{
  "forecast_id": "to_fcst_20260313_0300",
  "hazard": "tornado",
  "issued_at": "2026-03-13T03:00:00Z",
  "steps": [
    "ingest_spc_context",
    "feature_build",
    "model_inference",
    "calibration_transform",
    "gate_evaluation",
    "publish_artifact"
  ],
  "result_probability": 0.186
}