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/AdminIntegrationSiteShowController.php

@@ -0,0 +1,27 @@
+<?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;
+
+final class AdminIntegrationSiteShowController extends Controller
+{
+    public function __invoke(Request $request, AdminSite $admin_site): JsonResponse
+    {
+        $admin = $request->lotteryAdmin();
+        abort_if($admin === null, 401);
+
+        if (! AdminIntegrationSiteAccess::canAccess($admin, $admin_site)) {
+            return ApiResponse::error('无权访问该站点', ErrorCode::AdminForbidden->value, null, 403);
+        }
+
+        return ApiResponse::success(AdminIntegrationSitePresenter::detail($admin_site));
+    }
+}