export const readBrowserStorage = (key: string): string | null => {
  try {
    return typeof localStorage === 'undefined' ? null : localStorage.getItem(key);
  } catch {
    return null;
  }
};

export const writeBrowserStorage = (key: string, value: string): void => {
  try {
    if (typeof localStorage !== 'undefined') {
      localStorage.setItem(key, value);
    }
  } catch {
    // Storage can be unavailable in private browsing or embedded contexts.
  }
};