import CodexBarCore /// Source of truth for app-side provider implementations.////// Keep provider registration centralized here. The rest of the app should *not* have to be updated when a new/// provider is added, aside from enum/metadata work in `CodexBarCore`.enum ProviderCatalog {    /// All provider implementations shipped in the app.    static let all: [any ProviderImplementation] = ProviderImplementationRegistry.all     /// Lookup for a single provider implementation.    static func implementation(for id: UsageProvider) -> (any ProviderImplementation)? {        ProviderImplementationRegistry.implementation(for: id)    }}