fix: route all HF token usage through session.hf_token from OAuth

feat: use hf_agent tool descriptions, hardware flavors, and default env

feat: merge HF Space improvements

rewording

v3 prompt and tool desc rework

added whooooshing to api spec

file refactor, still works

pre simple impl

whoosh impl for docs search

integrated hf skills into the prompts

removing extra prints

main agent search has better vibes