export function safeGetItem(key: string): string | null {
  try {
    return localStorage.getItem(key);
  } catch {
    return null;
  }
}

export function safeSetItem(key: string, value: string): void {
  try {
    localStorage.setItem(key, value);
  } catch {
    // ignore quota / private mode
  }
}

export function safeRemoveItem(key: string): void {
  try {
    localStorage.removeItem(key);
  } catch {
    // ignore
  }
}

export function readJson<T>(key: string, fallback: T): T {
  const raw = safeGetItem(key);
  if (!raw) return fallback;
  try {
    return JSON.parse(raw) as T;
  } catch {
    return fallback;
  }
}

export function writeJson(key: string, value: unknown): void {
  safeSetItem(key, JSON.stringify(value));
}