add basic ios implementation

iosApp/Configuration/Config.xcconfig

@@ -4,4 +4,7 @@ PRODUCT_NAME=Coop
 PRODUCT_BUNDLE_IDENTIFIER=su.reya.coop.Coop$(TEAM_ID)
 
 CURRENT_PROJECT_VERSION=1
-MARKETING_VERSION=1.0
+MARKETING_VERSION=1.0
+
+FRAMEWORK_SEARCH_PATHS=$(inherited) "$(SRCROOT)/../shared/build/xcode-frameworks/$(CONFIGURATION)/$(SDK_NAME)"
+OTHER_LDFLAGS=$(inherited) -framework Shared

iosApp/iosApp/App/AppRoute.swift

@@ -0,0 +1,14 @@
+import Foundation
+
+enum AppRoute: Hashable {
+    case home
+    case requestList
+    case contactList
+    case updateProfile
+    case newChat
+    case myQr
+    case relay
+    case settings
+    case chat(id: Int64, screening: Bool)
+    case profile(pubkey: String)
+}

iosApp/iosApp/App/AppState.swift

@@ -0,0 +1,90 @@
+import Foundation
+import Shared
+
+@MainActor
+@Observable
+final class AppState {
+    let bootstrap: IosBootstrap
+
+    private var subscriptions: [FlowSubscription] = []
+
+    var path: [AppRoute] = []
+    var signerRequired: Bool?
+    var isSyncing = false
+    var partialProcessed = false
+    var chatRooms: [Room] = []
+    var accountState: AccountState?
+    var settings: Settings?
+    var currentUserProfile: Profile?
+    var isUpdatingProfile = false
+    var errorMessage: String?
+
+    let networkMonitor = NetworkMonitor()
+
+    init() {
+        bootstrap = IosBootstrap.companion.create(storage: IosAppStorage())
+    }
+
+    func start() {
+        let docs = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
+        let dbDir = docs.appendingPathComponent("nostr", isDirectory: true)
+        try? FileManager.default.createDirectory(at: dbDir, withIntermediateDirectories: true)
+
+        bootstrap.start(dbPath: dbDir.path) { [weak self] event in
+            self?.handleNewMessage(event)
+        }
+
+        subscriptions.append(bootstrap.watchAccountState { [weak self] state in
+            self?.accountState = state
+            self?.signerRequired = state.signerRequired?.boolValue
+        })
+        subscriptions.append(bootstrap.watchChatRooms { [weak self] rooms in
+            self?.chatRooms = rooms
+        })
+        subscriptions.append(bootstrap.watchIsSyncing { [weak self] value in
+            self?.isSyncing = value.boolValue
+        })
+        subscriptions.append(bootstrap.watchPartialProcessed { [weak self] value in
+            self?.partialProcessed = value.boolValue
+        })
+        subscriptions.append(bootstrap.watchSettings { [weak self] settings in
+            self?.settings = settings
+        })
+        subscriptions.append(bootstrap.watchCurrentUserProfile { [weak self] profile in
+            self?.currentUserProfile = profile
+        })
+        subscriptions.append(bootstrap.watchIsUpdatingProfile { [weak self] value in
+            self?.isUpdatingProfile = value.boolValue
+        })
+        subscriptions.append(bootstrap.watchErrors { [weak self] message in
+            self?.errorMessage = message
+        })
+    }
+
+    func handle(_ url: URL) {
+        guard url.scheme == "coop" else { return }
+        switch url.host {
+        case "chat":
+            if let id = Int64(url.pathComponents.dropFirst().first ?? "") {
+                path.append(.chat(id: id, screening: false))
+            }
+        case "profile":
+            let pubkey = url.pathComponents.dropFirst().first ?? ""
+            if !pubkey.isEmpty {
+                path.append(.profile(pubkey: pubkey))
+            }
+        default:
+            break
+        }
+    }
+
+    func logout() {
+        bootstrap.logout()
+        bootstrap.resetState()
+        path = []
+    }
+
+    private func handleNewMessage(_ event: Nostr_sdk_kmpUnsignedEvent) {
+        NotificationService.shared.notifyNewMessage(roomId: event.roomId(), content: event.content())
+    }
+}

iosApp/iosApp/ContentView.swift

@@ -2,32 +2,80 @@ import SwiftUI
 import Shared
 
 struct ContentView: View {
-    @State private var showContent = false
-    var body: some View {
-        VStack {
-            Button("Click me!") {
-                withAnimation {
-                    showContent = !showContent
-                }
-            }
+    @Environment(AppState.self) private var appState
 
-            if showContent {
-                VStack(spacing: 16) {
-                    Image(systemName: "swift")
-                        .font(.system(size: 200))
-                        .foregroundColor(.accentColor)
-                    Text("SwiftUI: \(Greeting().greet())")
+    var body: some View {
+        Group {
+            switch appState.signerRequired {
+            case .none:
+                SplashView()
+            case .some(true):
+                OnboardingView()
+            case .some(false):
+                NavigationStack(path: Bindable(appState).path) {
+                    HomeView()
+                        .navigationDestination(for: AppRoute.self) { route in
+                            destination(for: route)
+                        }
                 }
-                .transition(.move(edge: .top).combined(with: .opacity))
             }
         }
-        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
-        .padding()
+        .alert("Error", isPresented: Binding(
+            get: { appState.errorMessage != nil },
+            set: { if !$0 { appState.errorMessage = nil } }
+        )) {
+            Button("OK") { appState.errorMessage = nil }
+        } message: {
+            Text(appState.errorMessage ?? "")
+        }
+        .preferredColorScheme(colorScheme)
+    }
+
+    private var colorScheme: ColorScheme? {
+        switch appState.settings?.theme {
+        case Theme.light:
+            return .light
+        case Theme.dark:
+            return .dark
+        default:
+            return nil
+        }
+    }
+
+    @ViewBuilder
+    private func destination(for route: AppRoute) -> some View {
+        switch route {
+        case .home:
+            HomeView()
+        case .requestList:
+            RequestListView()
+        case .contactList:
+            ContactListView()
+        case .updateProfile:
+            UpdateProfileView()
+        case .newChat:
+            NewChatView()
+        case .myQr:
+            MyQrView()
+        case .relay:
+            RelayView()
+        case .settings:
+            SettingsView()
+        case .chat(let id, let screening):
+            ChatView(roomId: id, screening: screening)
+        case .profile(let pubkey):
+            ProfileView(pubkey: pubkey)
+        }
     }
 }
 
-struct ContentView_Previews: PreviewProvider {
-    static var previews: some View {
-        ContentView()
+struct SplashView: View {
+    var body: some View {
+        ZStack {
+            Color(.systemBackground).ignoresSafeArea()
+            Image(systemName: "bubble.left.and.bubble.right.fill")
+                .font(.system(size: 64))
+                .foregroundStyle(.tint)
+        }
     }
 }

iosApp/iosApp/Info.plist

@@ -4,5 +4,18 @@
 <dict>
 	<key>CADisableMinimumFrameDurationOnPhone</key>
 	<true/>
+	<key>NSCameraUsageDescription</key>
+	<string>Coop uses the camera to scan QR codes for adding contacts and importing identities.</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLName</key>
+			<string>su.reya.coop</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>coop</string>
+			</array>
+		</dict>
+	</array>
 </dict>
 </plist>

iosApp/iosApp/Services/IosAppStorage.swift

@@ -0,0 +1,73 @@
+import Foundation
+import Security
+import Shared
+
+final class IosAppStorage: AppStorage {
+    private let defaults = UserDefaults.standard
+    private let service = "su.reya.coop"
+
+    func get(key: String, completionHandler: @escaping (String?, Error?) -> Void) {
+        completionHandler(defaults.string(forKey: key), nil)
+    }
+
+    func set(key: String, value: String, completionHandler: @escaping (Error?) -> Void) {
+        defaults.set(value, forKey: key)
+        completionHandler(nil)
+    }
+
+    func getSecret(key: String, completionHandler: @escaping (String?, Error?) -> Void) {
+        let query: [CFString: Any] = [
+            kSecClass: kSecClassGenericPassword,
+            kSecAttrService: service,
+            kSecAttrAccount: key,
+            kSecReturnData: true,
+            kSecMatchLimit: kSecMatchLimitOne,
+        ]
+        var item: CFTypeRef?
+        let status = SecItemCopyMatching(query as CFDictionary, &item)
+        guard status == errSecSuccess, let data = item as? Data else {
+            completionHandler(nil, nil)
+            return
+        }
+        completionHandler(String(data: data, encoding: .utf8), nil)
+    }
+
+    func setSecret(key: String, value: String, completionHandler: @escaping (Error?) -> Void) {
+        let data = Data(value.utf8)
+        let query: [CFString: Any] = [
+            kSecClass: kSecClassGenericPassword,
+            kSecAttrService: service,
+            kSecAttrAccount: key,
+        ]
+        if SecItemCopyMatching(query as CFDictionary, nil) == errSecSuccess {
+            SecItemUpdate(query as CFDictionary, [kSecValueData: data] as CFDictionary)
+        } else {
+            var add = query
+            add[kSecValueData] = data
+            add[kSecAttrAccessible] = kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly
+            SecItemAdd(add as CFDictionary, nil)
+        }
+        completionHandler(nil)
+    }
+
+    func clear(key: String, completionHandler: @escaping (Error?) -> Void) {
+        defaults.removeObject(forKey: key)
+        let query: [CFString: Any] = [
+            kSecClass: kSecClassGenericPassword,
+            kSecAttrService: service,
+            kSecAttrAccount: key,
+        ]
+        SecItemDelete(query as CFDictionary)
+        completionHandler(nil)
+    }
+
+    func has(key: String, completionHandler: @escaping (KotlinBoolean?, Error?) -> Void) {
+        if defaults.object(forKey: key) != nil {
+            completionHandler(KotlinBoolean(booleanLiteral: true), nil)
+            return
+        }
+        getSecret(key: key) { secret, _ in
+            completionHandler(KotlinBoolean(booleanLiteral: secret != nil), nil)
+        }
+    }
+}

