{
  "schemaVersion": 1,
  "mode": "shadow",
  "live": false,
  "edge": false,
  "status": "insufficient-data",
  "legacyReturnsValidated": false,
  "method": "Delayed entries, two-sided costs, chronological capital reservation, unresolved-position stress losses, purged train/validation/holdout split.",
  "note": "No valid chronological cohort was available from the discovery API. No candidate was promoted and no new return is claimed. Historical summaries are invalidated for portfolio evaluation.",
  "checkedAt": "2026-09-24",
  "collection": {
    "firstSample": 120,
    "rejectedTooYoung": 120,
    "olderSample": 0
  }
}