refactor(datagrid): correctness, a11y, perf, tests#946

Merged

datlechin merged 14 commits intomainfrom

refactor/datagrid-audit-fixes

Apr 29, 2026

Commits on Apr 29, 2026

fix(datagrid): re-resolve cell background colors on appearance change and use native focus ring
datlechin
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fix(datagrid): discard overlay editor edits on column resize
datlechin
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docs(changelog): note multiline overlay discard and cell color appearance refresh
datlechin
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fix(a11y): announce sort direction and priority on data grid column headers
datlechin
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refactor(datagrid): drop redundant window-level mouse-moved events flag
datlechin
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fix(datagrid): keep sortedIDs and cachedRowCount in sync to prevent reload mismatch
datlechin
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perf(datagrid): memoize displayFormats by tab schema version
datlechin
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test(storage): cover FileColumnLayoutPersister isolation, overwrite, and clear edge cases
datlechin
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test(datagrid): cover ColumnIdentitySchema duplicate-name and reserved-name edge cases
datlechin
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test(datagrid): cover MainContentCoordinator tab switch state save and restore
datlechin
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test(datagrid): cover MainContentCoordinator sort dispatch and cache invariants
datlechin
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fix(datagrid): remove ineffective background color re-apply on appearance change
datlechin
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docs(changelog): scope appearance bullet to focus ring only
datlechin
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test(datagrid): rewrite clearSort no-op test without inconsistent cache setup
datlechin
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