refactor(datagrid): persistent column pool + typed cell hierarchy#951

Merged

datlechin merged 15 commits into

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refactor/datagrid-phase2-cells-and-columns

Apr 30, 2026

Commits on Apr 30, 2026

perf(datagrid): add OSLog signposts to measure cell rendering hot path
datlechin
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refactor(datagrid): add typed cell hierarchy + registry foundation
datlechin
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refactor(datagrid): persistent column pool with slot-based identifiers
datlechin
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refactor(datagrid): wire registry + pool, delete mega-cell
datlechin
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fix(datagrid): set cell text-field delegate once, drop redundant per-render mutations
datlechin
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fix(datagrid): filter saved column order to current schema before moveColumn
datlechin
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fix(datagrid): reset slot order on reconcile, skip idempotent header rebuild
datlechin
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fix(datagrid): attach columns in saved order on first growth, eliminate reorder flicker
datlechin
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fix(datagrid): detect column schema change via names not slot identifiers
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fix(datagrid): suppress moveColumn animation during reconcile to prevent visible swap
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test(datagrid): add DataGridColumnPool and DataGridCellRegistry tests
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docs(datagrid): drop perf instrumentation, add Phase 2 design doc and changelog
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docs(datagrid): remove Phase 2 design doc
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fix(datagrid): always reconcile columns when data present, drop stale layout-skip optimization
datlechin
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fix(datagrid): scope move animation to moveColumn calls + add pool teardown hook
datlechin
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