Stabilize Space: switch to simple Interface mode, single text output, share=True

Workaround Gradio schema crash: remove type hint, disable show_api and ssr

UX: add real-time status updates and queue for predict action

Make model loading lazy at first inference to avoid startup crashes/timeouts

Remove share=True for Spaces runtime

Fix startup/runtime: replace gr.JSON output, force share=True and server bind

Add Gradio demo app for aesthetic scoring