feat(桌面与监控): 完善工作台导航和登录活动定位

- 优化桌面标签、上下文标题、前进后退、导航栏隐藏和原生菜单体验

- 补充登录会话 IP 采集、地理位置回退、管理端展示及数据库迁移

- 更新桌面发布检查、运维文档和前后端测试覆盖

backend/app/api/v1/users.py

@@ -1,6 +1,6 @@
 import uuid
 
-from fastapi import APIRouter, Depends, HTTPException, Query, status
+from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -10,7 +10,7 @@ from app.crud import user as user_crud
 from app.crud import member as member_crud
 from app.utils.pagination import paginate
 from app.schemas.user import LoginStatus, UserCreate, UserLoginActivityRead, UserRead, UserStatus, UserUpdate
-from app.services.user_login_sessions import get_login_summaries, list_login_activities
+from app.services.user_login_sessions import get_login_summaries, list_login_activities, login_activity_payload
 
 router = APIRouter()
 
@@ -53,13 +53,16 @@ async def list_users(
 @router.get("/{user_id}/login-activities", response_model=list[UserLoginActivityRead])
 async def read_user_login_activities(
     user_id: uuid.UUID,
+    response: Response,
     limit: int = Query(default=30, ge=1, le=100),
     db: AsyncSession = Depends(get_db_session),
     current_user=Depends(require_roles(["ADMIN"])),
 ) -> list[UserLoginActivityRead]:
+    response.headers["Cache-Control"] = "no-store"
     if not await user_crud.get_by_id(db, user_id):
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="用户不存在")
-    return await list_login_activities(db, user_id=user_id, limit=limit)
+    activities = await list_login_activities(db, user_id=user_id, limit=limit)
+    return [login_activity_payload(activity) for activity in activities]
 
 
 @router.post("/", response_model=UserRead, status_code=status.HTTP_201_CREATED)