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Canary Mutations for Fixtures: A Sensitivity Gate for Agent-Written Patches

This story is from 2026-10-26. It is preserved in the archive; the latest stories are on the live feed.

A green suite is the weakest evidence an agent-authored patch can hand you. Gate on fixture sensitivity instead: every fixture a patch touches must still be able to fail something. This post gives you three layers — property obligations, canary mutations, and a freeze registry with an expiry — plus…

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  1. 2026-10-26 13:01 · DEV Community — AI
    Canary Mutations for Fixtures: A Sensitivity Gate for Agent-Written Patches

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