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/angebote.ts

@@ -0,0 +1,66 @@
+import { OFFER_CATEGORIES } from "@/collections/Offers";
+import type { Offer } from "@/payload-types";
+
+export type ImageMood =
+  | "plum"
+  | "dustyrose"
+  | "moss"
+  | "caramel"
+  | "mauve"
+  | "sand"
+  | "rose"
+  | "peach";
+
+// Purely a presentation fallback for offers/events without an uploaded photo
+// yet — content itself always comes from the CMS.
+const moodBySlug: Record<string, ImageMood> = {
+  prozessbegleitung: "plum",
+  "doula-begleitung": "dustyrose",
+  erdenkinder: "moss",
+  maedchenkreis: "caramel",
+  "singen-im-kreis": "sand",
+  "singen-fuer-schwangere": "peach",
+  "mama-baby-singkreis": "rose",
+};
+
+const moodByCategory: Record<string, ImageMood> = {
+  prozessbegleitung: "plum",
+  "doula-begleitung": "dustyrose",
+  kindergruppen: "moss",
+  singkreise: "rose",
+};
+
+export function moodForOffer(offer: Pick<Offer, "slug" | "category">): ImageMood {
+  return (offer.slug ? moodBySlug[offer.slug] : undefined) ?? moodByCategory[offer.category] ?? "mauve";
+}
+
+export type OfferCategoryGroup = {
+  category: (typeof OFFER_CATEGORIES)[number]["value"];
+  label: string;
+  href: string;
+  offers: Offer[];
+};
+
+const categoryHref: Record<string, string> = {
+  prozessbegleitung: "/angebote/prozessbegleitung",
+  "doula-begleitung": "/angebote/doula-begleitung",
+  kindergruppen: "/angebote#kindergruppen",
+  singkreise: "/angebote/singkreise",
+};
+
+/**
+ * Groups the flat `offers` collection into the four nav/overview sections.
+ * Private offers (e.g. "Einzelbegleitung") are deliberately excluded — they
+ * stay reachable only via their own direct booking link.
+ */
+export function groupOffersByCategory(offers: Offer[]): OfferCategoryGroup[] {
+  const publicOffers = offers.filter((offer) => offer.visibility !== "private");
+  return OFFER_CATEGORIES.map(({ value, label }) => ({
+    category: value,
+    label,
+    href: categoryHref[value] ?? "/angebote",
+    offers: publicOffers
+      .filter((offer) => offer.category === value)
+      .sort((a, b) => (a.order ?? 0) - (b.order ?? 0)),
+  })).filter((group) => group.offers.length > 0);
+}