{
  "completed_step": "C346",
  "next_proposed_step": "C347",
  "question": "Compare the300/299 birth-endpoint realization with the complete admitted MT Noah birth/death pairs. Test whether it is a950-preserving Gear translation or a whole-biography affine scaling, and retain their distinct source permissions.",
  "reason_selected_after_current_result": "Both ratios now have explicit endpoint interpretations. The strongest remaining ambiguity is whether a successful gap conversion also transports a biography.",
  "executed": false,
  "authorization_remaining": 7,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}