{
  "optimal_threshold": 0.293748559646689,
  "feature_names": [
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    "pressure_change_24h",
    "pressure_volatility",
    "humidity_pct",
    "temperature_c",
    "is_pressure_drop",
    "sleep_total_hours",
    "deep_sleep_min",
    "rem_sleep_min",
    "resting_hr",
    "hrv_avg_ms",
    "workout_min",
    "menstrual_flow_flag",
    "had_headache_1d",
    "severity_1d",
    "duration_1d",
    "mood_1d",
    "symptom_count_1d",
    "trigger_count_1d",
    "had_headache_2d",
    "severity_2d",
    "duration_2d",
    "dow_sin",
    "dow_cos",
    "month_sin",
    "month_cos",
    "doy_sin",
    "doy_cos",
    "is_weekend",
    "age_midpoint",
    "is_europe",
    "is_tropical",
    "sleep_x_pressure",
    "low_hrv_flag",
    "sleep_deficit",
    "high_humidity_flag",
    "headache_streak_2d",
    "consecutive_headache_days"
  ],
  "num_features": 38,
  "model_version": "3.0.0",
  "trained_at": "2026-03-12T10:47:40.844379",
  "test_metrics": {
    "roc_auc": 0.6859,
    "pr_auc": 0.5669,
    "f1": 0.5593
  },
  "training_rows": 150480,
  "feature_importances": {
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    "pressure_change_24h": 0.008701,
    "consecutive_headache_days": 0.007257,
    "hrv_avg_ms": 0.004118,
    "headache_streak_2d": 0.003967,
    "duration_2d": 0.003535,
    "duration_1d": 0.002007,
    "humidity_pct": 0.001802,
    "menstrual_flow_flag": 0.001657,
    "temperature_c": 0.001522,
    "resting_hr": 0.000438,
    "had_headache_2d": 0.000436,
    "rem_sleep_min": 0.000399,
    "pressure_mb": 0.000374,
    "pressure_volatility": 0.000369
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}