{
  "completed_step": "C330",
  "next_proposed_step": "C331",
  "question": "Insert only the existing SP Noah-death and same-Gear MT Noah-birth records into C287’s four complete2K edges, retaining SP primary/companion and MT Flood start/close identities. Which950/490 partitions are source-admitted?",
  "reason_selected_after_current_result": "The residual dependence is now explicit. The next bounded step reconnects the qualified death endpoint to the existing529 construction and tests the known companion boundary instead of assuming the primary490 relation transfers to every row.",
  "executed": false,
  "authorization_remaining": 3,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}