I just overuse parantheses instead, as you noted. You know you’re rambling when you have several layers of them, like I’m writing a conversation in Lisp.

Having a web UI is useful even if you’re not using the extra tools. Not mandatory of course, but nice.

mpv supports Dolby vision (along with the Jellyfin clients that depend on it), but if you mean with streaming services, that’s unlikely to happen due to DRM.