Create application lane

{
  "revision": 0,
  "lanes": [
    {
      "id": "<string>",
      "category": "saved",
      "label": "<string>",
      "color": "<string>",
      "position": 0,
      "systemKey": "saved",
      "closedReason": "accepted",
      "retiredAt": "2026-08-10T12:00:00Z"
    }
  ]
}

{
  "defined": true,
  "code": "<string>",
  "status": 1,
  "message": "<string>",
  "data": null
}