Metric Anomaly Root-Cause Hypothesis Prompt

The metric {{metric}} changed by {{delta}} in the window below.
Generate 5 ranked root-cause hypotheses. For each:
- The suspected cause.
- The corroborating signal to check (another metric that would also move).
- The refuting signal (a metric that would NOT move if this is the cause).
- How quickly it can be verified.
Then name the most likely single cause.

Time window: {{window}}
Related metrics:
{{metrics}}

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