gump run parallel-tasks --spec spec.md

name: parallel-tasks
max_budget: 10.00

steps:
  - name: decompose
    type: split
    parallel: true
    get:
      prompt: |
        Decompose {spec} into independent tasks with strictly disjoint
        blast radii. No two tasks may touch the same file.
    run:
      agent: claude-opus
    gate: [schema]
    each:
      - name: impl
        type: code
        get:
          prompt: |
            Implement: {task.description}
            Only touch: {task.files}
        run:
          agent: claude-sonnet
          guard:
            max_turns: 60
        gate: [compile, test]
        retry:
          - attempt: 3
            agent: claude-opus
          - exit: 4

  - name: quality
    gate: [compile, lint, test]