add sema and retries

cmd/cli/main.go

@@ -42,7 +42,7 @@ func main() {
 	err := runcli(ctx)
 
 	if err != nil {
-		fmt.Fprintf(os.Stderr, "unable to handle app: %v", err)
+		fmt.Fprintf(os.Stderr, "unable to handle app: %v\n", err)
 		os.Exit(1)
 	}