fix: resolve 接口 series_name 永远为空，asset service 注入套餐系列 store

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

internal/service/asset/service.go

@@ -31,6 +31,7 @@ type Service struct {
 	iotCardStore          *postgres.IotCardStore
 	packageUsageStore     *postgres.PackageUsageStore
 	packageStore          *postgres.PackageStore
+	packageSeriesStore    *postgres.PackageSeriesStore
 	deviceSimBindingStore *postgres.DeviceSimBindingStore
 	shopStore             *postgres.ShopStore
 	redis                 *redis.Client
@@ -44,6 +45,7 @@ func New(
 	iotCardStore *postgres.IotCardStore,
 	packageUsageStore *postgres.PackageUsageStore,
 	packageStore *postgres.PackageStore,
+	packageSeriesStore *postgres.PackageSeriesStore,
 	deviceSimBindingStore *postgres.DeviceSimBindingStore,
 	shopStore *postgres.ShopStore,
 	redisClient *redis.Client,
@@ -55,6 +57,7 @@ func New(
 		iotCardStore:          iotCardStore,
 		packageUsageStore:     packageUsageStore,
 		packageStore:          packageStore,
+		packageSeriesStore:    packageSeriesStore,
 		deviceSimBindingStore: deviceSimBindingStore,
 		shopStore:             shopStore,
 		redis:                 redisClient,
@@ -136,6 +139,9 @@ func (s *Service) buildDeviceResolveResponse(ctx context.Context, device *model.
 	// 查 shop 名称
 	s.fillShopName(ctx, resp)
 
+	// 查套餐系列名称
+	s.fillSeriesName(ctx, resp)
+
 	// 查 Redis 保护期
 	resp.DeviceProtectStatus = s.getDeviceProtectStatus(ctx, device.ID)
 
@@ -188,6 +194,9 @@ func (s *Service) buildCardResolveResponse(ctx context.Context, card *model.IotC
 	// 查 shop 名称
 	s.fillShopName(ctx, resp)
 
+	// 查套餐系列名称
+	s.fillSeriesName(ctx, resp)
+
 	return resp, nil
 }
 
@@ -221,6 +230,17 @@ func (s *Service) fillShopName(ctx context.Context, resp *dto.AssetResolveRespon
 	}
 }
 
+// fillSeriesName 填充套餐系列名称
+func (s *Service) fillSeriesName(ctx context.Context, resp *dto.AssetResolveResponse) {
+	if resp.SeriesID == nil || *resp.SeriesID == 0 {
+		return
+	}
+	series, err := s.packageSeriesStore.GetByID(ctx, *resp.SeriesID)
+	if err == nil && series != nil {
+		resp.SeriesName = series.SeriesName
+	}
+}
+
 // GetRealtimeStatus 获取资产实时状态（只读DB/Redis）
 func (s *Service) GetRealtimeStatus(ctx context.Context, assetType string, id uint) (*dto.AssetRealtimeStatusResponse, error) {
 	resp := &dto.AssetRealtimeStatusResponse{