{
  "schema_version": "1.0",
  "current_version": "2026.07",
  "effective_date": "2026-07-14",
  "confidence_definition": "Directional model conviction, not calibrated win probability.",
  "sports": [
    "mlb",
    "nba",
    "nfl",
    "nhl",
    "soccer"
  ],
  "versions": [
    {
      "version": "2026.07",
      "date": "2026-07-14",
      "summary": "Initial public model card and machine-readable confidence definition."
    }
  ]
}