fix: 修复轮询停机连坐、实名逆转防抖及carrier_stopped原因写入缺失三个逻辑缺陷

internal/service/iot_card/stop_resume_service.go

@@ -78,7 +78,7 @@ func (s *StopResumeService) EvaluateAndAct(ctx context.Context, card *model.IotC
 		}
 		// 取最高优先级原因（第一个）
 		primaryReason := reasons[0]
-		if !card.IsStandalone {
+		if !card.IsStandalone && isDeviceScopeReason(primaryReason) {
 			deviceID, bound, lookupErr := s.getCardDeviceID(ctx, card)
 			if lookupErr != nil {
 				s.logger.Error("查询设备绑定关系失败，降级为单卡停机",
@@ -132,6 +132,13 @@ func isPollingStopReason(reason string) bool {
 	return false
 }
 
+// isDeviceScopeReason 判断停机原因是否应扩散到设备维度
+// 套餐/流量是设备共享资源，需整体停机；实名是单卡属性，只停该卡
+func isDeviceScopeReason(reason string) bool {
+	return reason == constants.StopReasonNoPackage ||
+		reason == constants.StopReasonTrafficExhausted
+}
+
 // getCardDeviceID 获取卡所属设备ID（非独立卡时有效）
 // 返回：deviceID, isDeviceBound, error
 func (s *StopResumeService) getCardDeviceID(ctx context.Context, card *model.IotCard) (uint, bool, error) {