{
  "completed_step": "C315",
  "next_proposed_step": "C316",
  "question": "Test the forced two-year cumulative ancestry displacement h=i−2 that would retain both17K and8395 while reaching each selected source Flood. Compare with permitted regular one-Gear descent only where its initial alias is admitted; retain all domain and phase boundaries.",
  "reason_selected_after_current_result": "C315 isolates an exact2-year mismatch. This tests an existing-station correspondence with unchanged constants and distinguishes it from an impermissible cumulative Gear operation or a fitted bridge.",
  "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."
}