{
  "completed_step": "C321",
  "next_proposed_step": "C322",
  "question": "Test whether these three nativeON/MT600 counterparts extend to the complete sourceNoah/Shem biography under the same460 comparison. Then give one joint support table forOFF600, ON600, reversed500 andC287, distinguishing source co-existence from a uniform biography transport.",
  "reason_selected_after_current_result": "C321 proves a two-event correspondence. Checking the remaining already admittedNoah/Shem endpoints is the necessary final diagnostic before a synthesis can safely describe the combined structure.",
  "executed": false,
  "authorization_remaining": 2,
  "fixed_scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}