/** Short date for the invited-view facts table (`6 Nov 2026`). */
export function formatInviteLastChanged(iso: string): string {
  const date = new Date(iso);
  if (Number.isNaN(date.getTime())) return iso;
  return date.toLocaleDateString("en-GB", {
    day: "numeric",
    month: "short",
    year: "numeric",
  });
}