整合register端口进入login端口

src/contexts/AuthContext.js

@@ -212,59 +212,6 @@ export const AuthProvider = ({ children }) => {
     }
   };
 
-  // 注册方法
-  const register = async (username, email, password) => {
-    try {
-      setIsLoading(true);
-
-      const formData = new URLSearchParams();
-      formData.append('username', username);
-      formData.append('email', email);
-      formData.append('password', password);
-
-      const response = await fetch(`/api/auth/register`, {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/x-www-form-urlencoded',
-        },
-        credentials: 'include',
-        body: formData
-      });
-
-      const data = await response.json();
-
-      if (!response.ok || !data.success) {
-        throw new Error(data.error || '注册失败');
-      }
-
-      // 注册成功后自动登录
-      setUser(data.user);
-      setIsAuthenticated(true);
-
-      toast({
-        title: "注册成功",
-        description: "欢迎加入价值前沿！",
-        status: "success",
-        duration: 3000,
-        isClosable: true,
-      });
-
-      // ⚡ 注册成功后显示欢迎引导（延迟2秒）
-      setTimeout(() => {
-        showWelcomeGuide();
-      }, 2000);
-
-      return { success: true };
-
-    } catch (error) {
-      logger.error('AuthContext', 'register', error);
-
-      // ❌ 移除错误 toast，静默失败
-      return { success: false, error: error.message };
-    } finally{
-      setIsLoading(false);
-    }
-  };
 
   // 手机号注册
   const registerWithPhone = async (phone, code, username, password) => {
@@ -475,7 +422,6 @@ export const AuthProvider = ({ children }) => {
     isLoading,
     updateUser,
     login,
-    register,
     registerWithPhone,
     registerWithEmail,
     sendSmsCode,