.xml".into(),
-                artifact_id: "reactor".into(),
-                command: "mvnw".into(),
-                modules: projects.iter().map(|p| p.pom.clone()).collect(),
-                options: vec!["-s".into(), "settings.xml".into()],
-                env: BTreeMap::from([("JAVA_HOME".into(), "/jdk".into())]),
-                ..Default::default()
-            },
-        );
-        BuildModel { maven: Some(maven::MavenModel { projects, ..Default::default() }), ..Default::default() }
-    }
-
-    #[test]
-    fn mixed_launch_detection_follows_only_reactor_dependencies() {
-        for extension in ["kt", "groovy", "scala"] {
-            let tmp = tempfile::tempdir().unwrap();
-            let root = tmp.path();
-            let mut model = reactor_model();
-            write(root, "app/src/main/java/Application.java", "class Application {}");
-            write(root, &format!("unrelated/src/main/java/Other.{extension}"), "");
-            assert!(!launch_has_non_java_sources(root, &model, &root.join("app"), false));
-            write(root, &format!("lib/src/main/java/Channel.{extension}"), "");
-            assert!(launch_has_non_java_sources(root, &model, &root.join("app"), false));
-            assert_eq!(
-                maven_launch_projects(root, model.maven.as_ref().unwrap(), &root.join("app"), false).len(),
-                3,
-                "cycles terminate"
-            );
-            let m = model.maven.as_mut().unwrap();
-            m.projects[2].dependencies[0].scope = "test".into();
-            assert!(
-                !launch_has_non_java_sources(root, &model, &root.join("app"), true),
-                "upstream test dependencies are not transitive"
-            );
-            let m = model.maven.as_mut().unwrap();
-            m.projects[1].dependencies[0].scope = "test".into();
-            m.projects[2].dependencies[0].scope = "compile".into();
-            assert!(!launch_has_non_java_sources(root, &model, &root.join("app"), false));
-            assert!(launch_has_non_java_sources(root, &model, &root.join("app"), true));
-            model.maven.as_mut().unwrap().projects[2].dependencies[0].version = Some("external".into());
-            assert!(!launch_has_non_java_sources(root, &model, &root.join("app"), true));
-            model.maven.as_mut().unwrap().projects[2].dependencies[0].version = Some("1".into());
-            model.maven.as_mut().unwrap().projects[3].aggregated = false;
-            model.maven.as_mut().unwrap().projects[0].modules.retain(|p| p != "lib/pom.xml");
-            assert!(
-                !launch_has_non_java_sources(root, &model, &root.join("app"), true),
-                "another linked reactor is external"
-            );
-        }
-    }
-
-    #[test]
-    fn maven_launch_steps_use_reactor_settings_and_launch_scope() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        write(root, "app/pom.xml", "<project/>");
-        let model = reactor_model();
-        for (test, goal) in [(false, "compile"), (true, "test-compile")] {
-            let plan = launch_plan(root, &model, &root.join("app"), test).unwrap();
-            let step = &plan.steps[0];
-            assert_eq!(step.cwd, root);
-            assert_eq!(step.program, "mvnw");
-            assert_eq!(step.env["JAVA_HOME"], "/jdk");
-            assert_eq!(
-                step.args,
-                ["-B", "-Dstyle.color=never", "-s", "settings.xml", "-pl", "app", "-am", "clean", goal]
-            );
-        }
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn external_launch_returns_upstream_outputs_and_blocks_failure_or_cancellation() {
-        use std::os::unix::fs::PermissionsExt;
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        write(root, "app/pom.xml", "<project/>");
-        write(
-            root,
-            "mvnw",
-            "#!/bin/sh\nmkdir -p app/target/classes middle/target/classes lib/target/classes app/target/test-classes\n",
-        );
-        let wrapper = root.join("mvnw");
-        std::fs::set_permissions(&wrapper, std::fs::Permissions::from_mode(0o755)).unwrap();
-        let mut model = reactor_model();
-        model.maven.as_mut().unwrap().projects[0].command = wrapper.to_string_lossy().into_owned();
-        let dirs = build_for_launch(root, &model, &root.join("app"), true, &CancellationToken::new()).unwrap();
-        assert_eq!(
-            dirs,
-            ["app/target/test-classes", "app/target/classes", "middle/target/classes", "lib/target/classes"]
-                .map(|p| root.join(p))
-        );
-        write(
-            root,
-            "mvnw",
-            "#!/bin/sh\necho '[ERROR] Kotlin compilation failed: unresolved reference broken' >&2\nexit 1\n",
-        );
-        let error = build_for_launch(root, &model, &root.join("app"), false, &CancellationToken::new()).unwrap_err();
-        assert!(error.message.contains("Kotlin compilation failed"), "{}", error.message);
-        let cancel = CancellationToken::new();
-        cancel.cancel();
-        assert_eq!(
-            build_for_launch(root, &model, &root.join("app"), false, &cancel).unwrap_err().kind,
-            ide_core::error::ErrorKind::Cancelled
-        );
-    }
-
    #[test]
    fn non_java_launch_class_dirs() {
        let tmp = tempfile::tempdir().unwrap();
@@ -399,12 +399,6 @@ pub fn parse_tasks(output: &str) -> Vec<(String, GradleTask)> {
    out
 }

-/// Static fallback until Gradle has reported its tasks.
-pub(crate) fn has_war_plugin(script: &str) -> bool {
-    let script = strip_comments(script);
-    script.split(|c: char| !c.is_alphanumeric() && c != '_').any(|word| word == "war")
-}
-
 #[cfg(test)]
 mod tests {
    #[test]
@@ -1,475 +0,0 @@
-//! Private Maven builds for JDT's Kotlin binary libraries. Never use launch outputs.
-
-use crate::BuildModel;
-use crate::compile::{self, BuildEvent, BuildKind, BuildMessage};
-use ide_core::{CancellationToken, IdeError, IdeResult};
-use serde::{Deserialize, Serialize};
-use std::collections::BTreeMap;
-use std::path::{Path, PathBuf};
-
-#[derive(Clone, Debug, Deserialize)]
-#[serde(rename_all = "camelCase")]
-struct Module {
-    key: String,
-    project_uri: String,
-    output: PathBuf,
-    test_output: Option<PathBuf>,
-    dependencies: Vec<Dependency>,
-    has_kotlin: bool,
-    kotlin_goals: Vec<KotlinGoal>,
-}
-
-#[derive(Clone, Debug, Deserialize)]
-struct KotlinGoal {
-    execution: String,
-    status: String,
-}
-
-#[derive(Clone, Debug, Deserialize)]
-struct Dependency {
-    key: String,
-    scope: String,
-    #[serde(rename = "type")]
-    kind: Option<String>,
-    classifier: Option<String>,
-}
-
-#[derive(Clone, Debug, Serialize, PartialEq, Eq)]
-pub struct Library {
-    pub path: PathBuf,
-    pub test: bool,
-}
-
-#[derive(Clone, Debug, Serialize, PartialEq, Eq)]
-#[serde(rename_all = "camelCase")]
-pub struct ProjectLibraries {
-    pub project_uri: String,
-    pub libraries: Vec<Library>,
-}
-
-pub struct Outcome {
-    pub projects: Vec<ProjectLibraries>,
-    pub messages: Vec<BuildMessage>,
-    pub success: bool,
-}
-
-/// Inspect sources, excluding generated/build/VCS trees and never following symlinks.
-pub fn has_kotlin(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 };
-        if kind.is_file() {
-            entry.path().extension().is_some_and(|e| e == "kt")
-        } else {
-            kind.is_dir()
-                && !matches!(
-                    entry.file_name().to_str(),
-                    Some("target" | "build" | "out" | "bin" | "node_modules" | ".git" | ".openidea")
-                )
-                && has_kotlin(&entry.path())
-        }
-    })
-}
-
-/// 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(
-    root: &Path,
-    model: &BuildModel,
-    bundle: &Path,
-    generation: &Path,
-    cancel: &CancellationToken,
-) -> IdeResult<Outcome> {
-    std::fs::create_dir_all(generation)?;
-    let mut plan = compile::plan(root, model, BuildKind::Build, None)?;
-    if plan.system != compile::BuildSystem::Maven {
-        return Err(IdeError::invalid("Kotlin bridge requires a Maven build root"));
-    }
-    let mut manifests = Vec::new();
-    for (index, step) in plan.steps.iter_mut().enumerate() {
-        step.args.push("--fail-at-end".into());
-        let directory = generation.join(format!("reactor-{index}"));
-        std::fs::create_dir_all(&directory)?;
-        manifests.push(directory.join("modules.json"));
-        let mut extensions = vec![bundle.to_path_buf()];
-        step.args.retain(|arg| {
-            if let Some(value) = arg.strip_prefix("-Dmaven.ext.class.path=") {
-                extensions.extend(std::env::split_paths(value));
-                false
-            } else {
-                true
-            }
-        });
-        let extension_path = std::env::join_paths(extensions).map_err(|e| IdeError::invalid(e.to_string()))?;
-        step.args.push(format!("-Dmaven.ext.class.path={}", extension_path.to_string_lossy()));
-        step.args.push(format!("-Dopenidea.kotlin.staging={}", directory.join("staging").display()));
-    }
-    let mut messages = Vec::new();
-    // Independent linked reactors must still run after another reactor's javac fails.
-    for step in &plan.steps {
-        let mut reactor = plan.clone();
-        reactor.steps = vec![step.clone()];
-        let result = compile::run(root, &reactor, cancel, &|event| {
-            if let BuildEvent::Output { text, .. } = event {
-                tracing::debug!("kotlin bridge: {}", text.trim_end());
-            }
-        })?;
-        messages.extend(result.messages);
-    }
-    // javac diagnostics belong to JDT, including when a Kotlin target was skipped.
-    messages.retain(|message| {
-        message.path.as_ref().is_some_and(|path| PathBuf::from(path.clone()).extension().is_some_and(|e| e == "kt"))
-    });
-    let mut modules = Vec::new();
-    for manifest in manifests {
-        let parsed: Vec<Module> = serde_json::from_slice(&std::fs::read(manifest)?)
-            .map_err(|e| IdeError::internal(format!("Kotlin module manifest: {e}")))?;
-        modules.extend(parsed);
-    }
-    messages.extend(kotlin_failures(&modules));
-    if messages.iter().any(|message| message.severity == ide_core::Severity::Error) {
-        return Ok(Outcome { projects: Vec::new(), messages, success: false });
-    }
-    let pending = generation.join("libraries.pending");
-    let published = generation.join("libraries");
-    std::fs::create_dir_all(&pending)?;
-    let mut libraries = BTreeMap::new();
-    for (index, module) in modules.iter().enumerate() {
-        let mut outputs = ModuleLibraries::default();
-        for (source, target, name) in [
-            (Some(&module.output), &mut outputs.main, format!("main-{index}")),
-            (module.test_output.as_ref(), &mut outputs.test, format!("test-{index}")),
-        ] {
-            let Some(source) = source else { continue };
-            if !source.starts_with(generation) {
-                return Err(IdeError::internal("Kotlin build output escaped staging"));
-            }
-            if copy_kotlin(source, &pending.join(&name), cancel)? {
-                *target = Some(published.join(name));
-            }
-        }
-        libraries.insert(module.key.clone(), outputs);
-    }
-    publish(&pending, &published, cancel)?;
-    Ok(Outcome { projects: consumers(&modules, &libraries), messages, success: true })
-}
-
-fn kotlin_failures(modules: &[Module]) -> Vec<BuildMessage> {
-    let mut messages = Vec::new();
-    for module in modules {
-        if !module.has_kotlin {
-            continue;
-        }
-        if module.kotlin_goals.is_empty() {
-            messages.push(kotlin_failure(module, "compile target was not executed"));
-        }
-        for goal in &module.kotlin_goals {
-            if goal.status != "success" {
-                messages.push(kotlin_failure(module, &format!("{} {}", goal.execution, goal.status)));
-            }
-        }
-    }
-    messages
-}
-
-fn kotlin_failure(module: &Module, reason: &str) -> BuildMessage {
-    BuildMessage {
-        severity: ide_core::Severity::Error,
-        text: format!("Kotlin compilation for {}: {reason}", module.key),
-        path: None,
-        range: None,
-        code: None,
-    }
-}
-
-fn publish(pending: &Path, published: &Path, cancel: &CancellationToken) -> IdeResult<()> {
-    if cancel.is_cancelled() {
-        return Err(IdeError::cancelled());
-    }
-    std::fs::rename(pending, published)?;
-    Ok(())
-}
-
-#[derive(Default)]
-struct ModuleLibraries {
-    main: Option<PathBuf>,
-    test: Option<PathBuf>,
-}
-
-fn consumers(modules: &[Module], libraries: &BTreeMap<String, ModuleLibraries>) -> Vec<ProjectLibraries> {
-    modules
-        .iter()
-        .map(|consumer| {
-            let mut visible = Vec::<Library>::new();
-            let mut add = |path: &Option<PathBuf>, test: bool| {
-                if let Some(path) = path {
-                    if let Some(previous) = visible.iter_mut().find(|entry| &entry.path == path) {
-                        previous.test &= test;
-                    } else {
-                        visible.push(Library { path: path.clone(), test });
-                    }
-                }
-            };
-            if let Some(own) = libraries.get(&consumer.key) {
-                add(&own.test, true);
-                add(&own.main, false);
-            }
-            // Maven's resolved artifacts already apply exclusions, mediation and optional
-            // propagation. Preserve their classpath order, after the module's own output.
-            for dependency in &consumer.dependencies {
-                let Some(output) = libraries.get(&dependency.key) else { continue };
-                let test = match dependency.scope.as_str() {
-                    "compile" | "provided" | "system" | "" => false,
-                    "test" | "runtime" => true,
-                    _ => continue,
-                };
-                match (dependency.kind.as_deref(), dependency.classifier.as_deref()) {
-                    (Some("test-jar"), None | Some("tests")) | (Some("jar"), Some("tests")) => add(&output.test, test),
-                    (None | Some("jar"), None | Some("")) => add(&output.main, test),
-                    _ => {}
-                }
-            }
-            ProjectLibraries { project_uri: consumer.project_uri.clone(), libraries: visible }
-        })
-        .collect()
-}
-
-fn copy_kotlin(source: &Path, destination: &Path, cancel: &CancellationToken) -> IdeResult<bool> {
-    let Ok(entries) = std::fs::read_dir(source) else { return Ok(false) };
-    let mut found = false;
-    for entry in entries {
-        if cancel.is_cancelled() {
-            return Err(IdeError::cancelled());
-        }
-        let entry = entry?;
-        let kind = entry.file_type()?;
-        let path = entry.path();
-        let output = destination.join(entry.file_name());
-        if kind.is_dir() {
-            found |= copy_kotlin(&path, &output, cancel)?;
-        } else if kind.is_file() {
-            let bytes = std::fs::read(&path)?;
-            let class = path.extension().is_some_and(|e| e == "class");
-            let metadata = path.extension().is_some_and(|e| e == "kotlin_module");
-            if metadata || (class && kotlin_class(&bytes).unwrap_or(false)) {
-                std::fs::create_dir_all(destination)?;
-                std::fs::write(output, bytes)?;
-                found |= class;
-            }
-        }
-    }
-    Ok(found)
-}
-
-/// Read the actual class-level SourceFile attribute, rather than searching strings
-/// (a Java constant containing "Something.kt" must never become a Kotlin library).
-fn kotlin_class(bytes: &[u8]) -> Option<bool> {
-    struct Reader<'a> {
-        bytes: &'a [u8],
-        pos: usize,
-    }
-    impl<'a> Reader<'a> {
-        fn take(&mut self, count: usize) -> Option<&'a [u8]> {
-            let value = self.bytes.get(self.pos..self.pos.checked_add(count)?)?;
-            self.pos += count;
-            Some(value)
-        }
-        fn u2(&mut self) -> Option<usize> {
-            Some(u16::from_be_bytes(self.take(2)?.try_into().ok()?) as usize)
-        }
-        fn u4(&mut self) -> Option<usize> {
-            Some(u32::from_be_bytes(self.take(4)?.try_into().ok()?) as usize)
-        }
-        fn attributes(&mut self) -> Option<()> {
-            for _ in 0..self.u2()? {
-                self.u2()?;
-                let n = self.u4()?;
-                self.take(n)?;
-            }
-            Some(())
-        }
-    }
-    let mut reader = Reader { bytes, pos: 0 };
-    if reader.take(4)? != [0xca, 0xfe, 0xba, 0xbe] {
-        return None;
-    }
-    reader.take(4)?;
-    let count = reader.u2()?;
-    let mut utf8 = BTreeMap::new();
-    let mut index = 1;
-    while index < count {
-        match reader.take(1)?[0] {
-            1 => {
-                let n = reader.u2()?;
-                utf8.insert(index, reader.take(n)?);
-            }
-            3 | 4 | 9..=12 | 17 | 18 => {
-                reader.take(4)?;
-            }
-            5 | 6 => {
-                reader.take(8)?;
-                index += 1;
-            }
-            7 | 8 | 16 | 19 | 20 => {
-                reader.take(2)?;
-            }
-            15 => {
-                reader.take(3)?;
-            }
-            _ => return None,
-        }
-        index += 1;
-    }
-    reader.take(6)?;
-    let interfaces = reader.u2()?;
-    reader.take(interfaces.checked_mul(2)?)?;
-    for _ in 0..2 {
-        for _ in 0..reader.u2()? {
-            reader.take(6)?;
-            reader.attributes()?;
-        }
-    }
-    for _ in 0..reader.u2()? {
-        let name = reader.u2()?;
-        let length = reader.u4()?;
-        if utf8.get(&name).copied() == Some(b"SourceFile".as_slice()) && length == 2 {
-            let source = reader.u2()?;
-            return Some(utf8.get(&source)?.ends_with(b".kt"));
-        }
-        reader.take(length)?;
-    }
-    Some(false)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn every_kotlin_target_must_succeed_even_when_maven_fails_elsewhere() {
-        let mut modules: Vec<Module> = serde_json::from_str(r#"[
-            {"key":"lib","projectUri":"lib","output":"lib","dependencies":[],"hasKotlin":true,
-             "kotlinGoals":[{"execution":"main:compile","status":"success"},{"execution":"test:test-compile","status":"success"}]},
-            {"key":"java","projectUri":"java","output":"java","dependencies":[],"hasKotlin":false,"kotlinGoals":[]}
-        ]"#).unwrap();
-        assert!(kotlin_failures(&modules).is_empty());
-        for status in ["failed", "skipped"] {
-            modules[0].kotlin_goals[1].status = status.into();
-            let failures = kotlin_failures(&modules);
-            assert_eq!(failures.len(), 1);
-            assert!(failures[0].text.contains(&format!("test:test-compile {status}")));
-        }
-        modules[0].kotlin_goals.clear();
-        assert_eq!(kotlin_failures(&modules).len(), 1);
-        modules[0].has_kotlin = false;
-        assert!(kotlin_failures(&modules).is_empty());
-        assert!(
-            serde_json::from_str::<Vec<Module>>(
-                r#"[{"key":"old","projectUri":"old","output":"old","dependencies":[]}]"#
-            )
-            .is_err()
-        );
-    }
-
-    #[test]
-    fn respects_mavens_resolved_closure_and_scopes() {
-        let json = r#"[
-          {"key":"zapp","projectUri":"app","output":"app", "hasKotlin":false,"kotlinGoals":[],"dependencies":[{"key":"mid","scope":"compile","optional":false},{"key":"lib","scope":"compile","optional":false}]},
-          {"key":"mid","projectUri":"mid","output":"mid", "hasKotlin":false,"kotlinGoals":[],"dependencies":[
-            {"key":"lib","scope":"compile","optional":false},
-            {"key":"optional","scope":"compile","optional":true},
-            {"key":"test","scope":"test","optional":false},
-            {"key":"provided","scope":"provided","optional":false}]},
-          {"key":"lib","projectUri":"lib","output":"lib","hasKotlin":false,"kotlinGoals":[],"dependencies":[]}
-        ]"#;
-        let modules: Vec<Module> = serde_json::from_str(json).unwrap();
-        let libraries = ["zapp", "lib", "optional", "test", "provided"]
-            .into_iter()
-            .map(|key| (key.to_owned(), ModuleLibraries { main: Some(PathBuf::from(key)), test: None }))
-            .collect();
-        let result = consumers(&modules, &libraries);
-        assert_eq!(
-            result[0].libraries,
-            vec![Library { path: "zapp".into(), test: false }, Library { path: "lib".into(), test: false },]
-        );
-        assert_eq!(result[1].libraries.len(), 4);
-        assert!(result[1].libraries.iter().find(|l| l.path == Path::new("test")).unwrap().test);
-    }
-
-    #[test]
-    fn test_outputs_are_private_unless_maven_resolves_a_test_jar() {
-        let modules: Vec<Module> = serde_json::from_str(r#"[
-          {"key":"lib","projectUri":"lib","output":"lib","hasKotlin":false,"kotlinGoals":[],"dependencies":[]},
-          {"key":"app","projectUri":"app","output":"app","hasKotlin":false,"kotlinGoals":[],"dependencies":[{"key":"lib","scope":"compile","type":"jar","classifier":null}]},
-          {"key":"test-app","projectUri":"test-app","output":"app","hasKotlin":false,"kotlinGoals":[],"dependencies":[{"key":"lib","scope":"test","type":"test-jar","classifier":"tests"}]}
-        ]"#).unwrap();
-        let libraries =
-            BTreeMap::from([("lib".into(), ModuleLibraries { main: Some("main".into()), test: Some("test".into()) })]);
-        let result = consumers(&modules, &libraries);
-        assert_eq!(
-            result[0].libraries,
-            vec![Library { path: "test".into(), test: true }, Library { path: "main".into(), test: false }]
-        );
-        assert_eq!(result[1].libraries, vec![Library { path: "main".into(), test: false }]);
-        assert_eq!(result[2].libraries, vec![Library { path: "test".into(), test: true }]);
-    }
-
-    #[test]
-    fn publishes_complete_directories_and_cancellation_keeps_them_private() {
-        let directory = tempfile::tempdir().unwrap();
-        let pending = directory.path().join("pending");
-        let final_path = directory.path().join("published");
-        std::fs::create_dir(&pending).unwrap();
-        std::fs::write(pending.join("Channel.class"), "complete").unwrap();
-        let cancelled = CancellationToken::new();
-        cancelled.cancel();
-        assert!(publish(&pending, &final_path, &cancelled).is_err());
-        assert!(!final_path.exists());
-        assert!(pending.exists());
-        publish(&pending, &final_path, &CancellationToken::new()).unwrap();
-        assert!(!pending.exists());
-        assert_eq!(std::fs::read(final_path.join("Channel.class")).unwrap(), b"complete");
-    }
-
-    #[test]
-    fn never_runs_another_build_system_with_maven_output_properties() {
-        let directory = tempfile::tempdir().unwrap();
-        std::fs::write(directory.path().join("Cargo.toml"), "").unwrap();
-        let error = build(
-            directory.path(),
-            &BuildModel::default(),
-            Path::new("unused.jar"),
-            &directory.path().join("private"),
-            &CancellationToken::new(),
-        )
-        .err()
-        .unwrap();
-        assert_eq!(error.message, "Kotlin bridge requires a Maven build root");
-    }
-
-    #[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()));
-        std::fs::write(dir.path().join("New.kt"), "").unwrap();
-        assert!(has_kotlin(dir.path()));
-    }
-
-    #[test]
-    fn parses_sourcefile_and_rejects_truncated_classes() {
-        let mut class = vec![0xca, 0xfe, 0xba, 0xbe, 0, 0, 0, 52, 0, 3, 1, 0, 10];
-        class.extend_from_slice(b"SourceFile");
-        class.extend_from_slice(&[1, 0, 10]);
-        class.extend_from_slice(b"Channel.kt");
-        class.extend_from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 2, 0, 2]);
-        assert_eq!(kotlin_class(&class), Some(true));
-        for end in 0..class.len() {
-            assert!(kotlin_class(&class[..end]).is_none());
-        }
-        let offset = 26;
-        class[offset..offset + 10].copy_from_slice(b"Other.java");
-        assert_eq!(kotlin_class(&class), Some(false));
-    }
-}
@@ -5,15 +5,12 @@
 //! and merges what the last sync ([`sync_maven`] / [`sync_gradle`], which run
 //! Maven / Gradle in the background) cached for the project.

-pub mod application_update;
 pub mod compile;
 pub mod gradle;
-pub mod kotlin_bridge;
 pub mod maven;
 pub mod pom_edit;
 mod process;
 mod sync;
-pub mod web;
 mod xml;

 pub use gradle::{GradleModel, GradleProject, GradleTask};
@@ -42,19 +39,8 @@ pub struct BuildModel {
 /// Static model of the builds under `root`, merged with the sync results cached in `cache_dir`.
 /// Parent POMs are looked up in `maven_repo` (the configured local repository), else the default one.
 pub fn load(root: &Path, cache_dir: &Path, maven_repo: Option<PathBuf>) -> BuildModel {
-    load_linked(root, cache_dir, maven_repo, &ide_core::settings::MavenSettings::default())
-}
-
-/// Loads only linked Maven reactors, retaining an empty model so projects can be re-added.
-pub fn load_linked(
-    root: &Path,
-    cache_dir: &Path,
-    maven_repo: Option<PathBuf>,
-    settings: &ide_core::settings::MavenSettings,
-) -> BuildModel {
    let maven = maven::is_maven_project(root).then(|| {
        let mut m = maven::load_with_repo(root, maven_repo.or_else(maven::default_local_repo));
-        maven::UnlinkedProjects::from_model(&m, settings).filter(&mut m);
        sync::apply_maven_cache(root, cache_dir, &mut m);
        m
    });
@@ -11,9 +11,7 @@ use crate::xml::{self, Element};
 use serde::{Deserialize, Serialize};
 use specta::Type;
 use std::collections::{BTreeMap, HashMap, HashSet};
-use std::io::Read;
 use std::path::{Path, PathBuf};
-use std::sync::{Mutex, OnceLock};

 /// Phases shown under "Lifecycle" (IDEA's default list).
 pub const LIFECYCLE: &[&str] =
@@ -287,14 +285,6 @@ fn texts(e: &Element, path: &str, item: &str) -> Vec<String> {
    e.list(path, item).iter().map(|m| m.text.trim().to_owned()).filter(|m| !m.is_empty()).collect()
 }

-/// Child modules of a project or profile: `<modules>` (model 4.0.0) plus `<subprojects>`,
-/// which Maven 4 (model 4.1.0) uses instead.
-fn module_names(e: &Element) -> Vec<String> {
-    let mut names = texts(e, "modules", "module");
-    names.extend(texts(e, "subprojects", "subproject"));
-    names
-}
-
 fn read_build(e: &Element, plugins: &mut Vec<RawPlugin>, managed: &mut Vec<RawPlugin>) {
    plugins.extend(e.list("build/plugins", "plugin").into_iter().filter_map(read_plugin));
    managed.extend(e.list("build/pluginManagement/plugins", "plugin").into_iter().filter_map(read_plugin));
@@ -318,7 +308,7 @@ fn read_raw(project: &Element) -> RawPom {
        name: project.text_of("name"),
        parent,
        properties: read_properties(project.child("properties")),
-        modules: module_names(project),
+        modules: texts(project, "modules", "module"),
        deps: project.list("dependencies", "dependency").into_iter().filter_map(read_dep).collect(),
        managed: project
            .list("dependencyManagement/dependencies", "dependency")
@@ -339,7 +329,7 @@ fn read_raw(project: &Element) -> RawPom {
        let mut profile = RawProfile {
            id: p.text_of("id").unwrap_or_else(|| "default".into()),
            active_by_default: p.at("activation/activeByDefault").is_some_and(|a| a.text.trim() == "true"),
-            modules: module_names(p),
+            modules: texts(p, "modules", "module"),
            properties: read_properties(p.child("properties")),
            deps: p.list("dependencies", "dependency").into_iter().filter_map(read_dep).collect(),
            ..RawProfile::default()
@@ -411,9 +401,6 @@ struct Inherited {
    managed: Vec<RawDep>,
    plugins: Vec<RawPlugin>,
    managed_plugins: Vec<RawPlugin>,
-    /// `<id>`, `activeByDefault`: profiles of the POM and its ancestors —
-    /// Maven lets a child enable a parent's profiles with `-P`.
-    profiles: Vec<(String, bool)>,
 }

 fn merge_by<T: Clone>(base: &mut Vec<T>, own: &[T], key: impl Fn(&T) -> String) {
@@ -458,20 +445,13 @@ struct Resolver {
 /// `~/.m2/repository`, or `<localRepository>` from `~/.m2/settings.xml`.
 pub(crate) 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")))
-}
-
-/// `<localRepository>` of a settings file, when it names one: the repository a build
-/// with `-s <file>` resolves into, which is not necessarily the user's default.
-pub fn local_repository_of(settings: &Path) -> Option<PathBuf> {
-    let text = std::fs::read_to_string(settings).ok()?;
-    let root = xml::parse(&text)?;
-    let repo = root.text_of("localRepository")?.trim().to_owned();
-    if repo.is_empty() {
-        return None;
+    if let Some(settings) = std::fs::read_to_string(m2.join("settings.xml")).ok().and_then(|t| xml::parse(&t))
+        && let Some(repo) = settings.text_of("localRepository")
+    {
+        let home = dirs::home_dir().map(|h| h.to_string_lossy().into_owned()).unwrap_or_default();
+        return Some(PathBuf::from(repo.replace("${user.home}", &home)));
    }
-    let home = dirs::home_dir().map(|h| h.to_string_lossy().into_owned()).unwrap_or_default();
-    Some(PathBuf::from(repo.replace("${user.home}", &home)))
+    Some(m2.join("repository"))
 }

 impl Resolver {
@@ -543,11 +523,6 @@ impl Resolver {
            merge_by(&mut ctx.deps, &p.deps, RawDep::key);
            merge_plugins(&mut ctx.plugins, &p.plugins);
        }
-        merge_by(
-            &mut ctx.profiles,
-            &pom.profiles.iter().map(|p| (p.id.clone(), p.active_by_default)).collect::<Vec<_>>(),
-            |(id, _)| id.clone(),
-        );
        // Managed dependencies: own entries win; imported BOMs fill the gaps.
        let props = self.properties_for(&pom, &ctx, &dir);
        let mut imported: Vec<RawDep> = Vec::new();
@@ -618,72 +593,6 @@ impl Resolver {
    }
 }

-/// Files and source/resource trees consumed by a launch build. Unresolved custom
-/// roots disable reuse rather than silently omitting an input.
-pub(crate) fn launch_inputs(
-    root: &Path,
-    projects: &[&MavenProject],
-    local_repo: Option<PathBuf>,
-) -> Option<Vec<PathBuf>> {
-    fn roots(el: &Element, parent: &str, dir: &Path, out: &mut Vec<PathBuf>) -> Option<()> {
-        let input =
-            matches!(el.name.as_str(), "sourceDirectory" | "testSourceDirectory" | "sourceDir" | "testSourceDir")
-                || (matches!(parent, "sources" | "sourceDirs" | "testSources" | "testSourceDirs")
-                    && matches!(el.name.as_str(), "source" | "sourceDir" | "testSourceDir"))
-                || (matches!(parent, "resource" | "testResource" | "source" | "testSource") && el.name == "directory")
-                || (parent == "filters" && el.name == "filter");
-        // Profile activation may depend on the presence of an otherwise unrelated file.
-        let activation = parent == "file" && matches!(el.name.as_str(), "exists" | "missing");
-        if input || activation {
-            // Other properties can be overridden by -D, profiles or settings.
-            // Without Maven's effective roots, conservatively disable reuse for them.
-            let value = el
-                .text
-                .trim()
-                .replace("${project.basedir}", &dir.to_string_lossy())
-                .replace("${basedir}", &dir.to_string_lossy());
-            if value.contains("${") {
-                return None;
-            }
-            if !value.is_empty() {
-                out.push(dir.join(value));
-            }
-        }
-        for child in &el.children {
-            roots(child, &el.name, dir, out)?;
-        }
-        Some(())
-    }
-    let mut resolver = Resolver::new(local_repo.or_else(default_local_repo));
-    let mut out = Vec::new();
-    for project in projects {
-        let dir = root.join(&project.dir);
-        // Include all conventional language/resource roots, including nonstandard files under src.
-        out.push(dir.join("src"));
-        let pom = root.join(&project.pom);
-        resolver.context(&pom, 0);
-        let mut path = pom;
-        let mut seen = HashSet::new();
-        loop {
-            let canonical = dunce::canonicalize(&path).ok()?;
-            if !seen.insert(canonical) || seen.len() > MAX_PARENT_DEPTH {
-                return None;
-            }
-            out.push(path.clone());
-            let text = std::fs::read_to_string(&path).ok()?;
-            roots(&xml::parse(&text)?, "", &dir, &mut out)?;
-            let raw = resolver.pom(&path)?;
-            let Some(parent) = raw.parent else { break };
-            path = resolver.parent_path(path.parent()?, &parent)?;
-        }
-    }
-    // Also track imported BOMs read while resolving inheritance.
-    out.extend(resolver.poms.into_keys());
-    out.sort();
-    out.dedup();
-    Some(out)
-}
-
 // ---------------------------------------------------------------- plugins

 /// `maven-clean-plugin` → `clean`, `spring-boot-maven-plugin` → `spring-boot`.
@@ -697,76 +606,7 @@ pub fn goal_prefix(artifact_id: &str) -> String {
    artifact_id.strip_suffix("-plugin").unwrap_or(artifact_id).to_owned()
 }

-/// Goals of every plugin jar read so far, by the path of that jar.
-static DESCRIPTOR: OnceLock<Mutex<HashMap<String, Vec<String>>>> = OnceLock::new();
-
-/// `<goal>` names of the plugin descriptor inside its jar (`META-INF/maven/plugin.xml`),
-/// which is where Maven itself takes the list `plugin:help` prints. Empty when the jar
-/// is not in the local repository yet.
-fn descriptor_goals(repo: &Path, group_id: &str, artifact_id: &str, version: &str) -> Vec<String> {
-    // Keyed by the jar itself, not by its coordinates: a repository can be replaced
-    // between runs, and a test's empty repository must not answer for another's.
-    // One `push` per group segment: the layout is `<repo>/<group as directories>/…` on
-    // every platform, Windows' separator included.
-    let mut dir = repo.to_path_buf();
-    dir.extend(group_id.split('.'));
-    dir.push(artifact_id);
-    dir.push(version);
-    let Some(jar) = plugin_jar(&dir, artifact_id, version) else { return Vec::new() };
-    let key = jar.to_string_lossy().into_owned();
-    let cache = DESCRIPTOR.get_or_init(|| Mutex::new(HashMap::new()));
-    if let Some(cached) = cache.lock().unwrap_or_else(|e| e.into_inner()).get(&key) {
-        return cached.clone();
-    }
-    // A failed read is not remembered: the jar may be half written by Maven right now.
-    let Some(goals) = read_descriptor(&jar) else { return Vec::new() };
-    cache.lock().unwrap_or_else(|e| e.into_inner()).insert(key, goals.clone());
-    goals
-}
-
-/// The plugin's jar in its version directory: `<artifactId>-<version>.jar`, or — for a
-/// SNAPSHOT installed from a repository, whose file name carries a timestamp — the newest
-/// `<artifactId>-*.jar` that is neither sources nor javadoc.
-fn plugin_jar(dir: &Path, artifact_id: &str, version: &str) -> Option<PathBuf> {
-    let exact = dir.join(format!("{artifact_id}-{version}.jar"));
-    if exact.is_file() {
-        return Some(exact);
-    }
-    let prefix = format!("{artifact_id}-");
-    let mut best: Option<(std::time::SystemTime, PathBuf)> = None;
-    for entry in std::fs::read_dir(dir).ok()?.flatten() {
-        let path = entry.path();
-        let Some(name) = path.file_name().and_then(|n| n.to_str()) else { continue };
-        if !name.starts_with(&prefix) || !name.ends_with(".jar") || name.ends_with("-sources.jar") {
-            continue;
-        }
-        if name.ends_with("-javadoc.jar") {
-            continue;
-        }
-        let Ok(modified) = entry.metadata().and_then(|m| m.modified()) else { continue };
-        if best.as_ref().is_none_or(|(at, _)| modified > *at) {
-            best = Some((modified, path));
-        }
-    }
-    best.map(|(_, p)| p)
-}
-
-fn read_descriptor(jar: &Path) -> Option<Vec<String>> {
-    let file = std::fs::File::open(jar).ok()?;
-    let mut archive = zip::ZipArchive::new(file).ok()?;
-    let mut entry = archive.by_name("META-INF/maven/plugin.xml").ok()?;
-    let mut text = String::new();
-    entry.read_to_string(&mut text).ok()?;
-    let root = xml::parse(&text)?;
-    let mut goals: Vec<String> =
-        root.list("mojos", "mojo").iter().filter_map(|m| m.text_of("goal")).map(|g| g.trim().to_owned()).collect();
-    goals.retain(|g| !g.is_empty());
-    goals.sort();
-    goals.dedup();
-    Some(goals)
-}
-
-/// Goals of well-known plugins, for a jar that is not in the local repository yet.
+/// Goals of well-known plugins (their plugin descriptors are not read).
 fn known_goals(artifact_id: &str) -> &'static [&'static str] {
    match artifact_id {
        "maven-clean-plugin" => &["clean", "help"],
@@ -918,27 +758,9 @@ fn lifecycle_plugins(packaging: &str) -> &'static [&'static str] {
    }
 }

-/// A plugin as shown in the tree: the goals its jar declares, the ones known by name for
-/// the common plugins, and the ones the project binds in `<executions>`, sorted. IDEA lists
-/// a plugin's goals the same way, which is why a plugin outside the table (checkstyle, say)
-/// still shows every goal it offers instead of only the bound one.
-pub(crate) fn plugin(
-    group_id: &str,
-    artifact_id: &str,
-    version: Option<String>,
-    goals: &[String],
-    local_repo: Option<&Path>,
-) -> MavenPlugin {
+/// A plugin as shown in the tree: execution goals plus the plugin's known goals, sorted.
+pub(crate) fn plugin(group_id: &str, artifact_id: &str, version: Option<String>, goals: &[String]) -> MavenPlugin {
    let mut all: Vec<String> = known_goals(artifact_id).iter().map(|g| (*g).to_owned()).collect();
-    let repo = local_repo.map(Path::to_path_buf).or_else(default_local_repo);
-    // An unresolved `${…}` version names no jar: the table and the bound goals stand in.
-    if let (Some(repo), Some(version)) = (repo.as_deref(), version.as_deref().filter(|v| !v.contains("${"))) {
-        for g in descriptor_goals(repo, group_id, artifact_id, version) {
-            if !all.contains(&g) {
-                all.push(g);
-            }
-        }
-    }
    for g in goals {
        if !all.contains(g) {
            all.push(g.clone());
@@ -1103,7 +925,7 @@ pub(crate) fn load_with_repo(root: &Path, local_repo: Option<PathBuf>) -> MavenM
                    .or_else(|| ctx.managed_plugins.iter().find(|m| m.key() == p.key()).and_then(|m| m.version.clone()))
                    .map(|v| i(&v))
                    .filter(|v| !v.contains("${"));
-                plugin(&i(&p.group_id), &i(&p.artifact_id), version, &p.goals, resolver.local_repo.as_deref())
+                plugin(&i(&p.group_id), &i(&p.artifact_id), version, &p.goals)
            })
            .collect();

@@ -1113,10 +935,9 @@ pub(crate) fn load_with_repo(root: &Path, local_repo: Option<PathBuf>) -> MavenM
            .or_else(|| pom.compiler_release.as_deref().map(i))
            .and_then(|v| java_version(&v));

-        // The project can activate the profiles of its own POM and its ancestors'.
-        for (id, active) in &ctx.profiles {
-            if !model.profiles.iter().any(|x| x.id == *id) {
-                model.profiles.push(MavenProfile { id: id.clone(), active_by_default: *active });
+        for p in &pom.profiles {
+            if !model.profiles.iter().any(|x| x.id == p.id) {
+                model.profiles.push(MavenProfile { id: p.id.clone(), active_by_default: p.active_by_default });
            }
        }
        let artifact_id = i(&pom.artifact_id);
@@ -1133,7 +954,7 @@ pub(crate) fn load_with_repo(root: &Path, local_repo: Option<PathBuf>) -> MavenM
            aggregated,
            plugins,
            dependencies,
-            profiles: ctx.profiles.iter().map(|(id, _)| id.clone()).collect(),
+            profiles: pom.profiles.iter().map(|p| p.id.clone()).collect(),
            java_version: jv,
            command: wrapper(root, &dir),
            options: Vec::new(),
@@ -1146,67 +967,6 @@ pub(crate) fn load_with_repo(root: &Path, local_repo: Option<PathBuf>) -> MavenM
    model
 }

-/// Shared linkage decision for every Maven consumer, including modules outside a reactor directory.
-#[derive(Default)]
-pub struct UnlinkedProjects {
-    poms: std::collections::BTreeSet<String>,
-}
-
-impl UnlinkedProjects {
-    pub fn load(root: &Path, settings: &ide_core::settings::MavenSettings) -> Self {
-        if settings.unlinked_projects.is_empty() {
-            return Self::default();
-        }
-        Self::from_model(&load(root), settings)
-    }
-
-    pub fn from_model(model: &MavenModel, settings: &ide_core::settings::MavenSettings) -> Self {
-        let mut result = Self::default();
-        let mut pending = settings.unlinked_projects.clone();
-        while let Some(pom) = pending.pop() {
-            let pom = normalized_pom(&pom);
-            if !result.poms.insert(pom.clone()) {
-                continue;
-            }
-            if let Some(project) = model.projects.iter().find(|p| normalized_pom(&p.pom) == pom) {
-                pending.extend(project.modules.iter().cloned());
-            }
-        }
-        result
-    }
-
-    pub fn contains(&self, pom: &str) -> bool {
-        self.poms.contains(&normalized_pom(pom))
-    }
-
-    pub fn poms(&self) -> impl Iterator<Item = &str> {
-        self.poms.iter().map(String::as_str)
-    }
-
-    pub fn filter(&self, model: &mut MavenModel) {
-        model.projects.retain(|p| !self.contains(&p.pom));
-        for project in &mut model.projects {
-            project.modules.retain(|p| !self.contains(p));
-        }
-        model.profiles.retain(|p| model.projects.iter().any(|project| project.profiles.contains(&p.id)));
-    }
-}
-
-fn normalized_pom(pom: &str) -> String {
-    let pom = pom.replace('\\', "/");
-    let mut parts = Vec::new();
-    for part in pom.split('/') {
-        match part {
-            "" | "." => {}
-            ".." if parts.last().is_some_and(|p| *p != "..") => {
-                parts.pop();
-            }
-            part => parts.push(part),
-        }
-    }
-    parts.join("/")
-}
-
 /// Every POM of the model (for change detection).
 pub fn build_files(root: &Path, model: &MavenModel) -> Vec<PathBuf> {
    model.projects.iter().map(|p| root.join(&p.pom)).collect()
@@ -1215,16 +975,6 @@ pub fn build_files(root: &Path, model: &MavenModel) -> Vec<PathBuf> {
 /// Projects and their plugins / dependencies from `mvn help:effective-pom` output
 /// (`<project>` or `<projects>`), keyed `groupId:artifactId`.
 pub fn parse_effective_pom(text: &str) -> Vec<(String, Vec<MavenPlugin>, Vec<MavenDependency>)> {
-    parse_effective_pom_in(text, None)
-}
-
-/// The same, with the local repository the project actually builds against (a
-/// `-Dmaven.repo.local` of the build, say): the plugin goals come from jars there,
-/// rather than from the user's default one.
-pub fn parse_effective_pom_in(
-    text: &str,
-    local_repo: Option<&Path>,
-) -> Vec<(String, Vec<MavenPlugin>, Vec<MavenDependency>)> {
    let Some(root) = xml::parse(text) else { return Vec::new() };
    let projects: Vec<&Element> =
        if root.name == "projects" { root.children_named("project").collect() } else { vec![&root] };
@@ -1236,7 +986,7 @@ pub fn parse_effective_pom_in(
            let plugins = raw
                .plugins
                .iter()
-                .map(|pl| plugin(&pl.group_id, &pl.artifact_id, pl.version.clone(), &pl.goals, local_repo))
+                .map(|pl| plugin(&pl.group_id, &pl.artifact_id, pl.version.clone(), &pl.goals))
                .collect();
            let deps = raw
                .deps
@@ -1367,107 +1117,6 @@ pub fn parse_dependency_tree(output: &str) -> Vec<(String, Vec<MavenDependency>)
 mod tests {
    use super::*;

-    /// 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);
-        std::fs::create_dir_all(&dir).unwrap();
-        let mojos: String = goals.iter().map(|g| format!("<mojo><goal>{g}</goal></mojo>")).collect();
-        let descriptor = format!("<plugin><mojos>{mojos}</mojos></plugin>");
-        let file = std::fs::File::create(dir.join(format!("{artifact}-{version}.jar"))).unwrap();
-        let mut zip = zip::ZipWriter::new(file);
-        zip.start_file("META-INF/maven/plugin.xml", zip::write::SimpleFileOptions::default()).unwrap();
-        std::io::Write::write_all(&mut zip, descriptor.as_bytes()).unwrap();
-        zip.finish().unwrap();
-    }
-
-    #[test]
-    fn a_plugin_lists_the_goals_its_jar_declares() {
-        let tmp = tempfile::tempdir().unwrap();
-        let repo = tmp.path();
-        write_plugin_jar(
-            repo,
-            "org.apache.maven.plugins",
-            "maven-checkstyle-plugin",
-            "3.3.1",
-            &["checkstyle", "checkstyle-aggregate", "help", "check"],
-        );
-        let p = plugin(
-            "org.apache.maven.plugins",
-            "maven-checkstyle-plugin",
-            Some("3.3.1".into()),
-            &["check".to_owned()],
-            Some(repo),
-        );
-        assert_eq!(p.goals, ["check", "checkstyle", "checkstyle-aggregate", "help"], "every goal the plugin offers");
-        assert_eq!(p.prefix, "checkstyle");
-    }
-
-    #[test]
-    fn a_settings_file_names_the_repository_to_read_goals_from() {
-        let tmp = tempfile::tempdir().unwrap();
-        let settings = tmp.path().join("settings.xml");
-        std::fs::write(
-            &settings,
-            "<settings><localRepository>${user.home}/repo-from-settings</localRepository></settings>",
-        )
-        .unwrap();
-        let repo = local_repository_of(&settings).unwrap();
-        assert!(repo.ends_with("repo-from-settings"), "{}", repo.display());
-        assert!(!repo.to_string_lossy().contains("${user.home}"));
-        // A settings file that names none leaves Maven's default alone.
-        let plain = tmp.path().join("plain.xml");
-        std::fs::write(&plain, "<settings><offline>true</offline></settings>").unwrap();
-        assert!(local_repository_of(&plain).is_none());
-        assert!(local_repository_of(&tmp.path().join("missing.xml")).is_none());
-    }
-
-    #[test]
-    fn effective_pom_goals_come_from_the_local_repository_it_is_given() {
-        let tmp = tempfile::tempdir().unwrap();
-        write_plugin_jar(tmp.path(), "org.apache.maven.plugins", "maven-demo-plugin", "1.0", &["run", "help"]);
-        let text = "<project><groupId>g</groupId><artifactId>a</artifactId><build><plugins>\
-            <plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-demo-plugin</artifactId>\
-            <version>1.0</version><executions><execution><goals><goal>run</goal></goals></execution></executions>\
-            </plugin></plugins></build></project>";
-        let with_repo = parse_effective_pom_in(text, Some(tmp.path()));
-        assert_eq!(with_repo[0].1[0].goals, ["help", "run"], "the jar's own goals come first");
-        // Without that repository the plugin is unknown: only what the project binds.
-        assert_eq!(parse_effective_pom(text)[0].1[0].goals, ["run"]);
-    }
-
-    #[test]
-    fn a_snapshot_plugin_is_found_by_its_timestamped_jar() {
-        let tmp = tempfile::tempdir().unwrap();
-        let dir = tmp.path().join("g/p/maven-demo-plugin/1.0-SNAPSHOT");
-        std::fs::create_dir_all(&dir).unwrap();
-        let descriptor = "<plugin><mojos><mojo><goal>run</goal></mojo></mojos></plugin>";
-        let file = std::fs::File::create(dir.join("maven-demo-plugin-1.0-20240101.120000-3.jar")).unwrap();
-        let mut zip = zip::ZipWriter::new(file);
-        zip.start_file("META-INF/maven/plugin.xml", zip::write::SimpleFileOptions::default()).unwrap();
-        std::io::Write::write_all(&mut zip, descriptor.as_bytes()).unwrap();
-        zip.finish().unwrap();
-        // A sibling sources jar must not win.
-        std::fs::File::create(dir.join("maven-demo-plugin-1.0-20240101.120000-3-sources.jar")).unwrap();
-        let p = plugin("g.p", "maven-demo-plugin", Some("1.0-SNAPSHOT".into()), &[], Some(tmp.path()));
-        assert_eq!(p.goals, ["run"]);
-    }
-
-    #[test]
-    fn a_plugin_without_its_jar_keeps_the_table_and_the_bound_goals() {
-        let tmp = tempfile::tempdir().unwrap();
-        let p = plugin(
-            "org.apache.maven.plugins",
-            "maven-checkstyle-plugin",
-            Some("3.3.1".into()),
-            &["check".to_owned()],
-            Some(tmp.path()),
-        );
-        assert_eq!(p.goals, ["check"], "nothing beyond what the project binds");
-        let known =
-            plugin("org.apache.maven.plugins", "maven-compiler-plugin", Some("3.13.0".into()), &[], Some(tmp.path()));
-        assert_eq!(known.goals, ["compile", "help", "testCompile"], "the common plugins keep their table");
-    }
-
    fn write(dir: &Path, rel: &str, text: &str) {
        let p = dir.join(rel);
        std::fs::create_dir_all(p.parent().unwrap()).unwrap();
@@ -1491,26 +1140,6 @@ mod tests {
      </profiles>
    </project>"#;

-    #[test]
-    fn maven_4_subprojects_are_modules() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        write(
-            root,
-            "pom.xml",
-            r#"<project xmlns="http://maven.apache.org/POM/4.1.0"><modelVersion>4.1.0</modelVersion>
-              <groupId>demo</groupId><artifactId>parent</artifactId><version>1.0</version><packaging>pom</packaging>
-              <subprojects><subproject>core</subproject></subprojects>
-              <profiles><profile><id>extra</id><subprojects><subproject>extra</subproject></subprojects></profile></profiles>
-            </project>"#,
-        );
-        write(root, "core/pom.xml", "<project><artifactId>core</artifactId></project>");
-        write(root, "extra/pom.xml", "<project><artifactId>extra</artifactId></project>");
-        let model = load_with_repo(root, None);
-        assert_eq!(model.projects[0].modules, ["core/pom.xml"]);
-        assert!(model.projects.iter().any(|p| p.pom == "core/pom.xml" && p.aggregated));
-    }
-
    #[test]
    fn multi_module_parent_properties_and_managed_versions() {
        let tmp = tempfile::tempdir().unwrap();
@@ -1590,41 +1219,9 @@ mod tests {
        let profiles: Vec<(&str, bool)> = model.profiles.iter().map(|p| (p.id.as_str(), p.active_by_default)).collect();
        assert_eq!(profiles, [("dev", true), ("extra", false)]);
        assert_eq!(parent.profiles, ["dev", "extra"]);
-        assert_eq!(core.profiles, ["dev", "extra"], "a module inherits its parent's profiles");
        assert!(model.projects.iter().all(|p| p.command == if cfg!(windows) { "mvn.cmd" } else { "mvn" }));
    }

-    #[test]
-    fn profiles_of_a_parent_pom_are_inherited() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        write(
-            root,
-            "pom.xml",
-            r#"<project><groupId>demo</groupId><artifactId>parent</artifactId><version>1.0</version>
-              <packaging>pom</packaging><modules><module>child</module></modules>
-              <profiles>
-                <profile><id>jdk8</id></profile>
-                <profile><id>jdk21</id><activation><activeByDefault>true</activeByDefault></activation></profile>
-              </profiles>
-            </project>"#,
-        );
-        write(
-            root,
-            "child/pom.xml",
-            r#"<project><parent><groupId>demo</groupId><artifactId>parent</artifactId><version>1.0</version></parent>
-              <artifactId>child</artifactId>
-              <profiles><profile><id>own</id></profile></profiles>
-            </project>"#,
-        );
-        let model = load_with_repo(root, None);
-        let child = &model.projects[1];
-        // `-Pjdk8` on the module activates the parent's profile, so it is listed.
-        assert_eq!(child.profiles, ["jdk8", "jdk21", "own"]);
-        let profiles: Vec<(&str, bool)> = model.profiles.iter().map(|p| (p.id.as_str(), p.active_by_default)).collect();
-        assert_eq!(profiles, [("jdk8", false), ("jdk21", true), ("own", false)]);
-    }
-
    #[test]
    fn parent_and_bom_from_the_local_repository_and_wrapper() {
        let tmp = tempfile::tempdir().unwrap();
@@ -1862,45 +1459,3 @@ mod tests {
        }
    }
 }
-
-#[cfg(test)]
-mod linkage_tests {
-    use super::*;
-    use ide_core::settings::MavenSettings;
-
-    #[test]
-    fn excludes_reactor_modules_and_profiles_but_keeps_other_roots() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        for (name, body) in [
-            (
-                "a",
-                "<modules><module>child</module><module>../shared</module></modules><profiles><profile><id>only-a</id></profile></profiles>",
-            ),
-            ("a/child", ""),
-            ("shared", ""),
-            ("b", ""),
-        ] {
-            std::fs::create_dir_all(root.join(name)).unwrap();
-            std::fs::write(
-                root.join(name).join("pom.xml"),
-                format!("<project><artifactId>{name}</artifactId>{body}</project>"),
-            )
-            .unwrap();
-        }
-        let original = load_with_repo(root, None);
-        let settings = MavenSettings { unlinked_projects: vec!["./a/pom.xml".into()], ..Default::default() };
-        let unlinked = UnlinkedProjects::from_model(&original, &settings);
-        assert!(unlinked.contains("a/child/pom.xml"));
-        assert!(unlinked.contains("shared/pom.xml"));
-        assert!(unlinked.contains("a/../shared/pom.xml"));
-        assert!(!unlinked.contains("b/pom.xml"));
-        let mut model = original.clone();
-        unlinked.filter(&mut model);
-        assert_eq!(model.projects.iter().map(|p| p.pom.as_str()).collect::<Vec<_>>(), ["b/pom.xml"]);
-        assert!(model.profiles.is_empty());
-        let mut restored = original.clone();
-        UnlinkedProjects::from_model(&original, &MavenSettings::default()).filter(&mut restored);
-        assert_eq!(restored, original);
-    }
-}
@@ -2,12 +2,11 @@
 //! line to a callback, and cancellation kills the whole process group (the
 //! `mvnw` / `gradlew` wrapper scripts start the JVM as a child).

