// What a screen remembers between visits. Private mode throws on localStorage
// rather than returning null: a screen that cannot remember is fine, a screen
// that cannot load is not, so both halves swallow the refusal.

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

export function keep(key: string, value: string): void {
  try {
    localStorage.setItem(key, value);
  } catch {
    // The choice just does not outlive the visit.
  }
}