"use client"; import { templates } from "@/lib/template"; import { getUserSites } from "@/lib/sites"; import { notFound } from "next/navigation"; interface CheckoutPageProps { params: { site: string }; } export default function CheckoutPage({ params }: CheckoutPageProps) { if (typeof window === "undefined") return null; // SSR safe const userSites = getUserSites(); const site = userSites.find((s) => s.slug === params.site); if (!site) return notFound(); const Template = templates[site.template]; const Header = Template.Header; const Footer = Template.Footer; const Checkout = Template.pages.Checkout; return ( <>