Returns a list of checklist items available to the authenticated user in the app. This endpoint requires JWT authentication.

The response includes:

• Checklist items from the user's organization
• Global checklist items (not associated with any organization)

Filtering options:

• label: Filter by the checklist item's label
• folder: Filter by folder hashid (only returns items linked to that folder)
• search: Search by checklist item name (case-insensitive partial match)

Response fields:

• id: The hashid of the checklist item
• name: The external name of the checklist item
• description: The external description of the checklist item
• label: The label for categorizing the checklist item
• links: Array of folder links associated with this checklist item