Adopt root-level tsswift app layout

Move the app payload under swift/ while keeping git, package.json, and .smartconfig.json at the repo root. This standardizes the Swift app setup so build, test, run, and watch workflows match the other repos.

swift/Sources/Features/Auth/QRScannerView.swift

@@ -0,0 +1,418 @@
+import AVFoundation
+import Combine
+import SwiftUI
+#if os(iOS)
+import UIKit
+#elseif os(macOS)
+import AppKit
+#endif
+
+struct QRScannerSheet: View {
+    let seededPayload: String
+    let title: String
+    let description: String
+    let navigationTitleText: String
+    let onCodeScanned: (String) -> Void
+
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.horizontalSizeClass) private var horizontalSizeClass
+    @State private var manualFallback = ""
+
+    init(
+        seededPayload: String,
+        title: String = "Scan QR",
+        description: String = "Use the camera to scan an idp.global QR challenge.",
+        navigationTitle: String = "Scan QR",
+        onCodeScanned: @escaping (String) -> Void
+    ) {
+        self.seededPayload = seededPayload
+        self.title = title
+        self.description = description
+        self.navigationTitleText = navigationTitle
+        self.onCodeScanned = onCodeScanned
+    }
+
+    var body: some View {
+        NavigationStack {
+            AppScrollScreen(compactLayout: compactLayout) {
+                AppSectionCard(title: title, compactLayout: compactLayout) {
+                    Text(description)
+                        .font(.subheadline)
+                        .foregroundStyle(.secondary)
+
+                    LiveQRScannerView(onCodeScanned: onCodeScanned)
+                        .frame(minHeight: 340)
+                }
+
+                AppSectionCard(title: "Manual fallback", compactLayout: compactLayout) {
+                    AppTextEditorField(text: $manualFallback, minHeight: 120)
+
+                    if compactLayout {
+                        VStack(spacing: 12) {
+                            useFallbackButton
+                            useSeededButton
+                        }
+                    } else {
+                        HStack(spacing: 12) {
+                            useFallbackButton
+                            useSeededButton
+                        }
+                    }
+                }
+            }
+            .navigationTitle(navigationTitleText)
+            .toolbar {
+                ToolbarItem(placement: .cancellationAction) {
+                    Button("Close") {
+                        dismiss()
+                    }
+                }
+            }
+            .onAppear {
+                manualFallback = seededPayload
+            }
+        }
+    }
+
+    private var compactLayout: Bool {
+        #if os(iOS)
+        horizontalSizeClass == .compact
+        #else
+        false
+        #endif
+    }
+
+    private var useFallbackButton: some View {
+        Button {
+            let chosen = manualFallback.trimmingCharacters(in: .whitespacesAndNewlines)
+            onCodeScanned(chosen.isEmpty ? seededPayload : chosen)
+            dismiss()
+        } label: {
+            Label("Use payload", systemImage: "arrow.up.forward.square")
+                .frame(maxWidth: .infinity)
+        }
+        .buttonStyle(.borderedProminent)
+    }
+
+    private var useSeededButton: some View {
+        Button {
+            manualFallback = seededPayload
+        } label: {
+            Label("Reset sample", systemImage: "wand.and.rays")
+                .frame(maxWidth: .infinity)
+        }
+        .buttonStyle(.bordered)
+    }
+}
+
+private struct LiveQRScannerView: View {
+    let onCodeScanned: (String) -> Void
+
+    @StateObject private var scanner = QRScannerViewModel()
+
+    var body: some View {
+        ZStack(alignment: .bottomLeading) {
+            Group {
+                if scanner.isPreviewAvailable {
+                    ScannerPreview(session: scanner.captureSession)
+                        .clipShape(RoundedRectangle(cornerRadius: 30, style: .continuous))
+                } else {
+                    RoundedRectangle(cornerRadius: 30, style: .continuous)
+                        .fill(Color.black.opacity(0.86))
+
+                    VStack(alignment: .leading, spacing: 12) {
+                        Image(systemName: "video.slash.fill")
+                            .font(.system(size: 28, weight: .semibold))
+                            .foregroundStyle(.white)
+                        Text("Live camera preview unavailable")
+                            .font(.title3.weight(.semibold))
+                            .foregroundStyle(.white)
+                        Text(scanner.statusMessage)
+                            .foregroundStyle(.white.opacity(0.78))
+                    }
+                    .padding(24)
+                }
+            }
+
+            RoundedRectangle(cornerRadius: 30, style: .continuous)
+                .strokeBorder(.white.opacity(0.22), lineWidth: 1.5)
+
+            VStack(alignment: .leading, spacing: 8) {
+                Text("Camera Scanner")
