This didn't used to be. I had the installer put xfce4 in for a gui, same as the stretch install on the 2T drive that killed itself, and tde installed and ran nicely alongside of xfce4 on stretch.
Now there are only 6 trinity packages that will install without triggering a broken
Hi, Gene!
I've been trying to mind my own business, because it sounds like you're doing a command-line installation without any window manager ... or at least until you get a working window manager.
I don't know bullseye, but on buster/beowulf, xfce works pretty well, and I install that, then use that desktop to install the Trinity stuff, then uninstall xfce. Also, MATE works pretty well, so you might try that, but I myself went from MATE to xfce.
Felix had it down to a system, how to install Trinity using only a shell. I recall asking him to post his method to the list, so it ought to be up there to serve as a guide.
If this is some new development with bullseye and later, then I will be running into that same problem ... sooner or later.
:-\
Bill