import SwiftUI

/// The iPhone app's entry point. The boards navigation stack (board → lane → card) is the whole
/// app; Settings lives behind the gear button on the board list rather than a tab of its own.
@main
struct MobileApp: App {

    /// **The app's root model, owned here and nowhere else** — the container home, the one
    /// `NSMetadataQuery` the process runs, and the per-board session cache. `@State` because the
    /// scene owns its lifetime; every screen reaches it through `.environment`, never by
    /// constructing one.
    @State private var boardIndex = BoardIndexStore()

    var body: some Scene {
        WindowGroup {
            BoardsTabView()
                .environment(boardIndex)
        }
    }
}