feat: 为玩家和管理员模块新增 API 路由与中间件别名

app/Http/Middleware/EnsureAdminApi.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * 后台 API：后续在此校验管理员登录（如 Sanctum）与 RBAC。
+ */
+class EnsureAdminApi
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        return $next($request);
+    }
+}