feat(sync): additional changes for streaming

Signed-off-by: Vishwas Rajashekar <dev@vrajashkr.com>

pkg/api/controller.go

@@ -43,7 +43,6 @@ const (
 type Controller struct {
 	Config          *config.Config
 	Router          *mux.Router
-	StreamManager   sync.StreamManager
 	MetaDB          mTypes.MetaDB
 	StoreController storage.StoreController
 	Log             log.Logger
@@ -377,12 +376,6 @@ func (c *Controller) Init() error {
 		}
 	}
 
-	if extensionsConfig.IsStreamingEnabled() {
-		c.Log.Info().Msg("streaming sync enabled")
-		sm := sync.NewChunkingStreamManager(c.Config, c.Log)
-		c.StreamManager = sm
-	}
-
 	return nil
 }
 
@@ -606,8 +599,7 @@ func (c *Controller) StartBackgroundTasks() {
 
 	// Always call EnableSyncExtension to ensure proper logging, even when sync is disabled
 	//nolint: contextcheck
-	syncOnDemand, err := ext.EnableSyncExtension(
-		c.Config, c.MetaDB, c.StoreController, c.taskScheduler, c.StreamManager, c.Log)
+	syncOnDemand, err := ext.EnableSyncExtension(c.Config, c.MetaDB, c.StoreController, c.taskScheduler, c.Log)
 	if err != nil {
 		c.Log.Error().Err(err).Msg("failed to start sync extension")
 	}
@@ -663,4 +655,5 @@ type SyncOnDemand interface {
 	SyncImage(ctx context.Context, repo, reference string) error
 	SyncReferrers(ctx context.Context, repo string, subjectDigestStr string, referenceTypes []string) error
 	FetchManifest(ctx context.Context, repo, reference string) (manifest.Manifest, error)
+	StreamManager() sync.StreamManager
 }