fix: Remove Gradio v6 incompatible parameters (type='messages' from Chatbot, move theme/css to launch)

app.py

@@ -1068,8 +1068,6 @@ def create_interface():
     """Build the complete Gradio interface."""
 
     with gr.Blocks(
-        theme=gr.themes.Soft(),
-        css=CUSTOM_CSS,
         title="Codette v2.0",
     ) as demo:
 
@@ -1106,7 +1104,6 @@ def create_interface():
                     with gr.Column(scale=3):
                         chatbot = gr.Chatbot(
                             height=500,
-                            type="messages",
                             label="Codette Reasoning",
                             show_label=False,
                         )
@@ -1265,4 +1262,4 @@ Created by **Jonathan Harrison** to explore recursive reasoning, multi-perspecti
 
 if __name__ == "__main__":
     demo = create_interface()
-    demo.launch()
+    demo.launch(theme=gr.themes.Soft(), css=CUSTOM_CSS)