feat: 增强管理员权限管理，添加 RBAC 支持，更新 AdminUser 模型以处理角色和权限，更新登录接口返回权限信息，扩展数据库填充器以同步角色权限

bootstrap/app.php

@@ -10,6 +10,7 @@
 */
 
 use App\Http\Middleware\EnsureAdminApi;
+use App\Http\Middleware\EnsureAdminPermission;
 use App\Http\Middleware\EnsurePlayerApi;
 use App\Http\Middleware\NegotiateLotteryLocale;
 use App\Lottery\ErrorCode;
@@ -46,6 +47,7 @@ return Application::configure(basePath: dirname(__DIR__))
             'lottery.player' => EnsurePlayerApi::class,
             // 后台 API 预留：Sanctum / RBAC
             'lottery.admin' => EnsureAdminApi::class,
+            'admin.permission' => EnsureAdminPermission::class,
         ]);
     })
     ->withExceptions(function (Exceptions $exceptions): void {