Update app.py

app.py

@@ -76,6 +76,15 @@ if load_model_button:
                 st.session_state["tokenizer"] = tokenizer
                 st.session_state["qa_pipeline"] = qa_pipe
 
+            # ---------------------------
+            # Add a welcome message only once, if conversation is empty
+            # ---------------------------
+            if len(st.session_state["conversation"]) == 0:
+                st.session_state["conversation"].append({
+                    "role": "assistant",
+                    "content": "Hello! I’m your assistant. How can I help you today?"
+                })
+
             st.success("Model loaded successfully and ready!")
         except Exception as e:
             st.error(f"Error loading model: {e}")
@@ -93,8 +102,7 @@ if clear_conversation_button:
     st.success("Conversation cleared.")
 
 # ----- Title -----
-st.title("Chat Conversation UI")
-
+st.title("ChatBot")
 
 user_input = None  # We'll collect it below