- Create Guest CPT with personal info, address, ID/passport tracking
- Add guest-booking integration with AJAX search and linking
- Implement GDPR compliance via WordPress Privacy API (export/erasure)
- Update EmailNotifier to use Guest CPT data with new placeholders
- Add CSS styles for guest search, linked display, and privacy UI
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
