Catwalk Safety Carabiner Afteruse Receipt Mechanics
This mechanic is local authority only: a source catwalk safety carabiner can prove its original safety-line attachment, but it cannot become universal catwalk access or safe-fly authority after the route changes.
The afteruse review requires seven local evidence cards, one state-pressure rite, and a false-clean default event. Required evidence fields: source carabiner id, carabiner inventory or visible absence, original rail span, original safety-line map version, original rigging captain, requested afteruse scene, afteruse caller, current safety-line map version or absence, current rigging captain or absence, displaced rigger, proof bridge or explicit absence, selected posture, and future route effect.
Seven review branches must be present: certify current rigging captain, attach the catwalk safety carabiner afteruse receipt, split original and later catwalk readers, require editor checksum, publish rigger notice, quarantine carabiner afteruse claim, and false-clean carabiner default. The default follow-up must leave exactly one durable terminal state and exactly one matching future route effect.