- Add data/*.csv and data/metadata/ to repo
- Update .gitignore to allow metadata files while ignoring model files
- Update Dockerfile to copy metadata files into image
- Update download_metadata() to use local files if available
- Falls back to HuggingFace download if local files not found
- Reduces startup time by ~2 seconds (no network call needed)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>