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 (_) {}
   }
 }

frontend/src/stores/team.ts

@@ -5,6 +5,7 @@ import type { TeamSession, TeamStatus } from '@/types'
 import { getActiveTeamSession, createTeamSession, updateTeamStatus, endGame } from '@/api/sessions'
 import { pb } from '@/api/pocketbase'
 import { getPendingInvitations, sendBulkInvitations } from '@/api/invitations'
+import { useUserStore } from '@/stores/user'
 
 export const useTeamStore = defineStore('team', () => {
   // 状态
@@ -74,6 +75,15 @@ export const useTeamStore = defineStore('team', () => {
     try {
       const updated = await updateTeamStatus(currentSession.value.id, status)
       currentSession.value = updated
+
+      // 同步更新创建者状态
+      const userStore = useUserStore()
+      if (status === 'playing') {
+        await userStore.setStatus('in_team')
+      } else if (status === 'dissolved' || status === 'finished') {
+        await userStore.setStatus('idle')
+      }
+
       return updated
     } catch (error: any) {
       console.error('更新小组状态失败:', error)
@@ -89,6 +99,10 @@ export const useTeamStore = defineStore('team', () => {
       loading.value = true
       await endGame(currentSession.value.id)
       currentSession.value = null
+
+      // 重置本地用户状态
+      const userStore = useUserStore()
+      await userStore.setStatus('idle')
     } catch (error: any) {
       console.error('结束游戏失败:', error)
       throw error