{
    "model_version": "1.0.0",
    "last_trained": "2025-12-12",
    "required_columns": [
        "store_id",
        "item_id",
        "temperature",
        "humidity",
        "year",
        "month",
        "day",
        "day_of_week",
        "is_weekend",
        "quarter",
        "is_holiday",
        "temp_category_Cool",
        "temp_category_Warm",
        "temp_category_Hot",
        "humidity_level_Medium",
        "humidity_level_High",
        "season_fall",
        "season_spring",
        "season_summer",
        "season_wet",
        "season_winter",
        "sales_lag_1",
        "sales_lag_7",
        "sales_lag_14",
        "sales_lag_28",
        "sales_mean_7d",
        "sales_min_7d",
        "sales_max_7d",
        "sales_std_7d",
        "sales_mean_14d",
        "sales_min_14d",
        "sales_max_14d",
        "sales_std_14d",
        "sales_mean_28d",
        "sales_min_28d",
        "sales_max_28d",
        "sales_std_28d",
        "sales_ewma_7d_a05",
        "sales_ewma_14d_a05",
        "sales_ewma_28d_a05",
        "sales_ewma_7d_a075",
        "sales_ewma_14d_a075",
        "sales_ewma_28d_a075",
        "store_mean_7d",
        "store_sum_7d",
        "item_mean_7d",
        "item_sum_7d"
    ],
    "column_order": [
        "store_id",
        "item_id",
        "temperature",
        "humidity",
        "year",
        "month",
        "day",
        "day_of_week",
        "is_weekend",
        "quarter",
        "is_holiday",
        "temp_category_Cool",
        "temp_category_Warm",
        "temp_category_Hot",
        "humidity_level_Medium",
        "humidity_level_High",
        "season_fall",
        "season_spring",
        "season_summer",
        "season_wet",
        "season_winter",
        "sales_lag_1",
        "sales_lag_7",
        "sales_lag_14",
        "sales_lag_28",
        "sales_mean_7d",
        "sales_min_7d",
        "sales_max_7d",
        "sales_std_7d",
        "sales_mean_14d",
        "sales_min_14d",
        "sales_max_14d",
        "sales_std_14d",
        "sales_mean_28d",
        "sales_min_28d",
        "sales_max_28d",
        "sales_std_28d",
        "sales_ewma_7d_a05",
        "sales_ewma_14d_a05",
        "sales_ewma_28d_a05",
        "sales_ewma_7d_a075",
        "sales_ewma_14d_a075",
        "sales_ewma_28d_a075",
        "store_mean_7d",
        "store_sum_7d",
        "item_mean_7d",
        "item_sum_7d"
    ],
    "default_values": {
        "year": 2017,
        "month": 11,
        "day": 15,
        "day_of_week": 2,
        "is_weekend": 0,
        "quarter": 4,
        "is_holiday": 0
    },
    "temperature_bins": [
        -Infinity,
        20,
        25,
        30,
        Infinity
    ],
    "temperature_labels": [
        "Cold",
        "Cool",
        "Warm",
        "Hot"
    ],
    "humidity_bins": [
        -Infinity,
        60,
        75,
        Infinity
    ],
    "humidity_labels": [
        "Low",
        "Medium",
        "High"
    ]
}