exec working up to halt

clean shutdown doesn't for some reason

orchid-extension/src/gen_expr.rs

@@ -66,7 +66,6 @@ impl GExprKind {
 			Lambda(arg, body => Box::new(body.api_return(ctx, hand).await)),
 			Arg(arg),
 			Const(name.to_api()),
-			Const(name.to_api()),
 			Bottom(err.to_api()),
 			NewAtom(fac.clone().build(ctx).await),
 		} {