备份：PWA配置前的完整版本

包含所有最新开发的功能和修复，作为PWA正确配置前的备份点。

backend/routes/auth.js

@@ -16,7 +16,7 @@ router.post('/login', async (req, res) => {
     }
 
     const result = await db.query(
-      'SELECT id, username, name, email, phone, role, password_hash FROM users WHERE username = $1',
+      'SELECT id, username, name, email, phone, role, avatar, passport, driver_license, password_hash FROM users WHERE username = $1',
       [username]
     );
 
@@ -53,6 +53,9 @@ router.post('/login', async (req, res) => {
         phone: user.phone,
         role: user.role,
         department: '',
+        avatar: user.avatar || null,
+        passport: user.passport || null,
+        driverLicense: user.driver_license || null,
         token: token
       }
     });