North-Star Metric Tree Builder Prompt

Decompose the north-star metric below into a metric tree.
- Level 1: the north-star metric.
- Level 2: 2-3 input metrics that directly drive it (with the formula connecting them).
- Level 3: for each Level 2 metric, one or two controllable inputs.
- Mark each leaf as a "lever" (a team can move it) or a "gauge" (it reflects but isn't directly controllable).

North-star metric: {{metric}}

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