feat: add additional imports for model evaluation and cross-validation

app/training/generate_figures.py

@@ -32,6 +32,8 @@ from sklearn.metrics import (
     precision_recall_curve, average_precision_score,
 )
 from sklearn.calibration import calibration_curve
+from sklearn.model_selection import StratifiedKFold, cross_val_predict
+from sklearn.base import clone
 
 # ── Paths ────────────────────────────────────────────────────────────────
 BACKEND = Path(__file__).resolve().parents[2]