# PROVENANCE — chair_routing_credential

- classifier_result 출처: tests/fixtures/merge_ready/chair_blocking_secret (verdict=CHAIR_REQUIRED, credential_tier=BLOCKING_SECRET, chair=[CREDENTIAL_PERMISSION_EXPANSION])
- credential 3계층 doctrine: BLOCKING_SECRET → 회장 escalate (자동수렴 불가)
- 기대 routing: WOULD_ESCALATE_CHAIR
- 안전 불변식: actually_executed=false · 평문 비밀 미포함