import Foundation public enum OpenRouterProviderDescriptor {    public static let descriptor: ProviderDescriptor = Self.makeDescriptor()     static func makeDescriptor() -> ProviderDescriptor {        ProviderDescriptor(            id: .openrouter,            metadata: ProviderMetadata(                id: .openrouter,                displayName: "OpenRouter",                sessionLabel: "Credits",                weeklyLabel: "Usage",                opusLabel: nil,                supportsOpus: false,                supportsCredits: true,                creditsHint: "Credit balance from OpenRouter API",                toggleTitle: "Show OpenRouter usage",                cliName: "openrouter",                defaultEnabled: false,                isPrimaryProvider: false,                usesAccountFallback: false,                dashboardURL: "https://openrouter.ai/settings/credits",                statusPageURL: nil,                statusLinkURL: "https://status.openrouter.ai"),            branding: ProviderBranding(                iconStyle: .openrouter,                iconResourceName: "ProviderIcon-openrouter",                color: ProviderColor(red: 100 / 255, green: 103 / 255, blue: 242 / 255),                confettiPalette: [                    ProviderColor(hex: 0x96A5B9),                    ProviderColor(hex: 0x161616),                    ProviderColor(hex: 0xFFFFFF),                ]),            tokenCost: ProviderTokenCostConfig(                supportsTokenCost: false,                noDataMessage: { "OpenRouter cost summary is not yet supported." }),            fetchPlan: .apiToken(                strategyID: "openrouter.api",                resolveToken: { ProviderTokenResolver.openRouterToken(environment: $0) },                missingCredentialsError: { OpenRouterSettingsError.missingToken },                loadUsage: { apiKey, context in                    try await OpenRouterUsageFetcher.fetchUsage(                        apiKey: apiKey,                        environment: context.env).toUsageSnapshot()                }),            cli: ProviderCLIConfig(                name: "openrouter",                aliases: ["or"],                versionDetector: nil))    }} /// Errors related to OpenRouter settingspublic enum OpenRouterSettingsError: LocalizedError, Sendable, Equatable {    case missingToken    case invalidEndpointOverride(String)     public var errorDescription: String? {        switch self {        case .missingToken:            "OpenRouter API token not configured. Set OPENROUTER_API_KEY environment variable or configure in Settings."        case let .invalidEndpointOverride(key):            "OpenRouter endpoint override \(key) must use HTTPS or a bare host."        }    }}