Prompt Regression Testing: A Real‑World Step‑by‑Step Guide for QA Engineers
Audience: QA/QE engineers who ship software and want a concrete, repeatable workflow for testing LLM prompts like any other production surface.
Outcome: You’ll implement a minimal, production‑ready prompt regression suite (golden tests + oracle + CI gate) using a realistic customer‑service example. Copy/paste the snippets into a