* Add transfer model and clean up family snapshot fixtures
* Ignore transfers in income and expense snapshots
* Add transfer validations
* Implement basic transfer matching UI
* Fix merge conflicts
* Add missing translations
* Tweak selection states for transfer types
* Add missing i18n translation
* Clean up transaction show view, add delete button
* Clean up tailwind global styles, add switch
* Bulk deletion controller and tests
* Normalize translations
* Add bulk deletion button and form
* Add bulk selection UI
* Handle bulk selection with Stimulus controller instead of session
* Update tests
* Remove stale routes
* Remove old system test helper methods
