going back to basics

app.py

@@ -81,6 +81,7 @@ Retain memory of previous user messages to support follow-up interactions.
 
 st.title("🩺 DocChatter RAG (Streaming & Memory)")
 
+
 # Initialize chat history
 if 'chat_history' not in st.session_state:
     st.session_state.chat_history = []  # list of dicts {role, content}