✨ feat(vscode): 问 AI 输入框旁边能选 Claude profile，记住上次选的，问答灰字写用哪个 profile 答的

vscode/src/codeReader/qa/qaMap.ts

@@ -13,6 +13,8 @@ export interface QaEntry {
   answer: string
   createdAt: string
   sessionId: string
+  /** 用哪个 profile 答的（profile 名）；选「默认」时、以前存的没有 */
+  profile?: string
 }
 
 /** 挂在一块上的问答。 */
@@ -34,10 +36,10 @@ function text(value: unknown): string | undefined {
 function parseEntry(value: unknown): QaEntry | undefined {
   if (!isRecord(value))
     return undefined
-  const [id, question, answer, createdAt] = [text(value.id), text(value.question), text(value.answer), text(value.createdAt)]
+  const [id, question, answer, createdAt, profile] = [text(value.id), text(value.question), text(value.answer), text(value.createdAt), text(value.profile)]
   if (!id || !question || !answer || !createdAt || Number.isNaN(Date.parse(createdAt)))
     return undefined
-  return { id, question, answer, createdAt, sessionId: typeof value.sessionId === 'string' ? value.sessionId : '' }
+  return { id, question, answer, createdAt, sessionId: typeof value.sessionId === 'string' ? value.sessionId : '', ...(profile && { profile }) }
 }
 
 /** 同一块的并成一项；块按记号排，问答按时间排：写出来的顺序稳定，git diff 干净。 */