well you'll have to get a DD on board to do the work and zig isn't even in debian so that'd have to get there first and the person wanting the terminal probably doesn't want to maintain the programming language as well. So that probably means 2 DDs. Again, there is a non-normal distance here.
Perhaps if one was inclined, Nix can provide immediate resolution, since it can be installed and used on Debian and ghostty project provides convenient flake.
Granted I'm on NixOS, but took me grand total of 60 seconds to update config and 8 minutes of actually building on a slow machine.