{
  "simulation": {
    "name": "simulations/abc123xyz789",
    "simulation_id": "abc123xyz789",
    "run_id": "abc123xyz789",
    "status": "COMPLETED",
    "create_time": "2025-10-14T12:00:00Z",
    "has_audio": true,
    "agent_id": "gk3jK9mPq2xRt5vW8yZaBc",
    "persona_id": "hL4kL0nQr3ySt6vX9zAcDd",
    "test_set_id": "aB1cD2eF",
    "test_case_id": "test_xyz123",
    "source": {
      "type": "phone",
      "value": "+15551234567"
    },
    "destination": {
      "type": "phone",
      "value": "+15551234567"
    },
    "error_message": "Simulation failed to run.",
    "mutation_id": "01ARZ3NDEKTSV4RRFFQ69G5FAV",
    "mutation_name": "GPT-4 Fast VAD",
    "notes": "Reviewed – false positive",
    "is_public": false,
    "transcript": [
      {
        "role": "assistant",
        "content": "Hello! How can I help you today?",
        "start_timestamp": "0.0",
        "end_timestamp": "2.5",
        "start_offset": 0,
        "end_offset": 2500
      }
    ]
  }
}

{
  "error": {
    "code": "INVALID_ARGUMENT",
    "message": "Request validation failed",
    "details": [
      {
        "field": "iteration_count",
        "description": "Value must be between 1 and 10"
      }
    ]
  }
}

{
  "error": {
    "code": "UNAUTHENTICATED",
    "message": "Missing API Key",
    "details": [
      {
        "field": "X-API-Key",
        "description": "X-API-Key header is required"
      }
    ]
  }
}

{
  "error": {
    "code": "PERMISSION_DENIED",
    "message": "Insufficient permissions",
    "details": [
      {
        "field": "permissions",
        "description": "API key does not include required scope"
      }
    ]
  }
}

{
  "error": {
    "code": "NOT_FOUND",
    "message": "Agent not found",
    "details": [
      {
        "field": "agent_id",
        "description": "Agent 'gk3jK9mPq2xRt5vW8yZaBc' does not exist"
      }
    ]
  }
}

{
  "error": {
    "code": "INTERNAL",
    "message": "Internal server error",
    "details": [
      {
        "description": "An unexpected error occurred. Please contact support."
      }
    ]
  }
}