✨ feat(vscode): 问 AI 收起再展开、重启后接着这块最近的会话问；代码改了对不上的问答不再显示

vscode/webview-ui/src/codeReader/AskThread.test.tsx

@@ -3,7 +3,7 @@ import type { Ask } from './qa'
 import type { QaEntryView } from './types'
 import { renderToStaticMarkup } from 'react-dom/server'
 import { describe, expect, it } from 'vitest'
-import { AskThread, OrphanThreads } from './AskThread'
+import { AskThread } from './AskThread'
 
 const NOW = new Date(2026, 8, 26, 15, 0).getTime()
 
@@ -68,19 +68,3 @@ describe('块下面的问答区', () => {
     expect(text(render({ open: true, asks: [ask({})] }))).toContain('正在想…')
   })
 })
-
-describe('找不到原来位置的问答', () => {
-  it('灰字一栏：写着原来在哪，问答照样能删', () => {
-    const html = renderToStaticMarkup(
-      <OrphanThreads
-        threads={[{ anchor: 'function display > if @1', where: [{ kind: 'function', name: 'display' }, { kind: 'if' }], entries: HISTORY }]}
-        kindName={kind => ({ function: '函数', if: '条件' })[kind] ?? kind}
-        now={NOW}
-        onDelete={() => {}}
-      />,
-    )
-    expect(text(html)).toContain('代码改动后找不到原来位置的问答 · 2 条')
-    expect(text(html)).toContain('原来在：函数 display › 条件')
-    expect(html.match(/aria-label="已理解，删除"/g)).toHaveLength(2)
-  })
-})