"loocv_cindex with a trivial fit_fn runs and returns a valid C-index"
"single-model registry entries fit and predict on lung"
"model variants expand algorithm grids enough for >100 two-model combinations"
"evaluate_algorithm_loocv('lasso_cox') on lung: finite C-index"
"lasso_cox LOOCV C-index was %s, errors: %d (%s)"
"lasso_cox LOOCV C-index = %.3f (<0.5 suggests sign flip)"
"fit_surv_ensemble builds a weighted single-model ensemble"
"Explainability and Clinical Utility Outputs"
"fit_surv_ensemble auto-uses automlr_input cohorts for stability"
"evaluate_surv_combinations ranks all-subset risk combinations"
"survival automatic C-index threshold uses requested quantile"
"risk standardization preserves ordering with extreme outliers"
"evaluate_surv_combinations can report queue stability diagnostics"
"evaluate_surv_combinations excludes same-base variants by default"
"fit_surv_ensemble can choose the best subset strategy"
"extreme_surv_screen runs apparent top-N and seed search"

extreme_surv_screen runs apparent top-N and seed search