import Foundation public enum Sub2APIProviderDescriptor {    public static func primaryLabel(details: Sub2APIUsageDetails?) -> String? {        details?.kind == .subscription ? "Daily quota" : nil    }     public static let descriptor = ProviderDescriptor(        id: .sub2api,        metadata: ProviderMetadata(            id: .sub2api,            displayName: "sub2api",            sessionLabel: "Quota",            weeklyLabel: "Weekly quota",            opusLabel: "Monthly quota",            supportsOpus: true,            supportsCredits: false,            creditsHint: "Reads key quota, subscription limits, usage, and wallet balance from /v1/usage.",            toggleTitle: "Show sub2api usage",            cliName: "sub2api",            defaultEnabled: false,            dashboardURL: nil,            statusPageURL: nil),        branding: ProviderBranding(            iconStyle: .sub2api,            iconResourceName: "ProviderIcon-sub2api",            color: ProviderColor(red: 45 / 255, green: 198 / 255, blue: 216 / 255)),        tokenCost: ProviderTokenCostConfig(            supportsTokenCost: false,            noDataMessage: { "sub2api spend is reported by its usage API." }),        fetchPlan: ProviderFetchPlan(            sourceModes: [.auto, .api],            pipeline: ProviderFetchPipeline(resolveStrategies: { _ in [Sub2APIAPIFetchStrategy()] })),        cli: ProviderCLIConfig(            name: "sub2api",            aliases: ["sub-2-api"],            versionDetector: nil))} struct Sub2APIAPIFetchStrategy: ProviderFetchStrategy {    let id = "sub2api.api"    let kind: ProviderFetchKind = .apiToken     func isAvailable(_ context: ProviderFetchContext) async -> Bool {        Sub2APISettingsReader.apiKey(environment: context.env) != nil &&            Sub2APISettingsReader.baseURL(environment: context.env) != nil    }     func fetch(_ context: ProviderFetchContext) async throws -> ProviderFetchResult {        guard let apiKey = Sub2APISettingsReader.apiKey(environment: context.env) else {            throw Sub2APIUsageError.missingCredentials        }        guard let baseURL = Sub2APISettingsReader.baseURL(environment: context.env) else {            throw Sub2APIUsageError.missingBaseURL        }        let usage = try await Sub2APIUsageFetcher.fetchUsage(apiKey: apiKey, baseURL: baseURL)        return self.makeResult(usage: usage.toUsageSnapshot(), sourceLabel: "api")    }     func shouldFallback(on _: Error, context _: ProviderFetchContext) -> Bool {        false    }}