before refactor the arch of configuration.

configuration.nix

@@ -12,6 +12,7 @@
 
 {
   # Bootloader.
+  boot.kernelPackages = pkgs.linuxPackages_zen;
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
@@ -33,6 +34,19 @@
     networkmanager.enable = false;
     useNetworkd = true;
     useDHCP = false;
+
+    wireless.iwd = {
+      enable = true;
+      settings = {
+        General = {
+          EnableNetworkConfiguration = true;
+        };
+        Network = {
+          EnableIPv6 = true;
+          NameResolvingService = "systemd";
+        };
+      };
+    };
   };
   systemd.network = {
     enable = true;
@@ -87,13 +101,17 @@
 
   # Enable the X11 windowing system.
   # You can disable this if you're only using the Wayland session.
-  services.xserver.enable = true;
+  services.xserver = {
+    display = 0;
+    enable = true;
+  };
 
   # Enable the KDE Plasma Desktop Environment.
   # services.displayManager.sddm.enable = true;
   # services.desktopManager.plasma6.enable = true;
   services.desktopManager.cosmic.enable = true;
   services.displayManager.cosmic-greeter.enable = true;
+  programs.niri.enable = true;
 
   # Configure keymap in X11
   services.xserver.xkb = {
@@ -142,7 +160,7 @@
   programs.localsend.enable = true;
 
   # Enable sound with pipewire.
-  hardware.pulseaudio.enable = false;
+  services.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {
     enable = true;
@@ -179,6 +197,7 @@
 
   # List packages installed in system profile. To search, run:
   environment.systemPackages = with pkgs; [
+    nix-output-monitor
     wget
     git
     vim
@@ -219,4 +238,5 @@
   ];
 
   system.stateVersion = "24.11"; # Did you read the comment?
+
 }