Add calibrated performance comparison statistics - #356

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DanRod1999 wants to merge 15 commits into

danrod1999-changeset-scanning-benchmarkfrom

danrod1999-performance-comparison-statistics

Commits on Jul 28, 2026

feat(perf): add paired log-ratio comparison layer for quick performance

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fix(perf): key noise bands by scenario and recipe, not environment alone

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test(perf): characterize verdict power against synthetic effects

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feat(perf): align arm contract with the weekly harness, declare 5% margin

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DanRod1999
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fix(perf): escalate when the margin is unresolvable but a change may not be

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Loosen the consistency gate from unanimity to 7/8 on measured evidence

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Declare the practical equivalence margin at 10% (A4)

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Record the gate/power coupling at the constant that controls it

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perf(tests): reconcile comparison statistics policy

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Commits on Jul 29, 2026

Commits on Jul 30, 2026