feat(api): add log settings management with auto-clear and clear days configuration

queue/logic/traffic/trafficStatLogic.go

@@ -166,10 +166,11 @@ func (l *StatLogic) ProcessTask(ctx context.Context, _ *asynq.Task) error {
 	}
 
 	// Delete old traffic logs
-	err = tx.WithContext(ctx).Model(&traffic.TrafficLog{}).Where("created_at <= ?", end).Delete(&traffic.TrafficLog{}).Error
-	if err != nil {
-		logger.Errorf("[Traffic Stat Queue] Delete server traffic log failed: %v", err.Error())
+	if l.svc.Config.Log.AutoClear {
+		err = tx.WithContext(ctx).Model(&traffic.TrafficLog{}).Where("created_at <= ?", end.AddDate(0, 0, int(-l.svc.Config.Log.ClearDays))).Delete(&traffic.TrafficLog{}).Error
+		if err != nil {
+			logger.Errorf("[Traffic Stat Queue] Delete server traffic log failed: %v", err.Error())
+		}
 	}
-
 	return nil
 }