{
  "name": "expired-token",
  "description": "Token with expired 'exp' claim",
  "token_payload": {
    "iss": "https://as.example.com",
    "sub": "agent-test-01",
    "aud": "https://api.example.com",
    "exp": 1704067200,
    "iat": 1704063600,
    "jti": "expired-token-001",
    "agent": {
      "id": "agent-test-01",
      "type": "llm-autonomous",
      "operator": "org:test"
    },
    "task": {
      "id": "task-001",
      "purpose": "test"
    },
    "capabilities": [
      {
        "action": "test.action"
      }
    ],
    "delegation": {
      "depth": 0,
      "max_depth": 2,
      "chain": ["agent-test-01"]
    }
  },
  "validation_errors": [
    {
      "error_type": "token_expired",
      "error_code": "invalid_token",
      "http_status": 401,
      "description": "Token exp (1704067200 = 2024-01-01 00:00:00) is in the past",
      "specification_section": "7.1 (Standard Token Validation)",
      "validation_check": "exp > current_time (within clock skew tolerance)"
    }
  ],
  "test_cases": [
    {
      "name": "validate_expired_token",
      "current_time": 1735686000,
      "expected_result": "REJECTED",
      "error_code": "invalid_token",
      "error_description_contains": "expired",
      "http_status": 401
    },
    {
      "name": "validate_with_clock_skew",
      "current_time": 1704067500,
      "clock_skew_tolerance": 300,
      "expected_result": "ACCEPTED",
      "description": "Within 5-minute clock skew tolerance should still be valid"
    },
    {
      "name": "validate_beyond_clock_skew",
      "current_time": 1704068000,
      "clock_skew_tolerance": 300,
      "expected_result": "REJECTED",
      "error_code": "invalid_token",
      "description": "Beyond clock skew tolerance should fail"
    }
  ],
  "metadata": {
    "specification_section": "7.1, 12.8 (Clock Skew)",
    "created": "2025-02-01",
    "version": "1.0"
  }
}