Agent harness as code

topology dev-team : [pipeline, fan-out, debate] {
  orchestrator { model: opus, handles: [intake] }

  agent researcher { model: sonnet, tools: [Read, WebSearch] }
  agent writer     { model: sonnet, tools: [Read, Write] }
  agent reviewer   {
    model: opus
    outputs: { verdict: approve | revise }
  }

  group design-review {
    members: [architect, security-lead]
    speaker-selection: "round-robin"
    max-rounds: 3
  }

  gates {
    gate quality-check {
      after: reviewer
      run: "scripts/lint.sh"
      on-fail: halt
    }
  }

  flow {
    intake -> researcher -> writer -> reviewer
    reviewer -> writer [when verdict == revise, max 2]
    reviewer -> design-review [when verdict == approve]
  }
}