Evals Ops

Evals are the prerequisite, not the polish. You cannot tune a prompt, a retriever, a compaction strategy or a memory layer without a harness that says whether the change made things better. Teams that skip this ship vibes and learn about regressions from users.

This skill is the operational layer: what to measure, how to build the dataset, how to make a judge trustworthy, and how to gate CI on it without teaching everyone to ignore red.

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