{
  "id": "problem-details-validation",
  "title": "Problem Details semantic validation",
  "description": "AEP Problem Details require a title, bind type exactly to code, and do not disclose recognition metadata.",
  "drafts": [
    "draft-kavian-agent-enrollment-protocol-04"
  ],
  "category": "errors",
  "applicability": {
    "agent": {
      "expectation": "required",
      "profile": "core-http"
    },
    "platform": {
      "expectation": "unsupported"
    },
    "service": {
      "expectation": "required",
      "profile": "core-http"
    }
  },
  "input": {
    "cases": [
      {
        "name": "valid_problem",
        "body": {
          "type": "urn:aep:error:not_recognized",
          "title": "Not recognized",
          "status": 401,
          "code": "not_recognized"
        },
        "valid": true
      },
      {
        "name": "title_omitted",
        "body": {
          "type": "urn:aep:error:not_recognized",
          "status": 401,
          "code": "not_recognized"
        },
        "valid": false
      },
      {
        "name": "title_null",
        "body": {
          "type": "urn:aep:error:not_recognized",
          "title": null,
          "status": 401,
          "code": "not_recognized"
        },
        "valid": false
      },
      {
        "name": "title_empty",
        "body": {
          "type": "urn:aep:error:not_recognized",
          "title": "",
          "status": 401,
          "code": "not_recognized"
        },
        "valid": false
      },
      {
        "name": "type_code_mismatch",
        "body": {
          "type": "urn:aep:error:invalid_request",
          "title": "Not recognized",
          "status": 401,
          "code": "not_recognized"
        },
        "valid": false
      },
      {
        "name": "not_recognized_owner_action",
        "body": {
          "type": "urn:aep:error:not_recognized",
          "title": "Not recognized",
          "status": 401,
          "code": "not_recognized",
          "owner_action_required": "true"
        },
        "valid": false
      },
      {
        "name": "not_recognized_requirements",
        "body": {
          "type": "urn:aep:error:not_recognized",
          "title": "Not recognized",
          "status": 401,
          "code": "not_recognized",
          "requirements_pending": ["contact.email"]
        },
        "valid": false
      },
      {
        "name": "not_recognized_verification",
        "body": {
          "type": "urn:aep:error:not_recognized",
          "title": "Not recognized",
          "status": 401,
          "code": "not_recognized",
          "verification_pending": ["contact.email"]
        },
        "valid": false
      }
    ]
  },
  "expected": {
    "valid_cases": ["valid_problem"],
    "invalid_cases": [
      "not_recognized_owner_action",
      "not_recognized_requirements",
      "not_recognized_verification",
      "title_empty",
      "title_null",
      "title_omitted",
      "type_code_mismatch"
    ]
  }
}