iosApp/iosApp/Services/KotlinHelpers.swift

@@ -0,0 +1,26 @@
+import Foundation
+import Shared
+
+extension Data {
+    func toKotlinByteArray() -> KotlinByteArray {
+        let array = KotlinByteArray(size: Int32(count))
+        for (index, byte) in enumerated() {
+            array.set(index: Int32(index), value: Int8(bitPattern: byte))
+        }
+        return array
+    }
+}
+
+extension KotlinBoolean {
+    var value: Bool { boolValue }
+}
+
+extension String {
+    func isImageUrl() -> Bool {
+        ExtensionsKt.isImageUrl(self)
+    }
+
+    func removeImageUrls() -> String {
+        ExtensionsKt.removeImageUrls(self)
+    }
+}

iosApp/iosApp/Services/NetworkMonitor.swift

@@ -0,0 +1,24 @@
+import Foundation
+import Network
+
+@Observable
+final class NetworkMonitor {
+    private let monitor = NWPathMonitor()
+    private let queue = DispatchQueue(label: "su.reya.coop.network")
+
+    private(set) var isMobileData = false
+
+    init() {
+        monitor.pathUpdateHandler = { [weak self] path in
+            let mobile = path.usesInterfaceType(.cellular)
+            Task { @MainActor in
+                self?.isMobileData = mobile
+            }
+        }
+        monitor.start(queue: queue)
+    }
+
+    deinit {
+        monitor.cancel()
+    }
+}

iosApp/iosApp/Services/NotificationService.swift

@@ -0,0 +1,56 @@
+import Foundation
+import UserNotifications
+
+final class NotificationService: NSObject, UNUserNotificationCenterDelegate {
+    static let shared = NotificationService()
+
+    private let center = UNUserNotificationCenter.current()
+
+    var onOpenChat: ((Int64) -> Void)?
+
+    override init() {
+        super.init()
+        center.delegate = self
+    }
+
+    func requestPermissionIfNeeded() {
+        center.getNotificationSettings { settings in
+            if settings.authorizationStatus == .notDetermined {
+                self.center.requestAuthorization(options: [.alert, .badge, .sound]) { _, _ in }
+            }
+        }
+    }
+
+    func notifyNewMessage(roomId: Int64, content: String) {
+        let notificationContent = UNMutableNotificationContent()
+        notificationContent.title = "You received a new message"
+        notificationContent.body = content
+        notificationContent.sound = .default
+        notificationContent.userInfo = ["roomId": roomId]
+
+        let request = UNNotificationRequest(
+            identifier: UUID().uuidString,
+            content: notificationContent,
+            trigger: nil
+        )
+        center.add(request)
+    }
+
+    func userNotificationCenter(
+        _ center: UNUserNotificationCenter,
+        willPresent notification: UNNotification
+    ) async -> UNNotificationPresentationOptions {
+        []
+    }
+
+    func userNotificationCenter(
+        _ center: UNUserNotificationCenter,
+        didReceive response: UNNotificationResponse
+    ) async {
+        if let roomId = response.notification.request.content.userInfo["roomId"] as? Int64 {
+            await MainActor.run {
+                onOpenChat?(roomId)
+            }
+        }
+    }
+}

iosApp/iosApp/Views/Chat/ChatView.swift

@@ -0,0 +1,236 @@
+import PhotosUI
+import SwiftUI
+import Shared
+
+struct ChatView: View {
+    @Environment(AppState.self) private var appState
+    @Environment(\.dismiss) private var dismiss
+
+    let roomId: Int64
+    let screening: Bool
+
+    @State private var viewModel: ChatViewModel?
+    @State private var input = ""
+    @State private var photoItem: PhotosPickerItem?
+    @State private var authorNames: [String: String] = [:]
+
+    private var showScreener: Bool {
+        (viewModel?.requireScreening ?? false) && appState.settings?.screening == true
+    }
+
+    var body: some View {
+        VStack(spacing: 0) {
+            messageList
+
+            if showScreener, let room = viewModel?.room {
+                ScreenerCard(
+                    room: room,
+                    onAccept: { viewModel?.requireScreening = false },
+                    onReject: { dismiss() }
+                )
+            } else {
+                inputBar
+            }
+        }
+        .navigationTitle(viewModel?.roomUi?.name ?? "Chat")
+        .navigationBarTitleDisplayMode(.inline)
+        .toolbar {
+            ToolbarItem(placement: .principal) {
+                if let room = viewModel?.room, let firstMember = otherMember(of: room) {
+                    Button {
+                        appState.path.append(.profile(pubkey: firstMember.toHex()))
+                    } label: {
+                        VStack(spacing: 2) {
+                            AvatarView(
+                                name: viewModel?.roomUi?.name ?? "?",
+                                picture: viewModel?.roomUi?.picture,
+                                size: 28
+                            )
+                            Text(viewModel?.roomUi?.name ?? "Chat")
+                                .font(.caption)
+                                .foregroundStyle(.primary)
+                        }
+                    }
+                } else {
+                    Text(viewModel?.roomUi?.name ?? "Chat").font(.headline)
+                }
+            }
+        }
+        .task {
+            let vm = ChatViewModel(roomId: roomId, screening: screening)
+            viewModel = vm
+            vm.start(appState: appState)
+        }
+        .onDisappear {
+            viewModel?.stop()
+        }
+        .task(id: photoItem) {
+            guard let photoItem else { return }
+            guard let data = try? await photoItem.loadTransferable(type: Data.self) else { return }
+            let contentType = photoItem.supportedContentTypes.first?.preferredMIMEType ?? "image/jpeg"
+            viewModel?.sendImage(data, contentType: contentType, appState: appState)
+            self.photoItem = nil
+        }
+    }
+
+    private var messageList: some View {
+        ScrollView {
+            LazyVStack(spacing: 8) {
+                ForEach(groupedMessages, id: \.0) { group, messages in
+                    Text(group)
+                        .font(.caption)
+                        .foregroundStyle(.secondary)
+                        .padding(.vertical, 8)
+
+                    ForEach(messages, id: \.stableId) { event in
+                        let isMine = event.author().toHex() == appState.bootstrap.currentPublicKey()?.toHex()
+                        let replyId = event.tags().eventIds().first
+                        let replied = replyId.flatMap { id in
+                            viewModel?.messages.first { $0.id()?.toHex() == id.toHex() }
+                        }
+                        MessageBubble(
+                            event: event,
+                            isMine: isMine,
+                            showImages: showImages,
+                            repliedMessage: replied,
+                            repliedAuthorName: replied.flatMap { authorName(for: $0) },
+                            onReply: { viewModel?.replyingTo = event }
+                        )
+                    }
+                }
+            }
+            .padding(.horizontal)
+        }
+        .defaultScrollAnchor(.bottom)
+        .overlay {
+            if viewModel?.loading == true {
+                ProgressView()
+            }
+        }
+    }
+
+    private var inputBar: some View {
+        VStack(spacing: 8) {
+            if let replyingTo = viewModel?.replyingTo {
+                HStack(spacing: 8) {
+                    RoundedRectangle(cornerRadius: 2)
+                        .fill(Color.accentColor)
+                        .frame(width: 3)
+                    VStack(alignment: .leading, spacing: 1) {
+                        Text("Replying to \(authorName(for: replyingTo))")
+                            .font(.caption.bold())
+                        Text(replyingTo.content())
+                            .font(.caption)
+                            .lineLimit(1)
+                            .foregroundStyle(.secondary)
+                    }
+                    Spacer()
+                    Button {
+                        viewModel?.replyingTo = nil
+                    } label: {
+                        Image(systemName: "xmark.circle.fill")
+                            .foregroundStyle(.secondary)
+                    }
+                }
+                .padding(.horizontal)
+                .padding(.top, 8)
+            }
+
+            HStack(spacing: 12) {
+                PhotosPicker(selection: $photoItem, matching: .images) {
+                    Image(systemName: "plus.circle.fill")
+                        .font(.title2)
+                        .foregroundStyle(.tint)
+                }
+
+                TextField("Message", text: $input, axis: .vertical)
+                    .lineLimit(1...5)
+                    .padding(.horizontal, 12)
+                    .padding(.vertical, 8)
+                    .background(Color(.secondarySystemBackground), in: Capsule())
+
+                Button {
+                    viewModel?.send(input, appState: appState)
+                    input = ""
+                } label: {
+                    Image(systemName: "arrow.up.circle.fill")
+                        .font(.title2)
+                        .foregroundStyle(input.isEmpty ? Color(.systemGray3) : Color.accentColor)
+                }
+                .disabled(input.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
+            }
+            .padding(.horizontal)
+            .padding(.vertical, 8)
+        }
+        .background(.bar)
+    }
+
+    private var groupedMessages: [(String, [Nostr_sdk_kmpUnsignedEvent])] {
+        let messages = viewModel?.messages ?? []
+        var groups: [(String, [Nostr_sdk_kmpUnsignedEvent])] = []
+        var currentKey = ""
+
+        for message in messages {
+            let key = message.createdAt().formatAsGroup()
+            if key != currentKey {
+                groups.append((key, [message]))
+                currentKey = key
+            } else {
+                groups[groups.count - 1].1.append(message)
+            }
+        }
+        return groups
+    }
+
+    private var showImages: Bool {
+        guard let media = appState.settings?.media else { return true }
+        switch media {
+        case MediaConfig.disabled:
+            return false
+        case MediaConfig.disabledformobiledata:
+            return !appState.networkMonitor.isMobileData
+        default:
+            return true
+        }
+    }
+
+    private func otherMember(of room: Room) -> Nostr_sdk_kmpPublicKey? {
+        let selfHex = appState.bootstrap.currentPublicKey()?.toHex()
+        return room.members.first { $0.toHex() != selfHex } ?? room.members.first
+    }
+
+    private func authorName(for event: Nostr_sdk_kmpUnsignedEvent) -> String {
+        let hex = event.author().toHex()
+        if hex == appState.bootstrap.currentPublicKey()?.toHex() {
+            return appState.currentUserProfile?.name ?? "You"
+        }
+        if let cached = authorNames[hex] {
+            return cached
+        }
+        let short = event.author().short()
+        loadAuthorName(pubkey: event.author(), hex: hex)
+        return short
+    }
+
+    private func loadAuthorName(pubkey: Nostr_sdk_kmpPublicKey, hex: String) {
+        guard authorNames[hex] == nil else { return }
+        authorNames[hex] = pubkey.short()
+        let sub = appState.bootstrap.watchProfile(pubkey: pubkey) { profile in
+            Task { @MainActor in
+                if let profile {
+                    authorNames[hex] = profile.name
+                }
+            }
+        }
+        Task { @MainActor in
+            try? await Task.sleep(for: .seconds(30))
+            sub.cancel()
+        }
+    }
+}
+
+private extension Nostr_sdk_kmpUnsignedEvent {
+    var stableId: String {
+        id()?.toHex() ?? "\(createdAt().asSecs())-\(content().hashValue)"
+    }
+}

