skills:
  add:
    timeout: 600
    env:
      - A: ${A:-2}
      - B: ${B:-3}
    result: tmp/add_{name}_result.json
    invocations:
      opencode-gpt-5.4-mini-fast:
        harness: opencode
        model: openai/gpt-5.4-mini-fast
      claude-sonnet-4-6:
        harness: claude
        model: sonnet
