update

iosApp/iosApp/App/AppState.swift

@@ -1,10 +1,11 @@
 import Foundation
 import Shared
+import UIKit
 
 @MainActor
 @Observable
 final class AppState {
-    let bootstrap: IosBootstrap
+    let bootstrap: Bootstrap
 
     private var subscriptions: [FlowSubscription] = []
 
@@ -22,7 +23,7 @@ final class AppState {
     let networkMonitor = NetworkMonitor()
 
     init() {
-        bootstrap = IosBootstrap.companion.create(storage: IosAppStorage())
+        bootstrap = Bootstrap.companion.create(storage: KeychainStorage())
     }
 
     func start() {
@@ -84,6 +85,18 @@ final class AppState {
         path = []
     }
 
+    func resume() {
+        Task { try? await bootstrap.resume() }
+    }
+
+    func pause() {
+        let taskId = UIApplication.shared.beginBackgroundTask()
+        Task {
+            try? await bootstrap.pause()
+            UIApplication.shared.endBackgroundTask(taskId)
+        }
+    }
+
     private func handleNewMessage(_ event: Nostr_sdk_kmpUnsignedEvent) {
         NotificationService.shared.notifyNewMessage(roomId: event.roomId(), content: event.content())
     }

iosApp/iosApp/Services/KeychainStorage.swift

@@ -2,7 +2,7 @@ import Foundation
 import Security
 import Shared
 
-final class IosAppStorage: AppStorage {
+final class KeychainStorage: AppStorage {
     private let defaults = UserDefaults.standard
     private let service = "su.reya.coop"
 

iosApp/iosApp/Views/Chat/ChatView.swift

@@ -12,12 +12,16 @@ struct ChatView: View {
     @State private var viewModel: ChatViewModel?
     @State private var input = ""
     @State private var photoItem: PhotosPickerItem?
-    @State private var authorNames: [String: String] = [:]
+    @State private var authorProfiles: [String: Profile] = [:]
 
     private var showScreener: Bool {
         (viewModel?.requireScreening ?? false) && appState.settings?.screening == true
     }
 
+    private var isGroup: Bool {
+        viewModel?.room?.isGroup() == true
+    }
+
     var body: some View {
         VStack(spacing: 0) {
             messageList
@@ -32,7 +36,6 @@ struct ChatView: View {
                 inputBar
             }
         }
-        .navigationTitle(viewModel?.roomUi?.name ?? "Chat")
         .navigationBarTitleDisplayMode(.inline)
         .toolbar {
             ToolbarItem(placement: .principal) {
@@ -44,7 +47,7 @@ struct ChatView: View {
                             AvatarView(
                                 name: viewModel?.roomUi?.name ?? "?",
                                 picture: viewModel?.roomUi?.picture,
-                                size: 28
+                                size: 30
                             )
                             Text(viewModel?.roomUi?.name ?? "Chat")
                                 .font(.caption)
@@ -75,33 +78,31 @@ struct ChatView: View {
 
     private var messageList: some View {
         ScrollView {
-            LazyVStack(spacing: 8) {
+            LazyVStack(spacing: 2) {
                 ForEach(groupedMessages, id: \.0) { group, messages in
-                    Text(group)
+                    Text(headerTitle(group: group, first: messages.first))
-                        .font(.caption)
+                        .font(.caption2)
                         .foregroundStyle(.secondary)
-                        .padding(.vertical, 8)
+                        .frame(maxWidth: .infinity, alignment: .center)
+                        .padding(.vertical, 14)
 
