Stage Left Spike Tape Afteruse Receipt Mechanics
This mechanic is local authority only: a source stage left spike tape can prove its original escorted house-mic access, but it cannot become universal audio power or safe scene-change 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 tape id, tape inventory or visible absence, original house-mic span, original audio-power map version, original deck captain, requested afteruse scene, afteruse caller, current audio-power map version or absence, current deck captain or absence, displaced swing_actor, proof bridge or explicit absence, selected posture, and future route effect.
Seven review branches must be present: certify current deck captain, attach the stage left spike tape afteruse receipt, split original and later stage left readers, require editor checksum, publish operator notice, quarantine tape afteruse claim, and false-clean tape default. The default follow-up must leave exactly one durable terminal state and exactly one matching future route effect.