fix(macos): 修复工作台壁纸下编辑器右侧黑边

.agents/notes/implemented/architecture/2026-09-15-macos-monaco-feasibility-probe.md

@@ -370,6 +370,9 @@ Monaco 视图。语法 token 仍使用统一的 `color-mappings.json` 与共享
 选择、当前行和缩进引导线仍使用当前主题颜色。只把 SwiftUI 外层设为透明是不够的，
 因为不透明的 WebView 或 `editor.background` 仍会覆盖图片。也不能把 Monaco 永久设成
 透明，否则没有背景图时会丢失正常的编辑器表面和主题颜色。
+主题背景色还必须传给 `editorOverviewRuler.background`。启用右侧代码缩略图时，
+Monaco 会给未指定背景的概览标尺填入默认分词背景色，在壁纸模式下形成黑色竖条；
+显式传入透明色后，概览标尺与编辑区一起露出工作台图片。
 
 ### 只读差异视图
 

.agents/skills/write-stable-tests/references/windows-and-rust.md

@@ -52,8 +52,11 @@ Git subprocesses, sometimes rebuilding several repositories in one case. The
 SharedRust lane assigns the `tests::git_history_rewrite::` module and the older
 `tests::git::git_write_squashes_`, `git_write_deletes_a_local_commit_`, and
 `git_write_edits_a_local_commit_message_` scenarios a 30-second process budget.
-Core rebase requests use a nested 20-second deadline. Other cases retain the
-normal 15-second budget. The Rust runner's repeatable
+The `tests::git_patch_exchange::patch_metadata_can_list_an_oversized_export_before_selecting_a_small_subset`
+case also gets 30 seconds because it writes and inspects a real file larger
+than the 32 MiB patch limit; Windows CI terminated it at 16.1 seconds under
+the default 15-second limit. Core rebase requests use a nested 20-second
+deadline. Other cases retain the normal 15-second budget. The Rust runner's repeatable
 `--test-budget prefix=milliseconds` option uses the most specific matching
 prefix, records each case's effective budget in JSON, uses that budget for
 HTML/JUnit classification, and remains capped by the shared suite deadline.

.agents/skills/write-stable-tests/scripts/test-stability-windows.ps1

@@ -75,7 +75,8 @@ function Invoke-TimedRustTests {
                 "tests::git_history_rewrite::",
                 "tests::git::git_write_squashes_",
                 "tests::git::git_write_deletes_a_local_commit_",
-                "tests::git::git_write_edits_a_local_commit_message_"
+                "tests::git::git_write_edits_a_local_commit_message_",
+                "tests::git_patch_exchange::patch_metadata_can_list_an_oversized_export_before_selecting_a_small_subset"
             )) {
                 $arguments += @("--test-budget", "${prefix}=30000")
             }

.github/workflows/ci-windows.yml

@@ -463,6 +463,7 @@ jobs:
             --test-budget tests::git::git_write_squashes_=30000 `
             --test-budget tests::git::git_write_deletes_a_local_commit_=30000 `
             --test-budget tests::git::git_write_edits_a_local_commit_message_=30000 `
+            --test-budget tests::git_patch_exchange::patch_metadata_can_list_an_oversized_export_before_selecting_a_small_subset=30000 `
             --build-timeout-ms 600000 `
             --suite-timeout-ms 1200000 `
             --report .artifacts/test-stability/windows-real-jdt.json

