a

modules/default/apps.nix

@@ -14,10 +14,13 @@
     ../../packages/virtualbox/default.nix
   ];
 
-  systemd.packages = with pkgs; [
-    lact
-  ];
-  systemd.services = {
-    lact.wantedBy = ["multi-user.target"];
+  systemd.services.lact = {
+    description = "AMDGPU Control Daemon";
+    after = ["multi-user.target"];
+    wantedBy = ["multi-user.target"];
+    serviceConfig = {
+      ExecStart = "${pkgs.lact}/bin/lact daemon";
+    };
+    enable = true;
   };
 }

modules/default/login.nix

@@ -3,7 +3,7 @@
   myConfig,
   ...
 }: {
-  greetd = {
+  services.greetd = {
     enable = true;
     settings.default_session = {
       user = lib.mkOverride 10 "${myConfig.essentials.Username}";