Integrate typed port authoring and reviewable exchange workflows

crates/oa-core/tests/release_ports.rs

@@ -93,6 +93,13 @@ fn functional_creation_reuse_and_item_sync_are_atomic_and_identity_safe() {
     wrong.source_port = PortChoice::Reuse(input);
     assert!(plan_functional_exchange(&p, &wrong).is_err());
     assert!(plan_function_port_items(&p, output, vec![]).is_err());
+    for port in [input, output] {
+        assert!(
+            plan_function_port_items(&p, port, vec![item])
+                .unwrap()
+                .is_empty()
+        );
+    }
     assert_eq!(session.project(), &p);
     assert!(ElementBody::new(Kind::Port, Layer::Sa).is_none());
 }