update: fixed issues and update flake inputs

home/user/shells/caelestia.nix

@@ -0,0 +1,71 @@
+{
+  pkgs,
+  lib,
+  osConfig,
+  config,
+  ...
+}:
+let
+  inherit (lib) mkForce hasAttr;
+  prefix = if osConfig.hardware.nvidia.prime.offload.enableOffloadCmd then "nvidia-offload " else "";
+  terminal = "${prefix}ghostty";
+  explorer = "nautilus";
+in
+{
+  # ==== Disabled Services ==== #
+  services.swww.enable = mkForce false;
+  programs.waybar.enable = mkForce false;
+  services.swaync.enable = mkForce false;
+
+  home.packages = with pkgs; [
+    nerd-fonts.jetbrains-mono
+  ];
+
+  fonts.fontconfig.enable = true;
+
+  # programs.niri.settings = with config.lib.niri.actions; {
+  #   binds = {
+  #     "Alt+Space".action = mkForce (spawn "caelestia" "shell" "drawers" "toggle" "launcher");
+  #   };
+  # };
+
+  programs.caelestia = {
+    enable = true;
+    systemd.environment = [
+      "QT_QPA_PLATFORMTHEME=gtk3"
+    ];
+    settings = {
+      paths.wallpaperDir = "~/Pictures/Wallpapers";
+      general.apps = {
+        terminal = [ terminal ];
+        explorer = [ explorer ];
+      };
+      visualiser.enabled = true;
+      osd.hideDelay = 1500;
+      utilities.vpn = {
+        enabled = hasAttr "wg-quick-wg0" osConfig.systemd.services;
+        provider = [
+          {
+            name = "wireguard";
+            interface = "wg0";
+            displayName = "Wireguard (DN)";
+          }
+        ];
+      };
+    };
+    cli = {
+      enable = true;
+      settings = {
+      };
+    };
+  };
+
+  gtk = {
+    enable = true;
+    iconTheme = mkForce {
+      name = "Papirus-Dark";
+      package = pkgs.papirus-icon-theme;
+    };
+  };
+
+}