refactor：拆分 API 路由与请求校验，统一 final 类和代码风格

app/Http/Controllers/Api/V1/Admin/Player/PlayerWalletShowController.php

@@ -2,11 +2,11 @@
 
 namespace App\Http\Controllers\Api\V1\Admin\Player;
 
-use App\Http\Controllers\Controller;
 use App\Models\Player;
 use App\Models\PlayerWallet;
 use App\Support\ApiResponse;
 use Illuminate\Http\JsonResponse;
+use App\Http\Controllers\Controller;
 
 /**
  * 后台：按玩家查询钱包余额（`player_wallets` 全币种）。