Use normal pool, add semaphore lock

internal/torrent/manager.go

@@ -31,7 +31,6 @@ type TorrentManager struct {
 	latestState     *LibraryState
 	requiredVersion string
 	workerPool      *ants.Pool
-	repairWorker    *ants.Pool
 	log             *logutil.Logger
 }
 
@@ -95,11 +94,6 @@ func NewTorrentManager(cfg config.ConfigInterface, api *realdebrid.RealDebrid, p
 	t.SetNewLatestState(t.getCurrentState())
 
 	if t.Config.EnableRepair() {
-		repairWorker, err := ants.NewPool(1)
-		if err != nil {
-			log.Fatalf("Failed to create repair worker: %v", err)
-		}
-		t.repairWorker = repairWorker
 		t.RepairAll() // initial repair
 	} else {
 		t.log.Info("Repair is disabled, skipping repair check")