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app/routers/prediction.py

@@ -117,11 +117,13 @@ async def predict_batch(
         # Make batch predictions
         predictions = ml_service.predict_batch(comments)
         
+        final_product_name = product_name if product_name else "Unknown Product"
+
         # Save to history
         for pred in predictions:
             history = PredictionHistory(
                 user_id=current_user.id,
-                product_name=product_name,
+                product_name=final_product_name,
                 comment=pred['text'],
                 predicted_rating=pred['rating'],
                 confidence_score=pred['confidence'],