-                    ForEach(messages, id: \.stableId) { event in
+                    ForEach(Array(messages.enumerated()), id: \.element.stableId) { index, event in
-                        let isMine = event.author().toHex() == appState.bootstrap.currentPublicKey()?.toHex()
+                        messageCell(event: event, at: index, in: messages)
-                        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 }
-                        )
                     }
                 }
+
+                if let last = viewModel?.messages.last, isMine(last) {
+                    Text("Delivered")
+                        .font(.caption2)
+                        .foregroundStyle(.secondary)
+                        .frame(maxWidth: .infinity, alignment: .trailing)
+                        .padding(.top, 2)
                 }
-            .padding(.horizontal)
+            }
+            .padding(.horizontal, 12)
         }
         .defaultScrollAnchor(.bottom)
+        .scrollDismissesKeyboard(.interactively)
         .overlay {
             if viewModel?.loading == true {
                 ProgressView()
@@ -109,8 +110,42 @@ struct ChatView: View {
         }
     }
 
+    @ViewBuilder
+    private func messageCell(
+        event: Nostr_sdk_kmpUnsignedEvent,
+        at index: Int,
+        in messages: [Nostr_sdk_kmpUnsignedEvent]
+    ) -> some View {
+        let mine = isMine(event)
+        let authorHex = event.author().toHex()
+        let nextIsSameAuthor = index + 1 < messages.count &&
+            messages[index + 1].author().toHex() == authorHex
+        let prevIsSameAuthor = index > 0 &&
+            messages[index - 1].author().toHex() == authorHex
+        let replyId = event.tags().eventIds().first
+        let replied = replyId.flatMap { id in
+            viewModel?.messages.first { $0.id()?.toHex() == id.toHex() }
+        }
+
+        MessageBubble(
+            event: event,
+            isMine: mine,
+            showImages: showImages,
+            isFirstOfRun: !prevIsSameAuthor,
+            isLastOfRun: !nextIsSameAuthor,
+            showAuthorName: isGroup && !mine && !prevIsSameAuthor,
+            showAuthorAvatar: isGroup && !mine,
+            authorName: authorName(for: event),
+            authorPicture: authorProfiles[authorHex]?.picture,
+            repliedMessage: replied,
+            repliedAuthorName: replied.flatMap { authorName(for: $0) },
+            onReply: { viewModel?.replyingTo = event }
+        )
+        .padding(.bottom, nextIsSameAuthor ? 0 : 8)
+    }
+
     private var inputBar: some View {
-        VStack(spacing: 8) {
+        VStack(spacing: 0) {
             if let replyingTo = viewModel?.replyingTo {
                 HStack(spacing: 8) {
                     RoundedRectangle(cornerRadius: 2)
@@ -132,37 +167,47 @@ struct ChatView: View {
                             .foregroundStyle(.secondary)
                     }
                 }
-                .padding(.horizontal)
+                .padding(.horizontal, 16)
-                .padding(.top, 8)
+                .padding(.vertical, 8)
+                .background(.bar)
             }
 
-            HStack(spacing: 12) {
+            HStack(alignment: .bottom, spacing: 10) {
                 PhotosPicker(selection: $photoItem, matching: .images) {
-                    Image(systemName: "plus.circle.fill")
+                    Image(systemName: "plus")
-                        .font(.title2)
+                        .font(.system(size: 18, weight: .medium))
-                        .foregroundStyle(.tint)
+                        .foregroundStyle(.secondary)
+                        .frame(width: 34, height: 34)
+                        .background(Color(.secondarySystemFill), in: Circle())
                 }
 
                 TextField("Message", text: $input, axis: .vertical)
-                    .lineLimit(1...5)
+                    .lineLimit(1...6)
-                    .padding(.horizontal, 12)
+                    .padding(.horizontal, 14)
                     .padding(.vertical, 8)
-                    .background(Color(.secondarySystemBackground), in: Capsule())
+                    .background {
+                        Capsule()
+                            .strokeBorder(Color(.systemGray4), lineWidth: 1)
+                    }
 
