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/status.ts

@@ -0,0 +1,51 @@
+export type MeetingStatus = "scheduled" | "open" | "live" | "ended";
+
+/**
+ * Payload's "time only" date fields still store a full ISO timestamp, just
+ * with an arbitrary date portion — this combines the real event date with
+ * the hour/minute from a time-only field into one correct Date.
+ */
+export function combineDateAndTime(dateISO: string, timeISO?: string | null): Date {
+  const date = new Date(dateISO);
+  if (!timeISO) return date;
+  const time = new Date(timeISO);
+  const combined = new Date(date);
+  combined.setHours(time.getHours(), time.getMinutes(), 0, 0);
+  return combined;
+}
+
+export type MeetingWindow = {
+  start: Date;
+  end: Date;
+  joinWindowMinutes: number;
+  closeAfterMinutes: number;
+  now?: Date;
+};
+
+export function getMeetingStatus({
+  start,
+  end,
+  joinWindowMinutes,
+  closeAfterMinutes,
+  now = new Date(),
+}: MeetingWindow): MeetingStatus {
+  const openAt = start.getTime() - joinWindowMinutes * 60_000;
+  const closeAt = end.getTime() + closeAfterMinutes * 60_000;
+  const t = now.getTime();
+
+  if (t >= closeAt) return "ended";
+  if (t >= start.getTime()) return "live";
+  if (t >= openAt) return "open";
+  return "scheduled";
+}
+
+export function canJoinMeeting(status: MeetingStatus): boolean {
+  return status === "open" || status === "live";
+}
+
+export const statusLabel: Record<MeetingStatus, string> = {
+  scheduled: "Online-Termin",
+  open: "Termin beginnt bald",
+  live: "Jetzt teilnehmen",
+  ended: "Termin beendet",
+};