Adds an ACL↔OpenZaak integration test asserting SetZaakToCancellationStatusAsync records the Geannuleerd status + a resultaat against real OpenZaak, and extends the domain verify script to confirm a timed-out registration's zaak is cancelled to Geannuleerd end-to-end. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>