fix: 团队统计只计算未删除的活跃用户

- get_accessible_team_member_ids 增加 is_deleted=False 和 is_active=True 过滤
- 避免统计已离职/删除的用户导致数量不准

backend/app/api/v1/team_management.py

@@ -28,10 +28,17 @@ async def get_accessible_team_member_ids(
     current_user: User,
     db: AsyncSession
 ) -> List[int]:
-    """获取用户可访问的团队成员ID列表"""
+    """获取用户可访问的团队成员ID列表（只返回未删除的用户）"""
     if current_user.role in ['admin', 'manager']:
-        # 管理员查看所有团队成员
-        stmt = select(UserTeam.user_id).distinct()
+        # 管理员查看所有团队成员（过滤已删除用户）
+        stmt = select(UserTeam.user_id).join(
+            User, UserTeam.user_id == User.id
+        ).where(
+            and_(
+                User.is_deleted == False,  # noqa: E712
+                User.is_active == True  # noqa: E712
+            )
+        ).distinct()
         result = await db.execute(stmt)
         return [row[0] for row in result.all()]
     else:
@@ -44,9 +51,15 @@ async def get_accessible_team_member_ids(
         if not team_ids:
             return []
         
-        # 2. 查询这些团队的所有成员
-        stmt = select(UserTeam.user_id).where(
-            UserTeam.team_id.in_(team_ids)
+        # 2. 查询这些团队的所有成员（过滤已删除用户）
+        stmt = select(UserTeam.user_id).join(
+            User, UserTeam.user_id == User.id
+        ).where(
+            and_(
+                UserTeam.team_id.in_(team_ids),
+                User.is_deleted == False,  # noqa: E712
+                User.is_active == True  # noqa: E712
+            )
         ).distinct()
         result = await db.execute(stmt)
         return [row[0] for row in result.all()]