feat: move to single-user config

modules/hosts/orion/default.nix

@@ -5,17 +5,11 @@
 }:
 let
   nixosModules = config.flake.modules.nixos;
-  accounts = config.repo.accounts;
+  account = config.repo.account;
 in
 {
   repo.machines.orion = {
-    buildFunction = config.repo.helpers.mkHost;
-    module = nixosModules.orion;
-
-    users.kiri = {
-      account = accounts.kiri;
-      syncthingId = "NNRNQKZ-OWPHSVA-B6KKBHE-SDYLSTV-7SVHGPR-NEWLKPL-4MWNJG4-G5FHUAI";
-    };
+    syncthingId = "NNRNQKZ-OWPHSVA-B6KKBHE-SDYLSTV-7SVHGPR-NEWLKPL-4MWNJG4-G5FHUAI";
 
     stateVersion = "24.05";
     hmStateVersion = "24.05";
@@ -25,6 +19,8 @@ in
     { ... }:
     {
       imports = [
+        nixosModules.host-base
+
         nixosModules.sops-host-ssh-key
         nixosModules.openssh
         nixosModules.caddy
@@ -38,7 +34,7 @@ in
         ./_disk.nix
       ];
 
-      users.users.kiri = {
+      users.users.${account.name} = {
         linger = true;
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAU2LydkXRTtNFY7oyX8JQURwXLVhB71DeK8XzrXeFX1 openpgp:0xA490D93A"