add todo

packages/svelte/src/internal/client/runtime.js

@@ -973,6 +973,10 @@ export function get(signal) {
 				}
 			}
 		} else {
+			// TODO: this doesn't handle removing dependencies from its previous reactions,
+			// so if it were to conditionally not use a dependency, it would still be tracked
+			// because we don't have any form of cleanup
+
 			// we're adding a dependency outside the init/update cycle
 			// (i.e. after an `await`)
 			// TODO we probably want to disable this for user effects,