feat:初版

apps/web/app/admin/layout.tsx

@@ -0,0 +1,51 @@
+'use client'
+
+import Link from 'next/link'
+import { useRouter } from 'next/navigation'
+
+export default function AdminLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  const router = useRouter()
+
+  const handleLogout = () => {
+    localStorage.removeItem('admin_token')
+    router.push('/login')
+  }
+
+  return (
+    <div className="min-h-screen bg-gray-100">
+      <nav className="bg-white shadow">
+        <div className="max-w-7xl mx-auto px-4">
+          <div className="flex justify-between h-16">
+            <div className="flex items-center space-x-8">
+              <span className="text-xl font-bold">管理后台</span>
+              <Link href="/admin" className="text-gray-600 hover:text-gray-900">
+                概览
+              </Link>
+              <Link href="/admin/providers" className="text-gray-600 hover:text-gray-900">
+                AI 配置
+              </Link>
+              <Link href="/admin/stats" className="text-gray-600 hover:text-gray-900">
+                统计
+              </Link>
+            </div>
+            <div className="flex items-center">
+              <button
+                onClick={handleLogout}
+                className="text-gray-600 hover:text-gray-900"
+              >
+                退出
+              </button>
+            </div>
+          </div>
+        </div>
+      </nav>
+      <main className="max-w-7xl mx-auto py-6 px-4">
+        {children}
+      </main>
+    </div>
+  )
+}