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A Scorecard for Agent Diffs: Fixture Digests, Seed Replay, and Failure Signatures

This story is from 2026-09-23. It is preserved in the archive; the latest stories are on the live feed.

A green unit-test job is not evidence that an agent patch is safe to merge. Agents can keep pytest quiet by rewriting golden files, dropping hard generator seeds, or renaming a flaky case. Score the patch against three files the agent does not own: fixture digests, a property seed log, and a freeze…

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  1. 2026-09-23 04:56 · DEV Community — AI
    A Scorecard for Agent Diffs: Fixture Digests, Seed Replay, and Failure Signatures

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