feat: refactor attachment storage to use helpers

api/src/utils/test/fixtures/setting.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -13,6 +13,13 @@ import { SettingModel } from '@/setting/schemas/setting.schema';
 import { SettingType } from '@/setting/schemas/types';
 
 export const settingFixtures: SettingCreateDto[] = [
+  {
+    group: 'chatbot_settings',
+    label: 'default_storage_helper',
+    value: 'local-storage-helper',
+    type: SettingType.text,
+    weight: 1,
+  },
   {
     group: 'contact',
     label: 'contact_email_recipient',