[Perf] Add performance improvements and benchmark harness#581

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tywalch wants to merge 18 commits into

perf/audit-findings

Commits on Jun 10, 2026

Addresses divergencies between documentation and implementation discovered by Claude Fable.
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test: extract shared offline fixtures (mock client, fixture entity)

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perf: accumulate query pages in place instead of rebuilding arrays

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perf: skip doomed ModelBeta validation pass; check instance symbols first

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perf: allocate formatResponse's ElectroError only on the throw path

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perf: share the siblings snapshot per mutation pass; skip no-op path regex

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perf: build chain update machinery lazily; reads never construct it

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test: add tinybench benchmark harness with baseline compare

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refactor: convert fixtures, guard spec, and benchmark harness to TypeScript

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feat(benchmark): statistical significance verdicts in compare

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Adds benchmark to .npmignore
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refactor(benchmark): consolidate duplicate average helpers

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Clean up
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refactor(benchmark): spell out all abbreviated names
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Clean up
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Commits on Jun 13, 2026