fix: sync user status changes across team lifecycle

- Accept invitation: update local userStore status to in_team
- Start game: update userStore status to in_team
- End game: update userStore status to idle, simplify endGame logic
- Add $autoCancel:false to endGame session fetch

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/api/invitations.ts

@@ -100,6 +100,13 @@ export async function respondInvitation(
 
     // 更新用户状态为 in_team
     await pb.collection('users').update(user.id, { status: 'in_team' })
+
+    // 同步更新本地 userStore
+    const { useUserStore } = await import('@/stores/user')
+    const userStore = useUserStore()
+    if (userStore.user) {
+      userStore.user.status = 'in_team'
+    }
   }
 
   // 更新邀请状态

frontend/src/api/sessions.ts

@@ -51,7 +51,9 @@ export async function updateTeamStatus(sessionId: string, status: TeamStatus): P
 
 // 结束游戏（解散临时小组 + 重置成员状态）
 export async function endGame(sessionId: string) {
-  const session = await pb.collection('team_sessions').getOne(sessionId) as any
+  const session = await pb.collection('team_sessions').getOne(sessionId, {
+    $autoCancel: false
+  }) as any
   const members: string[] = session.members || []
 
   // 解散临时小组
@@ -60,10 +62,7 @@ export async function endGame(sessionId: string) {
   // 重置所有成员状态为 idle
   for (const memberId of members) {
     try {
-      const user = await pb.collection('users').getOne(memberId) as any
-      if (user && user.status === 'in_team') {
-        await pb.collection('users').update(memberId, { status: 'idle' })
-      }
+      await pb.collection('users').update(memberId, { status: 'idle' })
     } catch (_) {}
   }
 }