fixed other CNN references

NN/models/cnn_model_pytorch.py

@@ -431,11 +431,11 @@ class EnhancedCNNModel(nn.Module):
             return {
                 'action': action,
                 'action_name': 'BUY' if action == 0 else 'SELL',
-                'confidence': float(confidence),
+                'confidence': confidence,  # Already converted to float above
                 'action_confidence': action_confidence,
                 'probabilities': probs.tolist(),
                 'regime_probabilities': regime.tolist(),
-                'volatility_prediction': float(volatility),
+                'volatility_prediction': volatility,  # Already converted to float above
                 'raw_logits': outputs['logits'].cpu().numpy()[0].tolist()
             }