refactor: compose hosts and home-manager features explicitly

modules/features/services/deluge.nix

@@ -1,5 +1,5 @@
 {
-  flake.modules.nixos."deluge-service" =
+  flake.modules.nixos.deluge-service =
     { ... }:
     {
       sops.secrets.deluge-auth-file = { };
@@ -10,7 +10,7 @@
       };
     };
 
-  flake.modules.homeManager."deluge-client" =
+  flake.modules.homeManager.deluge-client =
     { pkgs, ... }:
     {
       home.packages = [ pkgs.deluge ];

modules/features/services/openssh.nix

@@ -1,6 +1,6 @@
 { ... }:
 {
-  flake.modules.nixos."ssh-agent-auth" = {
+  flake.modules.nixos.ssh-agent-auth = {
     security.pam = {
       sshAgentAuth.enable = true;
       services.sudo.sshAgentAuth = true;
@@ -12,18 +12,15 @@
       config,
       ...
     }:
-    let
-      isServer = config.meta.host.kind == "server";
-      hostUserNames = builtins.attrNames config.meta.host.users;
-    in
     {
+      services.openssh.openFirewall = true;
+
       services.openssh = {
         enable = true;
-        openFirewall = isServer;
         settings = {
           PermitRootLogin = "no";
           PasswordAuthentication = false;
-          AllowUsers = hostUserNames;
+          AllowUsers = builtins.attrNames config.meta.host.users;
         };
       };
     };