{
  "engine_version": "1.0.1",
  "model_type": "lightgbm",
  "feature_count": 256,
  "trained_at": "2026-07-31",
  "dataset": "ember-malware-triage-synthetic",
  "risk_thresholds": {
    "low": 0.25,
    "medium": 0.5,
    "high": 0.75,
    "critical": 0.9
  },
  "decision_threshold": 0.65,
  "validation_roc_auc": 1.0,
  "validation_pr_auc": 1.0,
  "validation_calibration_error": 0.0,
  "calibration": "isotonic"
}