Add bundle deals to at the door and the kiosk

Both list the event's deals and show the Complete bundle / + cards from the register
form. At the door gets the standard Back to dashboard link.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,17 @@ and this project follows [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+## [1.28.1] - 2026-10-21
+
+### Added
+
+- At the door and the self-service kiosk now list the event's bundle deals and show the same bundle cards as the register form: once a ticket from a bundle is picked, **Complete bundle** tops up the ticket numbers, and **+** adds another full set.
+
+### Fixed
+
+- At the door now has the same "← Back to dashboard" link as the other dashboard pages.
+- At the door's "less than already paid" warning shows the total after bundle deals.
+
 ## [1.28.0] - 2026-10-21
 
 Run `npm run prisma:deploy` in the backend when deploying. This release adds a migration.