hyungi_document_server/App/DSApp.swift

import SwiftUI
import AppFeature

/// Thin @main entry: window + DI only. Injects AppModel (FixtureDSClient + AIRouter(MockAIProvider))
/// so the whole pipeline renders with zero real backend / zero real LLM. Feature logic lives in
/// AppFeature, keeping the seam to a future Xcode/iPhone target trivial.
@main
struct DSApp: App {
    @State private var model: AppModel

    @MainActor
    init() {
        _model = State(initialValue: AppModel.preview)
    }

    var body: some Scene {
        WindowGroup {
            RootView()
                .environment(model)
                .frame(minWidth: 980, minHeight: 640)
        }
        .windowStyle(.automatic)
    }
}