feat: update callisto reference system

flake.nix

@@ -133,9 +133,13 @@
               ./reference/hosts/demeter
             ];
           };
-          callisto = buildLiminalOS {
-            inherit nixpkgs inputs;
-            systemModule = ./reference/hosts/callisto;
+          callisto = nixpkgs.lib.nixosSystem {
+            specialArgs = {
+              inherit inputs self;
+            };
+            modules = [
+              ./reference/hosts/callisto
+            ];
           };
           adrastea = buildLiminalOS {
             inherit inputs nixpkgs;

reference/hosts/callisto/configuration.nix

@@ -14,7 +14,16 @@
 
   liminalOS = {
     flakeLocation = "/home/youwen/.config/liminalOS";
+    config.allowUnfree = false;
+    defaultEditor = inputs.viminal.packages.${pkgs.system}.default;
     formFactor = "laptop";
+    theming = {
+      wallpaper = "${inputs.wallpapers}/aesthetic/afterglow_city_skyline_at_night.png";
+      # if you don't manually set polarity when using manual colorscheme, GTK
+      # apps won't respect colorscheme
+      base16Scheme = "${pkgs.base16-schemes}/share/themes/rose-pine.yaml";
+      polarity = "dark";
+    };
     system = {
       networking = {
         firewallPresets.vite = true;
@@ -23,6 +32,13 @@
     };
   };
 
+  users.users.youwen = {
+    isNormalUser = true;
+    description = "Youwen Wu";
+    extraGroups = [ "wheel" ];
+    shell = pkgs.fish;
+  };
+
   boot = {
     loader.systemd-boot.enable = true;
     loader.efi.canTouchEfiVariables = false;
@@ -43,13 +59,6 @@
     inputs.vesktop-bin.overlays.default
   ];
 
-  users.users.youwen = {
-    isNormalUser = true;
-    description = "Youwen Wu";
-    extraGroups = [ "wheel" ];
-    shell = pkgs.fish;
-  };
-
   nix.settings = {
     trusted-users = [
       "youwen"

reference/hosts/callisto/default.nix

@@ -1,14 +1,13 @@
 {
+  self,
   inputs,
-  system,
   ...
 }:
 {
   imports =
     [
       ./configuration.nix
-      ../../../modules/linux
-      ../../../overlays
+      self.nixosModules.liminalOS
       {
         home-manager.users.youwen = {
           imports = [ ./home.nix ];