Remove components, do downloaded ids ; support dumps

internal/app.go

@@ -93,6 +93,7 @@ func MainApp(configPath string) {
 	defer workerPool.Release()
 
 	utils.EnsureDirExists("data") // Ensure the data directory exists
+	utils.EnsureDirExists("dump") // dump is a new directory for "torrent" files
 	torrentMgr := torrent.NewTorrentManager(
 		config,
 		api,
@@ -113,6 +114,7 @@ func MainApp(configPath string) {
 		log.Named("router"),
 	)
 
+	//// pprof
 	// go func() {
 	// 	if err := netHttp.ListenAndServe(":6060", nil); err != nil && err != netHttp.ErrServerClosed {
 	// 		zurglog.Errorf("Failed to start pprof: %v", err)