feat: implement global autoresponder plugin

exec/lib/LocalizedException.php

@@ -0,0 +1,22 @@
+<?php
+declare(strict_types=1);
+
+final class LocalizedException extends RuntimeException
+{
+    /** @param array<string,string|int|float> $vars */
+    public function __construct(private string $key, private array $vars = [])
+    {
+        parent::__construct($key);
+    }
+
+    public function key(): string
+    {
+        return $this->key;
+    }
+
+    /** @return array<string,string|int|float> */
+    public function vars(): array
+    {
+        return $this->vars;
+    }
+}