Cannot have a tty console working properly

This is my console configuration for console on my system:

  console = {
    keyMap = "fr-latin9";
    font = "eurlatgr";
  };

compared to other distributions, console support on nixos is really very poor. It’s impossible to have certain unicode characters like € (whereas it’s possible on Debian and Arch). If that were all, that would be fine, but it’s also impossible to use the Ctrl key. Also, to exit the terminal, you need to use the exit command.

it’s really too bad, especially since the other parts of Nixos are really very good.

I didn’t find any way to have a standard behavior. Maybe I missed something but I didn’t find anything in the configuration for this things (which are relatively standard on other distros).

Any idea ?