feat(core): add support for MCP progress updates (#19046)

packages/cli/src/ui/hooks/useToolScheduler.ts

@@ -104,6 +104,8 @@ export function useToolScheduler(
     [config, messageBus],
   );
 
+  useEffect(() => () => scheduler.dispose(), [scheduler]);
+
   const internalAdaptToolCalls = useCallback(
     (coreCalls: ToolCall[], prevTracked: TrackedToolCall[]) =>
       adaptToolCalls(coreCalls, prevTracked),