feat: 为玩家和管理员模块新增 API 路由与中间件别名

app/Support/ApiResponse.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Support;
+
+use Illuminate\Http\JsonResponse;
+
+/**
+ * 与 PRD / docs/04-领域字典与编码规范.md 对齐：{ code, msg, data }。
+ */
+final class ApiResponse
+{
+    public static function success(mixed $data = null, string $msg = 'ok', int $code = 0): JsonResponse
+    {
+        return response()->json([
+            'code' => $code,
+            'msg' => $msg,
+            'data' => $data,
+        ]);
+    }
+
+    public static function error(string $msg, int $code, mixed $data = null, int $httpStatus = 400): JsonResponse
+    {
+        return response()->json([
+            'code' => $code,
+            'msg' => $msg,
+            'data' => $data,
+        ], $httpStatus);
+    }
+}