Your New Prompt 'Feels' Better. That's Not an Eval.

You tweak the prompt. Run it against the three examples you always use to sanity-check. It looks better. Ship it. That's not evaluation. That's vibes with extra steps — and it's the exact habit interviewers are trained to catch with one question. 🎯 TL;DR: One interview question, one real framework: don't trust "it looks better on my usual examples" — build a small eval set, score it the same way every time, and re-run it on every future change. Read the framework, then use it as the literal…