refactor: Make hw definitions modules with mkIf guards

hw/nix-lxc.nix

@@ -5,56 +5,72 @@
 # Disables boot/disk management and enables remote development support.
 
 {
+  config,
   lib,
-  modulesPath,
-  inputs,
   ...
 }:
+
+with lib;
+
+let
+  cfg = config.athenix.hw.nix-lxc;
+in
 {
-  imports = [
-    inputs.vscode-server.nixosModules.default
-    "${modulesPath}/virtualisation/proxmox-lxc.nix"
-  ];
+  options.athenix.hw.nix-lxc = mkOption {
+    type = types.submodule {
+      options = {
+        enable = mkOption {
+          type = types.bool;
+          default = false;
+          description = "Enable Proxmox LXC container hardware configuration.";
+        };
+      };
+    };
+    default = { };
+    description = "Proxmox LXC hardware type configuration.";
+  };
 
-  # ========== Nix Configuration ==========
-  nix.settings.trusted-users = [
-    "root"
-    "engr-ugaif"
-  ];
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
+  config = mkIf cfg.enable {
+    # ========== Nix Configuration ==========
+    nix.settings.trusted-users = [
+      "root"
+      "engr-ugaif"
+    ];
+    nix.settings.experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
 
-  # ========== Container-Specific Configuration ==========
-  boot.isContainer = true;
-  boot.loader.systemd-boot.enable = lib.mkForce false; # No bootloader in container
-  disko.enableConfig = lib.mkForce false; # No disk management in container
-  console.enable = true;
+    # ========== Container-Specific Configuration ==========
+    boot.isContainer = true;
+    boot.loader.systemd-boot.enable = lib.mkForce false; # No bootloader in container
+    disko.enableConfig = lib.mkForce false; # No disk management in container
+    console.enable = true;
 
-  # Allow getty to work in containers
-  systemd.services."getty@".unitConfig.ConditionPathExists = [
-    ""
-    "/dev/%I"
-  ];
+    # Allow getty to work in containers
+    systemd.services."getty@".unitConfig.ConditionPathExists = [
+      ""
+      "/dev/%I"
+    ];
 
-  # Suppress unnecessary systemd units for containers
-  systemd.suppressedSystemUnits = [
-    "dev-mqueue.mount"
-    "sys-kernel-debug.mount"
-    "sys-fs-fuse-connections.mount"
-  ];
+    # Suppress unnecessary systemd units for containers
+    systemd.suppressedSystemUnits = [
+      "dev-mqueue.mount"
+      "sys-kernel-debug.mount"
+      "sys-fs-fuse-connections.mount"
+    ];
 
-  # ========== Remote Development ==========
-  services.vscode-server.enable = true;
+    # ========== Remote Development ==========
+    services.vscode-server.enable = true;
 
-  # ========== System Configuration ==========
-  system.stateVersion = "25.11";
-  athenix.host.buildMethods = lib.mkDefault [
-    "lxc" # LXC container tarball
-    "proxmox" # Proxmox VMA archive
-  ];
+    # ========== System Configuration ==========
+    system.stateVersion = "25.11";
+    athenix.host.buildMethods = lib.mkDefault [
+      "lxc" # LXC container tarball
+      "proxmox" # Proxmox VMA archive
+    ];
 
-  athenix.sw.enable = lib.mkDefault true;
-  athenix.sw.headless.enable = lib.mkDefault true;
+    athenix.sw.enable = lib.mkDefault true;
+    athenix.sw.headless.enable = lib.mkDefault true;
+  };
 }