wip: booking process

src/BusProNet/Model/CrmSelection.php

@@ -1,9 +1,18 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App\BusProNet\Model;
 
 use Symfony\Component\Serializer\Attribute\Groups;
 
+/**
+ * Represents a CRM selection with configuration and state information.
+ *
+ * This class handles CRM selection data including identification, labeling,
+ * mutability status, and selection state. It provides serialization groups
+ * for API responses.
+ */
 class CrmSelection
 {
     #[Groups(['api:single'])]