exec working up to halt

clean shutdown doesn't for some reason

orchid-host/src/ctx.rs

@@ -5,12 +5,10 @@ use std::{fmt, ops};
 
 use async_lock::RwLock;
 use hashbrown::HashMap;
-use orchid_api::SysId;
 use orchid_base::builtin::Spawner;
 use orchid_base::interner::Interner;
 
 use crate::api;
-use crate::atom::WeakAtomHand;
 use crate::expr_store::ExprStore;
 use crate::system::{System, WeakSystem};
 use crate::tree::WeakRoot;
@@ -20,7 +18,6 @@ pub struct CtxData {
 	pub spawn: Spawner,
 	pub systems: RwLock<HashMap<api::SysId, WeakSystem>>,
 	pub system_id: RefCell<NonZeroU16>,
-	pub owned_atoms: RwLock<HashMap<api::AtomId, WeakAtomHand>>,
 	pub common_exprs: ExprStore,
 	pub root: RwLock<WeakRoot>,
 }
@@ -46,7 +43,6 @@ impl Ctx {
 			i: Interner::default(),
 			systems: RwLock::default(),
 			system_id: RefCell::new(NonZero::new(1).unwrap()),
-			owned_atoms: RwLock::default(),
 			common_exprs: ExprStore::default(),
 			root: RwLock::default(),
 		}))
@@ -59,7 +55,7 @@ impl Ctx {
 	pub(crate) fn next_sys_id(&self) -> api::SysId {
 		let mut g = self.system_id.borrow_mut();
 		*g = g.checked_add(1).unwrap_or(NonZeroU16::new(1).unwrap());
-		SysId(*g)
+		api::SysId(*g)
 	}
 	#[must_use]
 	pub fn downgrade(&self) -> WeakCtx { WeakCtx(Rc::downgrade(&self.0)) }