```

feat(auth): 添加用户权限获取接口并完善JWT令牌角色信息

- 在JWT令牌中添加用户角色信息
- 新增get_my_permissions接口用于获取当前用户权限码列表
- 重构认证回调逻辑，增加错误日志记录
- 更新用户信息获取接口使用Authorization头验证
```

backend/app/api/v1/check.py

@@ -10,6 +10,7 @@ from app.tasks.check_tasks import check_all_devices
 from app.core.celery_app import celery_app
 from app.core.database import get_db
 from app.services.check_service import CheckService
+from app.middleware.permission_middleware import require_permission
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/api/check", tags=["状态检查"])
@@ -30,7 +31,7 @@ class CheckError(BaseModel):
 
 
 @router.post("/status")
-def trigger_check():
+def trigger_check(_: dict = Depends(require_permission('device.check'))):
     """手动触发状态检查"""
     try:
         task = check_all_devices.delay()
@@ -41,7 +42,10 @@ def trigger_check():
 
 
 @router.get("/status/{task_id}")
-def get_check_status(task_id: str):
+def get_check_status(
+    task_id: str,
+    _: dict = Depends(require_permission('device.check')),
+):
     """查询状态检查任务进度和结果"""
     task_result = AsyncResult(task_id, app=celery_app)
     state = task_result.state
@@ -65,7 +69,11 @@ def get_check_status(task_id: str):
 
 
 @router.post("/scan/{olt_id}")
-def scan_olt(olt_id: int, db: Session = Depends(get_db)):
+def scan_olt(
+    olt_id: int,
+    db: Session = Depends(get_db),
+    _: dict = Depends(require_permission('device.check')),
+):
     """扫描单台 OLT，预览发现的设备（不写入数据库）"""
     try:
         service = CheckService(db)
@@ -76,7 +84,11 @@ def scan_olt(olt_id: int, db: Session = Depends(get_db)):
 
 
 @router.post("/discover/{olt_id}")
-def discover_olt(olt_id: int, db: Session = Depends(get_db)):
+def discover_olt(
+    olt_id: int,
+    db: Session = Depends(get_db),
+    _: dict = Depends(require_permission('olt.discover')),
+):
     """扫描单台 OLT 并将新发现的 MAC 自动入库关联"""
     try:
         service = CheckService(db)