- Introduced `paths.py` for handling model directory resolution and registration.
- Created `catalog.py` to manage model metadata and stem extraction.
- Implemented `routes.py` for handling audio uploads and model retrieval via HTTP.
- Added utility functions in `audio.py` for audio conversion, loading, and saving.
- Developed ensemble functions in `ensemble.py` for combining audio inputs.
- Enhanced web interface with new JavaScript files for audio loading, separation, and ensemble node management.
- Defined constants for audio types and node configurations in `constants.js`.
- Improved user experience with dynamic input/output management in audio processing nodes.