fix: downgrade sdk_version 1.44.0→1.40.0 — HF health check compatibility

fix: move streamlit_app.py to root; fix sys.path for new location

fix: use app.py as Streamlit entry point (HF default)

fix: add root streamlit_app.py entry point; HF was running default demo

deploy: Streamlit Space setup + button-triggered training

Fix gradio/huggingface_hub version conflict on Python 3.13

Upgrade to gradio 5 for Python 3.13 compatibility

Add HF Space configuration to README

SpindleFlow RL — periodic push + log persistence