{
  "context": "This criteria evaluates how effectively the engineer uses @gradio/client's error handling capabilities to catch, categorize, and report errors during connection and prediction operations. The focus is on proper use of try-catch blocks, error type detection, and structured error responses.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Client.connect() usage",
      "description": "Uses Client.connect() method properly within try-catch blocks to handle connection failures. Should catch errors thrown during connection attempts.",
      "max_score": 20
    },
    {
      "name": "Connection error detection",
      "description": "Correctly identifies and categorizes connection-related errors (invalid endpoints, network failures, unreachable servers) by examining error messages or error types from Client.connect().",
      "max_score": 15
    },
    {
      "name": "Authentication error detection",
      "description": "Correctly identifies authentication failures (HTTP 401 errors or authentication-related error messages) when connecting to private spaces or authenticated endpoints.",
      "max_score": 15
    },
    {
      "name": "Prediction error handling",
      "description": "Uses try-catch blocks around client.predict() or client.submit() calls to handle prediction failures. Should catch errors during prediction execution.",
      "max_score": 15
    },
    {
      "name": "Validation error detection",
      "description": "Correctly identifies parameter validation errors (HTTP 422 errors or validation-related error messages) and extracts information about which parameters are invalid.",
      "max_score": 15
    },
    {
      "name": "Error categorization logic",
      "description": "Implements logic to categorize errors into specific types (connection, authentication, validation, network, unknown) based on error properties, status codes, or error messages.",
      "max_score": 10
    },
    {
      "name": "Structured error response",
      "description": "Returns ErrorHandlingResult objects with proper structure including success flag, error type, error message, and details fields as specified in the API.",
      "max_score": 10
    }
  ]
}