Signal – online MIDI editor, open source

Previously:

Show HN: Fully Open-Sourced Online MIDI Editor - https://news.ycombinator.com/item?id=24599679 - Sept 2020 (19 comments)

Signal: Online MIDI Editor - https://news.ycombinator.com/item?id=41987352 - Nov 2024 (24 comments)

Amazing work. Is it only deployable as a full-stack app or can it be used as a component in other projects?