Merge main into feat/gro-107-ical-feed to resolve merge conflicts

- portal.ts: keep min(1) validation for customerNotes (more restrictive)
- index.ts: keep waitlistRouter import and both calendar + portal public routes
- Both routers can coexist in public section (different URL namespaces)

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/types/src/index.ts

@@ -110,6 +110,7 @@ export interface Appointment {
   confirmedAt: string | null;
   cancelledAt: string | null;
   confirmationToken: string | null;
+  customerNotes: string | null;
   createdAt: string;
   updatedAt: string;
 }