-use ide_core::process::kill_tree;
 use ide_core::{CancellationToken, IdeError, IdeResult};
 use std::collections::BTreeMap;
 use std::io::{BufRead, BufReader, Read};
 use std::path::Path;
-use std::process::{Command, Stdio};
+use std::process::{Child, Command, Stdio};
 use std::sync::mpsc;
 use std::time::Duration;

@@ -23,20 +22,16 @@ pub(crate) struct Output {
    pub text: String,
 }

-/// `program` as spawnable: a bare name (`mvn`, `mvn.cmd`) resolves on the IDE's
-/// search path — the login shell's `PATH` plus version-manager shims — since the
-/// app's own `PATH` can be minimal and `Command` would not see `mvn` there.
-pub(crate) fn program_path(program: &str, env: &BTreeMap<String, String>) -> std::path::PathBuf {
-    let path = std::path::Path::new(program);
-    if !path.is_relative() || path.components().count() > 1 {
-        return path.to_path_buf();
+fn kill_tree(child: &mut Child) {
+    #[cfg(unix)]
+    if let Ok(pid) = i32::try_from(child.id()) {
+        // SAFETY: plain syscall; the group was created by `process_group(0)` at spawn.
+        unsafe {
+            libc::kill(-pid, libc::SIGKILL);
+        }
    }
-    let search = env
-        .iter()
-        .find(|(k, _)| k.eq_ignore_ascii_case("PATH"))
-        .map(|(_, v)| std::ffi::OsString::from(v))
-        .unwrap_or_else(ide_core::tool_path::search_path);
-    ide_core::process::find_executable(program, &search).unwrap_or_else(|| path.to_path_buf())
+    let _ = child.kill();
+    let _ = child.wait();
 }

 /// Runs `program args` in `cwd`, feeding each output line to `on_line`; kills
@@ -47,35 +42,18 @@ pub(crate) fn run(
    cwd: &Path,
    env: &BTreeMap<String, String>,
    cancel: &CancellationToken,
-    on_line: impl FnMut(Stream, &str),
-) -> IdeResult<Output> {
-    run_with_env(program, args, cwd, env, false, cancel, on_line)
-}
-
-pub(crate) fn run_with_env(
-    program: &str,
-    args: &[String],
-    cwd: &Path,
-    env: &BTreeMap<String, String>,
-    clear_env: bool,
-    cancel: &CancellationToken,
    mut on_line: impl FnMut(Stream, &str),
 ) -> IdeResult<Output> {
    tracing::info!("build: {program} {} (in {})", args.join(" "), cwd.display());
-    // Output is read as UTF-8: JVMs on Windows are told to write it (see `ide_core::output_encoding`).
-    let encoding =
-        ide_core::output_encoding::fix(program, args, env, |k| std::env::var(k).ok(), "UTF-8", cfg!(windows));
-    let program = program_path(program, env);
-    let mut command = Command::new(&program);
-    command.args(args).current_dir(cwd).envs(env).envs(encoding.env.iter().map(|(k, v)| (k, v))).stdin(Stdio::null());
-    command.stdout(Stdio::piped()).stderr(Stdio::piped());
-    // Its own group: `mvnw` / `gradlew` start the JVM as a child, and cancelling kills both.
-    ide_core::process::prepare(ide_core::process::own_group(&mut command));
-    if clear_env {
-        command.env_clear().envs(env).envs(encoding.env);
+    let mut command = Command::new(program);
+    command.args(args).current_dir(cwd).envs(env).stdin(Stdio::null()).stdout(Stdio::piped()).stderr(Stdio::piped());
+    #[cfg(unix)]
+    {
+        use std::os::unix::process::CommandExt;
+        command.process_group(0);
    }
-    let mut child =
-        command.spawn().map_err(|e| IdeError::unavailable(format!("cannot start {}: {e}", program.display())))?;
+    ide_core::process::prepare(&mut command);
+    let mut child = command.spawn().map_err(|e| IdeError::unavailable(format!("cannot start {program}: {e}")))?;
    let (tx, rx) = mpsc::channel::<(Stream, String)>();
    let pump = |stream: Box<dyn Read + Send>, kind: Stream, tx: mpsc::Sender<(Stream, String)>| {
        std::thread::spawn(move || {
@@ -86,7 +64,7 @@ pub(crate) fn run_with_env(
                match reader.read_until(b'\n', &mut buf) {
                    Ok(0) | Err(_) => break,
                    Ok(_) => {
-                        let line = ide_core::output_encoding::decode_tool_output(&buf);
+                        let line = String::from_utf8_lossy(&buf);
                        let line = line.trim_end_matches(['\n', '\r']).to_owned();
                        if tx.send((kind, line)).is_err() {
                            break;
@@ -108,7 +86,6 @@ pub(crate) fn run_with_env(
            return Err(IdeError::cancelled());
        }
        match rx.recv_timeout(Duration::from_millis(100)) {
-            Ok((_, line)) if encoding.notice.as_ref() == Some(&line) => {}
            Ok((stream, line)) => {
                on_line(stream, &line);
                text.push_str(&line);
@@ -23,7 +23,6 @@ pub struct SyncProgress {

 #[derive(Clone, Debug, Default)]
 pub struct SyncOptions {
-    pub maven_settings: ide_core::settings::MavenSettings,
    /// `-o` / `--offline`.
    pub offline: bool,
    /// Maven profiles (`-P`), `!id` deactivates.
@@ -32,8 +31,6 @@ pub struct SyncOptions {
    pub env: BTreeMap<String, String>,
    /// Maven launcher replacing the project's `mvnw` / `mvn` (Settings › Maven home).
    pub maven_command: Option<String>,
-    /// Resolved Gradle launcher from Settings.
-    pub gradle_command: Option<String>,
    /// Maven options before the goals (`-s`, `-Dmaven.repo.local=`).
    pub maven_options: Vec<String>,
 }
@@ -48,11 +45,6 @@ struct CachedMavenProject {

 #[derive(Clone, Debug, Default, Serialize, Deserialize)]
 struct MavenCache {
-    /// Bumped whenever what the cache holds stops matching what the model would be
-    /// built as now (plugin goals read from a descriptor, say): an older cache is
-    /// dropped instead of shadowing the model.
-    #[serde(default)]
-    version: u32,
    hash: String,
    at_ms: f64,
    error: Option<String>,
@@ -71,7 +63,6 @@ struct GradleCache {
 }

 const MAVEN_CACHE: &str = "maven.json";
-const MAVEN_CACHE_VERSION: u32 = 1;

 /// `dependency:tree` of a plugin version whose `-Dverbose` lists the occurrences Maven
 /// omitted (conflicts, duplicates): verbose output was dropped in 3.0 and is back since 3.2.
@@ -127,19 +118,6 @@ fn now_ms() -> f64 {
 /// Merges the cached effective build into `model`.
 pub fn apply_maven_cache(root: &Path, cache_dir: &Path, model: &mut MavenModel) {
    let Some(cache) = read_cache::<MavenCache>(cache_dir, MAVEN_CACHE) else { return };
-    if cache.version != MAVEN_CACHE_VERSION {
-        return; // built by an older IDE: what it holds no longer matches the model
-    }
-    model.synced_at = Some(cache.at_ms);
-    model.sync_error = cache.error;
-    let changed = cache.hash != hash_files(&maven::build_files(root, model));
-    model.stale = !cache.verbose || changed;
-    // A cache older than the current build files: its effective-POM plugins and
-    // resolved dependencies would hide what the POMs declare now (a just added
-    // dependency never appears). The static parse stays until Reload.
-    if changed {
-        return;
-    }
    for p in &mut model.projects {
        if let Some(c) = cache.projects.iter().find(|c| c.key == p.key()) {
            if !c.plugins.is_empty() {
@@ -148,6 +126,9 @@ pub fn apply_maven_cache(root: &Path, cache_dir: &Path, model: &mut MavenModel)
            p.dependencies = c.dependencies.clone();
        }
    }
+    model.synced_at = Some(cache.at_ms);
+    model.sync_error = cache.error;
+    model.stale = !cache.verbose || cache.hash != hash_files(&maven::build_files(root, model));
 }

 /// Merges the cached task list into `model`.
@@ -217,34 +198,10 @@ pub fn sync_maven(
    cancel: &CancellationToken,
    progress: &dyn Fn(SyncProgress),
 ) -> IdeResult<()> {
-    let mut model = maven::load(root);
-    maven::UnlinkedProjects::from_model(&model, &options.maven_settings).filter(&mut model);
+    let model = maven::load(root);
    std::fs::create_dir_all(cache_dir)?;
-    let mut cache = MavenCache {
-        version: MAVEN_CACHE_VERSION,
-        hash: hash_files(&maven::build_files(root, &model)),
-        verbose: true,
-        ..MavenCache::default()
-    };
-    // Where the build resolves its jars, and therefore where the plugin goals are read
-    // from: `-Dmaven.repo.local=` first, then `<localRepository>` of the `-s` settings,
-    // then the user's default repository (which `plugin()` resolves itself).
-    let local_repo: Option<PathBuf> =
-        options.maven_options.iter().find_map(|a| a.strip_prefix("-Dmaven.repo.local=")).map(PathBuf::from).or_else(
-            || {
-                let mut args = options.maven_options.iter();
-                while let Some(arg) = args.next() {
-                    let path = match arg.as_str() {
-                        "-s" | "--settings" => args.next().map(String::as_str),
-                        _ => arg.strip_prefix("-s=").or_else(|| arg.strip_prefix("--settings=")),
-                    };
-                    if let Some(path) = path {
-                        return maven::local_repository_of(Path::new(path));
-                    }
-                }
-                None
-            },
-        );
+    let mut cache =
+        MavenCache { hash: hash_files(&maven::build_files(root, &model)), verbose: true, ..MavenCache::default() };
    let mut errors: Vec<String> = Vec::new();
    for (n, top) in model.projects.iter().filter(|p| !p.aggregated).enumerate() {
        let effective = cache_dir.join(format!("effective-pom-{n}.xml"));
@@ -273,9 +230,8 @@ pub fn sync_maven(
                });
            }
        })?;
-        let effective_projects = std::fs::read_to_string(&effective)
-            .map(|t| maven::parse_effective_pom_in(&t, local_repo.as_deref()))
-            .unwrap_or_default();
+        let effective_projects =
+            std::fs::read_to_string(&effective).map(|t| maven::parse_effective_pom(&t)).unwrap_or_default();
        let trees = maven::parse_dependency_tree(&out.text);
        for (key, plugins, deps) in effective_projects {
            let dependencies = trees.iter().find(|(k, _)| *k == key).map(|(_, t)| t.clone()).unwrap_or(deps);
@@ -310,14 +266,7 @@ pub fn sync_gradle(
        args.push("--offline".into());
    }
    progress(SyncProgress { message: "Loading Gradle tasks".into(), fraction: None });
-    let out = run(
-        options.gradle_command.as_deref().unwrap_or(&model.command),
-        &args,
-        &root.join(&model.dir),
-        &options.env,
-        cancel,
-        |_| {},
-    )?;
+    let out = run(&model.command, &args, &root.join(&model.dir), &options.env, cancel, |_| {})?;
    let cache = GradleCache {
        hash: hash_files(&gradle::build_files(root, &model)),
        at_ms: now_ms(),
@@ -331,29 +280,6 @@ pub fn sync_gradle(
 mod tests {
    use super::*;

-    #[cfg(unix)]
-    #[test]
-    fn gradle_sync_uses_resolved_command_and_environment() {
-        use std::os::unix::fs::PermissionsExt;
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        std::fs::write(root.join("build.gradle"), "").unwrap();
-        let launcher = root.join("configured-gradle");
-        std::fs::write(&launcher, "#!/bin/sh\nprintf '%s\\n' \"$JAVA_HOME\" \"$GRADLE_USER_HOME\" > actual-env\n")
-            .unwrap();
-        std::fs::set_permissions(&launcher, std::fs::Permissions::from_mode(0o755)).unwrap();
-        let options = SyncOptions {
-            gradle_command: Some(launcher.to_string_lossy().into_owned()),
-            env: BTreeMap::from([
-                ("JAVA_HOME".into(), "/jdk21".into()),
-                ("GRADLE_USER_HOME".into(), "/gradle-cache".into()),
-            ]),
-            ..Default::default()
-        };
-        sync_gradle(root, &root.join("cache"), &options, &CancellationToken::new(), &|_| {}).unwrap();
-        assert_eq!(std::fs::read_to_string(root.join("actual-env")).unwrap(), "/jdk21\n/gradle-cache\n");
-    }
-
    #[test]
    fn caches_merge_and_go_stale() {
        let tmp = tempfile::tempdir().unwrap();
@@ -365,7 +291,6 @@ mod tests {
        let mut model = maven::load_with_repo(&root, None);
        assert!(model.synced_at.is_none());
        let cache = MavenCache {
-            version: MAVEN_CACHE_VERSION,
            hash: hash_files(&maven::build_files(&root, &model)),
            at_ms: 5.0,
            error: None,
@@ -377,7 +302,6 @@ mod tests {
                    "maven-clean-plugin",
                    Some("3.2.0".into()),
                    &[],
-                    None,
                )],
                dependencies: vec![MavenDependency { artifact_id: "dep".into(), ..MavenDependency::default() }],
            }],
@@ -391,51 +315,12 @@ mod tests {

        std::fs::write(
            root.join("pom.xml"),
-            "<project><groupId>g</groupId><artifactId>a</artifactId><version>2</version>\
-             <dependencies><dependency><groupId>g</groupId><artifactId>fresh</artifactId><version>1</version></dependency></dependencies>\
-             </project>",
+            "<project><groupId>g</groupId><artifactId>a</artifactId><version>2</version></project>",
        )
        .unwrap();
        let mut model = maven::load_with_repo(&root, None);
        apply_maven_cache(&root, &cache_dir, &mut model);
        assert!(model.stale);
-        // The POM changed: the stale effective dependencies must not hide the new one (#249).
-        assert_eq!(model.projects[0].dependencies[0].artifact_id, "fresh");
-    }
-
-    #[test]
-    fn a_cache_from_an_older_ide_is_ignored() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path().join("p");
-        let cache_dir = tmp.path().join("cache");
-        std::fs::create_dir_all(&root).unwrap();
-        std::fs::write(root.join("pom.xml"), "<project><groupId>g</groupId><artifactId>a</artifactId></project>")
-            .unwrap();
-        let mut model = maven::load_with_repo(&root, None);
-        let cache = MavenCache {
-            // What an older build wrote: no plugin descriptors were read back then, so
-            // its goal lists would shadow the ones the model now knows.
-            version: 0,
-            hash: hash_files(&maven::build_files(&root, &model)),
-            at_ms: 5.0,
-            error: None,
-            verbose: true,
-            projects: vec![CachedMavenProject {
-                key: "g:a".into(),
-                plugins: vec![maven::plugin(
-                    "org.apache.maven.plugins",
-                    "maven-clean-plugin",
-                    Some("3.2.0".into()),
-                    &[],
-                    None,
-                )],
-                dependencies: vec![MavenDependency { artifact_id: "cached".into(), ..MavenDependency::default() }],
-            }],
-        };
-        write_cache(&cache_dir, MAVEN_CACHE, &cache).unwrap();
-        apply_maven_cache(&root, &cache_dir, &mut model);
-        assert!(model.synced_at.is_none(), "the cache is dropped, the model stays unsynced");
-        assert!(model.projects[0].dependencies.iter().all(|d| d.artifact_id != "cached"));
    }

    #[test]
@@ -1,268 +0,0 @@
-//! WAR modules and build-tool-owned archive resolution (including custom output names).
-use crate::BuildModel;
-use ide_core::{CancellationToken, IdeError, IdeResult};
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::{collections::BTreeMap, fs, path::Path};
-
-#[derive(Clone, Debug, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct WebArtifact {
-    pub id: String,
-    pub name: String,
-    pub module: String,
-    pub tool: String,
-}
-
-pub fn artifacts(root: &Path, model: &BuildModel) -> Vec<WebArtifact> {
-    let mut out = Vec::new();
-    if let Some(maven) = &model.maven {
-        for p in maven.projects.iter().filter(|p| p.packaging == "war") {
-            out.push(WebArtifact {
-                id: format!("maven:{}", p.pom),
-                name: p.artifact_id.clone(),
-                module: p.dir.clone(),
-                tool: "maven".into(),
-            });
-        }
-    }
-    if let Some(gradle) = &model.gradle {
-        for p in &gradle.projects {
-            let script = p.build_file.as_ref().and_then(|f| fs::read_to_string(root.join(f)).ok()).unwrap_or_default();
-            if p.tasks.iter().any(|t| t.name == "war") || crate::gradle::has_war_plugin(&script) {
-                out.push(WebArtifact {
-                    id: format!("gradle:{}", p.path),
-                    name: p.name.clone(),
-                    module: p.dir.clone(),
-                    tool: "gradle".into(),
-                });
-            }
-        }
-    }
-    out
-}
-
-pub struct WebBuild {
-    pub command: String,
-    pub args: Vec<String>,
-    pub cwd: String,
-    pub env: BTreeMap<String, String>,
-    maven_project: Option<(Vec<String>, std::path::PathBuf)>,
-}
-
-impl WebBuild {
-    /// Resolve the selected module's effective identity using the build's options and environment.
-    /// Runs off the UI thread, before launching the reactor build.
-    pub fn resolve_project(
-        &mut self,
-        root: &Path,
-        env: &BTreeMap<String, String>,
-        cancel: &CancellationToken,
-    ) -> IdeResult<()> {
-        let Some((args, output)) = &self.maven_project else {
-            return Ok(());
-        };
-        if output.exists() {
-            fs::remove_file(output)?;
-        }
-        let cwd = root.join(&self.cwd).canonicalize()?;
-        let mut env = env.clone();
-        if !env.iter().any(|(k, v)| k.eq_ignore_ascii_case("MAVEN_BASEDIR") && !v.is_empty()) {
-            // -f changes Maven's .mvn search origin; keep the reactor's launcher settings.
-            let base = cwd.ancestors().find(|p| p.join(".mvn").is_dir()).unwrap_or(&cwd);
-            env.retain(|k, _| !k.eq_ignore_ascii_case("MAVEN_BASEDIR"));
-            env.insert("MAVEN_BASEDIR".into(), base.to_string_lossy().into_owned());
-        }
-        let result = crate::process::run_with_env(&self.command, args, &cwd, &env, true, cancel, |_, _| {})?;
-        if !result.success {
-            return Err(IdeError::invalid(format!("Cannot resolve Maven WAR artifact: {}", result.text.trim())));
-        }
-        let id = fs::read_to_string(output)?;
-        let parts: Vec<_> = id.trim().split(':').collect();
-        if parts.len() != 4 || parts[2] != "war" || parts.iter().any(|s| s.is_empty()) {
-            return Err(IdeError::invalid(format!("Cannot resolve Maven WAR artifact: {}", id.trim())));
-        }
-        let project = format!("{}:{}:{}", parts[0], parts[1], parts[3]);
-        self.args.push(format!("-Dexpression=session.projectMap({project}).artifact.file"));
-        self.maven_project = None;
-        Ok(())
-    }
-}
-
-fn groovy_literal(s: &str) -> String {
-    format!("'{}'", s.replace('\\', "\\\\").replace('\'', "\\'"))
-}
-
-pub fn build(root: &Path, model: &BuildModel, id: &str, cache: &Path) -> IdeResult<WebBuild> {
-    fs::create_dir_all(cache)?;
-    let manifest = cache.join("artifact-path.txt");
-    // A failed build must never silently reuse an older archive manifest.
-    if manifest.exists() {
-        fs::remove_file(&manifest)?;
-    }
-    fs::write(cache.join("artifact-id.txt"), id)?;
-    if let Some(pom) = id.strip_prefix("maven:") {
-        let p = model
-            .maven
-            .as_ref()
-            .and_then(|m| m.projects.iter().find(|p| p.pom == pom && p.packaging == "war"))
-            .ok_or_else(|| IdeError::invalid("Choose a Maven WAR module"))?;
-        let projects = &model.maven.as_ref().unwrap().projects;
-        let top = projects
-            .iter()
-            .filter(|t| {
-                !t.aggregated && (t.dir.is_empty() || p.dir == t.dir || p.dir.starts_with(&format!("{}/", t.dir)))
-            })
-            .max_by_key(|t| t.dir.len())
-            .unwrap_or(p);
-        let mut args = top.options.clone();
-        if top.pom != p.pom {
-            let module = root
-                .join(&p.dir)
-                .strip_prefix(root.join(&top.dir))
-                .map_err(|e| IdeError::invalid(e.to_string()))?
-                .to_string_lossy()
-                .replace('\\', "/");
-            args.extend(["-pl".into(), module, "-am".into()]);
-        }
-        // help:evaluate runs once, in the reactor's first project. Query the selected
-        // POM's effective identity first; profiles and -D options can change its GAV.
-        let output = cache.join("artifact-project.txt");
-        let mut probe = top.options.clone();
-        probe.extend([
-            "-f".into(),
-            root.join(&p.pom).to_string_lossy().into_owned(),
-            "help:evaluate".into(),
-            "-Dexpression=project.id".into(),
-            format!("-Doutput={}", output.display()),
-        ]);
-        args.extend([
-            "-DskipTests".into(),
-            "package".into(),
-            "help:evaluate".into(),
-            format!("-Doutput={}", manifest.display()),
-        ]);
-        return Ok(WebBuild {
-            command: top.command.clone(),
-            args,
-            cwd: top.dir.clone(),
-            env: p.env.clone(),
-            maven_project: Some((probe, output)),
-        });
-    }
-    if let Some(path) = id.strip_prefix("gradle:") {
-        let g = model.gradle.as_ref().ok_or_else(|| IdeError::invalid("Choose a Gradle WAR module"))?;
-        if !artifacts(root, model).iter().any(|a| a.id == id) {
-            return Err(IdeError::invalid("Choose a Gradle WAR module"));
-        }
-        let script = cache.join("war.init.gradle");
-        fs::write(
-            &script,
-            format!(
-                r#"gradle.projectsEvaluated {{
-    def p = gradle.rootProject.project({})
-    def warTask = p.tasks.named('war')
-    p.tasks.register('openideaTomcatArtifact') {{
-        dependsOn warTask
-        doLast {{ new File({}).setText(warTask.get().archiveFile.get().asFile.absolutePath, 'UTF-8') }}
-    }}
-}}
-"#,
-                groovy_literal(path),
-                groovy_literal(&manifest.to_string_lossy())
-            ),
-        )?;
-        let task = format!("{}:openideaTomcatArtifact", path.trim_end_matches(':'));
-        return Ok(WebBuild {
-            command: g.command.clone(),
-            args: vec!["--init-script".into(), script.to_string_lossy().into_owned(), task],
-            cwd: g.dir.clone(),
-            env: g.env.clone(),
-            maven_project: None,
-        });
-    }
-    Err(IdeError::invalid("Choose a WAR artifact"))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    #[test]
-    fn maven_war_modules_use_resolved_artifact_file() {
-        let tmp = tempfile::tempdir().unwrap();
-        fs::write(tmp.path().join("pom.xml"), "<project><modelVersion>4.0.0</modelVersion><groupId>test</groupId><artifactId>web</artifactId><version>1</version><packaging>war</packaging><build><directory>custom</directory><finalName>renamed</finalName></build></project>").unwrap();
-        let model = crate::load(tmp.path(), &tmp.path().join("cache"), None);
-        let a = artifacts(tmp.path(), &model);
-        assert_eq!(a.len(), 1);
-        assert_eq!(a[0].name, "web");
-        let plan = build(tmp.path(), &model, &a[0].id, &tmp.path().join("base with spaces")).unwrap();
-        let (probe, _) = plan.maven_project.as_ref().unwrap();
-        assert!(probe.contains(&"-Dexpression=project.id".into()));
-        assert!(probe.contains(&tmp.path().join("pom.xml").to_string_lossy().into_owned()));
-        assert!(
-            plan.args.iter().any(|a| a.ends_with("base with spaces/artifact-path.txt")
-                || a.ends_with("base with spaces\\artifact-path.txt"))
-        );
-    }
-    #[test]
-    fn maven_module_build_includes_reactor_dependencies() {
-        let tmp = tempfile::tempdir().unwrap();
-        fs::create_dir_all(tmp.path().join("web")).unwrap();
-        fs::write(tmp.path().join("pom.xml"), "<project><groupId>test</groupId><artifactId>parent</artifactId><version>1</version><packaging>pom</packaging><modules><module>web</module></modules></project>").unwrap();
-        fs::write(tmp.path().join("web/pom.xml"), "<project><parent><groupId>test</groupId><artifactId>parent</artifactId><version>1</version></parent><artifactId>web</artifactId><packaging>war</packaging></project>").unwrap();
-        let model = crate::load(tmp.path(), &tmp.path().join("cache"), None);
-        let plan = build(tmp.path(), &model, "maven:web/pom.xml", &tmp.path().join("base")).unwrap();
-        assert_eq!(plan.cwd, "");
-        assert_eq!(&plan.args[..3], &["-pl", "web", "-am"]);
-        assert!(
-            plan.maven_project
-                .as_ref()
-                .unwrap()
-                .0
-                .contains(&tmp.path().join("web/pom.xml").to_string_lossy().into_owned())
-        );
-    }
-    #[test]
-    fn gradle_war_uses_archive_provider_and_ignores_comments() {
-        let tmp = tempfile::tempdir().unwrap();
-        fs::write(
-            tmp.path().join("build.gradle.kts"),
-            "plugins { war }\ntasks.war { archiveFileName.set(\"custom.war\") }",
-        )
-        .unwrap();
-        let model = crate::load(tmp.path(), &tmp.path().join("cache"), None);
-        let a = artifacts(tmp.path(), &model);
-        assert_eq!(a.len(), 1);
-        let plan = build(tmp.path(), &model, &a[0].id, &tmp.path().join("base")).unwrap();
-        assert!(plan.args.contains(&":openideaTomcatArtifact".into()));
-        assert!(fs::read_to_string(tmp.path().join("base/war.init.gradle")).unwrap().contains("archiveFile.get()"));
-        assert!(!crate::gradle::has_war_plugin("// plugins { war }"));
-    }
-
-    #[test]
-    fn gradle_manifest_paths_preserve_windows_characters() {
-        for path in [r"C:\工作 区\Tomcat's cache\artifact-path.txt", r"\\server\share\artifact-path.txt"] {
-            let literal = groovy_literal(path);
-            assert_eq!(literal[1..literal.len() - 1].replace("\\'", "'").replace("\\\\", "\\"), path);
-        }
-    }
-
-    #[test]
-    fn gradle_root_and_nested_modules_write_utf8_archive_paths() {
-        for module in [":", ":apps:timesheet"] {
-            let tmp = tempfile::tempdir().unwrap();
-            let dir = if module == ":" { "" } else { "apps/timesheet" };
-            fs::create_dir_all(tmp.path().join(dir)).unwrap();
-            fs::write(tmp.path().join("settings.gradle"), "rootProject.name = 'timesheet'\ninclude 'apps:timesheet'")
-                .unwrap();
-            fs::write(tmp.path().join(dir).join("build.gradle"), "plugins { id 'war' }").unwrap();
-            let model = crate::load(tmp.path(), &tmp.path().join("cache"), None);
-            let cache = tmp.path().join("工作 cache");
-            let plan = build(tmp.path(), &model, &format!("gradle:{module}"), &cache).unwrap();
-            assert!(plan.args.contains(&format!("{}:openideaTomcatArtifact", module.trim_end_matches(':'))));
-            let script = fs::read_to_string(cache.join("war.init.gradle")).unwrap();
-            assert!(script.contains(&format!("rootProject.project('{}')", module)));
-            assert!(script.contains("archiveFile.get().asFile.absolutePath, 'UTF-8'"));
-        }
-    }
-}
@@ -1,13 +1,8 @@
 [package]
 name = "ide-clipboard"
-description = "The OS clipboard's file list (Explorer <-> project view): Windows CF_HDROP or macOS NSPasteboard file URLs, no window or message loop"
+description = "The OS clipboard's file list (Explorer <-> project view): Windows CF_HDROP read/write, no window or message loop"
 version.workspace = true
 edition.workspace = true
 license.workspace = true

 [dependencies]
-
-[target.'cfg(target_os = "macos")'.dependencies]
-objc2 = { version = "0.6", default-features = false, features = ["std"] }
-objc2-foundation = { version = "0.3", default-features = false, features = ["std", "NSArray", "NSDictionary", "NSEnumerator", "NSObject", "NSString", "NSURL", "NSValue"] }
-objc2-app-kit = { version = "0.3", default-features = false, features = ["std", "NSPasteboard"] }
@@ -1,23 +1,15 @@
 //! 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.
+//! writes so Explorer can paste the files it copied (IDEA does both).
 //!
 //! 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
 //! in full rather than rendered on demand, so no window or message loop is
 //! needed and the list survives after `CloseClipboard`.
 //!
-//! macOS keeps one `public.file-url` item per file on the general
-//! `NSPasteboard`; `NSURL` reads and writes them, so Finder's copies paste here
-//! and ours paste in Finder.
-//! On macOS, [`files`], [`has_files`] and [`set_files`] must run on the main
-//! thread: AppKit and WebKit also access the general pasteboard there, and its
-//! mutable type cache cannot be protected by a mutex in this crate.
-//!
-//! Other platforms (`text/uri-list` on X11) are not wired up: [`files`] is
-//! empty and [`set_files`] fails there.
+//! Other platforms keep file lists elsewhere (`public.file-url` on macOS,
+//! `text/uri-list` on X11) and are not wired up: [`files`] is empty and
+//! [`set_files`] fails there.

 use std::path::PathBuf;

@@ -25,8 +17,7 @@ use std::path::PathBuf;
 const HEADER: usize = 20;

 /// The absolute paths on the clipboard, empty when it holds no file list.
-/// Read failures remain errors so callers can retain an internal copy.
-pub fn files() -> std::io::Result<Vec<PathBuf>> {
+pub fn files() -> Vec<PathBuf> {
    imp::files()
 }

@@ -35,8 +26,9 @@ pub fn has_files() -> bool {
    imp::has_files()
 }

-/// Replaces the clipboard with `paths`. True only when the file list was
-/// accepted; writing just the accompanying text is not a successful hand-off.
+/// Replaces the clipboard with `paths`. False when it is busy or holds nothing
+/// to write; the clipboard is a shared resource, so callers treat this as
+/// best-effort.
 pub fn set_files(paths: &[PathBuf]) -> bool {
    if paths.is_empty() {
        return false;
@@ -116,8 +108,6 @@ mod imp {

    /// `CF_HDROP`, the clipboard format holding a file list.
    const CF_HDROP: u32 = 15;
-    /// `CF_UNICODETEXT`, so an editor paste of copied files inserts the paths.
-    const CF_UNICODETEXT: u32 = 13;

    /// An `HGLOBAL` or a `HANDLE`: both are opaque pointers here.
    type Handle = *mut c_void;
@@ -163,29 +153,25 @@ mod imp {
        (unsafe { IsClipboardFormatAvailable(CF_HDROP) }) != 0
    }

-    pub fn files() -> std::io::Result<Vec<PathBuf>> {
-        if !open() {
-            return Err(std::io::Error::last_os_error());
-        }
-        if !has_files() {
-            unsafe { CloseClipboard() };
-            return Ok(Vec::new());
+    pub fn files() -> Vec<PathBuf> {
+        if !has_files() || !open() {
+            return Vec::new();
        }
        let memory = unsafe { GetClipboardData(CF_HDROP) };
        let paths = if memory.is_null() {
-            Err(std::io::Error::last_os_error())
+            Vec::new()
        } else {
            // SAFETY: the clipboard keeps the block alive while it is open, and
            // `GlobalSize` bounds the bytes read from it.
            unsafe {
                let data = GlobalLock(memory);
                if data.is_null() {
-                    Err(std::io::Error::last_os_error())
+                    Vec::new()
                } else {
                    let bytes = std::slice::from_raw_parts(data as *const u8, GlobalSize(memory));
                    let paths = decode(bytes);
                    GlobalUnlock(memory);
-                    Ok(paths)
+                    paths
                }
            }
        };
@@ -193,37 +179,12 @@ mod imp {
        paths
    }

-    /// An `HGLOBAL` holding `text` as UTF-16 with a terminating NUL, and its
-    /// byte size. Null when the allocation failed.
-    fn global_text(text: &str) -> (Handle, usize) {
-        let mut units: Vec<u16> = text.encode_utf16().collect();
-        units.push(0);
-        let bytes = units.len() * 2;
-        unsafe {
-            let memory = GlobalAlloc(GMEM_MOVEABLE, bytes);
-            if memory.is_null() {
-                return (ptr::null_mut(), 0);
-            }
-            let data = GlobalLock(memory);
-            if data.is_null() {
-                GlobalFree(memory);
-                return (ptr::null_mut(), 0);
-            }
-            ptr::copy_nonoverlapping(units.as_ptr() as *const u8, data as *mut u8, bytes);
-            GlobalUnlock(memory);
-            (memory, bytes)
-        }
-    }
-
    pub fn set_files(paths: &[PathBuf]) -> bool {
        let bytes = encode(paths);
        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");
-        // SAFETY: the blocks are allocated, filled, handed to the clipboard and
+        // SAFETY: the block is allocated, filled, handed to the clipboard and
        // freed only on the paths where the clipboard did not take ownership.
        unsafe {
            let memory = GlobalAlloc(GMEM_MOVEABLE, bytes.len());
@@ -241,117 +202,23 @@ mod imp {
                GlobalFree(memory);
                return false;
            }
-            // Replacing the list also drops the text the user copied before;
-            // the paths' own text is set back with it.
+            // Replacing the list also drops the text the user copied before.
            if EmptyClipboard() == 0 {
                CloseClipboard();
                GlobalFree(memory);
                return false;
            }
            let taken = !SetClipboardData(CF_HDROP, memory).is_null();
+            CloseClipboard();
            if !taken {
                GlobalFree(memory);
            }
-            let (text_memory, _) = global_text(&text);
-            if !text_memory.is_null() {
-                // The text alone still pastes somewhere useful.
-                let text_taken = !SetClipboardData(CF_UNICODETEXT, text_memory).is_null();
-                if !text_taken {
-                    GlobalFree(text_memory);
-                }
-            }
-            CloseClipboard();
            taken
        }
    }
 }

-#[cfg(target_os = "macos")]
-mod imp {
-    use objc2::rc::{Retained, autoreleasepool};
-    use objc2::runtime::{AnyClass, AnyObject, ProtocolObject};
-    use objc2::{ClassType, MainThreadMarker};
-    use objc2_app_kit::{
-        NSPasteboard, NSPasteboardReadingOptionKey, NSPasteboardTypeString, NSPasteboardURLReadingFileURLsOnlyKey,
-        NSPasteboardWriting,
-    };
-    use objc2_foundation::{NSArray, NSDictionary, NSNumber, NSString, NSURL};
-    use std::path::PathBuf;
-
-    /// `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>(
-        f: impl FnOnce(&NSPasteboard, &NSArray<AnyClass>, &NSDictionary<NSPasteboardReadingOptionKey, AnyObject>) -> R,
-    ) -> R {
-        debug_assert!(MainThreadMarker::new().is_some(), "NSPasteboard access requires the main thread");
-        autoreleasepool(|_| {
-            let board = NSPasteboard::generalPasteboard();
-            let classes = NSArray::from_slice(&[NSURL::class()]);
-            let yes = NSNumber::new_bool(true);
-            // SAFETY: the key is an AppKit constant, valid for the process' lifetime.
-            let key = unsafe { NSPasteboardURLReadingFileURLsOnlyKey };
-            let options = NSDictionary::from_slices(&[key], &[yes.as_ref() as &AnyObject]);
-            f(&board, &classes, &options)
-        })
-    }
-
-    pub fn has_files() -> bool {
-        // SAFETY: the class list holds `NSURL`, which reads from pasteboards,
-        // and the option takes an `NSNumber`.
-        read_file_urls(|board, classes, options| unsafe {
-            board.canReadObjectForClasses_options(classes, Some(options))
-        })
-    }
-
-    pub fn files() -> std::io::Result<Vec<PathBuf>> {
-        read_file_urls(|board, classes, options| {
-            // SAFETY: as in `has_files`; every object read for `NSURL` is one.
-            let Some(objects) = (unsafe { board.readObjectsForClasses_options(classes, Some(options)) }) else {
-                return if unsafe { board.canReadObjectForClasses_options(classes, Some(options)) } {
-                    Err(std::io::Error::other("Cannot read clipboard files"))
-                } else {
-                    Ok(Vec::new())
-                };
-            };
-            Ok(objects
-                .iter()
-                .filter_map(|object| object.downcast::<NSURL>().ok())
-                .filter_map(|url| url.to_file_path())
-                // Finder ends a folder's URL in `/`; the project view names it without.
-                .map(|path| path.components().collect())
-                .collect())
-        })
-    }
-
-    pub fn set_files(paths: &[PathBuf]) -> bool {
-        debug_assert!(MainThreadMarker::new().is_some(), "NSPasteboard access requires the main thread");
-        autoreleasepool(|_| {
-            // Folders get a directory URL (ending in `/`), as Finder writes them.
-            let urls: Vec<Retained<NSURL>> = paths
-                .iter()
-                .filter_map(|p| if p.is_dir() { NSURL::from_directory_path(p) } else { NSURL::from_file_path(p) })
-                .collect();
-            if urls.is_empty() {
-                return false;
-            }
-            let writers: Vec<&ProtocolObject<dyn NSPasteboardWriting>> =
-                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).
-            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"),
-            );
-            board.setString_forType(&text, unsafe { NSPasteboardTypeString });
-            written
-        })
-    }
-}
-
-#[cfg(not(any(windows, target_os = "macos")))]
+#[cfg(not(windows))]
 mod imp {
    use std::path::PathBuf;

@@ -359,8 +226,8 @@ mod imp {
        false
    }

-    pub fn files() -> std::io::Result<Vec<PathBuf>> {
-        Ok(Vec::new())
+    pub fn files() -> Vec<PathBuf> {
+        Vec::new()
    }

    pub fn set_files(_paths: &[PathBuf]) -> bool {
@@ -7,19 +7,9 @@ license.workspace = true

 [dependencies]
 dunce.workspace = true
-encoding_rs.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 specta.workspace = true
 specta-typescript.workspace = true
 thiserror.workspace = true
 tokio-util.workspace = true
-
-[dev-dependencies]
-tempfile.workspace = true
-
-[target.'cfg(unix)'.dependencies]
-libc = "0.2"
-
-[target.'cfg(windows)'.dependencies]
-windows-sys = { version = "0.61", features = ["Win32_Globalization", "Win32_Security", "Win32_System_Registry", "Win32_Foundation"] }
@@ -12,8 +12,6 @@ use std::collections::BTreeMap;
 pub struct EditorGeneralSettings {
    /// Change font size with ⌘ + mouse wheel.
    pub wheel_zoom: bool,
-    pub markdown_image_folder: String,
-    pub markdown_image_name_pattern: String,
    /// Drag-and-drop of selected text inside the editor.
    pub drag_and_drop: bool,
    /// When the caret moves out of view: `minimize` scrolling | `center` the caret line.
@@ -37,8 +35,6 @@ impl Default for EditorGeneralSettings {
    fn default() -> Self {
        Self {
            wheel_zoom: false,
-            markdown_image_folder: "assets".into(),
-            markdown_image_name_pattern: "image-{timestamp}".into(),
            drag_and_drop: true,
            caret_scroll: "minimize".into(),
            soft_wrap_files: "*.md; *.txt; *.rst; *.adoc".into(),
@@ -371,12 +367,6 @@ pub struct TextAttributesOverride {
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct LanguageCodeStyle {
-    /// Java formatter: `default` | `intellij` | `custom` (other languages ignore it).
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub formatter: Option<String>,
-    /// Eclipse formatter XML; relative paths start at the project root.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub formatter_path: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub use_tab: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
@@ -444,8 +434,6 @@ pub struct EncodingSettings {
    pub project: String,
    /// Fallback for `.properties` files.
    pub properties: String,
-    /// Display properties Unicode escapes as characters and save non-ASCII as escapes.
-    pub native_to_ascii: bool,
    /// Create UTF-8 files: `never` (no BOM) | `always` (with BOM) | `windows` (with BOM on Windows).
    pub utf8_bom: String,
 }
@@ -456,7 +444,6 @@ impl Default for EncodingSettings {
            global: "utf-8".into(),
            project: "utf-8".into(),
            properties: "iso-8859-1".into(),
-            native_to_ascii: false,
            utf8_bom: "never".into(),
        }
    }
@@ -12,15 +12,6 @@ pub type IdeResult<T> = Result<T, IdeError>;
 pub struct IdeError {
    pub kind: ErrorKind,
    pub message: String,
-    /// Structured detail for errors the UI acts on; `null` for plain errors.
-    #[specta(optional)]
-    pub data: Option<ErrorData>,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(tag = "type", rename_all = "camelCase")]
-pub enum ErrorData {
-    Tool { tool: String, missing: bool },
 }

 #[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
@@ -33,7 +24,6 @@ pub enum ErrorKind {
    /// Document version mismatch; the UI must resync the full text.
    OutOfSync,
    Cancelled,
-    TimedOut,
    /// A required external tool (language server, git, debugger) is unavailable.
    Unavailable,
    Io,
@@ -43,21 +33,7 @@ pub enum ErrorKind {

 impl IdeError {
    pub fn new(kind: ErrorKind, message: impl Into<String>) -> Self {
-        Self { kind, message: message.into(), data: None }
-    }
-    pub fn with_tool(mut self, tool: impl Into<String>) -> Self {
-        if self.data.is_none() {
-            self.data = Some(ErrorData::Tool { tool: tool.into(), missing: false });
-        }
-        self
-    }
-    pub fn missing_tool(tool: impl Into<String>) -> Self {
-        let tool = tool.into();
-        Self {
-            kind: ErrorKind::NotFound,
-            message: format!("{tool} is not installed"),
-            data: Some(ErrorData::Tool { tool, missing: true }),
-        }
+        Self { kind, message: message.into() }
    }
    pub fn not_found(m: impl Into<String>) -> Self {
        Self::new(ErrorKind::NotFound, m)
@@ -89,30 +65,3 @@ impl From<std::io::Error> for IdeError {
        Self::new(kind, e.to_string())
    }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn tool_errors_round_trip_without_changing_diagnostics() {
-        let message = "[error] file.css: Unexpected token\n  1 | }\n";
-        let error = IdeError::invalid(message).with_tool("prettier");
-        let decoded: IdeError = serde_json::from_str(&serde_json::to_string(&error).unwrap()).unwrap();
-        assert_eq!(decoded.message, message);
-        assert_eq!(decoded.data, Some(ErrorData::Tool { tool: "prettier".into(), missing: false }));
-        let missing = IdeError::missing_tool("prettier").with_tool("prettier");
-        assert_eq!(missing.kind, ErrorKind::NotFound);
-        assert_eq!(missing.data, Some(ErrorData::Tool { tool: "prettier".into(), missing: true }));
-    }
-
-    #[test]
-    fn legacy_errors_need_no_data() {
-        let error: IdeError = serde_json::from_str(r#"{"kind":"unavailable","message":"no server"}"#).unwrap();
-        assert!(error.data.is_none());
-        assert_eq!(
-            serde_json::to_value(error).unwrap(),
-            serde_json::json!({"kind":"unavailable","message":"no server","data":null})
-        );
-    }
-}
@@ -13,22 +13,12 @@ use std::sync::Arc;
 #[derive(Clone, Debug, Serialize, Deserialize, Type)]
 #[serde(tag = "type", rename_all = "camelCase", rename_all_fields = "camelCase")]
 pub enum IdeEvent {
-    /// Project window membership or selection changed.
-    WindowGroupsChanged,
-    ProjectTrustChanged {
-        root: crate::IpcPath,
-        trusted: bool,
-    },
    /// Files or directories changed on disk (after debouncing, ignore rules applied).
    FsChanged {
        created: Vec<crate::IpcPath>,
        modified: Vec<crate::IpcPath>,
        removed: Vec<crate::IpcPath>,
    },
-    /// Excluded or ignored folders whose contents changed; they stay out of `FsChanged`.
-    ExcludedDirsChanged {
-        dirs: Vec<crate::IpcPath>,
-    },
    /// The backend changed a document (reload from disk, formatting, refactoring).
    /// The UI applies `changes` on top of `base_version`, yielding `version`.
    DocPatched {
@@ -36,28 +26,16 @@ pub enum IdeEvent {
        base_version: u32,
        version: u32,
        changes: Vec<TextChange>,
-        /// Part of a grouped transaction; the editor must not record a file-local undo.
-        #[serde(default)]
-        #[specta(optional)]
-        workspace_edit: bool,
    },
    /// A document's dirty flag changed (saved / modified externally).
    DocDirty {
        doc: DocId,
        dirty: bool,
    },
-    /// A complete workspace edit can be undone as one operation.
-    WorkspaceEditApplied {
-        id: u32,
-        paths: Vec<crate::IpcPath>,
-    },
-    /// An open document's language changed (Settings › File Types, Override File
-    /// Type), or its UI mode (a framework's root marker appeared or went).
+    /// An open document's language changed (Settings › File Types, Override File Type).
    DocLanguage {
        doc: DocId,
        language: crate::LanguageId,
-        /// See `DocumentInfo::ui_mode`.
-        ui_mode: Option<String>,
    },
    /// Full replacement of diagnostics for one file from one producer.
    Diagnostics {
@@ -91,12 +69,6 @@ pub enum IdeEvent {
        status: ServerStatus,
        message: Option<String>,
    },
-    /// A running server lacks a capability; the UI offers the managed tool as a replacement.
-    LanguageServerWarning {
-        name: String,
-        message: String,
-        install_tool: String,
-    },
    /// A stopped language server left the project's list (disabled in settings, or a
    /// fallback that a preferred server took over from again).
    LanguageServerRemoved {
@@ -140,22 +112,11 @@ pub enum IdeEvent {
        id: u64,
        prompt: String,
        kind: AskpassKind,
-        /// The dialog offers "Remember" for the answer (git HTTPS passwords).
-        remember: bool,
    },
    /// Prompt `id` was answered (in any window) or gave up.
    AskpassDone {
        id: u64,
    },
-    /// The kernel of an open notebook changed state (`starting`, `idle`, `busy`,
-    /// `dead`); `message` says why it failed to start or died.
-    NotebookKernel {
-        /// Backend document incarnation; stale queued events cannot target a reopen.
-        id: String,
-        path: crate::IpcPath,
-        state: String,
-        message: Option<String>,
-    },
 }

 /// What an askpass prompt asks for.
@@ -1,25 +0,0 @@
-//! Capabilities needed by the JVM hosting Java language-server bundles.
-
-use std::path::Path;
-
-/// jdtls' javac bundle, java-debug / hot code replace, and Lombok / Gradle tooling.
-const BUNDLE_MODULES: &[&str] = &["jdk.compiler", "jdk.jdi", "jdk.unsupported"];
-
-/// Require a full JDK, including the modules used by jdtls and its bundles.
-/// Temurin JREs can list the build JDK's modules in `release` even when the runtime
-/// image omits them, so module metadata alone does not establish suitability.
-pub fn supports_java_bundles(home: &Path) -> bool {
-    let Ok(release) = std::fs::read_to_string(home.join("release")) else { return false };
-    let property =
-        |key: &str| release.lines().find_map(|line| line.trim().strip_prefix(key)).map(|v| v.trim().trim_matches('"'));
-    let javac = if cfg!(windows) { "javac.exe" } else { "javac" };
-    if property("IMAGE_TYPE=").is_some_and(|image| image.eq_ignore_ascii_case("jre"))
-        || !home.join("bin").join(javac).is_file()
-    {
-        return false;
-    }
-    match property("MODULES=") {
-        Some(modules) => BUNDLE_MODULES.iter().all(|required| modules.split_whitespace().any(|m| m == *required)),
-        None => BUNDLE_MODULES.iter().all(|m| home.join("jmods").join(format!("{m}.jmod")).is_file()),
-    }
-}
@@ -11,9 +11,7 @@ pub mod ids;
 pub mod ignored;
 pub mod inspection_settings;
 pub mod ipc_path;
-pub mod java_runtime;
 pub mod jsonc;
-pub mod output_encoding;
 pub mod process;
 pub mod project_dir;
 pub mod proxy_settings;
@@ -21,8 +19,6 @@ pub mod remote_settings;
 pub mod settings;
 pub mod task;
 pub mod text;
-pub mod tool_path;
-pub mod version_managers;
 pub mod workflow_settings;

 pub use error::{IdeError, IdeResult};
@@ -1,538 +0,0 @@
-//! Makes the output of JVM and Python processes match the encoding the IDE decodes.
-//!
-//! On Windows both write piped output in the ANSI code page (GBK on a Chinese
-//! system: `System.out.println`, `javac` errors, Maven / Gradle logs, `print`), while
-//! the console decodes the configured encoding (UTF-8 by default). They are told
-//! which one to use:
-//! - `java`: `stdout.encoding` / `stderr.encoding` (JDK 19+) and their `sun.*`
-//!   forerunners (JDK 8–18) on the command line, plus `file.encoding=UTF-8` for a
-//!   UTF-8 console, the default charset of JDK 18+, which logging frameworks' console
-//!   appenders write in on older JDKs too.
-//! - Build tools and launcher scripts (Maven, Gradle, sbt, …): the same `std*.encoding`
-//!   properties in `JAVA_TOOL_OPTIONS`, the one variable every JVM reads, so the JVMs
-//!   they fork get them too (`spring-boot:run`, Surefire, `bootRun`, test workers).
-//!   Each JVM then reports "Picked up JAVA_TOOL_OPTIONS: …" on stderr (which a build tool
-//!   may copy to its stdout); that line is hidden again ([`NoticeFilter`]). `file.encoding` is left alone there: it would change
-//!   how a build reads sources that declare no encoding.
-//! - Python: `PYTHONIOENCODING`.
-
-use std::collections::BTreeMap;
-
-/// Decodes complete lines or collected output from IDE-managed tools, preferring UTF-8.
-/// Windows launcher/native diagnostics fall back to the system ANSI code page.
-/// Callers must buffer incomplete lines so multibyte characters are never split.
-/// Run consoles and protocol streams have their own encoding contracts.
-pub fn decode_tool_output(bytes: &[u8]) -> String {
-    #[cfg(windows)]
-    // SAFETY: GetACP is an argument-less query with no preconditions.
-    let code_page = unsafe { windows_sys::Win32::Globalization::GetACP() };
-    #[cfg(not(windows))]
-    let code_page = 65001;
-    decode_tool_output_with_code_page(bytes, code_page)
-}
-
-fn decode_tool_output_with_code_page(bytes: &[u8], code_page: u32) -> String {
-    if let Ok(text) = std::str::from_utf8(bytes) {
-        return text.to_owned();
-    }
-    let encoding = encoding_for_code_page(code_page).unwrap_or(encoding_rs::UTF_8);
-    // Collected output can mix UTF-8 JVM lines with native launcher diagnostics.
-    let mut text = String::new();
-    for line in bytes.split_inclusive(|b| *b == b'\n') {
-        match std::str::from_utf8(line) {
-            Ok(line) => text.push_str(line),
-            Err(_) => text.push_str(&encoding.decode_without_bom_handling(line).0),
-        }
-    }
-    text
-}
-
-fn encoding_for_code_page(cp: u32) -> Option<&'static encoding_rs::Encoding> {
-    Some(match cp {
-        65001 => encoding_rs::UTF_8,
-        936 => encoding_rs::GBK,
-        54936 => encoding_rs::GB18030,
-        950 => encoding_rs::BIG5,
-        932 => encoding_rs::SHIFT_JIS,
-        949 => encoding_rs::EUC_KR,
-        866 => encoding_rs::IBM866,
-        874 => encoding_rs::WINDOWS_874,
-        1250 => encoding_rs::WINDOWS_1250,
-        1251 => encoding_rs::WINDOWS_1251,
-        1252 => encoding_rs::WINDOWS_1252,
-        1253 => encoding_rs::WINDOWS_1253,
-        1254 => encoding_rs::WINDOWS_1254,
-        1255 => encoding_rs::WINDOWS_1255,
-        1256 => encoding_rs::WINDOWS_1256,
-        1257 => encoding_rs::WINDOWS_1257,
-        1258 => encoding_rs::WINDOWS_1258,
-        20866 => encoding_rs::KOI8_R,
-        21866 => encoding_rs::KOI8_U,
-        _ => return None,
-    })
-}
-
-const STD_PROPERTIES: &[&str] = &["stdout.encoding", "stderr.encoding", "sun.stdout.encoding", "sun.stderr.encoding"];
-const FILE_ENCODING: &str = "file.encoding";
-const TOOL_OPTIONS: &str = "JAVA_TOOL_OPTIONS";
-
-/// Build tools and launcher scripts that run on (and may fork) JVMs.
-const JVM_TOOLS: &[&str] =
-    &["mvn", "mvnw", "mvnd", "gradle", "gradlew", "sbt", "ant", "kotlin", "kotlinc", "groovy", "scala", "jbang"];
-
-/// What a launch needs: `-D` options to put first on a `java` command line,
-/// environment variables to set, and the notice line its JVMs print because of them.
-#[derive(Debug, Default, PartialEq, Eq)]
-pub struct EncodingFix {
-    pub java_args: Vec<String>,
-    pub env: Vec<(String, String)>,
-    /// "Picked up JAVA_TOOL_OPTIONS: …" for a variable set here alone, to drop from the output.
-    pub notice: Option<String>,
-}
-
-pub fn is_utf8(encoding: &str) -> bool {
-    matches!(encoding.trim().to_ascii_lowercase().replace('_', "-").as_str(), "utf-8" | "utf8")
-}
-
-/// File name of `command` without a Windows executable extension: `C:\jdk\bin\java.exe` → `java`.
-fn program_name(command: &str) -> String {
-    let name = command.rsplit(['/', '\\']).next().unwrap_or(command).to_ascii_lowercase();
-    for ext in [".exe", ".cmd", ".bat"] {
-        if let Some(stem) = name.strip_suffix(ext) {
-            return stem.to_owned();
-        }
-    }
-    name
-}
-
-fn sets(text: &str, properties: &[&str]) -> bool {
-    properties.iter().any(|p| text.contains(&format!("-D{p}=")))
-}
-
-fn options(properties: &[&str], encoding: &str) -> Vec<String> {
-    properties.iter().map(|p| format!("-D{p}={encoding}")).collect()
-}
-
-#[derive(Clone, Copy, PartialEq, Eq)]
-enum Kind {
-    Java,
-    JvmTool,
-    Python,
-    Other,
-}
-
-fn kind(program: &str) -> Kind {
-    let name = program_name(program);
-    if name == "java" || name == "javaw" {
-        Kind::Java
-    } else if JVM_TOOLS.contains(&name.as_str()) {
-        Kind::JvmTool
-    } else if is_python(&name) {
-        Kind::Python
-    } else {
-        Kind::Other
-    }
-}
-
-/// The options for a launch of `program` (`args`, environment `vars` over the
-/// `inherited` one) whose output is decoded as `encoding`; nothing when the
-/// process already writes it (UTF-8 off Windows) or the user chose the options.
-pub fn fix(
-    program: &str,
-    args: &[String],
-    vars: &BTreeMap<String, String>,
-    inherited: impl Fn(&str) -> Option<String>,
-    encoding: &str,
-    windows: bool,
-) -> EncodingFix {
-    fix_kind(kind(program), Some(args), vars, inherited, encoding, windows)
-}
-
-/// [`fix`] for a command line run by the shell (`cmd /C "mvn spring-boot:run"`), whose
-/// arguments cannot be changed: its first word decides, and only variables are set.
-pub fn fix_command_line(
-    line: &str,
-    vars: &BTreeMap<String, String>,
-    inherited: impl Fn(&str) -> Option<String>,
-    encoding: &str,
-    windows: bool,
-) -> EncodingFix {
-    let line = line.trim_start();
-    let first = match line.chars().next() {
-        Some(q @ ('"' | '\'')) => line[1..].split(q).next(),
-        _ => line.split(char::is_whitespace).next(),
-    }
-    .unwrap_or_default();
-    fix_kind(kind(first), None, vars, inherited, encoding, windows)
-}
-
-fn fix_kind(
-    kind: Kind,
-    args: Option<&[String]>,
-    vars: &BTreeMap<String, String>,
-    inherited: impl Fn(&str) -> Option<String>,
-    encoding: &str,
-    windows: bool,
-) -> EncodingFix {
-    let encoding = encoding.trim();
-    let mut out = EncodingFix::default();
-    if encoding.is_empty() || (!windows && is_utf8(encoding)) {
-        return out;
-    }
-    let current = |key: &str| vars.get(key).cloned().or_else(|| inherited(key)).unwrap_or_default();
-    let tool_options = current(TOOL_OPTIONS);
-    match (kind, args) {
-        (Kind::Java, Some(args)) => {
-            let java_options = format!("{} {tool_options}", current("JDK_JAVA_OPTIONS"));
-            let chosen =
-                |properties: &[&str]| args.iter().any(|a| sets(a, properties)) || sets(&java_options, properties);
-            if !chosen(STD_PROPERTIES) {
-                out.java_args = options(STD_PROPERTIES, encoding);
-            }
-            if is_utf8(encoding) && !chosen(&[FILE_ENCODING]) {
-                out.java_args.push(format!("-D{FILE_ENCODING}=UTF-8"));
-            }
-        }
-        (Kind::Java | Kind::JvmTool, _) => {
-            if !sets(&tool_options, STD_PROPERTIES) {
-                let added = options(STD_PROPERTIES, encoding).join(" ");
-                let value = match tool_options.trim() {
-                    "" => {
-                        out.notice = Some(format!("Picked up {TOOL_OPTIONS}: {added}"));
-                        added
-                    }
-                    own => format!("{own} {added}"),
-                };
-                out.env.push((TOOL_OPTIONS.to_owned(), value));
-            }
-        }
-        (Kind::Python, _) if current("PYTHONIOENCODING").trim().is_empty() => {
-            out.env.push(("PYTHONIOENCODING".to_owned(), encoding.to_owned()));
-        }
-        _ => {}
-    }
-    out
-}
-
-/// `vmArgs` of a launch by java-debug, which decodes the JVM's output as `encoding`
-/// (its launch attribute, UTF-8 when unset). java-debug sets `file.encoding` only
-/// when that attribute is nonblank; use the same defaults and user overrides as [`fix`].
-pub fn java_debug_vm_args(
-    vm_args: &str,
-    vars: &BTreeMap<String, String>,
-    inherited: impl Fn(&str) -> Option<String>,
-    encoding: Option<&str>,
-    windows: bool,
-) -> Option<String> {
-    let encoding = encoding.map(str::trim).filter(|e| !e.is_empty()).unwrap_or("UTF-8");
-    let added = fix_kind(Kind::Java, Some(&[vm_args.to_owned()]), vars, inherited, encoding, windows).java_args;
-    if added.is_empty() {
-        return None;
-    }
-    let added = added.join(" ");
-    Some(match vm_args.trim() {
-        "" => added,
-        own => format!("{own} {added}"),
-    })
-}
-
-/// `python`, `python3`, `python3.12`, `py`, and the runners that start one.
-fn is_python(name: &str) -> bool {
-    name == "python"
-        || name == "py"
-        || name.strip_prefix("python").is_some_and(|v| v.chars().all(|c| c.is_ascii_digit() || c == '.'))
-        || matches!(name, "uv" | "poetry" | "pdm" | "pytest" | "pipenv")
-}
-
-/// Drops whole lines equal to `notice` from a stream of decoded text (the
-/// [`EncodingFix::notice`] each JVM prints), passing everything else through.
-/// The start of a line is held back only while it can still become the notice.
-#[derive(Debug)]
-pub struct NoticeFilter {
-    notice: String,
-    held: String,
-    at_line_start: bool,
-}
-
-impl NoticeFilter {
-    pub fn new(notice: String) -> Self {
-        Self { notice, held: String::new(), at_line_start: true }
-    }
-
-    pub fn filter(&mut self, text: &str, out: &mut String) {
-        for piece in text.split_inclusive('\n') {
-            if !self.at_line_start && self.held.is_empty() {
-                out.push_str(piece);
-                self.at_line_start = piece.ends_with('\n');
-                continue;
-            }
-            self.held.push_str(piece);
-            if self.held.ends_with('\n') {
-                if self.held.trim_end_matches(['\n', '\r']) != self.notice {
-                    out.push_str(&self.held);
-                }
-                self.held.clear();
-                self.at_line_start = true;
-            } else if !self.could_be_notice() {
-                out.push_str(&self.held);
-                self.held.clear();
-                self.at_line_start = false;
-            }
-        }
-    }
-
-    /// The held text is the start of the notice, or all of it before a `\r\n`.
-    fn could_be_notice(&self) -> bool {
-        match self.held.strip_suffix('\r') {
-            Some(line) => line == self.notice,
-            None => self.notice.starts_with(self.held.as_str()),
-        }
-    }
-
-    /// The held-back start of a line, at the end of the stream.
-    pub fn finish(&mut self) -> String {
-        std::mem::take(&mut self.held)
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn tool_output_prefers_utf8() {
-        for cp in [936, 1252, 65001, 0] {
-            for text in ["", "plain ASCII\r\n", "中文 café 🦀\n"] {
-                assert_eq!(decode_tool_output_with_code_page(text.as_bytes(), cp), text);
-            }
-        }
-    }
-
-    #[test]
-    fn tool_output_decodes_native_diagnostics_and_mixed_lines() {
-        const GBK: &[u8] = b"\xcf\xb5\xcd\xb3\xd5\xd2\xb2\xbb\xb5\xbd\xd6\xb8\xb6\xa8\xb5\xc4\xc2\xb7\xbe\xb6\xa1\xa3";
-        assert_eq!(decode_tool_output_with_code_page(GBK, 936), "系统找不到指定的路径。");
-        let mut mixed = "JVM: 中文\r\n".as_bytes().to_vec();
-        mixed.extend_from_slice(GBK);
-        mixed.extend_from_slice(b"\r\nlast");
-        assert_eq!(decode_tool_output_with_code_page(&mixed, 936), "JVM: 中文\r\n系统找不到指定的路径。\r\nlast");
-        assert_eq!(decode_tool_output_with_code_page(b"caf\xe9", 1252), "café");
-        for cp in [65001, 0] {
-            assert_eq!(decode_tool_output_with_code_page(b"a\xffb", cp), "a�b");
-        }
-    }
-
-    const STD_UTF8: [&str; 4] = [
-        "-Dstdout.encoding=UTF-8",
-        "-Dstderr.encoding=UTF-8",
-        "-Dsun.stdout.encoding=UTF-8",
-        "-Dsun.stderr.encoding=UTF-8",
-    ];
-    const TOOL_UTF8: &str =
-        "-Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8";
-
-    fn vars(vars: &[(&str, &str)]) -> BTreeMap<String, String> {
-        vars.iter().map(|(k, v)| ((*k).to_owned(), (*v).to_owned())).collect()
-    }
-
-    fn run(program: &str, args: &[&str], env: &[(&str, &str)], encoding: &str, windows: bool) -> EncodingFix {
-        let args: Vec<String> = args.iter().map(|a| (*a).to_owned()).collect();
-        fix(program, &args, &vars(env), |_| None, encoding, windows)
-    }
-
-    fn tool_env(f: &EncodingFix) -> Option<&str> {
-        f.env.iter().find(|(k, _)| k == TOOL_OPTIONS).map(|(_, v)| v.as_str())
-    }
-
-    #[test]
-    fn java_launches_write_the_console_encoding_on_windows() {
-        let mut expected: Vec<&str> = STD_UTF8.to_vec();
-        expected.push("-Dfile.encoding=UTF-8");
-        // A source-file launch through the Oracle `javapath` shim, and an Application / Spring Boot launch.
-        let java = "C:/Program Files/Common Files/Oracle/Java/javapath/java.exe";
-        for program in [java, "java", "javaw.exe", r"C:\jdk\bin\java.exe", "JAVA.EXE"] {
-            for args in [&["Main.java"][..], &["-cp", "a;b", "org.dromara.DromaraApplication"]] {
-                let f = run(program, args, &[], "UTF-8", true);
-                assert_eq!(f.java_args, expected, "{program}");
-                assert!(f.env.is_empty() && f.notice.is_none());
-            }
-        }
-        // Another console encoding: the streams follow it, the default charset stays the platform's.
-        assert_eq!(
-            run("java", &["-cp", "x", "a.Main"], &[], "GBK", true).java_args,
-            [
-                "-Dstdout.encoding=GBK",
-                "-Dstderr.encoding=GBK",
-                "-Dsun.stdout.encoding=GBK",
-                "-Dsun.stderr.encoding=GBK"
-            ]
-        );
-    }
-
-    #[test]
-    fn nothing_changes_where_output_already_matches() {
-        for (program, args) in [("java", vec!["Main.java"]), ("mvn", vec!["package"]), ("python3", vec!["a.py"])] {
-            assert_eq!(run(program, &args, &[], "UTF-8", false), EncodingFix::default(), "{program}");
-            assert_eq!(run(program, &args, &[], "utf8", false), EncodingFix::default(), "{program}");
-            assert_eq!(run(program, &args, &[], "", true), EncodingFix::default(), "{program}");
-        }
-        for program in ["node", "cargo", "go", "npm.cmd", "cmd.exe", "javac-wrapper"] {
-            assert_eq!(run(program, &[], &[], "UTF-8", true), EncodingFix::default(), "{program}");
-        }
-        // A console set to another encoding elsewhere still gets it.
-        assert_eq!(run("java", &["Main"], &[], "GBK", false).java_args.len(), 4);
-    }
-
-    #[test]
-    fn options_chosen_by_the_user_win() {
-        let f = run("java", &["-Dstdout.encoding=GBK", "Main"], &[], "UTF-8", true);
-        assert_eq!(f.java_args, ["-Dfile.encoding=UTF-8"]);
-        let f = run("java", &["-Dfile.encoding=GBK", "Main"], &[], "UTF-8", true);
-        assert_eq!(f.java_args, STD_UTF8);
-        for key in ["JDK_JAVA_OPTIONS", TOOL_OPTIONS] {
-            let f = run("java", &["Main"], &[(key, "-Dsun.stdout.encoding=GBK -Dfile.encoding=GBK")], "UTF-8", true);
-            assert!(f.java_args.is_empty(), "{key}");
-        }
-        assert!(run("mvn.cmd", &[], &[(TOOL_OPTIONS, "-Dstdout.encoding=GBK")], "UTF-8", true).env.is_empty());
-        assert!(run("python.exe", &[], &[("PYTHONIOENCODING", "gbk")], "UTF-8", true).env.is_empty());
-    }
-
-    /// Maven's `spring-boot:run` and Surefire, Gradle's `bootRun` and test workers fork JVMs
-    /// that never see `MAVEN_OPTS` / `GRADLE_OPTS`: the options go where every JVM reads them.
-    #[test]
-    fn build_tools_reach_the_jvms_they_fork() {
-        for program in [
-            "mvn.cmd",
-            "mvnw.cmd",
-            r"C:\maven\bin\mvn.cmd",
-            "mvnd.cmd",
-            "gradlew.bat",
-            "gradle.bat",
-            "sbt.bat",
-            "kotlinc.bat",
-        ] {
-            let f = run(program, &["spring-boot:run"], &[], "UTF-8", true);
-            assert_eq!(tool_env(&f), Some(TOOL_UTF8), "{program}");
-            assert_eq!(f.notice.as_deref(), Some(format!("Picked up JAVA_TOOL_OPTIONS: {TOOL_UTF8}").as_str()));
-            assert!(f.java_args.is_empty());
-            assert!(!tool_env(&f).unwrap().contains("file.encoding"), "a build's source encoding is left alone");
-        }
-        // Existing options are kept, from the configuration or the inherited environment; the
-        // JVMs then print the user's own variable, which stays visible.
-        let f = run("mvn.cmd", &[], &[(TOOL_OPTIONS, "-javaagent:a.jar")], "UTF-8", true);
-        assert_eq!(tool_env(&f), Some(format!("-javaagent:a.jar {TOOL_UTF8}").as_str()));
-        assert!(f.notice.is_none());
-        let inherited =
-            fix("gradlew.bat", &[], &BTreeMap::new(), |k| (k == TOOL_OPTIONS).then(|| "-Xss4m".into()), "UTF-8", true);
-        assert_eq!(tool_env(&inherited), Some(format!("-Xss4m {TOOL_UTF8}").as_str()));
-        for program in ["python.exe", "python3", "python3.12", "py.exe", "uv.exe", "poetry"] {
-            assert_eq!(
-                run(program, &[], &[], "UTF-8", true).env,
-                [("PYTHONIOENCODING".to_owned(), "UTF-8".to_owned())],
-                "{program}"
-            );
-        }
-        assert_eq!(run("python3", &[], &[], "GBK", false).env, [("PYTHONIOENCODING".to_owned(), "GBK".to_owned())]);
-    }
-
-    #[test]
-    fn shell_command_lines_get_variables_from_their_first_word() {
-        let line = |l: &str| fix_command_line(l, &BTreeMap::new(), |_| None, "UTF-8", true);
-        for l in [
-            "mvn spring-boot:run -pl ruoyi-admin",
-            "\"C:\\Program Files\\Maven\\bin\\mvn.cmd\" test",
-            "java -jar app.jar",
-        ] {
-            let f = line(l);
-            assert_eq!(tool_env(&f), Some(TOOL_UTF8), "{l}");
-            assert!(f.java_args.is_empty());
-        }
-        assert_eq!(line("python manage.py runserver").env[0].0, "PYTHONIOENCODING");
-        assert_eq!(line("npm run dev && echo done"), EncodingFix::default());
-        assert_eq!(fix_command_line("mvn test", &BTreeMap::new(), |_| None, "UTF-8", false), EncodingFix::default());
-    }
-
-    #[test]
-    fn java_debug_launches_write_what_java_debug_decodes() {
-        let debug =
-            |args: &str, encoding, windows| java_debug_vm_args(args, &BTreeMap::new(), |_| None, encoding, windows);
-        for encoding in [None, Some(""), Some("  "), Some("UTF-8"), Some("utf8")] {
-            let streams = encoding.filter(|e| !e.trim().is_empty()).unwrap_or("UTF-8");
-            let utf8 = format!("{} -Dfile.encoding=UTF-8", options(STD_PROPERTIES, streams).join(" "));
-            assert_eq!(debug("", encoding, true), Some(utf8.clone()));
-            assert_eq!(debug("-Xmx1g", encoding, true), Some(format!("-Xmx1g {utf8}")));
-            assert_eq!(debug("-Xmx1g", encoding, false), None);
-        }
-        for windows in [true, false] {
-            assert_eq!(debug("", Some("GBK"), windows), Some(options(STD_PROPERTIES, "GBK").join(" ")));
-        }
-    }
-
-    #[test]
-    fn java_debug_preserves_user_options_independently() {
-        let debug = |args: &str| java_debug_vm_args(args, &BTreeMap::new(), |_| None, None, true);
-        assert_eq!(debug("-Dfile.encoding=GBK"), Some(format!("-Dfile.encoding=GBK {TOOL_UTF8}")));
-        for property in STD_PROPERTIES {
-            let args = format!("-D{property}=GBK");
-            assert_eq!(debug(&args), Some(format!("{args} -Dfile.encoding=UTF-8")));
-            assert_eq!(debug(&format!("{args} -Dfile.encoding=GBK")), None);
-        }
-        for key in ["JDK_JAVA_OPTIONS", TOOL_OPTIONS] {
-            for (own, expected) in [
-                ("-Dfile.encoding=GBK", Some(TOOL_UTF8.to_owned())),
-                ("-Dstdout.encoding=GBK", Some("-Dfile.encoding=UTF-8".to_owned())),
-                ("-Dstdout.encoding=GBK -Dfile.encoding=GBK", None),
-            ] {
-                assert_eq!(java_debug_vm_args("", &vars(&[(key, own)]), |_| None, None, true), expected);
-                assert_eq!(
-                    java_debug_vm_args("", &BTreeMap::new(), |k| (k == key).then(|| own.to_owned()), None, true),
-                    expected
-                );
-            }
-            // A launch environment value overrides the inherited one, as in Run.
-            assert_eq!(
-                java_debug_vm_args(
-                    "",
-                    &vars(&[(key, "")]),
-                    |k| (k == key).then(|| "-Dfile.encoding=GBK".into()),
-                    None,
-                    true
-                ),
-                Some(format!("{TOOL_UTF8} -Dfile.encoding=UTF-8"))
-            );
-        }
-    }
-
-    fn filtered(chunks: &[&str]) -> String {
-        let mut f = NoticeFilter::new(format!("Picked up JAVA_TOOL_OPTIONS: {TOOL_UTF8}"));
-        let mut out = String::new();
-        for c in chunks {
-            f.filter(c, &mut out);
-        }
-        out.push_str(&f.finish());
-        out
-    }
-
-    #[test]
-    fn notice_lines_are_dropped_wherever_the_chunks_split() {
-        let notice = format!("Picked up JAVA_TOOL_OPTIONS: {TOOL_UTF8}");
-        let text =
-            format!("{notice}\r\nerror: one\n{notice}\nPicked up nothing\nPicked up JAVA_TOOL_OPTIONS: -Dx\nlast");
-        let expected = "error: one\nPicked up nothing\nPicked up JAVA_TOOL_OPTIONS: -Dx\nlast";
-        assert_eq!(filtered(&[&text]), expected);
-        // Every split point, also inside the notice and between `\r` and `\n`.
-        for i in 1..text.len() {
-            let (a, b) = text.split_at(i);
-            assert_eq!(filtered(&[a, b]), expected, "split at {i}");
-        }
-        // A line that only starts like it is not held: text mid-line passes through at once.
-        let mut f = NoticeFilter::new(notice.clone());
-        let mut out = String::new();
-        f.filter("Pick a number: ", &mut out);
-        assert_eq!(out, "Pick a number: ");
-        f.filter("Picked", &mut out);
-        assert_eq!(out, "Pick a number: Picked");
-        // A prefix at the end of the stream comes out on finish.
-        assert_eq!(filtered(&["Picked up"]), "Picked up");
-    }
-}
@@ -1,11 +1,8 @@
 //! Child-process helpers shared by every crate that spawns tools.

