Initial upload of BB-Apartment 2026 website.

Adds the complete Next.js website including i18n routing, house and
apartment pages, Beds24 v2 integration for live availability/pricing,
Stripe checkout, contact forms, Docker setup and deployment docs.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

app/api/webhooks/stripe/route.ts

@@ -0,0 +1,80 @@
+import { NextRequest, NextResponse } from "next/server";
+import { headers } from "next/headers";
+import Stripe from "stripe";
+import { getStripe, getStripeWebhookSecret } from "@/src/lib/stripe";
+import { prisma } from "@/src/lib/prisma";
+
+export const dynamic = "force-dynamic";
+
+export async function POST(request: NextRequest) {
+  const payload = await request.text();
+  const headerPayload = await headers();
+  const signature = headerPayload.get("stripe-signature") || "";
+
+  // Determine which Stripe account this webhook belongs to
+  // Stripe sends the account ID in the Stripe-Account header for Connect
+  const accountId = headerPayload.get("stripe-account") || "";
+  let houseId: string;
+
+  if (process.env.STRIPE_ACCOUNT_HERDWEWEG && accountId === process.env.STRIPE_ACCOUNT_HERDWEWEG) {
+    houseId = "herdweg";
+  } else if (process.env.STRIPE_ACCOUNT_SCHOENAICHER && accountId === process.env.STRIPE_ACCOUNT_SCHOENAICHER) {
+    houseId = "schoenaicher";
+  } else {
+    // If no account header, try to infer from event metadata (not available in signature verification)
+    // For now, we'll try both secrets. In production, use separate webhook endpoints or account headers.
+    return NextResponse.json(
+      { error: "Could not determine Stripe account" },
+      { status: 400 }
+    );
+  }
+
+  try {
+    const stripe = getStripe(houseId);
+    const webhookSecret = getStripeWebhookSecret(houseId);
+    const event = stripe.webhooks.constructEvent(payload, signature, webhookSecret);
+
+    // Deduplicate events
+    const existingEvent = await prisma.stripeEvent.findUnique({
+      where: { eventId: event.id },
+    });
+    if (existingEvent) {
+      return NextResponse.json({ received: true });
+    }
+
+    await prisma.stripeEvent.create({
+      data: {
+        eventId: event.id,
+        accountId,
+        type: event.type,
+        payload: JSON.stringify(event),
+      },
+    });
+
+    if (event.type === "checkout.session.completed") {
+      const session = event.data.object as Stripe.Checkout.Session;
+      const bookingReference = session.metadata?.bookingReference;
+
+      if (bookingReference) {
+        await prisma.booking.update({
+          where: { bookingReference },
+          data: {
+            status: "deposit_paid",
+            stripePaymentIntentId: session.payment_intent as string,
+          },
+        });
+
+        // TODO: Trigger n8n workflow to create booking in Beds24
+        console.log(`Deposit paid for booking ${bookingReference}`);
+      }
+    }
+
+    return NextResponse.json({ received: true });
+  } catch (error) {
+    console.error("Stripe webhook error:", error);
+    return NextResponse.json(
+      { error: "Webhook verification failed" },
+      { status: 400 }
+    );
+  }
+}