iosApp/iosApp/Views/Chat/ChatViewModel.swift

@@ -0,0 +1,82 @@
+import SwiftUI
+import Shared
+
+@MainActor
+@Observable
+final class ChatViewModel {
+    let roomId: Int64
+
+    var messages: [Nostr_sdk_kmpUnsignedEvent] = []
+    var room: Room?
+    var roomUi: RoomUiState?
+    var loading = true
+    var replyingTo: Nostr_sdk_kmpUnsignedEvent?
+    var requireScreening: Bool
+
+    private var subscriptions: [FlowSubscription] = []
+
+    init(roomId: Int64, screening: Bool) {
+        self.roomId = roomId
+        self.requireScreening = screening
+    }
+
+    func start(appState: AppState) {
+        let bootstrap = appState.bootstrap
+
+        room = bootstrap.getChatRoom(id: roomId)
+        if let room {
+            subscriptions.append(bootstrap.watchRoomUi(
+                room: room,
+                currentUser: bootstrap.currentPublicKey()
+            ) { [weak self] state in
+                Task { @MainActor in self?.roomUi = state }
+            })
+        }
+
+        subscriptions.append(bootstrap.watchNewEvents { [weak self] event in
+            Task { @MainActor in
+                guard let self, event.roomId() == self.roomId else { return }
+                if !self.messages.contains(where: { $0.id()?.toHex() == event.id()?.toHex() }) {
+                    self.messages.append(event)
+                    self.messages.sort { $0.createdAt().asSecs() < $1.createdAt().asSecs() }
+                }
+                appState.bootstrap.markRoomRead(id: self.roomId)
+            }
+        })
+
+        Task {
+            let loaded = (try? await bootstrap.loadRoomMessages(roomId: roomId)) ?? []
+            messages = loaded.sorted { $0.createdAt().asSecs() < $1.createdAt().asSecs() }
+            loading = false
+            bootstrap.markRoomRead(id: roomId)
+            bootstrap.connectRoom(id: roomId)
+        }
+    }
+
+    func stop() {
+        subscriptions.forEach { $0.cancel() }
+        subscriptions = []
+    }
+
+    func send(_ text: String, appState: AppState) {
+        let trimmed = text.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !trimmed.isEmpty else { return }
+
+        if let replyTo = replyingTo, let replyId = replyTo.id() {
+            appState.bootstrap.sendReplyMessage(roomId: roomId, text: trimmed, replyTo: replyId)
+        } else {
+            appState.bootstrap.sendTextMessage(roomId: roomId, text: trimmed)
+        }
+        replyingTo = nil
+        requireScreening = false
+    }
+
+    func sendImage(_ data: Data, contentType: String, appState: AppState) {
+        appState.bootstrap.sendImageMessage(
+            roomId: roomId,
+            file: data.toKotlinByteArray(),
+            contentType: contentType
+        )
+        requireScreening = false
+    }
+}

iosApp/iosApp/Views/Chat/MessageBubble.swift

@@ -0,0 +1,125 @@
+import SwiftUI
+import Shared
+
+struct MessageBubble: View {
+    let event: Nostr_sdk_kmpUnsignedEvent
+    let isMine: Bool
+    let showImages: Bool
+    let repliedMessage: Nostr_sdk_kmpUnsignedEvent?
+    let repliedAuthorName: String?
+    let onReply: () -> Void
+
+    @State private var showTimestamp = false
+
+    private var imageUrls: [URL] {
+        guard showImages else { return [] }
+        return event.content()
+            .components(separatedBy: .whitespacesAndNewlines)
+            .filter { $0.isImageUrl() }
+            .compactMap { URL(string: $0) }
+    }
+
+    private var text: String {
+        showImages ? event.content().removeImageUrls() : event.content()
+    }
+
+    var body: some View {
+        HStack {
+            if isMine { Spacer(minLength: 40) }
+
+            VStack(alignment: isMine ? .trailing : .leading, spacing: 4) {
+                if let repliedMessage {
+                    HStack(spacing: 6) {
+                        RoundedRectangle(cornerRadius: 2)
+                            .fill(Color.accentColor)
+                            .frame(width: 3)
+                        VStack(alignment: .leading, spacing: 1) {
+                            Text(repliedAuthorName ?? "Unknown")
+                                .font(.caption.bold())
+                            Text(repliedMessage.content())
+                                .font(.caption)
+                                .lineLimit(2)
+                                .foregroundStyle(.secondary)
+                        }
+                    }
+                    .padding(8)
+                    .background(.black.opacity(0.08), in: RoundedRectangle(cornerRadius: 8))
+                }
+
+                ForEach(imageUrls, id: \.absoluteString) { url in
+                    AsyncImage(url: url) { phase in
+                        switch phase {
+                        case .success(let image):
+                            image.resizable().scaledToFit()
+                        case .failure:
+                            ContentUnavailableView("Image unavailable", systemImage: "photo.badge.exclamationmark")
+                                .frame(height: 120)
+                        default:
+                            ProgressView()
+                                .frame(height: 120)
+                        }
+                    }
+                    .frame(maxWidth: 260)
+                    .clipShape(RoundedRectangle(cornerRadius: 12))
+                }
+
+                if !text.isEmpty {
+                    Text(text)
+                        .padding(.horizontal, 12)
+                        .padding(.vertical, 8)
+                        .background(
+                            isMine ? Color.accentColor : Color(.secondarySystemBackground),
+                            in: BubbleShape(isMine: isMine)
+                        )
+                        .foregroundStyle(isMine ? .white : .primary)
+                }
+
+                if showTimestamp {
+                    Text(event.createdAt().formatAsTime())
+                        .font(.caption2)
+                        .foregroundStyle(.secondary)
+                }
+            }
+            .contentShape(Rectangle())
+            .onTapGesture {
+                withAnimation(.easeInOut(duration: 0.15)) {
+                    showTimestamp.toggle()
+                }
+            }
+            .contextMenu {
+                Button {
+                    UIPasteboard.general.string = event.content()
+                } label: {
+                    Label("Copy", systemImage: "doc.on.doc")
+                }
+                Button {
+                    onReply()
+                } label: {
+                    Label("Reply", systemImage: "arrowshape.turn.up.left")
+                }
+            }
+
+            if !isMine { Spacer(minLength: 40) }
+        }
+    }
+}
+
+struct BubbleShape: Shape {
+    let isMine: Bool
+
+    func path(in rect: CGRect) -> Path {
+        let radius: CGFloat = 16
+        let tail: CGFloat = 4
+        let corners: UIRectCorner = isMine
+            ? [.topLeft, .topRight, .bottomLeft]
+            : [.topLeft, .topRight, .bottomRight]
+
+        let path = UIBezierPath(
+            roundedRect: rect,
+            byRoundingCorners: corners,
+            cornerRadii: CGSize(width: radius, height: radius)
+        )
+        _ = tail
+        return Path(path.cgPath)
+    }
+}

