Add Auth for WebPage and APIs

ui/app/auth/page.tsx

@@ -0,0 +1,62 @@
+'use client';
+
+import { useState, FormEvent } from 'react';
+import { useRouter } from 'next/navigation';
+
+export default function AuthPage() {
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState('');
+  const router = useRouter();
+
+  const handleSubmit = async (e: FormEvent) => {
+    e.preventDefault();
+    try {
+      const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/auth/verify`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ password }),
+      });
+
+      if (response.ok) {
+        const data = await response.json();
+        localStorage.setItem('authToken', data.token);
+        router.push('/');
+      } else {
+        setError('密码错误');
+      }
+    } catch (err) {
+      setError('验证失败，请重试');
+    }
+  };
+
+  return (
+    <div className="min-h-screen flex items-center justify-center bg-light-primary dark:bg-dark-primary">
+      <div className="w-full max-w-md p-8 space-y-6 bg-light-secondary dark:bg-dark-secondary rounded-lg shadow-lg">
+        <h1 className="text-2xl font-bold text-center">请输入访问密码</h1>
+        <form onSubmit={handleSubmit} className="space-y-4">
+          <div>
+            <input
+              type="password"
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              className="w-full p-3 border rounded-md bg-light-primary dark:bg-dark-primary"
+              placeholder="输入密码"
+              required
+            />
+          </div>
+          {error && (
+            <p className="text-red-500 text-sm text-center">{error}</p>
+          )}
+          <button
+            type="submit"
+            className="w-full p-3 text-white bg-blue-600 rounded-md hover:bg-blue-700 transition-colors"
+          >
+            确认
+          </button>
+        </form>
+      </div>
+    </div>
+  );
+}