docs/development/platform-parity-matrix.csv

@@ -15,6 +15,7 @@ workspace-tabs-projects,工作区,工作区生命周期,多项目与多标签,
 editor-text-tabs,编辑器,文本编辑,文本编辑与标签生命周期,已实现,待验证,已实现,待验证,Editor,打开、编辑、保存、关闭和恢复多个文本文件，确认光标、脏状态和标签状态；在 macOS 打开无扩展名文本文件，确认标签与项目树图标一致；从外部改为二进制后折叠并展开项目树，确认两处图标更新一致。,,macos/Sources/Lithe/Views/Editor; macos/Sources/Lithe/Models/Editor,windows/tauri/src/features/editor; windows/tauri/src/features/tabs
 editor-pointer-selection,编辑器,文本编辑,鼠标与触控板点击、选词和拖选,已实现,待验证,已实现,待验证,Editor,macOS 分别启用微信输入法和系统 ABC，快速轻点不同位置后松手移动，确认不扩展选区、不移动文字；验证同位置双击选词、Shift 点击扩选、按住拖选、选中文字拖放、主编辑器和分屏及 diff。运行 scripts/probe-macos-monaco.sh --workbench-tests；Windows 验证同样的正常鼠标交互。,macOS 在宿主修正 WebKit 零按钮按下事件，保留 Monaco 选择语义。Linux Chromium 真实 Monaco 控制事件回放通过，仍待 macOS 微信输入法与 Windows WebView2 实机验证。,macos/EditorFrontend/main.ts; macos/EditorFrontend/mouse-input.ts; macos/Experiments/Monaco/mouse-input.integration.ts,windows/tauri/src/features/editor/components/monaco-editor.tsx
 editor-language-basics,编辑器,文本编辑,语法高亮与编辑器模型,已实现,待验证,已实现,待验证,Editor,分别打开 Java、Markdown 和普通文本，确认语言识别、语法高亮和模型切换；开启缩略图并滚动，确认滚动条轨道不透出编辑器代码。,,macos/Sources/Lithe/Views/Editor; macos/Sources/Lithe/Models/Editor,windows/tauri/src/features/editor; frontend/editor; windows/tauri/src/features/editor/engines/monaco/theme.ts
+editor-wallpaper-overview-ruler,编辑器,编辑器外观,macOS 工作台壁纸模式下，编辑器概览标尺与代码缩略图随编辑器背景透明，不显示黑色竖条；普通主题仍保持实体背景,已实现,待验证,平台专属,不适用,Editor,在 macOS 选择工作台背景并打开文本文件，分别关闭和打开右侧 Agent 面板，确认编辑器最右侧概览标尺不出现黑色竖条；关闭背景图后确认普通主题底色保持不变。运行真实 WebKit 工作台主题集成测试。Windows 不使用 macOS 原生工作台壁纸。,,frontend/editor/src/theme.ts; macos/Sources/Lithe/Platform/MacOS/MonacoWorkbenchEditor.swift; macos/Experiments/Monaco/workbench.integration.ts,windows/tauri/src/features/editor/engines/monaco/theme.ts
 editor-semantic-highlighting,编辑器,文本编辑,LSP 语义高亮,已实现,待验证,已实现,待验证,Editor / Language Tooling,打开普通 Java 文件并等待 JDTLS 就绪，开启语义高亮，确认字段、方法等按协商图例上色；编辑、切换、关闭文档和重连服务器后不应用旧结果；服务器 refresh 后重新请求；关闭设置或大文件降级时保留基础语法高亮。,Windows 复用 Core semanticTokens 和共享 fixture，修复 #675；Linux 上的适配器与模型测试不替代 Windows WebView2/JDTLS 实机验收。,macos/Sources/Lithe/Models/AppModel/AppModel+LanguageEditing.swift; macos/Sources/LitheLanguageIntelligenceModule/Runtime/LanguageServerSession.swift; frontend/editor/src/semantic-tokens.ts,windows/tauri/src/platform/lsp-core-adapter.ts; windows/tauri/src/features/editor/lsp/lsp-client.ts; windows/tauri/src/features/editor/engines/monaco/semantic-token-provider.ts; windows/tauri/src/features/editor/engines/monaco/semantic-token-provider.test.ts; windows/tauri/src/platform/lsp-core-adapter.test.ts
 editor-multiline-tabs,编辑器,文本编辑,多行标签与标签导航,已实现,待验证,已实现,待验证,Editor,打开足够多文件触发多行标签，确认滚动、切换、关闭和活动文件保持。,,macos/Sources/Lithe/Views/Editor,windows/tauri/src/features/tabs
 search-quick-open,搜索,搜索与导航,快速打开文件与符号,已实现,待验证,已实现,待验证,Search,使用文件名、路径和符号查询，确认排序、键盘导航和打开位置。,,macos/Sources/Lithe/Views/Search; macos/Sources/Lithe/Views/Workbench,windows/tauri/src/features/quick-open

