Using the most recent organizational chart for [CompanyName], update the employee directory by cross-referencing the roles and departments of all staff members. Identify employees whose roles have changed, who have moved to a different department, or whose department names have changed, and make the necessary updates to the directory. Ensure that all changes are accurately reflected and provide a brief summary report indicating the total number of updates made and the affected departments. Format the final directory with proper sorting by department and role.