export interface ShoppingPlanSummary {
  people_count?: number;
  item_count?: number;
  subtotal?: number;
}

export function formatShoppingPlanSummary(plan: ShoppingPlanSummary): string {
  return `${plan.people_count ?? 0} 人 · 共 ${plan.item_count ?? 0} 件 · 预计 ¥${plan.subtotal ?? 0}`;
}