docs/development/platform-parity-matrix.md

@@ -4,9 +4,9 @@
 
 - 最后复核：2026-09-27
 - 盘点状态：initial-static-inventory（根据 macOS Views/Application/Services、Windows features/extensions 和共享契约的代码入口进行初版盘点；未替代真实运行验收。）
-- 功能项：101
-- macOS：实现：✅ 88 已实现，🟡 3 部分实现，❌ 7 未实现，🧩 3 平台专属；验证：✔️ 0 已验证，🔍 91 待验证，— 10 不适用
-- Windows：实现：✅ 87 已实现，🟡 10 部分实现，❌ 4 未实现，🧩 0 平台专属；验证：✔️ 0 已验证，🔍 97 待验证，— 4 不适用
+- 功能项：102
+- macOS：实现：✅ 89 已实现，🟡 3 部分实现，❌ 7 未实现，🧩 3 平台专属；验证：✔️ 0 已验证，🔍 92 待验证，— 10 不适用
+- Windows：实现：✅ 87 已实现，🟡 10 部分实现，❌ 4 未实现，🧩 1 平台专属；验证：✔️ 0 已验证，🔍 97 待验证，— 5 不适用
 
 ## 实现状态定义
 
@@ -66,13 +66,14 @@
 </details>
 
 <details>
-<summary><strong>编辑器</strong> · 13 个能力点</summary>
+<summary><strong>编辑器</strong> · 14 个能力点</summary>
 
