Update app.py

app.py

@@ -317,7 +317,6 @@ def create_ui() -> gr.Blocks:
                 gr.Markdown("### 💬 Intelligent Repository Discovery")
                 
                 chatbot = gr.Chatbot(
-                    value=[{"role": "assistant", "content": CHATBOT_INITIAL_MESSAGE}],
                     label="🤖 AI Assistant",
                     height=450,
                     type="messages",
@@ -417,6 +416,10 @@ def create_ui() -> gr.Blocks:
 
         def handle_user_message(user_message: str, history: List[Dict[str, str]]) -> Tuple[List[Dict[str, str]], str]:
             """Appends the user's message to the history, preparing for the bot's response."""
+            # Initialize chatbot with welcome message if empty
+            if not history:
+                history = [{"role": "assistant", "content": CHATBOT_INITIAL_MESSAGE}]
+            
             if user_message:
                 history.append({"role": "user", "content": user_message})
             return history, ""
@@ -465,6 +468,12 @@ def create_ui() -> gr.Blocks:
 
         # --- Component Event Wiring ---
         
+        # Initialize chatbot with welcome message on app load
+        app.load(
+            fn=lambda: [{"role": "assistant", "content": CHATBOT_INITIAL_MESSAGE}],
+            outputs=[chatbot]
+        )
+        
         # Input Tab
         submit_repo_btn.click(
             fn=handle_repo_id_submission,