- Convert previous/next navigation to USWDS pagination component
- Update radio buttons and checkboxes to use USWDS classes
- Migrate guest list inputs with proper USWDS styling
- Replace GOV.UK button patterns with USWDS button variants
- Update form field spacing to use USWDS utilities
- Scope fieldset legend styles to specific form contexts
- Update visual regression test references for new components
- Replace usaRadioLabel with usaLabel for checkbox labels
- Update hint classes from govuk-checkboxes__hint to usa-checkbox__label-description
- Change conditional reveal classes from govuk-specific to USWDS display-none utility
- Update template comments to reflect USWDS migration
- Add checkbox-specific routes to BackstopJS configuration for testing
This establishes a baseline for checkbox component migration with expected
spacing differences between GOV.UK and USWDS implementations.
