import AppKitimport CodexBarCoreimport Foundationimport SwiftUI struct OpenRouterProviderImplementation: ProviderImplementation {    let id: UsageProvider = .openrouter     @MainActor    func presentation(context _: ProviderPresentationContext) -> ProviderPresentation {        ProviderPresentation { _ in "api" }    }     @MainActor    func observeSettings(_ settings: SettingsStore) {        _ = settings.openRouterAPIToken    }     @MainActor    func settingsSnapshot(context: ProviderSettingsSnapshotContext) -> ProviderSettingsSnapshotContribution? {        _ = context        return nil    }     @MainActor    func isAvailable(context: ProviderAvailabilityContext) -> Bool {        if OpenRouterSettingsReader.apiToken(environment: context.environment) != nil {            return true        }        return !context.settings.openRouterAPIToken.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty    }     @MainActor    func settingsPickers(context _: ProviderSettingsContext) -> [ProviderSettingsPickerDescriptor] {        []    }     @MainActor    func settingsFields(context: ProviderSettingsContext) -> [ProviderSettingsFieldDescriptor] {        [            ProviderSettingsFieldDescriptor(                id: "openrouter-api-key",                title: "API key",                subtitle: "Stored in ~/.codexbar/config.json. "                    + "Get your key from openrouter.ai/settings/keys and set a key spending limit "                    + "there to enable API key quota tracking.",                kind: .secure,                placeholder: "sk-or-v1-...",                binding: context.stringBinding(\.openRouterAPIToken),                actions: [],                isVisible: nil,                onActivate: nil),        ]    }}