Error Handling Protocol

interface ErrorResponse {
  status: number;      // HTTP status code
  message: string;     // Human-readable description
  error_code: string;  // Machine-parseable identifier
}

{
  "status": 500,
  "message": "Database operation failed: write concern error",
  "error_code": "DATABASE_ERROR"
}

{
  "status": 404,
  "message": "Resource not found in collection",
  "error_code": "NOT_FOUND"
}

{
  "status": 400,
  "message": "Invalid input: constraint violation",
  "error_code": "INVALID_INPUT"
}

{
  "status": 500,
  "message": "Internal error: system constraint violation",
  "error_code": "INTERNAL_ERROR"
}

{
  "status": 429,
  "message": "Rate limit exceeded: throughput constraint violation",
  "error_code": "RATE_LIMIT_EXCEEDED"
}