Fix /var/lib/domains ownership and WordPress ADMIN_EMAIL generation

Agent-Logs-Url: https://github.com/naturallaw777/staging_alpha/sessions/755b414e-9b63-448b-a57c-41d0ca45b5eb

Co-authored-by: naturallaw777 <99053422+naturallaw777@users.noreply.github.com>

modules/core/caddy.nix

@@ -11,6 +11,10 @@ in
     group = "root";
   };
 
+  systemd.tmpfiles.rules = [
+    "d /var/lib/domains 0755 caddy root -"
+  ];
+
   # Override ExecStart + ExecReload to point at the runtime-generated Caddyfile
   systemd.services.caddy.serviceConfig = {
     ExecStart = lib.mkForce [

modules/wordpress.nix

@@ -73,7 +73,11 @@ lib.mkIf config.sovran_systemsOS.services.wordpress {
       DB_HOST="localhost"
       ADMIN_USER=$(pwgen -s 16 1)
       ADMIN_PASS=$(pwgen -s 24 1)
-      ADMIN_EMAIL="$ADMIN_USER@''${DOMAIN#*.}"
+      EMAIL_DOMAIN="''${DOMAIN#*.}"
+      if ! echo "$EMAIL_DOMAIN" | grep -q '\.'; then
+        EMAIL_DOMAIN="$DOMAIN"
+      fi
+      ADMIN_EMAIL="$ADMIN_USER@$EMAIL_DOMAIN"
 
       echo "══════════════════════════════════════════════"
       echo "  WordPress Automated Installation"