feat: multichat grid view polish (a11y, unread, tab UX, mobile)#15

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finedesignz merged 8 commits into

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feat/grid-view-ship

May 25, 2026

Commits on May 25, 2026

fix(grid): mobile accordion uses dvh upper bound + design-token status dot
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refactor(grid): single MAX_CELLS_PER_TAB constant + SessionPicker a11y
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feat(grid): keyboard nav + ARIA roles for tabs, grid, and layout picker
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fix(grid): tab delete UX — confirm-message detail, last-tab protection, scroll-snap

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feat(grid): mobile accordion scrolls expanded row into view

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feat(grid): unread badge + polite aria-live for inactive cells

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docs(grid-view): accessibility, keyboard nav, unread, and tab-delete UX

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docs(03): ship-commit inventory for grid-view PR
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