```

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/tasks/audit_tasks.py

@@ -0,0 +1,62 @@
+"""审计日志 Celery 任务"""
+import traceback
+from app.core.celery_app import celery_app
+from app.core.database import SessionLocal
+
+
+@celery_app.task(queue='h3c_onu_ms', ignore_result=True)
+def create_audit_log_task(
+    user_id: str,
+    username: str,
+    user_role: str,
+    method: str,
+    path: str,
+    ip_address: str,
+    user_agent: str,
+    status_code: int,
+    request_params: dict = None,
+    response_data: dict = None,
+    error_message: str = None,
+    description: str = None,
+    resource_id: str = None,
+    resource_name: str = None,
+):
+    """异步写入审计日志，不阻塞主请求流程"""
+    from app.services.audit_service import write_audit_log
+    db = SessionLocal()
+    try:
+        write_audit_log(
+            db,
+            user_id=user_id,
+            username=username,
+            user_role=user_role,
+            method=method,
+            path=path,
+            ip_address=ip_address,
+            user_agent=user_agent,
+            status_code=status_code,
+            request_params=request_params,
+            response_data=response_data,
+            error_message=error_message,
+            description=description,
+            resource_id=resource_id,
+            resource_name=resource_name,
+        )
+    except Exception:
+        pass  # 审计日志失败不影响主业务
+    finally:
+        db.close()
+
+
+@celery_app.task(queue='h3c_onu_ms')
+def cleanup_audit_logs_task():
+    """清理90天前的审计日志（每天执行）"""
+    from app.services.audit_service import cleanup_old_logs
+    db = SessionLocal()
+    try:
+        deleted = cleanup_old_logs(db)
+        return {'success': True, 'deleted': deleted}
+    except Exception as e:
+        return {'success': False, 'error': str(e), 'traceback': traceback.format_exc()}
+    finally:
+        db.close()