updated chat history display

app.py

@@ -76,10 +76,17 @@ with gr.Blocks() as demo:
 
     def bot_response(message, history, chat_id):
         user_content = message["text"]
+        
+        # 1. Pass a CLEAN copy of the historical conversation *before* appending new turns
+        # This ensures core_logic gets a proper history trail without duplication.
+        clean_history_snapshot = list(history) 
+        
+        # 2. Now prepare the live local UI array for streaming feedback
         history.append({"role": "user", "content": user_content})
         history.append({"role": "assistant", "content": ""})
         
-        for partial_resp in chat_function(message, history[:-1]):
+        # 3. Run the generator using your clean background state snapshot
+        for partial_resp in chat_function(message, clean_history_snapshot):
             history[-1]["content"] = partial_resp
             yield history