paths: raw_data: "data/raw/online_retail_II.xlsx" clean_data: "data/processed/online_retail_clean.csv" model: "models/churn_xgb_model.pkl" segments: "data/processed/rfm_segments.csv" predictions_report: "data/processed/churn_predictions_report.csv" high_value_report: "data/processed/high_value_at_risk_customers.csv" parameters: cutoff_offset_days: 90 recent_purchase_window_days: 60 single_order_imputation_days: 180.0 default_recent_orders_ratio: 0.3 default_is_uk: 1 model_hyperparameters: n_estimators: 150 learning_rate: 0.05 max_depth: 4 subsample: 0.8 colsample_bytree: 0.8 scale_pos_weight: 2.0 random_state: 42 api: host: "127.0.0.1" port: 8000 reload: true