 use std::ffi::{OsStr, OsString};
-#[cfg(windows)]
-use std::process::Stdio;
-use std::process::{Child, Command};
+use std::process::Command;
 use std::sync::{Arc, RwLock};
-use std::time::Duration;

 /// Windows `CREATE_NO_WINDOW` creation flag, for call sites that combine it
 /// with other flags (and then call [`host_env`] themselves). Prefer [`prepare`] otherwise.
@@ -28,70 +25,6 @@ pub fn prepare(cmd: &mut Command) -> &mut Command {
    host_env(cmd)
 }

-/// Starts the child as the leader of its own process group on Unix, so [`kill_tree`] and
-/// [`terminate_tree`] reach what it starts in turn (`gh` → `git`, `npm` → `node`, `mvnw` →
-/// the JVM). A no-op elsewhere: on Windows the tree is found from the child's process id.
-pub fn own_group(cmd: &mut Command) -> &mut Command {
-    #[cfg(unix)]
-    {
-        use std::os::unix::process::CommandExt;
-        cmd.process_group(0);
-    }
-    cmd
-}
-
-/// Kills the child and everything it started, then reaps it.
-///
-/// - Unix: `SIGKILL` to its process group, so spawn it with [`own_group`].
-/// - Windows: `taskkill /T /F`, which walks the tree from the child's process id.
-pub fn kill_tree(child: &mut Child) {
-    #[cfg(unix)]
-    signal_group(child, libc::SIGKILL);
-    #[cfg(windows)]
-    taskkill_tree(child);
-    let _ = child.kill();
-    let _ = child.wait();
-}
-
-/// [`kill_tree`] that first asks the group to exit: `SIGTERM`, then `grace`, then `SIGKILL`.
-/// Git removes its `index.lock` on `SIGTERM`, where `SIGKILL` leaves it behind and the next
-/// git command fails. Windows has no such signal to send from outside the child's console,
-/// so there it is [`kill_tree`].
-pub fn terminate_tree(child: &mut Child, grace: Duration) {
-    #[cfg(unix)]
-    {
-        signal_group(child, libc::SIGTERM);
-        // Sleep rather than `try_wait`: the child stays unreaped, so its process id (and the
-        // group id) cannot be reused before the `SIGKILL` below.
-        std::thread::sleep(grace);
-    }
-    #[cfg(not(unix))]
-    let _ = grace;
-    kill_tree(child);
-}
-
-#[cfg(unix)]
-fn signal_group(child: &Child, signal: libc::c_int) {
-    if let Ok(pid) = libc::pid_t::try_from(child.id()) {
-        // SAFETY: plain syscall. The child is not reaped yet, so `-pid` is still its group (or
-        // no group at all when it was not spawned with `own_group`, and the call fails).
-        unsafe {
-            libc::kill(-pid, signal);
-        }
-    }
-}
-
-#[cfg(windows)]
-fn taskkill_tree(child: &Child) {
-    let mut taskkill = Command::new("taskkill");
-    prepare(&mut taskkill)
-        .args(["/T", "/F", "/PID", &child.id().to_string()])
-        .stdin(Stdio::null())
-        .stdout(Stdio::null())
-        .stderr(Stdio::null());
-    let _ = taskkill.status();
-}
-
 /// Gives `cmd` the host's environment back when the IDE runs from an AppImage. `AppRun` and
 /// its hooks point `LD_LIBRARY_PATH`, `PATH`, `XDG_DATA_DIRS`, `GIO_MODULE_DIR`, `GTK_PATH`,
 /// `GST_PLUGIN_*`, ... into the mounted image for the IDE itself; a host program that
@@ -285,224 +218,10 @@ pub fn executable_names(name: &str, windows: bool, pathext: Option<&str>) -> Vec
    exts.iter().map(|e| format!("{name}{}", e.to_ascii_lowercase())).collect()
 }

-/// First `search` directory holding `name` (see [`executable_names`]).
-pub fn find_executable_in(
-    name: &str,
-    search: &OsStr,
-    windows: bool,
-    pathext: Option<&str>,
-) -> Option<std::path::PathBuf> {
-    let names = executable_names(name, windows, pathext);
-    std::env::split_paths(search)
-        .filter(|d| !d.as_os_str().is_empty())
-        .find_map(|dir| names.iter().map(|n| dir.join(n)).find(|p| p.is_file()))
-}
-
-/// [`find_executable_in`] for this platform (`PATHEXT` from the environment).
-pub fn find_executable(name: &str, search: &OsStr) -> Option<std::path::PathBuf> {
-    let pathext = host_var_os("PATHEXT");
-    find_executable_in(name, search, cfg!(windows), pathext.as_deref().and_then(|p| p.to_str()))
-}
-
-/// The user's own `PATH` entries on Windows (`HKCU\Environment`), the part of the
-/// merged `PATH` a process may not inherit — an IDE started before the variable was
-/// edited, or as a different user, sees only the machine entries. `%VAR%` references
-/// (`REG_EXPAND_SZ`) are expanded against the current environment. `None` elsewhere:
-/// there a login shell already supplies the user's whole `PATH`.
-#[cfg(windows)]
-pub fn user_path() -> Option<OsString> {
-    use windows_sys::Win32::Foundation::ERROR_SUCCESS;
-    use windows_sys::Win32::System::Registry::{HKEY, HKEY_CURRENT_USER, KEY_READ, RegCloseKey, RegOpenKeyExW};
-
-    fn wide(s: &str) -> Vec<u16> {
-        s.encode_utf16().chain(std::iter::once(0)).collect()
-    }
-
-    unsafe {
-        let mut key: HKEY = std::ptr::null_mut();
-        if RegOpenKeyExW(HKEY_CURRENT_USER, wide("Environment").as_ptr(), 0, KEY_READ, &mut key) != ERROR_SUCCESS {
-            return None;
-        }
-        let value = read_registry_string(key, &wide("Path"));
-        RegCloseKey(key);
-        value.filter(|v| !v.trim().is_empty()).map(OsString::from)
-    }
-}
-
-/// The string of value `name` under open `key`: `REG_SZ` as-is, `REG_EXPAND_SZ` expanded
-/// against the current environment. `None` when the value is missing or unreadable.
-///
-/// A `REG_EXPAND_SZ` value's first size query reports the unexpanded size, so a value
-/// that grows when expanded is re-read at the size the failed call reports. And the
-/// terminating NUL can leak into the read buffer with a stray UTF-16 unit behind it —
-/// seen with a `REG_EXPAND_SZ` user `Path`, where it made `env::set_var("PATH", …)`
-/// panic with "strings passed to WinAPI cannot contain NULs" — so the text is cut at
-/// the first NUL, not just stripped of trailing ones.
-#[cfg(windows)]
-fn read_registry_string(key: windows_sys::Win32::System::Registry::HKEY, name: &[u16]) -> Option<String> {
-    use windows_sys::Win32::Foundation::{ERROR_MORE_DATA, ERROR_SUCCESS};
-    use windows_sys::Win32::System::Registry::{RRF_RT_REG_EXPAND_SZ, RRF_RT_REG_SZ, RegGetValueW};
-
-    const FLAGS: u32 = RRF_RT_REG_SZ | RRF_RT_REG_EXPAND_SZ;
-    let mut kind = 0u32;
-    let mut len = 0u32;
-    // SAFETY: `name` is NUL-terminated and the size query writes only `kind` and `len`.
-    let status =
-        unsafe { RegGetValueW(key, std::ptr::null(), name.as_ptr(), FLAGS, &mut kind, std::ptr::null_mut(), &mut len) };
-    if status != ERROR_SUCCESS || len == 0 {
-        return None;
-    }
-    let buf = loop {
-        let mut buf = vec![0u16; len as usize / 2 + 1];
-        // SAFETY: as above; the buffer holds at least the `len` bytes the call may write.
-        let status = unsafe {
-            RegGetValueW(key, std::ptr::null(), name.as_ptr(), FLAGS, &mut kind, buf.as_mut_ptr() as *mut _, &mut len)
-        };
-        if status == ERROR_SUCCESS {
-            break buf;
-        }
-        if status != ERROR_MORE_DATA || len == 0 {
-            return None;
-        }
-    };
-    let text = String::from_utf16_lossy(&buf);
-    let end = text.find('\0').unwrap_or(text.len());
-    Some(text[..end].to_owned())
-}
-
-/// The user's own `PATH` entries; `None` outside Windows (see the Windows impl).
-#[cfg(not(windows))]
-pub fn user_path() -> Option<OsString> {
-    None
-}
-
-/// `path` followed by the [`user_path`] entries it lacks.
-pub fn with_user_path(path: &OsStr) -> OsString {
-    user_path().map_or_else(|| path.to_owned(), |user| append_path_entries(path, &user))
-}
-
-fn append_path_entries(path: &OsStr, extra: &OsStr) -> OsString {
-    let mut dirs: Vec<std::path::PathBuf> = std::env::split_paths(path).filter(|d| !d.as_os_str().is_empty()).collect();
-    for dir in std::env::split_paths(extra).filter(|d| !d.as_os_str().is_empty()) {
-        if !dirs.contains(&dir) {
-            dirs.push(dir);
-        }
-    }
-    std::env::join_paths(dirs).unwrap_or_else(|_| path.to_owned())
-}
-
 #[cfg(test)]
 mod tests {
    use super::*;

-    #[cfg(windows)]
-    #[test]
-    fn user_path_reads_the_current_users_path() {
-        // This host has a user `Path` only when the test account set one; either way the call
-        // must not fail, and a present value is a non-empty `;`-joined list of directories.
-        if let Some(path) = user_path() {
-            let dirs: Vec<_> = std::env::split_paths(&path).collect();
-            assert!(!dirs.is_empty(), "user PATH should hold at least one directory");
-        }
-    }
-
-    #[cfg(windows)]
-    #[test]
-    fn registry_strings_expand_and_stay_terminator_free() {
-        use windows_sys::Win32::Foundation::ERROR_SUCCESS;
-        use windows_sys::Win32::System::Registry::{
-            HKEY, HKEY_CURRENT_USER, KEY_READ, KEY_WRITE, REG_EXPAND_SZ, REG_SZ, RegCloseKey, RegCreateKeyExW,
-            RegDeleteTreeW, RegSetValueExW,
-        };
-
-        fn wide(s: &str) -> Vec<u16> {
-            s.encode_utf16().chain(std::iter::once(0)).collect()
-        }
-
-        struct TestState {
-            key: HKEY,
-            name: String,
-            variable: String,
-            previous: Option<OsString>,
-        }
-        impl Drop for TestState {
-            fn drop(&mut self) {
-                // SAFETY: the key belongs to this test; Windows environment mutation is safe.
-                unsafe {
-                    RegCloseKey(self.key);
-                    RegDeleteTreeW(HKEY_CURRENT_USER, wide(&self.name).as_ptr());
-                    match &self.previous {
-                        Some(value) => std::env::set_var(&self.variable, value),
-                        None => std::env::remove_var(&self.variable),
-                    }
-                }
-            }
-        }
-        let name = format!("Software\\ai.l0ng.openidea.registry-read-test-{}", std::process::id());
-        let variable = format!("OPENIDEA_TEST_REGVAR_{}", std::process::id());
-        let long = "x".repeat(600);
-        let mut key: HKEY = std::ptr::null_mut();
-        let opened = unsafe {
-            RegCreateKeyExW(
-                HKEY_CURRENT_USER,
-                wide(&name).as_ptr(),
-                0,
-                std::ptr::null(),
-                0,
-                KEY_READ | KEY_WRITE,
-                std::ptr::null(),
-                &mut key,
-                std::ptr::null_mut(),
-            )
-        };
-        assert_eq!(opened, ERROR_SUCCESS, "the test key must be creatable under HKCU\\Software");
-        let _cleanup = TestState { key, name, previous: std::env::var_os(&variable), variable: variable.clone() };
-        // SAFETY: Windows permits environment mutation. No other test uses this process-specific name.
-        unsafe { std::env::set_var(&variable, &long) };
-        let set = |value: &str, kind: u32, data: &[u16]| {
-            // SAFETY: `key` is open for writing and `data` holds `data.len() * 2` bytes.
-            assert_eq!(
-                unsafe {
-                    RegSetValueExW(
-                        key,
-                        wide(value).as_ptr(),
-                        0,
-                        kind,
-                        data.as_ptr() as *const _,
-                        (data.len() * 2) as u32,
-                    )
-                },
-                ERROR_SUCCESS
-            );
-        };
-        let read = |value: &str| read_registry_string(key, &wide(value));
-        set("Plain", REG_SZ, &wide("plain"));
-        set("Expand", REG_EXPAND_SZ, &wide(&format!("%{variable}%\\bin")));
-        set("ExpandLong", REG_EXPAND_SZ, &wide(&format!("%{variable}%")));
-        // Reproduce the reported interior terminator followed by a stale UTF-16 unit.
-        set("TrailingGarbage", REG_SZ, &wide("C:\\Zed\\bin\0n"));
-        set("ExpandTrailingGarbage", REG_EXPAND_SZ, &wide(&format!("%{variable}%\\bin\0n")));
-        set("Empty", REG_SZ, &wide(""));
-        let plain = read("Plain");
-        let expand = read("Expand");
-        let expand_long = read("ExpandLong");
-        assert_eq!(plain.as_deref(), Some("plain"));
-        assert_eq!(expand.as_deref(), Some(format!("{long}\\bin")).as_deref());
-        // Longer than its unexpanded form: needs the re-read at the expanded size.
-        assert_eq!(expand_long.as_deref(), Some(long.as_str()));
-        assert_eq!(read("TrailingGarbage").as_deref(), Some("C:\\Zed\\bin"));
-        assert_eq!(read("ExpandTrailingGarbage").as_deref(), Some(format!("{long}\\bin")).as_deref());
-        assert_eq!(read("Empty").as_deref(), Some(""));
-        assert_eq!(read("Missing"), None);
-    }
-
-    #[test]
-    fn append_path_entries_keeps_the_order_and_adds_what_is_missing() {
-        let join = |dirs: &[&str]| std::env::join_paths(dirs).unwrap();
-        assert_eq!(append_path_entries(&join(&["a", "b"]), &join(&["b", "c"])), join(&["a", "b", "c"]));
-        assert_eq!(append_path_entries(OsStr::new(""), &join(&["c"])), join(&["c"]));
-    }
-
    #[test]
    fn shell_env_adds_only_what_the_process_lacks_and_the_overlay_wins() {
        set_shell_env(vec![("OPENIDEA_SHELL_ONLY_VAR".into(), "1".into()), ("PATH".into(), "/from/shell".into())]);
@@ -644,91 +363,4 @@ mod tests {
        prepare(&mut cmd);
        assert_eq!(cmd.get_envs().find(|(k, _)| *k == "PATH").and_then(|(_, v)| v), Some(OsStr::new("/custom")));
    }
-
-    #[test]
-    fn find_executable_finds_bare_names_on_the_given_path() {
-        let dir = tempfile::tempdir().unwrap();
-        let a = dir.path().join("a");
-        let b = dir.path().join("b");
-        std::fs::create_dir_all(&a).unwrap();
-        std::fs::create_dir_all(&b).unwrap();
-        std::fs::write(a.join("agent"), "#!/bin/sh\n").unwrap();
-        std::fs::write(b.join("agent.cmd"), "@echo off\n").unwrap();
-        let search = std::env::join_paths([&a, &b]).unwrap();
-        if cfg!(windows) {
-            // The `.cmd` shim wins over a POSIX script `Command` can't start.
-            assert_eq!(find_executable("agent", &search), Some(b.join("agent.cmd")));
-        } else {
-            assert_eq!(find_executable("agent", &search), Some(a.join("agent")));
-        }
-        assert_eq!(find_executable("nope", &search), None);
-    }
-}
-
-#[cfg(all(test, unix))]
-mod kill_tests {
-    use super::*;
-    use std::path::Path;
-    use std::time::Instant;
-
-    /// Runs `script` in `sh` as its own group's leader and waits for it to write `ready`.
-    fn start(script: &str, ready: &Path) -> Child {
-        let mut cmd = Command::new("sh");
-        cmd.arg("-c").arg(script);
-        let child = own_group(&mut cmd).spawn().unwrap();
-        let deadline = Instant::now() + Duration::from_secs(5);
-        while !ready.exists() {
-            assert!(Instant::now() < deadline, "the script never got ready");
-            std::thread::sleep(Duration::from_millis(10));
-        }
-        child
-    }
-
-    fn assert_gone(pid: libc::pid_t) {
-        let deadline = Instant::now() + Duration::from_secs(5);
-        // SAFETY: signal 0 only checks that the process exists.
-        while unsafe { libc::kill(pid, 0) } == 0 {
-            assert!(Instant::now() < deadline, "process {pid} survived");
-            std::thread::sleep(Duration::from_millis(20));
-        }
-    }
-
-    #[test]
-    fn kill_tree_kills_what_the_child_started() {
-        let dir = tempfile::tempdir().unwrap();
-        let pid_file = dir.path().join("pid");
-        let script = format!("sleep 30 & echo $! > '{0}.tmp' && mv '{0}.tmp' '{0}'; wait", pid_file.display());
-        let mut child = start(&script, &pid_file);
-        let grandchild: libc::pid_t = std::fs::read_to_string(&pid_file).unwrap().trim().parse().unwrap();
-        kill_tree(&mut child);
-        assert!(child.try_wait().unwrap().is_some(), "the child is reaped");
-        assert_gone(grandchild);
-    }
-
-    #[test]
-    fn terminate_tree_lets_the_child_clean_up() {
-        let dir = tempfile::tempdir().unwrap();
-        let (ready, cleaned) = (dir.path().join("ready"), dir.path().join("cleaned"));
-        let script = format!(
-            "trap 'touch \"{}\"; exit 0' TERM; touch \"{}\"; sleep 30 & wait",
-            cleaned.display(),
-            ready.display()
-        );
-        let mut child = start(&script, &ready);
-        terminate_tree(&mut child, Duration::from_millis(500));
-        assert!(cleaned.exists(), "the SIGTERM handler ran before the SIGKILL");
-        assert!(child.try_wait().unwrap().is_some(), "the child is reaped");
-    }
-
-    #[test]
-    fn terminate_tree_still_kills_a_child_that_ignores_sigterm() {
-        let dir = tempfile::tempdir().unwrap();
-        let ready = dir.path().join("ready");
-        let script = format!("trap '' TERM; touch \"{}\"; while :; do sleep 1; done", ready.display());
-        let mut child = start(&script, &ready);
-        let started = Instant::now();
-        terminate_tree(&mut child, Duration::from_millis(50));
-        assert!(child.try_wait().unwrap().is_some(), "the child is reaped");
-        assert!(started.elapsed() < Duration::from_secs(5));
-    }
 }
@@ -207,58 +207,6 @@ impl ProxySettings {
        env.push((OsString::from("no_proxy"), Some(OsString::from(no_proxy))));
        env
    }
-
-    /// System properties that make a JVM follow this configuration. A JVM reads none of
-    /// [`Self::child_env`]: a Java tool (jetty, Maven's resolver, a language server's own
-    /// HTTP client) goes direct without these, and a repository its proxy answers in
-    /// milliseconds can then hang it instead.
-    pub fn jvm_args(&self) -> Vec<String> {
-        match self.mode {
-            // macOS and Windows JVMs read the system proxy with this one.
-            ProxyMode::Auto => vec!["-Djava.net.useSystemProxies=true".into()],
-            ProxyMode::None => Vec::new(),
-            ProxyMode::Manual if self.manual() => self.manual_jvm_args(),
-            ProxyMode::Manual => Vec::new(),
-        }
-    }
-
-    fn manual_jvm_args(&self) -> Vec<String> {
-        let (host, port) = (self.host.trim(), self.port);
-        match self.kind {
-            ProxyKind::Http => {
-                // HTTPS hosts read `https.proxyHost`, plain ones `http.proxyHost`.
-                let mut args = vec![
-                    format!("-Dhttp.proxyHost={host}"),
-                    format!("-Dhttp.proxyPort={port}"),
-                    format!("-Dhttps.proxyHost={host}"),
-                    format!("-Dhttps.proxyPort={port}"),
-                ];
-                let hosts = self.non_proxy_hosts();
-                if !hosts.is_empty() {
-                    args.push(format!("-Dhttp.nonProxyHosts={}", hosts.join("|")));
-                }
-                args
-            }
-            // SOCKS proxies every TCP connection, so there is one property pair.
-            ProxyKind::Socks => vec![
-                format!("-DsocksProxyHost={host}"),
-                format!("-DsocksProxyPort={port}"),
-                "-Djava.net.useSystemProxies=false".into(),
-            ],
-        }
-    }
-
-    /// [`Self::no_proxy`] in the JVM's `http.nonProxyHosts` format: `|` between host
-    /// globs. CIDR ranges and IPv6 literals have no equivalent there and are dropped.
-    fn non_proxy_hosts(&self) -> Vec<String> {
-        let mut hosts: Vec<String> = LOOPBACK.iter().filter(|h| !h.contains(':')).map(|h| (*h).to_owned()).collect();
-        for entry in self.no_proxy_entries() {
-            if !entry.contains(['/', ':', '[', ']']) && !hosts.contains(&entry) {
-                hosts.push(entry);
-            }
-        }
-        hosts
-    }
 }

 /// Case-insensitive host glob (`pattern` is lowercase): `*` matches any run of characters.
@@ -344,34 +292,6 @@ mod tests {
        assert!(p.child_env().is_empty());
    }

-    #[test]
-    fn jvm_args_carry_the_proxy_as_system_properties() {
-        // A JVM reads none of `child_env`: a Java language server needs these to not go
-        // direct while curl, git and Node follow the environment.
-        assert_eq!(ProxySettings::default().jvm_args(), ["-Djava.net.useSystemProxies=true"]);
-        assert!(ProxySettings { mode: ProxyMode::None, ..manual("proxy", 3128) }.jvm_args().is_empty());
-        assert_eq!(
-            manual("proxy.corp", 3128).jvm_args(),
-            [
-                "-Dhttp.proxyHost=proxy.corp",
-                "-Dhttp.proxyPort=3128",
-                "-Dhttps.proxyHost=proxy.corp",
-                "-Dhttps.proxyPort=3128",
-                "-Dhttp.nonProxyHosts=localhost|127.0.0.1",
-            ]
-        );
-        let socks = ProxySettings { kind: ProxyKind::Socks, ..manual("10.0.0.1", 1080) };
-        assert_eq!(socks.jvm_args()[..2], ["-DsocksProxyHost=10.0.0.1", "-DsocksProxyPort=1080"]);
-        // `http.nonProxyHosts` takes host globs: CIDR ranges and IPv6 literals drop out.
-        let p = ProxySettings {
-            no_proxy: "*.corp.com, 172.0.0.0/8, [::1], ::1, localhost".into(),
-            ..manual("proxy.corp", 3128)
-        };
-        assert_eq!(p.jvm_args().last().unwrap(), "-Dhttp.nonProxyHosts=localhost|127.0.0.1|*.corp.com");
-        // A manual proxy without a host connects directly, and so does its JVM.
-        assert!(manual(" ", 80).jvm_args().is_empty());
-    }
-
    #[test]
    fn manual_http_and_socks_urls() {
        let p = manual("proxy.corp", 3128);
@@ -103,19 +103,10 @@ impl Default for DeploymentSettings {
    }
 }

-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum DeploymentType {
-    #[default]
-    Sftp,
-    Local,
-}
-
-/// A deployment filesystem and how project folders map onto it.
+/// An SFTP server and how project folders map onto it.
 #[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct DeploymentServer {
-    pub kind: DeploymentType,
    pub id: String,
    pub name: String,
    /// [`SshConfiguration::id`].
@@ -157,23 +148,3 @@ pub struct RunTarget {
    pub node: String,
    pub java: String,
 }
-
-#[cfg(test)]
-mod deployment_tests {
-    use super::*;
-
-    #[test]
-    fn deployment_type_defaults_and_round_trips() {
-        let legacy: DeploymentServer =
-            serde_json::from_str(r#"{"id":"existing","sshConfig":"ssh","rootPath":"/srv"}"#).unwrap();
-        assert_eq!(legacy.kind, DeploymentType::Sftp);
-        assert_eq!(legacy.ssh_config, "ssh");
-        for kind in [DeploymentType::Sftp, DeploymentType::Local] {
-            let server = DeploymentServer { kind, ..legacy.clone() };
-            assert_eq!(
-                serde_json::from_str::<DeploymentServer>(&serde_json::to_string(&server).unwrap()).unwrap(),
-                server
-            );
-        }
-    }
-}
@@ -58,43 +58,6 @@ pub struct Settings {
    pub deployment: DeploymentSettings,
    /// Build, Execution, Deployment › Run Targets.
    pub run_targets: Vec<RunTarget>,
-    pub cmake: CMakeSettings,
-}
-
-/// Absent profiles retain automatic discovery for existing projects.
-#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct CMakeSettings {
-    #[serde(skip_serializing_if = "Option::is_none")]
-    #[specta(optional)]
-    pub profiles: Option<Vec<CMakeProfile>>,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct CMakeProfile {
-    pub name: String,
-    pub build_type: String,
-    pub generator: String,
-    pub cmake_args: Vec<String>,
-    /// Empty uses cmake-build-<lowercase build type>.
-    pub build_dir: String,
-    pub build_args: Vec<String>,
-    pub env: BTreeMap<String, String>,
-}
-
-impl Default for CMakeProfile {
-    fn default() -> Self {
-        Self {
-            name: "Debug".into(),
-            build_type: "Debug".into(),
-            generator: String::new(),
-            cmake_args: Vec::new(),
-            build_dir: String::new(),
-            build_args: Vec::new(),
-            env: BTreeMap::new(),
-        }
-    }
 }

 #[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
@@ -191,7 +154,6 @@ impl Default for Settings {
            ssh: SshSettings::default(),
            deployment: DeploymentSettings::default(),
            run_targets: Vec::new(),
-            cmake: CMakeSettings::default(),
        }
    }
 }
@@ -216,7 +178,7 @@ pub struct CustomKeymap {
 pub struct GeneralSettings {
    pub reopen_last_project: bool,
    pub confirm_exit: bool,
-    /// Where Open… puts a project while one is open: `ask` | `new` | `same` | `attach`.
+    /// Where Open… puts a project while one is open: `ask` | `new` | `same`.
    pub open_project_in: String,
    /// Initial folder of the Open / Clone dialogs; empty = the OS default.
    pub default_project_directory: String,
@@ -235,7 +197,7 @@ impl Default for GeneralSettings {
    fn default() -> Self {
        Self {
            reopen_last_project: true,
-            confirm_exit: true,
+            confirm_exit: false,
            open_project_in: "ask".into(),
            default_project_directory: String::new(),
            save_on_idle: false,
@@ -314,8 +276,6 @@ pub struct AppearanceSettings {
    /// Apply `ui_font_family` / `ui_font_size` (otherwise the theme's).
    pub use_custom_font: bool,
    pub ui_font_family: String,
-    /// Font tried when `ui_font_family` lacks a glyph; empty = none.
-    pub ui_font_fallback: String,
    pub contrast_scrollbars: bool,
    /// Adjust colours for red-green vision deficiency.
    pub red_green_vision: bool,
@@ -325,14 +285,11 @@ pub struct AppearanceSettings {
    pub project_colors_in_toolbar: bool,
    pub dnd_with_alt_only: bool,
    pub menu_icons: bool,
-    /// `hamburger` | `merged`: main menu presentation in the frameless title bar.
-    pub main_menu_style: String,
    /// `subpixel` | `greyscale` | `none`
    pub ide_antialiasing: String,
    pub editor_antialiasing: String,
    pub show_tool_window_bars: bool,
    pub show_tool_window_names: bool,
-    pub show_tool_window_badges: bool,
    pub widescreen_tool_windows: bool,
    /// Status bar widgets shown (`true`) or hidden (`false`) by the user
    /// (status bar context menu); widgets not listed use their default.
@@ -366,7 +323,6 @@ impl Default for AppearanceSettings {
            zoom: 100,
            use_custom_font: false,
            ui_font_family: "Inter".into(),
-            ui_font_fallback: String::new(),
            contrast_scrollbars: false,
            red_green_vision: false,
            different_tool_window_background: false,
@@ -375,12 +331,10 @@ impl Default for AppearanceSettings {
            project_colors_in_toolbar: true,
            dnd_with_alt_only: false,
            menu_icons: true,
-            main_menu_style: "hamburger".into(),
            ide_antialiasing: "greyscale".into(),
            editor_antialiasing: "greyscale".into(),
            show_tool_window_bars: true,
            show_tool_window_names: false,
-            show_tool_window_badges: true,
            widescreen_tool_windows: false,
            status_bar_widgets: BTreeMap::new(),
            main_toolbar: None,
@@ -388,15 +342,6 @@ impl Default for AppearanceSettings {
    }
 }

-/// Imported editor colour scheme on top of a built-in base.
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct CustomColorScheme {
-    pub name: String,
-    pub parent: String,
-    pub attributes: BTreeMap<String, TextAttributesOverride>,
-}
-
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct EditorSettings {
@@ -412,8 +357,6 @@ pub struct EditorSettings {
    pub format_on_save: bool,
    /// Editor colour scheme id; `theme-default` follows the IDE theme.
    pub color_scheme: String,
-    /// Imported editor schemes, stored in user settings.
-    pub custom_schemes: BTreeMap<String, CustomColorScheme>,
    /// Color Scheme edits: scheme id → attribute id → override.
    pub color_overrides: BTreeMap<String, BTreeMap<String, TextAttributesOverride>>,
    /// Color Scheme › Language Defaults › Semantic highlighting: local variables and
@@ -461,7 +404,6 @@ impl Default for EditorSettings {
            format_on_save: false,
            color_scheme: "theme-default".into(),
            color_overrides: BTreeMap::new(),
-            custom_schemes: BTreeMap::new(),
            semantic_highlighting: false,
            rainbow_brackets: false,
            ligatures: false,
@@ -492,8 +434,6 @@ impl Default for EditorSettings {
 pub struct FileSettings {
    /// Save on focus loss / tab switch, like IDEA.
    pub auto_save: bool,
-    /// Re-check open files against disk when the IDE window gains focus.
-    pub sync_on_focus: bool,
    pub exclude: Vec<String>,
    /// Ignored Files and Folders: name patterns hidden everywhere; see [`crate::ignored`].
    pub ignored_names: Vec<String>,
@@ -525,7 +465,6 @@ impl Default for FileSettings {
    fn default() -> Self {
        Self {
            auto_save: true,
-            sync_on_focus: true,
            exclude: vec!["**/.git".into(), "**/node_modules".into(), "**/target".into()],
            ignored_names: crate::ignored::DEFAULT_IGNORED_NAMES.iter().map(|s| (*s).into()).collect(),
            trim_trailing_whitespace: true,
@@ -546,49 +485,7 @@ pub struct LanguagesSettings {
    pub rust: RustSettings,
    pub go: GoSettings,
    pub typescript: TypeScriptSettings,
-    pub prettier: PrettierSettings,
    pub java: JavaSettings,
-    pub ruby: RubySettings,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct PrettierSettings {
-    /// Empty path: project node_modules, managed installation, then PATH.
-    pub path: String,
-    pub languages: Vec<String>,
-    /// Prefer Prettier even when a language server offers formatting.
-    pub prefer: bool,
-    pub run_on_save: bool,
-}
-
-impl Default for PrettierSettings {
-    fn default() -> Self {
-        Self {
-            path: String::new(),
-            languages: [
-                "markdown",
-                "yaml",
-                "css",
-                "scss",
-                "less",
-                "html",
-                "graphql",
-                "javascript",
-                "javascriptreact",
-                "typescript",
-                "typescriptreact",
-                "json",
-                "jsonc",
-                "vue",
-            ]
-            .into_iter()
-            .map(String::from)
-            .collect(),
-            prefer: false,
-            run_on_save: false,
-        }
-    }
 }

 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
@@ -606,13 +503,6 @@ impl Default for PythonSettings {
    }
 }

-#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct RubySettings {
-    /// Project interpreter executable; empty = auto-detect (`.ruby-version`, mise / asdf, else `ruby` on PATH).
-    pub interpreter: String,
-}
-
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct NodeSettings {
@@ -656,35 +546,6 @@ pub struct GoSettings {
    pub goroot: String,
    /// Empty = `go env GOPATH`.
    pub gopath: String,
-    pub build_tags: GoBuildTags,
-    pub modules: GoModules,
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct GoModules {
-    pub env: BTreeMap<String, String>,
-    pub auto_vendor: bool,
-}
-
-impl Default for GoModules {
-    fn default() -> Self {
-        Self { env: BTreeMap::new(), auto_vendor: true }
-    }
-}
-
-#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct GoBuildTags {
-    /// Empty values inherit the selected toolchain's defaults.
-    pub os: String,
-    pub arch: String,
-    pub version: String,
-    pub compiler: String,
-    /// Empty = automatic, "1" = enabled, "0" = disabled.
-    pub cgo: String,
-    pub custom: String,
-    pub experiments: String,
 }

 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
@@ -702,37 +563,12 @@ pub struct JavaSettings {
    pub jdtls_vm_args: String,
    /// Build Tools › Maven.
    pub maven: MavenSettings,
-    /// Build Tools › Gradle.
-    pub gradle: GradleSettings,
-}
-
-/// Build Tools › Gradle.
-#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
-#[serde(default, rename_all = "camelCase")]
-pub struct GradleSettings {
-    /// Empty = Project JDK; otherwise a JDK home.
-    pub jvm: String,
-    pub distribution: GradleDistribution,
-    /// Used only for the local distribution.
-    pub home: String,
-    /// Empty = Gradle's default user home.
-    pub user_home: String,
-}
-
-#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub enum GradleDistribution {
-    #[default]
-    Wrapper,
-    Local,
 }

 /// Build Tools › Maven.
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct MavenSettings {
-    /// Project-relative root POMs removed from the Maven project model.
-    pub unlinked_projects: Vec<String>,
    /// Maven home (or its `mvn` executable); empty = the project's `mvnw`, else `mvn` on `PATH`.
    pub home: String,
    /// User `settings.xml` (`-s`); empty = `~/.m2/settings.xml`.
@@ -811,62 +647,6 @@ impl Settings {
 mod tests {
    use super::*;

-    #[test]
-    fn cmake_profile_argument_arrays_round_trip() {
-        let mut settings = Settings::default();
-        assert!(settings.cmake.profiles.is_none());
-        assert!(CMakeProfile::default().cmake_args.is_empty());
-        assert!(CMakeProfile::default().build_args.is_empty());
-        let profile = CMakeProfile {
-            cmake_args: ["-DMESSAGE=two words", "-DQUOTE=\"hello\"", ""].map(String::from).into(),
-            build_args: ["-j", "8", "--", "LABEL=it's a build"].map(String::from).into(),
-            ..Default::default()
-        };
-        settings.cmake.profiles = Some(vec![profile.clone()]);
-        let value = serde_json::to_value(&settings).unwrap();
-        assert_eq!(value["cmake"]["profiles"][0]["cmakeArgs"], serde_json::json!(profile.cmake_args));
-        assert_eq!(value["cmake"]["profiles"][0]["buildArgs"], serde_json::json!(profile.build_args));
-        assert_eq!(serde_json::from_value::<Settings>(value).unwrap(), settings);
-    }
-
-    #[test]
-    fn ui_font_fallback_defaults_empty_and_round_trips() {
-        let old: Settings = serde_json::from_str(r#"{"appearance":{"useCustomFont":true}}"#).unwrap();
-        assert!(old.appearance.ui_font_fallback.is_empty());
-        for family in ["", "Songti SC", "Maple Mono NF CN"] {
-            let mut settings = Settings::default();
-            settings.appearance.ui_font_fallback = family.into();
-            let json = serde_json::to_value(&settings).unwrap();
-            assert_eq!(json["appearance"]["uiFontFallback"], family);
-            let restored: Settings = serde_json::from_value(json).unwrap();
-            assert_eq!(restored.appearance.ui_font_fallback, family);
-        }
-    }
-
-    #[test]
-    fn tool_window_badges_default_on_and_round_trip() {
-        let old: Settings = serde_json::from_str(r#"{"appearance":{"showToolWindowNames":true}}"#).unwrap();
-        assert!(old.appearance.show_tool_window_badges);
-        assert!(Settings::default().appearance.show_tool_window_badges);
-        for enabled in [false, true] {
-            let mut settings = Settings::default();
-            settings.appearance.show_tool_window_badges = enabled;
-            let json = serde_json::to_value(&settings).unwrap();
-            assert_eq!(json["appearance"]["showToolWindowBadges"], enabled);
-            let restored: Settings = serde_json::from_value(json).unwrap();
-            assert_eq!(restored.appearance.show_tool_window_badges, enabled);
-        }
-    }
-
-    #[test]
-    fn main_menu_style_defaults_and_round_trips() {
-        let old: Settings = serde_json::from_str(r#"{"appearance":{"compactMode":true}}"#).unwrap();
-        assert_eq!(old.appearance.main_menu_style, "hamburger");
-        let merged: Settings = serde_json::from_str(r#"{"appearance":{"mainMenuStyle":"merged"}}"#).unwrap();
-        assert_eq!(merged.appearance.main_menu_style, "merged");
-        assert_eq!(serde_json::to_value(merged).unwrap()["appearance"]["mainMenuStyle"], "merged");
-    }
-
    #[test]
    fn editor_font_weights_default_to_regular_and_bold() {
        let json = serde_json::to_value(Settings::default()).unwrap();
@@ -911,57 +691,3 @@ mod tests {
        assert!(Settings::default().files.file_types.is_empty());
    }
 }
-
-#[cfg(test)]
-mod maven_linkage_tests {
-    use super::*;
-
-    #[test]
-    fn maven_linkage_defaults_and_round_trips() {
-        let old: MavenSettings = serde_json::from_str(r#"{"home":"/opt/maven"}"#).unwrap();
-        assert!(old.unlinked_projects.is_empty());
-        let settings =
-            MavenSettings { unlinked_projects: vec!["pom.xml".into(), "services/api/pom.xml".into()], ..old };
-        let encoded = serde_json::to_string(&settings).unwrap();
-        assert!(encoded.contains("unlinkedProjects"));
-        assert_eq!(serde_json::from_str::<MavenSettings>(&encoded).unwrap(), settings);
-    }
-}
-
-#[cfg(test)]
-mod gradle_settings_tests {
-    use super::*;
-
-    #[test]
-    fn defaults_and_round_trip() {
-        let old: JavaSettings = serde_json::from_str(r#"{"jdk":"/jdk"}"#).unwrap();
-        assert_eq!(old.gradle, GradleSettings::default());
-        for distribution in [GradleDistribution::Wrapper, GradleDistribution::Local] {
-            let mut settings = Settings::default();
-            settings.languages.java.gradle = GradleSettings {
-                jvm: "/jdk21".into(),
-                distribution,
-                home: "/gradle".into(),
-                user_home: "/cache/gradle".into(),
-            };
-            let restored: Settings = serde_json::from_str(&serde_json::to_string(&settings).unwrap()).unwrap();
-            assert_eq!(restored.languages.java.gradle, settings.languages.java.gradle);
-        }
-    }
-}
-
-#[cfg(test)]
-mod go_module_tests {
-    use super::*;
-    #[test]
-    fn old_go_settings_inherit_module_defaults() {
-        let old: GoSettings = serde_json::from_str(r#"{"goroot":"/go"}"#).unwrap();
-        assert!(old.modules.auto_vendor);
-        assert!(old.modules.env.is_empty());
-        let configured: GoSettings =
-            serde_json::from_str(r#"{"modules":{"autoVendor":false,"env":{"GOPRIVATE":"example.com/private"}}}"#)
-                .unwrap();
-        assert!(!configured.modules.auto_vendor);
-        assert_eq!(configured.modules.env["GOPRIVATE"], "example.com/private");
-    }
-}
@@ -97,88 +97,15 @@ pub struct TextEdit {
 #[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, Type)]
 pub struct WorkspaceEdit {
    pub files: Vec<FileEdit>,
-    /// Content fingerprints captured before presenting an edit for confirmation.
-    #[serde(default)]
-    #[specta(optional)]
-    pub preconditions: Vec<WorkspaceEditPrecondition>,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
-pub struct WorkspaceEditPrecondition {
-    pub path: crate::IpcPath,
-    pub hash: String,
-}
-
-impl WorkspaceEdit {
-    /// Coalesces aliases of the same file before applying edits against its original text.
-    /// Resource operations separate batches because later edits may use the new contents.
-    pub fn deduplicate(&mut self) {
-        let mut files = Vec::new();
-        let mut batch = std::collections::HashMap::<std::path::PathBuf, usize>::new();
-        let mut resolve_aliases = true;
-        for file in std::mem::take(&mut self.files) {
-            match file {
-                FileEdit::Edit { path, edits, version } => {
-                    let path = if resolve_aliases {
-                        dunce::canonicalize(&path).unwrap_or_else(|_| path.to_path_buf())
-                    } else {
-                        path.to_path_buf()
-                    };
-                    let index = *batch.entry(path.clone()).or_insert_with(|| {
-                        files.push(FileEdit::Edit { path: path.clone().into(), edits: Vec::new(), version });
-                        files.len() - 1
-                    });
-                    let FileEdit::Edit { edits: own, version: expected, .. } = &mut files[index] else {
-                        unreachable!()
-                    };
-                    if expected.is_some() && version.is_some() && *expected != version {
-                        // Keep incompatible constraints so application rejects them
-                        // before changing any file instead of silently losing one.
-                        files.push(FileEdit::Edit { path: path.into(), edits, version });
-                        continue;
-                    }
-                    *expected = expected.or(version);
-                    for edit in edits {
-                        if !own.contains(&edit) {
-                            own.push(edit);
-                        }
-                    }
-                }
-                op => {
-                    batch.clear();
-                    // Later paths refer to a filesystem state the resource operation has yet to create.
-                    resolve_aliases = false;
-                    files.push(op);
-                }
-            }
-        }
-        self.files = files;
-    }
 }

 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
 #[serde(tag = "kind", rename_all = "camelCase")]
 pub enum FileEdit {
-    Edit {
-        path: crate::IpcPath,
-        edits: Vec<TextEdit>,
-        /// LSP TextDocumentEdit version; null/unversioned edits use content preconditions.
-        #[serde(default)]
-        #[specta(optional)]
-        version: Option<i32>,
-    },
-    Create {
-        path: crate::IpcPath,
-        overwrite: bool,
-    },
-    Rename {
-        from: crate::IpcPath,
-        to: crate::IpcPath,
-    },
-    Delete {
-        path: crate::IpcPath,
-        recursive: bool,
-    },
+    Edit { path: crate::IpcPath, edits: Vec<TextEdit> },
+    Create { path: crate::IpcPath, overwrite: bool },
+    Rename { from: crate::IpcPath, to: crate::IpcPath },
+    Delete { path: crate::IpcPath, recursive: bool },
 }

 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Serialize, Deserialize, Type)]
@@ -276,35 +203,3 @@ pub struct OutlineItem {

