{
  "completed_step": "C415",
  "next_proposed_step": "C416",
  "question": "Test all four Noah/Shem birth/death stations in the newly identified SP companion G3 C1/T1/F1 versus MT G1 C0/T0/F0 context pair, including their fixed500/950/600 relations. Keep Flood boundary identity separate.",
  "reason_selected_after_current_result": "This checks whether the new birth and death comparisons form a coherent same-role profile, rather than promoting separate coordinate hits.",
  "executed": false,
  "authorization_remaining": 8,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}