Get task instances for quality checks.

Filters:

• is_deleted is null
• available: filtered by 'filter' param (if not specified, returns all records)

Ordering:

• Ordered by updated_at DESC

Pagination:

• limit: Number of items to return (default: 10, max: 100)
• skip: Number of items to skip (default: 0)

Search:

• search: Optional search string to filter by task_description (case-insensitive)

Filter:

• filter: Optional filter for task availability ("unavailable", "locked", "available"). If not provided, returns all records.

Returns:

• total: Total number of matching items
• limit: Limit used
• skip: Skip used
• items: Array of task instances with task_id, prolific_id, task_description, occupation_name