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

collections/EventRegistrations.ts

@@ -0,0 +1,79 @@
+import type { CollectionConfig } from "payload";
+import { isAdmin } from "@/access";
+
+export const EventRegistrations: CollectionConfig = {
+  slug: "event-registrations",
+  labels: {
+    singular: "Anmeldung",
+    plural: "Anmeldungen",
+  },
+  admin: {
+    useAsTitle: "name",
+    defaultColumns: ["name", "email", "event", "status", "registeredAt"],
+    group: "Inhalte",
+    description: "Anmeldungen zu Terminen — wird beim öffentlichen Anmeldeformular befüllt.",
+  },
+  access: {
+    // Visitors register themselves through the public event page.
+    create: () => true,
+    read: isAdmin,
+    update: isAdmin,
+    delete: isAdmin,
+  },
+  fields: [
+    {
+      name: "event",
+      type: "relationship",
+      relationTo: "events",
+      label: "Termin",
+      required: true,
+      index: true,
+    },
+    {
+      type: "row",
+      fields: [
+        { name: "name", type: "text", label: "Name", required: true, admin: { width: "50%" } },
+        { name: "email", type: "email", label: "E-Mail", required: true, admin: { width: "50%" } },
+      ],
+    },
+    {
+      name: "status",
+      type: "select",
+      label: "Status",
+      required: true,
+      defaultValue: "registered",
+      options: [
+        { label: "Angemeldet", value: "registered" },
+        { label: "Storniert", value: "cancelled" },
+        { label: "Teilgenommen", value: "attended" },
+      ],
+    },
+    {
+      name: "registeredAt",
+      type: "date",
+      label: "Registriert am",
+      defaultValue: () => new Date().toISOString(),
+      admin: { position: "sidebar", date: { pickerAppearance: "dayAndTime" } },
+    },
+    {
+      type: "row",
+      admin: { position: "sidebar" },
+      fields: [
+        {
+          name: "reminder60Sent",
+          type: "checkbox",
+          label: "Reminder 60 Min. gesendet",
+          defaultValue: false,
+          admin: { width: "50%" },
+        },
+        {
+          name: "reminder30Sent",
+          type: "checkbox",
+          label: "Reminder 30 Min. gesendet",
+          defaultValue: false,
+          admin: { width: "50%" },
+        },
+      ],
+    },
+  ],
+};