+                if !input.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
                     Button {
+                        UIImpactFeedbackGenerator(style: .light).impactOccurred()
                         viewModel?.send(input, appState: appState)
                         input = ""
                     } label: {
                         Image(systemName: "arrow.up.circle.fill")
-                        .font(.title2)
+                            .font(.system(size: 32))
-                        .foregroundStyle(input.isEmpty ? Color(.systemGray3) : Color.accentColor)
+                            .foregroundStyle(Color(.systemBlue))
                     }
-                .disabled(input.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
+                    .transition(.scale.combined(with: .opacity))
                 }
-            .padding(.horizontal)
+            }
+            .padding(.horizontal, 12)
             .padding(.vertical, 8)
-        }
             .background(.bar)
+            .animation(.snappy(duration: 0.2), value: input.isEmpty)
+        }
     }
 
     private var groupedMessages: [(String, [Nostr_sdk_kmpUnsignedEvent])] {
@@ -182,6 +227,11 @@ struct ChatView: View {
         return groups
     }
 
+    private func headerTitle(group: String, first: Nostr_sdk_kmpUnsignedEvent?) -> String {
+        guard let first else { return group }
+        return "\(group) \(first.createdAt().formatAsTime())"
+    }
+
     private var showImages: Bool {
         guard let media = appState.settings?.media else { return true }
         switch media {
@@ -194,6 +244,10 @@ struct ChatView: View {
         }
     }
 
+    private func isMine(_ event: Nostr_sdk_kmpUnsignedEvent) -> Bool {
+        event.author().toHex() == appState.bootstrap.currentPublicKey()?.toHex()
+    }
+
     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
@@ -204,21 +258,19 @@ struct ChatView: View {
         if hex == appState.bootstrap.currentPublicKey()?.toHex() {
             return appState.currentUserProfile?.name ?? "You"
         }
-        if let cached = authorNames[hex] {
+        if let profile = authorProfiles[hex] {
-            return cached
+            return profile.name
         }
-        let short = event.author().short()
+        loadAuthorProfile(pubkey: event.author(), hex: hex)
-        loadAuthorName(pubkey: event.author(), hex: hex)
+        return event.author().short()
-        return short
     }
 
-    private func loadAuthorName(pubkey: Nostr_sdk_kmpPublicKey, hex: String) {
+    private func loadAuthorProfile(pubkey: Nostr_sdk_kmpPublicKey, hex: String) {
-        guard authorNames[hex] == nil else { return }
+        guard authorProfiles[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
+                    authorProfiles[hex] = profile
                 }
             }
         }

iosApp/iosApp/Views/Chat/MessageBubble.swift

@@ -5,6 +5,12 @@ struct MessageBubble: View {
     let event: Nostr_sdk_kmpUnsignedEvent
     let isMine: Bool
     let showImages: Bool
+    let isFirstOfRun: Bool
+    let isLastOfRun: Bool
+    let showAuthorName: Bool
+    let showAuthorAvatar: Bool
+    let authorName: String?
+    let authorPicture: String?
     let repliedMessage: Nostr_sdk_kmpUnsignedEvent?
     let repliedAuthorName: String?
     let onReply: () -> Void
@@ -24,26 +30,23 @@ struct MessageBubble: View {
     }
 
     var body: some View {
-        HStack {
+        HStack(alignment: .bottom, spacing: 6) {
-            if isMine { Spacer(minLength: 40) }
+            if isMine {
+                Spacer(minLength: 48)
+            } else {
+                avatarGutter
+            }
 
-            VStack(alignment: isMine ? .trailing : .leading, spacing: 4) {
+            VStack(alignment: isMine ? .trailing : .leading, spacing: 2) {
-                if let repliedMessage {
+                if showAuthorName, let authorName {
-                    HStack(spacing: 6) {
+                    Text(authorName)
-                        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(.leading, 16)
                 }
-                    }
+
-                    .padding(8)
+                if let repliedMessage {
-                    .background(.black.opacity(0.08), in: RoundedRectangle(cornerRadius: 8))
+                    replyPreview(repliedMessage)
                 }
 
