plot_km_by_delay        Kaplan-Meier plot by group
vowr_cox_model          Estimate Cox proportional hazards model for
                        threshold breach
vowr_flag               Flag high-risk providers
vowr_import             Import and validate RTT data
vowr_km_by_risk         Kaplan-Meier plot by provider risk group
vowr_plot               Visualize provider risk distribution
vowr_profile            Profile National Health Service provider
                        performance
vowr_survival           Estimate time-to-breach survival model
vowr_survival_merge     Merge survival output with provider profile and
                        risk flags
vowr_workflow           Run complete Volatility-Oriented Waiting-time
                        Risk workflow