 /// Fuzzy-match highlight: indices (in chars of the displayed string) that matched.
 pub type MatchIndices = Vec<u32>;
-
-#[cfg(all(test, unix))]
-mod workspace_edit_tests {
-    use super::*;
-
-    #[test]
-    fn aliases_are_one_edit_but_resource_operations_preserve_order() {
-        let dir = tempfile::tempdir().unwrap();
-        let real = dir.path().join("main.cpp");
-        let alias = dir.path().join("alias.cpp");
-        std::fs::write(&real, "add()").unwrap();
-        std::os::unix::fs::symlink(&real, &alias).unwrap();
-        let change = TextEdit { range: Range::new(Pos::new(0, 0), Pos::new(0, 3)), new_text: "sum_values".into() };
-        let edit = |path: PathBuf| FileEdit::Edit { path: path.into(), edits: vec![change.clone()], version: None };
-        let mut workspace = WorkspaceEdit {
-            files: vec![
-                edit(real.clone()),
-                edit(alias),
-                FileEdit::Create { path: dir.path().join("other").into(), overwrite: false },
-                edit(real),
-            ],
-            ..Default::default()
-        };
-        workspace.deduplicate();
-        assert_eq!(workspace.files.len(), 3);
-        let FileEdit::Edit { edits, .. } = &workspace.files[0] else { panic!() };
-        assert_eq!(edits, &[change]);
-        let once = workspace.clone();
-        workspace.deduplicate();
-        assert_eq!(workspace, once);
-    }
-}
@@ -1,233 +0,0 @@
-//! Where the IDE looks up the executables it runs: language servers, the tools
-//! their settings come from, installers. An app started from the desktop gets a
-//! minimal `PATH`, and version managers set theirs up in shell rc files.
-
-use crate::process::{host_var_os, login_env};
-use crate::version_managers;
-use std::collections::HashSet;
-use std::ffi::{OsStr, OsString};
-use std::path::{Path, PathBuf};
-
-/// Where executables are looked up: this process's `PATH` (the login shell's in the
-/// app), the login shell's `PATH` as last read, then per-user directories and mise's,
-/// asdf's and pyenv's shims, for when the shell's setup didn't reach the app. Language server
-/// launchers, their settings hooks and tool detection all look here, so a settings
-/// hook finds the executable its server is launched from.
-pub fn search_path() -> OsString {
-    let home = std::env::var_os("HOME").or_else(|| std::env::var_os("USERPROFILE")).map(PathBuf::from);
-    let shell_path = login_env().and_then(|env| env.iter().find(|(k, _)| k == "PATH").map(|(_, v)| v.clone()));
-    let shims: Vec<PathBuf> = version_managers::managers().iter().map(|m| m.shims()).collect();
-    // The Windows user `PATH` may not reach a process started before it was set; append its
-    // entries after the inherited ones so missing user tools still resolve.
-    let user_path = crate::process::user_path();
-    let dirs = search_dirs(
-        host_var_os("PATH").as_deref(),
-        shell_path.as_deref(),
-        user_path.as_deref(),
-        home.as_deref(),
-        &shims,
-    );
-    std::env::join_paths(dirs).unwrap_or_default()
-}
-
-/// Resolves a command on the shared path, or an explicit path relative to `root`.
-pub fn find_command(command: &str, search: &OsStr, root: &Path) -> Option<PathBuf> {
-    let path = Path::new(command);
-    let explicit = path.parent().is_some_and(|p| !p.as_os_str().is_empty());
-    let pathext = host_var_os("PATHEXT");
-    let names = crate::process::executable_names(command, cfg!(windows), pathext.as_deref().and_then(OsStr::to_str));
-    let dirs = if explicit {
-        vec![root.to_path_buf()]
-    } else {
-        std::env::split_paths(search).filter(|p| !p.as_os_str().is_empty()).map(|p| root.join(p)).collect()
-    };
-    dirs.into_iter().find_map(|dir| names.iter().map(|name| dir.join(name)).find(|p| is_executable(p)))
-}
-
-fn is_executable(path: &Path) -> bool {
-    let Ok(metadata) = path.metadata() else { return false };
-    if !metadata.is_file() {
-        return false;
-    }
-    #[cfg(unix)]
-    {
-        use std::os::unix::fs::PermissionsExt;
-        metadata.permissions().mode() & 0o111 != 0
-    }
-    #[cfg(not(unix))]
-    true
-}
-
-/// [`search_path`]'s directories, in order and once each. Only absolute ones: a
-/// relative entry (`.`, `node_modules/.bin`) resolves against the project, which
-/// could then supply the tools the IDE runs. One that can't be joined (a `:` in a
-/// directory name) is left out rather than failing the whole path.
-fn search_dirs(
-    process_path: Option<&OsStr>,
-    shell_path: Option<&OsStr>,
-    user_path: Option<&OsStr>,
-    home: Option<&Path>,
-    shims: &[PathBuf],
-) -> Vec<PathBuf> {
-    let mut dirs: Vec<PathBuf> =
-        process_path.into_iter().chain(shell_path).chain(user_path).flat_map(std::env::split_paths).collect();
-    if let Some(home) = home {
-        dirs.extend(USER_DIRS.iter().map(|d| home.join(d)));
-        dirs.extend(nvm_bins(&home.join(".nvm/versions/node")));
-    }
-    // Version managers' shims after real tool directories: a shim exists for a command any
-    // installed version has, and fails when the selected one lacks it. Before the system's,
-    // as the managers' shell setup puts them.
-    dirs.extend(home.map(|h| h.join(".pyenv/shims")));
-    dirs.extend(shims.iter().cloned());
-    dirs.extend(SYSTEM_DIRS.iter().map(PathBuf::from));
-    let mut seen = HashSet::new();
-    dirs.retain(|d| d.is_absolute() && std::env::join_paths([d]).is_ok() && seen.insert(d.clone()));
-    dirs
-}
-
-/// Tool directories below the home directory.
-const USER_DIRS: &[&str] = &[
-    ".cargo/bin",
-    ".local/bin",
-    "go/bin",
-    // `dotnet tool install --global` puts fsautocomplete, csharp-ls and friends here.
-    ".dotnet/tools",
-    ".bun/bin",
-    ".deno/bin",
-    ".npm-global/bin",
-    ".volta/bin",
-    // Set up in shell rc files: fnm's default Node and pnpm's global bin (Linux, then macOS).
-    ".local/share/fnm/aliases/default/bin",
-    "Library/Application Support/fnm/aliases/default/bin",
-    ".fnm/aliases/default/bin",
-    ".local/share/pnpm/bin",
-    ".local/share/pnpm",
-    "Library/pnpm/bin",
-    "Library/pnpm",
-];
-
-const SYSTEM_DIRS: &[&str] = &["/opt/homebrew/bin", "/usr/local/go/bin", "/usr/local/bin", "/usr/bin", "/bin"];
-
-/// Whether `dir` is one of the system's own bin directories, which [`search_path`] adds
-/// whatever `PATH` holds.
-pub fn is_system_dir(dir: &Path) -> bool {
-    SYSTEM_DIRS.iter().any(|d| Path::new(d) == dir)
-}
-
-/// The `bin` directories of nvm's Node versions in `dir`, newest first.
-fn nvm_bins(dir: &Path) -> Vec<PathBuf> {
-    let mut versions: Vec<(Vec<u64>, PathBuf)> = std::fs::read_dir(dir)
-        .into_iter()
-        .flatten()
-        .flatten()
-        .map(|e| (version_key(&e.file_name().to_string_lossy()), e.path().join("bin")))
-        .collect();
-    versions.sort();
-    versions.into_iter().rev().map(|(_, bin)| bin).collect()
-}
-
-/// `v22.10.1` as `[22, 10, 1]`: v22 is newer than v9, v20.10 newer than v20.9.
-fn version_key(name: &str) -> Vec<u64> {
-    name.trim_start_matches('v').split('.').map(|n| n.parse().unwrap_or(0)).collect()
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn commands_resolve_on_path_and_explicit_paths_under_root() {
-        let dir = tempfile::tempdir().unwrap();
-        let bin = dir.path().join("bin");
-        std::fs::create_dir(&bin).unwrap();
-        let name = if cfg!(windows) { "ngserver.cmd" } else { "ngserver" };
-        std::fs::write(bin.join(name), "").unwrap();
-        #[cfg(unix)]
-        {
-            use std::os::unix::fs::PermissionsExt;
-            std::fs::set_permissions(bin.join(name), std::fs::Permissions::from_mode(0o755)).unwrap();
-        }
-        let search = std::env::join_paths([&bin]).unwrap();
-        assert_eq!(find_command("ngserver", &search, dir.path()), Some(bin.join(name)));
-        assert_eq!(find_command("bin/ngserver", &search, dir.path()), Some(bin.join(name)));
-        assert_eq!(find_command(bin.join(name).to_str().unwrap(), &search, dir.path()), Some(bin.join(name)));
-        assert_eq!(find_command("absent", &search, dir.path()), None);
-        for command in ["bin/ngserver", bin.join(name).to_str().unwrap()] {
-            assert_eq!(find_command(command, OsStr::new(""), dir.path()), Some(bin.join(name)));
-        }
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn non_executable_files_do_not_shadow_commands() {
-        use std::os::unix::fs::PermissionsExt;
-        let tmp = tempfile::tempdir().unwrap();
-        let dirs = [tmp.path().join("first"), tmp.path().join("second")];
-        for (dir, mode) in dirs.iter().zip([0o644, 0o755]) {
-            std::fs::create_dir(dir).unwrap();
-            let file = dir.join("ngserver");
-            std::fs::write(&file, "#!/bin/sh\n").unwrap();
-            std::fs::set_permissions(file, std::fs::Permissions::from_mode(mode)).unwrap();
-        }
-        let path = std::env::join_paths(&dirs).unwrap();
-        assert_eq!(find_command("ngserver", &path, tmp.path()), Some(dirs[1].join("ngserver")));
-        assert_eq!(find_command("first/ngserver", &path, tmp.path()), None);
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn search_dirs_put_the_process_path_first_and_shims_after_real_tools() {
-        let shims = [PathBuf::from("/home/me/.local/share/mise/shims"), "/home/me/.asdf/shims".into()];
-        let dirs = search_dirs(
-            Some(OsStr::new("/usr/bin:.:node_modules/.bin:/opt/tools")),
-            // nushell prints `$PATH` as is.
-            Some(OsStr::new("$PATH:/opt/tools:/home/me/.asdf/shims")),
-            None,
-            Some(Path::new("/home/me")),
-            &shims,
-        );
-        let at = |d: &str| dirs.iter().position(|p| p == Path::new(d)).unwrap();
-        assert_eq!(dirs[..3], [PathBuf::from("/usr/bin"), "/opt/tools".into(), "/home/me/.asdf/shims".into()]);
-        assert!(at("/home/me/.npm-global/bin") < at("/home/me/.pyenv/shims"));
-        // Global .NET tools (fsautocomplete, csharp-ls) install here, off PATH.
-        assert!(at("/home/me/.dotnet/tools") < at("/usr/local/bin"));
-        assert!(at("/home/me/.local/share/mise/shims") < at("/usr/local/bin"));
-        assert!(dirs.iter().all(|d| d.is_absolute()));
-        let unique: HashSet<&PathBuf> = dirs.iter().collect();
-        assert_eq!(unique.len(), dirs.len());
-        // A `:` can't be in a `PATH` entry: those below such a home are left out.
-        let dirs = search_dirs(Some(OsStr::new("/usr/bin")), None, None, Some(Path::new("/home/a:b")), &[]);
-        assert!(dirs.contains(&PathBuf::from("/usr/bin")) && !dirs.iter().any(|d| d.starts_with("/home")));
-    }
-
-    #[test]
-    fn search_dirs_append_user_path_entries_once_after_the_inherited_path() {
-        let (system, dup, usertool) =
-            if cfg!(windows) { ("C:/system", "C:/dup", "C:/usertool") } else { ("/system", "/dup", "/usertool") };
-        let home = Path::new(if cfg!(windows) { "C:/home/me" } else { "/home/me" });
-        let join = |dirs: &[&str]| std::env::join_paths(dirs.iter().map(PathBuf::from)).unwrap();
-        let inherited = join(&[system, dup]);
-        let user = join(&[dup, usertool]);
-        let dirs = search_dirs(Some(inherited.as_os_str()), None, Some(user.as_os_str()), Some(home), &[]);
-        let at = |d: &str| dirs.iter().position(|p| p == Path::new(d)).unwrap();
-        // User entries follow the inherited PATH, de-duplicated, ahead of the fallbacks.
-        assert_eq!(dirs.iter().filter(|d| *d == Path::new(dup)).count(), 1);
-        assert!(at(dup) < at(usertool));
-        // And before this platform's home/system fallbacks.
-        let fallback = dirs.iter().position(|d| d == &home.join(USER_DIRS[0])).unwrap();
-        assert!(at(usertool) < fallback);
-    }
-
-    #[test]
-    fn nvm_versions_newest_first() {
-        let dir = std::env::temp_dir().join(format!("openidea-nvm-{}", std::process::id()));
-        for v in ["v9.11.2", "v20.9.0", "v22.1.0", "v20.10.0"] {
-            std::fs::create_dir_all(dir.join(v).join("bin")).unwrap();
-        }
-        let bins = nvm_bins(&dir);
-        std::fs::remove_dir_all(&dir).unwrap();
-        let names: Vec<_> = bins.iter().map(|b| b.parent().unwrap().file_name().unwrap().to_owned()).collect();
-        assert_eq!(names, ["v22.1.0", "v20.10.0", "v20.9.0", "v9.11.2"]);
-    }
-}
@@ -1,243 +0,0 @@
-//! Version managers that keep one install per tool version (mise, asdf): where their
-//! installs and shims live. SDK detection lists the installs; child processes get the
-//! shims on `PATH` when the manager's shell hook didn't run (an app started from the Dock,
-//! `mise activate` only in an interactive rc file).
-
-use std::ffi::{OsStr, OsString};
-use std::path::{Path, PathBuf};
-
-pub const MISE: &str = "mise";
-pub const ASDF: &str = "asdf";
-
-/// A toolchain the version managers install.
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
-pub enum Tool {
-    Java,
-    Node,
-    Python,
-    Go,
-    Maven,
-    Gradle,
-    Ruby,
-}
-
-impl Tool {
-    /// The tool's names in mise and asdf plugins (`nodejs`, `golang` are asdf's).
-    pub fn names(self) -> &'static [&'static str] {
-        match self {
-            Tool::Java => &["java"],
-            Tool::Node => &["node", "nodejs"],
-            Tool::Python => &["python"],
-            Tool::Go => &["go", "golang"],
-            Tool::Maven => &["maven"],
-            Tool::Gradle => &["gradle"],
-            Tool::Ruby => &["ruby"],
-        }
-    }
-}
-
-/// One version manager's data directory (`installs/`, `shims/`).
-#[derive(Clone, Debug, PartialEq, Eq)]
-pub struct Manager {
-    pub name: &'static str,
-    pub dir: PathBuf,
-}
-
-impl Manager {
-    pub fn shims(&self) -> PathBuf {
-        self.dir.join("shims")
-    }
-
-    /// `installs/<tool>/<version>` directories of `tool`, sorted. The alias links mise
-    /// adds next to an install (`21 -> ./21.0.2`, `latest`) are left out; a link to an
-    /// install elsewhere (`mise link`) is kept.
-    pub fn installs(&self, tool: Tool) -> Vec<PathBuf> {
-        let mut out = Vec::new();
-        for name in tool.names() {
-            let Ok(entries) = std::fs::read_dir(self.dir.join("installs").join(name)) else { continue };
-            for e in entries.flatten() {
-                let path = e.path();
-                let alias = e.file_type().is_ok_and(|t| t.is_symlink())
-                    && std::fs::read_link(&path).is_ok_and(|t| t.is_relative() && t.components().count() <= 2);
-                if !alias && path.is_dir() {
-                    out.push(path);
-                }
-            }
-        }
-        out.sort();
-        out
-    }
-
-    /// The install of `tool` named `version` exactly (alias links included).
-    pub fn install_named(&self, tool: Tool, version: &str) -> Option<PathBuf> {
-        if version.is_empty() || version.contains(['/', '\\']) || version.starts_with('.') {
-            return None;
-        }
-        tool.names().iter().map(|n| self.dir.join("installs").join(n).join(version)).find(|p| p.is_dir())
-    }
-}
-
-/// mise's and asdf's data directories that exist, as this process's environment (and the
-/// login shell's) set them.
-pub fn managers() -> Vec<Manager> {
-    let lookup = |k: &str| {
-        crate::process::host_var_os(k)
-            .or_else(|| crate::process::login_env()?.iter().find(|(n, _)| n == k).map(|(_, v)| v.clone()))
-    };
-    let home = std::env::var_os("HOME").or_else(|| std::env::var_os("USERPROFILE")).map(PathBuf::from);
-    managers_with(&lookup, home.as_deref()).into_iter().filter(|m| m.dir.is_dir()).collect()
-}
-
-/// mise: `MISE_DATA_DIR`, else `$XDG_DATA_HOME/mise`, else `~/.local/share/mise`
-/// (`%LOCALAPPDATA%\mise` on Windows). asdf: `ASDF_DATA_DIR`, else `~/.asdf`.
-pub fn managers_with(env: &dyn Fn(&str) -> Option<OsString>, home: Option<&Path>) -> Vec<Manager> {
-    let var = |k: &str| env(k).filter(|v| !v.is_empty()).map(PathBuf::from);
-    let mise = var("MISE_DATA_DIR")
-        .or_else(|| var("XDG_DATA_HOME").map(|d| d.join("mise")))
-        .or_else(|| if cfg!(windows) { var("LOCALAPPDATA").map(|d| d.join("mise")) } else { None })
-        .or_else(|| home.map(|h| h.join(".local/share/mise")));
-    let asdf = var("ASDF_DATA_DIR").or_else(|| home.map(|h| h.join(".asdf")));
-    let mut out = Vec::new();
-    out.extend(mise.map(|dir| Manager { name: MISE, dir }));
-    out.extend(asdf.map(|dir| Manager { name: ASDF, dir }));
-    out
-}
-
-/// Every install of `tool` with the manager it came from, mise's first.
-pub fn installs(tool: Tool) -> Vec<(PathBuf, &'static str)> {
-    managers().iter().flat_map(|m| m.installs(tool).into_iter().map(|p| (p, m.name))).collect()
-}
-
-/// The manager whose installs `path` lies in.
-pub fn manager_of(path: &Path) -> Option<&'static str> {
-    manager_in(&managers(), path)
-}
-
-pub fn manager_in(managers: &[Manager], path: &Path) -> Option<&'static str> {
-    managers.iter().find_map(|m| {
-        let installs = m.dir.join("installs");
-        let real = dunce::canonicalize(&installs).ok();
-        (path.starts_with(&installs) || real.is_some_and(|r| path.starts_with(r))).then_some(m.name)
-    })
-}
-
-/// Whether `path` is a version manager's shim (it picks the version by the working directory).
-pub fn is_shim(path: &Path) -> bool {
-    path.parent().is_some_and(is_shims_dir)
-}
-
-/// Whether `dir` is a version manager's `shims` folder.
-pub fn is_shims_dir(dir: &Path) -> bool {
-    managers().iter().any(|m| m.shims() == dir)
-}
-
-/// `path` (a `PATH` value) with the shims of a manager it doesn't reach yet: mise's in
-/// front (a mise shim runs the next tool on `PATH` when no version is set), asdf's at the
-/// end (an asdf shim fails then). A `PATH` that has a manager's shims or installs already
-/// (its shell hook ran) is left as it is for that manager.
-pub fn path_with_shims(managers: &[Manager], path: &OsStr) -> OsString {
-    let mut dirs: Vec<PathBuf> = if path.is_empty() { Vec::new() } else { std::env::split_paths(path).collect() };
-    let before = dirs.len();
-    for m in managers {
-        let shims = m.shims();
-        let installs = m.dir.join("installs");
-        if !shims.is_dir() || dirs.iter().any(|d| d == &shims || d.starts_with(&installs)) {
-            continue;
-        }
-        if m.name == MISE {
-            dirs.insert(0, shims);
-        } else {
-            dirs.push(shims);
-        }
-    }
-    if dirs.len() == before {
-        return path.to_owned();
-    }
-    std::env::join_paths(dirs).unwrap_or_else(|_| path.to_owned())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[cfg(unix)]
-    fn mkdir(p: &Path) {
-        std::fs::create_dir_all(p).unwrap();
-    }
-
-    #[test]
-    fn data_dirs_follow_the_environment() {
-        let home = Path::new("/home/me");
-        let none = |_: &str| None;
-        let dirs: Vec<_> = managers_with(&none, Some(home)).into_iter().map(|m| (m.name, m.dir)).collect();
-        if !cfg!(windows) {
-            assert_eq!(dirs[0], (MISE, home.join(".local/share/mise")));
-        }
-        assert_eq!(dirs[1], (ASDF, home.join(".asdf")));
-
-        let xdg = |k: &str| (k == "XDG_DATA_HOME").then(|| OsString::from("/xdg"));
-        assert_eq!(managers_with(&xdg, Some(home))[0].dir, Path::new("/xdg/mise"));
-
-        let custom = |k: &str| match k {
-            "MISE_DATA_DIR" => Some(OsString::from("/opt/mise")),
-            "XDG_DATA_HOME" => Some(OsString::from("/xdg")),
-            "ASDF_DATA_DIR" => Some(OsString::from("/opt/asdf")),
-            _ => None,
-        };
-        let dirs: Vec<_> = managers_with(&custom, Some(home)).into_iter().map(|m| m.dir).collect();
-        assert_eq!(dirs, [PathBuf::from("/opt/mise"), PathBuf::from("/opt/asdf")]);
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn installs_skip_alias_links() {
-        let tmp = tempfile::tempdir().unwrap();
-        let mise = Manager { name: MISE, dir: tmp.path().join("mise") };
-        let node = mise.dir.join("installs/node");
-        mkdir(&node.join("20.11.0"));
-        mkdir(&node.join("22.1.0"));
-        std::os::unix::fs::symlink("./22.1.0", node.join("22")).unwrap();
-        std::os::unix::fs::symlink("./22.1.0", node.join("latest")).unwrap();
-        let elsewhere = tmp.path().join("opt-node");
-        mkdir(&elsewhere);
-        std::os::unix::fs::symlink(&elsewhere, node.join("linked")).unwrap();
-        std::fs::write(node.join(".mise.backend.toml"), "").unwrap();
-
-        let names: Vec<_> =
-            mise.installs(Tool::Node).iter().map(|p| p.file_name().unwrap().to_string_lossy().into_owned()).collect();
-        assert_eq!(names, ["20.11.0", "22.1.0", "linked"]);
-        assert_eq!(mise.install_named(Tool::Node, "22"), Some(node.join("22")));
-        assert_eq!(mise.install_named(Tool::Node, "18"), None);
-        assert_eq!(mise.install_named(Tool::Node, "../node"), None);
-
-        // asdf's plugin names.
-        let asdf = Manager { name: ASDF, dir: tmp.path().join("asdf") };
-        mkdir(&asdf.dir.join("installs/golang/1.22.1"));
-        assert_eq!(asdf.installs(Tool::Go), [asdf.dir.join("installs/golang/1.22.1")]);
-        assert_eq!(manager_in(&[mise.clone(), asdf.clone()], &node.join("20.11.0/bin/node")), Some(MISE));
-        assert_eq!(manager_in(&[mise, asdf], tmp.path()), None);
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn shims_join_a_path_the_hook_did_not_set() {
-        let tmp = tempfile::tempdir().unwrap();
-        let mise = Manager { name: MISE, dir: tmp.path().join("mise") };
-        let asdf = Manager { name: ASDF, dir: tmp.path().join("asdf") };
-        let managers = [mise.clone(), asdf.clone()];
-        let path = OsString::from("/usr/bin:/bin");
-        assert_eq!(path_with_shims(&managers, &path), path, "no shims installed");
-
-        mkdir(&mise.shims());
-        mkdir(&asdf.shims());
-        let got = path_with_shims(&managers, &path);
-        let want = format!("{}:/usr/bin:/bin:{}", mise.shims().display(), asdf.shims().display());
-        assert_eq!(got, OsString::from(want));
-        assert_eq!(path_with_shims(&managers, &got), got, "applied once");
-
-        // `mise activate` put an install on PATH: mise is active, only asdf's shims join.
-        let active = format!("{}:/usr/bin", mise.dir.join("installs/node/22.1.0/bin").display());
-        let got = path_with_shims(&managers, OsStr::new(&active));
-        assert_eq!(got, OsString::from(format!("{active}:{}", asdf.shims().display())));
-    }
-}
@@ -41,8 +41,6 @@ impl Default for VcsSettings {
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
 #[serde(default, rename_all = "camelCase")]
 pub struct GitSettings {
-    /// Show blame after the current editor line.
-    pub inline_blame: bool,
    /// Path to the git executable; empty = auto-detect.
    pub executable: String,
    /// Default of Update Project: `merge` | `rebase`.
@@ -73,7 +71,6 @@ pub struct GitSettings {
 impl Default for GitSettings {
    fn default() -> Self {
        Self {
-            inline_blame: false,
            executable: String::new(),
            update_method: "merge".into(),
            auto_update_on_push_rejected: false,
@@ -213,12 +213,8 @@ pub fn collect(spec: &CoverageReportSpec) -> IdeResult<CoverageSuite> {
                .output()
                .map_err(|e| IdeError::unavailable(format!("cannot run {program}: {e}")))?;
            if !out.status.success() {
-                let text = ide_core::output_encoding::decode_tool_output(&out.stderr).trim().to_owned();
-                let text = if text.is_empty() {
-                    ide_core::output_encoding::decode_tool_output(&out.stdout).trim().to_owned()
-                } else {
-                    text
-                };
+                let text = String::from_utf8_lossy(&out.stderr).trim().to_owned();
+                let text = if text.is_empty() { String::from_utf8_lossy(&out.stdout).trim().to_owned() } else { text };
                return Err(IdeError::not_found(format!("exporting the coverage data failed: {text}")));
            }
            let text = read_report(lcov)?;
@@ -6,7 +6,6 @@ edition.workspace = true
 license.workspace = true

 [dependencies]
-tempfile.workspace = true
 ide-core.workspace = true
 ide-language.workspace = true
 ide-jsonrpc.workspace = true
@@ -63,12 +63,6 @@ fn builtin(adapter: &str) -> Option<DebuggerConfig> {
            "tcp",
            "Install the CodeLLDB adapter (https://github.com/vadimcn/codelldb/releases) and put `codelldb` on PATH",
        ),
-        "kotlin-debug-adapter" => cfg(
-            "kotlin-debug-adapter",
-            &[],
-            "stdio",
-            "Install the Kotlin Debug Adapter from Settings > Language Servers",
-        ),
        "debugpy" => cfg("python3", &["-m", "debugpy.adapter"], "stdio", "pip install debugpy"),
        "js-debug" => cfg(
            "js-debug-adapter",
@@ -348,17 +342,8 @@ pub struct AdapterIo {
    pub port: Option<u16>,
    /// Recent stderr lines of the adapter process, for error messages.
    pub stderr: Arc<parking_lot::Mutex<Vec<String>>>,
-    /// (category, line) printed by the debuggee when it shares the adapter's stdio.
-    pub program_output: Option<ProgramOutput>,
 }

-pub type ProgramOutput = tokio::sync::mpsc::UnboundedReceiver<(&'static str, String)>;
-type ProgramSink = tokio::sync::mpsc::UnboundedSender<(&'static str, String)>;
-
-/// Delve's debuggee inherits its stdio; no DAP output event carries what the program prints.
-const SHARES_STDIO: &str = "delve";
-const DELVE_BANNER: &str = "DAP server listening at:";
-
 pub type LaunchFuture = Pin<Box<dyn Future<Output = IdeResult<AdapterIo>> + Send>>;

 /// Starts adapters. Tests substitute in-memory adapters.
@@ -394,7 +379,6 @@ impl AdapterLauncher for ProcessLauncher {
                    child: None,
                    port: Some(port),
                    stderr,
-                    program_output: None,
                });
            }
            let embedded = match spec.connect.as_deref().filter(|_| spec.transport == Transport::Tcp) {
@@ -417,7 +401,6 @@ impl AdapterLauncher for ProcessLauncher {
                    child: None,
                    port: Some(*port),
                    stderr,
-                    program_output: None,
                });
            }
            if spec.adapter == DEBUGPY_TOOL {
@@ -456,14 +439,8 @@ impl AdapterLauncher for ProcessLauncher {
                .kill_on_drop(true);
            let mut child =
                cmd.spawn().map_err(|e| IdeError::unavailable(format!("failed to start {}: {e}", binary.display())))?;
-            let (program_sink, program_output) = if spec.adapter == SHARES_STDIO {
-                let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
-                (Some(tx), Some(rx))
-            } else {
-                (None, None)
-            };
            if let Some(err) = child.stderr.take() {
-                pump_lines(err, spec.adapter.clone(), stderr.clone(), program_sink.clone().map(|tx| (tx, "stderr")));
+                pump_lines(err, spec.adapter.clone(), stderr.clone());
            }
            match port {
                None => {
@@ -475,12 +452,11 @@ impl AdapterLauncher for ProcessLauncher {
                        child: Some(child),
                        port: None,
                        stderr,
-                        program_output,
                    })
                }
                Some(port) => {
                    if let Some(out) = child.stdout.take() {
-                        pump_lines(out, spec.adapter.clone(), stderr.clone(), program_sink.map(|tx| (tx, "stdout")));
+                        pump_lines(out, spec.adapter.clone(), stderr.clone());
                    }
                    let timeout = if embedded.is_some() { EMBEDDED_START_TIMEOUT } else { CONNECT_TIMEOUT };
                    let stream = match connect_with_retries(LOOPBACK, port, Some(&mut child), timeout).await {
@@ -502,7 +478,6 @@ impl AdapterLauncher for ProcessLauncher {
                        child: Some(child),
                        port: Some(port),
                        stderr,
-                        program_output,
                    })
                }
            }
@@ -514,15 +489,9 @@ fn pump_lines<R: AsyncRead + Unpin + Send + 'static>(
    stream: R,
    name: String,
    sink: Arc<parking_lot::Mutex<Vec<String>>>,
-    program: Option<(ProgramSink, &'static str)>,
 ) {
    tokio::spawn(ide_jsonrpc::output::read_lines(stream, move |line| {
        tracing::debug!(target: "ide_dap::adapter", "[{name}] {line}");
-        if let Some((tx, category)) = &program
-            && !line.starts_with(DELVE_BANNER)
-        {
-            let _ = tx.send((category, format!("{line}\n")));
-        }
        push_line(&sink, line);
    }));
 }
@@ -574,18 +543,6 @@ async fn connect_with_retries(
 mod tests {
    use super::*;

-    #[tokio::test]
-    async fn program_output_is_forwarded_without_the_adapter_banner() {
-        let (tx, mut rx) = tokio::sync::mpsc::unbounded_channel();
-        let sink = Arc::default();
-        let text: &[u8] = b"DAP server listening at: 127.0.0.1:1\n[hello two words]\nno newline";
-        pump_lines(text, "delve".into(), Arc::clone(&sink), Some((tx, "stdout")));
-        assert_eq!(rx.recv().await, Some(("stdout", "[hello two words]\n".into())));
-        assert_eq!(rx.recv().await, Some(("stdout", "no newline\n".into())));
-        assert_eq!(rx.recv().await, None);
-        assert_eq!(sink.lock().len(), 3);
-    }
-
    /// Managed tools win over `PATH`, and debugpy falls back to the private copy.
    #[cfg(unix)]
    #[tokio::test]
@@ -70,10 +70,8 @@ pub async fn build(
    let on_output = std::sync::Arc::new(on_output);
    let err_out = on_output.clone();
    let err_task = tokio::spawn(async move {
-        let mut lines = BufReader::new(stderr).split(b'\n');
-        while let Ok(Some(line)) = lines.next_segment().await {
-            let line = ide_core::output_encoding::decode_tool_output(&line);
-            let line = line.trim_end_matches('\r');
+        let mut lines = BufReader::new(stderr).lines();
+        while let Ok(Some(line)) = lines.next_line().await {
            err_out(format!("{line}\n"));
        }
    });
@@ -1,218 +0,0 @@
-//! Package-aligned sources for fwcd's path-based class resolver. Never write into a project.
-use ide_core::{IdeError, IdeResult};
-use serde_json::Value;
-use std::{
-    collections::HashMap,
-    fs,
-    path::{Path, PathBuf},
-};
-
-pub const ADAPTER: &str = "kotlin-debug-adapter";
-
-pub struct SourceMirror {
-    dir: tempfile::TempDir,
-    paths: HashMap<PathBuf, PathBuf>,
-    copies: Vec<(PathBuf, PathBuf)>,
-    source_dir: PathBuf,
-    roots: HashMap<PathBuf, usize>,
-}
-
-impl SourceMirror {
-    pub fn create(project: &Path) -> IdeResult<Self> {
-        let base = fs::canonicalize(std::env::temp_dir())?;
-        // Check before creating anything, including when TMPDIR points into a project.
-        if base.starts_with(fs::canonicalize(project)?) {
-            return Err(IdeError::invalid("Kotlin source mirror must be outside the project"));
-        }
-        let dir = tempfile::Builder::new().prefix("openidea-kotlin-").tempdir_in(base)?;
-        let source_dir = if project.join("src").is_dir() { project.join("src") } else { project.to_owned() };
-        let mut mirror = Self {
-            dir,
-            paths: HashMap::new(),
-            copies: Vec::new(),
-            source_dir: source_dir.clone(),
-            roots: HashMap::new(),
-        };
-        mirror.scan(&source_dir)?;
-        Ok(mirror)
-    }
-
-    pub fn root(&self) -> &Path {
-        self.dir.path()
-    }
-
-    fn scan(&mut self, dir: &Path) -> IdeResult<()> {
-        for entry in fs::read_dir(dir)? {
-            let entry = entry?;
-            let path = entry.path();
-            let kind = entry.file_type()?;
-            if kind.is_dir() {
-                if !matches!(
-                    entry.file_name().to_str(),
-                    Some(".git" | ".gradle" | "build" | "target" | "node_modules" | ".idea" | ".openidea")
-                ) {
-                    self.scan(&path)?;
-                }
-            } else if matches!(path.extension().and_then(|s| s.to_str()), Some("kt" | "java")) {
-                self.add(&path)?;
-            }
-        }
-        Ok(())
-    }
-
-    fn add(&mut self, real: &Path) -> IdeResult<()> {
-        if self.paths.contains_key(real) {
-            return Ok(());
-        }
-        let Ok(text) = fs::read_to_string(real) else {
-            tracing::debug!("Kotlin debug mirror: skipping unreadable {}", real.display());
-            return Ok(());
-        };
-        let language = if real.extension().is_some_and(|e| e == "java") { "java" } else { "kotlin" };
-        let relative = real.strip_prefix(&self.source_dir).unwrap_or(real);
-        let mut components = relative.components();
-        let source_set = components.next().map(|c| PathBuf::from(c.as_os_str())).unwrap_or_default();
-        let next_root = self.roots.len();
-        let index = *self.roots.entry(source_set).or_insert(next_root);
-        let mut mirror = self.root().join(format!("root{index}")).join("src/main").join(language);
-        for part in package(&text).split('.').filter(|s| !s.is_empty()) {
-            if part == ".." || part.contains(['/', '\\']) {
-                tracing::debug!("Kotlin debug mirror: skipping {} (invalid package)", real.display());
-                return Ok(());
-            }
-            mirror.push(part);
-        }
-        mirror.push(real.file_name().ok_or_else(|| IdeError::invalid("Source has no filename"))?);
-        // Same package and file name in one source set (e.g. main and test of a module):
-        // the first wins; breakpoints in the other stay unverified instead of failing the session.
-        if self.paths.values().any(|p| p == &mirror) {
-            tracing::debug!("Kotlin debug mirror: skipping ambiguous {}", real.display());
-            return Ok(());
-        }
-        fs::create_dir_all(mirror.parent().unwrap())?;
-        if link(real, &mirror).is_err() {
-            fs::copy(real, &mirror)?;
-            self.copies.push((real.to_owned(), mirror.clone()));
-        }
-        self.paths.insert(real.to_owned(), mirror);
-        Ok(())
-    }
-
-    pub fn adapter_path(&self, real: &Path) -> Option<PathBuf> {
-        self.paths.get(real).cloned()
-    }
-    pub fn client_path(&self, mirror: &Path) -> Option<PathBuf> {
-        self.paths.iter().find_map(|(real, p)| (p == mirror).then(|| real.clone()))
-    }
-    pub fn refresh(&mut self) -> IdeResult<()> {
-        for (real, mirror) in &self.copies {
-            if real.is_file() {
-                fs::copy(real, mirror)?;
-            }
-        }
-        self.scan(&self.source_dir.clone())
-    }
-    pub fn translate(&self, value: &mut Value) {
-        match value {
-            Value::Object(obj) => {
-                if let Some(path) = obj.get("path").and_then(Value::as_str).and_then(|p| self.client_path(Path::new(p)))
-                {
-                    obj.insert("path".into(), Value::String(path.to_string_lossy().into_owned()));
-                }
-                for child in obj.values_mut() {
-                    self.translate(child);
-                }
-            }
-            Value::Array(items) => {
-                for child in items {
-                    self.translate(child);
-                }
-            }
-            _ => {}
-        }
-    }
-}
-
-#[cfg(unix)]
-fn link(real: &Path, mirror: &Path) -> std::io::Result<()> {
-    std::os::unix::fs::symlink(real, mirror)
-}
-#[cfg(windows)]
-fn link(real: &Path, mirror: &Path) -> std::io::Result<()> {
-    std::os::windows::fs::symlink_file(real, mirror)
-}
-
-// Remove comments before reading the package directive (including nested Kotlin block comments).
-fn package(text: &str) -> String {
-    let mut clean = String::new();
-    let mut chars = text.chars().peekable();
-    let mut depth = 0;
-    while let Some(c) = chars.next() {
-        if c == '/' && chars.peek() == Some(&'*') {
-            chars.next();
-            depth += 1;
-            clean.push(' ');
-        } else if depth > 0 && c == '*' && chars.peek() == Some(&'/') {
-            chars.next();
-            depth -= 1;
-        } else if depth == 0 && c == '/' && chars.peek() == Some(&'/') {
-            for c in chars.by_ref() {
-                if c == '\n' {
-                    clean.push('\n');
-                    break;
-                }
-            }
-        } else if depth == 0 {
-            clean.push(c);
-        }
-    }
-    clean
-        .lines()
-        .find_map(|line| {
-            let rest = line.trim().strip_prefix("package")?;
-            if !rest.starts_with(char::is_whitespace) {
-                return None;
-            }
-            Some(rest.split(';').next().unwrap_or_default().trim().replace('`', ""))
-        })
-        .unwrap_or_default()
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    #[test]
-    fn external_mirror_round_trip_and_cleanup() {
-        let project = tempfile::tempdir().unwrap();
-        let real = project.path().join("Main.kt");
-        fs::write(&real, "/* package wrong */\npackage org.example\nfun main() {}\n").unwrap();
-        let mirror = SourceMirror::create(project.path()).unwrap();
-        let path = mirror.adapter_path(&real).unwrap();
-        assert!(!path.starts_with(project.path()));
-        assert!(path.ends_with("src/main/kotlin/org/example/Main.kt"));
-        assert_eq!(fs::read_to_string(&path).unwrap(), fs::read_to_string(&real).unwrap());
-        let mut payload =
-            serde_json::json!({"stackFrames": [{"source": {"path": path}, "line": 6}], "source": {"path": path}});
-        mirror.translate(&mut payload);
-        assert_eq!(payload["stackFrames"][0]["source"]["path"], real.to_string_lossy().as_ref());
-        assert_eq!(payload["source"]["path"], real.to_string_lossy().as_ref());
-        let root = mirror.root().to_owned();
-        drop(mirror);
-        assert!(!root.exists());
-        assert!(real.exists());
-    }
-    #[test]
-    fn copies_refresh_after_save() {
-        let project = tempfile::tempdir().unwrap();
-        let real = project.path().join("Main.java");
-        fs::write(&real, "package example;\nclass Main {}\n").unwrap();
-        let mut mirror = SourceMirror::create(project.path()).unwrap();
-        let path = mirror.adapter_path(&real).unwrap();
-        fs::remove_file(&path).unwrap();
-        fs::copy(&real, &path).unwrap();
-        mirror.copies.push((real.clone(), path.clone()));
-        fs::write(&real, "package example;\nclass Main { int i; }\n").unwrap();
-        mirror.refresh().unwrap();
-        assert_eq!(fs::read(&path).unwrap(), fs::read(&real).unwrap());
-    }
-}
@@ -1,166 +0,0 @@
-//! Keep a suspended JVM stopped until Kotlin's adapter has installed its listeners.
-//! The official 0.4.4 adapter resumes VMStart while constructing its debuggee, before
-//! installing breakpoint hooks. DAP attach completes only after those hooks exist.
-use ide_core::IdeResult;
-use std::{io, time::Duration};
-use tokio::{
-    io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt},
-    net::{TcpListener, TcpStream},
-    sync::oneshot,
-    task::JoinHandle,
-};
-
-pub(crate) struct StartupRelay {
-    release: Option<oneshot::Sender<()>>,
-    task: JoinHandle<()>,
-}
-
-impl StartupRelay {
-    pub async fn start(host: String, port: u16) -> IdeResult<(Self, u16)> {
-        let listener = TcpListener::bind(("127.0.0.1", 0)).await?;
-        let local = listener.local_addr()?.port();
-        let (release, ready) = oneshot::channel();
-        let task = tokio::spawn(async move {
-            let connect = async {
-                let (adapter, _) = listener.accept().await?;
-                let jvm = TcpStream::connect((host.as_str(), port)).await?;
-                adapter.set_nodelay(true)?;
-                jvm.set_nodelay(true)?;
-                Ok::<_, io::Error>((adapter, jvm))
-            };
-            if let Ok(Ok((adapter, jvm))) = tokio::time::timeout(Duration::from_secs(60), connect).await {
-                let (mut ar, mut aw) = adapter.into_split();
-                let (mut jr, mut jw) = jvm.into_split();
-                let upstream = forward(&mut ar, &mut jw, ready);
-                let downstream = tokio::io::copy(&mut jr, &mut aw);
-                // Close both sockets as soon as either side disconnects.
-                tokio::select! {
-                    r = upstream => if let Err(e) = r { tracing::debug!("Kotlin JDWP relay: {e}"); },
-                    _ = downstream => {},
-                }
-            }
-        });
-        Ok((Self { release: Some(release), task }, local))
-    }
-
-    pub fn release(&mut self) {
-        if let Some(ready) = self.release.take() {
-            let _ = ready.send(());
-        }
-    }
-}
-
-impl Drop for StartupRelay {
-    fn drop(&mut self) {
-        self.task.abort();
-    }
-}
-
-async fn packet(reader: &mut (impl AsyncRead + Unpin)) -> io::Result<Vec<u8>> {
-    let mut header = [0; 11];
-    reader.read_exact(&mut header).await?;
-    let len = u32::from_be_bytes(header[..4].try_into().unwrap()) as usize;
-    if !(11..=16 * 1024 * 1024).contains(&len) {
-        return Err(io::Error::new(io::ErrorKind::InvalidData, "Invalid JDWP packet length"));
-    }
-    let mut packet = vec![0; len];
-    packet[..11].copy_from_slice(&header);
-    reader.read_exact(&mut packet[11..]).await?;
-    Ok(packet)
-}
-
-async fn forward(
-    reader: &mut (impl AsyncRead + Unpin),
-    writer: &mut (impl AsyncWrite + Unpin),
-    mut ready: oneshot::Receiver<()>,
-) -> io::Result<()> {
-    let mut handshake = [0; 14];
-    reader.read_exact(&mut handshake).await?;
-    if &handshake != b"JDWP-Handshake" {
-        return Err(io::Error::new(io::ErrorKind::InvalidData, "Invalid JDWP handshake"));
-    }
-    writer.write_all(&handshake).await?;
-    let mut released = false;
-    let mut held: Vec<Vec<u8>> = Vec::new();
-    loop {
-        // Retain the in-flight read when attach completes, including partial packets.
-        let read = packet(reader);
-        tokio::pin!(read);
-        let packet = tokio::select! {
-            result = &mut read => result?,
-            result = &mut ready, if !released => {
-                result.map_err(|_| io::Error::new(io::ErrorKind::ConnectionAborted, "Kotlin attach cancelled"))?;
-                released = true;
-                for packet in held.drain(..) {
-                    writer.write_all(&packet).await?;
-                }
-                read.await?
-            }
-        };
-        // JDWP VirtualMachine.Resume (1/9), ThreadReference.Resume (11/3).
-        // Other commands must proceed: attach itself queries threads and installs requests.
-        if !released && packet[8] == 0 && matches!((packet[9], packet[10]), (1, 9) | (11, 3)) {
-            if held.len() >= 1024 {
-                return Err(io::Error::new(io::ErrorKind::InvalidData, "Too many pending JDWP resumes"));
-            }
-            held.push(packet);
-        } else {
-            writer.write_all(&packet).await?;
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn command(id: u8, set: u8, cmd: u8) -> Vec<u8> {
-        vec![0, 0, 0, 11, 0, 0, 0, id, 0, set, cmd]
-    }
-
-    #[tokio::test]
-    async fn holds_resumes_but_allows_setup_and_preserves_partial_reads() {
-        let (mut adapter, mut reader) = tokio::io::duplex(4096);
-        let (mut writer, mut jvm) = tokio::io::duplex(4096);
-        let (release, ready) = oneshot::channel();
-        let task = tokio::spawn(async move { forward(&mut reader, &mut writer, ready).await });
-        adapter.write_all(b"JDWP-Handshake").await.unwrap();
-        let mut handshake = [0; 14];
-        jvm.read_exact(&mut handshake).await.unwrap();
-        assert_eq!(&handshake, b"JDWP-Handshake");
-        let resume = command(1, 1, 9);
-        let thread_resume = command(2, 11, 3);
-        let setup = command(3, 1, 4);
-        adapter.write_all(&resume).await.unwrap();
-        adapter.write_all(&thread_resume).await.unwrap();
-        adapter.write_all(&setup).await.unwrap();
-        assert_eq!(packet(&mut jvm).await.unwrap(), setup);
-        let next = command(4, 1, 9);
-        adapter.write_all(&next[..6]).await.unwrap();
-        release.send(()).unwrap();
-        assert_eq!(packet(&mut jvm).await.unwrap(), resume);
-        assert_eq!(packet(&mut jvm).await.unwrap(), thread_resume);
-        adapter.write_all(&next[6..]).await.unwrap();
-        assert_eq!(packet(&mut jvm).await.unwrap(), next);
-        drop(adapter);
-        assert!(task.await.unwrap().is_err());
-    }
-
-    #[tokio::test]
-    async fn dropping_session_closes_relay() {
-        let (relay, port) = StartupRelay::start("127.0.0.1".into(), 1).await.unwrap();
-        let mut adapter = TcpStream::connect(("127.0.0.1", port)).await.unwrap();
-        drop(relay);
-        let result = tokio::time::timeout(Duration::from_secs(1), adapter.read_u8()).await.unwrap();
-        assert!(result.is_err());
-    }
-
-    #[tokio::test]
-    async fn rejects_invalid_packet_lengths() {
-        for len in [0_u32, 10, 16 * 1024 * 1024 + 1] {
-            let mut bytes = command(1, 1, 9);
-            bytes[..4].copy_from_slice(&len.to_be_bytes());
-            assert_eq!(packet(&mut bytes.as_slice()).await.unwrap_err().kind(), io::ErrorKind::InvalidData);
-        }
-    }
-}
@@ -13,8 +13,6 @@ pub mod attach;
 mod cargo;
 pub mod connection;
 pub mod jdwp;
-pub mod kotlin;
-mod kotlin_jdwp;
 mod session;

 use adapter::{AdapterLauncher, AdapterSpec, ProcessLauncher};
@@ -565,14 +563,6 @@ impl DebugManager {
        let dbg = adapter::find_config(&self.languages, &config.adapter)
            .ok_or_else(|| IdeError::unavailable(format!("unknown debug adapter `{}`", config.adapter)))?;
        let mut spec = adapter::resolve(&dbg, cwd.clone());
-        if config.adapter == kotlin::ADAPTER
-            && let Some(home) = arguments
-                .as_object_mut()
-                .and_then(|o| o.remove("__adapterJavaHome"))
-                .and_then(|v| v.as_str().map(str::to_owned))
-        {
-            spec.env.push(("JAVA_HOME".into(), home));
-        }
        if let Some(command) = custom_command(&spec.command) {
            spec.command = command;
        }
@@ -697,14 +687,6 @@ impl DebugManager {
        };
        let session =
            Arc::new(Session::new(id, owner, name, adapter_name, parent, request, conn, spec, io.port, io.child));
-        if let Some(mut output) = io.program_output {
-            let session = session.clone();
-            tokio::spawn(async move {
-                while let Some((category, output)) = output.recv().await {
-                    session.emit(ide_core::event::DebugEvent::Output { category: category.into(), output });
-                }
-            });
-        }
        self.sessions.lock().insert(id, session.clone());
        self.order.lock().push(id);
        // Announced before the event loop runs, so it precedes every adapter event.
@@ -740,19 +722,7 @@ impl DebugManager {
        }
    }

-    async fn configure(&self, s: &Arc<Session>, mut arguments: Value) -> IdeResult<()> {
-        if s.adapter == kotlin::ADAPTER {
-            let project = arguments
-                .get("projectRoot")
-                .and_then(Value::as_str)
-                .map(PathBuf::from)
-                .unwrap_or_else(|| s.spec.cwd.clone());
-            let mirror = tokio::task::spawn_blocking(move || kotlin::SourceMirror::create(&project))
-                .await
-                .map_err(|e| IdeError::internal(e.to_string()))??;
-            arguments["projectRoot"] = json!(mirror.root());
-            *s.kotlin_mirror.lock() = Some(mirror);
-        }
+    async fn configure(&self, s: &Arc<Session>, arguments: Value) -> IdeResult<()> {
        let caps = s
            .conn
            .request_timeout(
@@ -779,32 +749,8 @@ impl DebugManager {
            .await?;
        *s.caps.lock() = if caps.is_object() { caps } else { json!({}) };

-        // The Kotlin adapter ignores the resolved classpath and project runtime on launch.
-        let request = if s.adapter == kotlin::ADAPTER && s.request == "launch" {
-            session::start_kotlin_debuggee(s, &mut arguments).await?;
-            "attach"
-        } else {
-            &s.request
-        };
-        if s.adapter == kotlin::ADAPTER {
-            let host = arguments
-                .get("hostName")
-                .and_then(Value::as_str)
-                .ok_or_else(|| IdeError::invalid("Missing Kotlin JDWP host"))?
-                .to_owned();
-            let port = arguments
-                .get("port")
-                .and_then(Value::as_u64)
-                .and_then(|p| u16::try_from(p).ok())
-                .filter(|p| *p != 0)
-                .ok_or_else(|| IdeError::invalid("Invalid Kotlin JDWP port"))?;
-            let (relay, port) = kotlin_jdwp::StartupRelay::start(host, port).await?;
-            *s.kotlin_relay.lock() = Some(relay);
-            arguments["hostName"] = json!("127.0.0.1");
-            arguments["port"] = json!(port);
-        }
        // Many adapters answer `launch` only after `configurationDone`, so don't wait for it yet.
-        let launch = s.conn.send_request(request, arguments)?;
+        let launch = s.conn.send_request(&s.request, arguments)?;
        let mut launch = Box::pin(async move { launch.await.unwrap_or(Err(DapError::Closed)) });
        let mut initialized = s.initialized.subscribe();
        let mut launch_result = None;
@@ -834,7 +780,6 @@ impl DebugManager {
                        s.emit(ide_core::event::DebugEvent::BreakpointsChanged { path: path.into() });
                    }
                }
-                Err(e) if s.adapter == kotlin::ADAPTER => return Err(e.into()),
                Err(e) => tracing::debug!("setBreakpoints for {} failed: {e}", path.display()),
            }
        }
@@ -857,11 +802,7 @@ impl DebugManager {
            let _ = self.send_exception_breakpoints(s).await;
        }
        if s.supports("supportsConfigurationDoneRequest") {
-            if s.adapter == kotlin::ADAPTER {
-                drop(s.conn.send_request("configurationDone", json!({}))?);
-            } else {
-                s.conn.request_timeout("configurationDone", Value::Null, REQUEST_TIMEOUT).await?;
-            }
+            s.conn.request_timeout("configurationDone", Value::Null, REQUEST_TIMEOUT).await?;
        }
        s.configured.store(true, Ordering::Release);
        if launch_result.is_none() {
@@ -872,9 +813,6 @@ impl DebugManager {
                Err(_) => return Err(DapError::Timeout(s.request.clone()).into()),
            }
        }
-        if let Some(relay) = s.kotlin_relay.lock().as_mut() {
-            relay.release();
-        }
        Ok(())
    }

@@ -931,7 +869,6 @@ impl DebugManager {
                Ok(states) => {
                    result.get_or_insert(states);
                }
-                Err(e) if s.adapter == kotlin::ADAPTER => return Err(e.into()),
                Err(e) => tracing::debug!("setBreakpoints on session {} failed: {e}", s.id.0),
            }
        }
@@ -949,23 +886,6 @@ impl DebugManager {
        Ok(states)
    }

-    /// Refresh fallback copies after an editor save.
-    pub async fn refresh_source_mirrors(&self, owner: &str) -> IdeResult<()> {
-        let sessions: Vec<_> = self.sessions.lock().values().filter(|s| s.owner.key == owner).cloned().collect();
-        tokio::task::spawn_blocking(move || {
-            for s in sessions {
-                if let Some(mirror) = s.kotlin_mirror.lock().as_mut()
-                    && let Err(e) = mirror.refresh()
-                {
-                    tracing::warn!("Could not refresh Kotlin debug sources: {e}");
-                }
-            }
-            Ok(())
-        })
-        .await
-        .map_err(|e| IdeError::internal(e.to_string()))?
-    }
-
    /// Last known verification states of a file's breakpoints (after `BreakpointsChanged`).
    pub fn breakpoint_states(&self, path: &Path) -> Vec<BreakpointState> {
        self.states.lock().get(path).cloned().unwrap_or_default()
@@ -1389,16 +1309,6 @@ impl DebugManager {
        })
    }

-    /// Stops every session `key` started: the window that opened the project is closing.
-    pub async fn stop_key(&self, key: &str) {
-        let ids: Vec<DebugSessionId> = self.sessions(Some(key)).into_iter().map(|s| s.id).collect();
-        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.
    pub async fn stop(&self, s: DebugSessionId) -> IdeResult<()> {
        let session = self.session(s)?;
@@ -54,8 +54,6 @@ pub(crate) struct Session {
    /// Resolved path → the path as the IDE knows it, for adapters given resolved paths.
    resolved_paths: Mutex<HashMap<PathBuf, PathBuf>>,
    progress: Mutex<HashMap<String, TaskId>>,
-    pub kotlin_relay: Mutex<Option<crate::kotlin_jdwp::StartupRelay>>,
-    pub kotlin_mirror: Mutex<Option<crate::kotlin::SourceMirror>>,
 }

 /// Adapters that only match files by their resolved path: Godot maps a script to
@@ -97,8 +95,6 @@ impl Session {
            breakpoint_ids: Mutex::new(HashMap::new()),
            resolved_paths: Mutex::new(HashMap::new()),
            progress: Mutex::new(HashMap::new()),
-            kotlin_relay: Mutex::new(None),
-            kotlin_mirror: Mutex::new(None),
        }
    }

@@ -108,14 +104,6 @@ impl Session {

    /// `path` as sent to the adapter (resolved for [`RESOLVES_PATHS`] adapters).
    pub fn adapter_path(&self, path: &Path) -> PathBuf {
-        if let Some(path) = self.kotlin_mirror.lock().as_ref().and_then(|m| m.adapter_path(path)) {
-            return path;
-        }
-        if self.adapter == "java-debug" {
-            let native = java_source_path(&path.to_string_lossy());
-            self.resolved_paths.lock().insert(native.clone(), path.to_path_buf());
-            return native;
-        }
        if !RESOLVES_PATHS.contains(&self.adapter.as_str()) {
            return path.to_path_buf();
        }
@@ -130,14 +118,7 @@ impl Session {

    /// A path from the adapter as the IDE knows it (undoes [`Session::adapter_path`]).
    pub fn client_path(&self, path: &str) -> Option<PathBuf> {
-        if let Some(real) = self.kotlin_mirror.lock().as_ref().and_then(|m| m.client_path(Path::new(path))) {
-            return Some(real);
-        }
-        let key = if self.adapter == "java-debug" { java_source_path(path) } else { PathBuf::from(path) };
-        self.resolved_paths.lock().get(&key).cloned().or_else(|| {
-            (self.adapter == "java-debug" && is_windows_source_path(path))
-                .then(|| PathBuf::from(path.replace('\\', "/")))
-        })
+        self.resolved_paths.lock().get(Path::new(path)).cloned()
    }

    pub fn supports(&self, cap: &str) -> bool {
@@ -255,7 +236,6 @@ impl Session {

    /// Kills the adapter and every debuggee we started.
    pub fn kill_processes(&self) {
-        self.kotlin_relay.lock().take();
        if let Some(mut c) = self.adapter_process.lock().take() {
            let _ = c.start_kill();
        }
@@ -265,19 +245,6 @@ impl Session {
    }
 }

-// java-debug treats a forward-slash drive path as a URI (scheme "C").
-// Keep DAP path mode, but use native Windows separators for Java source lookup.
-fn is_windows_source_path(path: &str) -> bool {
-    let bytes = path.as_bytes();
-    (bytes.len() >= 3 && bytes[0].is_ascii_alphabetic() && bytes[1] == b':' && matches!(bytes[2], b'/' | b'\\'))
-        || path.starts_with("//")
-        || path.starts_with(r"\\")
-}
-
-fn java_source_path(path: &str) -> PathBuf {
-    if is_windows_source_path(path) { PathBuf::from(path.replace('/', r"\")) } else { PathBuf::from(path) }
-}
-
 fn with_conditions(v: &mut Value, condition: Option<&str>, hit_condition: Option<&str>) {
    if let Some(c) = condition.filter(|c| !c.trim().is_empty()) {
        v["condition"] = c.into();
@@ -330,10 +297,7 @@ pub(crate) async fn event_loop(
    }
 }

-async fn on_event(mgr: &Arc<DebugManager>, s: &Arc<Session>, event: &str, mut body: Value) {
-    if let Some(mirror) = s.kotlin_mirror.lock().as_ref() {
-        mirror.translate(&mut body);
-    }
+async fn on_event(mgr: &Arc<DebugManager>, s: &Arc<Session>, event: &str, body: Value) {
    let int = |k: &str| body.get(k).and_then(Value::as_i64);
    let str_ = |k: &str| body.get(k).and_then(Value::as_str).map(str::to_owned);
    match event {
@@ -522,74 +486,3 @@ fn forward_output<R: AsyncRead + Unpin + Send + 'static>(s: &Session, mut stream
        }
    });
 }
-
-/// Launch with the IDE's resolved runtime and classpath; the adapter only attaches.
-pub(crate) async fn start_kotlin_debuggee(s: &Arc<Session>, args: &mut Value) -> ide_core::IdeResult<()> {
-    use tokio::io::{AsyncBufReadExt, BufReader};
-    let port = crate::adapter::free_port()?;
-    let java = args.get("javaExec").and_then(Value::as_str).unwrap_or("java");
-    let strings = |key: &str| -> Vec<String> {
-        args.get(key)
-            .and_then(Value::as_array)
-            .map(|a| a.iter().filter_map(Value::as_str).map(str::to_owned).collect())
-            .unwrap_or_default()
-    };
-    let classpath =
-        std::env::join_paths(strings("classPaths")).map_err(|e| ide_core::IdeError::invalid(e.to_string()))?;
-    let mut cmd = tokio::process::Command::new(java);
-    ide_core::process::prepare(cmd.as_std_mut());
-    cmd.args(strings("vmArguments"))
-        .arg(format!("-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=127.0.0.1:{port}"))
-        .arg("-cp")
-        .arg(classpath);
-    let modules = strings("modulePaths");
-    if !modules.is_empty() {
-        cmd.arg("--module-path")
-            .arg(std::env::join_paths(modules).map_err(|e| ide_core::IdeError::invalid(e.to_string()))?);
-    }
-    cmd.arg(
-        args.get("mainClass")
-            .and_then(Value::as_str)
-            .ok_or_else(|| ide_core::IdeError::invalid("Missing Kotlin main class"))?,
-    )
-    .args(strings("programArgs"))
-    .current_dir(&s.spec.cwd)
-    .envs(ide_core::process::shell_env())
-    .stdin(Stdio::null())
-    .stdout(Stdio::piped())
-    .stderr(Stdio::piped())
-    .kill_on_drop(true);
-    if let Some(env) = args.get("env").and_then(Value::as_object) {
-        for (k, v) in env {
-            if let Some(v) = v.as_str() {
-                cmd.env(k, v);
-            }
-        }
-    }
-    let mut child = cmd.spawn()?;
-    if let Some(err) = child.stderr.take() {
-        forward_output(s, err, "stderr");
-    }
-    let mut stdout =
-        BufReader::new(child.stdout.take().ok_or_else(|| ide_core::IdeError::internal("Missing JVM stdout"))?);
-    tokio::time::timeout(Duration::from_secs(15), async {
-        loop {
-            let mut line = String::new();
-            if stdout.read_line(&mut line).await? == 0 {
-                return Err(ide_core::IdeError::unavailable("JVM exited before starting its debug listener"));
-            }
-            if line.contains("Listening for transport dt_socket") {
-                return Ok(());
-            }
-            s.emit(DebugEvent::Output { category: "stdout".into(), output: line });
-        }
-    })
-    .await
-    .map_err(|_| ide_core::IdeError::unavailable("JVM did not start its debug listener"))??;
-    forward_output(s, stdout, "stdout");
-    s.debuggees.lock().push(child);
-    args["hostName"] = json!("127.0.0.1");
-    args["port"] = json!(port);
-    args["timeout"] = json!(10000);
-    Ok(())
-}
@@ -15,8 +15,6 @@ struct Script {
    run_in_terminal: Option<Vec<String>>,
    /// Send a `startDebugging` reverse request (child session) when a non-child `launch` arrives.
    start_debugging: bool,
-    ignore_configuration_done: bool,
-    source_path: Option<String>,
 }

 struct FakeLauncher {
@@ -32,14 +30,7 @@ impl AdapterLauncher for FakeLauncher {
        tokio::spawn(fake_adapter(server, log, script));
        let (r, w) = tokio::io::split(client);
        Box::pin(async move {
-            Ok(AdapterIo {
-                reader: Box::new(r),
-                writer: Box::new(w),
-                child: None,
-                port: None,
-                stderr: Arc::default(),
-                program_output: None,
-            })
+            Ok(AdapterIo { reader: Box::new(r), writer: Box::new(w), child: None, port: None, stderr: Arc::default() })
        })
    }
 }
@@ -139,9 +130,7 @@ async fn fake_adapter<S: AsyncRead + AsyncWrite + Unpin + Send + 'static>(stream
                ok!(msg, json!({"value": format!("{}!", msg["arguments"]["value"].as_str().unwrap()), "type": "int"}))
            }
            "configurationDone" => {
-                if !script.ignore_configuration_done {
-                    ok!(msg, Value::Null);
-                }
+                ok!(msg, Value::Null);
                if let Some(l) = pending_launch.take() {
                    send!(json!({"type": "response", "request_seq": l, "command": "launch", "success": true}));
                }
@@ -150,14 +139,14 @@ async fn fake_adapter<S: AsyncRead + AsyncWrite + Unpin + Send + 'static>(stream
                    json!({"type": "event", "event": "stopped", "body": {"reason": "breakpoint", "threadId": 1, "allThreadsStopped": true}})
                );
                send!(
-                    json!({"type": "event", "event": "breakpoint", "body": {"reason": "changed", "breakpoint": {"id": 1, "verified": false, "message": "moved", "line": 9, "source": {"path": script.source_path}}}})
+                    json!({"type": "event", "event": "breakpoint", "body": {"reason": "changed", "breakpoint": {"id": 1, "verified": false, "message": "moved", "line": 9}}})
                );
            }
            "threads" => ok!(msg, json!({"threads": [{"id": 1, "name": "MainThread"}]})),
            "stackTrace" => ok!(
                msg,
                json!({"stackFrames": [
-                    {"id": 10, "name": "main", "line": 5, "column": 3, "source": {"path": script.source_path.as_deref().unwrap_or("/p/a.py")}},
+                    {"id": 10, "name": "main", "line": 5, "column": 3, "source": {"path": "/p/a.py"}},
                    {"id": 11, "name": "lib", "line": 1, "column": 1, "source": {"path": "/usr/lib/x.py", "presentationHint": "deemphasize"}},
                ]})
            ),
@@ -904,8 +893,6 @@ fn godot_registry(port: u16, command: &str, args: &[&str]) -> Arc<LanguageRegist
        block_comment: None,
        indent: None,
        ui_mode: None,
-        framework_ui_modes: Vec::new(),
-        formatter: None,
        tree_sitter: None,
        language_servers: vec![],
        debugger: Some(ide_language::DebuggerConfig {
@@ -1028,122 +1015,3 @@ fn root_and_address_placeholders() {
    assert_eq!(adapter::parse_address("[::1]:6006"), Some(("::1".into(), 6006)));
    assert_eq!(adapter::parse_address("6006"), None);
 }
-
-#[tokio::test]
-async fn kotlin_configures_without_configuration_done_response() {
-    let h = harness(Script { ignore_configuration_done: true, ..Default::default() });
-    let project = tempfile::tempdir().unwrap();
-    let path = project.path().join("Main.kt");
-    std::fs::write(&path, "package org.example\nfun main() {}\n").unwrap();
-    h.manager.set_breakpoints(path.clone(), vec![bp(1)]).await.unwrap();
-    let mut config = config();
-    config.adapter = kotlin::ADAPTER.into();
-    config.request = "attach".into();
-    config.cwd = Some(project.path().to_owned().into());
-    config.extra_json = Some(json!({"projectRoot": project.path(), "hostName": "127.0.0.1", "port": 5005}).to_string());
-    let id = tokio::time::timeout(Duration::from_secs(2), h.start(config)).await.unwrap().unwrap();
-    let root = PathBuf::from(h.request("attach")["arguments"]["projectRoot"].as_str().unwrap());
-    assert!(!root.starts_with(project.path()));
-    let request = h.request("setBreakpoints");
-    assert_eq!(request["arguments"]["source"]["name"], "Main.kt");
-    let mapped = PathBuf::from(request["arguments"]["source"]["path"].as_str().unwrap());
-    assert!(mapped.starts_with(&root));
-    assert!(mapped.is_file());
-    assert_eq!(h.manager.session(id).unwrap().client_path(mapped.to_str().unwrap()), Some(path));
-    h.manager.stop(id).await.unwrap();
-}
-
-/// Requires a compiled no-delay reporter fixture (Main.kt, package org.example,
-/// loop at line 5, println(i) at line 6), and the unmodified official adapter.
-/// KOTLIN_PROBE_CONFIG is a LaunchConfig JSON file; KOTLIN_PROBE_ADAPTER is its executable.
-#[tokio::test]
-#[ignore = "requires official Kotlin adapter and compiled reporter fixture"]
-async fn kotlin_official_release_ten_no_delay_runs() {
-    let config: LaunchConfig = serde_json::from_slice(
-        &std::fs::read(std::env::var("KOTLIN_PROBE_CONFIG").expect("KOTLIN_PROBE_CONFIG")).unwrap(),
-    )
-    .unwrap();
-    let adapter = std::env::var("KOTLIN_PROBE_ADAPTER").expect("KOTLIN_PROBE_ADAPTER");
-    let source = PathBuf::from(config.cwd.clone().unwrap()).join("src/main/kotlin/Main.kt");
-    for run in 1..=10 {
-        let (owner, events) = recording_owner("kotlin-probe");
-        let manager = DebugManager::new(Arc::new(LanguageRegistry::from_configs(Vec::new())));
-        let h = Harness { manager, owner, events, log: Arc::default() };
-        h.manager.set_breakpoints(source.clone(), vec![bp(5)]).await.unwrap();
-        let id = h.manager.start_with(config.clone(), h.owner.clone(), |_| Some(adapter.clone())).await.unwrap();
-        let stopped = h.wait_event(|e| matches!(e, DebugEvent::Stopped { reason, .. } if reason == "breakpoint")).await;
-        let DebugEvent::Stopped { thread_id, .. } = stopped else { unreachable!() };
-        let frames = h.manager.stack_trace(id, thread_id).await.unwrap();
-        assert_eq!(frames[0].line, 5);
-        assert_eq!(frames[0].path.as_deref(), Some(source.as_path()));
-        let scopes = h.manager.scopes(id, frames[0].id).await.unwrap();
-        let mut variables = Vec::new();
-        for scope in scopes {
-            variables.extend(h.manager.variables(id, scope.variables_reference).await.unwrap());
-        }
-        assert!(variables.iter().any(|v| v.name == "i" && v.value == "0"));
-        h.manager.step(id, thread_id, StepKind::Over).await.unwrap();
-        h.wait_event(|e| matches!(e, DebugEvent::Stopped { reason, .. } if reason == "step")).await;
-        let frames = h.manager.stack_trace(id, thread_id).await.unwrap();
-        assert_eq!(frames[0].line, 4);
-        h.manager.stop(id).await.unwrap();
-        println!("Run {run}/10: breakpoint Main.kt:6, i=0, step Main.kt:5; stopped");
-    }
-}
-
-#[tokio::test]
-async fn java_windows_source_paths_for_launch_and_attach() {
-    for request in ["launch", "attach"] {
-        for (client, native, returned) in [
-            ("C:/work/Main.java", r"C:\work\Main.java", r"C:\work\Main.java"),
-            ("C:/work/Main.java", r"C:\work\Main.java", "C:/work/Main.java"),
-            (r"c:\work\Main.java", r"c:\work\Main.java", "c:/work/Main.java"),
-            (r"D:/my project\Main.java", r"D:\my project\Main.java", r"D:\my project\Main.java"),
-            ("//server/share/Main.java", r"\\server\share\Main.java", "//server/share/Main.java"),
-            (r"\\server\share/Main.java", r"\\server\share\Main.java", "//server/share/Main.java"),
-            ("/work/Main.java", "/work/Main.java", "/work/Main.java"),
-        ] {
-            let h = harness(Script { source_path: Some(returned.into()), ..Script::default() });
-            let path = PathBuf::from(client);
-            h.manager.set_breakpoints(path.clone(), vec![bp(4)]).await.unwrap();
-            let mut cfg = config();
-            cfg.adapter = "java-debug".into();
-            cfg.request = request.into();
-            let id = h.start(cfg).await.unwrap();
-            assert_eq!(h.request("initialize")["arguments"]["pathFormat"], "path");
-            assert_eq!(h.request("setBreakpoints")["arguments"]["source"]["path"], native);
-            let commands = h.commands();
-            assert!(
-                commands.iter().position(|c| c == "setBreakpoints").unwrap()
-                    < commands.iter().position(|c| c == "configurationDone").unwrap()
-            );
-            let frames = h.manager.stack_trace(id, 1).await.unwrap();
-            assert_eq!(frames[0].path.as_deref(), Some(path.as_path()));
-            h.wait_event(|e| {
-                matches!(e, DebugEvent::BreakpointsChanged { path: p } if p.as_ref() == path.as_path())
-                    && h.manager.breakpoint_states(&path)[0].message.as_deref() == Some("moved")
-            })
-            .await;
-            assert_eq!(h.manager.breakpoint_states(&path)[0].message.as_deref(), Some("moved"));
-            h.manager.stop(id).await.unwrap();
-        }
-    }
-}
-
-#[tokio::test]
-async fn java_stack_frames_without_breakpoints_normalize_windows_paths() {
-    for (returned, expected) in [
-        (r"C:\work\Other.java", "C:/work/Other.java"),
-        (r"\\server\share\Other.java", "//server/share/Other.java"),
-        ("C:/work/Other.java", "C:/work/Other.java"),
-        ("/work/Other.java", "/work/Other.java"),
-    ] {
-        let h = harness(Script { source_path: Some(returned.into()), ..Script::default() });
-        let mut cfg = config();
-        cfg.adapter = "java-debug".into();
-        let id = h.start(cfg).await.unwrap();
-        let frames = h.manager.stack_trace(id, 1).await.unwrap();
-        assert_eq!(frames[0].path.as_deref(), Some(PathBuf::from(expected).as_path()));
-        h.manager.stop(id).await.unwrap();
-    }
-}
@@ -16,9 +16,6 @@ tracing.workspace = true
 parking_lot.workspace = true
 futures.workspace = true
 sqlx.workspace = true
-tiberius.workspace = true
-bb8.workspace = true
-tokio-util = { workspace = true, features = ["compat"] }
 dirs.workspace = true
 ide-ssh.workspace = true

