False Window Closure Default

false_window_closure_default:
  false_clean_window_claim: true
  expired_proof_row_or_absence: required
  hidden_or_changed_custody_basis: required
  capturing_reader_or_sponsor: required
  harmed_or_excluded_reader: required
  proof_window_state_after: required
  future_reader_effect: required
  counter_deltas_min: 3
  durable_mutation: true

If the player lets this default stand, later readers see the closure as contested instead of neutral. The branch is a failure state with durable evidence, not an invisible cleanup.