{
  "id": "mime_detect_image",
  "category": "mime_utilities",
  "description": "Detect MIME type from PNG image bytes",
  "tags": ["mime", "detection", "image", "bytes"],
  "call": "detect_mime_type_from_bytes",
  "input": {
    "data": "images/test_hello_world.png"
  },
  "assertions": [
    {
      "type": "contains",
      "field": "result",
      "value": "png"
    }
  ]
}