Add booking checkout and webhook flow

src/app/api/bookings/checkout/route.ts

@@ -0,0 +1,29 @@
+import { NextResponse } from 'next/server';
+import { createBookingCheckout } from '@/lib/payments';
+
+export async function POST(request: Request) {
+  const body = (await request.json()) as Record<string, unknown>;
+
+  try {
+    const result = await createBookingCheckout({
+      propertySlug: String(body.propertySlug || ''),
+      arrivalDate: body.arrivalDate ? String(body.arrivalDate) : undefined,
+      departureDate: body.departureDate ? String(body.departureDate) : undefined,
+      adults: Number(body.adults ?? 2),
+      children: Number(body.children ?? 0),
+      pets: Number(body.pets ?? 0),
+      location: body.location ? String(body.location) : undefined,
+      firstName: String(body.firstName || ''),
+      lastName: String(body.lastName || ''),
+      email: String(body.email || ''),
+      phone: body.phone ? String(body.phone) : undefined,
+      specialRequests: body.specialRequests ? String(body.specialRequests) : undefined,
+      termsAccepted: Boolean(body.termsAccepted),
+    });
+
+    return NextResponse.json({ ok: true, ...result });
+  } catch (error) {
+    const message = error instanceof Error ? error.message : 'Checkout failed';
+    return NextResponse.json({ ok: false, error: message }, { status: 400 });
+  }
+}