| adaptive_validation_score | City-Adaptive Validation Score |
| adaptive_weights | City-Adaptive Validation Weights |
| city_indices | City-Level Detour Diagnostics |
| combine_objectives | Combine Objective Components |
| compare_distance_models | Compare Distance-Prediction Models |
| detour_factor | Compute Detour Factors |
| evaluate_distance_model | Evaluate Distance Predictions |
| hybrid_objective | Modular Hybrid Objective |
| median_df_regularization | Median-Based Detour Regularization |
| point_loss | Pointwise Loss Aggregator |
| robust_loss_active | Robust-Loss Activation Rule |
| tail95 | Tail95 Detour-Heaviness Index |
| tpi | Topological Predictability Index |