config.json

{
  "model_type": "gnaninet",
  "architectures": ["GnaniNet"],
  "input_dim": 14,
  "hidden_dims": [32, 16],
  "output_dim": 3,
  "activation": "relu",
  "param_count": 1059,
  "class_names": ["legitimate", "review", "fraudulent"],
  "feature_names": [
    "amount_vs_avg", "hour_sin", "hour_cos", "day_sin", "day_cos",
    "location_delta", "velocity_1h", "velocity_24h", "merchant_risk",
    "international", "card_present", "device_match",
    "account_age_norm", "prev_fraud_score"
  ],
  "thresholds": {
    "standard": {"review": 0.30, "fraudulent": 0.55},
    "conservative": {"review": 0.20, "fraudulent": 0.40},
    "strict": {"review": 0.45, "fraudulent": 0.70}
  }
}