✨ feat(vscode): 代码阅读侧栏可以按审查工单只看 PR 改过的文件：标题栏「选工单」列出看板「审查」列，选中后树里只剩改过的文件（M / A / D 着色），点开的是本机工作副本里 PR 最新的代码，没有就拉 PR 分支建一个，「显示全部」退出

vscode/src/codeReader/review/changedFiles.test.ts

@@ -0,0 +1,80 @@
+import { describe, expect, it } from 'vitest'
+import { buildChangedTree, CHANGE_STYLES, changeOf } from './changedFiles'
+
+describe('改动状态', () => {
+  it('新增 A、删除 D，别的（改名、复制、改了、没改）都算修改 M', () => {
+    expect(changeOf('added')).toBe('A')
+    expect(changeOf('deleted')).toBe('D')
+    for (const status of ['changed', 'modified', 'renamed', 'copied', 'unchanged', ''])
+      expect(changeOf(status)).toBe('M')
+  })
+
+  it('颜色照 VS Code 源代码管理的 git 装饰色，删掉的提示「PR 里删掉了」', () => {
+    expect(CHANGE_STYLES.M.color).toBe('gitDecoration.modifiedResourceForeground')
+    expect(CHANGE_STYLES.A.color).toBe('gitDecoration.addedResourceForeground')
+    expect(CHANGE_STYLES.D.color).toBe('gitDecoration.deletedResourceForeground')
+    expect(CHANGE_STYLES.D.tooltip).toBe('PR 里删掉了')
+  })
+})
+
+describe('改动的文件树', () => {
+  // 原型「审查 · 改动的文件」里的 6 个文件，外加一个改名的
+  const files = [
+    { path: 'backend/src/luffy_agent/user/routes.py', status: 'changed' },
+    { path: 'backend/tests/user/test_avatar.py', status: 'added' },
+    { path: 'backend/src/luffy_agent/core/storage.py', status: 'changed' },
+    { path: 'backend/src/luffy_agent/user/legacy_profile.py', status: 'deleted' },
+    { path: 'backend/src/luffy_agent/user/services.py', status: 'changed' },
+    { path: 'backend/src/luffy_agent/user/schemas.py', status: 'renamed' },
+  ]
+  const tree = buildChangedTree(files)
+  const names = (dir: string): string[] => (tree.get(dir) ?? []).map(entry => entry.name)
+
+  it('目录层级照留，每层只有通往改过的文件的目录', () => {
+    expect(names('')).toEqual(['backend'])
+    expect(names('backend')).toEqual(['src', 'tests'])
+    expect(names('backend/src')).toEqual(['luffy_agent'])
+    expect(names('backend/src/luffy_agent')).toEqual(['core', 'user'])
+    expect(names('backend/src/luffy_agent/core')).toEqual(['storage.py'])
+    expect(names('backend/tests/user')).toEqual(['test_avatar.py'])
+  })
+
+  it('同一层里的文件按名字排，带着各自的改动和相对仓库根的路径', () => {
+    expect(tree.get('backend/src/luffy_agent/user')).toEqual([
+      { name: 'legacy_profile.py', path: 'backend/src/luffy_agent/user/legacy_profile.py', isDirectory: false, change: 'D' },
+      { name: 'routes.py', path: 'backend/src/luffy_agent/user/routes.py', isDirectory: false, change: 'M' },
+      { name: 'schemas.py', path: 'backend/src/luffy_agent/user/schemas.py', isDirectory: false, change: 'M' },
+      { name: 'services.py', path: 'backend/src/luffy_agent/user/services.py', isDirectory: false, change: 'M' },
+    ])
+  })
+
+  it('目录没有改动，路径相对仓库根', () => {
+    expect(tree.get('backend')).toEqual([
+      { name: 'src', path: 'backend/src', isDirectory: true },
+      { name: 'tests', path: 'backend/tests', isDirectory: true },
+    ])
+  })
+
+  it('目录在前、文件在后，名字不区分大小写，和普通的树一样', () => {
+    const mixed = buildChangedTree([
+      { path: 'README.md', status: 'changed' },
+      { path: 'src/a.ts', status: 'added' },
+      { path: 'Docs/b.md', status: 'added' },
+      { path: 'package.json', status: 'changed' },
+    ])
+    expect(mixed.get('')?.map(entry => entry.name)).toEqual(['Docs', 'src', 'package.json', 'README.md'])
+  })
+
+  it('文件换成同名目录（删掉 a、新加 a/b）两项都留着', () => {
+    const replaced = buildChangedTree([{ path: 'a', status: 'deleted' }, { path: 'a/b', status: 'added' }])
+    expect(replaced.get('')).toEqual([
+      { name: 'a', path: 'a', isDirectory: true },
+      { name: 'a', path: 'a', isDirectory: false, change: 'D' },
+    ])
+    expect(replaced.get('a')?.map(entry => entry.change)).toEqual(['A'])
+  })
+
+  it('没有改动的文件时根下面是空的', () => {
+    expect(buildChangedTree([]).get('')).toEqual([])
+  })
+})