+                    .font(.headline.weight(.semibold))
+                    .foregroundStyle(.white)
+                Text(scanner.statusMessage)
+                    .foregroundStyle(.white.opacity(0.84))
+            }
+            .padding(22)
+
+            ScanFrameOverlay()
+                .padding(40)
+        }
+        .task {
+            scanner.onCodeScanned = { payload in
+                onCodeScanned(payload)
+            }
+            await scanner.start()
+        }
+        .onDisappear {
+            scanner.stop()
+        }
+    }
+}
+
+private struct ScanFrameOverlay: View {
+    var body: some View {
+        GeometryReader { geometry in
+            let size = min(geometry.size.width, geometry.size.height) * 0.5
+
+            RoundedRectangle(cornerRadius: 28, style: .continuous)
+                .strokeBorder(.white.opacity(0.82), style: StrokeStyle(lineWidth: 3, dash: [10, 8]))
+                .frame(width: size, height: size)
+                .position(x: geometry.size.width / 2, y: geometry.size.height / 2)
+        }
+        .allowsHitTesting(false)
+    }
+}
+
+private final class QRScannerViewModel: NSObject, ObservableObject, AVCaptureMetadataOutputObjectsDelegate {
+    @Published var isPreviewAvailable = false
+    @Published var statusMessage = "Point the camera at the QR code from the idp.global web portal."
+
+    let captureSession = AVCaptureSession()
+
+    var onCodeScanned: ((String) -> Void)?
+
+    private let queue = DispatchQueue(label: "global.idp.qrscanner")
+    private var isConfigured = false
+    private var hasDeliveredCode = false
+
+    func start() async {
+        #if os(iOS) && targetEnvironment(simulator)
+        await MainActor.run {
+            isPreviewAvailable = false
+            statusMessage = "The iOS simulator has no live camera feed. Use the seeded payload below."
+        }
+        #else
+        #endif
+
+        #if !(os(iOS) && targetEnvironment(simulator))
+        let authorization = AVCaptureDevice.authorizationStatus(for: .video)
+        switch authorization {
+        case .authorized:
+            await configureIfNeeded()
+            startRunning()
+        case .notDetermined:
+            let granted = await requestCameraAccess()
+            await MainActor.run {
+                self.statusMessage = granted
+                    ? "Point the camera at the QR code from the idp.global web portal."
+                    : "Camera access was denied. Use the fallback payload below."
+            }
+            guard granted else { return }
+            await configureIfNeeded()
+            startRunning()
+        case .denied, .restricted:
+            await MainActor.run {
+                isPreviewAvailable = false
+                statusMessage = "Camera access is unavailable. Use the fallback payload below."
+            }
+        @unknown default:
+            await MainActor.run {
+                isPreviewAvailable = false
+                statusMessage = "Camera access could not be initialized on this device."
+            }
+        }
+        #endif
+    }
+
+    func stop() {
+        queue.async {
+            if self.captureSession.isRunning {
+                self.captureSession.stopRunning()
+            }
+        }
+    }
+
+    func metadataOutput(
+        _ output: AVCaptureMetadataOutput,
+        didOutput metadataObjects: [AVMetadataObject],
+        from connection: AVCaptureConnection
+    ) {
+        guard !hasDeliveredCode,
+              let readable = metadataObjects.first as? AVMetadataMachineReadableCodeObject,
+              readable.type == .qr,
+              let payload = readable.stringValue else {
+            return
+        }
+
+        hasDeliveredCode = true
+        stop()
+
+        #if os(iOS)
+        UINotificationFeedbackGenerator().notificationOccurred(.success)
+        #endif
+
+        DispatchQueue.main.async { [onCodeScanned] in
+            onCodeScanned?(payload)
+        }
+    }
+
+    private func requestCameraAccess() async -> Bool {
+        await withCheckedContinuation { continuation in
+            AVCaptureDevice.requestAccess(for: .video) { granted in
+                continuation.resume(returning: granted)
+            }
+        }
+    }
+
+    private func configureIfNeeded() async {
+        guard !isConfigured else {
+            await MainActor.run {
+                self.isPreviewAvailable = true
+            }
+            return
+        }
+
+        await withCheckedContinuation { (continuation: CheckedContinuation<Void, Never>) in
+            queue.async {
+                self.captureSession.beginConfiguration()
+                defer {
+                    self.captureSession.commitConfiguration()
+                    continuation.resume()
+                }
+
+                guard let device = AVCaptureDevice.default(for: .video) else {
+                    DispatchQueue.main.async {
+                        self.isPreviewAvailable = false
+                        self.statusMessage = "No compatible camera was found. Use the fallback payload below."
