Fieldnotes

Ask first.
Then keep what you learned.

Three essays. Each names a failure mode the skills are built to catch.

A clear question names the decision, the denominator, the comparison, and what would overturn the answer.

Separate the arithmetic from the story.

Keep lessons the next analysis actually retrieves.

Next time a metric moves,
don’t let the average run the meeting.

Install one skill. Paste the four-row prompt. See whether the agent still recommends the rollback.