Refactor helper drift in lib: centralize theme/translation and remove app() hotspots

lib/Service/I18n/ServiceTranslator.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace MintyPHP\Service\I18n;
+
+final class ServiceTranslator
+{
+    public static function translate(string $text, mixed ...$args): string
+    {
+        if (function_exists('t')) {
+            return t($text, ...$args);
+        }
+
+        if ($args === []) {
+            return $text;
+        }
+
+        return vsprintf($text, array_map(static fn (mixed $arg): string => (string) $arg, $args));
+    }
+}