@@ -5,9 +5,6 @@
 //! whatever its type.

 use crate::source::{DataSource, DbDriver, DbSslMode};
-use bb8::ManageConnection;
-use bb8::Pool as Bb8Pool;
-use futures::StreamExt;
 use ide_core::{CancellationToken, IdeError, IdeResult, error::ErrorKind};
 use serde::{Deserialize, Serialize};
 use specta::Type;
@@ -47,65 +44,10 @@ pub struct QueryResult {
    pub execution_ms: f64,
 }

-// Keep an empty slot when a connection is discarded after cancellation or rollback failure.
-pub struct MssqlConnectionManager(tiberius::Config);
-
-type MssqlClient = tiberius::Client<tokio_util::compat::Compat<tokio::net::TcpStream>>;
-
-pub struct MssqlConnection(Option<MssqlClient>);
-
-impl std::ops::Deref for MssqlConnection {
-    type Target = MssqlClient;
-    fn deref(&self) -> &Self::Target {
-        self.0.as_ref().expect("live SQL Server connection")
-    }
-}
-
-impl std::ops::DerefMut for MssqlConnection {
-    fn deref_mut(&mut self) -> &mut Self::Target {
-        self.0.as_mut().expect("live SQL Server connection")
-    }
-}
-
-impl ManageConnection for MssqlConnectionManager {
-    type Connection = MssqlConnection;
-    type Error = tiberius::error::Error;
-
-    async fn connect(&self) -> Result<Self::Connection, Self::Error> {
-        use tokio_util::compat::TokioAsyncWriteCompatExt;
-
-        let tcp = tokio::net::TcpStream::connect(self.0.get_addr()).await?;
-        tcp.set_nodelay(true)?;
-        let client = match MssqlClient::connect(self.0.clone(), tcp.compat_write()).await {
-            // Preserve the single redirect supported by the previous pool adapter.
-            Err(tiberius::error::Error::Routing { host, port }) => {
-                let mut config = self.0.clone();
-                config.host(host);
-                config.port(port);
-                let tcp = tokio::net::TcpStream::connect(config.get_addr()).await?;
-                tcp.set_nodelay(true)?;
-                MssqlClient::connect(config, tcp.compat_write()).await?
-            }
-            result => result?,
-        };
-        Ok(MssqlConnection(Some(client)))
-    }
-
-    async fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
-        conn.simple_query("SELECT 1").await?.into_results().await?;
-        Ok(())
-    }
-
-    fn has_broken(&self, conn: &mut Self::Connection) -> bool {
-        conn.0.is_none()
-    }
-}
-
 pub enum Pool {
    Sqlite(SqlitePool),
    Postgres(PgPool),
    Mysql(MySqlPool),
-    SqlServer(Bb8Pool<MssqlConnectionManager>),
 }

 /// Runs `$body` with `$p` bound to the concrete pool of each driver.
@@ -115,7 +57,6 @@ macro_rules! with_pool {
            Pool::Sqlite($p) => $body,
            Pool::Postgres($p) => $body,
            Pool::Mysql($p) => $body,
-            Pool::SqlServer(_) => unreachable!(),
        }
    };
 }
@@ -138,129 +79,6 @@ pub(crate) fn db_err(e: sqlx::Error) -> IdeError {
    }
 }

-pub(crate) fn mssql_err(e: tiberius::error::Error) -> IdeError {
-    match &e {
-        tiberius::error::Error::Server(d) => {
-            let code = d.code();
-            // Wrong login: SQL Server 18456.
-            let auth = matches!(code, 18452 | 18456 | 18470);
-            IdeError::new(
-                if auth { ErrorKind::PermissionDenied } else { ErrorKind::InvalidInput },
-                format!("[{code}] {}", d.message()),
-            )
-        }
-        tiberius::error::Error::Io { .. } | tiberius::error::Error::Tls(_) => {
-            IdeError::new(ErrorKind::Io, e.to_string())
-        }
-        _ => IdeError::new(ErrorKind::Protocol, e.to_string()),
-    }
-}
-
-fn mssql_pool_err(e: bb8::RunError<tiberius::error::Error>) -> IdeError {
-    match e {
-        bb8::RunError::User(e) => mssql_err(e),
-        bb8::RunError::TimedOut => IdeError::new(ErrorKind::Io, "timed out connecting to the database"),
-    }
-}
-
-const DAYS_1900_01_01: i64 = 693_595;
-
-/// Formats a proleptic Gregorian date given days since `0001-01-01`.
-fn format_date(days: i64) -> String {
-    let z = days + 306;
-    let era = z.div_euclid(146_097);
-    let doe = z.rem_euclid(146_097);
-    let yoe = (doe - doe / 1460 + doe / 36524 - doe / 146_096) / 365;
-    let y = yoe + era * 400;
-    let doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
-    let mp = (5 * doy + 2) / 153;
-    let d = doy - (153 * mp + 2) / 5 + 1;
-    let m = if mp < 10 { mp + 3 } else { mp - 9 };
-    let year = if m <= 2 { y + 1 } else { y };
-    format!("{year:04}-{m:02}-{d:02}")
-}
-
-fn format_hms(secs: u64, frac: u64, scale: u8) -> String {
-    let (h, m, s) = (secs / 3600, (secs / 60) % 60, secs % 60);
-    if scale == 0 || frac == 0 {
-        format!("{h:02}:{m:02}:{s:02}")
-    } else {
-        let frac = format!("{frac:0width$}", width = usize::from(scale));
-        format!("{h:02}:{m:02}:{s:02}.{}", frac.trim_end_matches('0'))
-    }
-}
-
-fn format_time(t: tiberius::time::Time) -> String {
-    let scale = t.scale().min(7);
-    let div = 10u64.pow(u32::from(scale));
-    format_hms(t.increments() / div, t.increments() % div, scale)
-}
-
-fn format_numeric(n: tiberius::numeric::Numeric) -> String {
-    let scale = u32::from(n.scale());
-    if scale == 0 {
-        return n.value().to_string();
-    }
-    let sign = if n.value() < 0 { "-" } else { "" };
-    let abs = n.value().unsigned_abs();
-    let div = 10u128.pow(scale);
-    format!("{sign}{}.{:0width$}", abs / div, abs % div, width = scale as usize)
-}
-
-fn tiberius_cell(cell: &tiberius::ColumnData<'_>, ty: tiberius::ColumnType) -> Option<String> {
-    use tiberius::ColumnData as C;
-    match cell {
-        C::U8(v) => v.map(|v| v.to_string()),
-        C::I16(v) => v.map(|v| v.to_string()),
-        C::I32(v) => v.map(|v| v.to_string()),
-        C::I64(v) => v.map(|v| v.to_string()),
-        C::F32(v) => v.map(|v| v.to_string()),
-        C::F64(v) if matches!(ty, tiberius::ColumnType::Money | tiberius::ColumnType::Money4) => {
-            // Beyond ~9e11, money precision is limited by the driver's f64 decoding.
-            v.map(|v| format!("{:.4}", v))
-        }
-        C::F64(v) => v.map(|v| v.to_string()),
-        C::Bit(v) => v.map(|v| v.to_string()),
-        C::String(v) => v.as_deref().map(str::to_owned),
-        C::Guid(v) => v.map(|v| v.to_string()),
-        C::Binary(v) => v.as_deref().map(hex),
-        C::Numeric(v) => v.map(format_numeric),
-        C::Xml(v) => v.as_deref().map(|x| x.as_ref().to_owned()),
-        C::Date(v) => v.map(|d| format_date(i64::from(d.days()))),
-        C::Time(v) => v.map(format_time),
-        C::DateTime(v) => v.map(|dt| {
-            let ms = (u64::from(dt.seconds_fragments()) * 1000 + 150) / 300;
-            format!("{} {}", format_date(DAYS_1900_01_01 + i64::from(dt.days())), format_hms(ms / 1000, ms % 1000, 3))
-        }),
-        C::SmallDateTime(v) => v.map(|dt| {
-            let secs = u64::from(dt.seconds_fragments()) * 60;
-            format!("{} {}", format_date(DAYS_1900_01_01 + i64::from(dt.days())), format_hms(secs, 0, 0))
-        }),
-        C::DateTime2(v) => {
-            v.map(|dt| format!("{} {}", format_date(i64::from(dt.date().days())), format_time(dt.time())))
-        }
-        C::DateTimeOffset(v) => v.map(|dto| {
-            let dt = dto.datetime2();
-            let t = dt.time();
-            let scale = t.scale().min(7);
-            let div = 10u64.pow(u32::from(scale));
-            let utc_secs = i64::from(dt.date().days()) * 86_400 + (t.increments() / div) as i64;
-            let local_secs = utc_secs + i64::from(dto.offset()) * 60;
-            let days = local_secs.div_euclid(86_400);
-            let secs = local_secs.rem_euclid(86_400) as u64;
-            let sign = if dto.offset() < 0 { '-' } else { '+' };
-            let off = dto.offset().unsigned_abs();
-            format!(
-                "{} {}{sign}{:02}:{:02}",
-                format_date(days),
-                format_hms(secs, t.increments() % div, scale),
-                off / 60,
-                off % 60
-            )
-        }),
-    }
-}
-
 fn hex(bytes: &[u8]) -> String {
    let mut s = String::with_capacity(2 + bytes.len() * 2);
    s.push_str("0x");
@@ -270,46 +88,10 @@ fn hex(bytes: &[u8]) -> String {
    s
 }

-/// How [`cell`] shows a value whose bytes are not text.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub(crate) enum Cells {
-    /// Result grids: binary values as `0x…` hex.
-    Display,
-    /// Catalog queries: names and definitions, so bytes are read as UTF-8 whatever the
-    /// column's type (MySQL flags `utf8mb3_bin` catalog columns BINARY, and sends every
-    /// column as binary under `character_set_results = binary`).
-    Text,
-}
-
-/// Whether a value of type `ty` is binary data (see [`binary_type`]).
-fn is_binary<DB: sqlx::Database>(ty: &DB::TypeInfo) -> bool
-where
-    String: sqlx::Type<DB>,
-{
-    binary_type(ty.name(), <String as sqlx::Type<DB>>::compatible(ty))
-}
-
-/// A BLOB / BINARY type that the driver does not read as text: MySQL flags text in a
-/// binary collation (`utf8mb4_bin`) BINARY too, and only the `binary` collation is bytes.
-fn binary_type(name: &str, text: bool) -> bool {
-    let name = name.to_ascii_uppercase();
-    (name.contains("BLOB") || name.contains("BINARY")) && !text
-}
-
-/// Bytes as text: UTF-8, else hex (grids) or with invalid sequences replaced (catalog names).
-fn bytes_text(bytes: Vec<u8>, mode: Cells) -> String {
-    match (String::from_utf8(bytes), mode) {
-        (Ok(s), _) => s,
-        (Err(e), Cells::Display) => hex(e.as_bytes()),
-        (Err(e), Cells::Text) => String::from_utf8_lossy(e.as_bytes()).into_owned(),
-    }
-}
-
 /// The text of column `i` of `row`.
-fn cell<R: Row>(row: &R, i: usize, mode: Cells) -> Option<String>
+fn cell<R: Row>(row: &R, i: usize) -> Option<String>
 where
    usize: ColumnIndex<R>,
-    String: sqlx::Type<R::Database>,
    for<'r> String: Decode<'r, R::Database>,
    for<'r> Vec<u8>: Decode<'r, R::Database>,
 {
@@ -317,14 +99,18 @@ where
    if raw.is_null() {
        return None;
    }
-    if mode == Cells::Display && is_binary::<R::Database>(&raw.type_info()) {
+    let ty = raw.type_info().name().to_ascii_uppercase();
+    if ty.contains("BLOB") || ty.contains("BINARY") {
+        let raw = row.try_get_raw(i).ok()?;
        return <Vec<u8> as Decode<R::Database>>::decode(raw).ok().map(|b| hex(&b));
    }
    match <String as Decode<R::Database>>::decode(raw) {
        Ok(s) => Some(s),
        Err(_) => {
            let raw = row.try_get_raw(i).ok()?;
-            <Vec<u8> as Decode<R::Database>>::decode(raw).ok().map(|b| bytes_text(b, mode))
+            <Vec<u8> as Decode<R::Database>>::decode(raw)
+                .ok()
+                .map(|b| String::from_utf8(b).unwrap_or_else(|e| hex(e.as_bytes())))
        }
    }
 }
@@ -336,10 +122,9 @@ fn result_columns<R: Row>(row: &R) -> Vec<ResultColumn> {
        .collect()
 }

-/// Streams the results of `$sql` on executor `$exec`, keeping at most `$max` rows
-/// with their cells read as `$mode`.
+/// Streams the results of `$sql` on executor `$exec`, keeping at most `$max` rows.
 macro_rules! fetch {
-    ($exec:expr, $sql:expr, $max:expr, $mode:expr) => {{
+    ($exec:expr, $sql:expr, $max:expr) => {{
        use futures::StreamExt;
        let mut stream = sqlx::raw_sql(sqlx::AssertSqlSafe($sql.to_owned())).fetch_many($exec);
        let mut columns: Vec<ResultColumn> = Vec::new();
@@ -360,7 +145,7 @@ macro_rules! fetch {
                        has_more = true;
                        break;
                    }
-                    rows.push((0..row.len()).map(|i| cell(&row, i, $mode)).collect());
+                    rows.push((0..row.len()).map(|i| cell(&row, i)).collect());
                }
                Err(e) => {
                    failure = Some(db_err(e));
@@ -379,41 +164,10 @@ 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>);

-async fn mssql_command(conn: &mut MssqlClient, sql: &str) -> IdeResult<()> {
-    // Transaction control must be a batch: sp_executesql rejects a changed transaction count.
-    conn.simple_query(sql).await.map_err(mssql_err)?.into_results().await.map_err(mssql_err)?;
-    Ok(())
-}
-
-async fn mssql_fetch(conn: &mut MssqlClient, sql: &str, max: usize) -> IdeResult<Fetched> {
-    let mut stream = conn.simple_query(sql).await.map_err(mssql_err)?;
-    let first = Some(Instant::now());
-    let columns = stream
-        .columns()
-        .await
-        .map_err(mssql_err)?
-        .unwrap_or_default()
-        .iter()
-        .map(|col| ResultColumn { name: col.name().to_owned(), type_name: format!("{:?}", col.column_type()) })
-        .collect();
-    let mut rows = Vec::new();
-    let mut has_more = false;
-    while let Some(item) = stream.next().await {
-        if let tiberius::QueryItem::Row(row) = item.map_err(mssql_err)? {
-            if rows.len() >= max {
-                has_more = true;
-                break;
-            }
-            rows.push(row.cells().map(|(col, cell)| tiberius_cell(cell, col.column_type())).collect());
-        }
-    }
-    Ok((columns, rows, None, has_more, first))
-}
-
 /// The server-side id of a connection (to cancel its statement from another one).
 macro_rules! backend_id {
    ($conn:expr, $sql:expr) => {{
-        let fetched: IdeResult<Fetched> = fetch!($conn, $sql, 1, Cells::Text);
+        let fetched: IdeResult<Fetched> = fetch!($conn, $sql, 1);
        fetched
            .ok()
            .and_then(|f| f.1.into_iter().next())
@@ -526,7 +280,6 @@ impl Pool {
            Pool::Sqlite(_) => DbDriver::Sqlite,
            Pool::Postgres(_) => DbDriver::Postgres,
            Pool::Mysql(_) => DbDriver::Mysql,
-            Pool::SqlServer(_) => DbDriver::SqlServer,
        }
    }

@@ -667,60 +420,20 @@ impl Pool {
                    .map_err(db_err)?;
                Ok(Pool::Mysql(pool))
            }
-            DbDriver::SqlServer => {
-                use tiberius::Config;
-                let mut config = Config::new();
-                config.host(&source.host);
-                config.port(source.port.unwrap_or(1433));
-                if !source.user.is_empty() {
-                    config.authentication(tiberius::AuthMethod::sql_server(
-                        source.user.clone(),
-                        password.unwrap_or_default().to_owned(),
-                    ));
-                }
-                if !source.database.is_empty() {
-                    config.database(&source.database);
-                }
-                if matches!(source.ssl, DbSslMode::Disable | DbSslMode::Prefer) {
-                    config.trust_cert();
-                }
-                let manager = MssqlConnectionManager(config);
-                let pool = bb8::Pool::builder()
-                    .max_size(MAX)
-                    .connection_timeout(timeout)
-                    .build(manager)
-                    .await
-                    .map_err(mssql_err)?;
-                let mut conn = pool.get_owned().await.map_err(mssql_pool_err)?;
-                conn.query("SELECT 1", &[]).await.map_err(mssql_err)?.into_results().await.map_err(mssql_err)?;
-                Ok(Pool::SqlServer(pool))
-            }
        }
    }

    pub async fn close(&self) {
-        match self {
-            Pool::SqlServer(_) => {}
-            _ => with_pool!(self, p => p.close().await),
-        }
+        with_pool!(self, p => p.close().await)
    }

    pub fn is_closed(&self) -> bool {
-        match self {
-            Pool::SqlServer(_) => false,
-            _ => with_pool!(self, p => p.is_closed()),
-        }
+        with_pool!(self, p => p.is_closed())
    }

-    /// Runs `sql` (no row limit beyond `max`), for introspection: cells are text (see [`Cells::Text`]).
+    /// Runs `sql` (no row limit beyond `max`), for introspection.
    pub async fn rows(&self, sql: &str, max: usize) -> IdeResult<Vec<Vec<Option<String>>>> {
-        let fetched: IdeResult<Fetched> = match self {
-            Pool::SqlServer(p) => {
-                let mut conn = p.get_owned().await.map_err(mssql_pool_err)?;
-                mssql_fetch(&mut conn, sql, max).await
-            }
-            _ => with_pool!(self, p => fetch!(p, sql, max, Cells::Text)),
-        };
+        let fetched: IdeResult<Fetched> = with_pool!(self, p => fetch!(p, sql, max));
        Ok(fetched?.1)
    }

@@ -739,47 +452,21 @@ impl Pool {
    /// Runs `statements` in one transaction; each must change `expect_one`
    /// row when flagged (table editor submits).
    pub async fn transaction(&self, statements: &[(String, bool)]) -> IdeResult<u64> {
-        match self {
-            Pool::SqlServer(p) => {
-                let mut conn = p.get_owned().await.map_err(mssql_pool_err)?;
-                let result = async {
-                    mssql_command(&mut conn, "BEGIN TRAN").await?;
-                    let mut total = 0;
-                    for (sql, expect_one) in statements {
-                        let n = conn.execute(sql, &[]).await.map_err(mssql_err)?.total();
-                        if *expect_one && n != 1 {
-                            return Err(IdeError::invalid(format!(
-                                "{sql}: expected to change 1 row, changed {n}; nothing was saved"
-                            )));
-                        }
-                        total += n;
-                    }
-                    mssql_command(&mut conn, "COMMIT TRAN").await?;
-                    Ok(total)
+        with_pool!(self, p => {
+            let mut tx = p.begin().await.map_err(db_err)?;
+            let mut total = 0;
+            for (sql, expect_one) in statements {
+                let done = sqlx::raw_sql(sqlx::AssertSqlSafe(sql.clone())).execute(&mut *tx).await.map_err(db_err)?;
+                let n = done.rows_affected();
+                // MySQL reports 0 for an UPDATE that leaves the row unchanged.
+                if *expect_one && (n > 1 || (n == 0 && !matches!(self, Pool::Mysql(_)))) {
+                    return Err(IdeError::invalid(format!("{sql}: expected to change 1 row, changed {n}; nothing was saved")));
                }
-                .await;
-                if result.is_err() && mssql_command(&mut conn, "IF @@TRANCOUNT > 0 ROLLBACK TRAN").await.is_err() {
-                    // A failed rollback must never return an open transaction to the pool.
-                    conn.0.take();
-                }
-                result
+                total += n;
            }
-            _ => with_pool!(self, p => {
-                let mut tx = p.begin().await.map_err(db_err)?;
-                let mut total = 0;
-                for (sql, expect_one) in statements {
-                    let done = sqlx::raw_sql(sqlx::AssertSqlSafe(sql.clone())).execute(&mut *tx).await.map_err(db_err)?;
-                    let n = done.rows_affected();
-                    // MySQL reports 0 for an UPDATE that leaves the row unchanged.
-                    if *expect_one && (n > 1 || (n == 0 && !matches!(self, Pool::Mysql(_)))) {
-                        return Err(IdeError::invalid(format!("{sql}: expected to change 1 row, changed {n}; nothing was saved")));
-                    }
-                    total += n;
-                }
-                tx.commit().await.map_err(db_err)?;
-                Ok(total)
-            }),
-        }
+            tx.commit().await.map_err(db_err)?;
+            Ok(total)
+        })
    }
 }

@@ -789,7 +476,6 @@ pub enum Held {
    Sqlite(PoolConnection<Sqlite>),
    Postgres(PoolConnection<Postgres>),
    Mysql(PoolConnection<MySql>),
-    SqlServer(Box<bb8::PooledConnection<'static, MssqlConnectionManager>>),
 }

 impl Held {
@@ -798,25 +484,18 @@ impl Held {
            Pool::Sqlite(p) => Held::Sqlite(p.acquire().await.map_err(db_err)?),
            Pool::Postgres(p) => Held::Postgres(p.acquire().await.map_err(db_err)?),
            Pool::Mysql(p) => Held::Mysql(p.acquire().await.map_err(db_err)?),
-            Pool::SqlServer(p) => Held::SqlServer(Box::new(p.get_owned().await.map_err(mssql_pool_err)?)),
        })
    }

    /// Runs a statement without results (`BEGIN`, `COMMIT`, `ROLLBACK`).
    pub async fn command(&mut self, sql: &str) -> IdeResult<()> {
+        let sql = sqlx::AssertSqlSafe(sql.to_owned());
        match self {
-            Held::SqlServer(c) => mssql_command(c, sql).await,
-            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(_) => unreachable!(),
-                }
-                .map_err(db_err)
-            }
+            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),
        }
+        .map_err(db_err)
    }

    /// Closes the connection instead of returning it to the pool (its statement was
@@ -830,9 +509,6 @@ impl Held {
            Held::Mysql(c) => {
                let _ = c.detach().close().await;
            }
-            Held::SqlServer(mut c) => {
-                c.0.take();
-            }
        }
    }

@@ -854,7 +530,7 @@ impl Held {
                    None => None,
                };
                let r = tokio::select! {
-                    r = async { fetch!(&mut **$conn, sql, max_rows, Cells::Display) } => r,
+                    r = async { fetch!(&mut **$conn, sql, max_rows) } => r,
                    () = cancel.cancelled() => Err(IdeError::cancelled()),
                };
                if cancel.is_cancelled() {
@@ -880,13 +556,6 @@ impl Held {
                run!(c, Some("SELECT pg_backend_pid()"), |b: String| format!("SELECT pg_cancel_backend({b})"))
            }
            Held::Mysql(c) => run!(c, Some("SELECT CONNECTION_ID()"), |b: String| format!("KILL QUERY {b}")),
-            Held::SqlServer(c) => {
-                // Tiberius has no attention/cancel API; stop reading and discard the connection.
-                tokio::select! {
-                    r = mssql_fetch(c, sql, max_rows) => r?,
-                    () = cancel.cancelled() => return Err(IdeError::cancelled()),
-                }
-            }
        };
        let (columns, rows, affected, has_more, first) = fetched;
        let elapsed_ms = started.elapsed().as_secs_f64() * 1000.0;
@@ -906,7 +575,6 @@ impl Held {
 pub fn begin_statement(driver: DbDriver) -> &'static str {
    match driver {
        DbDriver::Mysql => "START TRANSACTION",
-        DbDriver::SqlServer => "BEGIN TRAN",
        DbDriver::Sqlite | DbDriver::Postgres => "BEGIN",
    }
 }
@@ -923,95 +591,6 @@ mod tests {
    use super::*;
    use crate::source::{DbOptions, DbProperty};

-    #[test]
-    fn discarded_sqlserver_connections_are_broken() {
-        let manager = MssqlConnectionManager(tiberius::Config::new());
-        assert!(manager.has_broken(&mut MssqlConnection(None)));
-    }
-
-    #[tokio::test]
-    async fn sqlserver_connect_reports_io_errors() {
-        let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
-        let mut config = tiberius::Config::new();
-        config.host("127.0.0.1");
-        config.port(listener.local_addr().unwrap().port());
-        drop(listener);
-        let result = MssqlConnectionManager(config).connect().await;
-        assert!(matches!(result, Err(tiberius::error::Error::Io { .. })));
-    }
-
-    #[test]
-    fn sqlserver_cells_preserve_values_and_nulls() {
-        use std::borrow::Cow;
-        use tiberius::time::{Date, DateTime, DateTime2, DateTimeOffset, SmallDateTime, Time};
-        use tiberius::{ColumnData as C, ColumnType as T, Uuid, numeric::Numeric};
-        let dt = DateTime2::new(Date::new(693_595), Time::new(1234567, 7));
-        let cases = [
-            (C::U8(Some(255)), "255"),
-            (C::I16(Some(-123)), "-123"),
-            (C::I32(Some(-456)), "-456"),
-            (C::I64(Some(i64::MAX)), "9223372036854775807"),
-            (C::F32(Some(1.25)), "1.25"),
-            (C::F64(Some(1.25)), "1.25"),
-            (C::Bit(Some(true)), "true"),
-            (C::String(Some(Cow::Borrowed("hello"))), "hello"),
-            (C::Binary(Some(Cow::Borrowed(&[0, 0xAB, 0xFF]))), "0x00ABFF"),
-            (
-                C::Guid(Some(Uuid::parse_str("ABCDEF01-2345-6789-ABCD-EF0123456789").unwrap())),
-                "abcdef01-2345-6789-abcd-ef0123456789",
-            ),
-            (C::Numeric(Some(Numeric::new_with_scale(-123, 5))), "-0.00123"),
-            (C::Numeric(Some(Numeric::new_with_scale(12300, 4))), "1.2300"),
-            (
-                C::Numeric(Some(Numeric::new_with_scale(10i128.pow(38) - 1, 0))),
-                "99999999999999999999999999999999999999",
-            ),
-            (C::Xml(Some(Cow::Owned(tiberius::xml::XmlData::new("<a/>")))), "<a/>"),
-            (C::Date(Some(Date::new(0))), "0001-01-01"),
-            (C::Date(Some(Date::new(3_652_058))), "9999-12-31"),
-            (C::Time(Some(Time::new(452961234567, 7))), "12:34:56.1234567"),
-            (C::DateTime(Some(DateTime::new(-1, 1))), "1899-12-31 00:00:00.003"),
-            (C::DateTime(Some(DateTime::new(0, 2))), "1900-01-01 00:00:00.007"),
-            (C::SmallDateTime(Some(SmallDateTime::new(0, 754))), "1900-01-01 12:34:00"),
-            (C::DateTime2(Some(dt)), "1900-01-01 00:00:00.1234567"),
-            (C::DateTimeOffset(Some(DateTimeOffset::new(dt, -60))), "1899-12-31 23:00:00.1234567-01:00"),
-            (C::DateTimeOffset(Some(DateTimeOffset::new(dt, 330))), "1900-01-01 05:30:00.1234567+05:30"),
-        ];
-        for (cell, expected) in cases {
-            assert_eq!(tiberius_cell(&cell, T::Null).as_deref(), Some(expected), "{cell:?}");
-        }
-        for cell in [
-            C::U8(None),
-            C::I16(None),
-            C::I32(None),
-            C::I64(None),
-            C::F32(None),
-            C::F64(None),
-            C::Bit(None),
-            C::String(None),
-            C::Guid(None),
-            C::Binary(None),
-            C::Numeric(None),
-            C::Xml(None),
-            C::Date(None),
-            C::Time(None),
-            C::DateTime(None),
-            C::SmallDateTime(None),
-            C::DateTime2(None),
-            C::DateTimeOffset(None),
-        ] {
-            assert_eq!(tiberius_cell(&cell, T::Null), None);
-        }
-        for ty in [T::Money, T::Money4] {
-            for (v, expected) in
-                [(0.0, "0.0000"), (1.2, "1.2000"), (-123.4567, "-123.4567"), (214748.3647, "214748.3647")]
-            {
-                assert_eq!(tiberius_cell(&C::F64(Some(v)), ty).as_deref(), Some(expected));
-            }
-            assert_eq!(tiberius_cell(&C::F64(None), ty), None);
-        }
-    }
-
    fn prop(name: &str, value: &str) -> DbProperty {
        DbProperty { name: name.into(), value: value.into() }
    }
@@ -1070,35 +649,4 @@ mod tests {
        let s = DataSource { properties: vec![prop("cache_size", "-2000")], ..Default::default() };
        assert_eq!(Setup::of(&s).unwrap().params, [("cache_size".to_owned(), "-2000".to_owned())]);
    }
-
-    #[test]
-    fn only_bytes_typed_values_are_binary() {
-        // (type name as the driver reports it, the driver reads it as text, binary)
-        let cases = [
-            ("VARBINARY", false, true),
-            ("BLOB", false, true),
-            ("LONGBLOB", false, true),
-            ("BINARY", false, true),
-            // MySQL catalog columns (`utf8mb3_bin`) and `utf8mb4_bin` text: flagged BINARY.
-            ("VARBINARY", true, false),
-            ("BLOB", true, false),
-            ("VARCHAR", true, false),
-            ("TEXT", true, false),
-            ("BYTEA", false, false),
-            ("INT", false, false),
-        ];
-        for (name, text, binary) in cases {
-            assert_eq!(binary_type(name, text), binary, "{name} text={text}");
-        }
-    }
-
-    #[test]
-    fn catalog_bytes_are_names_and_grid_bytes_are_hex() {
-        // `oi_数据` as MySQL sends it under `character_set_results = binary`.
-        let name = "oi_数据".as_bytes().to_vec();
-        assert_eq!(bytes_text(name.clone(), Cells::Text), "oi_数据");
-        assert_eq!(bytes_text(name, Cells::Display), "oi_数据");
-        assert_eq!(bytes_text(vec![0xCA, 0xFE], Cells::Display), "0xCAFE");
-        assert_eq!(bytes_text(vec![b'a', 0xFF], Cells::Text), "a\u{FFFD}");
-    }
 }
@@ -549,7 +549,6 @@ impl DbManager {
            DbDriver::Sqlite => "SELECT 'SQLite ' || sqlite_version()",
            DbDriver::Postgres => "SELECT version()",
            DbDriver::Mysql => "SELECT CONCAT(@@version_comment, ' ', VERSION())",
-            DbDriver::SqlServer => "SELECT @@VERSION",
        };
        let v = pool.rows(version, 1).await.ok().and_then(|r| r.into_iter().next()?.into_iter().next()?);
        pool.close().await;
@@ -822,13 +821,6 @@ impl DbManager {
                let ddl = cells(pool.rows(&q, 1).await?, 1).into_iter().next();
                ddl.map(|d| format!("{d};\n")).ok_or_else(missing)
            }
-            DbDriver::SqlServer => {
-                let obj = format!("{}.{}", schema, name).replace('\'', "''");
-                let ddl = cells(pool.rows(&format!("SELECT OBJECT_DEFINITION(OBJECT_ID('{}'))", obj), 1).await?, 0)
-                    .into_iter()
-                    .next();
-                ddl.map(|d| format!("{d};\n")).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() {
@@ -36,7 +36,6 @@ pub fn explain_statement(driver: DbDriver, statement: &str) -> String {
        DbDriver::Sqlite => format!("EXPLAIN QUERY PLAN {s}"),
        DbDriver::Postgres => format!("EXPLAIN (FORMAT JSON) {s}"),
        DbDriver::Mysql => format!("EXPLAIN {s}"),
-        DbDriver::SqlServer => format!("SET SHOWPLAN_TEXT ON; {s}"),
    }
 }

@@ -60,7 +59,6 @@ pub fn parse(driver: DbDriver, result: &QueryResult) -> IdeResult<Vec<PlanNode>>
            let names: Vec<&str> = result.columns.iter().map(|c| c.name.as_str()).collect();
            Ok(mysql(&names, &result.rows))
        }
-        DbDriver::SqlServer => Ok(Vec::new()),
    }
 }

@@ -199,7 +197,6 @@ mod tests {
        assert_eq!(explain_statement(DbDriver::Sqlite, "select 1;"), "EXPLAIN QUERY PLAN select 1");
        assert_eq!(explain_statement(DbDriver::Postgres, " select 1 "), "EXPLAIN (FORMAT JSON) select 1");
        assert_eq!(explain_statement(DbDriver::Mysql, "select 1"), "EXPLAIN select 1");
-        assert_eq!(explain_statement(DbDriver::SqlServer, "select 1"), "SET SHOWPLAN_TEXT ON; select 1");
    }

    #[test]
@@ -16,8 +16,6 @@ pub enum DbDriver {
    Postgres,
    /// MySQL and MariaDB.
    Mysql,
-    /// Microsoft SQL Server.
-    SqlServer,
 }

 impl DbDriver {
@@ -26,7 +24,6 @@ impl DbDriver {
            DbDriver::Sqlite => None,
            DbDriver::Postgres => Some(5432),
            DbDriver::Mysql => Some(3306),
-            DbDriver::SqlServer => Some(1433),
        }
    }
 }
@@ -251,7 +248,6 @@ pub fn scheme_driver(scheme: &str) -> Option<DbDriver> {
        "postgres" | "postgresql" | "pgsql" | "redshift" | "cockroachdb" | "cockroach" | "yugabytedb"
        | "timescaledb" | "greenplum" => Some(DbDriver::Postgres),
        "mysql" | "mariadb" | "tidb" | "singlestore" | "memsql" | "oceanbase" => Some(DbDriver::Mysql),
-        "sqlserver" | "mssql" | "mssqlserver" => Some(DbDriver::SqlServer),
        "sqlite" | "sqlite3" => Some(DbDriver::Sqlite),
        _ => None,
    }
@@ -476,14 +472,6 @@ mod tests {
        assert_eq!(load(tmp.path()).unwrap(), vec![s]);
    }

-    #[test]
-    fn sqlserver_defaults() {
-        assert_eq!(DbDriver::SqlServer.default_port(), Some(1433));
-        assert_eq!(scheme_driver("sqlserver"), Some(DbDriver::SqlServer));
-        assert_eq!(scheme_driver("mssql"), Some(DbDriver::SqlServer));
-        assert_eq!(scheme_driver("mssqlserver"), Some(DbDriver::SqlServer));
-    }
-
    #[test]
    fn parses_urls() {
        let u = parse_url("jdbc:postgresql://ann:s%[email protected]:5433/shop?sslmode=require&search_path=app").unwrap();
@@ -8,7 +8,6 @@ use specta::Type;
 pub fn quote_ident(driver: DbDriver, name: &str) -> String {
    match driver {
        DbDriver::Mysql => format!("`{}`", name.replace('`', "``")),
-        DbDriver::SqlServer => format!("[{}]", name.replace(']', "]]")),
        _ => format!("\"{}\"", name.replace('"', "\"\"")),
    }
 }
@@ -53,7 +52,6 @@ pub fn schemas(driver: DbDriver, system: bool) -> &'static str {
             WHERE schema_name NOT LIKE 'pg\\_toast%' AND schema_name NOT LIKE 'pg\\_temp%' ORDER BY 1"
        }
        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::Postgres => {
            "SELECT schema_name FROM information_schema.schemata \
             WHERE schema_name NOT IN ('pg_catalog', 'information_schema') \
@@ -63,10 +61,6 @@ pub fn schemas(driver: DbDriver, system: bool) -> &'static str {
            "SELECT schema_name FROM information_schema.schemata \
             WHERE schema_name NOT IN ('information_schema', 'mysql', 'performance_schema', 'sys') ORDER BY 1"
        }
-        DbDriver::SqlServer => {
-            "SELECT schema_name FROM information_schema.schemata \
-             WHERE schema_name NOT IN ('sys', 'information_schema', 'guest') ORDER BY 1"
-        }
    }
 }

@@ -89,11 +83,6 @@ pub fn tables(driver: DbDriver, schema: &str) -> String {
             FROM information_schema.tables WHERE table_schema = {} ORDER BY 1",
            quote_literal(driver, schema)
        ),
-        DbDriver::SqlServer => format!(
-            "SELECT table_name, CASE WHEN table_type LIKE '%VIEW%' THEN 'view' ELSE 'table' END \
-             FROM information_schema.tables WHERE table_schema = {} ORDER BY 1",
-            quote_literal(driver, schema)
-        ),
    }
 }

@@ -121,16 +110,6 @@ pub fn columns(driver: DbDriver, schema: &str, table: &str) -> String {
             FROM information_schema.columns WHERE table_schema = {s} AND table_name = {t} \
             ORDER BY ordinal_position"
        ),
-        DbDriver::SqlServer => format!(
-            "SELECT column_name, data_type, is_nullable, column_default, \
-             CASE WHEN EXISTS (SELECT 1 FROM information_schema.table_constraints tc \
-               JOIN information_schema.key_column_usage k ON k.constraint_name = tc.constraint_name \
-               AND k.table_schema = tc.table_schema AND k.table_name = tc.table_name \
-               WHERE tc.constraint_type = 'PRIMARY KEY' AND tc.table_schema = {s} \
-               AND tc.table_name = {t} AND k.column_name = c.column_name) THEN 1 ELSE 0 END \
-             FROM information_schema.columns c WHERE c.table_schema = {s} AND c.table_name = {t} \
-             ORDER BY c.ordinal_position"
-        ),
    }
 }

@@ -155,13 +134,6 @@ pub fn indexes(driver: DbDriver, schema: &str, table: &str) -> String {
             FROM information_schema.statistics WHERE table_schema = {s} AND table_name = {t} \
             ORDER BY index_name, seq_in_index"
        ),
-        DbDriver::SqlServer => format!(
-            "SELECT i.name, CASE WHEN i.is_unique = 1 THEN 1 ELSE 0 END, c.name \
-             FROM sys.indexes i JOIN sys.index_columns ic ON ic.object_id = i.object_id AND ic.index_id = i.index_id \
-             JOIN sys.columns c ON c.object_id = ic.object_id AND c.column_id = ic.column_id \
-             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"
-        ),
    }
 }

@@ -199,20 +171,6 @@ pub fn completion_columns(driver: DbDriver) -> &'static str {
             WHERE c.table_schema NOT IN ('information_schema', 'mysql', 'performance_schema', 'sys') \
             ORDER BY c.table_schema, c.table_name, c.ordinal_position LIMIT 50000"
        }
-        DbDriver::SqlServer => {
-            "SELECT c.table_schema, c.table_name, CASE WHEN t.table_type LIKE '%VIEW%' THEN 'view' ELSE 'table' END, \
-             c.column_name, c.data_type, c.is_nullable, \
-             CASE WHEN EXISTS (SELECT 1 FROM information_schema.table_constraints tc \
-               JOIN information_schema.key_column_usage k ON k.constraint_name = tc.constraint_name \
-               AND k.table_schema = tc.table_schema AND k.table_name = tc.table_name \
-               WHERE tc.constraint_type = 'PRIMARY KEY' AND tc.table_schema = c.table_schema \
-               AND tc.table_name = c.table_name AND k.column_name = c.column_name) THEN 1 ELSE 0 END, \
-             CASE WHEN c.column_default IS NOT NULL THEN 1 ELSE 0 END \
-             FROM information_schema.columns c JOIN information_schema.tables t \
-             ON t.table_schema = c.table_schema AND t.table_name = c.table_name \
-             WHERE c.table_schema NOT IN ('sys', 'information_schema') \
-             ORDER BY c.table_schema, c.table_name, c.ordinal_position"
-        }
    }
 }

@@ -244,13 +202,6 @@ pub fn foreign_keys(driver: DbDriver) -> &'static str {
             AND table_schema NOT IN ('information_schema', 'mysql', 'performance_schema', 'sys') \
             ORDER BY table_schema, table_name, constraint_name, ordinal_position LIMIT 20000"
        }
-        DbDriver::SqlServer => {
-            "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 NOT IN ('sys', 'information_schema') \
-             ORDER BY table_schema, table_name, constraint_name, ordinal_position"
-        }
    }
 }

@@ -267,9 +218,6 @@ pub fn table_foreign_keys(driver: DbDriver, schema: &str, table: &str) -> String
        DbDriver::Mysql => 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::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"
-        ),
    }
 }

@@ -279,7 +227,6 @@ pub fn current_schema(driver: DbDriver) -> Option<&'static str> {
        DbDriver::Sqlite => None,
        DbDriver::Postgres => Some("SELECT current_schema()"),
        DbDriver::Mysql => Some("SELECT DATABASE()"),
-        DbDriver::SqlServer => Some("SELECT DB_NAME()"),
    }
 }

@@ -303,14 +250,8 @@ pub fn table_page(
 ) -> String {
    let mut sql = format!("SELECT * FROM {}", qualified(driver, schema, table));
    if let Some(f) = filter.map(str::trim).filter(|f| !f.is_empty()) {
-        let mut f = f.strip_prefix("WHERE ").or_else(|| f.strip_prefix("where ")).unwrap_or(f);
-        if let Some(i) = f.find(';') {
-            f = &f[..i];
-        }
-        f = f.trim();
-        if !f.is_empty() {
-            sql.push_str(&format!(" WHERE {f}"));
-        }
+        let f = f.strip_prefix("WHERE ").or_else(|| f.strip_prefix("where ")).unwrap_or(f);
+        sql.push_str(&format!(" WHERE {f}"));
    }
    if !sort.is_empty() {
        let keys: Vec<String> = sort
@@ -319,14 +260,7 @@ pub fn table_page(
            .collect();
        sql.push_str(&format!(" ORDER BY {}", keys.join(", ")));
    }
-    if driver == DbDriver::SqlServer {
-        if sort.is_empty() {
-            sql.push_str(" ORDER BY (SELECT 1)");
-        }
-        sql.push_str(&format!(" OFFSET {offset} ROWS FETCH NEXT {} ROWS ONLY", limit + 1));
-    } else {
-        sql.push_str(&format!(" LIMIT {} OFFSET {offset}", limit + 1));
-    }
+    sql.push_str(&format!(" LIMIT {} OFFSET {offset}", limit + 1));
    sql
 }

@@ -466,10 +400,6 @@ pub fn triggers(driver: DbDriver, schema: &str, table: &str) -> String {
            "SELECT trigger_name, lower(action_timing), lower(event_manipulation) FROM information_schema.triggers \
             WHERE event_object_schema = {s} AND event_object_table = {t} ORDER BY 1"
        ),
-        DbDriver::SqlServer => format!(
-            "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"
-        ),
    }
 }

@@ -508,10 +438,6 @@ pub fn routines(driver: DbDriver, schema: &str) -> Option<String> {
              AND p.specific_name = r.specific_name AND p.ordinal_position > 0), r.dtd_identifier \
             FROM information_schema.routines r WHERE r.routine_schema = {s} ORDER BY 1"
        )),
-        DbDriver::SqlServer => Some(format!(
-            "SELECT r.routine_name, lower(r.routine_type), '', r.data_type \
-             FROM information_schema.routines r WHERE r.routine_schema = {s} ORDER BY 1"
-        )),
    }
 }

@@ -633,10 +559,6 @@ mod tests {
            "SELECT * FROM \"public\".\"users\" WHERE age > 3 ORDER BY \"id\" DESC LIMIT 51 OFFSET 100"
        );
        assert_eq!(table_page(DbDriver::Mysql, "", "t", Some("  "), &[], 0, 10), "SELECT * FROM `t` LIMIT 11 OFFSET 0");
-        assert_eq!(
-            table_page(DbDriver::SqlServer, "dbo", "users", Some("id = 1;"), &[], 0, 500),
-            "SELECT * FROM [dbo].[users] WHERE id = 1 ORDER BY (SELECT 1) OFFSET 0 ROWS FETCH NEXT 501 ROWS ONLY"
-        );
    }

    #[test]
@@ -664,30 +586,6 @@ mod tests {
        assert!(edit_statement(DbDriver::Postgres, "s", "t", &DbRowEdit::Delete { key: vec![] }).is_err());
    }

-    #[test]
-    fn sqlserver_quoting_and_schema() {
-        assert_eq!(quote_ident(DbDriver::SqlServer, "a]b"), "[a]]b]");
-        assert_eq!(qualified(DbDriver::SqlServer, "dbo", "t"), "[dbo].[t]");
-        assert_eq!(qualified(DbDriver::SqlServer, "", "t"), "[t]");
-        assert_eq!(current_schema(DbDriver::SqlServer), Some("SELECT DB_NAME()"));
-        assert_eq!(crate::conn::begin_statement(DbDriver::SqlServer), "BEGIN TRAN");
-        assert_eq!(
-            schemas(DbDriver::SqlServer, true),
-            "SELECT schema_name FROM information_schema.schemata ORDER BY 1"
-        );
-        assert!(schemas(DbDriver::SqlServer, false).contains("NOT IN ('sys', 'information_schema', 'guest')"));
-    }
-
-    #[test]
-    fn sqlserver_introspection_queries() {
-        assert!(tables(DbDriver::SqlServer, "dbo").contains("information_schema.tables"));
-        assert!(columns(DbDriver::SqlServer, "dbo", "t").contains("information_schema.columns"));
-        assert!(indexes(DbDriver::SqlServer, "dbo", "t").contains("sys.indexes"));
-        assert!(foreign_keys(DbDriver::SqlServer).contains("referenced_table_name IS NOT NULL"));
-        assert!(table_foreign_keys(DbDriver::SqlServer, "dbo", "t").contains("table_schema = 'dbo'"));
-        assert!(completion_columns(DbDriver::SqlServer).contains("information_schema.columns"));
-    }
-
    #[test]
    fn sqlite_trigger_events() {
        let ev = sqlite_trigger_event;
@@ -1,87 +0,0 @@
-//! Introspection against a real MySQL / MariaDB server, skipped unless
-//! `OPENIDEA_TEST_MYSQL=host:port:user:password` names a throwaway server.
-
-use ide_core::{CancellationToken, IdeResult};
-use ide_db::{DataSource, DbDriver, DbManager, DbOptions};
-
-const SCHEMAS: [&str; 2] = ["oi_bin_meta", "oi_数据"];
-
-fn server() -> Option<(String, u16, String, String)> {
-    let v = std::env::var("OPENIDEA_TEST_MYSQL").ok()?;
-    let mut it = v.splitn(4, ':');
-    Some((it.next()?.into(), it.next()?.parse().ok()?, it.next()?.into(), it.next().unwrap_or("").into()))
-}
-
-async fn manager(tmp: &tempfile::TempDir, startup_script: &str) -> Option<DbManager> {
-    let (host, port, user, password) = server()?;
-    let root = tmp.path().to_path_buf();
-    let ssh = std::sync::Arc::new(ide_ssh::SshManager::new(root.join("ssh-passwords.json")));
-    let db = DbManager::new(root.clone(), root.join("passwords.json"), root.join("history.json"), ssh);
-    db.save_sources(vec![DataSource {
-        id: "m".into(),
-        name: "mysql".into(),
-        driver: DbDriver::Mysql,
-        host,
-        port: Some(port),
-        user,
-        options: DbOptions { startup_script: startup_script.into(), ..Default::default() },
-        ..Default::default()
-    }])
-    .await
-    .unwrap();
-    db.set_password("m", Some(password), false).await.unwrap();
-    Some(db)
-}
-
-async fn create_schemas(db: &DbManager) {
-    let c = CancellationToken::new();
-    for s in SCHEMAS {
-        for stmt in [
-            format!("DROP DATABASE IF EXISTS `{s}`"),
-            format!("CREATE DATABASE `{s}` CHARACTER SET utf8mb4 COLLATE utf8mb4_bin"),
-            format!(
-                "CREATE TABLE `{s}`.`用户` (id INT PRIMARY KEY, name VARCHAR(20) COLLATE utf8mb4_bin, raw VARBINARY(4))"
-            ),
-            format!("CREATE INDEX `名字` ON `{s}`.`用户` (name)"),
-            format!("INSERT INTO `{s}`.`用户` VALUES (1, 'ann', 0xCAFE)"),
-        ] {
-            db.execute("m", &stmt, 10, &c).await.unwrap();
-        }
-    }
-}
-
-async fn assert_metadata_is_text(db: &DbManager) -> IdeResult<()> {
-    let schemas = db.schemas("m").await?;
-    for s in SCHEMAS {
-        assert!(schemas.iter().any(|n| n == s), "{s} missing from {schemas:?}");
-        let tables = db.tables("m", s).await?;
-        assert_eq!(tables.iter().map(|t| t.name.as_str()).collect::<Vec<_>>(), ["用户"], "tables of {s}");
-        let d = db.table_details("m", s, "用户").await?;
-        let cols: Vec<_> = d.columns.iter().map(|c| c.name.as_str()).collect();
-        assert_eq!(cols, ["id", "name", "raw"]);
-        assert!(d.indexes.iter().any(|i| i.name == "名字"), "{:?}", d.indexes);
-        assert!(db.ddl("m", s, "用户").await?.contains("CREATE TABLE `用户`"));
-    }
-    let completion = db.completion("m").await?;
-    let json = serde_json::to_string(&completion).unwrap();
-    assert!(json.contains("oi_数据") && json.contains("用户"), "{json}");
-    Ok(())
-}
-
-// One test: both phases share the schemas they create.
-#[tokio::test]
-async fn metadata_names_are_text_whatever_the_column_collation() -> IdeResult<()> {
-    let tmp = tempfile::tempdir().unwrap();
-    let Some(db) = manager(&tmp, "").await else { return Ok(()) };
-    create_schemas(&db).await;
-    // MySQL 8 sends `utf8mb3_bin` catalog names flagged BINARY (lower_case_table_names = 0).
-    assert_metadata_is_text(&db).await?;
-    // `_bin` text is text in the grid; true binary stays hex.
-    let r = db.execute("m", "SELECT name, raw FROM `oi_数据`.`用户`", 10, &CancellationToken::new()).await?;
-    assert_eq!(r.rows, vec![vec![Some("ann".to_owned()), Some("0xCAFE".to_owned())]]);
-
-    // Every text column arrives with the `binary` collation.
-    let tmp = tempfile::tempdir().unwrap();
-    let raw = manager(&tmp, "SET character_set_results = binary").await.unwrap();
-    assert_metadata_is_text(&raw).await
-}
@@ -1,97 +0,0 @@
-//! Live SQL Server checks, skipped unless OPENIDEA_TEST_SQLSERVER=host:port:user:password
-//! names a throwaway server.
-
-use ide_core::CancellationToken;
-use ide_db::{DataSource, DbDriver, DbSslMode, Held, Pool};
-use std::time::Duration;
-
-#[tokio::test]
-async fn sqlserver_values_paging_transactions_and_cancellation() {
-    let Ok(server) = std::env::var("OPENIDEA_TEST_SQLSERVER") else { return };
-    let mut parts = server.splitn(4, ':');
-    let source = DataSource {
-        driver: DbDriver::SqlServer,
-        host: parts.next().unwrap().into(),
-        port: Some(parts.next().unwrap().parse().unwrap()),
-        user: parts.next().unwrap().into(),
-        database: "tempdb".into(),
-        ssl: DbSslMode::Disable,
-        ..Default::default()
-    };
-    let pool = Pool::connect(&source, parts.next(), None).await.unwrap();
-    let cancel = CancellationToken::new();
-    let mut held = Held::acquire(&pool).await.unwrap();
-    let table = format!("tempdb.dbo.oi_pr276_values_{}", std::process::id());
-    held.command(&format!("CREATE TABLE {table} (id int PRIMARY KEY, d decimal(38, 7), dt datetime2(7), guid uniqueidentifier, m money, tiny tinyint, x xml)")).await.unwrap();
-    held.command(&format!("INSERT INTO {table} VALUES (1, 12345678901234567890.1234567, '2024-02-29T12:34:56.1234567', 'abcdef01-2345-6789-abcd-ef0123456789', 12.3400, 255, '<a/>'), (2, NULL, NULL, NULL, NULL, NULL, NULL)")).await.unwrap();
-    let r = held.execute(&pool, &format!("SELECT * FROM {table} ORDER BY id"), 1, &cancel).await.unwrap();
-    assert!(r.has_more);
-    assert_eq!(
-        r.rows[0],
-        [
-            "1",
-            "12345678901234567890.1234567",
-            "2024-02-29 12:34:56.1234567",
-            "abcdef01-2345-6789-abcd-ef0123456789",
-            "12.3400",
-            "255",
-            "<a/>"
-        ]
-        .map(|s| Some(s.to_owned()))
-    );
-    let r = held.execute(&pool, &format!("SELECT * FROM {table} WHERE id = 2"), 5, &cancel).await.unwrap();
-    assert!(!r.has_more);
-    assert!(r.rows[0][1..].iter().all(Option::is_none));
-    let r = held.execute(&pool, &format!("SELECT * FROM {table} WHERE id = 3"), 5, &cancel).await.unwrap();
-    assert_eq!(r.columns.len(), 7);
-    assert!(r.rows.is_empty());
-    let r = held.execute(&pool,
-        "SELECT CAST('2024-02-29T00:15:00.1234567+05:30' AS datetimeoffset(7)), CAST('2024-02-29' AS date), CAST('12:34:56.1234567' AS time(7)), CAST('2024-02-29T12:34:56.007' AS datetime), CAST('2024-02-29T12:34:00' AS smalldatetime), CAST(-12.3400 AS smallmoney)",
-        1, &cancel).await.unwrap();
-    assert_eq!(
-        r.rows[0],
-        [
-            "2024-02-29 00:15:00.1234567+05:30",
-            "2024-02-29",
-            "12:34:56.1234567",
-            "2024-02-29 12:34:56.007",
-            "2024-02-29 12:34:00",
-            "-12.3400"
-        ]
-        .map(|s| Some(s.to_owned()))
-    );
-    held.command(&format!("DROP TABLE {table}")).await.unwrap();
-    drop(held);
-
-    // A unique permanent table lets transaction calls acquire any pooled connection.
-    let table = format!("tempdb.dbo.oi_pr276_{}", std::process::id());
-    pool.execute(&format!("CREATE TABLE {table} (id int PRIMARY KEY, v int)"), 1, &cancel).await.unwrap();
-    pool.transaction(&[(format!("INSERT INTO {table} VALUES (1, 10)"), true)]).await.unwrap();
-    for failing in [format!("INSERT INTO {table} VALUES (1, 20)"), format!("UPDATE {table} SET v = 30 WHERE id = 999")]
-    {
-        assert!(
-            pool.transaction(&[(format!("UPDATE {table} SET v = 99 WHERE id = 1"), true), (failing, true)])
-                .await
-                .is_err()
-        );
-        assert_eq!(pool.rows(&format!("SELECT v FROM {table}"), 1).await.unwrap()[0][0].as_deref(), Some("10"));
-        assert_eq!(pool.rows("SELECT @@TRANCOUNT", 1).await.unwrap()[0][0].as_deref(), Some("0"));
-    }
-    assert_eq!(pool.transaction(&[(format!("UPDATE {table} SET v = 11 WHERE id = 1"), true)]).await.unwrap(), 1);
-    pool.execute(&format!("DROP TABLE {table}"), 1, &cancel).await.unwrap();
-
-    let cancel = CancellationToken::new();
-    let stop = cancel.clone();
-    let task = tokio::spawn(async move {
-        tokio::time::sleep(Duration::from_millis(100)).await;
-        stop.cancel();
-    });
-    assert!(
-        tokio::time::timeout(Duration::from_secs(2), pool.execute("WAITFOR DELAY '00:00:10'; SELECT 1", 1, &cancel))
-            .await
-            .unwrap()
-            .is_err()
-    );
-    task.await.unwrap();
-    assert_eq!(pool.rows("SELECT 1", 1).await.unwrap()[0][0].as_deref(), Some("1"));
-}
@@ -13,5 +13,8 @@ specta.workspace = true
 tracing.workspace = true
 which = "8"

+[target.'cfg(unix)'.dependencies]
+libc = "0.2"
+
 [dev-dependencies]
 tempfile.workspace = true
@@ -1,16 +1,11 @@
 //! Child processes of the docker CLI: bounded runs and cancellable line streams.

