# Research: Keyboard-first Grid & Screen Reader UX

## Hypothesis
A roving tabindex grid with appropriate ARIA roles can provide intuitive keyboard navigation and informative SR output.

## Questions
- Best roles: grid vs listgrid vs table
- Roving tabindex vs per-cell tab stops
- SR announcement strings for date, mood, positive/negative counts

## Method
- Create minimal prototype; test with Axe and at least one SR (NVDA/VoiceOver)

## Acceptance
- Arrow navigation works; SR reads context and counts
- Meets WCAG AA navigability and focus visibility

## Deliverables
- ARIA mapping and strings; nav model; test checklist