{
  "number": 349,
  "date": "2026-09-24",
  "title": "Finite partial endpoint relations for E and300/299",
  "question": "Which exact endpoint moves and inverse moves remain inside the already used source field?",
  "authorization": "User authorized next10 bounded steps C344–C353; 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."
}