                 ForEach(imageUrls, id: \.absoluteString) { url in
@@ -60,26 +63,30 @@ struct MessageBubble: View {
                         }
                     }
                     .frame(maxWidth: 260)
-                    .clipShape(RoundedRectangle(cornerRadius: 12))
+                    .clipShape(RoundedRectangle(cornerRadius: 14, style: .continuous))
                 }
 
                 if !text.isEmpty {
                     Text(text)
-                        .padding(.horizontal, 12)
+                        .padding(.horizontal, 14)
                         .padding(.vertical, 8)
-                        .background(
-                            isMine ? Color.accentColor : Color(.secondarySystemBackground),
-                            in: BubbleShape(isMine: isMine)
-                        )
                         .foregroundStyle(isMine ? .white : .primary)
+                        .background(
+                            isMine ? Color(.systemBlue) : Color(.systemGray5),
+                            in: BubbleShape(isMine: isMine, tail: isLastOfRun)
+                        )
                 }
 
                 if showTimestamp {
                     Text(event.createdAt().formatAsTime())
                         .font(.caption2)
                         .foregroundStyle(.secondary)
+                        .padding(.horizontal, 16)
                 }
             }
+
+            if !isMine { Spacer(minLength: 48) }
+        }
         .contentShape(Rectangle())
         .onTapGesture {
             withAnimation(.easeInOut(duration: 0.15)) {
@@ -98,28 +105,73 @@ struct MessageBubble: View {
                 Label("Reply", systemImage: "arrowshape.turn.up.left")
             }
         }
-
-            if !isMine { Spacer(minLength: 40) }
     }
+
+    @ViewBuilder
+    private var avatarGutter: some View {
+        if isLastOfRun, showAuthorAvatar {
+            AvatarView(name: authorName ?? "?", picture: authorPicture, size: 26)
+        } else {
+            Color.clear.frame(width: 26, height: 26)
+        }
+    }
+
+    private func replyPreview(_ replied: Nostr_sdk_kmpUnsignedEvent) -> some View {
+        VStack(alignment: .leading, spacing: 1) {
+            Text(repliedAuthorName ?? "Unknown")
+                .font(.caption2.bold())
+            Text(replied.content())
+                .font(.caption)
+                .lineLimit(2)
+                .foregroundStyle(.secondary)
+        }
+        .padding(.horizontal, 12)
+        .padding(.vertical, 6)
+        .background(
+            isMine ? Color(.systemBlue).opacity(0.7) : Color(.systemGray4),
+            in: RoundedRectangle(cornerRadius: 12, style: .continuous)
+        )
+        .foregroundStyle(isMine ? .white : .primary)
+        .padding(.horizontal, 4)
     }
 }
 
 struct BubbleShape: Shape {
     let isMine: Bool
+    let tail: Bool
 
     func path(in rect: CGRect) -> Path {
-        let radius: CGFloat = 16
+        let radius: CGFloat = 18
-        let tail: CGFloat = 4
+        let small: CGFloat = tail ? 4 : radius
-        let corners: UIRectCorner = isMine
-            ? [.topLeft, .topRight, .bottomLeft]
-            : [.topLeft, .topRight, .bottomRight]
 
-        let path = UIBezierPath(
+        let topLeft: CGFloat = radius
-            roundedRect: rect,
+        let topRight: CGFloat = radius
-            byRoundingCorners: corners,
+        let bottomLeft: CGFloat = isMine ? radius : small
-            cornerRadii: CGSize(width: radius, height: radius)
+        let bottomRight: CGFloat = isMine ? small : radius
+
+        var path = Path()
+        path.move(to: CGPoint(x: rect.minX + topLeft, y: rect.minY))
+        path.addLine(to: CGPoint(x: rect.maxX - topRight, y: rect.minY))
+        path.addArc(
+            center: CGPoint(x: rect.maxX - topRight, y: rect.minY + topRight),
+            radius: topRight, startAngle: .degrees(-90), endAngle: .degrees(0), clockwise: false
         )
-        _ = tail
+        path.addLine(to: CGPoint(x: rect.maxX, y: rect.maxY - bottomRight))
-        return Path(path.cgPath)
+        path.addArc(
+            center: CGPoint(x: rect.maxX - bottomRight, y: rect.maxY - bottomRight),
+            radius: bottomRight, startAngle: .degrees(0), endAngle: .degrees(90), clockwise: false
+        )
+        path.addLine(to: CGPoint(x: rect.minX + bottomLeft, y: rect.maxY))
+        path.addArc(
+            center: CGPoint(x: rect.minX + bottomLeft, y: rect.maxY - bottomLeft),
+            radius: bottomLeft, startAngle: .degrees(90), endAngle: .degrees(180), clockwise: false
+        )
+        path.addLine(to: CGPoint(x: rect.minX, y: rect.minY + topLeft))
+        path.addArc(
+            center: CGPoint(x: rect.minX + topLeft, y: rect.minY + topLeft),
+            radius: topLeft, startAngle: .degrees(180), endAngle: .degrees(270), clockwise: false
+        )
+        path.closeSubpath()
+        return path
     }
 }

