Multi-step flow with data flowing between steps

Primitives used: persona · flow · step

// Chained reasoning: step 2 consumes step 1's output.
// The compiler verifies the output types align across the chain.

persona Analyst {
    domain: ["analysis", "synthesis"]
    tone: analytical
    confidence_threshold: 0.8
    cite_sources: true
}

type Document { content: String }
type Outline  { sections: String }
type Summary  { text: String }

flow Summarise(doc: Document) -> Summary {
    step Decompose {
        given: doc
        ask: "Break the document into a sectioned outline."
        output: Outline
    }
    step Refine {
        given: Decompose.output
        ask: "Compose a tight summary from the outline."
        output: Summary
    }
    return Refine.output
}