fix(hf): switch to sdk:docker — bypasses Gradio startup event conflicts, runs uvicorn directly

fix(hf): mount Gradio at root path so HF /startup-events health check passes

fix(hf): add uvicorn.run() to block process and keep HF Space container alive

fix(hf): remove demo.launch() and export app for HF uvicorn auto-detection, fix unhashable dict crash

fix(hf): call demo.launch() to keep HF Space container alive with FastAPI routes mounted

fix(hf): use gr.mount_gradio_app to pass HF supervisor health check and maintain persistent container loop

fix(hf): use persistent asyncio uvicorn server runner in app.py

fix(hf): remove gradio import and pin huggingface-hub<0.24.0 to resolve HfFolder ImportError

feat(hf): serve custom React frontend on root and FastAPI API on /api/v1 (hide Gradio UI)

fix(hf): use app:app string import in uvicorn.run for persistent HF server loop

feat(hf): unify React Frontend and FastAPI AI Backend in app.py for single HF Space deployment

feat(hf): add app.py Gradio entrypoint and requirements.txt for Hugging Face Spaces backend deployment