{
  "number": 327,
  "date": "2026-09-24",
  "title": "Complete source-biography residual census",
  "question": "Which positive cross-context residuals remain after the held460 same-role leg, among all existing five-role endpoints?",
  "authorization": "User authorized next10 bounded steps C324–C333; next question reassessed after each completed result.",
  "scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}