Initial commit: ANOUMA website with Payload CMS, WebRTC meetings, and booking system

- Next.js 16 App Router site with the ANOUMA design system
- Payload CMS (PostgreSQL) for offers, events, posts and page content
- WebRTC video-call system with custom signaling server
- SMTP email reminders and booking-request notifications
- Customer accounts, calendar-based availability, and booking workflow

lib/auth/customer.ts

@@ -0,0 +1,12 @@
+import { headers } from "next/headers";
+import { getPayload } from "payload";
+import config from "@payload-config";
+import type { Customer } from "@/payload-types";
+
+/** Returns the logged-in customer for the current request, or null. Never returns an admin user. */
+export async function getCurrentCustomer(): Promise<Customer | null> {
+  const payload = await getPayload({ config });
+  const { user } = await payload.auth({ headers: await headers() });
+  if (!user || user.collection !== "customers") return null;
+  return user as Customer;
+}