The merge of fix/test-home-menu-integration carries only approved SW changes (shared roving focus / outside pointer
helpers, Firefox line-values grid); no Story change, public API unchanged (public-api.approved.json kept). Guards:
overview 54/54, overlays 20/20, unused 93/93, dropdown 228/228, stage1 41/41, home menu 23/23, public API 7/7.
Unattended follow-up report: test alignment, Firefox fixes, shared helpers, source guard and public API checks,
verification results and the commit split.
shkim4