{
  "number": 344,
  "date": "2026-09-24",
  "title": "Source-qualified 598 to600 held-endpoint realizations",
  "question": "Which retained Noah/Flood endpoints realize File02’s598×300/299=600 rule?",
  "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."
}