In Disciplined Agile (DA), theTeam Lead(often equivalent to the Scrum Master role in Scrum) is primarily responsible for ensuring that the team adheres to the agreed-upon practices andbuilds the product correctly.
This involves facilitating the team's processes, coaching team members on agile practices, and helping them remove impediments. The Team Lead is responsible for guiding the team in following the chosen way of working (WoW) and ensuring that the team's processes are efficient, effective, and continuously improving.
Therefore, the primary focus is on ensuring that the product is built correctly according to the standards and requirements agreed upon by the team.