{
  "best_model": "gbm_hybrid",
  "best_mape_pct": 2.8889,
  "eia_benchmark_mape_pct": 3.6309,
  "skill_vs_eia_pct": 20.44,
  "test_window_start": "2026-05-19",
  "test_observations": 25914,
  "generated_at_utc": "2026-08-17T08:07:22.004683+00:00"
}