digraph Example {
    graph [
        model_stylesheet="
            *        { model: claude-haiku-4-5; }
            .coding  { model: claude-sonnet-4-5; reasoning_effort: high; }
            #review  { model: gemini-3.1-pro-preview; }
        "
    ]

    start [shape=Mdiamond]
    spec     [label="Write Spec"]
    implement [label="Implement", class="coding"]
    review   [label="Review"]
    exit [shape=Msquare]

    start -> spec -> implement -> review -> exit
}