import Foundation public enum T3ChatProviderDescriptor {    public static let descriptor: ProviderDescriptor = Self.makeDescriptor()     static func makeDescriptor() -> ProviderDescriptor {        ProviderDescriptor(            id: .t3chat,            metadata: ProviderMetadata(                id: .t3chat,                displayName: "T3 Chat",                sessionLabel: "Base",                weeklyLabel: "Overage",                opusLabel: nil,                supportsOpus: false,                supportsCredits: false,                creditsHint: "",                toggleTitle: "Show T3 Chat usage",                cliName: "t3chat",                defaultEnabled: false,                isPrimaryProvider: false,                usesAccountFallback: false,                browserCookieOrder: ProviderBrowserCookieDefaults.defaultImportOrder,                dashboardURL: "https://t3.chat/settings/customization",                subscriptionDashboardURL: "https://t3.chat/settings/subscription",                statusPageURL: nil),            branding: ProviderBranding(                iconStyle: .t3chat,                iconResourceName: "ProviderIcon-t3chat",                color: ProviderColor(red: 245 / 255, green: 102 / 255, blue: 71 / 255)),            tokenCost: ProviderTokenCostConfig(                supportsTokenCost: false,                noDataMessage: { "T3 Chat cost summary is not supported." }),            fetchPlan: ProviderFetchPlan(                sourceModes: [.auto, .web],                pipeline: ProviderFetchPipeline(resolveStrategies: { _ in [T3ChatWebFetchStrategy()] })),            cli: ProviderCLIConfig(                name: "t3chat",                aliases: ["t3-chat", "t3"],                versionDetector: nil))    }} struct T3ChatWebFetchStrategy: ProviderFetchStrategy {    let id: String = "t3chat.web"    let kind: ProviderFetchKind = .web     func isAvailable(_ context: ProviderFetchContext) async -> Bool {        let cookieSource = context.settings?.t3chat?.cookieSource ?? .auto        guard cookieSource != .off else { return false }        if cookieSource == .manual {            return T3ChatUsageFetcher.requestContext(from: context.settings?.t3chat?.manualCookieHeader) != nil        }        #if os(macOS)        return true        #else        return false        #endif    }     func fetch(_ context: ProviderFetchContext) async throws -> ProviderFetchResult {        let fetcher = T3ChatUsageFetcher(browserDetection: context.browserDetection)        let manual = Self.manualCookieHeader(from: context)        let logger: ((String) -> Void)? = context.verbose            ? { msg in CodexBarLog.logger(LogCategories.t3chat).verbose(msg) }            : nil        let snapshot = try await fetcher.fetch(            cookieHeaderOverride: manual,            timeout: context.webTimeout,            logger: logger)        return self.makeResult(            usage: snapshot.toUsageSnapshot(),            sourceLabel: "web")    }     func shouldFallback(on _: Error, context _: ProviderFetchContext) -> Bool {        false    }     private static func manualCookieHeader(from context: ProviderFetchContext) -> String? {        guard context.settings?.t3chat?.cookieSource == .manual else { return nil }        return context.settings?.t3chat?.manualCookieHeader    }}