- role="tooltip" → role="region" + aria-label={label}: tooltip semantics
are wrong for a click-triggered panel (Nora/Sara)
- expand button to 44×44px with inner visual <span>: WCAG 2.5.8 touch
target for 60+ transcriber audience (Sara/Leonie)
- replace Math.random() with module-level counter: SSR/hydration mismatch
when server and client generate different IDs (Felix)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