iosApp/iosApp/Views/Chat/ScreenerCard.swift

@@ -0,0 +1,96 @@
+import SwiftUI
+import Shared
+
+struct ScreenerCard: View {
+    @Environment(AppState.self) private var appState
+
+    let room: Room
+    let onAccept: () -> Void
+    let onReject: () -> Void
+
+    @State private var profile: Profile?
+    @State private var isContact: Bool?
+    @State private var mutualCount: Int?
+    @State private var lastActivity: Nostr_sdk_kmpTimestamp?
+    @State private var subscription: FlowSubscription?
+
+    private var member: Nostr_sdk_kmpPublicKey? {
+        let selfHex = appState.bootstrap.currentPublicKey()?.toHex()
+        return room.members.first { $0.toHex() != selfHex } ?? room.members.first
+    }
+
+    var body: some View {
+        VStack(spacing: 16) {
+            AvatarView(
+                name: profile?.name ?? member?.short() ?? "?",
+                picture: profile?.picture,
+                size: 80
+            )
+
+            Text(profile?.name ?? member?.short() ?? "Unknown")
+                .font(.headline)
+
+            VStack(spacing: 8) {
+                indicator(
+                    title: "In your contacts",
+                    value: isContact.map { $0 ? "Yes" : "No" },
+                    positive: isContact == true
+                )
+                indicator(
+                    title: "Mutual contacts",
+                    value: mutualCount.map { "\($0)" },
+                    positive: (mutualCount ?? 0) > 0
+                )
+                indicator(
+                    title: "Last public activity",
+                    value: lastActivity?.humanReadable(),
+                    positive: lastActivity != nil
+                )
+            }
+            .font(.subheadline)
+
+            HStack(spacing: 12) {
+                Button(role: .destructive, action: onReject) {
+                    Text("Reject")
+                        .frame(maxWidth: .infinity)
+                }
+                .buttonStyle(.bordered)
+
+                Button(action: onAccept) {
+                    Text("Accept")
+                        .frame(maxWidth: .infinity)
+                }
+                .buttonStyle(.borderedProminent)
+            }
+        }
+        .padding()
+        .background(Color(.secondarySystemBackground), in: RoundedRectangle(cornerRadius: 16))
+        .padding()
+        .task {
+            guard let member else { return }
+            subscription = appState.bootstrap.watchProfile(pubkey: member) { value in
+                Task { @MainActor in profile = value }
+            }
+            isContact = (try? await appState.bootstrap.verifyContact(pubkey: member))?.boolValue
+            mutualCount = (try? await appState.bootstrap.mutualContacts(pubkey: member))?.count
+            lastActivity = try? await appState.bootstrap.verifyActivity(pubkey: member)
+        }
+        .onDisappear {
+            subscription?.cancel()
+        }
+    }
+
+    private func indicator(title: String, value: String?, positive: Bool) -> some View {
+        HStack {
+            Image(systemName: positive ? "checkmark.circle.fill" : "xmark.circle.fill")
+                .foregroundStyle(positive ? .green : .secondary)
+            Text(title)
+            Spacer()
+            if let value {
+                Text(value).foregroundStyle(.secondary)
+            } else {
+                ProgressView().controlSize(.mini)
+            }
+        }
+    }
+}

iosApp/iosApp/Views/Components/AvatarView.swift

@@ -0,0 +1,35 @@
+import SwiftUI
+
+struct AvatarView: View {
+    let name: String
+    let picture: String?
+    var size: CGFloat = 44
+
+    var body: some View {
+        Group {
+            if let picture, let url = URL(string: picture), !picture.isEmpty {
+                AsyncImage(url: url) { phase in
+                    switch phase {
+                    case .success(let image):
+                        image.resizable().scaledToFill()
+                    default:
+                        placeholder
+                    }
+                }
+            } else {
+                placeholder
+            }
+        }
+        .frame(width: size, height: size)
+        .clipShape(Circle())
+    }
+
+    private var placeholder: some View {
+        ZStack {
+            Circle().fill(Color(.secondarySystemFill))
+            Text(name.prefix(1).uppercased())
+                .font(.system(size: size * 0.45, weight: .semibold))
+                .foregroundStyle(.secondary)
+        }
+    }
+}

iosApp/iosApp/Views/Contacts/ContactListView.swift

@@ -0,0 +1,129 @@
+import SwiftUI
+import Shared
+
+struct ContactListView: View {
+    @Environment(AppState.self) private var appState
+    @State private var showAddContact = false
+    @State private var showScanner = false
+    @State private var newContact = ""
+    @State private var validating = false
+    @State private var validationError: String?
+    @State private var removing: Nostr_sdk_kmpPublicKey?
+
+    private var contacts: [Nostr_sdk_kmpPublicKey] {
+        Array(appState.accountState?.contactList ?? [])
+            .sorted { $0.toHex() < $1.toHex() }
+    }
+
+    var body: some View {
+        List {
+            ForEach(contacts, id: \.self) { pubkey in
+                Button {
+                    openChat(with: pubkey)
+                } label: {
+                    ContactRow(pubkey: pubkey)
+                }
+                .tint(.primary)
+                .swipeActions(edge: .trailing) {
+                    Button(role: .destructive) {
+                        removing = pubkey
+                    } label: {
+                        Label("Remove", systemImage: "trash")
+                    }
+                }
+            }
+        }
+        .overlay {
+            if contacts.isEmpty {
+                ContentUnavailableView(
+                    "No contacts",
+                    systemImage: "person.2",
+                    description: Text("Add contacts to start chatting")
+                )
+            }
+        }
+        .navigationTitle("Contacts")
+        .toolbar {
+            ToolbarItem(placement: .topBarTrailing) {
+                HStack {
+                    Button { showScanner = true } label: {
+                        Image(systemName: "qrcode.viewfinder")
+                    }
+                    Button { showAddContact = true } label: {
+                        Image(systemName: "plus")
+                    }
+                }
+            }
+        }
+        .sheet(isPresented: $showScanner) {
+            ScanView { result in
+                showScanner = false
+                if let pubkey = appState.bootstrap.parsePublicKey(input: result) {
+                    openChat(with: pubkey)
+                } else {
+                    appState.errorMessage = "Invalid public key"
+                }
+            }
+        }
+        .alert("Add Contact", isPresented: $showAddContact) {
+            TextField("npub or user@domain", text: $newContact)
+                .textInputAutocapitalization(.never)
+                .autocorrectionDisabled()
+            Button("Cancel", role: .cancel) {
+                newContact = ""
+                validationError = nil
+            }
+            Button("Add") {
+                addContact()
+            }
+            .disabled(newContact.isEmpty || validating)
+        } message: {
+            if let validationError {
+                Text(validationError)
+            } else {
+                Text("Enter a nostr public key (npub) or NIP-05 address")
+            }
+        }
+        .alert("Remove Contact?", isPresented: Binding(
+            get: { removing != nil },
+            set: { if !$0 { removing = nil } }
+        )) {
+            Button("Cancel", role: .cancel) { removing = nil }
+            Button("Remove", role: .destructive) {
+                if let removing {
+                    appState.bootstrap.removeContact(publicKey: removing)
+                }
+                removing = nil
+            }
+        } message: {
+            Text("This contact will be removed from your list.")
+        }
+    }
+
+    private func addContact() {
+        let value = newContact.trimmingCharacters(in: .whitespacesAndNewlines)
+        validating = true
+        Task {
+            defer { validating = false }
+            if appState.bootstrap.parsePublicKey(input: value) != nil {
+                appState.bootstrap.addContact(address: value)
+                newContact = ""
+            } else if value.contains("@"),
+                      (try? await appState.bootstrap.searchByAddress(query: value)) != nil {
+                appState.bootstrap.addContact(address: value)
+                newContact = ""
+            } else {
+                validationError = "Could not find this user. Check the address and try again."
+            }
+        }
+    }
+
+    private func openChat(with pubkey: Nostr_sdk_kmpPublicKey) {
+        do {
+            let roomId = try appState.bootstrap.createChatRoom(recipients: [pubkey])
+            appState.path.append(.chat(id: roomId, screening: false))
+        } catch {
+            appState.errorMessage = error.localizedDescription
+        }
+    }
+}

iosApp/iosApp/Views/Home/HomeView.swift

@@ -0,0 +1,151 @@
+import SwiftUI
+import Shared
+
+struct HomeView: View {
+    @Environment(AppState.self) private var appState
+    @State private var showProfileSheet = false
+    @State private var showScanner = false
+    @State private var showRelayWarning = false
+
+    private var ongoingRooms: [Room] {
+        appState.chatRooms.filter { $0.kind == RoomKind.ongoing }
+    }
+
+    private var requestRooms: [Room] {
+        appState.chatRooms.filter { $0.kind == RoomKind.request }
+    }
+
+    private var requestUnread: Int {
+        requestRooms.reduce(0) { $0 + Int($1.unreadCount) }
+    }
+
+    var body: some View {
+        List {
+            if !requestRooms.isEmpty {
+                Button {
+                    appState.path.append(.requestList)
+                } label: {
+                    HStack(spacing: 12) {
+                        Image(systemName: "tray.full")
+                            .font(.title2)
+                            .foregroundStyle(.tint)
+                            .frame(width: 44)
+
+                        VStack(alignment: .leading, spacing: 2) {
+                            Text("New Requests")
+                                .font(.headline)
+                            Text("\(requestRooms.count) request\(requestRooms.count == 1 ? "" : "s")")
+                                .font(.subheadline)
+                                .foregroundStyle(.secondary)
+                        }
+
+                        Spacer()
+
+                        if requestUnread > 0 {
+                            Text("\(requestUnread)")
+                                .font(.caption2.bold())
+                                .foregroundStyle(.white)
+                                .padding(.horizontal, 6)
+                                .padding(.vertical, 2)
+                                .background(Color.accentColor, in: Capsule())
+                        }
+                    }
+                }
+                .tint(.primary)
+            }
+
+            ForEach(ongoingRooms, id: \.id) { room in
+                Button {
+                    appState.path.append(.chat(id: room.id, screening: false))
+                } label: {
+                    RoomRow(room: room)
+                }
+                .tint(.primary)
+            }
+        }
+        .listStyle(.plain)
+        .refreshable {
+            appState.bootstrap.refreshChatRooms()
+        }
+        .overlay {
+            if !appState.partialProcessed {
+                ProgressView()
+            } else if appState.chatRooms.isEmpty {
+                ContentUnavailableView(
+                    "No chats yet",
+                    systemImage: "bubble.left.and.bubble.right",
+                    description: Text("Start a new chat to begin messaging")
+                )
+            }
+        }
+        .navigationTitle("Coop")
+        .toolbar {
+            ToolbarItem(placement: .principal) {
+                HStack(spacing: 8) {
+                    Text("Coop").font(.headline)
+                    if appState.isSyncing {
+                        ProgressView().controlSize(.small)
+                    }
+                }
+            }
+            ToolbarItem(placement: .topBarLeading) {
+                Button {
+                    showScanner = true
+                } label: {
+                    Image(systemName: "qrcode.viewfinder")
+                }
+            }
+            ToolbarItem(placement: .topBarTrailing) {
+                Button {
+                    showProfileSheet = true
+                } label: {
+                    AvatarView(
+                        name: appState.currentUserProfile?.name ?? "?",
+                        picture: appState.currentUserProfile?.picture,
+                        size: 32
+                    )
+                }
+            }
+        }
+        .safeAreaInset(edge: .bottom) {
+            Button {
+                appState.path.append(.newChat)
+            } label: {
+                Label("New Chat", systemImage: "square.and.pencil")
+                    .font(.headline)
+                    .padding(.horizontal, 20)
+                    .padding(.vertical, 12)
+            }
+            .buttonStyle(.borderedProminent)
+            .buttonBorderShape(.capsule)
+            .padding(.bottom, 8)
+            .frame(maxWidth: .infinity, alignment: .trailing)
+            .padding(.trailing)
+        }
+        .sheet(isPresented: $showProfileSheet) {
+            ProfileSheetView()
+                .presentationDetents([.medium, .large])
+        }
+        .sheet(isPresented: $showScanner) {
+            ScanView { result in
+                showScanner = false
+                if let pubkey = appState.bootstrap.parsePublicKey(input: result) {
+                    do {
+                        let roomId = try appState.bootstrap.createChatRoom(recipients: [pubkey])
+                        appState.path.append(.chat(id: roomId, screening: false))
+                    } catch {
+                        appState.errorMessage = error.localizedDescription
+                    }
+                } else {
+                    appState.errorMessage = "Invalid public key"
+                }
+            }
+        }
+        .sheet(isPresented: $showRelayWarning) {
+            RelayWarningSheet()
+        }
+        .onChange(of: appState.accountState?.isRelayListEmpty) { _, isEmpty in
+            showRelayWarning = isEmpty == true
+        }
+    }
+}

