Your question is Plan a Phased Operations Rollout. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You've been asked to introduce a new operational initiative that will change how frontline teams work. Rather than switching everyone at once, you want to roll it out in phases so you can learn, reduce disruption, and avoid scaling problems before the process is stable.
How would you plan for a phased rollout of a new operational initiative?