perf: sort interactions at TanStack-beating latency, end to end (#457) - #479

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blove merged 27 commits into

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blove/spec-457-cbb90d

Aug 19, 2026

Commits on Aug 17, 2026

docs: spec for #457 sort fast path (delta classifier + synchronous rebuild)

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docs: implementation plan for the #457 sort fast path (+ spec amendment for #467 sortAuthority)

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feat(row-model): classify query deltas between compiled plans
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feat(row-model): O(n) balanced tree construction from sorted entries

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feat(row-model): rebuild row metadata by carryover for sort-only plan changes

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feat(row-model): synchronous whole-root rebuild for sort-only changes

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feat(row-model): sort-only setQuery completes synchronously on flat queries

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docs(bench): note the sort fast path's designed exemption from the slice bound
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docs(website): rebuild-progress demo rides a filter change; flat sorts are synchronous now (#457)

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Commits on Aug 18, 2026

docs: spec for sort-key ownership + reorder signal (#457 cycle 2)

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docs: implementation plan for sort-key ownership + reorder signal

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feat(row-model): plan-owned sort-key store and record-based comparator

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refactor(row-model): resolve sort keys through the plan store everywhere

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feat(row-model): sort-only changes carry records and the rows map by identity

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perf(row-model): sort-only rebuild sorts with pre-resolved keys

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feat(row-model): sort-only commits publish a reorder reset reason

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chore: format drift sweep

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chore(core): reorder reset reason through the public surface, with a fail-closed pin

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feat(layout-core): synchronous reorder over existing height entries

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feat(renderer-dom): sort-only commits permute row heights instead of re-ingesting

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docs: spec for decorated entries + bulk mount (#457 cycle 3)

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docs: implementation plan for decorated entries + bulk mount

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perf(row-model): tree entries carry their sort keys

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perf(layout-core,renderer-dom): replacements over unmeasured state build synchronously

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feat(renderer-dom): reorders compose into active replacements at finish

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Commits on Aug 19, 2026

chore: format grid-core reorder-reset pin test

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perf(row-model): one per-row WeakMap, one rehash in the worst slice

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