major changes

cmd/checkout/main.go

@@ -89,7 +89,7 @@ func main() {
 		Destroy: func(grain actor.Grain[checkout.CheckoutGrain]) error {
 			return nil
 		},
-		SpawnHost: func(host string) (actor.Host, error) {
+		SpawnHost: func(host string) (actor.Host[checkout.CheckoutGrain], error) {
 			return proxy.NewRemoteHost[checkout.CheckoutGrain](host)
 		},
 		TTL:      1 * time.Hour, // Longer TTL for checkout
@@ -121,7 +121,7 @@ func main() {
 		log.Fatalf("no connection to amqp defined")
 	}
 
-	grpcSrv, err := actor.NewControlServer[*checkout.CheckoutGrain](controlPlaneConfig, pool)
+	grpcSrv, err := actor.NewControlServer[checkout.CheckoutGrain](controlPlaneConfig, pool)
 	if err != nil {
 		log.Fatalf("Error starting control plane gRPC server: %v\n", err)
 	}