✨ feat(vscode): 代码阅读预览里工作区外的库文件也能问 AI，问答记进第一个工作区文件夹，重写注释不对库文件开放

vscode/src/codeReader/editor/pathPreview.test.ts

@@ -0,0 +1,35 @@
+import type { Uri } from 'vscode'
+import { describe, expect, it, vi } from 'vitest'
+import { pathQaLocation, topQaLocation } from './pathPreview'
+
+const places = vi.hoisted(() => {
+  const folder = { uri: { scheme: 'file', path: '/ws/app', fsPath: '/ws/app', toString: () => 'file:///ws/app' }, name: 'app', index: 0 }
+  /** ⌘ 点进去的标准库源码，不在工作区里 */
+  const library = { scheme: 'file', query: '', path: '/Users/me/.local/lib/python3.12/pathlib.py', fsPath: '/Users/me/.local/lib/python3.12/pathlib.py' }
+  /** locateQa 给它的位置：第一个工作区文件夹，键是 ~/… */
+  const outside = { folder, key: '~/.local/lib/python3.12/pathlib.py', promptPath: library.fsPath, outsideDir: '/Users/me/.local/lib/python3.12' }
+  return { folder, library, outside }
+})
+
+vi.mock('vscode', () => ({
+  Uri: {},
+  workspace: {
+    workspaceFolders: [places.folder],
+    getWorkspaceFolder: (uri: { path: string }) => uri.path === '/ws/app' || uri.path.startsWith('/ws/app/') ? places.folder : undefined,
+  },
+}))
+vi.mock('../folderStore', () => ({ locateQa: (uri: { path: string }) => uri.path === places.library.path ? places.outside : undefined }))
+
+describe('顶部问答记在哪', () => {
+  it('工作区外的库文件也能在顶部问：和块下面的问答同一个定位（第一个工作区文件夹 + ~/… 键）', () => {
+    const library = places.library as unknown as Uri
+    expect(pathQaLocation(library)).toEqual(places.outside)
+    expect(topQaLocation(library)).toEqual({ folder: places.folder, key: 'file:///ws/app\n~/.local/lib/python3.12/pathlib.py' })
+  })
+
+  it('工作区根本身也能问：键是空字符串，发给模型也是空的（写成 .）', () => {
+    const root = { scheme: 'file', query: '', path: '/ws/app', fsPath: '/ws/app' } as unknown as Uri
+    expect(pathQaLocation(root)).toEqual({ folder: places.folder, key: '', promptPath: '' })
+    expect(topQaLocation(root)).toEqual({ folder: places.folder, key: 'file:///ws/app\n' })
+  })
+})