feat(nixos): integrate agent VM into host configurations

lib/mkHost.nix

@@ -1,4 +1,8 @@
-{ nixpkgs, home-manager, inputs }:
+{
+  nixpkgs,
+  home-manager,
+  inputs,
+}:
 {
   hostname,
   hostName ? hostname,
@@ -8,15 +12,18 @@
   username,
   extraModules ? [ ],
   extraSpecialArgs ? { },
+  homeModules ? [ ../home ],
+  homeStateVersion ? "25.05",
+  useSops ? true,
 }:
 nixpkgs.lib.nixosSystem {
   inherit system;
   specialArgs = {
     inherit inputs system username;
-  } // extraSpecialArgs;
+  }
+  // extraSpecialArgs;
 
   modules = [
-    inputs.sops-nix.nixosModules.sops
     ../hosts/${hostname}
     ../profiles/${profile}.nix
     {
@@ -31,11 +38,11 @@ nixpkgs.lib.nixosSystem {
         inherit inputs system;
       };
       home-manager.users.${username} = {
-        home.stateVersion = "25.05";
-        imports = [
-          ../home
-        ];
+        home.stateVersion = homeStateVersion;
+        imports = homeModules;
       };
     }
-  ] ++ extraModules;
+  ]
+  ++ nixpkgs.lib.optionals useSops [ inputs.sops-nix.nixosModules.sops ]
+  ++ extraModules;
 }