{
  "caseId": "invalid-operation",
  "diagnosis": {
    "version": "3.0.3",
    "canRepair": false,
    "issues": [
      {
        "ruleId": "openapi-structure",
        "severity": "error",
        "title": "OpenAPI document structure is invalid",
        "path": "/paths/~1items/get",
        "fixable": false
      },
      {
        "ruleId": "oas.invalidShape",
        "severity": "error",
        "title": "Invalid OpenAPI structure",
        "path": "/paths/~1items/get/responses",
        "fixable": false
      },
      {
        "ruleId": "aws.rootSecurityIgnored",
        "severity": "warning",
        "title": "Root security is ignored by API Gateway",
        "path": "/security",
        "fixable": false
      },
      {
        "ruleId": "aws.operationSecurityMissing",
        "severity": "warning",
        "title": "Inherited security is not explicit",
        "path": "/paths/~1items/get/security",
        "fixable": false
      }
    ]
  },
  "preview": {
    "available": false,
    "patches": [],
    "after": null,
    "outputFile": null
  },
  "preservation": "Missing responses fails structural validation even with root security; repair stays disabled."
}