Break large coding tasks into milestones with validation gates and file-based state that survives context resets. Six commands cover the full lifecycle: plan the work, execute milestone-by-milestone, resume with fresh context after /clear, check progress, adjust the plan mid-flight, and run acceptance criteria. Built on Boyd's OODA loop — every milestone is an observe-orient-decide-act cycle, so the agent stays grounded in reality instead of drifting.