feat: add TorchSklearnWrapper import for model deserialization support

local_demo.py

@@ -48,6 +48,7 @@ except ModuleNotFoundError as exc:
 import numpy as np
 
 from app.training.extract_features_batch import extract_sample_features
+from app.training.train_deep_classifiers import TorchSklearnWrapper  # noqa: F401 — required for pickle deserialization of DL models
 
 BASE_DIR = Path(__file__).resolve().parent
 PROJECT_ROOT = BASE_DIR.parent