import CodexBarCoreimport Foundation struct GroqProviderImplementation: ProviderImplementation {    let id: UsageProvider = .groq     @MainActor    func presentation(context _: ProviderPresentationContext) -> ProviderPresentation {        ProviderPresentation { _ in "metrics" }    }     @MainActor    func observeSettings(_ settings: SettingsStore) {        _ = settings.groqAPIKey    }     // No `isAvailable` override: when Groq is enabled, the fetch pipeline resolves    // the console browser session (primary) or the optional API key (Enterprise    // Prometheus fallback). Matches the MiMo cookie provider.     @MainActor    func settingsFields(context: ProviderSettingsContext) -> [ProviderSettingsFieldDescriptor] {        [            ProviderSettingsFieldDescriptor(                id: "groq-api-key",                title: "API key",                subtitle: "Usage & spend come from your console.groq.com browser session automatically. " +                    "An API key is optional and only adds Enterprise Prometheus metrics.",                kind: .secure,                placeholder: "gsk_...",                binding: context.stringBinding(\.groqAPIKey),                actions: [],                isVisible: nil,                onActivate: nil),        ]    }}