/** Читает кеш из localStorage */
export function readCache<T>(key: string, fallback: T): T {
  try {
    const raw = localStorage.getItem(key);
    if (!raw) return fallback;
    return JSON.parse(raw) as T;
  } catch {
    return fallback;
  }
}

/** Сохраняет в кеш */
export function saveCache(key: string, data: unknown): void {
  try {
    localStorage.setItem(key, JSON.stringify(data));
  } catch (_) {}
}