{
  "synthetic": true,
  "function": "patchField",
  "scope": "Finite offline teaching cases only; no live account/platform access.",
  "cases": [
    {
      "id": 1,
      "args": [
        "Maker A",
        {}
      ],
      "expected": "Maker A"
    },
    {
      "id": 2,
      "args": [
        "Maker A",
        {
          "Vendor": ""
        }
      ],
      "expected": ""
    },
    {
      "id": 3,
      "args": [
        "Maker A",
        {
          "Vendor": "Maker B"
        }
      ],
      "expected": "Maker B"
    }
  ]
}