A focused 2-day sprint that turns an ambitious idea into a scoped, costed, build-ready plan — so engineering doesn't burn six months figuring out the wrong thing.
Problem statement, target user, success metrics, constraints, non-goals.
User journeys, feature inventory, jobs-to-be-done, risk register.
Solution sketching, architecture options, build vs. buy decisions.
MVP cut, sequenced roadmap, timeline, fixed-price build estimate.