exec working up to halt

clean shutdown doesn't for some reason

orcx/src/main.rs

@@ -228,7 +228,7 @@ async fn main() -> io::Result<ExitCode> {
 			},
 			Commands::Exec { proj, code } => {
 				let reporter = Reporter::new();
-				let path = sym!(usercode::entrypoint; i).await;
+				let path = sym!(usercode; i).await;
 				let prefix_sr = SrcRange::zw(path.clone(), 0);
 				let (mut root, systems) = init_systems(&args.system, &extensions).await.unwrap();
 				if let Some(proj_path) = proj {