iosApp/iosApp/Views/Home/ProfileSheetView.swift

@@ -0,0 +1,90 @@
+import SwiftUI
+
+struct ProfileSheetView: View {
+    @Environment(AppState.self) private var appState
+    @Environment(\.dismiss) private var dismiss
+    @State private var showLogoutConfirm = false
+
+    var body: some View {
+        NavigationStack {
+            List {
+                Section {
+                    HStack(spacing: 16) {
+                        AvatarView(
+                            name: appState.currentUserProfile?.name ?? "?",
+                            picture: appState.currentUserProfile?.picture,
+                            size: 64
+                        )
+                        VStack(alignment: .leading, spacing: 4) {
+                            Text(appState.currentUserProfile?.name ?? "Loading...")
+                                .font(.headline)
+                            if let npub = try? appState.bootstrap.currentPublicKey()?.toBech32() {
+                                Text(npub)
+                                    .font(.caption)
+                                    .foregroundStyle(.secondary)
+                                    .lineLimit(1)
+                                    .truncationMode(.middle)
+                            }
+                        }
+                    }
+                    .padding(.vertical, 4)
+
+                    Button {
+                        dismiss()
+                        appState.path.append(.myQr)
+                    } label: {
+                        Label("Show QR Code", systemImage: "qrcode")
+                    }
+                }
+
+                Section {
+                    Button {
+                        dismiss()
+                        appState.path.append(.updateProfile)
+                    } label: {
+                        Label("Update Profile", systemImage: "person.crop.circle")
+                    }
+                    Button {
+                        dismiss()
+                        appState.path.append(.contactList)
+                    } label: {
+                        Label("Contact List", systemImage: "person.2")
+                    }
+                    Button {
+                        dismiss()
+                        appState.path.append(.relay)
+                    } label: {
+                        Label("Relay Management", systemImage: "globe")
+                    }
+                    Button {
+                        dismiss()
+                        appState.path.append(.settings)
+                    } label: {
+                        Label("Settings", systemImage: "gear")
+                    }
+                }
+
+                Section {
+                    Button(role: .destructive) {
+                        showLogoutConfirm = true
+                    } label: {
+                        Label("Logout", systemImage: "rectangle.portrait.and.arrow.right")
+                            .foregroundStyle(.red)
+                    }
+                }
+            }
+            .navigationTitle("Profile")
+            .navigationBarTitleDisplayMode(.inline)
+            .alert("Logout?", isPresented: $showLogoutConfirm) {
+                Button("Cancel", role: .cancel) {}
+                Button("Logout", role: .destructive) {
+                    dismiss()
+                    appState.logout()
+                }
+            } message: {
+                Text("This will delete all local data. Make sure you have backed up your secret key.")
+            }
+        }
+        .tint(.primary)
+    }
+}

iosApp/iosApp/Views/Home/RelayWarningSheet.swift

@@ -0,0 +1,45 @@
+import SwiftUI
+
+struct RelayWarningSheet: View {
+    @Environment(AppState.self) private var appState
+    @Environment(\.dismiss) private var dismiss
+
+    var body: some View {
+        VStack(spacing: 24) {
+            Image(systemName: "exclamationmark.triangle")
+                .font(.system(size: 48))
+                .foregroundStyle(.orange)
+
+            Text("No Messaging Relays")
+                .font(.title2.bold())
+
+            Text("You don't have any messaging relays configured. You won't be able to receive messages until this is resolved.")
+                .multilineTextAlignment(.center)
+                .foregroundStyle(.secondary)
+
+            VStack(spacing: 12) {
+                Button {
+                    appState.bootstrap.refetchMsgRelays()
+                    dismiss()
+                } label: {
+                    Text("Retry")
+                        .frame(maxWidth: .infinity)
+                }
+                .buttonStyle(.borderedProminent)
+                .controlSize(.large)
+
+                Button {
+                    appState.bootstrap.useDefaultMsgRelayList()
+                    dismiss()
+                } label: {
+                    Text("Use Default")
+                        .frame(maxWidth: .infinity)
+                }
+                .buttonStyle(.bordered)
+                .controlSize(.large)
+            }
+        }
+        .padding(32)
+        .presentationDetents([.medium])
+    }
+}

iosApp/iosApp/Views/Home/RequestListView.swift

@@ -0,0 +1,36 @@
+import SwiftUI
+import Shared
+
+struct RequestListView: View {
+    @Environment(AppState.self) private var appState
+
+    private var requestRooms: [Room] {
+        appState.chatRooms.filter { $0.kind == RoomKind.request }
+    }
+
+    var body: some View {
+        List {
+            ForEach(requestRooms, id: \.id) { room in
+                Button {
+                    appState.path.append(.chat(id: room.id, screening: true))
+                } label: {
+                    RoomRow(room: room)
+                }
+                .tint(.primary)
+            }
+        }
+        .refreshable {
+            appState.bootstrap.refreshChatRooms()
+        }
+        .overlay {
+            if requestRooms.isEmpty {
+                ContentUnavailableView(
+                    "No requests",
+                    systemImage: "tray",
+                    description: Text("New message requests will appear here")
+                )
+            }
+        }
+        .navigationTitle("Requests")
+    }
+}

iosApp/iosApp/Views/Home/RoomRow.swift

@@ -0,0 +1,54 @@
+import SwiftUI
+import Shared
+
+struct RoomRow: View {
+    @Environment(AppState.self) private var appState
+    let room: Room
+    @State private var ui: RoomUiState?
+    @State private var subscription: FlowSubscription?
+
+    var body: some View {
+        HStack(spacing: 12) {
+            AvatarView(name: ui?.name ?? "?", picture: ui?.picture)
+
+            VStack(alignment: .leading, spacing: 2) {
+                Text(ui?.name ?? "Loading...")
+                    .font(.headline)
+                    .lineLimit(1)
+                Text(room.lastMessage ?? "")
+                    .font(.subheadline)
+                    .foregroundStyle(.secondary)
+                    .lineLimit(1)
+            }
+
+            Spacer()
+
+            VStack(alignment: .trailing, spacing: 4) {
+                Text(room.createdAt.ago())
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+                if room.unreadCount > 0 {
+                    Text("\(room.unreadCount)")
+                        .font(.caption2.bold())
+                        .foregroundStyle(.white)
+                        .padding(.horizontal, 6)
+                        .padding(.vertical, 2)
+                        .background(Color.accentColor, in: Capsule())
+                }
+            }
+        }
+        .padding(.vertical, 4)
+        .task {
+            subscription = appState.bootstrap.watchRoomUi(
+                room: room,
+                currentUser: appState.bootstrap.currentPublicKey()
+            ) { state in
+                Task { @MainActor in ui = state }
+            }
+        }
+        .onDisappear {
+            subscription?.cancel()
+            subscription = nil
+        }
+    }
+}