 | 功能组 | 能力点 | macOS | Windows | 负责人 | 验证方式 | 备注 |
 | --- | --- | --- | --- | --- | --- | --- |
 | 文本编辑 | **文本编辑与标签生命周期**<br><sub>editor-text-tabs</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`macos/Sources/Lithe/Views/Editor`、`macos/Sources/Lithe/Models/Editor`</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`windows/tauri/src/features/editor`、`windows/tauri/src/features/tabs`</sub> | Editor | 打开、编辑、保存、关闭和恢复多个文本文件，确认光标、脏状态和标签状态；在 macOS 打开无扩展名文本文件，确认标签与项目树图标一致；从外部改为二进制后折叠并展开项目树，确认两处图标更新一致。 |  |
 | 文本编辑 | **鼠标与触控板点击、选词和拖选**<br><sub>editor-pointer-selection</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`macos/EditorFrontend/main.ts`、`macos/EditorFrontend/mouse-input.ts`、`macos/Experiments/Monaco/mouse-input.integration.ts`</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`windows/tauri/src/features/editor/components/monaco-editor.tsx`</sub> | Editor | macOS 分别启用微信输入法和系统 ABC，快速轻点不同位置后松手移动，确认不扩展选区、不移动文字；验证同位置双击选词、Shift 点击扩选、按住拖选、选中文字拖放、主编辑器和分屏及 diff。运行 scripts/probe-macos-monaco.sh --workbench-tests；Windows 验证同样的正常鼠标交互。 | macOS 在宿主修正 WebKit 零按钮按下事件，保留 Monaco 选择语义。Linux Chromium 真实 Monaco 控制事件回放通过，仍待 macOS 微信输入法与 Windows WebView2 实机验证。 |
 | 文本编辑 | **语法高亮与编辑器模型**<br><sub>editor-language-basics</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`macos/Sources/Lithe/Views/Editor`、`macos/Sources/Lithe/Models/Editor`</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`windows/tauri/src/features/editor`、`frontend/editor`、`windows/tauri/src/features/editor/engines/monaco/theme.ts`</sub> | Editor | 分别打开 Java、Markdown 和普通文本，确认语言识别、语法高亮和模型切换；开启缩略图并滚动，确认滚动条轨道不透出编辑器代码。 |  |
+| 编辑器外观 | **macOS 工作台壁纸模式下，编辑器概览标尺与代码缩略图随编辑器背景透明，不显示黑色竖条；普通主题仍保持实体背景**<br><sub>editor-wallpaper-overview-ruler</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`frontend/editor/src/theme.ts`、`macos/Sources/Lithe/Platform/MacOS/MonacoWorkbenchEditor.swift`、`macos/Experiments/Monaco/workbench.integration.ts`</sub> | 🧩 平台专属<br><sub>— 不适用</sub><br><sub>`windows/tauri/src/features/editor/engines/monaco/theme.ts`</sub> | Editor | 在 macOS 选择工作台背景并打开文本文件，分别关闭和打开右侧 Agent 面板，确认编辑器最右侧概览标尺不出现黑色竖条；关闭背景图后确认普通主题底色保持不变。运行真实 WebKit 工作台主题集成测试。Windows 不使用 macOS 原生工作台壁纸。 |  |
 | 文本编辑 | **LSP 语义高亮**<br><sub>editor-semantic-highlighting</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`macos/Sources/Lithe/Models/AppModel/AppModel+LanguageEditing.swift`、`macos/Sources/LitheLanguageIntelligenceModule/Runtime/LanguageServerSession.swift`、`frontend/editor/src/semantic-tokens.ts`</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`windows/tauri/src/platform/lsp-core-adapter.ts`、`windows/tauri/src/features/editor/lsp/lsp-client.ts`、`windows/tauri/src/features/editor/engines/monaco/semantic-token-provider.ts`、`windows/tauri/src/features/editor/engines/monaco/semantic-token-provider.test.ts`、`windows/tauri/src/platform/lsp-core-adapter.test.ts`</sub> | Editor / Language Tooling | 打开普通 Java 文件并等待 JDTLS 就绪，开启语义高亮，确认字段、方法等按协商图例上色；编辑、切换、关闭文档和重连服务器后不应用旧结果；服务器 refresh 后重新请求；关闭设置或大文件降级时保留基础语法高亮。 | Windows 复用 Core semanticTokens 和共享 fixture，修复 #675；Linux 上的适配器与模型测试不替代 Windows WebView2/JDTLS 实机验收。 |
 | 文本编辑 | **多行标签与标签导航**<br><sub>editor-multiline-tabs</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`macos/Sources/Lithe/Views/Editor`</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`windows/tauri/src/features/tabs`</sub> | Editor | 打开足够多文件触发多行标签，确认滚动、切换、关闭和活动文件保持。 |  |
 | Markdown | **Markdown 预览与富文本渲染**<br><sub>markdown-rendering</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`macos/Sources/Lithe/Views/Editor/MarkdownPreviewView.swift`、`macos/Sources/Lithe/Core/Ports/MarkdownRendering.swift`</sub> | ✅ 已实现<br><sub>🔍 待验证</sub><br><sub>`windows/tauri/src/features/editor/markdown`</sub> | Editor | 使用代码高亮、表格、Mermaid、链接和相对路径 fixture 对比渲染结果。 |  |

frontend/editor/src/theme.ts

@@ -47,8 +47,9 @@ export function defineWorkbenchTheme(input: WorkbenchThemeInput, palette: Syntax
     "editorOverviewRuler.wordHighlightTextForeground": "#00000000",
   };
   const surfaceColors: [keyof NonNullable<WorkbenchThemeInput["colors"]>, string[]][] = [
+    // Monaco otherwise fills the right overview ruler from tokenizer defaults when the minimap is enabled.
     ["background", ["editor.background", "editorGutter.background", "editorStickyScroll.background",
-      "editorStickyScrollGutter.background", "minimap.background"]],
+      "editorStickyScrollGutter.background", "minimap.background", "editorOverviewRuler.background"]],
     ["cursor", ["editorCursor.foreground"]],
     ["selection", ["editor.selectionBackground", "editor.inactiveSelectionBackground"]],
     ["lineHighlight", ["editor.lineHighlightBackground"]],

