import '@testing-library/jest-dom/vitest'; const localStorageMock = (function () { let store = {}; return { getItem(key) { return store[key] || null; }, setItem(key, value) { store[key] = value.toString(); }, clear() { store = {}; }, removeItem(key) { delete store[key]; } }; })(); Object.defineProperty(window, 'localStorage', { value: localStorageMock });