iosApp/iosApp/Views/Home/HomeView.swift

@@ -4,7 +4,6 @@ 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] {
@@ -25,31 +24,32 @@ struct HomeView: View {
                 Button {
                     appState.path.append(.requestList)
                 } label: {
-                    HStack(spacing: 12) {
+                    HStack(spacing: 10) {
+                        Circle()
+                            .fill(requestUnread > 0 ? Color.accentColor : .clear)
+                            .frame(width: 10, height: 10)
+
                         Image(systemName: "tray.full")
                             .font(.title2)
-                            .foregroundStyle(.tint)
+                            .foregroundStyle(.secondary)
-                            .frame(width: 44)
+                            .frame(width: 48, height: 48)
+                            .background(Color(.secondarySystemFill), in: Circle())
 
-                        VStack(alignment: .leading, spacing: 2) {
+                        VStack(alignment: .leading, spacing: 3) {
-                            Text("New Requests")
+                            Text("Message Requests")
-                                .font(.headline)
+                                .font(.body.weight(requestUnread > 0 ? .semibold : .regular))
-                            Text("\(requestRooms.count) request\(requestRooms.count == 1 ? "" : "s")")
+                            Text("\(requestRooms.count)")
                                 .font(.subheadline)
                                 .foregroundStyle(.secondary)
                         }
 
                         Spacer()
 
-                        if requestUnread > 0 {
+                        Image(systemName: "chevron.right")
-                            Text("\(requestUnread)")
+                            .font(.caption.weight(.semibold))
-                                .font(.caption2.bold())
+                            .foregroundStyle(Color(.systemGray3))
-                                .foregroundStyle(.white)
-                                .padding(.horizontal, 6)
-                                .padding(.vertical, 2)
-                                .background(Color.accentColor, in: Capsule())
-                        }
                     }
+                    .padding(.vertical, 4)
                 }
                 .tint(.primary)
             }
@@ -72,75 +72,42 @@ struct HomeView: View {
                 ProgressView()
             } else if appState.chatRooms.isEmpty {
                 ContentUnavailableView(
-                    "No chats yet",
+                    "No Messages",
                     systemImage: "bubble.left.and.bubble.right",
-                    description: Text("Start a new chat to begin messaging")
+                    description: Text("Start a new conversation")
                 )
             }
         }
         .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
+                        size: 30
                     )
                 }
             }
+            ToolbarItem(placement: .topBarTrailing) {
+                HStack(spacing: 16) {
+                    if appState.isSyncing {
+                        ProgressView().controlSize(.small)
                     }
-        .safeAreaInset(edge: .bottom) {
                     Button {
                         appState.path.append(.newChat)
                     } label: {
-                Label("New Chat", systemImage: "square.and.pencil")
+                        Image(systemName: "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()
         }

iosApp/iosApp/Views/Home/RoomRow.swift

@@ -7,34 +7,37 @@ struct RoomRow: View {
     @State private var ui: RoomUiState?
     @State private var subscription: FlowSubscription?
 
