Add cosmic flake

config/homes/violet@liella.nix

@@ -1,8 +1,8 @@
 { pkgs, homeManagerConfig, ... }:
 let
-  pShizuku2x = pkgs.fetchurl {
-    url = "https://i.idol.st/u/card/art/2x/831UR-Osaka-Shizuku-That-s-So-Cute-Briar-Rose-nf1fKb.png";
-    sha512 = "sha512-Y04vU1Cw9l0otEQbB9G7XM2Dn8FI+nIlM8oubt3Y6yXGZH98smz+0qVtMzTV57iCuAqesDFYHtuWrZBHbIPsJw==";
+  f3Riko2x = pkgs.fetchurl {
+    url = "https://i.idol.st/u/card/art/2x/894UR-Sakurauchi-Riko-You-mentioned-you-liked-it-no-A-Fairy-Concert-l5NeuT.png";
+    hash = "sha512-frrj8k8ap8Rs8MIyk96TsAJWEG7mw0d477Axgv2ITJe1CsffpEhqP4zPx4jM9uLF3pSdDhMYIzxHmX8u4ztgEQ==";
   };
 in
 {
@@ -11,7 +11,7 @@ in
     homeManagerConfig.plasma
   ];
   services.syncthing.enable = true;
-  programs.plasma.workspace.wallpaper = "${pShizuku2x}";
-  programs.plasma.configFile.kdeglobals.General.AccentColor = "1,183,237";
+  programs.plasma.workspace.wallpaper = "${f3Riko2x}";
+  programs.plasma.configFile.kdeglobals.General.AccentColor = "255,158,172";
   home.stateVersion = "24.05";
 }

config/hosts/x86_64-linux/liella/default.nix

@@ -1,6 +1,7 @@
 {
   lib,
   modules,
+  pkgs,
   inputs,
   systemName,
   ...
@@ -20,9 +21,11 @@ in
     modules.nixos.desktop.plasma
     modules.nixos.net.networkd-wifi
     inputs.disko.nixosModules.default
+    modules.nixos.steam
     modules.disko.luks-btrfs
   ] ++ builtins.map (user: modules.nixos.users.${user}) users;
   home-manager.users = lib.genAttrs users (user: modules.homes."${user}@${systemName}");
+  boot.kernelPackages = pkgs.linuxPackages_latest;
   disko.devices.disk.root.device = "/dev/disk/by-path/pci-0000:6e:00.0-nvme-1";
   hardware.bluetooth.enable = true;
   system.stateVersion = "24.11";

flake.nix

@@ -34,6 +34,10 @@
       url = "github:numtide/treefmt-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nixos-cosmic = {
+      url = "github:lilyinstarlight/nixos-cosmic";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =