What the parent posted is stating is that the local web server has that system-level access, which the browser doesn't need in order to access the app. The "ba

What the parent posted is stating is that the local web server has that system-level access, which the browser doesn't need in order to access the app. The "back end" web server can be running on whatever language stack you like, be it Go, Rust, Haskell, Common Lisp or whatever. Syncthing is one example, where it's nominally headless, but there is a local web server that can be pulled up to set preferences, monitor status and so on. Works great.