fix: --watch plugin access to original arguments

src/Contracts/Plugins/HandlesOriginalArguments.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Contracts\Plugins;
+
+/**
+ * @internal
+ */
+interface HandlesOriginalArguments
+{
+    /**
+     * Adds original arguments before the Test Suite execution.
+     *
+     * @param  array<int, string>  $arguments
+     */
+    public function handleOriginalArguments(array $arguments): void;
+}