iosApp/iosApp/Views/NewChat/NewChatView.swift

@@ -0,0 +1,190 @@
+import SwiftUI
+import Shared
+
+struct ContactRow: View {
+    @Environment(AppState.self) private var appState
+    let pubkey: Nostr_sdk_kmpPublicKey
+    @State private var profile: Profile?
+    @State private var subscription: FlowSubscription?
+
+    var body: some View {
+        HStack(spacing: 12) {
+            AvatarView(name: profile?.name ?? "?", picture: profile?.picture)
+            VStack(alignment: .leading, spacing: 2) {
+                Text(profile?.name ?? "Loading...")
+                    .font(.headline)
+                    .lineLimit(1)
+                Text(pubkey.short())
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+            }
+            Spacer()
+        }
+        .padding(.vertical, 2)
+        .task {
+            subscription = appState.bootstrap.watchProfile(pubkey: pubkey) { value in
+                Task { @MainActor in profile = value }
+            }
+        }
+        .onDisappear {
+            subscription?.cancel()
+            subscription = nil
+        }
+    }
+}
+
+struct NewChatView: View {
+    @Environment(AppState.self) private var appState
+    @State private var query = ""
+    @State private var searchResults: [Nostr_sdk_kmpPublicKey] = []
+    @State private var searching = false
+    @State private var selected: [Nostr_sdk_kmpPublicKey] = []
+    @State private var showScanner = false
+    @State private var searchTask: Task<Void, Never>?
+
+    private var contacts: [Nostr_sdk_kmpPublicKey] {
+        Array(appState.accountState?.contactList ?? [])
+    }
+
+    var body: some View {
+        List {
+            if !selected.isEmpty {
+                Section("To:") {
+                    ScrollView(.horizontal, showsIndicators: false) {
+                        HStack {
+                            ForEach(selected, id: \.self) { pubkey in
+                                Button {
+                                    selected.removeAll { $0.toHex() == pubkey.toHex() }
+                                } label: {
+                                    Label(pubkey.short(), systemImage: "xmark.circle.fill")
+                                        .font(.subheadline)
+                                        .padding(.horizontal, 10)
+                                        .padding(.vertical, 6)
+                                        .background(Color(.secondarySystemBackground), in: Capsule())
+                                }
+                                .tint(.primary)
+                            }
+                        }
+                    }
+                }
+            }
+
+            if searching {
+                HStack {
+                    Spacer()
+                    ProgressView()
+                    Spacer()
+                }
+            }
+
+            let results = query.isEmpty ? contacts : searchResults
+            Section(query.isEmpty ? "Contacts" : "Results") {
+                ForEach(results, id: \.self) { pubkey in
+                    Button {
+                        openChat(with: pubkey)
+                    } label: {
+                        ContactRow(pubkey: pubkey)
+                    }
+                    .tint(.primary)
+                    .swipeActions(edge: .leading) {
+                        Button {
+                            toggleSelection(pubkey)
+                        } label: {
+                            Label("Select", systemImage: "checkmark.circle")
+                        }
+                        .tint(.accentColor)
+                    }
+                }
+            }
+        }
+        .navigationTitle("New Chat")
+        .searchable(text: $query, prompt: "npub, user@domain, or name")
+        .textInputAutocapitalization(.never)
+        .autocorrectionDisabled()
+        .onChange(of: query) { _, newValue in
+            searchTask?.cancel()
+            searchTask = Task {
+                try? await Task.sleep(for: .milliseconds(500))
+                guard !Task.isCancelled else { return }
+                await performSearch(newValue)
+            }
+        }
+        .toolbar {
+            ToolbarItem(placement: .topBarTrailing) {
+                HStack {
+                    Button {
+                        showScanner = true
+                    } label: {
+                        Image(systemName: "qrcode.viewfinder")
+                    }
+                    if !selected.isEmpty {
+                        Button("Next") {
+                            createGroupChat()
+                        }
+                    }
+                }
+            }
+        }
+        .sheet(isPresented: $showScanner) {
+            ScanView { result in
+                showScanner = false
+                if let pubkey = appState.bootstrap.parsePublicKey(input: result) {
+                    openChat(with: pubkey)
+                } else {
+                    appState.errorMessage = "Invalid public key"
+                }
+            }
+        }
+    }
+
+    private func performSearch(_ value: String) async {
+        let trimmed = value.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard trimmed.count >= 3 else {
+            searchResults = []
+            return
+        }
+
+        searching = true
+        defer { searching = false }
+
+        if trimmed.hasPrefix("npub1") {
+            if let pubkey = appState.bootstrap.parsePublicKey(input: trimmed) {
+                searchResults = [pubkey]
+            }
+        } else if trimmed.contains("@") {
+            if let pubkey = try? await appState.bootstrap.searchByAddress(query: trimmed) {
+                searchResults = [pubkey]
+            } else {
+                searchResults = []
+            }
+        } else {
+            searchResults = (try? await appState.bootstrap.searchByNostr(query: trimmed)) ?? []
+        }
+    }
+
+    private func toggleSelection(_ pubkey: Nostr_sdk_kmpPublicKey) {
+        if let index = selected.firstIndex(where: { $0.toHex() == pubkey.toHex() }) {
+            selected.remove(at: index)
+        } else {
+            selected.append(pubkey)
+        }
+    }
+
+    private func openChat(with pubkey: Nostr_sdk_kmpPublicKey) {
+        do {
+            let roomId = try appState.bootstrap.createChatRoom(recipients: [pubkey])
+            appState.path.append(.chat(id: roomId, screening: false))
+        } catch {
+            appState.errorMessage = error.localizedDescription
+        }
+    }
+
+    private func createGroupChat() {
+        do {
+            let roomId = try appState.bootstrap.createChatRoom(recipients: selected)
+            appState.path.append(.chat(id: roomId, screening: false))
+        } catch {
+            appState.errorMessage = error.localizedDescription
+        }
+    }
+}

iosApp/iosApp/Views/Onboarding/ImportView.swift

@@ -0,0 +1,67 @@
+import SwiftUI
+
+struct ImportView: View {
+    @Environment(AppState.self) private var appState
+    @State private var secret = ""
+    @State private var password = ""
+    @State private var showScanner = false
+
+    private var needsPassword: Bool {
+        secret.trimmingCharacters(in: .whitespacesAndNewlines).hasPrefix("ncryptsec1")
+    }
+
+    private var canImport: Bool {
+        !secret.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty &&
+        (!needsPassword || !password.isEmpty) &&
+        appState.accountState?.isImporting != true
+    }
+
+    var body: some View {
+        Form {
+            Section {
+                HStack {
+                    SecureField("nsec1... or bunker://", text: $secret)
+                        .textInputAutocapitalization(.never)
+                        .autocorrectionDisabled()
+                    Button {
+                        showScanner = true
+                    } label: {
+                        Image(systemName: "qrcode.viewfinder")
+                    }
+                }
+
+                if needsPassword {
+                    SecureField("Decrypt Password", text: $password)
+                }
+            } header: {
+                Text("Secret Key")
+            } footer: {
+                Text("Enter your nsec, ncryptsec (with password), or bunker:// connection string.")
+            }
+        }
+        .navigationTitle("Import Identity")
+        .toolbar {
+            ToolbarItem(placement: .confirmationAction) {
+                Button("Import") {
+                    appState.bootstrap.importIdentity(
+                        secret: secret.trimmingCharacters(in: .whitespacesAndNewlines),
+                        password: needsPassword ? password : nil
+                    )
+                }
+                .disabled(!canImport)
+            }
+        }
+        .overlay {
+            if appState.accountState?.isImporting == true {
+                ProgressView()
+                    .controlSize(.large)
+            }
+        }
+        .sheet(isPresented: $showScanner) {
+            ScanView { result in
+                secret = result
+                showScanner = false
+            }
+        }
+    }
+}

iosApp/iosApp/Views/Onboarding/NewIdentityView.swift

@@ -0,0 +1,20 @@
+import SwiftUI
+
+struct NewIdentityView: View {
+    @Environment(AppState.self) private var appState
+
+    var body: some View {
+        ProfileEditorForm(
+            title: "Create a new identity",
+            confirmLabel: "Continue",
+            isSubmitting: appState.accountState?.isImporting == true
+        ) { name, bio, picture, contentType in
+            appState.bootstrap.createIdentity(
+                name: name,
+                bio: bio,
+                picture: picture,
+                contentType: contentType
+            )
+        }
+    }
+}

iosApp/iosApp/Views/Onboarding/OnboardingView.swift

@@ -0,0 +1,69 @@
+import SwiftUI
+
+private enum OnboardingRoute: Hashable {
+    case newIdentity
+    case importIdentity
+}
+
+struct OnboardingView: View {
+    @State private var path: [OnboardingRoute] = []
+
+    var body: some View {
+        NavigationStack(path: $path) {
+            VStack(spacing: 32) {
+                Spacer()
+
+                Image(systemName: "bubble.left.and.bubble.right.fill")
+                    .font(.system(size: 80))
+                    .foregroundStyle(.tint)
+
+                VStack(spacing: 8) {
+                    Text("Coop")
+                        .font(.largeTitle.bold())
+                    Text("Simple, fast, and reliable nostr messaging")
+                        .font(.subheadline)
+                        .foregroundStyle(.secondary)
+                        .multilineTextAlignment(.center)
+                }
+
+                Spacer()
+
+                VStack(spacing: 12) {
+                    Button {
+                        path.append(.newIdentity)
+                    } label: {
+                        Text("Start Messaging")
+                            .frame(maxWidth: .infinity)
+                    }
+                    .buttonStyle(.borderedProminent)
+                    .controlSize(.large)
+
+                    Button {
+                        path.append(.importIdentity)
+                    } label: {
+                        Text("Add an Existing Identity")
+                            .frame(maxWidth: .infinity)
+                    }
+                    .buttonStyle(.bordered)
+                    .controlSize(.large)
+                }
+                .padding(.horizontal)
+
+                Text("By continuing, you agree to our Terms of Service and Privacy Policy")
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+                    .multilineTextAlignment(.center)
+                    .padding(.horizontal)
+            }
+            .padding()
+            .navigationDestination(for: OnboardingRoute.self) { route in
+                switch route {
+                case .newIdentity:
+                    NewIdentityView()
+                case .importIdentity:
+                    ImportView()
+                }
+            }
+        }
+    }
+}