macos/Experiments/Monaco/workbench.integration.ts

@@ -393,6 +393,14 @@ async function verify() {
     });
     const surface = editor.getDomNode()!;
     const backgroundColor = () => getComputedStyle(surface).backgroundColor.replace(/ /g, "");
+    const overviewRulerBackground = () => getComputedStyle(surface)
+      .getPropertyValue("--vscode-editorOverviewRuler-background").trim().replace(/ /g, "");
+    const overviewRulerPixel = () => {
+      editor.render();
+      const canvas = surface.querySelector<HTMLCanvasElement>(".decorationsOverviewRuler")!;
+      assert(canvas.width > 0 && canvas.height > 0, "overview ruler has no render surface");
+      return [...canvas.getContext("2d")!.getImageData(Math.floor(canvas.width / 2), Math.floor(canvas.height / 2), 1, 1).data];
+    };
     try {
       window.lithe.configure({
         fontFamily: "monospace", fontSize: 13, wrap: false, minimap: true,
@@ -403,6 +411,9 @@ async function verify() {
       const solid = backgroundColor();
       assert(["rgb(242,243,244)", "rgba(242,243,244,1)"].includes(solid),
         `host light theme did not replace Monaco's initial dark surface: ${solid}`);
+      assert(overviewRulerBackground() === "#f2f3f4",
+        `opaque overview ruler background did not match the editor surface: ${overviewRulerBackground()}`);
+      assert(overviewRulerPixel().join() === "242,243,244,255", "solid overview ruler rendered with a different background");
       window.lithe.configure({
         fontFamily: "monospace", fontSize: 13, wrap: false, minimap: true,
         theme: { id: "probe-light-wallpaper", dark: false, colors: {
@@ -412,6 +423,9 @@ async function verify() {
       const transparent = backgroundColor();
       assert(transparent === "rgba(0,0,0,0)",
         `transparent Monaco surface still covered the native wallpaper: ${transparent}`);
+      assert(overviewRulerBackground() === "rgba(0,0,0,0)",
+        `overview ruler still covered the native wallpaper: ${overviewRulerBackground()}`);
+      assert(overviewRulerPixel().join() === "0,0,0,0", "transparent overview ruler rendered an opaque strip");
     } finally {
       window.lithe.configure({ dark: false, fontFamily: "monospace", fontSize: 13, wrap: false, minimap: true });
       await window.lithe.retain([]);

shared/platform-feature-matrix.json

@@ -460,6 +460,28 @@
       "owner": "Editor",
       "verification": "分别打开 Java、Markdown 和普通文本，确认语言识别、语法高亮和模型切换；开启缩略图并滚动，确认滚动条轨道不透出编辑器代码。"
     },
+    {
+      "id": "editor-wallpaper-overview-ruler",
+      "area": "编辑器",
+      "group": "编辑器外观",
+      "capability": "macOS 工作台壁纸模式下，编辑器概览标尺与代码缩略图随编辑器背景透明，不显示黑色竖条；普通主题仍保持实体背景",
+      "macos": {
+        "implementationStatus": "implemented",
+        "verificationStatus": "pending",
+        "evidence": [
+          "frontend/editor/src/theme.ts",
+          "macos/Sources/Lithe/Platform/MacOS/MonacoWorkbenchEditor.swift",
+          "macos/Experiments/Monaco/workbench.integration.ts"
+        ]
+      },
+      "windows": {
+        "implementationStatus": "platform-specific",
+        "verificationStatus": "not-applicable",
+        "evidence": ["windows/tauri/src/features/editor/engines/monaco/theme.ts"]
+      },
+      "owner": "Editor",
+      "verification": "在 macOS 选择工作台背景并打开文本文件，分别关闭和打开右侧 Agent 面板，确认编辑器最右侧概览标尺不出现黑色竖条；关闭背景图后确认普通主题底色保持不变。运行真实 WebKit 工作台主题集成测试。Windows 不使用 macOS 原生工作台壁纸。"
+    },
     {
       "id": "editor-semantic-highlighting",
       "area": "编辑器",