export function useIdentity() {
  const name = useCookie<string | null>('stb-identity-name', {
    default: () => null,
    maxAge: 60 * 60 * 24 * 365,
    sameSite: 'lax',
  });

  function setName(newName: string) {
    const trimmed = newName.trim();
    if (!trimmed) return;
    name.value = trimmed;
  }

  return { name, setName };
}