Marcel 3365f5845e fix(person-mention): hover card mounts on focusin for keyboard users (WCAG 2.1.1)
Leonie FINDING-01 (Critical) + Elicit E3: only mouseenter triggered the
hover card, so a keyboard user tabbing through transcribed text reached the
anchor but never saw the rich-context preview. For the senior audience
constraint that's a hard regression.

Wire focusin/focusout alongside mouseenter/mouseleave on the delegated
listener. Same handleMentionEnter/Leave run — getBoundingClientRect works
identically on focused elements. focusin/focusout bubble naturally so no
capture phase needed.

Two new tests assert focusin mounts the card and focusout unmounts it.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-29 08:57:48 +02:00
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