differentiate

name	differentiate
description	Recommend the cheapest experiment that discriminates between two or more candidate paths.
argument-hint	<candidate-id>
user-invocable	true
disable-model-invocation	false

/differentiate

Canonical algorithm

1. Take a candidate path and the alternatives under consideration.
2. Identify the discriminating signal (what would change my mind?).
3. Recommend the cheapest experiment that produces the signal.

Pre-flight checklist

• Read-only — no state mutations.

Output contract

Skill envelope listing the discriminating experiments and the recommended next move.