feat:初版

apps/web/app/admin/page.tsx

@@ -0,0 +1,23 @@
+'use client'
+
+export default function AdminPage() {
+  return (
+    <div>
+      <h1 className="text-2xl font-bold mb-6">管理后台概览</h1>
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+        <div className="bg-white p-6 rounded shadow">
+          <h3 className="text-gray-500 text-sm">今日请求</h3>
+          <p className="text-3xl font-bold">--</p>
+        </div>
+        <div className="bg-white p-6 rounded shadow">
+          <h3 className="text-gray-500 text-sm">今日 Token</h3>
+          <p className="text-3xl font-bold">--</p>
+        </div>
+        <div className="bg-white p-6 rounded shadow">
+          <h3 className="text-gray-500 text-sm">缓存命中率</h3>
+          <p className="text-3xl font-bold">--</p>
+        </div>
+      </div>
+    </div>
+  )
+}