Update app.py

app.py

@@ -24,7 +24,7 @@ DEFAULT_CONFIG = {
     'max_tokens': 750,
     'model': 'qwen/qwen3-30b-a3b-instruct-2507',
     'api_key_var': 'API_KEY',
-    'theme': 'Base',
+    'theme': 'Default',
     'grounding_urls': ["https://en.wikipedia.org/wiki/List_of_experiments", "https://en.wikipedia.org/wiki/Scientific_method"],
     'enable_dynamic_urls': True,
     'enable_file_upload': True,
@@ -627,6 +627,38 @@ def create_interface():
                     )
                     
                     # Examples section
+                    if examples:
+                        gr.Examples(examples=examples, inputs=msg)
+                    
+                    # Chat functionality
+                    def respond(message, chat_history, files_state, is_granted):
+                        if not is_granted:
+                            return chat_history, "", is_granted
+                        
+                        if not message:
+                            return chat_history, "", is_granted
+                        
+                        # Format history for the generate_response function
+                        formatted_history = []
+                        for h in chat_history:
+                            if isinstance(h, dict):
+                                formatted_history.append(h)
+                        
+                        # Get response
+                        response = generate_response(message, formatted_history, files_state)
+                        
+                        # Update chat history
+                        chat_history = chat_history + [
+                            {"role": "user", "content": message},
+                            {"role": "assistant", "content": response}
+                        ]
+                        
+                        # Update stored history for export
+                        global chat_history_store
+                        chat_history_store = chat_history
+                        
+                        return chat_history, "", is_granted
+                    
                     # Wire up the interface
                     msg.submit(respond, [msg, chatbot, uploaded_files, access_granted], [chatbot, msg, access_granted])
                     submit_btn.click(respond, [msg, chatbot, uploaded_files, access_granted], [chatbot, msg, access_granted])