{
  "name": "测试流程",
  "code": "test-flow",
  "yaml": "# demo flow\nnodes:\n  - { id: start, kind: start, name: 开始 }\n  - { id: assign, kind: custom, name: 赋值, script: ctx.x = ctx.input.name || 'default'; }\n  - { id: end, kind: end, name: 结束 }\nedges:\n  - { from: start, to: assign }\n  - { from: assign, to: end }\n"
}