feat(卡列表): 新增 has_active_package 查询条件筛选生效中套餐

- DTO ListStandaloneIotCardRequest 增加 HasActivePackage *bool 字段，
  query/json 名 has_active_package，description 中文
- Service ListStandalone 将 HasActivePackage 映射为 filters["has_active_package"]
- Store applyStandaloneFilters 新增 EXISTS/NOT EXISTS 子查询，
  使用 constants.PackageUsageStatusActive，限制 master_usage_id IS NULL
  且 deleted_at IS NULL，所有查询路径（默认/两阶段/并行）均复用此函数

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

internal/service/iot_card/service.go

@@ -203,6 +203,9 @@ func (s *Service) ListStandalone(ctx context.Context, req *dto.ListStandaloneIot
 	if req.CarrierName != "" {
 		filters["carrier_name"] = req.CarrierName
 	}
+	if req.HasActivePackage != nil {
+		filters["has_active_package"] = *req.HasActivePackage
+	}
 
 	// 代理用户注入 subordinate_shop_ids，让 Store 层走并行查询路径
 	// 避免 PG 对 shop_id IN (...) + ORDER BY 选择全表扫描