debug: add load handler logging + auth_message removed

fix: also patch _json_schema_to_python_type for boolean schema crash

fix: patch gradio_client get_type crash on boolean additionalProperties

fix: disable API docs to prevent gradio_client schema crash

fix: pin gradio_client and apply url_ok hack for HF Spaces

fix: update app.py entry point for HF Spaces deployment

feat: login system, admin settings in Supabase, auth simplification