import AppKitimport CodexBarCoreimport Foundationimport SwiftUI struct AmpProviderImplementation: ProviderImplementation {    let id: UsageProvider = .amp     @MainActor    func observeSettings(_ settings: SettingsStore) {        _ = settings.ampUsageDataSource        _ = settings.ampAPIToken        _ = settings.ampCookieSource        _ = settings.ampCookieHeader    }     @MainActor    func sourceMode(context: ProviderSourceModeContext) -> ProviderSourceMode {        context.settings.ampUsageDataSource    }     @MainActor    func settingsSnapshot(context: ProviderSettingsSnapshotContext) -> ProviderSettingsSnapshotContribution? {        .amp(context.settings.ampSettingsSnapshot(tokenOverride: context.tokenOverride))    }     @MainActor    func settingsPickers(context: ProviderSettingsContext) -> [ProviderSettingsPickerDescriptor] {        let sourceBinding = Binding(            get: { context.settings.ampUsageDataSource.rawValue },            set: { raw in                context.settings.ampUsageDataSource = ProviderSourceMode(rawValue: raw) ?? .auto            })        let sourceOptions: [ProviderSettingsPickerOption] = [            ProviderSettingsPickerOption(id: ProviderSourceMode.auto.rawValue, title: "Auto"),            ProviderSettingsPickerOption(id: ProviderSourceMode.cli.rawValue, title: "Amp CLI"),            ProviderSettingsPickerOption(id: ProviderSourceMode.api.rawValue, title: "Access token"),            ProviderSettingsPickerOption(id: ProviderSourceMode.web.rawValue, title: "Browser cookies"),        ]        let cookieBinding = Binding(            get: { context.settings.ampCookieSource.rawValue },            set: { raw in                context.settings.ampCookieSource = ProviderCookieSource(rawValue: raw) ?? .auto            })        let cookieOptions = ProviderCookieSourceUI.options(            allowsOff: false,            keychainDisabled: context.settings.debugDisableKeychainAccess)         let cookieSubtitle: () -> String? = {            ProviderCookieSourceUI.subtitle(                source: context.settings.ampCookieSource,                keychainDisabled: context.settings.debugDisableKeychainAccess,                auto: "Automatic imports browser cookies.",                manual: "Paste a Cookie header or cURL capture from Amp settings.",                off: "Amp cookies are disabled.")        }         return [            ProviderSettingsPickerDescriptor(                id: "amp-usage-source",                title: "Usage source",                subtitle: "Auto tries the Amp CLI, access token, then browser cookies.",                binding: sourceBinding,                options: sourceOptions,                isVisible: nil,                onChange: nil),            ProviderSettingsPickerDescriptor(                id: "amp-cookie-source",                title: "Cookie source",                subtitle: "Automatic imports browser cookies.",                dynamicSubtitle: cookieSubtitle,                binding: cookieBinding,                options: cookieOptions,                isVisible: {                    context.settings.ampUsageDataSource == .auto ||                        context.settings.ampUsageDataSource == .web                },                onChange: nil),        ]    }     @MainActor    func settingsFields(context: ProviderSettingsContext) -> [ProviderSettingsFieldDescriptor] {        [            ProviderSettingsFieldDescriptor(                id: "amp-api-token",                title: "Access token",                subtitle: "Stored in ~/.codexbar/config.json. You can also set AMP_API_KEY.",                kind: .secure,                placeholder: "sgamp_...",                binding: context.stringBinding(\.ampAPIToken),                actions: [                    ProviderSettingsActionDescriptor(                        id: "amp-open-access-tokens",                        title: "Open Amp Access Tokens",                        style: .link,                        isVisible: nil,                        perform: {                            if let url = URL(string: "https://ampcode.com/settings") {                                NSWorkspace.shared.open(url)                            }                        }),                ],                isVisible: {                    context.settings.ampUsageDataSource == .auto ||                        context.settings.ampUsageDataSource == .api                },                onActivate: { context.settings.ensureAmpAPITokenLoaded() }),            ProviderSettingsFieldDescriptor(                id: "amp-cookie",                title: "",                subtitle: "",                kind: .secure,                placeholder: "Cookie: …",                binding: context.stringBinding(\.ampCookieHeader),                actions: [                    ProviderSettingsActionDescriptor(                        id: "amp-open-settings",                        title: "Open Amp Settings",                        style: .link,                        isVisible: nil,                        perform: {                            if let url = URL(string: "https://ampcode.com/settings") {                                NSWorkspace.shared.open(url)                            }                        }),                ],                isVisible: {                    (context.settings.ampUsageDataSource == .auto ||                        context.settings.ampUsageDataSource == .web) &&                        context.settings.ampCookieSource == .manual                },                onActivate: { context.settings.ensureAmpCookieLoaded() }),        ]    }}