iosApp/iosApp/Views/Onboarding/ProfileEditorForm.swift

@@ -0,0 +1,103 @@
+import PhotosUI
+import SwiftUI
+import Shared
+
+struct ProfileEditorForm: View {
+    let title: String
+    let confirmLabel: String
+    let initialName: String
+    let initialBio: String
+    let initialPicture: String?
+    let isSubmitting: Bool
+    let onConfirm: (String, String?, KotlinByteArray?, String?) -> Void
+
+    @State private var name: String
+    @State private var bio: String
+    @State private var photoItem: PhotosPickerItem?
+    @State private var photoData: Data?
+    @State private var photoContentType: String?
+
+    init(
+        title: String,
+        confirmLabel: String,
+        initialName: String = "",
+        initialBio: String = "",
+        initialPicture: String? = nil,
+        isSubmitting: Bool = false,
+        onConfirm: @escaping (String, String?, KotlinByteArray?, String?) -> Void
+    ) {
+        self.title = title
+        self.confirmLabel = confirmLabel
+        self.initialName = initialName
+        self.initialBio = initialBio
+        self.initialPicture = initialPicture
+        self.isSubmitting = isSubmitting
+        self.onConfirm = onConfirm
+        _name = State(initialValue: initialName)
+        _bio = State(initialValue: initialBio)
+    }
+
+    var body: some View {
+        Form {
+            Section {
+                HStack {
+                    Spacer()
+                    PhotosPicker(selection: $photoItem, matching: .images) {
+                        if let photoData, let uiImage = UIImage(data: photoData) {
+                            Image(uiImage: uiImage)
+                                .resizable()
+                                .scaledToFill()
+                                .frame(width: 120, height: 120)
+                                .clipShape(Circle())
+                        } else {
+                            AvatarView(name: name.isEmpty ? "?" : name, picture: initialPicture, size: 120)
+                                .overlay(alignment: .bottomTrailing) {
+                                    Image(systemName: "plus.circle.fill")
+                                        .font(.title2)
+                                        .foregroundStyle(.tint)
+                                }
+                        }
+                    }
+                    Spacer()
+                }
+            }
+            .listRowBackground(Color.clear)
+
+            Section {
+                TextField("What others should call you?", text: $name)
+                TextField("Tell others about yourself (optional)", text: $bio, axis: .vertical)
+                    .lineLimit(3...6)
+            }
+
+            Section {
+                Button {
+                    onConfirm(
+                        name.trimmingCharacters(in: .whitespacesAndNewlines),
+                        bio.isEmpty ? nil : bio,
+                        photoData?.toKotlinByteArray(),
+                        photoContentType
+                    )
+                } label: {
+                    HStack {
+                        Spacer()
+                        if isSubmitting {
+                            ProgressView()
+                        } else {
+                            Text(confirmLabel)
+                        }
+                        Spacer()
+                    }
+                }
+                .disabled(name.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty || isSubmitting)
+            }
+        }
+        .navigationTitle(title)
+        .task(id: photoItem) {
+            guard let photoItem else { return }
+            if let data = try? await photoItem.loadTransferable(type: Data.self) {
+                photoData = data
+                photoContentType = photoItem.supportedContentTypes.first?.preferredMIMEType ?? "image/jpeg"
+            }
+        }
+    }
+}

iosApp/iosApp/Views/Profile/MyQrView.swift

@@ -0,0 +1,55 @@
+import CoreImage.CIFilterBuiltins
+import SwiftUI
+
+struct MyQrView: View {
+    @Environment(AppState.self) private var appState
+
+    private var npub: String? {
+        try? appState.bootstrap.currentPublicKey()?.toBech32()
+    }
+
+    var body: some View {
+        VStack(spacing: 24) {
+            Spacer()
+
+            if let npub, let qrImage = generateQrCode(from: npub) {
+                Image(uiImage: qrImage)
+                    .interpolation(.none)
+                    .resizable()
+                    .scaledToFit()
+                    .frame(maxWidth: 280)
+                    .padding()
+                    .background(Color.white, in: RoundedRectangle(cornerRadius: 16))
+
+                Text(npub)
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+                    .multilineTextAlignment(.center)
+                    .padding(.horizontal)
+
+                ShareLink(item: npub) {
+                    Label("Share", systemImage: "square.and.arrow.up")
+                }
+                .buttonStyle(.bordered)
+            } else {
+                ContentUnavailableView("No identity", systemImage: "qrcode")
+            }
+
+            Spacer()
+        }
+        .padding()
+        .navigationTitle("My QR Code")
+        .navigationBarTitleDisplayMode(.inline)
+    }
+
+    private func generateQrCode(from string: String) -> UIImage? {
+        let context = CIContext()
+        let filter = CIFilter.qrCodeGenerator()
+        filter.message = Data(string.utf8)
+        filter.correctionLevel = "M"
+        guard let outputImage = filter.outputImage else { return nil }
+        let scaled = outputImage.transformed(by: CGAffineTransform(scaleX: 10, y: 10))
+        guard let cgImage = context.createCGImage(scaled, from: scaled.extent) else { return nil }
+        return UIImage(cgImage: cgImage)
+    }
+}

iosApp/iosApp/Views/Profile/ProfileView.swift

@@ -0,0 +1,85 @@
+import SwiftUI
+import Shared
+
+struct ProfileView: View {
+    @Environment(AppState.self) private var appState
+
+    let pubkey: String
+
+    @State private var profile: Profile?
+    @State private var subscription: FlowSubscription?
+    @State private var parsedKey: Nostr_sdk_kmpPublicKey?
+
+    private var record: Nostr_sdk_kmpMetadataRecord? {
+        profile?.metadata.asRecord()
+    }
+
+    var body: some View {
+        List {
+            Section {
+                VStack(spacing: 12) {
+                    AvatarView(
+                        name: profile?.name ?? "?",
+                        picture: profile?.picture,
+                        size: 120
+                    )
+                    Text(profile?.name ?? "No name")
+                        .font(.title2.bold())
+                    Text(record?.nip05 ?? parsedKey?.short() ?? "")
+                        .font(.subheadline)
+                        .foregroundStyle(.secondary)
+                }
+                .frame(maxWidth: .infinity)
+                .padding(.vertical)
+            }
+            .listRowBackground(Color.clear)
+
+            Section("Details") {
+                LabeledContent("Username", value: record?.name ?? "None")
+                LabeledContent("Website", value: record?.website ?? "None")
+                LabeledContent("Lightning Address", value: record?.lud16 ?? "None")
+            }
+
+            Section {
+                Button {
+                    openChat()
+                } label: {
+                    Label("Message", systemImage: "message")
+                        .frame(maxWidth: .infinity)
+                }
+                .buttonStyle(.borderedProminent)
+
+                if let npub = try? parsedKey?.toBech32() {
+                    ShareLink(item: npub) {
+                        Label("Share", systemImage: "square.and.arrow.up")
+                            .frame(maxWidth: .infinity)
+                    }
+                    .buttonStyle(.bordered)
+                }
+            }
+            .listRowBackground(Color.clear)
+        }
+        .navigationTitle("Profile")
+        .navigationBarTitleDisplayMode(.inline)
+        .task {
+            parsedKey = appState.bootstrap.parsePublicKey(input: pubkey)
+            guard let parsedKey else { return }
+            subscription = appState.bootstrap.watchProfile(pubkey: parsedKey) { value in
+                Task { @MainActor in profile = value }
+            }
+        }
+        .onDisappear {
+            subscription?.cancel()
+        }
+    }
+
+    private func openChat() {
+        guard let parsedKey else { return }
+        do {
+            let roomId = try appState.bootstrap.createChatRoom(recipients: [parsedKey])
+            appState.path.append(.chat(id: roomId, screening: false))
+        } catch {
+            appState.errorMessage = error.localizedDescription
+        }
+    }
+}

iosApp/iosApp/Views/Profile/UpdateProfileView.swift

@@ -0,0 +1,30 @@
+import SwiftUI
+import Shared
+
+struct UpdateProfileView: View {
+    @Environment(AppState.self) private var appState
+    @Environment(\.dismiss) private var dismiss
+
+    private var record: Nostr_sdk_kmpMetadataRecord? {
+        appState.currentUserProfile?.metadata.asRecord()
+    }
+
+    var body: some View {
+        ProfileEditorForm(
+            title: "Update Profile",
+            confirmLabel: "Save changes",
+            initialName: record?.displayName ?? record?.name ?? "",
+            initialBio: record?.about ?? "",
+            initialPicture: appState.currentUserProfile?.picture,
+            isSubmitting: appState.isUpdatingProfile
+        ) { name, bio, picture, contentType in
+            appState.bootstrap.updateProfile(
+                name: name,
+                bio: bio,
+                picture: picture,
+                contentType: contentType
+            )
+            dismiss()
+        }
+    }
+}

