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/AdminPlayerStoreRequest.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests\Admin;
 
+use Illuminate\Validation\Rule;
 use Illuminate\Foundation\Http\FormRequest;
 
 /**
@@ -23,8 +24,18 @@ final class AdminPlayerStoreRequest extends FormRequest
             'site_player_id' => ['required', 'string', 'max:128'],
             'username' => ['nullable', 'string', 'max:128'],
             'nickname' => ['nullable', 'string', 'max:128'],
-            'default_currency' => ['sometimes', 'string', 'max:16'],
+            'default_currency' => ['sometimes', 'string', 'max:16', Rule::exists('currencies', 'code')],
             'status' => ['sometimes', 'integer', '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]);
+    }
 }