LLM Metric Anomaly Review Prompt for Analytics

A metric moved: {{metric}} changed from {{before}} to {{after}} over {{period}}.
List the possible explanation classes: measurement change, composition or mix shift, seasonality, upstream product change, external event, and genuine behaviour change.
For each, the cut of the data that would confirm or rule it out.
Do not name a single cause until the cuts are checked.

Replace the {{fields}} with your own context and tighten the rules to match your domain.