digraph PlanImplement {
    graph [goal="Plan, approve, implement, and simplify a change"]
    rankdir=LR

    start [shape=Mdiamond, label="Start"]
    exit  [shape=Msquare, label="Exit"]

    plan      [label="Plan", prompt="Analyze the goal and codebase. Write a clear, step-by-step implementation plan to a Markdown file called plan.md. Include what files will change and why.", reasoning_effort="high"]
    approve   [shape=hexagon, label="Approve Plan"]
    implement [label="Implement", prompt="Read plan.md and implement every step. Make all the code changes described in the plan."]
    simplify  [label="Simplify", prompt="@prompts/simplify.md"]

    start -> plan -> approve
    approve -> implement [label="[A] Approve"]
    approve -> plan      [label="[R] Revise"]
    implement -> simplify -> exit
}