-use ide_core::process::terminate_tree;
 use ide_core::{CancellationToken, IdeError, IdeResult};
 use std::io::Read;
 use std::process::{Child, Command, Stdio};
 use std::sync::mpsc;
 use std::time::{Duration, Instant};

-/// How long a cancelled or timed-out child's process group (CLI plugins such as compose)
-/// gets to exit on `SIGTERM`, and clean up, before `SIGKILL`.
-const KILL_GRACE: Duration = Duration::from_millis(20);
-
 pub(crate) struct Output {
    pub stdout: String,
    pub stderr: String,
@@ -25,18 +20,41 @@ pub(crate) enum Stream {

 fn prepare(cmd: &mut Command) {
    cmd.stdin(Stdio::null()).stdout(Stdio::piped()).stderr(Stdio::piped());
-    ide_core::process::prepare(ide_core::process::own_group(cmd));
+    #[cfg(unix)]
+    {
+        use std::os::unix::process::CommandExt;
+        cmd.process_group(0);
+    }
+    ide_core::process::prepare(cmd);
 }

 fn spawn(cmd: &mut Command) -> IdeResult<Child> {
    cmd.spawn().map_err(|e| IdeError::unavailable(format!("could not run docker: {e}")))
 }

+/// Kills the child and, on Unix, its whole process group (CLI plugins such as compose).
+pub(crate) fn kill(child: &mut Child) {
+    #[cfg(unix)]
+    {
+        let pid = child.id() as libc::pid_t;
+        // SAFETY: plain syscall; the child leads its own process group (`prepare`).
+        unsafe {
+            libc::kill(-pid, libc::SIGTERM);
+        }
+        std::thread::sleep(Duration::from_millis(20));
+        unsafe {
+            libc::kill(-pid, libc::SIGKILL);
+        }
+    }
+    let _ = child.kill();
+    let _ = child.wait();
+}
+
 fn read_all(mut pipe: impl Read + Send + 'static) -> std::thread::JoinHandle<String> {
    std::thread::spawn(move || {
        let mut buf = Vec::new();
        let _ = pipe.read_to_end(&mut buf);
-        ide_core::output_encoding::decode_tool_output(&buf)
+        String::from_utf8_lossy(&buf).into_owned()
    })
 }

@@ -70,11 +88,11 @@ pub(crate) fn run_with_input(
            break status;
        }
        if cancel.is_some_and(CancellationToken::is_cancelled) {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::cancelled());
        }
        if Instant::now() >= deadline {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::unavailable("docker did not respond in time"));
        }
        std::thread::sleep(Duration::from_millis(10));
@@ -97,7 +115,7 @@ fn spawn_reader(mut pipe: impl Read + Send + 'static, tx: mpsc::Sender<Event>, s
        let mut pending: Vec<u8> = Vec::new();
        let flush = |pending: &mut Vec<u8>| {
            if !pending.is_empty() {
-                let line = ide_core::output_encoding::decode_tool_output(pending).trim_end().to_string();
+                let line = String::from_utf8_lossy(pending).trim_end().to_string();
                pending.clear();
                let _ = tx.send(Event::Line(stream, line));
            }
@@ -148,7 +166,7 @@ pub(crate) fn stream(
    let mut stderr_tail: Vec<String> = Vec::new();
    while open > 0 {
        if cancel.is_cancelled() {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::cancelled());
        }
        match rx.recv_timeout(Duration::from_millis(50)) {
@@ -171,7 +189,7 @@ pub(crate) fn stream(
            break status;
        }
        if cancel.is_cancelled() {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::cancelled());
        }
        std::thread::sleep(Duration::from_millis(10));
@@ -1,18 +0,0 @@
-[package]
-name = "ide-fonts"
-description = "Font families installed on this machine, for the font pickers: CoreText, DirectWrite or fontconfig"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-
-[dependencies]
-serde.workspace = true
-serde_json.workspace = true
-specta.workspace = true
-
-[target.'cfg(target_os = "macos")'.dependencies]
-objc2-core-foundation = { version = "0.3", default-features = false, features = ["std", "CFArray", "CFDictionary", "CFNumber", "CFString", "CFURL"] }
-objc2-core-text = { version = "0.3", default-features = false, features = ["std", "CTFontCollection", "CTFontDescriptor", "CTFontTraits"] }
-
-[target.'cfg(windows)'.dependencies]
-windows = { version = "0.62", features = ["Win32_Graphics_DirectWrite"] }
@@ -1,541 +0,0 @@
-//! The font families installed on this machine, for the font pickers in
-//! Settings (editor, typography fallback, terminal, UI font).
-//!
-//! Each platform asks the native font system for installed families: CoreText on
-//! macOS, DirectWrite on Windows, fontconfig (`fc-list`) on Linux and the BSDs.
-//! The list is read on first use and cached until explicitly refreshed; the
-//! query can take a few hundred milliseconds, so callers run it off the UI and
-//! command threads.
-
-use serde::{Deserialize, Serialize};
-use specta::Type;
-use std::collections::BTreeMap;
-use std::sync::{Arc, Mutex};
-
-/// One installed family. `monospaced` is the font system's own flag (fixed
-/// pitch; on Linux also fontconfig's dual-width CJK monospace).
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct FontFamily {
-    pub name: String,
-    pub monospaced: bool,
-}
-
-type Cache = Mutex<Option<Arc<[FontFamily]>>>;
-
-/// The installed families, sorted case-insensitively, read on first use and
-/// re-queried when `refresh` is true.
-pub fn families(refresh: bool) -> Arc<[FontFamily]> {
-    static CACHE: Cache = Mutex::new(None);
-    cached(&CACHE, refresh, imp::list)
-}
-
-fn cached(cache: &Cache, refresh: bool, list: impl FnOnce(bool) -> Vec<(String, bool)>) -> Arc<[FontFamily]> {
-    let mut guard = cache.lock().unwrap_or_else(|e| e.into_inner());
-    if !refresh && let Some(families) = guard.as_ref() {
-        return Arc::clone(families);
-    }
-    let families: Arc<[FontFamily]> = normalize(list(refresh)).into();
-    *guard = Some(Arc::clone(&families));
-    families
-}
-
-/// Merges the per-face records a font system reports into one entry per
-/// family: trimmed, without empty or hidden (`.`-prefixed system UI) names,
-/// monospaced when any face is, sorted case-insensitively.
-pub fn normalize(faces: impl IntoIterator<Item = (String, bool)>) -> Vec<FontFamily> {
-    let mut by_key: BTreeMap<(String, String), bool> = BTreeMap::new();
-    for (name, mono) in faces {
-        let name = name.trim();
-        if name.is_empty() || name.starts_with('.') {
-            continue;
-        }
-        *by_key.entry((name.to_lowercase(), name.to_owned())).or_default() |= mono;
-    }
-    let mut out: Vec<FontFamily> = Vec::with_capacity(by_key.len());
-    for ((key, name), monospaced) in by_key {
-        // Same family under two casings (one font file each): keep the first.
-        if let Some(last) = out.last_mut()
-            && last.name.to_lowercase() == key
-        {
-            last.monospaced |= monospaced;
-            continue;
-        }
-        out.push(FontFamily { name, monospaced });
-    }
-    out
-}
-
-/// Parses `fc-list -f '%{family[0]}\t%{spacing}\n'`: one line per face, the
-/// spacing empty (proportional) or fontconfig's number or name for it.
-pub fn parse_fc_list(output: &str) -> Vec<(String, bool)> {
-    output
-        .lines()
-        .filter_map(|line| {
-            let (family, spacing) = line.split_once('\t').unwrap_or((line, ""));
-            let family = family.replace("\\-", "-");
-            let mono = match spacing.trim() {
-                "dual" | "mono" | "charcell" => true,
-                s => s.parse::<u32>().is_ok_and(|n| n >= 90),
-            };
-            (!family.trim().is_empty()).then_some((family, mono))
-        })
-        .collect()
-}
-
-/// Binary font bundle: little-endian u32 JSON-header length, a face metadata
-/// array, then raw font bytes. Paths never cross IPC; only CoreText-enumerated
-/// files under user font directories can be read, selected by family name.
-/// Includes only the nearest regular/bold faces and their optional italics.
-pub fn user_font_data(family: &str) -> std::io::Result<Vec<u8>> {
-    #[cfg(target_os = "macos")]
-    {
-        let entries = imp::user_faces();
-        bundle_family(family, &entries)
-    }
-    #[cfg(not(target_os = "macos"))]
-    {
-        let _ = family;
-        Err(std::io::Error::new(std::io::ErrorKind::Unsupported, "User font loading is macOS only"))
-    }
-}
-
-#[cfg(any(target_os = "macos", test))]
-#[derive(Debug)]
-struct UserFace {
-    family: String,
-    path: std::path::PathBuf,
-    weight: u16,
-    italic: bool,
-}
-
-#[cfg(any(target_os = "macos", test))]
-fn user_font_path(path: &std::path::Path, roots: &[std::path::PathBuf]) -> Option<std::path::PathBuf> {
-    let path = path.canonicalize().ok()?;
-    roots.iter().any(|root| path.starts_with(root)).then_some(path)
-}
-
-#[cfg(any(target_os = "macos", test))]
-fn family_faces<'a>(family: &str, entries: &'a [UserFace]) -> Vec<&'a UserFace> {
-    let mut selected: Vec<&UserFace> = Vec::new();
-    for italic in [false, true] {
-        for weight in [400u16, 700] {
-            let closest = entries
-                .iter()
-                .filter(|e| e.family.eq_ignore_ascii_case(family.trim()) && e.italic == italic)
-                .min_by_key(|e| (e.weight.abs_diff(weight), e.weight, &e.path));
-            if let Some(face) = closest
-                && !selected.iter().any(|f| std::ptr::eq(*f, face))
-            {
-                selected.push(face);
-            }
-        }
-    }
-    selected
-}
-
-#[cfg(any(target_os = "macos", test))]
-fn bundle_family(family: &str, entries: &[UserFace]) -> std::io::Result<Vec<u8>> {
-    #[derive(Serialize)]
-    struct Face {
-        weight: u16,
-        style: &'static str,
-        offset: usize,
-        length: usize,
-    }
-    let mut faces = Vec::new();
-    let mut data = Vec::new();
-    let mut files = BTreeMap::new();
-    // Bound large CJK families to regular/bold and their nearest italic faces.
-    for entry in family_faces(family, entries) {
-        // Reject a file replaced by a symlink after enumeration.
-        if entry.path.canonicalize()? != entry.path {
-            return Err(std::io::Error::new(std::io::ErrorKind::PermissionDenied, "Font file changed"));
-        }
-        let (offset, length) = if let Some(range) = files.get(&entry.path) {
-            *range
-        } else {
-            let bytes = std::fs::read(&entry.path)?;
-            let range = (data.len(), bytes.len());
-            data.extend(bytes);
-            files.insert(entry.path.clone(), range);
-            range
-        };
-        faces.push(Face {
-            weight: entry.weight,
-            style: if entry.italic { "italic" } else { "normal" },
-            offset,
-            length,
-        });
-    }
-    if faces.is_empty() {
-        return Err(std::io::Error::new(std::io::ErrorKind::NotFound, "No installed user font family"));
-    }
-    let header = serde_json::to_vec(&faces)?;
-    let mut out = (header.len() as u32).to_le_bytes().to_vec();
-    out.extend(header);
-    out.extend(data);
-    Ok(out)
-}
-
-#[cfg(target_os = "macos")]
-mod imp {
-    use objc2_core_foundation::{CFArray, CFDictionary, CFNumber, CFString, CFType, CFURL};
-    use objc2_core_text::{
-        CTFontCollection, CTFontDescriptor, CTFontSymbolicTraits, kCTFontFamilyNameAttribute, kCTFontSymbolicTrait,
-        kCTFontTraitsAttribute, kCTFontURLAttribute, kCTFontWeightTrait,
-    };
-
-    pub(crate) fn user_faces() -> Vec<super::UserFace> {
-        let mut roots = vec![std::path::PathBuf::from("/Library/Fonts")];
-        if let Some(home) = std::env::var_os("HOME") {
-            roots.push(std::path::PathBuf::from(home).join("Library/Fonts"));
-        }
-        let roots: Vec<_> = roots.into_iter().filter_map(|r| r.canonicalize().ok()).collect();
-        // SAFETY: CoreText descriptors carry documented CFString, CFURL and trait dictionary values.
-        unsafe {
-            let collection = CTFontCollection::from_available_fonts(None);
-            let Some(descriptors) = collection.matching_font_descriptors() else { return Vec::new() };
-            let mut seen = std::collections::BTreeSet::new();
-            descriptors
-                .cast_unchecked::<CTFontDescriptor>()
-                .iter()
-                .filter_map(|d| {
-                    let family = d.attribute(kCTFontFamilyNameAttribute)?.downcast::<CFString>().ok()?.to_string();
-                    let path = d.attribute(kCTFontURLAttribute)?.downcast::<CFURL>().ok()?.to_file_path()?;
-                    let path = super::user_font_path(&path, &roots)?;
-                    let traits = d.attribute(kCTFontTraitsAttribute)?.downcast::<CFDictionary>().ok()?;
-                    let traits = traits.cast_unchecked::<CFString, CFType>();
-                    let symbolic = traits
-                        .get(kCTFontSymbolicTrait)
-                        .and_then(|n| n.downcast::<CFNumber>().ok())
-                        .and_then(|n| n.as_i64())
-                        .unwrap_or(0) as u32;
-                    let weight = traits
-                        .get(kCTFontWeightTrait)
-                        .and_then(|n| n.downcast::<CFNumber>().ok())
-                        .and_then(|n| n.as_f64())
-                        .unwrap_or(0.0);
-                    // CoreText's normalized weight values corresponding to CSS's nine standard weights.
-                    let weight = [
-                        (-0.8, 100),
-                        (-0.6, 200),
-                        (-0.4, 300),
-                        (0.0, 400),
-                        (0.23, 500),
-                        (0.3, 600),
-                        (0.4, 700),
-                        (0.56, 800),
-                        (0.62, 900),
-                    ]
-                    .into_iter()
-                    .min_by(|(a, _), (b, _)| (weight - a).abs().total_cmp(&(weight - b).abs()))?
-                    .1;
-                    let italic = symbolic & CTFontSymbolicTraits::TraitItalic.0 != 0;
-                    if !seen.insert((family.clone(), path.clone(), weight, italic)) {
-                        return None;
-                    }
-                    Some(super::UserFace { family, path, weight, italic })
-                })
-                .collect()
-        }
-    }
-
-    /// Every face CoreText makes available to this process, as (family, fixed pitch).
-    pub(crate) fn list(_refresh: bool) -> Vec<(String, bool)> {
-        // SAFETY: CoreText's documented types: the matching descriptors array
-        // holds CTFontDescriptors and the traits dictionary maps CFString keys.
-        unsafe {
-            let collection = CTFontCollection::from_available_fonts(None);
-            let Some(descriptors) = collection.matching_font_descriptors() else {
-                return Vec::new();
-            };
-            let descriptors: &CFArray<CTFontDescriptor> = descriptors.cast_unchecked();
-            descriptors
-                .iter()
-                .filter_map(|d| {
-                    let name = d.attribute(kCTFontFamilyNameAttribute)?.downcast::<CFString>().ok()?.to_string();
-                    let traits = d
-                        .attribute(kCTFontTraitsAttribute)
-                        .and_then(|t| t.downcast::<CFDictionary>().ok())
-                        .and_then(|t| t.cast_unchecked::<CFString, CFType>().get(kCTFontSymbolicTrait))
-                        .and_then(|n| n.downcast::<CFNumber>().ok())
-                        .and_then(|n| n.as_i64())
-                        .unwrap_or(0);
-                    Some((name, traits as u32 & CTFontSymbolicTraits::TraitMonoSpace.0 != 0))
-                })
-                .collect()
-        }
-    }
-}
-
-#[cfg(windows)]
-mod imp {
-    use windows::Win32::Graphics::DirectWrite::{
-        DWRITE_FACTORY_TYPE_SHARED, DWRITE_FONT_STRETCH_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_WEIGHT_NORMAL,
-        DWriteCreateFactory, IDWriteFactory, IDWriteFont1, IDWriteLocalizedStrings,
-    };
-    use windows::core::{BOOL, Interface, w};
-
-    /// The system font collection's families, named in English when the
-    /// family has an English name (what CSS matches), else its first name.
-    pub(crate) fn list(refresh: bool) -> Vec<(String, bool)> {
-        // SAFETY: plain DirectWrite COM calls on interfaces we own.
-        unsafe { read(refresh) }.unwrap_or_default()
-    }
-
-    unsafe fn read(refresh: bool) -> windows::core::Result<Vec<(String, bool)>> {
-        let factory: IDWriteFactory = unsafe { DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED) }?;
-        let mut collection = None;
-        unsafe { factory.GetSystemFontCollection(&mut collection, refresh) }?;
-        let Some(collection) = collection else {
-            return Ok(Vec::new());
-        };
-        let mut out = Vec::new();
-        for i in 0..unsafe { collection.GetFontFamilyCount() } {
-            let Ok(family) = (unsafe { collection.GetFontFamily(i) }) else {
-                continue;
-            };
-            let Some(name) = unsafe { family.GetFamilyNames() }.ok().and_then(|n| unsafe { english(&n) }) else {
-                continue;
-            };
-            let mono = unsafe {
-                family.GetFirstMatchingFont(
-                    DWRITE_FONT_WEIGHT_NORMAL,
-                    DWRITE_FONT_STRETCH_NORMAL,
-                    DWRITE_FONT_STYLE_NORMAL,
-                )
-            }
-            .ok()
-            .and_then(|f| f.cast::<IDWriteFont1>().ok())
-            .is_some_and(|f| unsafe { f.IsMonospacedFont() }.as_bool());
-            out.push((name, mono));
-        }
-        Ok(out)
-    }
-
-    unsafe fn english(names: &IDWriteLocalizedStrings) -> Option<String> {
-        let mut index = 0u32;
-        let mut exists = BOOL(0);
-        unsafe { names.FindLocaleName(w!("en-us"), &mut index, &mut exists) }.ok()?;
-        if !exists.as_bool() {
-            index = 0;
-        }
-        let len = unsafe { names.GetStringLength(index) }.ok()? as usize;
-        let mut buf = vec![0u16; len + 1];
-        unsafe { names.GetString(index, &mut buf) }.ok()?;
-        Some(String::from_utf16_lossy(&buf[..len]))
-    }
-}
-
-#[cfg(all(unix, not(target_os = "macos")))]
-mod imp {
-    use std::process::{Command, Stdio};
-
-    /// fontconfig's view, which WebKitGTK resolves names with. Empty when
-    /// `fc-list` isn't installed.
-    pub(crate) fn list(_refresh: bool) -> Vec<(String, bool)> {
-        Command::new("fc-list")
-            .args(["-f", "%{family[0]}\t%{spacing}\n"])
-            .stdin(Stdio::null())
-            .stderr(Stdio::null())
-            .output()
-            .ok()
-            .filter(|o| o.status.success())
-            .map(|o| super::parse_fc_list(&String::from_utf8_lossy(&o.stdout)))
-            .unwrap_or_default()
-    }
-}
-
-#[cfg(not(any(unix, windows)))]
-mod imp {
-    pub(crate) fn list(_refresh: bool) -> Vec<(String, bool)> {
-        Vec::new()
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use std::sync::atomic::{AtomicUsize, Ordering};
-
-    #[test]
-    fn selects_only_regular_bold_and_matching_italics_from_dense_families() {
-        let entries: Vec<_> = [false, true]
-            .into_iter()
-            .flat_map(|italic| {
-                (100..=900).step_by(100).map(move |weight| UserFace {
-                    family: "CJK".into(),
-                    path: format!("{weight}-{italic}.ttf").into(),
-                    weight,
-                    italic,
-                })
-            })
-            .collect();
-        let selected = family_faces(" cjk ", &entries);
-        assert_eq!(
-            selected.iter().map(|f| (f.weight, f.italic)).collect::<Vec<_>>(),
-            [(400, false), (700, false), (400, true), (700, true),]
-        );
-        assert!(family_faces("unknown", &entries).is_empty());
-    }
-
-    #[test]
-    fn selects_nearest_available_weights_once_with_optional_italics() {
-        let entries: Vec<_> = [(300, false), (500, false), (800, false), (500, true)]
-            .into_iter()
-            .map(|(weight, italic)| UserFace {
-                family: "Sparse".into(),
-                path: format!("{weight}-{italic}.ttf").into(),
-                weight,
-                italic,
-            })
-            .collect();
-        let selected = family_faces("Sparse", &entries);
-        assert_eq!(
-            selected.iter().map(|f| (f.weight, f.italic)).collect::<Vec<_>>(),
-            [(300, false), (800, false), (500, true),]
-        );
-        assert_eq!(family_faces("Sparse", &entries[..1]).len(), 1);
-    }
-
-    #[test]
-    fn bundle_only_reads_enumerated_family_faces() {
-        let root = std::env::current_dir().unwrap().join(format!("../../.font-bundle-test-{}", std::process::id()));
-        std::fs::create_dir_all(&root).unwrap();
-        let root = root.canonicalize().unwrap();
-        let regular = root.join("regular.ttf");
-        let bold = root.join("bold.ttf");
-        std::fs::write(&regular, [1, 2, 3]).unwrap();
-        std::fs::write(&bold, [4, 5]).unwrap();
-        let entries = [
-            UserFace { family: "Test Nerd Font".into(), path: regular.clone(), weight: 400, italic: false },
-            UserFace { family: "Test Nerd Font".into(), path: bold, weight: 700, italic: false },
-            // A non-selected face is never opened, even if its file has disappeared.
-            UserFace { family: "Test Nerd Font".into(), path: root.join("thin.ttf"), weight: 100, italic: false },
-        ];
-        let result = bundle_family("test nerd font", &entries).unwrap();
-        let len = u32::from_le_bytes(result[..4].try_into().unwrap()) as usize;
-        let faces: serde_json::Value = serde_json::from_slice(&result[4..4 + len]).unwrap();
-        assert_eq!(faces[0]["weight"], 400);
-        assert_eq!(faces[1]["weight"], 700);
-        assert_eq!(faces.as_array().unwrap().len(), 2);
-        assert_eq!(&result[4 + len..], &[1, 2, 3, 4, 5]);
-        // Existing files are not inputs: neither paths nor unenumerated families grant access.
-        assert!(bundle_family(regular.to_str().unwrap(), &entries).is_err());
-        assert!(bundle_family("Unenumerated", &entries).is_err());
-        assert!(user_font_path(&regular, &[]).is_none());
-        assert!(user_font_path(&regular, std::slice::from_ref(&root)).is_some());
-        // Multiple selected descriptors in a collection still transfer the file only once.
-        let shared = [
-            UserFace { family: "Collection".into(), path: regular.clone(), weight: 400, italic: false },
-            UserFace { family: "Collection".into(), path: regular, weight: 700, italic: false },
-        ];
-        let result = bundle_family("Collection", &shared).unwrap();
-        let len = u32::from_le_bytes(result[..4].try_into().unwrap()) as usize;
-        let faces: serde_json::Value = serde_json::from_slice(&result[4..4 + len]).unwrap();
-        assert_eq!(faces[0]["offset"], faces[1]["offset"]);
-        assert_eq!(&result[4 + len..], &[1, 2, 3]);
-        #[cfg(unix)]
-        {
-            let link = root.join("outside.ttf");
-            std::os::unix::fs::symlink(std::env::current_exe().unwrap(), &link).unwrap();
-            assert!(user_font_path(&link, std::slice::from_ref(&root)).is_none());
-        }
-        std::fs::remove_dir_all(root).unwrap();
-    }
-
-    fn fam(name: &str, monospaced: bool) -> FontFamily {
-        FontFamily { name: name.into(), monospaced }
-    }
-
-    #[test]
-    fn normalize_merges_faces_sorts_and_drops_hidden() {
-        let faces = [
-            ("Menlo", true),
-            ("Arial", false),
-            ("Menlo", true),
-            (".SF NS Mono", true),
-            ("  ", false),
-            ("arial", false),
-            ("PingFang SC", false),
-            ("Courier New", false),
-            ("Courier New", true),
-            ("andale mono", true),
-        ]
-        .map(|(n, m)| (n.to_owned(), m));
-        assert_eq!(
-            normalize(faces),
-            vec![
-                fam("andale mono", true),
-                fam("Arial", false),
-                fam("Courier New", true),
-                fam("Menlo", true),
-                fam("PingFang SC", false),
-            ]
-        );
-    }
-
-    #[test]
-    fn fc_list_spacing_marks_monospace() {
-        let out = "DejaVu Sans Mono\t100\nDejaVu Sans\t\nNoto Sans Mono CJK SC\t90\nTerminus\t110\nCantarell\nFira\\-Code\tmono\n\t100\n";
-        assert_eq!(
-            parse_fc_list(out),
-            [
-                ("DejaVu Sans Mono", true),
-                ("DejaVu Sans", false),
-                ("Noto Sans Mono CJK SC", true),
-                ("Terminus", true),
-                ("Cantarell", false),
-                ("Fira-Code", true),
-            ]
-            .map(|(n, m)| (n.to_owned(), m))
-        );
-    }
-
-    #[test]
-    fn caches_until_refresh_requested() {
-        let cache = Mutex::new(None);
-        let calls = AtomicUsize::new(0);
-        let lister = |refresh: bool| {
-            let n = calls.fetch_add(1, Ordering::SeqCst);
-            vec![(format!("Font {n} (refresh={refresh})"), n.is_multiple_of(2))]
-        };
-
-        let first = cached(&cache, false, lister);
-        assert_eq!(&*first, &[fam("Font 0 (refresh=false)", true)]);
-        assert_eq!(calls.load(Ordering::SeqCst), 1);
-
-        let second = cached(&cache, false, lister);
-        assert!(Arc::ptr_eq(&first, &second));
-        assert_eq!(calls.load(Ordering::SeqCst), 1);
-
-        let refreshed = cached(&cache, true, lister);
-        assert_eq!(&*refreshed, &[fam("Font 1 (refresh=true)", false)]);
-        assert_eq!(calls.load(Ordering::SeqCst), 2);
-
-        let after_refresh = cached(&cache, false, lister);
-        assert!(Arc::ptr_eq(&refreshed, &after_refresh));
-        assert_eq!(calls.load(Ordering::SeqCst), 2);
-    }
-
-    /// The real font system: every desktop OS ships some fonts, at least one
-    /// of them monospaced, and the list comes back sorted without duplicates.
-    #[cfg(any(target_os = "macos", windows))]
-    #[test]
-    fn lists_installed_families() {
-        let list = families(false);
-        assert!(list.len() > 20, "only {} families", list.len());
-        assert!(list.iter().any(|f| f.monospaced));
-        assert!(list.iter().any(|f| !f.monospaced));
-        let keys: Vec<String> = list.iter().map(|f| f.name.to_lowercase()).collect();
-        assert!(keys.windows(2).all(|w| w[0] < w[1]));
-        #[cfg(target_os = "macos")]
-        {
-            let menlo = list.iter().find(|f| f.name == "Menlo").expect("Menlo ships with macOS");
-            assert!(menlo.monospaced);
-            assert!(list.iter().any(|f| f.name == "Helvetica Neue" && !f.monospaced));
-        }
-        assert_eq!(&*families(true), &*list);
-    }
-}
@@ -13,3 +13,6 @@ serde_json.workspace = true
 specta.workspace = true
 tracing.workspace = true
 which = "8"
+
+[target.'cfg(unix)'.dependencies]
+libc = "0.2"
@@ -107,7 +107,7 @@ pub fn availability(root: &Path) -> GhAvailability {
    }
    let (repo, login) = std::thread::scope(|s| {
        let repo = s.spawn(|| {
-            let cmd = command(root, &["repo", "view", "--json", REPO_FIELDS])?;
+            let cmd = command(root, &["repo", "view", "--json", "nameWithOwner,url,defaultBranchRef"])?;
            process::run(cmd, QUICK, None)
        });
        let login = s.spawn(|| run(root, &["api", "user", "--jq", ".login"]));
@@ -278,53 +278,6 @@ pub fn add_comment(root: &Path, number: u32, body: &str) -> IdeResult<()> {
    run(root, &["pr", "comment", &n, "--body", body]).map(drop)
 }

-/// A GitHub API call through `gh api`: GraphQL (`endpoint` `graphql`, `body`
-/// `{"query", "variables"}`) or REST (`repos/{owner}/{repo}/…`, gh fills in the
-/// placeholders from the project's remote).
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct GhApiRequest {
-    /// `GET`, `POST`, `PATCH`, `PUT`, `DELETE`.
-    pub method: String,
-    pub endpoint: String,
-    /// JSON request body, sent on stdin.
-    pub body: Option<String>,
-    /// Follow REST `Link` pages; the result is the array of all pages (`--slurp`).
-    pub paginate: bool,
-}
-
-const METHODS: &[&str] = &["GET", "POST", "PATCH", "PUT", "DELETE"];
-
-/// `gh api` arguments for `req`.
-pub fn api_args(req: &GhApiRequest) -> IdeResult<Vec<String>> {
-    let method = req.method.to_ascii_uppercase();
-    if !METHODS.contains(&method.as_str()) {
-        return Err(IdeError::invalid(format!("unsupported HTTP method {}", req.method)));
-    }
-    let endpoint = req.endpoint.trim();
-    if endpoint.is_empty() || endpoint.starts_with('-') || endpoint.contains("://") {
-        return Err(IdeError::invalid(format!("not a GitHub API endpoint: {endpoint}")));
-    }
-    let mut args: Vec<String> = vec!["api".into(), "--method".into(), method, endpoint.into()];
-    if req.body.is_some() {
-        args.push("--input".into());
-        args.push("-".into());
-    }
-    if req.paginate {
-        args.push("--paginate".into());
-        args.push("--slurp".into());
-    }
-    Ok(args)
-}
-
-/// Runs `req`; returns the response body (JSON text, empty for `204 No Content`).
-pub fn api(root: &Path, req: &GhApiRequest) -> IdeResult<String> {
-    let args = api_args(req)?;
-    let refs: Vec<&str> = args.iter().map(String::as_str).collect();
-    let out = process::run_with_input(command(root, &refs)?, req.body.as_deref(), QUICK, None)?;
-    if out.success { Ok(out.stdout) } else { Err(failure(&out.stderr, &out.stdout)) }
-}
-
 /// Revisions to diff a pull request's files with, present in the local repository.
 #[derive(Clone, Debug, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
@@ -34,12 +34,6 @@ pub struct GhRepo {
    pub name_with_owner: String,
    pub url: String,
    pub default_branch: Option<String>,
-    /// Merge methods the repository allows (all of them when gh does not say).
-    pub merge_commit_allowed: bool,
-    pub squash_merge_allowed: bool,
-    pub rebase_merge_allowed: bool,
-    /// The signed-in user's permission: `ADMIN`, `MAINTAIN`, `WRITE`, `TRIAGE`, `READ`; empty when unknown.
-    pub viewer_permission: String,
 }

 #[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Type)]
@@ -158,8 +152,6 @@ pub struct PullRequestDetails {
    pub base_oid: String,
    /// `MERGEABLE`, `CONFLICTING`, `UNKNOWN`.
    pub mergeable: String,
-    /// GitHub's merge box state: `CLEAN`, `UNSTABLE`, `HAS_HOOKS`, `BLOCKED`, `BEHIND`, `DIRTY`, `DRAFT`, `UNKNOWN`.
-    pub merge_state_status: String,
    pub is_cross_repository: bool,
    pub merged_at: Option<String>,
    pub closed_at: Option<String>,
@@ -250,7 +242,7 @@ impl RawSummary {
 pub const LIST_FIELDS: &str = "number,title,author,state,isDraft,headRefName,baseRefName,createdAt,updatedAt,labels,reviewDecision,url,additions,deletions";

 /// Fields requested from `gh pr view`.
-pub const VIEW_FIELDS: &str = "number,title,author,state,isDraft,headRefName,baseRefName,createdAt,updatedAt,labels,reviewDecision,url,additions,deletions,body,headRefOid,baseRefOid,mergeable,mergeStateStatus,isCrossRepository,mergedAt,closedAt,statusCheckRollup,reviewRequests,reviews,assignees,commits,files,comments";
+pub const VIEW_FIELDS: &str = "number,title,author,state,isDraft,headRefName,baseRefName,createdAt,updatedAt,labels,reviewDecision,url,additions,deletions,body,headRefOid,baseRefOid,mergeable,isCrossRepository,mergedAt,closedAt,statusCheckRollup,reviewRequests,reviews,assignees,commits,files,comments";

 pub fn parse_list(json: &str) -> serde_json::Result<Vec<PullRequestSummary>> {
    let raw: Vec<RawSummary> = serde_json::from_str(json)?;
@@ -356,7 +348,6 @@ struct RawDetails {
    head_ref_oid: String,
    base_ref_oid: String,
    mergeable: String,
-    merge_state_status: String,
    is_cross_repository: bool,
    merged_at: Option<String>,
    closed_at: Option<String>,
@@ -451,7 +442,6 @@ pub fn parse_view(json: &str) -> serde_json::Result<PullRequestDetails> {
        head_oid: raw.head_ref_oid,
        base_oid: raw.base_ref_oid,
        mergeable: raw.mergeable,
-        merge_state_status: raw.merge_state_status,
        is_cross_repository: raw.is_cross_repository,
        merged_at: raw.merged_at.filter(|s| !s.is_empty()),
        closed_at: raw.closed_at.filter(|s| !s.is_empty()),
@@ -544,10 +534,6 @@ struct RawRepo {
    name_with_owner: String,
    url: String,
    default_branch_ref: Option<RawBranchRef>,
-    merge_commit_allowed: Option<bool>,
-    squash_merge_allowed: Option<bool>,
-    rebase_merge_allowed: Option<bool>,
-    viewer_permission: Option<String>,
 }

 #[derive(Deserialize, Default)]
@@ -556,21 +542,13 @@ struct RawBranchRef {
    name: String,
 }

-/// Fields requested from `gh repo view`.
-pub const REPO_FIELDS: &str =
-    "nameWithOwner,url,defaultBranchRef,mergeCommitAllowed,squashMergeAllowed,rebaseMergeAllowed,viewerPermission";
-
-/// `gh repo view --json` with [`REPO_FIELDS`].
+/// `gh repo view --json nameWithOwner,url,defaultBranchRef`.
 pub fn parse_repo(json: &str) -> serde_json::Result<GhRepo> {
    let raw: RawRepo = serde_json::from_str(json)?;
    Ok(GhRepo {
        name_with_owner: raw.name_with_owner,
        url: raw.url,
        default_branch: raw.default_branch_ref.map(|b| b.name).filter(|n| !n.is_empty()),
-        merge_commit_allowed: raw.merge_commit_allowed.unwrap_or(true),
-        squash_merge_allowed: raw.squash_merge_allowed.unwrap_or(true),
-        rebase_merge_allowed: raw.rebase_merge_allowed.unwrap_or(true),
-        viewer_permission: raw.viewer_permission.unwrap_or_default(),
    })
 }

@@ -1,16 +1,11 @@
 //! Child processes of the gh CLI: bounded runs and cancellable line streams.

-use ide_core::process::terminate_tree;
 use ide_core::{CancellationToken, IdeError, IdeResult};
 use std::io::Read;
 use std::process::{Child, Command, Stdio};
 use std::sync::mpsc;
 use std::time::{Duration, Instant};

-/// How long a cancelled or timed-out child's process group (gh spawns git and helpers)
-/// gets to exit on `SIGTERM` before `SIGKILL`: git removes its lock files on `SIGTERM`.
-const KILL_GRACE: Duration = Duration::from_millis(20);
-
 pub(crate) struct Output {
    pub stdout: String,
    pub stderr: String,
@@ -25,13 +20,36 @@ pub(crate) enum Stream {

 fn prepare(cmd: &mut Command) {
    cmd.stdin(Stdio::null()).stdout(Stdio::piped()).stderr(Stdio::piped());
-    ide_core::process::prepare(ide_core::process::own_group(cmd));
+    #[cfg(unix)]
+    {
+        use std::os::unix::process::CommandExt;
+        cmd.process_group(0);
+    }
+    ide_core::process::prepare(cmd);
 }

 fn spawn(cmd: &mut Command) -> IdeResult<Child> {
    cmd.spawn().map_err(|e| IdeError::unavailable(format!("could not run gh: {e}")))
 }

+/// Kills the child and, on Unix, its whole process group (gh spawns git and helpers).
+pub(crate) fn kill(child: &mut Child) {
+    #[cfg(unix)]
+    {
+        let pid = child.id() as libc::pid_t;
+        // SAFETY: plain syscall; the child leads its own process group (`prepare`).
+        unsafe {
+            libc::kill(-pid, libc::SIGTERM);
+        }
+        std::thread::sleep(Duration::from_millis(20));
+        unsafe {
+            libc::kill(-pid, libc::SIGKILL);
+        }
+    }
+    let _ = child.kill();
+    let _ = child.wait();
+}
+
 fn read_all(mut pipe: impl Read + Send + 'static) -> std::thread::JoinHandle<String> {
    std::thread::spawn(move || {
        let mut buf = Vec::new();
@@ -42,30 +60,9 @@ fn read_all(mut pipe: impl Read + Send + 'static) -> std::thread::JoinHandle<Str

 /// Runs `cmd` to completion. Fails when it outlives `timeout` or `cancel` fires;
 /// a non-zero exit is reported in [`Output::success`], not as an error.
-pub(crate) fn run(cmd: Command, timeout: Duration, cancel: Option<&CancellationToken>) -> IdeResult<Output> {
-    run_with_input(cmd, None, timeout, cancel)
-}
-
-/// [`run`] with `input` written to the child's stdin (then closed).
-pub(crate) fn run_with_input(
-    mut cmd: Command,
-    input: Option<&str>,
-    timeout: Duration,
-    cancel: Option<&CancellationToken>,
-) -> IdeResult<Output> {
+pub(crate) fn run(mut cmd: Command, timeout: Duration, cancel: Option<&CancellationToken>) -> IdeResult<Output> {
    prepare(&mut cmd);
-    if input.is_some() {
-        cmd.stdin(Stdio::piped());
-    }
    let mut child = spawn(&mut cmd)?;
-    if let (Some(input), Some(mut stdin)) = (input, child.stdin.take()) {
-        let input = input.to_owned();
-        // A writer thread: a large body must not block on a full pipe while gh is not reading yet.
-        std::thread::spawn(move || {
-            use std::io::Write;
-            let _ = stdin.write_all(input.as_bytes());
-        });
-    }
    let out = child.stdout.take().map(read_all);
    let err = child.stderr.take().map(read_all);
    let deadline = Instant::now() + timeout;
@@ -74,11 +71,11 @@ pub(crate) fn run_with_input(
            break status;
        }
        if cancel.is_some_and(CancellationToken::is_cancelled) {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::cancelled());
        }
        if Instant::now() >= deadline {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::unavailable("gh did not respond in time"));
        }
        std::thread::sleep(Duration::from_millis(10));
@@ -152,7 +149,7 @@ pub(crate) fn stream(
    let mut stderr_tail: Vec<String> = Vec::new();
    while open > 0 {
        if cancel.is_cancelled() {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::cancelled());
        }
        match rx.recv_timeout(Duration::from_millis(50)) {
@@ -175,7 +172,7 @@ pub(crate) fn stream(
            break status;
        }
        if cancel.is_cancelled() {
-            terminate_tree(&mut child, KILL_GRACE);
+            kill(&mut child);
            return Err(IdeError::cancelled());
        }
        std::thread::sleep(Duration::from_millis(10));
@@ -1 +1 @@
-{"additions":42,"assignees":[],"author":{"id":"MDQ6VXNlcjM2NzI4OTMx","is_bot":false,"login":"babakks","name":"Babak K. Shandiz"},"baseRefName":"trunk","baseRefOid":"ae7b9715976c5508398b11dc8546e1279e10f6fc","body":"### Description\n\nThis PR moves gh to the tagged version of `cli/oauth`.","closedAt":"2026-10-21T12:29:58Z","comments":[{"id":"IC_1","author":{"login":"babakks"},"authorAssociation":"MEMBER","body":"Rebased on trunk.","createdAt":"2026-10-21T08:00:00Z","includesCreatedEdit":false,"isMinimized":false,"minimizedReason":"","reactionGroups":[],"url":"https://github.com/cli/cli/pull/14768#issuecomment-1","viewerDidAuthor":false}],"commits":[{"authoredDate":"2026-10-20T16:37:24Z","authors":[{"email":"[email protected]","id":"MDQ6VXNlcjM2NzI4OTMx","login":"babakks","name":"Babak K. Shandiz"}],"committedDate":"2026-10-21T12:06:51Z","messageBody":"cli/oauth v1.3.0 exposes the token expiry fields as time.Duration values.","messageHeadline":"chore(deps): bump github.com/cli/oauth to v1.3.0","oid":"fd1b1feb222dde885d00262b2c21b107c6c6e416"}],"createdAt":"2026-10-20T16:40:41Z","deletions":48,"files":[{"path":"go.mod","additions":1,"deletions":1,"changeType":"MODIFIED"},{"path":"pkg/cmd/status/status.go","additions":3,"deletions":2,"changeType":"MODIFIED"}],"headRefName":"babakks/refresh-token-bump-deps","headRefOid":"6ec1ba54542baca6cc5932582634104c83f36a28","isCrossRepository":false,"isDraft":false,"labels":[],"mergeable":"UNKNOWN","mergeStateStatus":"UNKNOWN","mergedAt":"2026-10-21T12:29:58Z","number":14768,"reviewDecision":"APPROVED","reviewRequests":[{"__typename":"User","login":"niik"}],"reviews":[{"id":"PRR_1","author":{"login":"copilot-pull-request-reviewer"},"authorAssociation":"CONTRIBUTOR","body":"","submittedAt":"2026-10-21T09:46:01Z","includesCreatedEdit":false,"reactionGroups":[],"state":"COMMENTED","commit":{"oid":"831b9343fa77c2f11f521a49fd01da2d2d007b8e"}},{"id":"PRR_2","author":{"login":"williammartin"},"authorAssociation":"MEMBER","body":"LGTM","submittedAt":"2026-10-21T12:20:00Z","includesCreatedEdit":false,"reactionGroups":[],"state":"APPROVED","commit":{"oid":"6ec1ba54542baca6cc5932582634104c83f36a28"}}],"state":"MERGED","statusCheckRollup":[{"__typename":"CheckRun","completedAt":"2026-10-21T12:09:03Z","conclusion":"SUCCESS","detailsUrl":"https://github.com/cli/cli/actions/runs/1/job/1","name":"build (ubuntu)","startedAt":"2026-10-21T12:07:01Z","status":"COMPLETED","workflowName":"Tests"},{"__typename":"CheckRun","completedAt":"0001-01-01T00:00:00Z","conclusion":"","detailsUrl":"https://github.com/cli/cli/actions/runs/1/job/2","name":"build (windows)","startedAt":"2026-10-21T12:07:01Z","status":"IN_PROGRESS","workflowName":"Tests"},{"__typename":"CheckRun","completedAt":"2026-10-21T12:08:00Z","conclusion":"FAILURE","detailsUrl":"https://github.com/cli/cli/actions/runs/1/job/3","name":"lint","startedAt":"2026-10-21T12:07:01Z","status":"COMPLETED","workflowName":"Lint"},{"__typename":"CheckRun","completedAt":"2026-10-21T12:08:00Z","conclusion":"SKIPPED","detailsUrl":"","name":"docs","startedAt":"2026-10-21T12:07:01Z","status":"COMPLETED","workflowName":""},{"__typename":"StatusContext","context":"ci/legacy","state":"PENDING","targetUrl":"https://ci.example.com/1","startedAt":"2026-10-21T12:07:01Z"}],"title":"Refreshable tokens: bump cli/oauth to v1.3.0 and fix `gh status` column width","updatedAt":"2026-10-21T12:30:00Z","url":"https://github.com/cli/cli/pull/14768"}
+{"additions":42,"assignees":[],"author":{"id":"MDQ6VXNlcjM2NzI4OTMx","is_bot":false,"login":"babakks","name":"Babak K. Shandiz"},"baseRefName":"trunk","baseRefOid":"ae7b9715976c5508398b11dc8546e1279e10f6fc","body":"### Description\n\nThis PR moves gh to the tagged version of `cli/oauth`.","closedAt":"2026-10-21T12:29:58Z","comments":[{"id":"IC_1","author":{"login":"babakks"},"authorAssociation":"MEMBER","body":"Rebased on trunk.","createdAt":"2026-10-21T08:00:00Z","includesCreatedEdit":false,"isMinimized":false,"minimizedReason":"","reactionGroups":[],"url":"https://github.com/cli/cli/pull/14768#issuecomment-1","viewerDidAuthor":false}],"commits":[{"authoredDate":"2026-10-20T16:37:24Z","authors":[{"email":"[email protected]","id":"MDQ6VXNlcjM2NzI4OTMx","login":"babakks","name":"Babak K. Shandiz"}],"committedDate":"2026-10-21T12:06:51Z","messageBody":"cli/oauth v1.3.0 exposes the token expiry fields as time.Duration values.","messageHeadline":"chore(deps): bump github.com/cli/oauth to v1.3.0","oid":"fd1b1feb222dde885d00262b2c21b107c6c6e416"}],"createdAt":"2026-10-20T16:40:41Z","deletions":48,"files":[{"path":"go.mod","additions":1,"deletions":1,"changeType":"MODIFIED"},{"path":"pkg/cmd/status/status.go","additions":3,"deletions":2,"changeType":"MODIFIED"}],"headRefName":"babakks/refresh-token-bump-deps","headRefOid":"6ec1ba54542baca6cc5932582634104c83f36a28","isCrossRepository":false,"isDraft":false,"labels":[],"mergeable":"UNKNOWN","mergedAt":"2026-10-21T12:29:58Z","number":14768,"reviewDecision":"APPROVED","reviewRequests":[{"__typename":"User","login":"niik"}],"reviews":[{"id":"PRR_1","author":{"login":"copilot-pull-request-reviewer"},"authorAssociation":"CONTRIBUTOR","body":"","submittedAt":"2026-10-21T09:46:01Z","includesCreatedEdit":false,"reactionGroups":[],"state":"COMMENTED","commit":{"oid":"831b9343fa77c2f11f521a49fd01da2d2d007b8e"}},{"id":"PRR_2","author":{"login":"williammartin"},"authorAssociation":"MEMBER","body":"LGTM","submittedAt":"2026-10-21T12:20:00Z","includesCreatedEdit":false,"reactionGroups":[],"state":"APPROVED","commit":{"oid":"6ec1ba54542baca6cc5932582634104c83f36a28"}}],"state":"MERGED","statusCheckRollup":[{"__typename":"CheckRun","completedAt":"2026-10-21T12:09:03Z","conclusion":"SUCCESS","detailsUrl":"https://github.com/cli/cli/actions/runs/1/job/1","name":"build (ubuntu)","startedAt":"2026-10-21T12:07:01Z","status":"COMPLETED","workflowName":"Tests"},{"__typename":"CheckRun","completedAt":"0001-01-01T00:00:00Z","conclusion":"","detailsUrl":"https://github.com/cli/cli/actions/runs/1/job/2","name":"build (windows)","startedAt":"2026-10-21T12:07:01Z","status":"IN_PROGRESS","workflowName":"Tests"},{"__typename":"CheckRun","completedAt":"2026-10-21T12:08:00Z","conclusion":"FAILURE","detailsUrl":"https://github.com/cli/cli/actions/runs/1/job/3","name":"lint","startedAt":"2026-10-21T12:07:01Z","status":"COMPLETED","workflowName":"Lint"},{"__typename":"CheckRun","completedAt":"2026-10-21T12:08:00Z","conclusion":"SKIPPED","detailsUrl":"","name":"docs","startedAt":"2026-10-21T12:07:01Z","status":"COMPLETED","workflowName":""},{"__typename":"StatusContext","context":"ci/legacy","state":"PENDING","targetUrl":"https://ci.example.com/1","startedAt":"2026-10-21T12:07:01Z"}],"title":"Refreshable tokens: bump cli/oauth to v1.3.0 and fix `gh status` column width","updatedAt":"2026-10-21T12:30:00Z","url":"https://github.com/cli/cli/pull/14768"}
@@ -22,7 +22,6 @@ fn pr_view() {
    assert_eq!(pr.summary.number, 14768);
    assert_eq!(pr.summary.head_ref, "babakks/refresh-token-bump-deps");
    assert_eq!(pr.head_oid, "6ec1ba54542baca6cc5932582634104c83f36a28");
-    assert_eq!(pr.merge_state_status, "UNKNOWN");
    assert_eq!(pr.files.len(), 2);
    assert_eq!(pr.files[0].change_type, "MODIFIED");
    assert_eq!(pr.commits[0].headline, "chore(deps): bump github.com/cli/oauth to v1.3.0");
@@ -70,16 +69,6 @@ fn repo_view() {
        .unwrap();
    assert_eq!(r.name_with_owner, "l0ng-ai/openidea");
    assert_eq!(r.default_branch.as_deref(), Some("main"));
-    assert!(r.merge_commit_allowed && r.squash_merge_allowed && r.rebase_merge_allowed, "unknown: allowed");
-    assert_eq!(r.viewer_permission, "");
-
-    let r = parse_repo(
-        r#"{"mergeCommitAllowed":true,"nameWithOwner":"o/r","url":"","rebaseMergeAllowed":false,"squashMergeAllowed":false,"viewerPermission":"WRITE"}"#,
-    )
-    .unwrap();
-    assert!(r.merge_commit_allowed);
-    assert!(!r.squash_merge_allowed && !r.rebase_merge_allowed);
-    assert_eq!(r.viewer_permission, "WRITE");
 }

 #[test]
@@ -98,24 +87,3 @@ fn list_arguments() {
    assert!(joined.contains("--limit 500 --state merged --author @me"));
    assert_eq!(args.last().map(String::as_str), Some("review-requested:@me fix login"));
 }
-
-#[test]
-fn api_arguments() {
-    let req =
-        GhApiRequest { method: "post".into(), endpoint: "graphql".into(), body: Some("{}".into()), paginate: false };
-    assert_eq!(api_args(&req).unwrap(), ["api", "--method", "POST", "graphql", "--input", "-"]);
-    let req = GhApiRequest {
-        method: "GET".into(),
-        endpoint: "repos/{owner}/{repo}/labels".into(),
-        body: None,
-        paginate: true,
-    };
-    assert_eq!(
-        api_args(&req).unwrap(),
-        ["api", "--method", "GET", "repos/{owner}/{repo}/labels", "--paginate", "--slurp"]
-    );
-    for bad in ["--hostname", "https://evil.example/x", ""] {
-        assert!(api_args(&GhApiRequest { endpoint: bad.into(), ..req.clone() }).is_err(), "{bad}");
-    }
-    assert!(api_args(&GhApiRequest { method: "TRACE".into(), ..req }).is_err());
-}
@@ -10,7 +10,6 @@ name = "openidea-server"
 path = "src/bin/server.rs"

 [dependencies]
-encoding_rs.workspace = true
 ide-core.workspace = true
 ide-text.workspace = true
 ide-vfs.workspace = true
@@ -35,27 +34,17 @@ ide-ssh.workspace = true
 ide-remote.workspace = true
 ide-jsonrpc.workspace = true
 ide-agent.workspace = true
-ide-notebook.workspace = true
 ide-tools = { path = "../ide-tools" }
 serde.workspace = true
 serde_json.workspace = true
 specta.workspace = true
-specta-typescript.workspace = true
 tokio = { workspace = true, features = ["io-std"] }
 tracing.workspace = true
 tracing-subscriber.workspace = true
 parking_lot.workspace = true
 dunce.workspace = true
 dirs.workspace = true
-uuid.workspace = true
-tempfile.workspace = true

