niri

modules/applications/niri/nixos.nix

@@ -1,7 +1,11 @@
-{ pkgs, ... }:
+{ config, pkgs, ... }:
 {
   programs.niri.enable = true;
 
+  # niri-flake supplies the compositor package but does not register its
+  # user units with NixOS. Without this, Ly cannot start niri-session.
+  systemd.packages = [ config.programs.niri.package ];
+
   environment.systemPackages = with pkgs; [
     wdisplays # Wayland display configuration GUI
     wlr-randr # Wayland output management CLI