✨ 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.tsx

@@ -1,10 +1,10 @@
 import type { KeyboardEvent, ReactElement } from 'react'
 import type { Ask } from './qa'
-import type { QaEntryView, QaThreadView } from './types'
+import type { QaEntryView } from './types'
 import { ChevronDown, ChevronRight, CircleStop, LoaderCircle, SendHorizontal, Sparkles, Trash2, TriangleAlert } from 'lucide-react'
 import { useState } from 'react'
 import { renderMarkdown, renderMarkdownOnce } from './markdown'
-import { answerPreview, relativeTime, whereLabel } from './qa'
+import { answerPreview, relativeTime } from './qa'
 
 /** 问过的一次，灰字：问题、时间、「已理解，删除」，下面回答的前两行；点问题或预览展开整段回答（照样灰字，按 Markdown 排） */
 function HistoryItem({ entry, now, onDelete }: { entry: QaEntryView, now: number, onDelete: () => void }): ReactElement {
@@ -170,29 +170,3 @@ export function AskThread({ history, asks, open, now = Date.now(), onAsk, onStop
     </section>
   )
 }
-
-/** 预览顶上的灰字一栏：代码改动后找不到原来位置的问答，写着原来在哪，照样能看、能删 */
-export function OrphanThreads({ threads, kindName, now = Date.now(), onDelete }: {
-  threads: QaThreadView[]
-  kindName: (kind: string) => string
-  now?: number
-  onDelete: (anchor: string, entryId: string) => void
-}): ReactElement {
-  const [expanded, setExpanded] = useState(true)
-  const Chevron = expanded ? ChevronDown : ChevronRight
-  const count = threads.reduce((sum, thread) => sum + thread.entries.length, 0)
-  return (
-    <section className="cr-qa-orphans" aria-label="代码改动后找不到原来位置的问答">
-      <button type="button" className="cr-qa-summary" aria-expanded={expanded} onClick={() => setExpanded(value => !value)}>
-        <Chevron size={12} strokeWidth={1.8} aria-hidden />
-        {`代码改动后找不到原来位置的问答 · ${count} 条`}
-      </button>
-      {expanded && threads.map(thread => (
-        <div key={thread.anchor} className="cr-qa">
-          <div className="cr-qa-where">{`原来在：${whereLabel(thread.where, kindName)}`}</div>
-          {thread.entries.map(entry => <HistoryItem key={entry.id} entry={entry} now={now} onDelete={() => onDelete(thread.anchor, entry.id)} />)}
-        </div>
-      ))}
-    </section>
-  )
-}