Function onStorage

src/components/common/ComponentList.jsx:167–169

  useEffect(() => {
    const update = () => setSavedSet(new Set(getSavedComponents()));
    const onStorage = e => {
      if (!e || e.key === 'savedComponents') update();
    };
    window.addEventListener('favorites:updated', update);
    window.addEventListener('storage', onStorage);
    return () => {