skill-usage-audit
Use when measuring whether a skill-concierge gate-threshold change helped real skill usage or adoption — "did the new gate values help", "skill usage impact after the change", "assess skill helpfulness", "audit skill usage post-deploy", "which telemetry is valid for skill-usage analysis". Stops the reflex of using the skill-invocation-ledger or treating offer→take as usage; routes to the transcrip…