from typing import Dict, Any, Optional, List


def predict_supply_chain_bottlenecks(
    features: List[str],
    target: str = "lead_time_delay",
    model_type: str = "xgboost",
    horizon_days: int = 14
) -> Dict[str, Any]:
    """
    Predict Supply Chain Bottlenecks (placeholder intent)

    Parameters
    ----------
    features : list[str]
        Inputs like road accessibility, border wait times, warehouse stock, orders.
    target : str
        Delay/throughput metric to forecast.
    model_type : str
        e.g., "xgboost", "lgbm", "rf".
    horizon_days : int
        Forecast horizon in days.
    """
    return {
        "type": "ml_predict_supply_chain_bottlenecks",
        "model_type": model_type,
        "features_count": len(features),
        "target": target,
        "horizon_days": horizon_days,
        "preview": {"will_train": True, "expected_outputs": ["predictions", "feature_importance", "cv_metrics"]},
    }
