JSON response example omits required enum fields in openapi.json

[cdco-busunkim]

The JSON response example excludes enum fields, even those marked required on the schema.

Below is a minimal openapi.json with one endpoint. Species is an enum and doesn't show up in the response JSON.

{
  "openapi": "3.0.0",
  "info": {
    "version": "1.0.0",
    "title": "Swagger Petstore",
    "license": {
      "name": "MIT"
    }
  },
  "servers": [
    {
      "url": "http://petstore.swagger.io/v1"
    }
  ],
  "paths": {

    "/pets/{petId}": {
      "get": {
        "summary": "Info for a specific pet",
        "operationId": "showPetById",
        "tags": ["pets"],
        "parameters": [
          {
            "name": "petId",
            "in": "path",
            "required": true,
            "description": "The id of the pet to retrieve",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Expected response to a valid request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Pet"
                }
              }
            }
          },
          "default": {
            "description": "unexpected error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Pet": {
        "type": "object",
        "required": ["id", "name", "species"],
        "properties": {
          "id": {
            "type": "integer",
            "format": "int64"
          },
          "name": {
            "type": "string"
          },
          "tag": {
            "type": "string"
          },
          "species": {
            "$ref": "#/components/schemas/Species"
          }
        }
      },
      "Error": {
        "type": "object",
        "required": ["code", "message"],
        "properties": {
          "code": {
            "type": "integer",
            "format": "int32"
          },
          "message": {
            "type": "string"
          }
        }
      },
      "Species": {
        "type": "string",
        "enum": [
          "dog",
          "cat",
          "iguana"
        ]
      }
    }
  }
}

Generated docs

Mint and node version

➜  platform-documentation git:(main) ✗ mint --version
4.2.773

➜  platform-documentation git:(main) ✗ node --version
v24.19.0