feat: 在 IoT 卡和设备列表响应中添加套餐系列名称字段

主要变更：
- 在 StandaloneIotCardResponse 和 DeviceResponse 中添加 series_name 字段
- 在 iot_card 和 device service 中添加 loadSeriesNames 方法批量加载系列名称
- 更新相关方法以支持 series_name 的填充

其他变更：
- 新增 OpenSpec 测试生成和共识锁定 skill
- 新增 MCP 配置文件
- 更新 CLAUDE.md 项目规范文档

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

internal/service/iot_card/service.go

@@ -109,10 +109,11 @@ func (s *Service) ListStandalone(ctx context.Context, req *dto.ListStandaloneIot
 	}
 
 	shopMap := s.loadShopNames(ctx, cards)
+	seriesMap := s.loadSeriesNames(ctx, cards)
 
 	list := make([]*dto.StandaloneIotCardResponse, 0, len(cards))
 	for _, card := range cards {
-		item := s.toStandaloneResponse(card, shopMap)
+		item := s.toStandaloneResponse(card, shopMap, seriesMap)
 		list = append(list, item)
 	}
 
@@ -141,7 +142,8 @@ func (s *Service) GetByICCID(ctx context.Context, iccid string) (*dto.IotCardDet
 	}
 
 	shopMap := s.loadShopNames(ctx, []*model.IotCard{card})
-	standaloneResp := s.toStandaloneResponse(card, shopMap)
+	seriesMap := s.loadSeriesNames(ctx, []*model.IotCard{card})
+	standaloneResp := s.toStandaloneResponse(card, shopMap, seriesMap)
 
 	return &dto.IotCardDetailResponse{
 		StandaloneIotCardResponse: *standaloneResp,
@@ -171,7 +173,30 @@ func (s *Service) loadShopNames(ctx context.Context, cards []*model.IotCard) map
 	return shopMap
 }
 
-func (s *Service) toStandaloneResponse(card *model.IotCard, shopMap map[uint]string) *dto.StandaloneIotCardResponse {
+func (s *Service) loadSeriesNames(ctx context.Context, cards []*model.IotCard) map[uint]string {
+	seriesIDs := make([]uint, 0)
+	seriesIDSet := make(map[uint]bool)
+
+	for _, card := range cards {
+		if card.SeriesID != nil && *card.SeriesID > 0 && !seriesIDSet[*card.SeriesID] {
+			seriesIDs = append(seriesIDs, *card.SeriesID)
+			seriesIDSet[*card.SeriesID] = true
+		}
+	}
+
+	seriesMap := make(map[uint]string)
+	if len(seriesIDs) > 0 {
+		var seriesList []model.PackageSeries
+		s.db.WithContext(ctx).Where("id IN ?", seriesIDs).Find(&seriesList)
+		for _, series := range seriesList {
+			seriesMap[series.ID] = series.SeriesName
+		}
+	}
+
+	return seriesMap
+}
+
+func (s *Service) toStandaloneResponse(card *model.IotCard, shopMap map[uint]string, seriesMap map[uint]string) *dto.StandaloneIotCardResponse {
 	resp := &dto.StandaloneIotCardResponse{
 		ID:                  card.ID,
 		ICCID:               card.ICCID,
@@ -203,6 +228,10 @@ func (s *Service) toStandaloneResponse(card *model.IotCard, shopMap map[uint]str
 		resp.ShopName = shopMap[*card.ShopID]
 	}
 
+	if card.SeriesID != nil && *card.SeriesID > 0 {
+		resp.SeriesName = seriesMap[*card.SeriesID]
+	}
+
 	return resp
 }