执行 Ruff 安全自动修复

web/backend/routers/auth.py

@@ -1,16 +1,16 @@
 """认证路由"""
 
 import os
-from datetime import datetime
+
 from fastapi import APIRouter, Depends, HTTPException, Response
 from sqlalchemy.orm import Session
 
 from ..database import get_db
-from ..models import User, AuditLog
-from ..security import verify_password, create_access_token, ACCESS_TOKEN_EXPIRE_HOURS
-from ..permissions import get_user_permissions, ROLE_LABELS
-from ..schemas import LoginRequest, TokenResponse
 from ..deps import get_current_user
+from ..models import AuditLog, User
+from ..permissions import ROLE_LABELS, get_user_permissions
+from ..schemas import LoginRequest, TokenResponse
+from ..security import ACCESS_TOKEN_EXPIRE_HOURS, create_access_token, verify_password
 
 router = APIRouter(prefix="/api/auth", tags=["认证"])