@xoron Excellent! Then I would say that yes, If someone is running their own server of it, it would be self-hosted—and that's separate from the fact that the server is (ahem) serving a local-first app (and I am a big fan of local-first apps!)
As an aside, if you ever revisit making a build-less version available, if your zip file is under 2 GB you can upload it as a "release," separate from your repo: https://docs.github.com/en/repositories/releasing-projects-on-github/managing-releases-in-a-repository