修复套餐接续停机竞态与轮询兜底

internal/task/polling_base.go

@@ -132,6 +132,29 @@ func (b *PollingBase) releaseCardTrafficSyncLock(_ context.Context, cardID uint,
 	}
 }
 
+// ensureMissingTask 根据数据库最新卡状态，仅在对应分片队列缺失时补入任务。
+func (b *PollingBase) ensureMissingTask(ctx context.Context, cardID uint, taskType string) error {
+	card, err := b.iotCardStore.GetByID(ctx, cardID)
+	if err != nil {
+		return err
+	}
+
+	info, ok := b.configMgr.MergedTaskIntervals(card)[taskType]
+	if !ok || info.Interval <= 0 {
+		return nil
+	}
+
+	added, err := b.queueMgr.EnsureQueued(ctx, cardID, taskType, time.Now())
+	if err != nil {
+		return err
+	}
+	if added {
+		b.logger.Info("卡状态轮询补齐缺失套餐任务",
+			zap.Uint("card_id", cardID), zap.String("task_type", taskType))
+	}
+	return nil
+}
+
 // requeueCardAt 使用独立短超时上下文执行真正的 ZADD 重入队。
 func (b *PollingBase) requeueCardAt(cardID uint, taskType string, nextCheckAt time.Time) error {
 	ctx, cancel := pollingFallbackContext()