chore: add deployment configurations and tests for logger and dispatcher

src/Attributes/Async/HandlesMessage.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Siteworxpro\App\Attributes\Async;
+
+use Attribute;
+
+/**
+ * Attribute to mark a class as a handler for a specific message class in an async workflow.
+ *
+ * Repeatable: attach multiple times to handle multiple message classes.
+ */
+#[Attribute(Attribute::TARGET_CLASS | Attribute::IS_REPEATABLE)]
+readonly class HandlesMessage
+{
+    /**
+     * Create a new HandlesMessage attribute.
+     *
+     * @param class-string $messageClass Fully-qualified class name of the message handled.
+     */
+    public function __construct(
+        public string $messageClass,
+    ) {
+    }
+
+    /**
+     * Get the fully-qualified message class this handler processes.
+     *
+     * @return class-string
+     */
+    public function getMessageClass(): string
+    {
+        return $this->messageClass;
+    }
+}