{
  "INTERNAL_ERROR": "Internal server error",
  "UNAUTHORIZED": "Authentication required",
  "FORBIDDEN": "You do not have permission to perform this action",
  "NOT_FOUND": "Resource not found",
  "CONFLICT": "Conflict",
  "RATE_LIMITED": "Too many requests — please try again later",
  "PORT_NOT_FOUND": "Port not found: {portCode}",
  "PORT_INVALID_CODE": "Invalid port code: {portCode}",
  "USER_NOT_FOUND": "User not found",
  "USER_EMAIL_TAKEN": "This email is already in use",
  "USER_INACTIVE": "User account is inactive",
  "USER_EMAIL_NOT_VERIFIED": "Email address not verified",
  "ORGANIZATION_NOT_FOUND": "Organization not found",
  "INVALID_CREDENTIALS": "Invalid email or password",
  "INVALID_TOKEN": "Invalid or expired token",
  "BOOKING_NOT_FOUND": "Booking {bookingNumber} not found",
  "BOOKING_INVALID_STATUS": "Invalid booking status transition",
  "RATE_QUOTE_NOT_FOUND": "Rate quote not found",
  "RATE_QUOTE_EXPIRED": "Rate quote has expired",
  "CARRIER_NOT_FOUND": "Carrier not found",
  "NO_LICENSES_AVAILABLE": "No licenses available for this organization"
}