Get task groups for quality checks.

Task Grouping:

• Task IDs are formatted as xxx-1, xxx-2, xxx-y
• Tasks are grouped by prefix (xxx - the part before the last dash)

Filters (applied to individual task instances):

• is_deleted is null

Status Filter (applied to task groups based on unavailable task instances):

• completed: Groups with >= 2 unavailable task instances
• in_progress: Groups with exactly 1 unavailable task instance
• pending: Groups with 0 unavailable task instances
• Not provided: All groups

Ordering:

• Ordered by updated_at DESC and task_id

Pagination:

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

Search:

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

Returns:

• total: Total number of task groups
• limit: Limit used
• skip: Skip used
• items: Array of task groups with task_group_id, task_description, occupation_name, unavailable_instance_count (number of unavailable task instances), instances