you could also look at the error message you get when you start the bluetooth applet from the terminal (should be something like blueman-manager ) (if not just check TAB-completions for blue)
there are none that allow you to change everything from one location, there are however quite a few to manage/switch between them wiki.archlinux.org/title/Dotfil... (non exhaustive list) i have heard some good things about yadm