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Session Envelopes Decide Whether an Agent Delta Ships

This story is from 2026-09-24. It is preserved in the archive; the latest stories are on the live feed.

An agent leaderboard becomes evidence only when the dataset slice, the metric definition, and the server session travel together. A lone pass rate can rise because the queue shortened, the fallback model changed, or an easy stratum dominated the sample. The method below treats those shifts as disqu…

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  1. 2026-09-24 21:59 · DEV Community — AI
    Session Envelopes Decide Whether an Agent Delta Ships

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