{
  "completed_step": "C423",
  "next_proposed_step": "C424",
  "question": "Audit the16 labelled Flood-start/Noah-death2K pairings already enumerated in C414 as one closed class. Retain their exact source contexts and test whether an additional documented station in the same contexts supports a coherent correspondence, without adding sources, pivots, phases or Gear scope.",
  "reason_selected_after_current_result": "The same-role person profile and its immediate extensions are now bounded. The largest remaining mixed-role class in the existing2K census is a concrete next target, with a fixed finite menu and no need for a new anchor. This is proposed only; the C414–C423 authorization ends here.",
  "executed": false,
  "authorization_remaining": 0,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}