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/meeting/rooms.ts

@@ -0,0 +1,76 @@
+import type { WebSocket } from "ws";
+import type { MeetingRole } from "./token";
+
+export type Participant = {
+  ws: WebSocket;
+  participantId: string;
+  name: string;
+  role: MeetingRole;
+};
+
+type Room = {
+  participants: Map<string, Participant>;
+  kickedParticipantIds: Set<string>;
+};
+
+// In-memory only — this server process is the single source of truth for
+// signaling (no media is ever stored or relayed through it). If this app is
+// ever scaled to multiple instances, this state needs to move to a shared
+// store (e.g. Redis pub/sub) alongside a real SFU.
+const rooms = new Map<string, Room>();
+
+function getOrCreateRoom(eventSlug: string): Room {
+  let room = rooms.get(eventSlug);
+  if (!room) {
+    room = { participants: new Map(), kickedParticipantIds: new Set() };
+    rooms.set(eventSlug, room);
+  }
+  return room;
+}
+
+export function isKicked(eventSlug: string, participantId: string): boolean {
+  return rooms.get(eventSlug)?.kickedParticipantIds.has(participantId) ?? false;
+}
+
+export function joinRoom(eventSlug: string, participant: Participant): Participant[] {
+  const room = getOrCreateRoom(eventSlug);
+  const existing = [...room.participants.values()];
+  room.participants.set(participant.participantId, participant);
+  return existing;
+}
+
+export function leaveRoom(eventSlug: string, participantId: string) {
+  const room = rooms.get(eventSlug);
+  if (!room) return;
+  room.participants.delete(participantId);
+  if (room.participants.size === 0) rooms.delete(eventSlug);
+}
+
+export function kickFromRoom(eventSlug: string, participantId: string) {
+  const room = rooms.get(eventSlug);
+  if (!room) return;
+  room.kickedParticipantIds.add(participantId);
+  room.participants.delete(participantId);
+}
+
+export function getParticipant(eventSlug: string, participantId: string): Participant | undefined {
+  return rooms.get(eventSlug)?.participants.get(participantId);
+}
+
+export function getRoomParticipants(eventSlug: string): Participant[] {
+  return [...(rooms.get(eventSlug)?.participants.values() ?? [])];
+}
+
+export function broadcast(
+  eventSlug: string,
+  message: unknown,
+  opts: { exclude?: string } = {},
+) {
+  const room = rooms.get(eventSlug);
+  if (!room) return;
+  const data = JSON.stringify(message);
+  for (const p of room.participants.values()) {
+    if (opts.exclude && p.participantId === opts.exclude) continue;
+    if (p.ws.readyState === p.ws.OPEN) p.ws.send(data);
+  }
+}