fix: niri - add support for xwayland

home/linux/gui/niri/default.nix

@@ -37,6 +37,10 @@ in
   config = lib.mkIf cfg.enable (
     lib.mkMerge [
       {
+        home.packages = with pkgs; [
+          xwayland-satellite
+        ];
+
         programs.niri.config = cfg.settings;
 
         # NOTE: this executable is used by greetd to start a wayland session when system boot up

home/linux/gui/niri/settings.nix

@@ -272,5 +272,11 @@ niri: {
           # (leaf "spring" { damping-ratio=0.6; stiffness=1000; epsilon=0.001; })
         ])
       ])
+
+      # xwayland
+      (leaf "spawn-at-startup" "xwayland-satellite")
+      (plain "environment" [
+        (leaf "DISPLAY" ":0")
+      ])
     ];
 }