False Prompt Lamp Pull-Chain Default

If the chain is suppressed, a default event forces the table to either recover the scuffed chain from the socket tray or admit the replacement destroyed the prompt-timing edge. Both outcomes leave future route obligations visible.

suppressed_prompt_lamp_chain:
  trigger_condition: prompt_lamp.default_pending
  source_chain_or_absence: brass chain PDL-12 or explicit destroyed-chain admission
  hidden_margin_shadow: blackout chain shadow hidden by the clean prompt page
  protected_understudy_or_route: understudy Mei / silent prompt route remains protected
  capturing_reader_or_route: stage manager or socket-scan future route
  prompt_state_after: suppressed_default
  choices:
    - recover_scuffed_chain
    - admit_chain_destroyed
  counter_deltas_min: 3
  durable_mutation: true