feat(通道流量阈值): AUG26-011 运营商通道流量阈值达量停机与周期复机

internal/application/cardobservation/traffic.go

@@ -9,6 +9,7 @@ import (
 	"gorm.io/gorm/clause"
 
 	domain "github.com/break/junhong_cmp_fiber/internal/domain/cardobservation"
+	carrierthresholddomain "github.com/break/junhong_cmp_fiber/internal/domain/carrierthreshold"
 	"github.com/break/junhong_cmp_fiber/internal/model"
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
@@ -80,6 +81,16 @@ func (s *Service) ApplyTrafficObservation(ctx context.Context, observation domai
 				return err
 			}
 		}
+		if decision.ReadingAccepted && s.channelThreshold != nil {
+			// 达量判定只使用本次已接受的网关累计读数，异常下降保护命中的观测不参与判定；
+			// 判定失败必须回滚整个流量事务，与既有流量事实保持同事务语义。
+			if err := s.channelThreshold.EvaluateInTx(ctx, tx, carrierthresholddomain.Evaluation{
+				CardID: card.ID, CarrierID: card.CarrierID,
+				ReadingMB: decision.LastGatewayReadingMB, ObservedAt: observation.Metadata.ObservedAt,
+			}); err != nil {
+				return err
+			}
+		}
 		stateChanged := decision.IncrementMB != 0 || decision.CrossMonth || decision.LastGatewayReadingMB != card.LastGatewayReadingMB
 		if actionCode, audited := manualRefreshAuditAction(ctx); observation.Metadata.Source == constants.CardObservationSourceManualSync && stateChanged && audited {
 			if s.auditWriter == nil {