Fix: add api_name=generate to click handler for Gradio 5 API

app.py

@@ -687,6 +687,7 @@ with gr.Blocks(
         fn=generate_3d_model,
         inputs=[input_images, text_prompt, num_faces, export_format, enable_modular],
         outputs=[model_preview, download_file, status_output],
+        api_name="generate",
     )