Get agent history with pagination
Get the history of an agent.Query Parameters:
page (int): Page number for pagination (default: 1)
items_per_page (int): Number of items per page (default: 10)
verbosity (str): Response detail level. 'low' returns lightweight items (history_id, history_date, modified_by)
similar to revision-history; 'high' returns full history records (default: high).