import Foundation public enum KimiAPIError: LocalizedError, Sendable, Equatable {    case missingToken    case invalidToken    case invalidRequest(String)    case networkError(String)    case apiError(String)    case parseFailed(String)     public var errorDescription: String? {        switch self {        case .missingToken:            "Kimi auth token is missing. Please add your JWT token from the Kimi console."        case .invalidToken:            "Kimi auth token is invalid or expired. Please refresh your token."        case let .invalidRequest(message):            "Invalid request: \(message)"        case let .networkError(message):            "Kimi network error: \(message)"        case let .apiError(message):            "Kimi API error: \(message)"        case let .parseFailed(message):            "Failed to parse Kimi usage data: \(message)"        }    }}