feat: persist travel snapshots and refresh extended availability

src/BusProNet/Model/CrmAttributes.php

@@ -12,8 +12,23 @@ namespace App\BusProNet\Model;
  */
 class CrmAttributes
 {
+    /**
+     * @var array<int, CrmSelectionGroup>|null
+     */
     public ?array $selectionGroups = null;
+
+    /**
+     * @var array<int, CrmAction>|null
+     */
     public ?array $crmActions = null;
+
+    /**
+     * @var array<int, string>
+     */
     public array $hotelCodes = [];
+
+    /**
+     * @var array<int, string>
+     */
     public array $roles = [];
 }