Reverted the deletion of log_user_interaction()

app.py

@@ -277,6 +277,7 @@ def bot(
         yield _clean_history_for_display(history)
 
     assistant_message = history[-1]["content"]
+    logger.log_interaction(user=user_message_text, answer=assistant_message)
 
 
 # --- drop-in UI compatible with older Gradio versions ---