feat: 增强玩家管理功能，集成接入站点权限控制

在多个玩家相关控制器中引入 AdminSiteScope，确保管理员在执行操作前具备相应的接入站点权限。更新 Player 相关请求以支持 site_code 参数，增强权限验证逻辑，确保系统安全性与灵活性。同时，新增 AdminUser 模型方法以获取可访问的站点 ID 列表，优化权限管理。

app/Http/Controllers/Api/V1/Admin/Integration/AdminIntegrationSiteExportController.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1\Admin\Integration;
+
+use App\Models\AdminSite;
+use App\Support\ApiResponse;
+use App\Lottery\ErrorCode;
+use Illuminate\Http\Request;
+use Illuminate\Http\JsonResponse;
+use App\Http\Controllers\Controller;
+use App\Support\AdminIntegrationSiteAccess;
+use App\Support\AdminIntegrationSitePresenter;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+final class AdminIntegrationSiteExportController extends Controller
+{
+    public function __invoke(Request $request, AdminSite $admin_site): JsonResponse|StreamedResponse
+    {
+        $admin = $request->lotteryAdmin();
+        abort_if($admin === null, 401);
+
+        if (! AdminIntegrationSiteAccess::canAccess($admin, $admin_site)) {
+            return ApiResponse::error('无权访问该站点', ErrorCode::AdminForbidden->value, null, 403);
+        }
+
+        $sheet = AdminIntegrationSitePresenter::parameterSheet($admin_site);
+        $format = strtolower(trim((string) $request->query('format', 'json')));
+
+        if ($format === 'csv') {
+            $filename = 'integration-'.$admin_site->code.'-'.now()->format('Ymd-His').'.csv';
+
+            return response()->streamDownload(function () use ($sheet): void {
+                $out = fopen('php://output', 'w');
+                fputcsv($out, ['field', 'value']);
+                foreach ($sheet as $key => $value) {
+                    if (is_array($value)) {
+                        $value = json_encode($value, JSON_UNESCAPED_UNICODE);
+                    }
+                    fputcsv($out, [(string) $key, is_scalar($value) || $value === null ? (string) $value : json_encode($value)]);
+                }
+                fclose($out);
+            }, $filename, ['Content-Type' => 'text/csv; charset=UTF-8']);
+        }
+
+        return ApiResponse::success($sheet);
+    }
+}