export function formatEUR(value: number | null | undefined): string {
  if (value == null || Number.isNaN(value)) return '—';
  return new Intl.NumberFormat('fr-FR', { style: 'currency', currency: 'EUR' }).format(value);
}

export function roundMoney(n: number): number {
  return Math.round(n * 100) / 100;
}