{
  "completed_step": "C326",
  "next_proposed_step": "C327",
  "question": "Remove the500-only target and classify every positive cross-context residual among the same five-role source biographies: after the held460 same-role leg, which existing SP endpoints remain later, and which full source durations do they partition?",
  "reason_selected_after_current_result": "The full configuration differs from the selectedbilateral template. A complete residual ledger will show whether40 is a lone selected feature or one member of a coherent source-biography structure, without adding endpoints or changing contexts.",
  "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."
}