支持速率限制

然后把oauth单独放一个页面
一些UI调整

routes/auth.js

@@ -6,11 +6,12 @@ const {
   loginValidation, 
   handleValidationErrors 
 } = require('../middleware/validation');
+const { authLimiter } = require('../middleware/rateLimit');
 
 const router = express.Router();
 
 // 注册路由
-router.post('/register', registerValidation, handleValidationErrors, async (req, res) => {
+router.post('/register', authLimiter, registerValidation, handleValidationErrors, async (req, res) => {
   try {
     const { username, email, password } = req.body;
 
@@ -62,7 +63,7 @@ router.post('/register', registerValidation, handleValidationErrors, async (req,
 });
 
 // 登录路由
-router.post('/login', loginValidation, handleValidationErrors, async (req, res) => {
+router.post('/login', authLimiter, loginValidation, handleValidationErrors, async (req, res) => {
   try {
     const { username, password } = req.body;