I don’t know all that much about jellyfins runtime on android in general, but if it depends on dotnet could you try running dotnet —info

If that returns nothing or outdated packages, you could probably install or update them with something along the lines of:

pkg update

apt install --reinstall \ dotnet-hostfxr-9.0 \ dotnet-runtime-9.0 \ aspnetcore-runtime-9.0 \ dotnet-host

Simply Static is currently the most actively maintained solution, as a plugin for wp:
https://docs.simplystatic.com/category/6-user-guides

There is also WP2Static, which is a very long standing project: https://github.com/elementor/wp2static

Friendly reminder to anyone who cares enough that you can still use WordPress to make your site with all your fancy plugins and layouts, and then export that to a static site for hosting. No need to actually host Wordpress itself that way you avoid nearly all of this BS.