feat: 增强环境配置与开发服务，支持局域网访问及币种管理

app/Http/Requests/Admin/AdminPlayerUpdateRequest.php

@@ -2,8 +2,8 @@
 
 namespace App\Http\Requests\Admin;
 
-use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rule;
+use Illuminate\Foundation\Http\FormRequest;
 
 /**
  * 玩家更新请求。
@@ -22,7 +22,18 @@ final class AdminPlayerUpdateRequest extends FormRequest
         return [
             'username' => ['sometimes', 'string', 'max:128'],
             'nickname' => ['sometimes', 'nullable', 'string', 'max:128'],
+            'default_currency' => ['sometimes', 'string', 'max:16', Rule::exists('currencies', 'code')],
             'status' => ['sometimes', 'integer', Rule::in([0, 1, 2])],
         ];
     }
+
+    protected function prepareForValidation(): void
+    {
+        if (! $this->has('default_currency')) {
+            return;
+        }
+
+        $code = strtoupper(substr(trim((string) $this->input('default_currency')), 0, 16));
+        $this->merge(['default_currency' => $code]);
+    }
 }