“Make sure that the plan can be broken down into small parts that can each be verified independently. And my personal way of knowing what is a good size would I want to review that the PR that will correspond to that part?”

Figma engineers may spend a week on a detailed plan, aligned with other teams, before handing it to agents. Each phase has its own validation gate so later phases don’t build on unchecked assumptions. One plan came back as about 20 PRs of 10 to 100 lines each. Quoted from YouTube’s auto-generated captions.