 [dev-dependencies]
-ide-ssh = { workspace = true, features = ["testing"] }
-tokio = { workspace = true, features = ["rt-multi-thread", "macros", "io-util", "test-util"] }
-
-[target.'cfg(unix)'.dependencies]
-rustix = { version = "1.1", features = ["fs", "process"] }
-
-[target.'cfg(windows)'.dependencies]
-windows-sys = { version = "0.61", features = ["Win32_Storage_FileSystem"] }
+tokio = { workspace = true, features = ["rt-multi-thread", "macros", "io-util"] }
+tempfile.workspace = true
@@ -55,7 +55,6 @@ async fn run(base: PathBuf) -> i32 {
    let sink_peer = peer.clone();
    let host = Arc::new(Host::new(HostConfig {
        config_dir,
-        local_data_dir: data_dir.clone(),
        data_dir,
        languages,
        syntax: Arc::default(),
@@ -1,476 +0,0 @@
-//! Storage policy and best-effort migration of rebuildable desktop data.
-
-use std::fs;
-use std::io;
-use std::path::{Path, PathBuf};
-
-/// Unknown entries and recovery/user content deliberately stay in roaming data.
-pub fn is_local(entry: &Path) -> bool {
-    ["tools", "language-server-runtimes", "index", "cache", "lsp", "notebook-runtime", "server", "logs"]
-        .iter()
-        .any(|root| entry.starts_with(root))
-        || entry.starts_with("agents/tools")
-        || entry == Path::new("agents/registry.json")
-        || (entry.components().count() == 1
-            && entry.file_name().is_some_and(|name| name.to_string_lossy().starts_with("java-usages-"))
-            && entry.extension().is_some_and(|ext| ext == "jar" || ext == "tmp"))
-}
-
-pub fn data_path(data: &Path, local: &Path, entry: &Path) -> PathBuf {
-    if is_local(entry) { local.join(entry) } else { data.join(entry) }
-}
-
-#[derive(Debug, PartialEq, Eq)]
-enum Action {
-    Skip,
-    Rename,
-}
-
-fn action(same_root: bool, source_exists: bool, target_exists: bool) -> Action {
-    if same_root || !source_exists || target_exists { Action::Skip } else { Action::Rename }
-}
-
-#[derive(Debug, PartialEq, Eq)]
-enum RenameFailure {
-    Copy,
-    KeepSource,
-}
-
-fn rename_failure(error: &io::Error) -> RenameFailure {
-    if error.kind() == io::ErrorKind::CrossesDevices { RenameFailure::Copy } else { RenameFailure::KeepSource }
-}
-
-/// Only Windows splits these paths. Renames are cheap; cross-volume copies run in
-/// the background. Consumers always use Local, even when migration fails.
-pub fn migrate(data: &Path, local: &Path) {
-    if cfg!(target_os = "windows") && data != local {
-        migrate_entries(data, local);
-    }
-}
-
-fn migrate_entries(data: &Path, local: &Path) {
-    let mut entries: Vec<PathBuf> = [
-        "language-server-runtimes",
-        "index",
-        "cache",
-        "lsp",
-        "notebook-runtime",
-        "server",
-        "java-usages-1.1.1.jar",
-        "java-usages-1.2.0.jar",
-        "agents/registry.json",
-    ]
-    .into_iter()
-    .map(PathBuf::from)
-    .collect();
-    // Virtual environments contain absolute interpreter paths. Keep the old copy
-    // intact; these tools are installed afresh in Local when requested. Registry
-    // agents also have absolute commands in user config, so leave legacy installs.
-    match fs::read_dir(data.join("tools")) {
-        Ok(tools) => {
-            for entry in tools {
-                let entry = match entry {
-                    Ok(entry) => entry,
-                    Err(error) => {
-                        tracing::warn!(%error, "cannot enumerate legacy tool; keeping old data, using Local");
-                        continue;
-                    }
-                };
-                let name = entry.file_name();
-                let venv = ide_tools::registry::TOOLS.iter().any(|tool| {
-                    name == tool.name && matches!(tool.method, ide_tools::registry::Method::PipVenv { .. })
-                });
-                if venv {
-                    tracing::info!(?name, "leaving non-relocatable legacy tool; reinstall into Local when needed");
-                } else {
-                    entries.push(Path::new("tools").join(name));
-                }
-            }
-        }
-        Err(error) if error.kind() == io::ErrorKind::NotFound => {}
-        Err(error) => tracing::warn!(%error, "cannot enumerate legacy tools; keeping old data, using Local"),
-    }
-    let mut copies = Vec::new();
-    for entry in entries {
-        let source = data.join(&entry);
-        let target = data_path(data, local, &entry);
-        match try_rename(&source, &target) {
-            Ok(true) => copies.push((source, target)),
-            Ok(false) => {}
-            Err(error) => {
-                tracing::warn!(?source, ?target, %error, "data migration failed; keeping old data, using Local")
-            }
-        }
-    }
-    if !copies.is_empty() {
-        let result = std::thread::Builder::new().name("openidea-data-migration".into()).spawn(move || {
-            for (source, target) in copies {
-                tracing::info!(?source, ?target, "copying legacy data in background");
-                if let Err(error) = copy_then_remove(&source, &target) {
-                    tracing::warn!(?source, ?target, %error, "data copy failed; keeping old data, using Local");
-                }
-            }
-        });
-        if let Err(error) = result {
-            tracing::warn!(%error, "cannot start data migration worker; keeping old data, using Local");
-        }
-    }
-}
-
-/// Returns true when a cross-volume copy is needed.
-fn try_rename(source: &Path, target: &Path) -> io::Result<bool> {
-    if action(source == target, source.try_exists()?, target.try_exists()?) == Action::Skip {
-        return Ok(false);
-    }
-    if fs::symlink_metadata(source)?.file_type().is_symlink() {
-        return Err(io::Error::other("refusing to migrate a linked data entry"));
-    }
-    fs::create_dir_all(target.parent().ok_or_else(|| io::Error::other("missing data parent"))?)?;
-    // Relative wrappers work at the old location too, so even a failed rename
-    // leaves the old installation usable and needs no rollback.
-    relocate_shims(source, source)?;
-    match rename_missing(source, target) {
-        Ok(()) => {
-            tracing::info!(?source, ?target, "moved legacy data to Local");
-            Ok(false)
-        }
-        Err(error) if rename_failure(&error) == RenameFailure::Copy => Ok(true),
-        Err(error) => Err(error),
-    }
-}
-
-fn copy_then_remove(source: &Path, target: &Path) -> io::Result<()> {
-    if target.try_exists()? {
-        return Ok(());
-    }
-    let parent = target.parent().ok_or_else(|| io::Error::other("missing data parent"))?;
-    fs::create_dir_all(parent)?;
-    let staging = parent.join(format!(".migration-{}", uuid::Uuid::new_v4()));
-    let result = (|| {
-        copy_tree(source, &staging)?;
-        relocate_shims(&staging, source)?;
-        // A tool may have been installed or a cache rebuilt while copying. Never
-        // merge into or overwrite it, and retain the original for recovery.
-        if target.try_exists()? {
-            tracing::info!(?source, ?target, "Local data created during migration; retaining legacy copy");
-            return Ok(());
-        }
-        rename_missing(&staging, target)?;
-        remove_entry(source)?;
-        tracing::info!(?source, ?target, "copied legacy data to Local");
-        Ok(())
-    })();
-    if staging.exists() {
-        let _ = remove_entry(&staging);
-    }
-    result
-}
-
-// std::fs::rename may replace even an empty directory on modern Windows.
-#[cfg(windows)]
-fn rename_missing(source: &Path, target: &Path) -> io::Result<()> {
-    use std::os::windows::ffi::OsStrExt;
-    use windows_sys::Win32::Storage::FileSystem::MoveFileExW;
-
-    // canonicalize supplies extended-length paths, including redirected UNC roots.
-    let source = fs::canonicalize(source)?;
-    let target = fs::canonicalize(target.parent().ok_or_else(|| io::Error::other("missing data parent"))?)?
-        .join(target.file_name().ok_or_else(|| io::Error::other("missing data name"))?);
-    let wide = |path: &Path| -> io::Result<Vec<u16>> {
-        let mut value: Vec<u16> = path.as_os_str().encode_wide().collect();
-        if value.contains(&0) {
-            return Err(io::Error::new(io::ErrorKind::InvalidInput, "NUL in data path"));
-        }
-        value.push(0);
-        Ok(value)
-    };
-    let source = wide(&source)?;
-    let target = wide(&target)?;
-    // SAFETY: both paths are valid NUL-terminated UTF-16 buffers. No flags means
-    // neither replacement nor implicit cross-volume copying is permitted.
-    if unsafe { MoveFileExW(source.as_ptr(), target.as_ptr(), 0) } == 0 {
-        Err(io::Error::last_os_error())
-    } else {
-        Ok(())
-    }
-}
-
-// Filesystem tests run on Unix too; production migration is Windows-only.
-#[cfg(not(windows))]
-fn rename_missing(source: &Path, target: &Path) -> io::Result<()> {
-    if target.try_exists()? {
-        return Err(io::Error::from(io::ErrorKind::AlreadyExists));
-    }
-    fs::rename(source, target)
-}
-
-fn remove_entry(path: &Path) -> io::Result<()> {
-    if fs::symlink_metadata(path)?.is_dir() { fs::remove_dir_all(path) } else { fs::remove_file(path) }
-}
-
-fn copy_tree(source: &Path, target: &Path) -> io::Result<()> {
-    let metadata = fs::symlink_metadata(source)?;
-    if metadata.file_type().is_symlink() {
-        return Err(io::Error::other("refusing to follow a link during data migration"));
-    }
-    if metadata.is_dir() {
-        fs::create_dir(target)?;
-        for entry in fs::read_dir(source)? {
-            let entry = entry?;
-            copy_tree(&entry.path(), &target.join(entry.file_name()))?;
-        }
-    } else if metadata.is_file() {
-        fs::copy(source, target)?;
-    } else {
-        return Err(io::Error::other("unsupported data entry"));
-    }
-    Ok(())
-}
-
-/// Make our absolute .cmd wrappers relative to their bin directory. They remain
-/// valid in both locations if the move must be rolled back. npm shims already use
-/// relative paths; payloads and user configuration are never rewritten.
-fn relocate_shims(root: &Path, source: &Path) -> io::Result<()> {
-    if source.parent().and_then(Path::file_name).is_none_or(|name| name != "tools") {
-        return Ok(());
-    }
-    let bin = root.join("bin");
-    if !bin.is_dir() {
-        return Ok(());
-    }
-    for entry in fs::read_dir(bin)? {
-        let path = entry?.path();
-        if path.extension().is_none_or(|ext| ext != "cmd") {
-            continue;
-        }
-        let text = fs::read_to_string(&path)?;
-        if text.starts_with("@echo off\r\n") {
-            let updated = relative_wrapper(&text, source);
-            if updated != text {
-                fs::write(path, updated)?;
-            }
-        }
-    }
-    Ok(())
-}
-
-fn relative_wrapper(text: &str, source: &Path) -> String {
-    // PathBuf can contain both separators (notably roots joined with "tools/demo").
-    // Compare normalized paths, but retain every other byte of the managed wrapper.
-    let normalized = text.replace('\\', "/");
-    let prefix = source.to_string_lossy().replace('\\', "/");
-    #[cfg(windows)]
-    let (normalized, prefix) = (normalized.to_ascii_lowercase(), prefix.to_ascii_lowercase());
-    let mut updated = text.to_owned();
-    let offsets: Vec<_> = normalized.match_indices(&prefix).map(|(offset, _)| offset).collect();
-    for offset in offsets.into_iter().rev() {
-        let end = offset + prefix.len();
-        if normalized.as_bytes().get(end) == Some(&b'/') {
-            updated.replace_range(offset..end, "%~dp0..");
-        }
-    }
-    updated
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn wrappers_accept_mixed_separators_without_rewriting_neighbor_paths() {
-        let text = "@echo off\r\n\"C:\\old\\tools/demo\\payload.exe\" \"C:\\old\\tools/demo-other\\x\" %*\r\n";
-        assert_eq!(
-            relative_wrapper(text, Path::new("C:/old/tools/demo")),
-            "@echo off\r\n\"%~dp0..\\payload.exe\" \"C:\\old\\tools/demo-other\\x\" %*\r\n"
-        );
-    }
-
-    #[test]
-    fn storage_policy_is_conservative_and_preserves_unix_layout() {
-        for entry in [
-            "tools/jdks",
-            "language-server-runtimes",
-            "lsp/jdtls",
-            "index/x",
-            "cache/x",
-            "notebook-runtime",
-            "server",
-            "logs",
-            "agents/tools",
-            "agents/registry.json",
-            "java-usages-1.1.1.jar",
-            "java-usages-1.2.0.jar",
-        ] {
-            assert!(is_local(Path::new(entry)), "{entry}");
-            assert_eq!(
-                data_path(Path::new("roaming"), Path::new("local"), Path::new(entry)),
-                Path::new("local").join(entry)
-            );
-            assert_eq!(
-                data_path(Path::new("data"), Path::new("data"), Path::new(entry)),
-                Path::new("data").join(entry)
-            );
-        }
-        for entry in [
-            "git-credentials.json",
-            "history",
-            "remote",
-            "scratches",
-            "consoles",
-            "plugins",
-            "workspaces",
-            "agents/models.json",
-            "agents/project",
-            "unknown",
-        ] {
-            assert!(!is_local(Path::new(entry)), "{entry}");
-            assert_eq!(
-                data_path(Path::new("roaming"), Path::new("local"), Path::new(entry)),
-                Path::new("roaming").join(entry)
-            );
-        }
-    }
-
-    #[cfg(not(target_os = "windows"))]
-    #[test]
-    fn unix_startup_does_not_migrate_even_if_given_distinct_roots() {
-        assert_eq!(dirs::data_dir(), dirs::data_local_dir());
-        let tmp = tempfile::tempdir().unwrap();
-        let old = tmp.path().join("old");
-        let new = tmp.path().join("new");
-        fs::create_dir_all(old.join("index")).unwrap();
-        migrate(&old, &new);
-        assert!(old.join("index").exists());
-        assert!(!new.exists());
-    }
-
-    #[test]
-    fn decisions_cover_missing_existing_and_failed_renames() {
-        assert_eq!(action(true, true, false), Action::Skip);
-        assert_eq!(action(false, false, false), Action::Skip);
-        assert_eq!(action(false, true, true), Action::Skip);
-        assert_eq!(action(false, true, false), Action::Rename);
-        assert_eq!(rename_failure(&io::Error::from(io::ErrorKind::CrossesDevices)), RenameFailure::Copy);
-        for kind in [io::ErrorKind::PermissionDenied, io::ErrorKind::AlreadyExists, io::ErrorKind::NotFound] {
-            assert_eq!(rename_failure(&io::Error::from(kind)), RenameFailure::KeepSource);
-        }
-    }
-
-    #[test]
-    fn same_volume_moves_and_second_start_does_not_overwrite() {
-        let tmp = tempfile::tempdir().unwrap();
-        let old = tmp.path().join("old");
-        let new = tmp.path().join("new");
-        fs::create_dir_all(old.join("tools/demo/bin")).unwrap();
-        let wrapper = format!("@echo off\r\n\"{}/payload.exe\" %*\r\n", old.join("tools/demo").display());
-        fs::write(old.join("tools/demo/bin/demo.cmd"), wrapper).unwrap();
-        fs::create_dir_all(old.join("tools/ty/venv")).unwrap();
-        fs::write(old.join("git-credentials.json"), "secret").unwrap();
-        fs::create_dir_all(old.join("index")).unwrap();
-        migrate_entries(&old, &new);
-        assert!(!old.join("tools/demo").exists());
-        assert!(old.join("tools/ty/venv").exists());
-        assert!(old.join("git-credentials.json").exists());
-        assert!(fs::read_to_string(new.join("tools/demo/bin/demo.cmd")).unwrap().contains("%~dp0.."));
-        fs::create_dir_all(old.join("index")).unwrap();
-        fs::write(old.join("index/legacy"), "old").unwrap();
-        migrate_entries(&old, &new);
-        assert!(old.join("index/legacy").exists());
-        assert!(!new.join("index/legacy").exists());
-    }
-
-    #[cfg(unix)]
-    #[test]
-    fn copy_failure_does_not_publish_or_remove_source() {
-        let tmp = tempfile::tempdir().unwrap();
-        let old = tmp.path().join("old");
-        let new = tmp.path().join("new");
-        fs::create_dir(&old).unwrap();
-        fs::write(old.join("payload"), "old").unwrap();
-        std::os::unix::fs::symlink(old.join("payload"), old.join("link")).unwrap();
-        assert!(copy_then_remove(&old, &new).is_err());
-        assert!(old.join("payload").exists());
-        assert!(!new.exists());
-        assert_eq!(fs::read_dir(tmp.path()).unwrap().count(), 1);
-    }
-
-    #[test]
-    fn staged_copy_publishes_complete_data_and_preserves_existing_target() {
-        let tmp = tempfile::tempdir().unwrap();
-        let old = tmp.path().join("old");
-        let new = tmp.path().join("new");
-        fs::create_dir_all(old.join("nested")).unwrap();
-        fs::write(old.join("nested/tool.exe"), "payload").unwrap();
-        copy_then_remove(&old, &new).unwrap();
-        assert!(!old.exists());
-        assert_eq!(fs::read_to_string(new.join("nested/tool.exe")).unwrap(), "payload");
-        fs::create_dir(&old).unwrap();
-        fs::write(old.join("legacy"), "old").unwrap();
-        copy_then_remove(&old, &new).unwrap();
-        assert!(old.join("legacy").exists());
-        assert!(!new.join("legacy").exists());
-        let old_file = tmp.path().join("registry-old.json");
-        let new_file = tmp.path().join("registry-new.json");
-        fs::write(&old_file, "cached registry").unwrap();
-        copy_then_remove(&old_file, &new_file).unwrap();
-        assert!(!old_file.exists());
-        assert_eq!(fs::read_to_string(new_file).unwrap(), "cached registry");
-    }
-
-    #[test]
-    fn publication_refuses_existing_files_and_empty_directories() {
-        let tmp = tempfile::tempdir().unwrap();
-        for directory in [false, true] {
-            let old = tmp.path().join(if directory { "old-dir" } else { "old-file" });
-            let new = tmp.path().join(if directory { "new-dir" } else { "new-file" });
-            if directory {
-                fs::create_dir(&old).unwrap();
-                fs::create_dir(&new).unwrap();
-                fs::write(old.join("payload"), "old").unwrap();
-            } else {
-                fs::write(&old, "old").unwrap();
-                fs::write(&new, "new").unwrap();
-            }
-            assert!(rename_missing(&old, &new).is_err());
-            assert!(old.exists() && new.exists());
-            if directory {
-                assert!(!new.join("payload").exists());
-            } else {
-                assert_eq!(fs::read_to_string(new).unwrap(), "new");
-            }
-        }
-    }
-
-    #[test]
-    fn wrapper_failure_keeps_the_old_installation() {
-        let tmp = tempfile::tempdir().unwrap();
-        let old = tmp.path().join("old/tools/demo");
-        let new = tmp.path().join("new/tools/demo");
-        fs::create_dir_all(old.join("bin")).unwrap();
-        fs::write(old.join("bin/demo.cmd"), [0xff, 0xfe]).unwrap();
-        assert!(try_rename(&old, &new).is_err());
-        assert!(old.join("bin/demo.cmd").exists());
-        assert!(!new.exists());
-    }
-
-    #[test]
-    fn failures_keep_source_without_publishing_partial_data() {
-        let tmp = tempfile::tempdir().unwrap();
-        let old = tmp.path().join("old");
-        let blocker = tmp.path().join("blocker");
-        fs::create_dir(&old).unwrap();
-        fs::write(old.join("payload"), "old").unwrap();
-        fs::write(&blocker, "file").unwrap();
-        assert!(try_rename(&old, &blocker.join("target")).is_err());
-        assert!(copy_then_remove(&old, &blocker.join("target")).is_err());
-        assert!(old.join("payload").exists());
-        assert!(copy_then_remove(&tmp.path().join("missing"), &tmp.path().join("new")).is_err());
-        assert!(!tmp.path().join("new").exists());
-        assert!(
-            !fs::read_dir(tmp.path())
-                .unwrap()
-                .flatten()
-                .any(|e| e.file_name().to_string_lossy().starts_with(".migration-"))
-        );
-    }
-}
@@ -44,7 +44,6 @@ struct State {
    project: Changes,
    /// Project roots whose `postStartCommand` ran in this process.
    post_started: HashSet<PathBuf>,
-    post_commands: std::collections::HashMap<PathBuf, CancellationToken>,
 }

 pub struct Environment {
@@ -79,12 +78,7 @@ impl Environment {

    pub(crate) fn project_closed(&self) {
        if self.project_env {
-            let mut state = self.state.lock();
-            for (_, token) in state.post_commands.drain() {
-                token.cancel();
-            }
-            state.project.clear();
-            drop(state);
+            self.state.lock().project.clear();
            self.publish();
        }
    }
@@ -150,7 +144,6 @@ impl Environment {
    /// a failure is a notification.
    pub(crate) fn spawn_post_start(&self, cmd: LifecycleCommand, root: PathBuf, sink: SharedSink) {
        let cancel = self.cancel.child_token();
-        self.state.lock().post_commands.insert(root.clone(), cancel.clone());
        let spawned = std::thread::Builder::new().name("openidea-post-start".into()).spawn(move || {
            run_post_start(&cmd, &root, &sink, &cancel);
        });
@@ -270,9 +263,6 @@ fn run_post_start(cmd: &LifecycleCommand, root: &Path, sink: &SharedSink, cancel
 /// Runs `argv` in `root` with the children's environment, its stdout and stderr line by line
 /// to `on_line`; `Err` says how it failed.
 fn run_one(argv: &[String], root: &Path, cancel: &CancellationToken, on_line: &dyn Fn(String)) -> Result<(), String> {
-    if cancel.is_cancelled() {
-        return Err("cancelled".into());
-    }
    let (program, args) = argv.split_first().ok_or("empty command")?;
    let mut child = ide_core::process::prepare(&mut Command::new(program))
        .args(args)
@@ -291,8 +281,7 @@ fn run_one(argv: &[String], root: &Path, cancel: &CancellationToken, on_line: &d
    for pipe in pipes.into_iter().flatten() {
        let tx = tx.clone();
        std::thread::spawn(move || {
-            for line in BufReader::new(pipe).split(b'\n').map_while(Result::ok) {
-                let line = ide_core::output_encoding::decode_tool_output(&line).trim_end_matches('\r').to_owned();
+            for line in BufReader::new(pipe).lines().map_while(Result::ok) {
                if tx.send(line).is_err() {
                    break;
                }
@@ -1,135 +0,0 @@
-//! Select the document's formatting provider before executing it on this host.
-
-use crate::Host;
-use ide_core::event::NotifyLevel;
-use ide_core::settings::PrettierSettings;
-use ide_core::{DocId, IdeError, IdeEvent, IdeResult, Range, TextEdit};
-use ide_language::FormatterConfig;
-use ide_lsp::types::FormatOptions;
-use ide_tools::{Tools, formatter};
-use std::path::Path;
-
-const OXFMT_CONFIGS: [&str; 4] = [".oxfmtrc.json", ".oxfmtrc.jsonc", "oxfmt.config.ts", "oxfmt.config.mts"];
-
-/// oxfmt below an oxfmt configuration file, else Prettier. The Prettier
-/// settings (languages, preference, on save) apply to both.
-fn external_tool(file: &Path) -> &'static str {
-    let oxfmt = OXFMT_CONFIGS.iter().any(|name| formatter::find_up(file, Path::new(name)).is_some());
-    if oxfmt { "oxfmt" } else { "prettier" }
-}
-
-fn external_selected(config: Option<&FormatterConfig>, language: &str, settings: &PrettierSettings, lsp: bool) -> bool {
-    config.is_some_and(|c| c.tool == "prettier")
-        && settings.languages.iter().any(|l| l == language)
-        && (settings.prefer || !lsp)
-}
-
-pub async fn format(
-    host: &Host,
-    window: &str,
-    doc: DocId,
-    range: Option<Range>,
-    options: FormatOptions,
-) -> IdeResult<Vec<TextEdit>> {
-    let project = host.project(window)?;
-    let snap = project.documents.snapshot(doc)?;
-    let settings = project.settings.effective();
-    let prettier = &settings.languages.prettier;
-    let language = project.languages.get(&snap.language);
-    let config = language.as_ref().and_then(|l| l.formatter.as_ref());
-    let candidate =
-        config.is_some_and(|c| c.tool == "prettier") && prettier.languages.iter().any(|l| l == snap.language.as_str());
-    let lsp = if candidate && !prettier.prefer { project.lsp.can_format(doc).await? } else { false };
-    if !external_selected(config, snap.language.as_str(), prettier, lsp) {
-        if options.on_save && !settings.editor.format_on_save {
-            return Ok(Vec::new());
-        }
-        return project.lsp.format(doc, range, options).await;
-    }
-    if options.on_save && !prettier.run_on_save {
-        return Ok(Vec::new());
-    }
-    host.require_trust(window)?;
-    if snap.read_only {
-        return Err(IdeError::invalid("The file is read-only"));
-    }
-    let config = config.unwrap().clone();
-    let tool = external_tool(&snap.path);
-    let name = formatter::display_name(tool);
-    let custom = ide_sdk::apply::setting_path(&project.root, &prettier.path).filter(|_| tool == "prettier");
-    let tools = Tools::new(&host.local_data_dir);
-    let whole_selection = range.is_some() && !formatter::supports_range(tool, &config);
-    let edits: IdeResult<Vec<TextEdit>> = tokio::task::spawn_blocking(move || {
-        let text = ide_text::Document::new(&snap.text);
-        let offsets = range.map(|r| (text.pos_to_offset(r.start), text.pos_to_offset(r.end)));
-        let mut command = tools.formatter_command(tool, &snap.path, custom.as_deref())?;
-        let dir = snap.path.parent().ok_or_else(|| IdeError::invalid(format!("{name}: file has no directory")))?;
-        command.current_dir(dir);
-        command.args(formatter::arguments(tool, &config, &snap.path, options.tab_size, options.insert_spaces, offsets));
-        let formatted = formatter::run(tool, command, &snap.text, &Default::default())?;
-        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())
-    })
-    .await
-    .map_err(|e| IdeError::internal(e.to_string()))?;
-    if edits.is_ok() && whole_selection {
-        project.sink.emit(IdeEvent::Notify {
-            level: NotifyLevel::Info,
-            title: name.into(),
-            body: Some(format!(
-                "{name} does not support selection formatting for this language; formatted the whole file"
-            )),
-        });
-    }
-    edits.map_err(|e| e.with_tool(tool))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn language_enablement_and_preference_preserve_lsp_formatters() {
-        let languages = ide_language::LanguageRegistry::load(None).unwrap();
-        let mut settings = PrettierSettings::default();
-        for lang in languages.all() {
-            for lsp in [false, true] {
-                let configured = lang.formatter.as_ref().is_some_and(|f| f.tool == "prettier");
-                assert_eq!(
-                    external_selected(lang.formatter.as_ref(), lang.id.as_str(), &settings, lsp),
-                    configured && !lsp,
-                    "{}",
-                    lang.id
-                );
-            }
-        }
-        let ts = languages.get(&ide_core::LanguageId::new("typescript")).unwrap();
-        settings.prefer = true;
-        assert!(external_selected(ts.formatter.as_ref(), "typescript", &settings, true));
-        settings.languages.clear();
-        assert!(!external_selected(ts.formatter.as_ref(), "typescript", &settings, false));
-        assert!(!external_selected(None, "rust", &settings, false));
-    }
-
-    #[test]
-    fn oxfmt_config_selects_oxfmt_over_prettier() {
-        let dir = tempfile::tempdir().unwrap();
-        let root = dir.path();
-        std::fs::create_dir_all(root.join("web/src")).unwrap();
-        let (web, api) = (root.join("web/src/app.ts"), root.join("api/main.ts"));
-        assert_eq!(external_tool(&web), "prettier");
-        for config in OXFMT_CONFIGS {
-            std::fs::write(root.join("web").join(config), "{}").unwrap();
-            assert_eq!(external_tool(&web), "oxfmt", "{config}");
-            assert_eq!(external_tool(&api), "prettier", "{config}");
-            std::fs::remove_file(root.join("web").join(config)).unwrap();
-        }
-    }
-}
@@ -1,183 +0,0 @@
-//! Automatic runtime provisioning belongs to the host, not SDK discovery.
-use ide_core::{CancellationToken, IdeEvent, SharedSink, TaskId};
-use ide_language::LanguageServerConfig;
-use ide_sdk::java::{jdtls_jdks, jdtls_min_java, jdtls_runtime, language_server_runtimes_dir};
-use parking_lot::{Condvar, Mutex};
-use std::collections::HashSet;
-use std::path::{Path, PathBuf};
-use std::sync::{Arc, LazyLock, Weak};
-use std::time::Duration;
-
-#[derive(Default)]
-struct State {
-    busy: bool,
-    sinks: Vec<Weak<dyn ide_core::EventSink>>,
-    attempted: HashSet<(PathBuf, u32)>,
-}
-
-#[derive(Default)]
-struct Provisioner {
-    state: Mutex<State>,
-    changed: Condvar,
-}
-
-static PROVISIONER: LazyLock<Provisioner> = LazyLock::new(Provisioner::default);
-
-fn needs_download(explicit: bool, suitable: bool, attempted: bool) -> bool {
-    !explicit && !suitable && !attempted
-}
-
-impl Provisioner {
-    fn subscribe(&self, sink: &SharedSink) {
-        let mut state = self.state.lock();
-        state.sinks.retain(|s| s.strong_count() > 0);
-        let weak = Arc::downgrade(sink);
-        if !state.sinks.iter().any(|s| s.ptr_eq(&weak)) {
-            state.sinks.push(weak);
-        }
-    }
-
-    fn emit(&self, event: IdeEvent) {
-        let sinks: Vec<_> = self.state.lock().sinks.iter().filter_map(Weak::upgrade).collect();
-        for sink in sinks {
-            sink.emit(event.clone());
-        }
-    }
-
-    fn run(&self, key: (PathBuf, u32), cancel: &CancellationToken, work: impl FnOnce()) {
-        let mut state = self.state.lock();
-        while state.busy && !cancel.is_cancelled() {
-            self.changed.wait_for(&mut state, Duration::from_millis(100));
-        }
-        if cancel.is_cancelled() || !state.attempted.insert(key) {
-            return;
-        }
-        state.busy = true;
-        drop(state);
-        // Even a panicking installer must release waiters and retain the attempt.
-        struct Flight<'a>(&'a Provisioner);
-        impl Drop for Flight<'_> {
-            fn drop(&mut self) {
-                self.0.state.lock().busy = false;
-                self.0.changed.notify_all();
-            }
-        }
-        let _flight = Flight(self);
-        work();
-    }
-}
-
-pub(crate) fn prepare(
-    cfg: &LanguageServerConfig,
-    data_dir: &Path,
-    explicit: bool,
-    sink: &SharedSink,
-    launch_cancel: &CancellationToken,
-) {
-    let min_java = jdtls_min_java(cfg);
-    let jdks = jdtls_jdks(min_java, data_dir);
-    // A launch environment override is explicit too, even if it is invalid.
-    if !needs_download(explicit || cfg.env.contains_key("JAVA_HOME"), jdtls_runtime(&jdks, min_java).is_some(), false) {
-        return;
-    }
-    PROVISIONER.subscribe(sink);
-    PROVISIONER.run((data_dir.to_path_buf(), min_java), launch_cancel, || {
-        if jdtls_runtime(&jdtls_jdks(min_java, data_dir), min_java).is_some() {
-            return;
-        }
-        let id = TaskId::next();
-        let title = format!("Downloading Java {min_java} language server runtime");
-        // Closing one project must not cancel a download other projects await.
-        let cancel = CancellationToken::new();
-        let _handle = ide_core::task::on_cancel(id, {
-            let cancel = cancel.clone();
-            move || cancel.cancel()
-        });
-        let emit = |message, fraction, done| {
-            PROVISIONER.emit(IdeEvent::Task { id, title: title.clone(), message, fraction, done, cancellable: !done });
-        };
-        emit(Some("Eclipse Temurin".into()), None, false);
-        let result = ide_tools::Tools::new(data_dir).download_java_runtime(
-            min_java,
-            &language_server_runtimes_dir(data_dir),
-            &cancel,
-            &|event| match event {
-                ide_tools::InstallEvent::Line { text } => emit(Some(text), None, false),
-                ide_tools::InstallEvent::Progress { fraction, message } => {
-                    emit(Some(message), fraction.map(|f| f as f32), false)
-                }
-            },
-        );
-        emit(result.as_ref().err().map(ToString::to_string), Some(1.0), true);
-        if let Err(error) = result {
-            // The configuration hook retains the existing manual download action.
-            tracing::warn!("automatic jdtls runtime download: {error}");
-        }
-    });
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use std::sync::atomic::{AtomicUsize, Ordering};
-
-    #[test]
-    fn download_decision() {
-        assert!(needs_download(false, false, false));
-        for (explicit, suitable, attempted) in [(true, false, false), (false, true, false), (false, false, true)] {
-            assert!(!needs_download(explicit, suitable, attempted));
-        }
-    }
-
-    #[test]
-    fn simultaneous_projects_share_one_attempt_and_failures_do_not_retry() {
-        let provisioner = Provisioner::default();
-        let calls = AtomicUsize::new(0);
-        let barrier = std::sync::Barrier::new(8);
-        std::thread::scope(|scope| {
-            for _ in 0..8 {
-                scope.spawn(|| {
-                    barrier.wait();
-                    provisioner.run((PathBuf::from("/data"), 25), &CancellationToken::new(), || {
-                        calls.fetch_add(1, Ordering::SeqCst);
-                        std::thread::sleep(Duration::from_millis(30));
-                    });
-                });
-            }
-        });
-        provisioner.run((PathBuf::from("/data"), 25), &CancellationToken::new(), || panic!("retried"));
-        assert_eq!(calls.load(Ordering::SeqCst), 1);
-    }
-
-    #[test]
-    fn different_versions_are_still_single_flight() {
-        let provisioner = Provisioner::default();
-        let active = AtomicUsize::new(0);
-        let calls = AtomicUsize::new(0);
-        std::thread::scope(|scope| {
-            for feature in [25, 26, 27] {
-                let provisioner = &provisioner;
-                let active = &active;
-                let calls = &calls;
-                scope.spawn(move || {
-                    provisioner.run((PathBuf::from("/data"), feature), &CancellationToken::new(), || {
-                        assert_eq!(active.fetch_add(1, Ordering::SeqCst), 0);
-                        std::thread::sleep(Duration::from_millis(10));
-                        calls.fetch_add(1, Ordering::SeqCst);
-                        active.fetch_sub(1, Ordering::SeqCst);
-                    });
-                });
-            }
-        });
-        assert_eq!(calls.load(Ordering::SeqCst), 3);
-    }
-
-    #[test]
-    fn cancelled_waiter_does_not_consume_an_attempt() {
-        let provisioner = Provisioner::default();
-        let cancel = CancellationToken::new();
-        cancel.cancel();
-        provisioner.run((PathBuf::from("/data"), 25), &cancel, || panic!("cancelled"));
-        assert!(provisioner.state.lock().attempted.is_empty());
-    }
-}
@@ -1,429 +0,0 @@
-//! Saved Kotlin -> isolated Maven output -> marked JDT libraries.
-
-use ide_build::kotlin_bridge::{self, Outcome, ProjectLibraries};
-use ide_core::event::NotifyLevel;
-use ide_core::{CancellationToken, Diagnostic, IdeEvent, Pos, Range, Severity, SharedSink};
-use ide_lsp::LspManager;
-use ide_workspace::SettingsStore;
-use ide_workspace::documents::DocumentObserver;
-use parking_lot::Mutex;
-use serde::{Deserialize, Serialize};
-use std::collections::BTreeSet;
-use std::path::{Path, PathBuf};
-use std::sync::{
-    Arc,
-    atomic::{AtomicBool, Ordering},
-};
-use std::time::Duration;
-use tokio::sync::Notify;
-
-const DELAY: Duration = Duration::from_millis(750);
-const SOURCE: &str = "kotlin-bridge";
-const COMMAND: &str = "openidea.kotlin.replace";
-
-#[derive(Default)]
-struct Revision {
-    generation: u64,
-    cancel: CancellationToken,
-}
-
-impl Revision {
-    fn change(&mut self) {
-        self.cancel.cancel();
-        self.generation += 1;
-        self.cancel = CancellationToken::new();
-    }
-    fn current(&self, generation: u64) -> bool {
-        self.generation == generation && !self.cancel.is_cancelled()
-    }
-}
-
-#[derive(Clone, Default, Serialize, Deserialize)]
-struct MavenOptions {
-    offline: bool,
-    profiles: Vec<String>,
-}
-
-pub(crate) struct KotlinBridge {
-    root: PathBuf,
-    cache: PathBuf,
-    bundle: Option<PathBuf>,
-    settings: Arc<SettingsStore>,
-    lsp: Arc<LspManager>,
-    sink: SharedSink,
-    trusted: Arc<AtomicBool>,
-    lifetime: CancellationToken,
-    revision: Mutex<Revision>,
-    changed: Notify,
-    options: Mutex<MavenOptions>,
-    worker: Mutex<Option<tokio::task::JoinHandle<()>>>,
-}
-
-impl KotlinBridge {
-    pub(crate) fn new(
-        root: PathBuf,
-        cache: PathBuf,
-        data: &Path,
-        settings: Arc<SettingsStore>,
-        lsp: Arc<LspManager>,
-        sink: SharedSink,
-        trusted: Arc<AtomicBool>,
-    ) -> Arc<Self> {
-        let options = std::fs::read(cache.join("kotlin-bridge-options.json"))
-            .ok()
-            .and_then(|bytes| serde_json::from_slice(&bytes).ok())
-            .unwrap_or_default();
-        Arc::new(Self {
-            root,
-            cache,
-            bundle: ide_sdk::java::kotlin_bridge_bundle(data),
-            settings,
-            lsp,
-            sink,
-            trusted,
-            lifetime: CancellationToken::new(),
-            revision: Mutex::new(Revision::default()),
-            changed: Notify::new(),
-            options: Mutex::new(options),
-            worker: Mutex::new(None),
-        })
-    }
-
-    pub(crate) fn start(self: &Arc<Self>, runtime: &tokio::runtime::Handle) {
-        let bridge = self.clone();
-        *self.worker.lock() = Some(runtime.spawn(async move { bridge.run().await }));
-        self.schedule();
-    }
-
-    pub(crate) fn configure_maven(&self, offline: bool, profiles: Vec<String>) {
-        let options = MavenOptions { offline, profiles };
-        if let Ok(bytes) = serde_json::to_vec(&options) {
-            let _ = std::fs::create_dir_all(&self.cache);
-            let _ = std::fs::write(self.cache.join("kotlin-bridge-options.json"), bytes);
-        }
-        *self.options.lock() = options;
-        self.schedule();
-    }
-
-    pub(crate) async fn shutdown(&self) {
-        self.stop();
-        let worker = self.worker.lock().take();
-        if let Some(worker) = worker {
-            let _ = worker.await;
-        }
-    }
-
-    pub(crate) fn schedule(&self) {
-        if self.lifetime.is_cancelled() {
-            return;
-        }
-        self.revision.lock().change();
-        self.changed.notify_one();
-    }
-
-    pub(crate) fn files_changed<'a>(&self, mut paths: impl Iterator<Item = &'a PathBuf>) {
-        let settings = self.settings.effective();
-        if paths.any(|path| relevant_change(&self.root, path, &settings)) {
-            self.schedule();
-        }
-    }
-
-    pub(crate) fn stop(&self) {
-        self.lifetime.cancel();
-        self.revision.lock().cancel.cancel();
-    }
-
-    async fn replace(&self, projects: &[ProjectLibraries], cancel: &CancellationToken) -> ide_core::IdeResult<()> {
-        let snapshot = serde_json::to_value(projects).map_err(|e| ide_core::IdeError::internal(e.to_string()))?;
-        let response = self.lsp.jdtls_command_cancellable(&self.root, COMMAND, vec![snapshot], cancel).await?;
-        if response.as_u64().is_none() {
-            return Err(ide_core::IdeError::unavailable(
-                "Kotlin bridge command did not acknowledge its library snapshot",
-            ));
-        }
-        Ok(())
-    }
-
-    async fn run(self: Arc<Self>) {
-        let mut diagnostics = BTreeSet::new();
-        let mut last_failure = String::new();
-        let mut initialized = false;
-        // Also retain directories from unacknowledged replacements: JDT may have applied them.
-        let mut published = Vec::new();
-        loop {
-            tokio::select! {
-                _ = self.lifetime.cancelled() => return,
-                _ = self.changed.notified() => {},
-            }
-            let (generation, cancel) = {
-                let state = self.revision.lock();
-                (state.generation, state.cancel.clone())
-            };
-            if !self.trusted.load(Ordering::Acquire) {
-                continue;
-            }
-            if !debounce(&cancel, &self.lifetime).await {
-                continue;
-            }
-            let root = self.root.clone();
-            let cache = self.cache.clone();
-            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);
-                (model, enabled)
-            })
-            .await;
-            let Ok((mut model, enabled)) = has_sources else { continue };
-            if !self.revision.lock().current(generation) {
-                continue;
-            }
-            if !enabled {
-                if self.cache.join("kotlin-bridge").exists()
-                    && let Err(error) = self.replace(&[], &cancel).await
-                {
-                    if !cancel.is_cancelled() {
-                        tracing::warn!("Kotlin library withdrawal: {error}");
-                    }
-                    continue;
-                }
-                for old in published.drain(..) {
-                    remove_directory(old).await;
-                }
-                self.clear_diagnostics(&mut diagnostics);
-                last_failure.clear();
-                continue;
-            }
-            if let Some(maven) = &mut model.maven {
-                let options = self.options.lock();
-                for module in &mut maven.projects {
-                    if options.offline {
-                        module.options.push("-o".into());
-                    }
-                    if !options.profiles.is_empty() {
-                        module.options.push(format!("-P{}", options.profiles.join(",")));
-                    }
-                }
-            }
-            let Some(bundle) = self.bundle.clone() else {
-                self.failure("Kotlin bridge bundle is unavailable".into(), &mut diagnostics, &mut last_failure);
-                continue;
-            };
-            // Clear entries persisted by an earlier incarnation only before our first build.
-            if !initialized {
-                if let Err(error) = self.replace(&[], &cancel).await {
-                    if !cancel.is_cancelled() {
-                        self.failure(error.message, &mut diagnostics, &mut last_failure);
-                    }
-                    continue;
-                }
-                initialized = true;
-            }
-            let directory = self.cache.join(format!("kotlin-bridge/{}", uuid::Uuid::new_v4()));
-            let staging = directory.clone();
-            let root = self.root.clone();
-            let token = cancel.clone();
-            let result =
-                tokio::task::spawn_blocking(move || kotlin_bridge::build(&root, &model, &bundle, &staging, &token))
-                    .await;
-            if !self.revision.lock().current(generation) || self.lifetime.is_cancelled() {
-                remove_directory(directory).await;
-                continue;
-            }
-            match result {
-                Ok(Ok(Outcome { success: true, projects, .. })) => {
-                    match self.replace(&projects, &cancel).await {
-                        Ok(()) => {
-                            for old in published.drain(..) {
-                                remove_directory(old).await;
-                            }
-                            published.push(directory);
-                            self.clear_diagnostics(&mut diagnostics);
-                            last_failure.clear();
-                        }
-                        Err(error) => {
-                            // Keep both snapshots until an acknowledged replacement.
-                            published.push(directory);
-                            if !cancel.is_cancelled() {
-                                self.failure(error.message, &mut diagnostics, &mut last_failure);
-                            }
-                        }
-                    }
-                }
-                other => {
-                    let text = match other {
-                        Ok(Ok(outcome)) => outcome
-                            .messages
-                            .iter()
-                            .filter(|m| m.severity == Severity::Error)
-                            .map(|m| m.text.as_str())
-                            .collect::<Vec<_>>()
-                            .join("\n"),
-                        Ok(Err(error)) => error.message,
-                        Err(error) => error.to_string(),
-                    };
-                    self.failure(text, &mut diagnostics, &mut last_failure);
-                    remove_directory(directory).await;
-                }
-            }
-        }
-    }
-
-    fn clear_diagnostics(&self, paths: &mut BTreeSet<PathBuf>) {
-        for path in std::mem::take(paths) {
-            self.sink.emit(IdeEvent::Diagnostics { path: path.into(), source: SOURCE.into(), items: Vec::new() });
-        }
-    }
-
-    fn failure(&self, text: String, paths: &mut BTreeSet<PathBuf>, previous: &mut String) {
-        let text = if text.is_empty() { "Kotlin compilation failed".to_owned() } else { text };
-        let text = format!("{text}\nJava temporarily uses the last successfully compiled Kotlin API.");
-        self.clear_diagnostics(paths);
-        let path = self.root.join("pom.xml");
-        paths.insert(path.clone());
-        self.sink.emit(IdeEvent::Diagnostics {
-            path: path.into(),
-            source: SOURCE.into(),
-            items: vec![Diagnostic {
-                range: Range { start: Pos { line: 0, col: 0 }, end: Pos { line: 0, col: 0 } },
-                severity: Severity::Error,
-                message: text.clone(),
-                source: Some(SOURCE.into()),
-                server: Some(SOURCE.into()),
-                code: None,
-                unnecessary: false,
-                deprecated: false,
-            }],
-        });
-        if previous != &text {
-            self.sink.emit(IdeEvent::Notify {
-                level: NotifyLevel::Error,
-                title: "Kotlin editor compilation failed".into(),
-                body: Some(text.clone()),
-            });
-            *previous = text;
-        }
-    }
-}
-
-fn relevant_change(root: &Path, path: &Path, settings: &ide_core::settings::Settings) -> bool {
-    let input = path.extension().is_some_and(|e| e == "kt")
-        || path.file_name().is_some_and(|n| n == "pom.xml" || n == "mvnw" || n == "mvnw.cmd")
-        || path.components().any(|c| c.as_os_str() == ".mvn");
-    let Ok(relative) = path.strip_prefix(root) else {
-        // Content roots outside the project only contribute Kotlin sources.
-        return path.extension().is_some_and(|e| e == "kt");
-    };
-    // Build outputs and generated sources (e.g. KSP's `.kt` under target/) never trigger,
-    // so a build cannot schedule itself.
-    if relative.components().any(|c| {
-        matches!(
-            c.as_os_str().to_str(),
-            Some("target" | "build" | "out" | "bin" | ".git" | "node_modules" | ".openidea")
-        )
-    }) || ide_vfs::ExcludeMatcher::new(&settings.exclude_globs()).is_excluded(relative)
-    {
-        return false;
-    }
-    if input {
-        return true;
-    }
-    if path.extension().is_some() {
-        return false;
-    }
-    // Works for deleted directories too; the module POM remains on disk.
-    path.ancestors().take_while(|ancestor| ancestor.starts_with(root)).any(|ancestor| {
-        ancestor.file_name().is_some_and(|name| name == "src")
-            && ancestor.parent().is_some_and(|module| module.join("pom.xml").is_file())
-    })
-}
-
-async fn debounce(cancel: &CancellationToken, lifetime: &CancellationToken) -> bool {
-    tokio::select! {
-        _ = lifetime.cancelled() => false,
-        _ = cancel.cancelled() => false,
-        _ = tokio::time::sleep(DELAY) => true,
-    }
-}
-
-async fn remove_directory(path: PathBuf) {
-    let _ = tokio::task::spawn_blocking(move || std::fs::remove_dir_all(path)).await;
-}
-
-impl DocumentObserver for KotlinBridge {
-    fn saved(&self, _doc: ide_core::DocId, path: &Path, _text: &str) {
-        self.files_changed(std::iter::once(&path.to_path_buf()));
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn target_package_directory_does_not_trigger() {
-        let dir = tempfile::tempdir().unwrap();
-        std::fs::write(dir.path().join("pom.xml"), "").unwrap();
-        assert!(!relevant_change(dir.path(), &dir.path().join("target/classes/probe"), &Default::default()));
-        let generated = dir.path().join("target/generated-sources/ksp/main/kotlin/Gen.kt");
-        assert!(!relevant_change(dir.path(), &generated, &Default::default()));
-        assert!(relevant_change(dir.path(), &dir.path().join("src/main/kotlin/A.kt"), &Default::default()));
-    }
-
-    #[test]
-    fn deleted_source_package_triggers_unless_excluded() {
-        let dir = tempfile::tempdir().unwrap();
-        std::fs::create_dir_all(dir.path().join("module")).unwrap();
-        std::fs::write(dir.path().join("module/pom.xml"), "").unwrap();
-        let path = dir.path().join("module/src/main/kotlin/pkg");
-        let mut settings = ide_core::settings::Settings::default();
-        assert!(relevant_change(dir.path(), &path, &settings));
-        settings.project_structure.excluded.push("module/src/main/kotlin".into());
-        assert!(!relevant_change(dir.path(), &path, &settings));
-        assert!(!relevant_change(dir.path(), &dir.path().join("module/src/build/pkg"), &Default::default()));
-    }
-
-    #[test]
-    fn extensionless_root_file_does_not_trigger() {
-        let dir = tempfile::tempdir().unwrap();
-        std::fs::write(dir.path().join("pom.xml"), "").unwrap();
-        assert!(!relevant_change(dir.path(), &dir.path().join("LICENSE"), &Default::default()));
-    }
-
-    #[tokio::test(start_paused = true)]
-    async fn burst_saves_cancel_the_pending_debounce() {
-        let mut state = Revision::default();
-        state.change();
-        let token = state.cancel.clone();
-        let lifetime = CancellationToken::new();
-        let pending_lifetime = lifetime.clone();
-        let waiting = tokio::spawn(async move { debounce(&token, &pending_lifetime).await });
-        tokio::task::yield_now().await;
-        tokio::time::advance(DELAY - Duration::from_millis(1)).await;
-        assert!(!waiting.is_finished());
-        for _ in 0..20 {
-            state.change();
-        }
-        assert!(!waiting.await.unwrap());
-        let current = state.generation;
-        assert!(debounce(&state.cancel, &lifetime).await);
-        assert!(state.current(current));
-        lifetime.cancel();
-        assert!(!debounce(&state.cancel, &lifetime).await);
-    }
-
-    #[test]
-    fn superseded_and_cancelled_builds_cannot_publish() {
-        let mut state = Revision::default();
-        state.change();
-        let first = state.generation;
-        let token = state.cancel.clone();
-        state.change();
-        assert!(token.is_cancelled());
-        assert!(!state.current(first));
-        assert!(state.current(state.generation));
-        state.cancel.cancel();
-        assert!(!state.current(state.generation));
-    }
-}
@@ -3,19 +3,13 @@
 //! wraps one [`Host`] and adds windows, menus and plugins; `openidea-server`
 //! runs one on a remote machine and serves it over JSON-RPC ([`rpc`]).

-pub mod data_dirs;
 pub mod environment;
-mod formatter;
-mod java_runtime;
-mod kotlin_bridge;
-pub mod notebook;
 pub mod ops;
 mod project;
 mod proxy;
 mod requests;
 pub mod rpc;
 pub mod shell_env;
-pub mod trust;

 pub use project::{Project, apply_git_executable, apply_workspace_edit, history_retention};

@@ -34,10 +28,7 @@ pub type SinkFactory = Box<dyn Fn(&str) -> SharedSink + Send + Sync>;

 pub struct HostConfig {
    pub config_dir: PathBuf,
-    /// Persistent user state, including credentials and recovery history.
    pub data_dir: PathBuf,
-    /// Machine-local tools and rebuildable caches.
-    pub local_data_dir: PathBuf,
    pub languages: Arc<LanguageRegistry>,
    /// Grammars, possibly still being built on another thread.
    pub syntax: Arc<OnceLock<Arc<Syntax>>>,
@@ -51,16 +42,11 @@ pub struct HostConfig {
 }

 pub struct Host {
-    pub trust: trust::TrustStore,
    pub config_dir: PathBuf,
-    /// Persistent user state, including credentials and recovery history.
    pub data_dir: PathBuf,
-    /// Machine-local tools and rebuildable caches.
-    pub local_data_dir: PathBuf,
    pub languages: Arc<LanguageRegistry>,
    syntax: Arc<OnceLock<Arc<Syntax>>>,
    pub global_settings: SettingsStore,
-    pub dependency_versions: Arc<ide_workspace::dependencies::VersionCache>,
    pub terminals: TerminalManager,
    pub processes: ProcessManager,
    /// Debug sessions (adapters run on this machine, next to the project).
@@ -79,35 +65,21 @@ pub struct Host {
    /// One project per window, keyed by window label.
    projects: RwLock<HashMap<String, Arc<Project>>>,
    requests: requests::Requests,
-    project_requests: RwLock<HashMap<String, Vec<RequestId>>>,
 }

 impl Host {
    pub fn new(config: HostConfig) -> Self {
-        let HostConfig {
-            config_dir,
-            data_dir,
-            local_data_dir,
-            languages,
-            syntax,
-            sink_for,
-            owner,
-            runtime,
-            project_environment,
-        } = config;
+        let HostConfig { config_dir, data_dir, languages, syntax, sink_for, owner, runtime, project_environment } =
+            config;
        let global_settings = SettingsStore::load(&config_dir, None);
        let ssh = Arc::new(ide_ssh::SshManager::new(data_dir.join("ssh-passwords.json")));
        ssh.set_configs(global_settings.effective().ssh.configs);
        let host = Self {
-            trust: trust::TrustStore::load(&config_dir, &data_dir),
            proxy_password: ide_ssh::secrets::SecretFile::new(data_dir.join("proxy-password.json")),
            remote: Arc::new(ide_remote::RemoteService::new(ssh.clone(), data_dir.join("remote"))),
            ssh,
-            environment: environment::Environment::new(project_environment, local_data_dir.clone()),
+            environment: environment::Environment::new(project_environment, data_dir.clone()),
            global_settings,
-            dependency_versions: Arc::new(ide_workspace::dependencies::VersionCache::new(
-                data_dir.join("cache/dependency-versions"),
-            )),
            // Sessions, runs and terminals report to the window that started them (`window_sink`).
            terminals: TerminalManager::new(),
            processes: ProcessManager::new(),
@@ -116,13 +88,11 @@ impl Host {
            syntax,
            config_dir,
            data_dir,
-            local_data_dir,
            sink_for,
            owner,
            runtime,
            projects: RwLock::default(),
            requests: Default::default(),
-            project_requests: RwLock::default(),
        };
        host.apply_proxy();
        host
@@ -147,10 +117,6 @@ impl Host {
            .ok_or_else(|| IdeError::not_found("no project is open in this window"))
    }

-    pub fn require_trust(&self, window: &str) -> IdeResult<()> {
-        self.project(window)?.require_trust()
-    }
-
    /// The window that owns what `window` starts.
    pub fn owner_window<'a>(&self, window: &'a str) -> &'a str {
        (self.owner)(window)
@@ -166,129 +132,26 @@ impl Host {
    }

    pub fn close_project(&self, window: &str) {
-        let project = self.projects.write().remove(window);
-        if let Some(project) = project {
+        if let Some(project) = self.projects.write().remove(window) {
            if !project.light {
                self.environment.project_closed();
            }
-            if let Some(bridge) = &project.kotlin_bridge {
-                bridge.stop();
-            }
-            project.documents.clear_workspace_edit_history();
            project.agents.shutdown();
-            project.notebooks.stop_admission();
-            // What the closing window started goes with it — the builds and searches it
-            // asked for, its runs, its shells and its debug sessions — and the language
-            // servers finish shutting down before the window is gone, as IDEA closes a
-            // project's processes.
-            for request in self.project_requests.write().remove(self.owner_window(window)).unwrap_or_default() {
-                self.cancel_request(request);
-            }
-            self.processes.kill_project(&project.root);
-            self.terminals.kill_key(self.owner_window(window));
-            self.shutdown_project_workers_blocking(
-                vec![project.notebooks.clone()],
-                project.kotlin_bridge.iter().cloned().collect(),
-                Some(project.lsp.clone()),
-                Some((self.debugger.clone(), window.to_owned())),
-            );
+            let lsp = project.lsp.clone();
+            self.runtime.spawn(async move { lsp.shutdown_all().await });
        }
    }

-    /// Synchronous project/window destruction must finish owned kernel cleanup,
-    /// not enqueue work which can be lost as the desktop runtime exits.
-    fn shutdown_project_workers_blocking(
-        &self,
-        notebooks: Vec<Arc<notebook::NotebookService>>,
-        bridges: Vec<Arc<kotlin_bridge::KotlinBridge>>,
-        lsp: Option<Arc<ide_lsp::LspManager>>,
-        debug: Option<(Arc<ide_dap::DebugManager>, String)>,
-    ) {
-        for bridge in &bridges {
-            bridge.stop();
-        }
-        for service in &notebooks {
-            service.stop_admission();
-        }
-        let runtime = self.runtime.clone();
-        let wait = move || {
-            let worker = std::thread::spawn(move || {
-                runtime.block_on(async move {
-                    for bridge in bridges {
-                        bridge.shutdown().await;
-                    }
-                    for service in notebooks {
-                        service.shutdown().await;
-                    }
-                    if let Some(lsp) = lsp {
-                        lsp.shutdown_all().await;
-                    }
-                    if let Some((debug, key)) = debug {
-                        debug.stop_key(&key).await;
-                    }
-                });
-            });
-            if let Err(error) = worker.join() {
-                tracing::error!("notebook shutdown thread failed: {error:?}");
-            }
-        };
-        if tokio::runtime::Handle::try_current()
-            .is_ok_and(|handle| handle.runtime_flavor() == tokio::runtime::RuntimeFlavor::MultiThread)
-        {
-            tokio::task::block_in_place(wait);
-        } else {
-            wait();
-        }
-    }
-
-    /// Called before the desktop runtime exits, including update/restart exits.
-    pub fn shutdown_notebooks_on_exit(&self) {
-        let projects = self.projects();
-        self.shutdown_project_workers_blocking(
-            projects.iter().map(|project| project.notebooks.clone()).collect(),
-            projects.iter().filter_map(|project| project.kotlin_bridge.clone()).collect(),
-            None,
-            None,
-        );
-    }
-
-    /// Called before desktop exit, which may bypass document destructors.
-    pub fn clear_workspace_edit_history_on_exit(&self) {
-        for project in self.projects() {
-            project.documents.clear_workspace_edit_history();
-        }
-    }
-
-    /// Stops what this host started: notebook kernels, language servers, agents, runs and terminals.
+    /// Stops what this host started: language servers, agents, runs and terminals.
    /// For a process that exits without dropping the host (the remote server).
    pub async fn shutdown(&self) {
        self.environment.shutdown();
        self.processes.kill_all();
        self.terminals.kill_all();
        let projects: Vec<_> = self.projects.write().drain().map(|(_, p)| p).collect();
-        for project in &projects {
-            if let Some(bridge) = &project.kotlin_bridge {
-                bridge.stop();
-            }
-            project.documents.clear_workspace_edit_history();
-            project.notebooks.stop_admission();
+        for project in projects {
            project.agents.shutdown();
-        }
-        // Kernel cleanup owns its interrupt/termination/reaping deadlines. An
-        // outer LSP timeout must never abort it before owned children are reaped.
-        for project in &projects {
-            if let Some(bridge) = &project.kotlin_bridge {
-                bridge.shutdown().await;
-            }
-            project.notebooks.shutdown().await;
-        }
-        let stop_language_servers = async {
-            for project in &projects {
-                project.lsp.shutdown_all().await;
-            }
-        };
-        if tokio::time::timeout(std::time::Duration::from_secs(10), stop_language_servers).await.is_err() {
-            tracing::warn!("language servers did not shut down in time");
+            project.lsp.shutdown_all().await;
        }
    }

@@ -298,19 +161,7 @@ impl Host {
        self.requests.begin(id)
    }

-    pub fn begin_project_request(&self, window: &str, id: RequestId) -> CancellationToken {
-        let token = self.begin_request(id);
-        self.project_requests.write().entry(self.owner_window(window).to_owned()).or_default().push(id);
-        if self.project(window).is_ok_and(|p| !p.is_trusted()) {
-            token.cancel();
-        }
-        token
-    }
-
    pub fn end_request(&self, id: RequestId) {
-        for ids in self.project_requests.write().values_mut() {
-            ids.retain(|entry| *entry != id);
-        }
        self.requests.end(id);
    }

