diff --git a/crates/cassette-core/src/cassette.rs b/crates/cassette-core/src/cassette.rs
index 46650ff..0549a85 100644
--- a/crates/cassette-core/src/cassette.rs
+++ b/crates/cassette-core/src/cassette.rs
@@ -121,6 +121,7 @@ impl<Component> Borrow<Uuid> for Cassette<Component> {
 #[derive(Clone, Debug, PartialEq)]
 pub struct CassetteState {
     cassette: Cassette,
+    // FIXME: cache unchanged task outputs
     root: UseStateHandle<RootCassetteState>,
 }