import SwiftUI import SwiftData @main struct SesameApp: App { @State var modelContainer: ModelContainer init() { do { self.modelContainer = try ModelContainer(for: HistoryItem.self) } catch { fatalError("Failed to create model container: \(error)") } } var body: some Scene { WindowGroup { ContentView(modelContext: modelContainer.mainContext) } .modelContainer(modelContainer) } }