+                    }
+                    return
+                }
+
+                guard let input = try? AVCaptureDeviceInput(device: device) else {
+                    DispatchQueue.main.async {
+                        self.isPreviewAvailable = false
+                        self.statusMessage = "No compatible camera was found. Use the fallback payload below."
+                    }
+                    return
+                }
+
+                guard self.captureSession.canAddInput(input) else {
+                    DispatchQueue.main.async {
+                        self.isPreviewAvailable = false
+                        self.statusMessage = "No compatible camera was found. Use the fallback payload below."
+                    }
+                    return
+                }
+
+                self.captureSession.addInput(input)
+
+                let output = AVCaptureMetadataOutput()
+                guard self.captureSession.canAddOutput(output) else {
+                    self.captureSession.removeInput(input)
+                    DispatchQueue.main.async {
+                        self.isPreviewAvailable = false
+                        self.statusMessage = "Unable to configure QR metadata scanning on this device."
+                    }
+                    return
+                }
+
+                self.captureSession.addOutput(output)
+                output.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
+
+                let supportedTypes = output.availableMetadataObjectTypes
+                guard supportedTypes.contains(.qr) else {
+                    self.captureSession.removeOutput(output)
+                    self.captureSession.removeInput(input)
+                    DispatchQueue.main.async {
+                        self.isPreviewAvailable = false
+                        self.statusMessage = "This camera does not support QR metadata scanning. Use the fallback payload below."
+                    }
+                    return
+                }
+
+                output.metadataObjectTypes = [.qr]
+                self.isConfigured = true
+
+                DispatchQueue.main.async {
+                    self.isPreviewAvailable = true
+                    self.statusMessage = "Point the camera at the QR code from the idp.global web portal."
+                }
+            }
+        }
+    }
+
+    private func startRunning() {
+        queue.async {
+            guard !self.captureSession.isRunning else { return }
+            self.hasDeliveredCode = false
+            self.captureSession.startRunning()
+        }
+    }
+}
+
+extension QRScannerViewModel: @unchecked Sendable {}
+
+#if os(iOS)
+private struct ScannerPreview: UIViewRepresentable {
+    let session: AVCaptureSession
+
+    func makeUIView(context: Context) -> ScannerPreviewUIView {
+        let view = ScannerPreviewUIView()
+        view.previewLayer.session = session
+        view.previewLayer.videoGravity = .resizeAspectFill
+        return view
+    }
+
+    func updateUIView(_ uiView: ScannerPreviewUIView, context: Context) {
+        uiView.previewLayer.session = session
+    }
+}
+
+private final class ScannerPreviewUIView: UIView {
+    override class var layerClass: AnyClass {
+        AVCaptureVideoPreviewLayer.self
+    }
+
+    var previewLayer: AVCaptureVideoPreviewLayer {
+        layer as! AVCaptureVideoPreviewLayer
+    }
+}
+#elseif os(macOS)
+private struct ScannerPreview: NSViewRepresentable {
+    let session: AVCaptureSession
+
+    func makeNSView(context: Context) -> ScannerPreviewNSView {
+        let view = ScannerPreviewNSView()
+        view.attach(session: session)
+        return view
+    }
+
+    func updateNSView(_ nsView: ScannerPreviewNSView, context: Context) {
+        nsView.attach(session: session)
+    }
+}
+
+private final class ScannerPreviewNSView: NSView {
+    private var previewLayer: AVCaptureVideoPreviewLayer?
+
+    override init(frame frameRect: NSRect) {
+        super.init(frame: frameRect)
+        wantsLayer = true
+    }
+
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
+        wantsLayer = true
+    }
+
+    func attach(session: AVCaptureSession) {
+        let layer = previewLayer ?? AVCaptureVideoPreviewLayer(session: session)
+        layer.session = session
+        layer.videoGravity = .resizeAspectFill
+        self.layer = layer
+        previewLayer = layer
+    }
+}
+#endif