feat: 技术债务清理（支付配置动态化、API文档补全、轮询常量提取、废弃代码清理）

internal/service/iot_card/service.go

@@ -264,11 +264,15 @@ func (s *Service) toStandaloneResponse(card *model.IotCard, shopMap map[uint]str
 		BatchNo:               card.BatchNo,
 		Supplier:              card.Supplier,
 		Status:                card.Status,
+		StatusName:            constants.GetIotCardStatusName(card.Status),
 		ShopID:                card.ShopID,
 		ActivatedAt:           card.ActivatedAt,
 		ActivationStatus:      card.ActivationStatus,
+		ActivationStatusName:  constants.GetActivationStatusName(card.ActivationStatus),
 		RealNameStatus:        card.RealNameStatus,
+		RealNameStatusName:    constants.GetRealNameStatusName(card.RealNameStatus),
 		NetworkStatus:         card.NetworkStatus,
+		NetworkStatusName:     constants.GetNetworkStatusName(card.NetworkStatus),
 		DataUsageMB:           card.DataUsageMB,
 		CurrentMonthUsageMB:   card.CurrentMonthUsageMB,
 		CurrentMonthStartDate: card.CurrentMonthStartDate,
@@ -277,8 +281,6 @@ func (s *Service) toStandaloneResponse(card *model.IotCard, shopMap map[uint]str
 		LastRealNameCheckAt:   card.LastRealNameCheckAt,
 		EnablePolling:         card.EnablePolling,
 		SeriesID:              card.SeriesID,
-		FirstCommissionPaid:   card.FirstCommissionPaid,
-		AccumulatedRecharge:   card.AccumulatedRecharge,
 		DeviceVirtualNo:       card.DeviceVirtualNo,
 		CreatedAt:             card.CreatedAt,
 		UpdatedAt:             card.UpdatedAt,