export const getStoredItem = (key: string): string | null => { try { return localStorage.getItem(key); } catch { return null; } }; export const setStoredItem = (key: string, value: string): boolean => { try { localStorage.setItem(key, value); return true; } catch { return false; } }; export const removeStoredItem = (key: string): boolean => { try { localStorage.removeItem(key); return true; } catch { return false; } };