iosApp/iosApp/Views/Scan/ScanView.swift

@@ -0,0 +1,87 @@
+import SwiftUI
+import VisionKit
+
+struct ScanView: View {
+    @Environment(\.dismiss) private var dismiss
+    let onResult: (String) -> Void
+
+    var body: some View {
+        ZStack(alignment: .top) {
+            if DataScannerViewController.isSupported && DataScannerViewController.isAvailable {
+                ScannerRepresentable(onResult: onResult)
+                    .ignoresSafeArea()
+            } else {
+                ContentUnavailableView(
+                    "Scanner unavailable",
+                    systemImage: "camera.fill",
+                    description: Text("This device does not support the data scanner")
+                )
+            }
+
+            VStack {
+                Spacer()
+                RoundedRectangle(cornerRadius: 16)
+                    .strokeBorder(Color.white, lineWidth: 3)
+                    .frame(width: 250, height: 250)
+                    .background(.clear)
+                Spacer()
+            }
+            .allowsHitTesting(false)
+        }
+        .overlay(alignment: .topLeading) {
+            Button {
+                dismiss()
+            } label: {
+                Image(systemName: "xmark.circle.fill")
+                    .font(.title)
+                    .foregroundStyle(.white)
+                    .padding()
+            }
+        }
+    }
+}
+
+private struct ScannerRepresentable: UIViewControllerRepresentable {
+    let onResult: (String) -> Void
+
+    func makeUIViewController(context: Context) -> DataScannerViewController {
+        let scanner = DataScannerViewController(
+            recognizedDataTypes: [.barcode(symbologies: [.qr])],
+            qualityLevel: .balanced,
+            recognizesMultipleItems: false,
+            isHighFrameRateTrackingEnabled: false,
+            isHighlightingEnabled: true
+        )
+        scanner.delegate = context.coordinator
+        try? scanner.startScanning()
+        return scanner
+    }
+
+    func updateUIViewController(_ uiViewController: DataScannerViewController, context: Context) {}
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(onResult: onResult)
+    }
+
+    final class Coordinator: NSObject, DataScannerViewControllerDelegate {
+        let onResult: (String) -> Void
+        private var handled = false
+
+        init(onResult: @escaping (String) -> Void) {
+            self.onResult = onResult
+        }
+
+        func dataScanner(
+            _ dataScanner: DataScannerViewController,
+            didAdd addedItems: [RecognizedItem],
+            allItems: [RecognizedItem]
+        ) {
+            guard !handled,
+                  case .barcode(let barcode) = addedItems.first,
+                  let payload = barcode.payloadStringValue
+            else { return }
+            handled = true
+            onResult(payload)
+        }
+    }
+}

iosApp/iosApp/Views/Settings/RelayView.swift

@@ -0,0 +1,169 @@
+import SwiftUI
+import Shared
+
+private enum RelayRole: String, CaseIterable, Identifiable {
+    case messaging = "Messaging"
+    case inbox = "Inbox"
+    case outbox = "Outbox"
+
+    var id: String { rawValue }
+}
+
+struct RelayView: View {
+    @Environment(AppState.self) private var appState
+    @State private var lists: RelayLists?
+    @State private var subscription: FlowSubscription?
+    @State private var showAddRelay = false
+    @State private var newRelay = ""
+    @State private var newRelayRole = RelayRole.messaging
+    @State private var addError: String?
+
+    var body: some View {
+        List {
+            if let lists {
+                if !lists.messaging.isEmpty {
+                    Section("Messaging Relays") {
+                        ForEach(lists.messaging, id: \.self) { relay in
+                            relayRow(relay)
+                                .swipeActions(edge: .trailing) {
+                                    if lists.messaging.count > 1 {
+                                        Button(role: .destructive) {
+                                            appState.bootstrap.removeMsgRelay(relay: relay.description())
+                                        } label: {
+                                            Label("Remove", systemImage: "trash")
+                                        }
+                                    }
+                                }
+                        }
+                    }
+                }
+
+                if !lists.inbox.isEmpty {
+                    Section("Inbox Relays") {
+                        ForEach(lists.inbox, id: \.self) { relay in
+                            relayRow(relay)
+                                .swipeActions(edge: .trailing) {
+                                    Button(role: .destructive) {
+                                        appState.bootstrap.removeRelay(relay: relay.description())
+                                    } label: {
+                                        Label("Remove", systemImage: "trash")
+                                    }
+                                }
+                        }
+                    }
+                }
+
+                if !lists.outbox.isEmpty {
+                    Section("Outbox Relays") {
+                        ForEach(lists.outbox, id: \.self) { relay in
+                            relayRow(relay)
+                                .swipeActions(edge: .trailing) {
+                                    Button(role: .destructive) {
+                                        appState.bootstrap.removeRelay(relay: relay.description())
+                                    } label: {
+                                        Label("Remove", systemImage: "trash")
+                                    }
+                                }
+                        }
+                    }
+                }
+            } else {
+                HStack {
+                    Spacer()
+                    ProgressView()
+                    Spacer()
+                }
+            }
+        }
+        .navigationTitle("Relays")
+        .toolbar {
+            ToolbarItem(placement: .topBarTrailing) {
+                Button { showAddRelay = true } label: {
+                    Image(systemName: "plus")
+                }
+            }
+        }
+        .sheet(isPresented: $showAddRelay) {
+            NavigationStack {
+                Form {
+                    Section("Relay URL") {
+                        TextField("wss://relay.example.com", text: $newRelay)
+                            .textInputAutocapitalization(.never)
+                            .autocorrectionDisabled()
+                            .keyboardType(.URL)
+                    }
+                    Section("Role") {
+                        Picker("Role", selection: $newRelayRole) {
+                            ForEach(RelayRole.allCases) { role in
+                                Text(role.rawValue).tag(role)
+                            }
+                        }
+                        .pickerStyle(.inline)
+                        .labelsHidden()
+                    }
+                    if let addError {
+                        Section {
+                            Text(addError).foregroundStyle(.red)
+                        }
+                    }
+                }
+                .navigationTitle("Add Relay")
+                .navigationBarTitleDisplayMode(.inline)
+                .toolbar {
+                    ToolbarItem(placement: .cancellationAction) {
+                        Button("Cancel") {
+                            showAddRelay = false
+                            newRelay = ""
+                            addError = nil
+                        }
+                    }
+                    ToolbarItem(placement: .confirmationAction) {
+                        Button("Add") {
+                            addRelay()
+                        }
+                        .disabled(!newRelay.hasPrefix("wss://"))
+                    }
+                }
+            }
+            .presentationDetents([.medium])
+        }
+        .task {
+            appState.bootstrap.loadRelayLists()
+            subscription = appState.bootstrap.watchRelayLists { value in
+                Task { @MainActor in lists = value }
+            }
+        }
+        .onDisappear {
+            subscription?.cancel()
+        }
+    }
+
+    private func relayRow(_ relay: Nostr_sdk_kmpRelayUrl) -> some View {
+        HStack {
+            Image(systemName: "globe")
+                .foregroundStyle(.secondary)
+            Text(relay.description())
+                .font(.subheadline)
+                .lineLimit(1)
+        }
+    }
+
+    private func addRelay() {
+        let url = newRelay.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard url.hasPrefix("wss://") else {
+            addError = "Relay URL must start with wss://"
+            return
+        }
+        switch newRelayRole {
+        case .messaging:
+            appState.bootstrap.addMsgRelay(relay: url)
+        case .inbox:
+            appState.bootstrap.addInboxRelay(relay: url)
+        case .outbox:
+            appState.bootstrap.addOutboxRelay(relay: url)
+        }
+        showAddRelay = false
+        newRelay = ""
+        addError = nil
+    }
+}

iosApp/iosApp/Views/Settings/SettingsView.swift

@@ -0,0 +1,71 @@
+import SwiftUI
+import Shared
+
+struct SettingsView: View {
+    @Environment(AppState.self) private var appState
+    @State private var blossomServer = ""
+
+    private var settings: Settings? {
+        appState.settings
+    }
+
+    var body: some View {
+        Form {
+            Section("General") {
+                Toggle("Filter unknown contacts", isOn: Binding(
+                    get: { settings?.screening == true },
+                    set: { appState.bootstrap.setScreening(enabled: $0) }
+                ))
+
+                Picker("Media Preview", selection: Binding(
+                    get: { settings?.media ?? MediaConfig.alwaysenabled },
+                    set: { appState.bootstrap.setMediaConfig(media: $0) }
+                )) {
+                    Text("Disabled").tag(MediaConfig.disabled)
+                    Text("Disabled for Mobile Data").tag(MediaConfig.disabledformobiledata)
+                    Text("Always Enabled").tag(MediaConfig.alwaysenabled)
+                }
+
+                HStack {
+                    Text("Blossom Server")
+                    Spacer()
+                    TextField("https://blossom.band", text: $blossomServer)
+                        .multilineTextAlignment(.trailing)
+                        .textInputAutocapitalization(.never)
+                        .autocorrectionDisabled()
+                        .keyboardType(.URL)
+                        .foregroundStyle(.secondary)
+                        .onSubmit {
+                            appState.bootstrap.setBlossomServer(
+                                url: blossomServer.isEmpty ? nil : blossomServer
+                            )
+                        }
+                }
+
+                Button {
+                    if let url = URL(string: UIApplication.openSettingsURLString) {
+                        UIApplication.shared.open(url)
+                    }
+                } label: {
+                    Label("Notifications", systemImage: "bell")
+                }
+                .tint(.primary)
+            }
+
+            Section("Appearance") {
+                Picker("Theme", selection: Binding(
+                    get: { settings?.theme ?? Theme.system },
+                    set: { appState.bootstrap.setTheme(theme: $0) }
+                )) {
+                    Text("Light").tag(Theme.light)
+                    Text("Dark").tag(Theme.dark)
+                    Text("System").tag(Theme.system)
+                }
+            }
+        }
+        .navigationTitle("Settings")
+        .onAppear {
+            blossomServer = settings?.blossomServer ?? ""
+        }
+    }
+}

iosApp/iosApp/iOSApp.swift

@@ -2,9 +2,22 @@ import SwiftUI
 
 @main
 struct iOSApp: App {
+    @State private var appState = AppState()
+
     var body: some Scene {
         WindowGroup {
             ContentView()
+                .environment(appState)
+                .onAppear {
+                    appState.start()
+                    NotificationService.shared.requestPermissionIfNeeded()
+                    NotificationService.shared.onOpenChat = { roomId in
+                        appState.path.append(.chat(id: roomId, screening: false))
+                    }
+                }
+                .onOpenURL { url in
+                    appState.handle(url)
+                }
         }
     }
-}
+}