feat: add asset level provider for dependency injection

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/services/assetService/provider/asset_level_provider.go

@@ -0,0 +1,35 @@
+package provider
+
+import (
+	"github.com/topfans/backend/services/assetService/repository"
+	"github.com/topfans/backend/services/assetService/service"
+	"github.com/topfans/backend/services/assetService/worker"
+	"gorm.io/gorm"
+)
+
+type AssetLevelProvider struct {
+	LevelService service.AssetLevelService
+	db            *gorm.DB
+}
+
+func NewAssetLevelProvider(db *gorm.DB) *AssetLevelProvider {
+	levelRepo := repository.NewAssetLevelRepository(db)
+	seasonRepo := repository.NewSeasonRepository(db)
+	decayConfigRepo := repository.NewSeasonDecayConfigRepository(db)
+
+	levelService := service.NewAssetLevelService(levelRepo, seasonRepo, decayConfigRepo)
+
+	return &AssetLevelProvider{
+		LevelService: levelService,
+		db:           db,
+	}
+}
+
+func (p *AssetLevelProvider) GetLevelService() service.AssetLevelService {
+	return p.LevelService
+}
+
+func (p *AssetLevelProvider) GetSeasonResetWorker() *worker.SeasonResetWorker {
+	seasonRepo := repository.NewSeasonRepository(p.db)
+	return worker.NewSeasonResetWorker(seasonRepo, p.LevelService)
+}