big refactoring

configurations/wsl.nix

@@ -1,44 +1,39 @@
+# Host: "wsl" (device: wsl)
+#
+# The host record lives in configurations/default.nix; this file is only the
+# module body. `xlib` (identity, dirs, helpers) arrives as a module argument.
 {
-  deviceType = "wsl";
-  hostname = "wsl";
-  modules = [
-    (
-      {
-        config,
-        lib,
-        pkgs,
-        modulesPath,
-        xlib,
-        inputs,
-        ...
-      }:
-      {
-        imports = [
-          inputs.nixos-wsl.nixosModules.default
-          inputs.self.nixosModules.default
-        ];
-
-        hardware = {
-          graphics.enable = true;
-        };
-
-        networking = {
-          firewall = {
-            enable = false;
-            allowPing = true;
-          };
-          enableIPv6 = true;
-        };
-
-        wsl = {
-          enable = true;
-          startMenuLaunchers = true;
-          useWindowsDriver = true;
-          defaultUser = config.xlib.device.username;
-        };
-
-        system.stateVersion = "24.11";
-      }
-    )
+  lib,
+  modulesPath,
+  pkgs,
+  xlib,
+  inputs,
+  ...
+}:
+{
+  imports = [
+    inputs.nixos-wsl.nixosModules.default
+    inputs.self.nixosModules.default
   ];
+
+  hardware = {
+    graphics.enable = true;
+  };
+
+  networking = {
+    firewall = {
+      enable = false;
+      allowPing = true;
+    };
+    enableIPv6 = true;
+  };
+
+  wsl = {
+    enable = true;
+    startMenuLaunchers = true;
+    useWindowsDriver = true;
+    defaultUser = xlib.device.username;
+  };
+
+  system.stateVersion = "24.11";
 }