@@ -1,814 +0,0 @@
-//! Project-incarnation notebook ownership and whole-batch execution admission.
-use crate::ops::Channel;
-use ide_core::error::ErrorKind;
-use ide_core::{CancellationToken, IdeError, IdeEvent, IdeResult, SharedSink};
-use ide_notebook::kernel::{KernelManager, KernelOutput};
-use ide_notebook::{NotebookDocument, NotebookEdit, NotebookSnapshot};
-use parking_lot::Mutex;
-use serde::Serialize;
-use specta::Type;
-use std::collections::{HashMap, HashSet};
-use std::path::{Path, PathBuf};
-use std::sync::Arc;
-use std::time::Duration;
-use tokio::sync::{Mutex as AsyncMutex, watch};
-
-#[derive(Clone, Debug, Serialize, Type)]
-#[serde(rename_all = "camelCase")]
-pub struct NotebookOutputEvent {
-    pub id: String,
-    pub path: String,
-    pub cell: String,
-    pub msg_id: String,
-    pub kind: String,
-    #[specta(type = specta_typescript::Unknown)]
-    pub content: serde_json::Value,
-    pub version: u32,
-    pub dirty: bool,
-    pub changed_cells: Vec<String>,
-}
-
-#[derive(Default)]
-struct Registry {
-    stopped: bool,
-    paths: HashMap<PathBuf, String>,
-    documents: HashMap<String, Arc<ManagedDocument>>,
-}
-
-struct ManagedDocument {
-    id: String,
-    path: PathBuf,
-    state: Mutex<DocumentState>,
-    control: AsyncMutex<()>,
-}
-
-struct DocumentState {
-    document: NotebookDocument,
-    generation: u64,
-    transitioning: bool,
-    closed: bool,
-    active: Option<Arc<Batch>>,
-    kernel_status: Option<(String, Option<String>)>,
-}
-
-struct Batch {
-    cancel: CancellationToken,
-    done: watch::Sender<bool>,
-}
-
-struct BatchGuard {
-    document: Arc<ManagedDocument>,
-    batch: Arc<Batch>,
-}
-
-pub(crate) struct ExecutionAdmission {
-    guard: BatchGuard,
-    generation: u64,
-    plan: Vec<(String, String)>,
-}
-
-impl Drop for BatchGuard {
-    fn drop(&mut self) {
-        let mut state = self.document.state.lock();
-        if state.active.as_ref().is_some_and(|active| Arc::ptr_eq(active, &self.batch)) {
-            if let Err(error) = state.document.set_execution_active(false) {
-                tracing::error!("notebook batch release: {error}");
-            }
-            state.active = None;
-        }
-        self.batch.done.send_replace(true);
-    }
-}
-
-pub struct NotebookService {
-    registry: Arc<Mutex<Registry>>,
-    kernels: Arc<KernelManager>,
-    sink: SharedSink,
-}
-
-impl NotebookService {
-    pub fn new(runtime_dir: PathBuf, sink: SharedSink) -> Arc<Self> {
-        let registry = Arc::new(Mutex::new(Registry::default()));
-        let status_registry = registry.clone();
-        let status_sink = sink.clone();
-        let kernels = KernelManager::new(
-            runtime_dir,
-            Arc::new(move |path, status, message| {
-                let document = {
-                    let registry = status_registry.lock();
-                    if registry.stopped {
-                        return;
-                    }
-                    registry.paths.get(path).and_then(|id| registry.documents.get(id)).cloned()
-                };
-                if let Some(document) = document {
-                    let deliver = {
-                        let mut state = document.state.lock();
-                        if state.closed {
-                            return;
-                        }
-                        state.kernel_status = Some((status.as_str().to_owned(), message.clone()));
-                        !state.transitioning
-                    };
-                    if deliver {
-                        status_sink.emit(IdeEvent::NotebookKernel {
-                            id: document.id.clone(),
-                            path: path.to_path_buf().into(),
-                            state: status.as_str().to_owned(),
-                            message,
-                        });
-                    }
-                }
-            }),
-        );
-        Arc::new(Self { registry, kernels: Arc::new(kernels), sink })
-    }
-
-    pub fn open(&self, path: &Path) -> IdeResult<NotebookSnapshot> {
-        let path = dunce::canonicalize(path)?;
-        // Serialize first load with path insertion: split views share one incarnation.
-        let mut registry = self.registry.lock();
-        if registry.stopped {
-            return Err(IdeError::cancelled());
-        }
-        if let Some(id) = registry.paths.get(&path) {
-            return snapshot(&registry.documents[id]);
-        }
-        let document = NotebookDocument::load(&path)?;
-        let initial = document.snapshot();
-        let id = initial.id.clone();
-        registry.paths.insert(path.clone(), id.clone());
-        registry.documents.insert(
-            id.clone(),
-            Arc::new(ManagedDocument {
-                id,
-                path,
-                state: Mutex::new(DocumentState {
-                    document,
-                    generation: 0,
-                    transitioning: false,
-                    closed: false,
-                    active: None,
-                    kernel_status: None,
-                }),
-                control: AsyncMutex::new(()),
-            }),
-        );
-        Ok(initial)
-    }
-
-    fn resolve(&self, id: &str) -> IdeResult<Arc<ManagedDocument>> {
-        let registry = self.registry.lock();
-        if registry.stopped {
-            return Err(IdeError::not_found("notebook project has closed"));
-        }
-        registry.documents.get(id).cloned().ok_or_else(|| IdeError::not_found("notebook incarnation is closed"))
-    }
-
-    pub fn get(&self, id: &str) -> IdeResult<NotebookSnapshot> {
-        snapshot(self.resolve(id)?.as_ref())
-    }
-
-    pub fn edit(&self, id: &str, version: u32, edit: NotebookEdit) -> IdeResult<NotebookSnapshot> {
-        let document = self.resolve(id)?;
-        let mut state = document.state.lock();
-        mutable(&state)?;
-        state.document.edit(version, edit)
-    }
-
-    pub fn save(&self, id: &str) -> IdeResult<NotebookSnapshot> {
-        let document = self.resolve(id)?;
-        let mut state = document.state.lock();
-        mutable(&state)?;
-        state.document.save()
-    }
-
-    pub fn undo(&self, id: &str, redo: bool) -> IdeResult<NotebookSnapshot> {
-        let document = self.resolve(id)?;
-        let mut state = document.state.lock();
-        mutable(&state)?;
-        if state.active.is_some() {
-            return Err(IdeError::unavailable("stop notebook execution before undo or redo"));
-        }
-        if redo { state.document.redo() } else { state.document.undo() }
-    }
-
-    pub async fn interrupt(&self, id: &str) -> IdeResult<()> {
-        let document = self.resolve(id)?;
-        let batch = document.state.lock().active.clone();
-        if let Some(batch) = &batch {
-            batch.cancel.cancel();
-        }
-        // Draining makes prepareClose/save a stable checkpoint, including when
-        // Python catches KeyboardInterrupt or cancel races with kernel startup.
-        let interrupt = self.kernels.interrupt(&document.path).await;
-        self.drain(&document, batch).await?;
-        interrupt
-    }
-
-    async fn drain(&self, document: &ManagedDocument, batch: Option<Arc<Batch>>) -> IdeResult<()> {
-        let Some(batch) = batch else { return Ok(()) };
-        let mut done = batch.done.subscribe();
-        match tokio::time::timeout(Duration::from_secs(5), done.wait_for(|done| *done)).await {
-            Ok(Ok(_)) => return Ok(()),
-            Ok(Err(_)) => return Err(IdeError::internal("notebook execution completion channel closed")),
-            Err(_) => {}
-        }
-        // An uncooperative kernel must not outlive a close/reload authorization.
-        self.kernels.shutdown_kernel(&document.path).await?;
-        tokio::time::timeout(Duration::from_secs(5), done.wait_for(|done| *done))
-            .await
-            .map_err(|_| IdeError::unavailable("notebook execution did not stop after kernel shutdown"))?
-            .map_err(|_| IdeError::internal("notebook execution completion channel closed"))?;
-        Ok(())
-    }
-
-    pub async fn reload(&self, id: &str, restart: bool) -> IdeResult<NotebookSnapshot> {
-        let document = self.resolve(id)?;
-        let _control = document.control.lock().await;
-        let batch = invalidate(&document)?;
-        let result = async {
-            let _ = self.kernels.interrupt(&document.path).await;
-            self.drain(&document, batch).await?;
-            if document.state.lock().closed {
-                return Err(IdeError::cancelled());
-            }
-            if restart {
-                self.kernels.restart(&document.path).await?;
-                snapshot(&document)
-            } else {
-                self.kernels.shutdown_kernel(&document.path).await?;
-                document.state.lock().document.reload()
-            }
-        }
-        .await;
-        let status = {
-            let mut state = document.state.lock();
-            state.transitioning = false;
-            if state.closed { None } else { state.kernel_status.clone() }
-        };
-        if let Some((state, message)) = status {
-            self.sink.emit(IdeEvent::NotebookKernel {
-                id: document.id.clone(),
-                path: document.path.clone().into(),
-                state,
-                message,
-            });
-        }
-        result
-    }
-
-    /// Frontend disposal may arrive after project replacement has already retired this id.
-    pub async fn close(&self, id: &str) -> IdeResult<()> {
-        let document = match self.resolve(id) {
-            Ok(document) => document,
-            Err(error) if error.kind == ErrorKind::NotFound => return Ok(()),
-            Err(error) => return Err(error),
-        };
-        let _control = document.control.lock().await;
-        if document.state.lock().closed {
-            return Ok(());
-        }
-        let batch = invalidate(&document)?;
-        let result = async {
-            let _ = self.kernels.interrupt(&document.path).await;
-            self.drain(&document, batch).await?;
-            self.kernels.shutdown_kernel(&document.path).await
-        }
-        .await;
-        if let Err(error) = result {
-            document.state.lock().transitioning = false;
-            return Err(error);
-        }
-        document.state.lock().closed = true;
-        let mut registry = self.registry.lock();
-        registry.documents.remove(id);
-        registry.paths.remove(&document.path);
-        Ok(())
-    }
-
-    pub(crate) fn admit(
-        &self,
-        id: &str,
-        cells: Vec<String>,
-        cancel: CancellationToken,
-    ) -> IdeResult<ExecutionAdmission> {
-        admit(self.resolve(id)?, cells, cancel)
-    }
-
-    pub(crate) async fn execute(
-        self: &Arc<Self>,
-        admission: ExecutionAdmission,
-        python: PathBuf,
-        on_output: Channel<NotebookOutputEvent>,
-    ) -> IdeResult<NotebookSnapshot> {
-        let document = admission.guard.document.clone();
-        let service = self.clone();
-        // Keep admission and native execution owned if an IPC receiver disappears.
-        tokio::spawn(async move {
-            let ExecutionAdmission { guard, generation, plan } = admission;
-            let result =
-                service.run_batch(document.clone(), generation, plan, python, guard.batch.clone(), on_output).await;
-            drop(guard);
-            match result {
-                Ok(()) => snapshot(&document),
-                Err(error) => Err(error),
-            }
-        })
-        .await
-        .map_err(|error| IdeError::internal(error.to_string()))?
-    }
-
-    async fn run_batch(
-        &self,
-        document: Arc<ManagedDocument>,
-        generation: u64,
-        plan: Vec<(String, String)>,
-        python: PathBuf,
-        batch: Arc<Batch>,
-        on_output: Channel<NotebookOutputEvent>,
-    ) -> IdeResult<()> {
-        for (cell, source) in plan {
-            {
-                let mut state = document.state.lock();
-                if batch.cancel.is_cancelled() || state.closed || state.generation != generation {
-                    return Err(IdeError::cancelled());
-                }
-                // A user may delete a queued cell while an earlier one executes.
-                // Never resurrect it from the captured source or a late output.
-                match state.document.begin_execution(&cell) {
-                    Ok(()) => {}
-                    Err(error) if error.kind == ErrorKind::NotFound => continue,
-                    Err(error) => return Err(error),
-                }
-            }
-            let output_error = Arc::new(Mutex::new(None));
-            let callback_document = document.clone();
-            let callback_batch = batch.clone();
-            let callback_error = output_error.clone();
-            let callback_cell = cell.clone();
-            let channel = on_output.clone();
-            let result = self
-                .kernels
-                .execute(
-                    &document.path,
-                    &python,
-                    &source,
-                    batch.cancel.clone(),
-                    Arc::new(move |output: KernelOutput| {
-                        let event = match commit_output(
-                            &callback_document,
-                            &callback_batch,
-                            generation,
-                            &callback_cell,
-                            output,
-                        ) {
-                            Ok(Some(event)) => event,
-                            Ok(None) => return,
-                            Err(error) => {
-                                *callback_error.lock() = Some(error);
-                                callback_batch.cancel.cancel();
-                                return;
-                            }
-                        };
-                        let _ = channel.send(event);
-                    }),
-                )
-                .await;
-            if let Some(error) = output_error.lock().take() {
-                return Err(error);
-            }
-            let result = result?;
-            if batch.cancel.is_cancelled() {
-                return Err(IdeError::cancelled());
-            }
-            if result.status != "ok" {
-                break;
-            }
-        }
-        let state = document.state.lock();
-        if state.closed || state.generation != generation || batch.cancel.is_cancelled() {
-            return Err(IdeError::cancelled());
-        }
-        Ok(())
-    }
-
-    /// Synchronously revoke admission before handing cleanup to an async runtime.
-    pub fn stop_admission(&self) {
-        let mut registry = self.registry.lock();
-        registry.stopped = true;
-        for document in registry.documents.values() {
-            let mut state = document.state.lock();
-            state.closed = true;
-            state.generation += 1;
-            if let Some(batch) = &state.active {
-                batch.cancel.cancel();
-            }
-        }
-    }
-
-    pub async fn restrict(&self) {
-        let documents: Vec<_> = self.registry.lock().documents.values().cloned().collect();
-        for document in &documents {
-            let mut state = document.state.lock();
-            state.generation += 1;
-            if let Some(batch) = &state.active {
-                batch.cancel.cancel();
-            }
-        }
-        for document in documents {
-            let _ = self.kernels.shutdown_kernel(&document.path).await;
-            let batch = document.state.lock().active.clone();
-            if let Err(error) = self.drain(&document, batch).await {
-                tracing::warn!("notebook restriction: {error}");
-            }
-        }
-    }
-
-    pub async fn shutdown(&self) {
-        self.stop_admission();
-        self.kernels.shutdown().await;
-        let documents: Vec<_> = self.registry.lock().documents.values().cloned().collect();
-        for document in documents {
-            let batch = document.state.lock().active.clone();
-            if let Err(error) = self.drain(&document, batch).await {
-                tracing::error!("notebook cleanup: {error}");
-            }
-        }
-        let mut registry = self.registry.lock();
-        registry.paths.clear();
-        registry.documents.clear();
-    }
-}
-
-fn mutable(state: &DocumentState) -> IdeResult<()> {
-    if state.closed {
-        Err(IdeError::not_found("notebook incarnation is closed"))
-    } else if state.transitioning {
-        Err(IdeError::unavailable("notebook lifecycle operation is in progress"))
-    } else {
-        Ok(())
-    }
-}
-
-fn snapshot(document: &ManagedDocument) -> IdeResult<NotebookSnapshot> {
-    let state = document.state.lock();
-    if state.closed {
-        return Err(IdeError::not_found("notebook incarnation is closed"));
-    }
-    Ok(state.document.snapshot())
-}
-
-fn invalidate(document: &ManagedDocument) -> IdeResult<Option<Arc<Batch>>> {
-    let mut state = document.state.lock();
-    mutable(&state)?;
-    state.transitioning = true;
-    state.generation += 1;
-    if let Some(batch) = &state.active {
-        batch.cancel.cancel();
-    }
-    Ok(state.active.clone())
-}
-
-fn execution_plan(snapshot: &NotebookSnapshot, cells: Vec<String>) -> IdeResult<Vec<(String, String)>> {
-    let mut selected: HashSet<_> = cells.iter().map(String::as_str).collect();
-    if selected.is_empty() || selected.len() != cells.len() {
-        return Err(IdeError::invalid("select distinct code cells to execute"));
-    }
-    let mut plan = Vec::with_capacity(selected.len());
-    for cell in &snapshot.cells {
-        if selected.remove(cell.id.as_str()) {
-            if cell.cell_type != "code" {
-                return Err(IdeError::invalid("only code cells can execute"));
-            }
-            plan.push((cell.id.clone(), cell.source.clone()));
-        }
-    }
-    if !selected.is_empty() {
-        return Err(IdeError::not_found("an execution cell no longer exists"));
-    }
-    Ok(plan)
-}
-
-fn admit(
-    document: Arc<ManagedDocument>,
-    cells: Vec<String>,
-    cancel: CancellationToken,
-) -> IdeResult<ExecutionAdmission> {
-    let (batch, generation, plan) = {
-        let mut state = document.state.lock();
-        mutable(&state)?;
-        if state.active.is_some() {
-            return Err(IdeError::unavailable("notebook execution batch is already running"));
-        }
-        if cancel.is_cancelled() {
-            return Err(IdeError::cancelled());
-        }
-        let plan = execution_plan(&state.document.snapshot(), cells)?;
-        state.document.set_execution_active(true)?;
-        let (done, _) = watch::channel(false);
-        let batch = Arc::new(Batch { cancel, done });
-        state.active = Some(batch.clone());
-        (batch, state.generation, plan)
-    };
-    Ok(ExecutionAdmission { guard: BatchGuard { document, batch }, generation, plan })
-}
-
-/// Commit under the short document lock; the caller delivers only after release.
-fn commit_output(
-    document: &ManagedDocument,
-    batch: &Arc<Batch>,
-    generation: u64,
-    cell: &str,
-    output: KernelOutput,
-) -> IdeResult<Option<NotebookOutputEvent>> {
-    let mut state = document.state.lock();
-    if state.closed
-        || state.generation != generation
-        || !state.active.as_ref().is_some_and(|active| Arc::ptr_eq(active, batch))
-    {
-        return Ok(None);
-    }
-    let changed_cells = match state.document.record_output(cell, &output) {
-        Ok(changed) => changed,
-        Err(error) if error.kind == ErrorKind::NotFound => return Ok(None),
-        Err(error) => return Err(error),
-    };
-    Ok(Some(NotebookOutputEvent {
-        id: document.id.clone(),
-        path: document.path.to_string_lossy().into_owned(),
-        cell: cell.to_owned(),
-        msg_id: output.msg_id,
-        kind: output.kind,
-        content: output.content,
-        version: state.document.version(),
-        dirty: state.document.is_dirty(),
-        changed_cells,
-    }))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use serde_json::json;
-
-    fn fixture() -> (tempfile::TempDir, Arc<NotebookService>, NotebookSnapshot) {
-        let dir = tempfile::tempdir().unwrap();
-        let path = dir.path().join("session.ipynb");
-        std::fs::write(&path, serde_json::to_vec(&json!({
-            "nbformat": 4, "nbformat_minor": 5, "metadata": {},
-            "cells": [
-                {"id":"first","cell_type":"code","metadata":{},"source":"x = 1","outputs":[],"execution_count":null},
-                {"id":"second","cell_type":"code","metadata":{},"source":"print(x)","outputs":[],"execution_count":null},
-                {"id":"prose","cell_type":"markdown","metadata":{},"source":"notes"}
-            ]
-        })).unwrap()).unwrap();
-        let service = NotebookService::new(dir.path().join("kernels"), Arc::new(ide_core::NullSink));
-        let snapshot = service.open(&path).unwrap();
-        (dir, service, snapshot)
-    }
-
-    fn output(kind: &str, content: serde_json::Value) -> KernelOutput {
-        KernelOutput { kind: kind.into(), content, msg_id: "actual-parent-request".into() }
-    }
-
-    #[tokio::test]
-    async fn canonical_split_opens_share_incarnation_but_reopen_and_projects_do_not() {
-        let (dir, service, initial) = fixture();
-        let alternate = dir.path().join(".").join("session.ipynb");
-        assert_eq!(service.open(&alternate).unwrap().id, initial.id);
-        let other = NotebookService::new(dir.path().join("other-runtime"), Arc::new(ide_core::NullSink));
-        let independent = other.open(&alternate).unwrap();
-        assert_ne!(initial.id, independent.id);
-        assert_eq!(other.get(&initial.id).unwrap_err().kind, ErrorKind::NotFound);
-        service.close(&initial.id).await.unwrap();
-        let reopened = service.open(&alternate).unwrap();
-        assert_ne!(reopened.id, initial.id);
-        assert_eq!(service.get(&initial.id).unwrap_err().kind, ErrorKind::NotFound);
-        // A delayed old-incarnation close cannot dispose a new session at that path.
-        service.close(&initial.id).await.unwrap();
-        assert_eq!(service.get(&reopened.id).unwrap().id, reopened.id);
-        service.shutdown().await;
-        other.shutdown().await;
-    }
-
-    #[tokio::test(start_paused = true)]
-    async fn failed_close_keeps_the_incarnation_recoverable_until_a_retry_succeeds() {
-        let (dir, service, initial) = fixture();
-        // A batch that never drains models a kernel that ignores interrupt and shutdown.
-        let admission =
-            service.admit(&initial.id, vec![initial.cells[0].id.clone()], CancellationToken::new()).unwrap();
-        let error = service.close(&initial.id).await.unwrap_err();
-        assert_eq!(error.kind, ErrorKind::Unavailable);
-        assert!(admission.guard.batch.cancel.is_cancelled());
-        // The backend still owns the incarnation: a reopen shares it instead of
-        // starting a second kernel, and the failed close left it usable.
-        let reopened = service.open(&dir.path().join("session.ipynb")).unwrap();
-        assert_eq!(reopened.id, initial.id);
-        assert!(matches!(service.admit(&initial.id, vec![initial.cells[0].id.clone()], CancellationToken::new()),
-            Err(error) if error.kind == ErrorKind::Unavailable));
-        drop(admission);
-        service.close(&initial.id).await.unwrap();
-        assert_eq!(service.get(&initial.id).unwrap_err().kind, ErrorKind::NotFound);
-        assert_ne!(service.open(&dir.path().join("session.ipynb")).unwrap().id, initial.id);
-        service.shutdown().await;
-    }
-
-    #[test]
-    fn batch_admission_captures_document_order_and_retains_busy_until_drained() {
-        let (_dir, service, initial) = fixture();
-        let document = service.resolve(&initial.id).unwrap();
-        let cells = vec![initial.cells[1].id.clone(), initial.cells[0].id.clone()];
-        let admission = admit(document.clone(), cells.clone(), CancellationToken::new()).unwrap();
-        assert_eq!(
-            admission.plan,
-            vec![(initial.cells[0].id.clone(), "x = 1".into()), (initial.cells[1].id.clone(), "print(x)".into()),]
-        );
-        service
-            .edit(
-                &initial.id,
-                initial.version,
-                NotebookEdit::SetSource { cell: initial.cells[1].id.clone(), source: "print('new source')".into() },
-            )
-            .unwrap();
-        assert_eq!(admission.plan[1].1, "print(x)");
-        assert_eq!(service.undo(&initial.id, false).unwrap_err().kind, ErrorKind::Unavailable);
-        admission.guard.batch.cancel.cancel();
-        assert!(matches!(admit(document.clone(), cells.clone(), CancellationToken::new()), Err(error)
-            if error.kind == ErrorKind::Unavailable));
-        drop(admission);
-        let next = admit(document, cells, CancellationToken::new()).unwrap();
-        assert_eq!(next.plan[1].1, "print('new source')");
-    }
-
-    #[test]
-    fn output_commits_revision_and_cross_cell_display_updates_before_delivery() {
-        let (_dir, service, initial) = fixture();
-        let document = service.resolve(&initial.id).unwrap();
-        let cells: Vec<_> = initial.cells[..2].iter().map(|cell| cell.id.clone()).collect();
-        let admission = admit(document.clone(), cells.clone(), CancellationToken::new()).unwrap();
-        let event = commit_output(
-            &document,
-            &admission.guard.batch,
-            admission.generation,
-            &cells[0],
-            output(
-                "display_data",
-                json!({"data":{"text/plain":"before"},"metadata":{},"transient":{"display_id":"shared"}}),
-            ),
-        )
-        .unwrap()
-        .unwrap();
-        let committed = service.get(&initial.id).unwrap();
-        assert_eq!(event.version, committed.version);
-        assert!(event.version > initial.version);
-        assert!(event.dirty);
-        assert_eq!(event.msg_id, "actual-parent-request");
-        assert_eq!(committed.cells[0].outputs[0]["data"]["text/plain"], "before");
-        let updated = commit_output(
-            &document,
-            &admission.guard.batch,
-            admission.generation,
-            &cells[1],
-            output(
-                "update_display_data",
-                json!({"data":{"text/plain":"after"},"metadata":{},"transient":{"display_id":"shared"}}),
-            ),
-        )
-        .unwrap()
-        .unwrap();
-        assert!(updated.changed_cells.contains(&cells[0]));
-        let committed = service.get(&initial.id).unwrap();
-        assert_eq!(committed.cells[0].outputs[0]["data"]["text/plain"], "after");
-        assert!(committed.cells[0].outputs[0].get("transient").is_none());
-        assert_eq!(updated.version, committed.version);
-    }
-
-    #[test]
-    fn invalidated_or_completed_batches_cannot_commit_and_deleted_cells_stay_deleted() {
-        let (_dir, service, initial) = fixture();
-        let document = service.resolve(&initial.id).unwrap();
-        let cell = initial.cells[0].id.clone();
-        let admission = admit(document.clone(), vec![cell.clone()], CancellationToken::new()).unwrap();
-        let deleted =
-            service.edit(&initial.id, initial.version, NotebookEdit::DeleteCell { cell: cell.clone() }).unwrap();
-        assert!(
-            commit_output(
-                &document,
-                &admission.guard.batch,
-                admission.generation,
-                &cell,
-                output("stream", json!({"name":"stdout","text":"late"}))
-            )
-            .unwrap()
-            .is_none()
-        );
-        assert_eq!(service.get(&initial.id).unwrap().version, deleted.version);
-        let other = initial.cells[1].id.clone();
-        invalidate(&document).unwrap();
-        assert!(admission.guard.batch.cancel.is_cancelled());
-        assert!(
-            commit_output(
-                &document,
-                &admission.guard.batch,
-                admission.generation,
-                &other,
-                output("stream", json!({"name":"stdout","text":"old generation"}))
-            )
-            .unwrap()
-            .is_none()
-        );
-        let batch = admission.guard.batch.clone();
-        let generation = document.state.lock().generation;
-        drop(admission);
-        assert!(
-            commit_output(
-                &document,
-                &batch,
-                generation,
-                &other,
-                output("stream", json!({"name":"stdout","text":"post idle"}))
-            )
-            .unwrap()
-            .is_none()
-        );
-        assert_eq!(service.get(&initial.id).unwrap().version, deleted.version);
-    }
-
-    #[tokio::test]
-    async fn reload_preserves_incarnation_and_project_shutdown_revokes_all_admission() {
-        let (_dir, service, initial) = fixture();
-        let changed = service
-            .edit(
-                &initial.id,
-                initial.version,
-                NotebookEdit::SetSource { cell: initial.cells[0].id.clone(), source: "changed".into() },
-            )
-            .unwrap();
-        let reloaded = service.reload(&initial.id, false).await.unwrap();
-        assert_eq!(reloaded.id, initial.id);
-        assert!(reloaded.version > changed.version);
-        assert_eq!(reloaded.cells[0].source, "x = 1");
-        assert!(!reloaded.dirty);
-        let document = service.resolve(&initial.id).unwrap();
-        let admission = admit(document.clone(), vec![initial.cells[0].id.clone()], CancellationToken::new()).unwrap();
-        service.stop_admission();
-        assert!(admission.guard.batch.cancel.is_cancelled());
-        assert_eq!(service.get(&initial.id).unwrap_err().kind, ErrorKind::NotFound);
-        assert!(matches!(admit(document, vec![initial.cells[0].id.clone()], CancellationToken::new()), Err(error)
-            if error.kind == ErrorKind::NotFound));
-        drop(admission);
-        service.shutdown().await;
-    }
-
-    #[test]
-    fn invalid_batch_selection_does_not_claim_admission() {
-        let (_dir, service, initial) = fixture();
-        let document = service.resolve(&initial.id).unwrap();
-        for cells in [
-            vec![],
-            vec![initial.cells[0].id.clone(), initial.cells[0].id.clone()],
-            vec![initial.cells[2].id.clone()],
-            vec!["deleted".into()],
-        ] {
-            assert!(admit(document.clone(), cells, CancellationToken::new()).is_err());
-        }
-        let cancelled = CancellationToken::new();
-        cancelled.cancel();
-        assert!(matches!(admit(document.clone(), vec![initial.cells[0].id.clone()], cancelled), Err(error)
-            if error.kind == ErrorKind::Cancelled));
-        let valid = admit(document, vec![initial.cells[0].id.clone()], CancellationToken::new()).unwrap();
-        assert_eq!(valid.plan[0].1, "x = 1");
-    }
-
-    #[tokio::test]
-    async fn interrupt_cancels_before_drain_and_does_not_release_a_live_batch() {
-        let (_dir, service, initial) = fixture();
-        service
-            .edit(
-                &initial.id,
-                initial.version,
-                NotebookEdit::SetSource { cell: initial.cells[0].id.clone(), source: "changed source".into() },
-            )
-            .unwrap();
-        let cancel = CancellationToken::new();
-        let admission = service.admit(&initial.id, vec![initial.cells[0].id.clone()], cancel.clone()).unwrap();
-        let interrupt_service = service.clone();
-        let id = initial.id.clone();
-        let interrupt = tokio::spawn(async move { interrupt_service.interrupt(&id).await });
-        tokio::time::timeout(Duration::from_secs(1), cancel.cancelled()).await.unwrap();
-        assert!(!interrupt.is_finished(), "interrupt must wait for owned execution to drain");
-        assert!(matches!(service.admit(&initial.id, vec![initial.cells[0].id.clone()], CancellationToken::new()),
-            Err(error) if error.kind == ErrorKind::Unavailable));
-        let mut done = admission.guard.batch.done.subscribe();
-        drop(admission);
-        assert!(*done.borrow_and_update());
-        tokio::time::timeout(Duration::from_secs(1), interrupt).await.unwrap().unwrap().unwrap();
-        let next = service.admit(&initial.id, vec![initial.cells[0].id.clone()], CancellationToken::new()).unwrap();
-        assert_eq!(next.plan[0].1, "changed source");
-        drop(next);
-        let undone = service.undo(&initial.id, false).unwrap();
-        assert_eq!(undone.cells[0].source, "x = 1");
-        service.close(&initial.id).await.unwrap();
-    }
-}
@@ -17,7 +17,6 @@ pub fn subscribe(host: &Host, window: &str, on_event: Emit<AgentEvent>) -> IdeRe
 }

 pub fn providers(host: &Host, window: &str) -> IdeResult<Vec<AgentProvider>> {
-    host.require_trust(window)?;
    let mut providers = host.project(window)?.agents.providers();
    ide_agent::registry::mark_updates(&registry_paths(host), &mut providers);
    Ok(providers)
@@ -25,7 +24,7 @@ pub fn providers(host: &Host, window: &str) -> IdeResult<Vec<AgentProvider>> {

 /// Where ACP Registry agents are saved (`<config>/agents`, like the user's own) and installed.
 pub(crate) fn registry_paths(host: &Host) -> RegistryPaths {
-    RegistryPaths::new(&host.config_dir, &host.local_data_dir)
+    RegistryPaths::new(&host.config_dir, &host.data_dir)
 }

 fn join_err(e: impl std::fmt::Display) -> IdeError {
@@ -63,21 +62,13 @@ pub async fn registry_install(
    .await
    .map_err(join_err);
    host.end_request(request);
-    result??;
-    for project in host.projects() {
-        project.agents.reload_providers();
-    }
-    Ok(())
+    result?
 }

 /// Removes a registry agent: its agent file and installed files.
 pub async fn registry_remove(host: &Host, _window: &str, id: String) -> IdeResult<()> {
    let paths = registry_paths(host);
-    tokio::task::spawn_blocking(move || ide_agent::registry::remove(&paths, &id)).await.map_err(join_err)??;
-    for project in host.projects() {
-        project.agents.reload_providers();
-    }
-    Ok(())
+    tokio::task::spawn_blocking(move || ide_agent::registry::remove(&paths, &id)).await.map_err(join_err)?
 }

 /// Slash commands to complete for `provider` in `task`'s directory, or in the project
@@ -96,20 +87,12 @@ pub fn entries(host: &Host, window: &str, task: String, subagent: Option<String>
    host.project(window)?.agents.entries(&task, subagent)
 }

-pub async fn create(host: &Host, window: &str, mut request: NewAgentTask) -> IdeResult<AgentTask> {
-    host.require_trust(window)?;
-    let project = host.project(window)?;
-    let root = project.root.clone();
-    let requested = request.project_root.take();
-    request.project_root = Some(IpcPath(
-        host.blocking(move || validate_project_root(&root, requested.as_ref().map(|p| p.0.as_path()))).await?,
-    ));
-    project.agents.create(request).await
+pub async fn create(host: &Host, window: &str, request: NewAgentTask) -> IdeResult<AgentTask> {
+    host.project(window)?.agents.create(request).await
 }

 /// Sends a message; while the agent works it is queued, or with `now` it interrupts the turn.
 pub async fn prompt(host: &Host, window: &str, task: String, prompt: AgentPrompt, now: bool) -> IdeResult<()> {
-    host.require_trust(window)?;
    host.project(window)?.agents.prompt(&task, prompt, now).await
 }

@@ -120,31 +103,26 @@ pub fn unqueue(host: &Host, window: &str, task: String, queued: String) -> IdeRe

 /// Sends a queued message now, interrupting the current turn.
 pub fn send_queued_now(host: &Host, window: &str, task: String, queued: String) -> IdeResult<()> {
-    host.require_trust(window)?;
    host.project(window)?.agents.send_queued_now(&task, &queued)
 }

 /// Changes a session setting (model, mode, thinking effort…).
 pub async fn set_config(host: &Host, window: &str, task: String, option: String, value: String) -> IdeResult<()> {
-    host.require_trust(window)?;
    host.project(window)?.agents.set_config(&task, &option, value).await
 }

 /// Copies the task's conversation into a new task, up to its first `turns` turns (all when `None`).
 pub async fn fork(host: &Host, window: &str, task: String, turns: Option<u32>) -> IdeResult<AgentTask> {
-    host.require_trust(window)?;
    host.project(window)?.agents.fork(&task, turns).await
 }

 /// Drops the task's turns after its first `turns`; returns the message of the first dropped one.
 pub async fn rollback(host: &Host, window: &str, task: String, turns: u32) -> IdeResult<Option<AgentPrompt>> {
-    host.require_trust(window)?;
    host.project(window)?.agents.rollback(&task, turns).await
 }

 /// What the agent reports about itself when it starts, without opening a session.
 pub async fn probe(host: &Host, window: &str, provider: String, refresh: bool) -> IdeResult<AgentProbe> {
-    host.require_trust(window)?;
    host.project(window)?.agents.probe(&provider, refresh).await
 }

@@ -155,7 +133,6 @@ pub fn cancel(host: &Host, window: &str, task: String, subagent: Option<String>)

 /// 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)?;
    host.project(window)?.agents.respond(&task, permission, option)
 }

@@ -163,23 +140,16 @@ pub fn archive(host: &Host, window: &str, task: String) -> IdeResult<()> {
    host.project(window)?.agents.archive(&task)
 }

-pub fn unarchive(host: &Host, window: &str, task: String) -> IdeResult<()> {
-    host.project(window)?.agents.unarchive(&task)
-}
-
 pub async fn delete(host: &Host, window: &str, task: String, remove_worktree: bool) -> IdeResult<()> {
-    host.require_trust(window)?;
    host.project(window)?.agents.delete(&task, remove_worktree).await
 }

 pub async fn changes(host: &Host, window: &str, task: String) -> IdeResult<Vec<AgentChange>> {
-    host.require_trust(window)?;
    host.project(window)?.agents.changes(&task).await
 }

 /// Content of `path` when the task started (left side of its diff).
 pub async fn base_text(host: &Host, window: &str, task: String, path: IpcPath) -> IdeResult<Option<String>> {
-    host.require_trust(window)?;
    host.project(window)?.agents.base_text(&task, path.into_path_buf()).await
 }

@@ -213,7 +183,6 @@ pub(crate) fn register(d: &mut Dispatcher) {
    d.add("agent_respond", |c| async move {
        respond(&c.host, &c.window, c.arg("task")?, c.arg("permission")?, c.arg("option")?)
    });
-    d.add("agent_unarchive", |c| async move { unarchive(&c.host, &c.window, c.arg("task")?) });
    d.add("agent_archive", |c| async move { archive(&c.host, &c.window, c.arg("task")?) });
    d.add(
        "agent_delete",
@@ -222,43 +191,3 @@ pub(crate) fn register(d: &mut Dispatcher) {
    d.add("agent_changes", |c| async move { changes(&c.host, &c.window, c.arg("task")?).await });
    d.add("agent_base_text", |c| async move { base_text(&c.host, &c.window, c.arg("task")?, c.arg("path")?).await });
 }
-
-fn validate_project_root(root: &std::path::Path, requested: Option<&std::path::Path>) -> IdeResult<std::path::PathBuf> {
-    let Some(requested) = requested else {
-        return Ok(root.to_path_buf());
-    };
-    if !requested.is_absolute() {
-        return Err(IdeError::invalid("Choose an absolute project root"));
-    }
-    let requested = dunce::canonicalize(requested)?;
-    let window_root = dunce::canonicalize(root)?;
-    if requested == window_root
-        || ide_workspace::workspace::Workspace::load(root)?.is_some_and(|w| w.projects.contains(&requested))
-    {
-        return Ok(requested);
-    }
-    Err(IdeError::invalid("Agent project must be the window project or a workspace member"))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    #[test]
-    fn agent_roots_are_exact_window_or_workspace_members() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path().join("workspace");
-        let member = tmp.path().join("member");
-        let other = tmp.path().join("other");
-        for dir in [&root, &member, &other, &member.join("child")] {
-            std::fs::create_dir_all(dir).unwrap();
-        }
-        assert_eq!(validate_project_root(&root, None).unwrap(), root);
-        assert_eq!(validate_project_root(&root, Some(&root)).unwrap(), dunce::canonicalize(&root).unwrap());
-        assert!(validate_project_root(&root, Some(&member)).is_err());
-        ide_workspace::workspace::Workspace::save(&root, "Workspace", vec![member.clone()], true).unwrap();
-        assert_eq!(validate_project_root(&root, Some(&member)).unwrap(), dunce::canonicalize(&member).unwrap());
-        for rejected in [other, member.join("child"), member.join("../other"), "relative".into()] {
-            assert!(validate_project_root(&root, Some(&rejected)).is_err(), "{rejected:?}");
-        }
-    }
-}
@@ -39,13 +39,12 @@ fn load(project: &Project, languages: &LanguageRegistry, path: &Path) -> Option<
        let snap = project.documents.text_snapshot(doc).ok()?;
        return (!snap.large).then_some((snap.language, snap.text));
    }
-    let loaded = project.documents.load_file(path).ok()?;
+    let loaded = ide_vfs::load_text(path).ok()?;
    if loaded.binary || loaded.large || loaded.too_large {
        return None;
    }
-    let text = ide_text::normalize_line_endings(&loaded.text).into_owned();
-    let language = languages.detect(path, text.lines().next());
-    Some((language, text))
+    let language = languages.detect(path, loaded.text.lines().next());
+    Some((language, loaded.text))
 }

 // ---- Inspect Code ----
@@ -27,12 +27,7 @@ fn java_env(project_jdk: Option<&ide_sdk::java::Jdk>, release: Option<u32>) -> B
 /// The build model with the launch settings applied: the JDK (`JAVA_HOME`), and
 /// the Maven home and options from Settings › Maven.
 pub fn load(root: &Path, cache: &Path, settings: &Settings) -> BuildModel {
-    let mut model = ide_build::load_linked(
-        root,
-        cache,
-        ide_sdk::apply::maven_local_repository(root, settings),
-        &settings.languages.java.maven,
-    );
+    let mut model = ide_build::load(root, cache, ide_sdk::apply::maven_local_repository(root, settings));
    let jdk = ide_sdk::apply::project_jdk(root, settings);
    if let Some(m) = &mut model.maven {
        let mvn = ide_sdk::apply::maven_command(root, settings);
@@ -46,8 +41,7 @@ pub fn load(root: &Path, cache: &Path, settings: &Settings) -> BuildModel {
        }
    }
    if let Some(g) = &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 = java_env(jdk.as_ref(), 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 {
@@ -68,7 +62,7 @@ pub fn load(root: &Path, cache: &Path, settings: &Settings) -> BuildModel {
    if let Some(g) = &mut model.gradle
        && g.sync_error.is_some()
    {
-        let hint = if settings.languages.java.gradle.jvm.trim().is_empty() { missing(g.java_version) } else { None };
+        let hint = missing(g.java_version);
        explain(&mut g.sync_error, hint);
    }
    model
@@ -76,7 +70,6 @@ pub fn load(root: &Path, cache: &Path, settings: &Settings) -> BuildModel {

 /// Maven and Gradle projects of the window's project, from the build files plus the last sync.
 pub async fn build_model(host: &Host, window: &str) -> IdeResult<BuildModel> {
-    host.require_trust(window)?;
    let project = host.project(window)?;
    let (root, cache, settings) = (project.root.clone(), project.build_cache_dir(), project.settings.effective());
    tokio::task::spawn_blocking(move || load(&root, &cache, &settings)).await.map_err(join_err)
@@ -94,11 +87,9 @@ pub async fn build_sync(
    profiles: Vec<String>,
    on_progress: Channel<SyncProgress>,
 ) -> IdeResult<BuildModel> {
-    host.require_trust(window)?;
    let project = host.project(window)?;
    let (root, cache, settings) = (project.root.clone(), project.build_cache_dir(), project.settings.effective());
-    let bridge_profiles = profiles.clone();
-    let token = host.begin_project_request(window, request);
+    let token = host.begin_request(request);
    let result = tokio::task::spawn_blocking(move || {
        let current = load(&root, &cache, &settings);
        let env = match tool {
@@ -116,8 +107,6 @@ pub async fn build_sync(
            env,
            maven_command: ide_sdk::apply::maven_command(&root, &settings).map(|p| p.to_string_lossy().into_owned()),
            maven_options: ide_sdk::apply::maven_options(&root, &settings),
-            maven_settings: settings.languages.java.maven.clone(),
-            gradle_command: current.gradle.as_ref().map(|g| g.command.clone()),
        };
        let progress = |p: SyncProgress| {
            let _ = on_progress.send(p);
@@ -126,37 +115,12 @@ pub async fn build_sync(
            BuildTool::Maven => ide_build::sync_maven(&root, &cache, &options, &token, &progress)?,
            BuildTool::Gradle => ide_build::sync_gradle(&root, &cache, &options, &token, &progress)?,
        }
-        Ok::<BuildModel, IdeError>(load(&root, &cache, &settings))
+        Ok(load(&root, &cache, &settings))
    })
    .await
    .map_err(join_err);
    host.end_request(request);
-    let model = result??;
-    if tool == BuildTool::Maven
-        && model.maven.is_some()
-        && let Some(bridge) = &project.kotlin_bridge
-    {
-        bridge.configure_maven(offline, bridge_profiles);
-    }
-    // jdtls re-imports on pom changes but misses artifacts added to ~/.m2
-    // meanwhile ("missing artifact" stays until Invalidate Caches); asking it
-    // to update the project configurations re-resolves them (#436). The same
-    // holds for Gradle: it reuses its cached classpath on restart, so a
-    // dependency added to `build.gradle` stays unresolved until told to sync.
-    let build_files: Vec<String> = match tool {
-        BuildTool::Maven => model.maven.iter().flat_map(|m| m.projects.iter().map(|p| p.pom.clone())).collect(),
-        BuildTool::Gradle => {
-            model.gradle.iter().flat_map(|g| g.projects.iter().filter_map(|p| p.build_file.clone())).collect()
-        }
-    };
-    let lsp = project.lsp.clone();
-    let uris = build_files.iter().map(|f| ide_lsp::path_to_uri_string(&project.root.join(f))).collect();
-    tokio::spawn(async move {
-        if let Err(e) = lsp.java_update_project_configs(&project.root, uris).await {
-            tracing::debug!("java/projectConfigurationsUpdate: {e}");
-        }
-    });
-    Ok(model)
+    result?
 }

 /// The POM declaring `dependency` for the Maven module `pom` (project-relative): the
@@ -210,10 +174,8 @@ pub async fn maven_exclude_dependency(
        let (path, text, range) = declaring_pom(&project, &pom, &dependency)?;
        match ide_build::pom_edit::add_exclusion(&text, &dependency, &exclusion) {
            Some(Exclusion::Edit(edit)) => {
-                let edit = WorkspaceEdit {
-                    files: vec![FileEdit::Edit { path: path.clone().into(), edits: vec![edit], version: None }],
-                    ..Default::default()
-                };
+                let edit =
+                    WorkspaceEdit { files: vec![FileEdit::Edit { path: path.clone().into(), edits: vec![edit] }] };
                apply_workspace_edit(&project.documents, &edit)?;
            }
            Some(Exclusion::Present) => {}
@@ -238,12 +200,10 @@ pub async fn build_run(
    clear: Vec<std::path::PathBuf>,
    on_event: Channel<BuildEvent>,
 ) -> IdeResult<BuildResult> {
-    host.require_trust(window)?;
    let project = host.project(window)?;
    let (root, cache, sink) = (project.root.clone(), project.build_cache_dir(), project.sink.clone());
    let settings = project.settings.effective();
-    let config_dir = host.config_dir.clone();
-    let token = host.begin_project_request(window, request);
+    let token = host.begin_request(request);
    let result = tokio::task::spawn_blocking(move || {
        for path in clear {
            sink.emit(IdeEvent::Diagnostics {
@@ -252,23 +212,7 @@ pub async fn build_run(
                items: Vec::new(),
            });
        }
-        let plan = if let Some(workspace) = ide_workspace::workspace::Workspace::load(&root)? {
-            let mut combined: Option<compile::BuildPlan> = None;
-            for member in workspace.projects.iter().filter(|p| file.as_ref().is_none_or(|f| f.starts_with(p))) {
-                let settings = ide_workspace::SettingsStore::load(&config_dir, Some(member)).effective();
-                let member_cache = cache.join(crate::project::project_key(member));
-                let plan = compile::plan(member, &load(member, &member_cache, &settings), kind, file.as_deref())?;
-                match &mut combined {
-                    Some(combined) => combined.steps.extend(plan.steps),
-                    None => combined = Some(plan),
-                }
-            }
-            let mut plan = combined.ok_or_else(|| IdeError::invalid("No workspace project to build"))?;
-            plan.title = workspace.name;
-            plan
-        } else {
-            compile::plan(&root, &load(&root, &cache, &settings), kind, file.as_deref())?
-        };
+        let plan = compile::plan(&root, &load(&root, &cache, &settings), kind, file.as_deref())?;
        let result = compile::run(&root, &plan, &token, &|e| {
            let _ = on_event.send(e);
        })?;
@@ -317,34 +261,3 @@ pub(crate) fn register(d: &mut Dispatcher) {
        .await
    });
 }
-
-#[cfg(test)]
-mod gradle_settings_tests {
-    use super::*;
-
-    #[test]
-    fn model_for_sync_tasks_and_compile_uses_gradle_settings() {
-        let tmp = tempfile::tempdir().unwrap();
-        let root = tmp.path();
-        std::fs::write(root.join("build.gradle"), "plugins { id 'java' }").unwrap();
-        let wrapper = root.join(if cfg!(windows) { "gradlew.bat" } else { "gradlew" });
-        std::fs::write(&wrapper, "").unwrap();
-        let mut settings = Settings::default();
-        let default = load(root, &root.join("cache"), &settings).gradle.unwrap();
-        assert_eq!(default.command, wrapper.to_string_lossy());
-        settings.languages.java.gradle.jvm = "jdk21".into();
-        settings.languages.java.gradle.user_home = "user-home".into();
-        settings.languages.java.gradle.distribution = ide_core::settings::GradleDistribution::Local;
-        settings.languages.java.gradle.home = "gradle-install".into();
-        let model = load(root, &root.join("cache"), &settings).gradle.unwrap();
-        assert_eq!(
-            model.command,
-            root.join("gradle-install")
-                .join("bin")
-                .join(if cfg!(windows) { "gradle.bat" } else { "gradle" })
-                .to_string_lossy()
-        );
-        assert_eq!(model.env["JAVA_HOME"], root.join("jdk21").to_string_lossy());
-        assert_eq!(model.env["GRADLE_USER_HOME"], root.join("user-home").to_string_lossy());
-    }
-}
@@ -16,7 +16,6 @@ pub async fn blocking<T: Send + 'static>(f: impl FnOnce() -> IdeResult<T> + Send
 /// How to run `config` with coverage: the command to launch and where its report will be,
 /// or which tool is missing.
 pub async fn coverage_prepare(host: &Host, window: &str, config: RunConfig) -> IdeResult<CoveragePrepared> {
-    host.require_trust(window)?;
    let project = host.project(window)?;
    let (root, cache) = (project.root.clone(), project.cache_dir.join("coverage"));
    blocking(move || {
@@ -27,8 +26,7 @@ pub async fn coverage_prepare(host: &Host, window: &str, config: RunConfig) -> I
 }

 /// Reads the report a coverage run left behind.
-pub async fn coverage_collect(host: &Host, window: &str, report: CoverageReportSpec) -> IdeResult<CoverageSuite> {
-    host.require_trust(window)?;
+pub async fn coverage_collect(_host: &Host, _window: &str, report: CoverageReportSpec) -> IdeResult<CoverageSuite> {
    blocking(move || ide_coverage::collect(&report)).await
 }

@@ -1,5 +1,3 @@
-mod output;
-
 use crate::Host;
 use crate::rpc::Dispatcher;
 use ide_core::{DebugSessionId, IdeResult};
@@ -8,105 +6,18 @@ use std::path::PathBuf;

 /// Starts a session owned by this window: its events (and those of child sessions) go here only.
 pub async fn debug_start(host: &Host, window: &str, config: LaunchConfig) -> IdeResult<DebugSessionId> {
-    host.require_trust(window)?;
-    let mut config = match_java_debug_encoding(config, cfg!(windows));
-    if config.adapter == "debugpy"
-        && config.request == "launch"
-        && let Ok(project) = host.project(window)
-    {
-        super::python::prepare_debug(&mut config, &super::python::paths(&project))?;
-    }
    let label = window;
-    let (sink, flush_output) = output::coalescing_sink(host.window_sink(label));
-    let owner = SessionOwner::new(host.owner_window(label), sink);
+    let owner = SessionOwner::new(host.owner_window(label), host.window_sink(label));
    let settings = match host.project(label) {
        Ok(project) => project.settings.effective(),
        Err(_) => host.global_settings.effective(),
    };
-    if config.adapter == "delve" && config.request == "launch" {
-        let root = host.project(window).map(|p| p.root.clone()).unwrap_or_default();
-        let settings = settings.clone();
-        config = host
-            .blocking(move || {
-                ide_sdk::go::debug_environment(&root, &settings, &mut config.env);
-                ide_sdk::go::apply_to_debug(
-                    &mut config.env,
-                    &mut config.extra_json,
-                    &settings.languages.go.build_tags,
-                )?;
-                Ok(config)
-            })
-            .await?;
-    }
-    if config.adapter == ide_dap::kotlin::ADAPTER {
-        let data_dir = host.local_data_dir.clone();
-        let runtime_root = config.cwd.clone().map(PathBuf::from).unwrap_or_default();
-        let runtime_settings = settings.clone();
-        let runtime = host
-            .blocking(move || {
-                if let Some(jdk) = ide_sdk::apply::jdtls_jdk(&runtime_root, &runtime_settings)
-                    .map_err(ide_core::IdeError::unavailable)?
-                {
-                    if jdk.major >= 11 {
-                        return Ok(jdk);
-                    }
-                    return Err(ide_core::IdeError::unavailable(
-                        "Kotlin debugger needs JDK 11 or newer. Choose a newer language server JDK in Settings.",
-                    ));
-                }
-                let jdks = ide_sdk::java::jdtls_jdks(11, &data_dir);
-                ide_sdk::java::jdtls_runtime(&jdks, 11).cloned().ok_or_else(|| {
-                    ide_core::IdeError::unavailable(
-                        "Kotlin debugger needs JDK 11 or newer. Download or choose a language server JDK in Settings.",
-                    )
-                })
-            })
-            .await?;
-        let mut extra: serde_json::Value = config
-            .extra_json
-            .as_deref()
-            .map(serde_json::from_str)
-            .transpose()
-            .map_err(|e| ide_core::IdeError::invalid(e.to_string()))?
-            .unwrap_or_else(|| serde_json::json!({}));
-        extra["__adapterJavaHome"] = serde_json::json!(runtime.home);
-        config.extra_json = Some(extra.to_string());
-    }
    let root = config.cwd.clone().map(PathBuf::from).unwrap_or_default();
    let custom = |command: &str| {
        let path = ide_sdk::apply::tool_command(&root, &settings, command)?;
        Some(path.to_string_lossy().into_owned())
    };
-    host.require_trust(window)?;
-    let result = host.debugger.start_with(config, owner, custom).await;
-    flush_output();
-    result
-}
-
-/// A JVM launched by java-debug writes what java-debug decodes its output as
-/// (see [`ide_core::output_encoding::java_debug_vm_args`]).
-fn match_java_debug_encoding(mut config: LaunchConfig, windows: bool) -> LaunchConfig {
-    if config.adapter != "java-debug" || config.request != "launch" {
-        return config;
-    }
-    let Some(serde_json::Value::Object(mut extra)) =
-        config.extra_json.as_deref().and_then(|e| serde_json::from_str(e).ok())
-    else {
-        return config;
-    };
-    let vm_args = extra.get("vmArgs").and_then(|v| v.as_str()).unwrap_or_default();
-    let encoding = extra.get("encoding").and_then(|v| v.as_str());
-    if let Some(vm_args) = ide_core::output_encoding::java_debug_vm_args(
-        vm_args,
-        &config.env,
-        |key| std::env::var(key).ok(),
-        encoding,
-        windows,
-    ) {
-        extra.insert("vmArgs".into(), vm_args.into());
-        config.extra_json = Some(serde_json::Value::Object(extra).to_string());
-    }
-    config
+    host.debugger.start_with(config, owner, custom).await
 }

 pub async fn debug_set_breakpoints(
@@ -315,12 +226,11 @@ pub async fn debug_attachable_processes(_host: &Host, _window: &str) -> IdeResul
 /// JVM to connect to `host:port`; returns the loopback port java-debug attaches to.
 pub async fn debug_listen_for_jvm(
    host: &Host,
-    window: &str,
+    _window: &str,
    request: ide_core::RequestId,
    jvm_host: String,
    port: u16,
 ) -> IdeResult<u16> {
-    host.require_trust(window)?;
    let token = host.begin_request(request);
    let result = jdwp::listen_for_jvm(&jvm_host, port, token).await;
    host.end_request(request);
@@ -445,55 +355,3 @@ pub(crate) fn register(d: &mut Dispatcher) {
        |c| async move { debug_redefine_classes(&c.host, &c.window, c.arg("session")?).await },
    );
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn launch(adapter: &str, request: &str, extra: serde_json::Value) -> LaunchConfig {
-        LaunchConfig {
-            name: "DromaraApplication".into(),
-            adapter: adapter.into(),
-            request: request.into(),
-            program: None,
-            args: vec![],
-            cwd: None,
-            env: [("JDK_JAVA_OPTIONS".into(), "".into()), ("JAVA_TOOL_OPTIONS".into(), "".into())].into(),
-            extra_json: Some(extra.to_string()),
-        }
-    }
-
-    fn vm_args(config: &LaunchConfig) -> serde_json::Value {
-        serde_json::from_str::<serde_json::Value>(config.extra_json.as_deref().unwrap()).unwrap()["vmArgs"].clone()
-    }
-
-    #[test]
-    fn java_debug_launches_on_windows_write_utf8() {
-        let extra =
-            serde_json::json!({"mainClass": "org.dromara.DromaraApplication", "vmArgs": "-Xmx1g", "debugServer": 1});
-        let fixed = match_java_debug_encoding(launch("java-debug", "launch", extra.clone()), true);
-        assert_eq!(
-            vm_args(&fixed),
-            "-Xmx1g -Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -Dfile.encoding=UTF-8"
-        );
-        assert_eq!(
-            serde_json::from_str::<serde_json::Value>(fixed.extra_json.as_deref().unwrap()).unwrap()["mainClass"],
-            "org.dromara.DromaraApplication"
-        );
-        // Attaching, other adapters and other platforms are left alone.
-        for (adapter, request, windows) in
-            [("java-debug", "attach", true), ("debugpy", "launch", true), ("java-debug", "launch", false)]
-        {
-            assert_eq!(vm_args(&match_java_debug_encoding(launch(adapter, request, extra.clone()), windows)), "-Xmx1g");
-        }
-    }
-
-    #[test]
-    fn java_debug_launches_respect_environment_encoding() {
-        for key in ["JDK_JAVA_OPTIONS", "JAVA_TOOL_OPTIONS"] {
-            let mut config = launch("java-debug", "launch", serde_json::json!({"vmArgs": "-Dstdout.encoding=GBK"}));
-            config.env.insert(key.into(), "-Dfile.encoding=GBK".into());
-            assert_eq!(vm_args(&match_java_debug_encoding(config, true)), "-Dstdout.encoding=GBK");
-        }
-    }
-}
@@ -1,182 +0,0 @@
-use ide_core::event::DebugEvent;
-use ide_core::{DebugSessionId, IdeEvent, SharedSink};
-use parking_lot::Mutex;
-use std::collections::HashMap;
-use std::sync::Arc;
-use std::time::Duration;
-
-const WINDOW: Duration = Duration::from_millis(50);
-const MAX_BYTES: usize = 64 * 1024;
-
-#[derive(Default)]
-struct Pending {
-    sessions: HashMap<DebugSessionId, (String, String)>,
-    scheduled: bool,
-}
-
-fn flush(pending: &mut Pending, sink: &SharedSink, session: DebugSessionId) {
-    if let Some((category, output)) = pending.sessions.remove(&session) {
-        sink.emit(IdeEvent::Debug { session, event: DebugEvent::Output { category, output } });
-    }
-}
-
-/// All debug output sources (including build output and child sessions) share this
-/// bounded batch before reaching desktop or remote IPC. Control events flush
-/// their session first, so a stop or exit cannot overtake preceding output.
-pub(super) fn coalescing_sink(sink: SharedSink) -> (SharedSink, impl Fn()) {
-    let pending = Arc::new(Mutex::new(Pending::default()));
-    let flush_pending = {
-        let pending = pending.clone();
-        let sink = sink.clone();
-        move || {
-            let mut state = pending.lock();
-            for (session, (category, output)) in state.sessions.drain() {
-                sink.emit(IdeEvent::Debug { session, event: DebugEvent::Output { category, output } });
-            }
-        }
-    };
-    let runtime = tokio::runtime::Handle::current();
-    let output: SharedSink = Arc::new(move |event| {
-        let mut state = pending.lock();
-        match event {
-            IdeEvent::Debug { session, event: DebugEvent::Output { category, output } } => {
-                if output.is_empty() {
-                    return;
-                }
-                if state.sessions.get(&session).is_some_and(|(c, _)| *c != category) {
-                    flush(&mut state, &sink, session);
-                }
-                let mut rest = output.as_str();
-                while !rest.is_empty() {
-                    let (_, text) = state.sessions.entry(session).or_insert_with(|| (category.clone(), String::new()));
-                    let mut end = rest.len().min(MAX_BYTES - text.len());
-                    while !rest.is_char_boundary(end) {
-                        end -= 1;
-                    }
-                    text.push_str(&rest[..end]);
-                    rest = &rest[end..];
-                    if text.len() == MAX_BYTES || !rest.is_empty() {
-                        flush(&mut state, &sink, session);
-                    }
-                }
-                if !state.scheduled && !state.sessions.is_empty() {
-                    state.scheduled = true;
-                    let pending = pending.clone();
-                    let sink = sink.clone();
-                    runtime.spawn(async move {
-                        tokio::time::sleep(WINDOW).await;
-                        let mut state = pending.lock();
-                        for (session, (category, output)) in state.sessions.drain() {
-                            sink.emit(IdeEvent::Debug { session, event: DebugEvent::Output { category, output } });
-                        }
-                        state.scheduled = false;
-                    });
-                }
-            }
-            IdeEvent::Debug { session, event } => {
-                flush(&mut state, &sink, session);
-                sink.emit(IdeEvent::Debug { session, event });
-            }
-            event => sink.emit(event),
-        }
-    });
-    (output, flush_pending)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn setup() -> (SharedSink, Arc<Mutex<Vec<IdeEvent>>>) {
-        let events = Arc::new(Mutex::new(Vec::new()));
-        let saved = events.clone();
-        (coalescing_sink(Arc::new(move |event| saved.lock().push(event))).0, events)
-    }
-
-    fn output(sink: &SharedSink, session: u32, category: &str, output: &str) {
-        sink.emit(IdeEvent::Debug {
-            session: DebugSessionId(session),
-            event: DebugEvent::Output { category: category.into(), output: output.into() },
-        });
-    }
-
-    #[tokio::test(start_paused = true)]
-    async fn explicit_start_completion_flush_does_not_duplicate_output() {
-        let events = Arc::new(Mutex::new(Vec::new()));
-        let saved = events.clone();
-        let (sink, flush) = coalescing_sink(Arc::new(move |event| saved.lock().push(event)));
-        output(&sink, 1, "console", "build failed\n");
-        flush();
-        assert_eq!(events.lock().len(), 1);
-        tokio::task::yield_now().await;
-        tokio::time::advance(WINDOW).await;
-        tokio::task::yield_now().await;
-        assert_eq!(events.lock().len(), 1);
-    }
-
-    #[tokio::test(start_paused = true)]
-    async fn batches_per_session_and_flushes_idle_output() {
-        let (sink, events) = setup();
-        for _ in 0..500 {
-            output(&sink, 1, "stdout", "line\n");
-        }
-        output(&sink, 2, "stdout", "other\n");
-        assert!(events.lock().is_empty());
-        tokio::task::yield_now().await;
-        tokio::time::advance(WINDOW).await;
-        tokio::task::yield_now().await;
-        let events = events.lock();
-        assert_eq!(events.len(), 2);
-        assert!(events.iter().any(|event| matches!(event,
-            IdeEvent::Debug { session: DebugSessionId(1), event: DebugEvent::Output { output, .. } }
-            if output == &"line\n".repeat(500))));
-    }
-
-    #[tokio::test]
-    async fn categories_and_control_events_keep_order() {
-        let (sink, events) = setup();
-        output(&sink, 1, "stdout", "out");
-        output(&sink, 1, "stderr", "err");
-        sink.emit(IdeEvent::Debug { session: DebugSessionId(1), event: DebugEvent::Terminated });
-        let events = events.lock();
-        assert_eq!(events.len(), 3);
-        assert!(matches!(&events[0], IdeEvent::Debug { event: DebugEvent::Output { category, output }, .. }
-            if category == "stdout" && output == "out"));
-        assert!(matches!(&events[1], IdeEvent::Debug { event: DebugEvent::Output { category, output }, .. }
-            if category == "stderr" && output == "err"));
-        assert!(matches!(&events[2], IdeEvent::Debug { event: DebugEvent::Terminated, .. }));
-    }
-
-    #[tokio::test(start_paused = true)]
-    async fn terminating_one_session_preserves_other_pending_output() {
-        let (sink, events) = setup();
-        output(&sink, 1, "stdout", "first");
-        output(&sink, 2, "stdout", "second");
-        sink.emit(IdeEvent::Debug { session: DebugSessionId(1), event: DebugEvent::Terminated });
-        assert_eq!(events.lock().len(), 2);
-        tokio::task::yield_now().await;
-        tokio::time::advance(WINDOW).await;
-        tokio::task::yield_now().await;
-        let events = events.lock();
-        assert_eq!(events.len(), 3);
-        assert!(matches!(&events[2],
-            IdeEvent::Debug { session: DebugSessionId(2), event: DebugEvent::Output { output, .. } }
-            if output == "second"));
-    }
-
-    #[tokio::test]
-    async fn large_unicode_events_are_bounded_without_loss() {
-        let (sink, events) = setup();
-        let text = "日志\n".repeat(100_000);
-        output(&sink, 1, "stdout", &text);
-        sink.emit(IdeEvent::Debug { session: DebugSessionId(1), event: DebugEvent::Terminated });
-        let mut combined = String::new();
-        for event in events.lock().iter() {
-            if let IdeEvent::Debug { event: DebugEvent::Output { output, .. }, .. } = event {
-                assert!(output.len() <= MAX_BYTES);
-                combined.push_str(output);
-            }
-        }
-        assert_eq!(combined, text);
-    }
-}
@@ -1,124 +0,0 @@
-//! Repository version lookups for manifest inspections and completion.
-use crate::{Host, rpc::Dispatcher};
-use ide_core::{CancellationToken, DocId, IdeError, IdeResult, RequestId};
-use ide_workspace::dependencies::{DependencyVersionSource, DependencyVersions, cargo};
-
-struct CratesIo;
-impl DependencyVersionSource for CratesIo {
-    fn id(&self) -> &'static str {
-        "crates-io"
-    }
-
-    fn fetch(&self, package: &str, cancel: &CancellationToken) -> IdeResult<Vec<String>> {
-        let path = cargo::index_path(package).ok_or_else(|| IdeError::internal("invalid crate name"))?;
-        let search_path = std::env::var_os("PATH").unwrap_or_default();
-        let text = ide_tools::Http::new(&search_path)?.https_only().get_text_limited(
-            &format!("https://index.crates.io/{path}"),
-            Some(16 * 1024 * 1024),
-            cancel,
-        )?;
-        cargo::parse_index(&text).ok_or_else(|| IdeError::internal("invalid sparse index"))
-    }
-}
-
-/// `offset` limits a completion request to its version string; inspections omit it.
-pub async fn dependency_versions(
-    host: &Host,
-    window: &str,
-    doc: DocId,
-    offset: Option<u32>,
-    request: RequestId,
-) -> IdeResult<Vec<DependencyVersions>> {
-    let project = host.project(window)?;
-    let cache = host.dependency_versions.clone();
-    let cancel = host.begin_request(request);
-    let result = host
-        .blocking(move || {
-            let snap = project.documents.snapshot(doc)?;
-            if snap.large || snap.read_only || snap.path.file_name().is_none_or(|n| n != "Cargo.toml") {
-                return Ok(Vec::new());
-            }
-            let mut out = Vec::new();
-            for dependency in cargo::dependencies(&snap.text) {
-                if offset.is_some_and(|pos| pos < dependency.from || pos > dependency.to) {
-                    continue;
-                }
-                if cancel.is_cancelled() {
-                    return Err(IdeError::cancelled());
-                }
-                let versions = cache.versions(&CratesIo, &dependency.package, &cancel)?;
-                let update = cargo::update(&dependency.requirement, &versions);
-                out.push(DependencyVersions { dependency, versions, update });
-            }
-            Ok(out)
-        })
-        .await;
-    host.end_request(request);
-    result
-}
-
-pub(crate) fn register(d: &mut Dispatcher) {
-    d.add("dependency_versions", |c| async move {
-        dependency_versions(&c.host, &c.window, c.arg("doc")?, c.arg("offset")?, c.arg("request")?).await
-    });
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::HostConfig;
-    use std::sync::Arc;
-
-    struct Source;
-    impl DependencyVersionSource for Source {
-        fn id(&self) -> &'static str {
-            "crates-io"
-        }
-        fn fetch(&self, _: &str, _: &CancellationToken) -> IdeResult<Vec<String>> {
-            Ok(vec!["1.10.0".into(), "0.2.1".into()])
-        }
-    }
-
-    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-    async fn host_uses_synced_document_cache_and_cursor_filter_without_network() {
-        let temp = tempfile::tempdir().unwrap();
-        let base = dunce::canonicalize(temp.path()).unwrap();
-        let root = base.join("project");
-        std::fs::create_dir(&root).unwrap();
-        let text = "# 中文 😀\n[dependencies]\ntokio = { version = \"0.2\", features = [\"full\"] }\nserde = \"1.0.100\"\nlocal = { path = \"../x\", version = \"0.2\" }\n";
-        let path = root.join("Cargo.toml");
-        std::fs::write(&path, text).unwrap();
-        let host = 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(|_| {})),
-            owner: |w| w,
-            runtime: tokio::runtime::Handle::current(),
-            project_environment: false,
-        });
-        let project = host.open_project("main", &root).unwrap();
-        let info = project.documents.open(&path).unwrap();
-        for package in ["tokio", "serde"] {
-            host.dependency_versions.versions(&Source, package, &CancellationToken::new()).unwrap();
-        }
-        let all = dependency_versions(&host, "main", info.id, None, RequestId(410)).await.unwrap();
-        assert_eq!(all.len(), 2);
-        assert_eq!(all[0].update.as_ref().unwrap().replacement, "1.10");
-        assert!(all[1].update.is_none());
-        let offset = all[1].dependency.from;
-        let at_cursor = dependency_versions(&host, "main", info.id, Some(offset), RequestId(411)).await.unwrap();
-        assert_eq!(at_cursor.len(), 1);
-        assert_eq!(at_cursor[0].dependency.package, "serde");
-        assert!(dependency_versions(&host, "main", info.id, Some(0), RequestId(412)).await.unwrap().is_empty());
-        host.cancel_request(RequestId(413));
-        assert!(dependency_versions(&host, "main", info.id, None, RequestId(413)).await.is_err());
-        let other = root.join("other.toml");
-        std::fs::write(&other, text).unwrap();
-        let info = project.documents.open(&other).unwrap();
-        assert!(dependency_versions(&host, "main", info.id, None, RequestId(414)).await.unwrap().is_empty());
-        host.close_project("main");
-    }
-}