-    var body: some View {
+    private var unread: Bool { room.unreadCount > 0 }
-        HStack(spacing: 12) {
-            AvatarView(name: ui?.name ?? "?", picture: ui?.picture)
 
-            VStack(alignment: .leading, spacing: 2) {
+    var body: some View {
+        HStack(spacing: 10) {
+            Circle()
+                .fill(unread ? Color.accentColor : .clear)
+                .frame(width: 10, height: 10)
+
+            AvatarView(name: ui?.name ?? "?", picture: ui?.picture, size: 48)
+
+            VStack(alignment: .leading, spacing: 3) {
+                HStack(alignment: .firstTextBaseline) {
                     Text(ui?.name ?? "Loading...")
-                    .font(.headline)
+                        .font(.body.weight(unread ? .semibold : .regular))
                         .lineLimit(1)
-                Text(room.lastMessage ?? "")
-                    .font(.subheadline)
-                    .foregroundStyle(.secondary)
-                    .lineLimit(1)
-            }
 
                     Spacer()
 
-            VStack(alignment: .trailing, spacing: 4) {
                     Text(room.createdAt.ago())
-                    .font(.caption)
+                        .font(.subheadline)
                         .foregroundStyle(.secondary)
-                if room.unreadCount > 0 {
+
-                    Text("\(room.unreadCount)")
+                    Image(systemName: "chevron.right")
-                        .font(.caption2.bold())
+                        .font(.caption.weight(.semibold))
-                        .foregroundStyle(.white)
+                        .foregroundStyle(Color(.systemGray3))
-                        .padding(.horizontal, 6)
-                        .padding(.vertical, 2)
-                        .background(Color.accentColor, in: Capsule())
                 }
+
+                Text(room.lastMessage ?? "")
+                    .font(.subheadline.weight(unread ? .semibold : .regular))
+                    .foregroundStyle(unread ? .primary : .secondary)
+                    .lineLimit(2)
             }
         }
         .padding(.vertical, 4)

iosApp/iosApp/iOSApp.swift

@@ -3,6 +3,7 @@ import SwiftUI
 @main
 struct iOSApp: App {
     @State private var appState = AppState()
+    @Environment(\.scenePhase) private var scenePhase
 
     var body: some Scene {
         WindowGroup {
@@ -18,6 +19,16 @@ struct iOSApp: App {
                 .onOpenURL { url in
                     appState.handle(url)
                 }
+                .onChange(of: scenePhase) { _, phase in
+                    switch phase {
+                    case .active:
+                        appState.resume()
+                    case .background:
+                        appState.pause()
+                    default:
+                        break
+                    }
+                }
         }
     }
 }

shared/src/iosMain/kotlin/su/reya/coop/Bootstrap.kt

@@ -10,9 +10,13 @@ import kotlinx.coroutines.flow.merge
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.suspendCancellableCoroutine
 import rust.nostr.sdk.EventId
+import rust.nostr.sdk.Filter
+import rust.nostr.sdk.Kind
+import rust.nostr.sdk.KindStandard
 import rust.nostr.sdk.PublicKey
 import rust.nostr.sdk.RelayMetadata
 import rust.nostr.sdk.RelayUrl
+import rust.nostr.sdk.ReqTarget
 import rust.nostr.sdk.Timestamp
 import rust.nostr.sdk.UnsignedEvent
 import su.reya.coop.nostr.Nostr
@@ -37,7 +41,7 @@ data class RelayLists(
     val outbox: List<RelayUrl>,
 )
 
-class IosBootstrap private constructor(
+class Bootstrap private constructor(
     val scope: CoroutineScope,
     val nostr: Nostr,
     val settingsRepository: SettingsRepository,
@@ -46,7 +50,7 @@ class IosBootstrap private constructor(
     val profileCache: ProfileCache,
 ) {
     companion object {
-        fun create(storage: AppStorage): IosBootstrap {
+        fun create(storage: AppStorage): Bootstrap {
             val scope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
             val nostr = NostrManager.instance
             val settingsRepository = SettingsRepository(storage, scope)
@@ -61,7 +65,7 @@ class IosBootstrap private constructor(
             )
             val chatRepository = ChatRepository(nostr, mediaRepository, settingsRepository, scope)
             val profileCache = ProfileCache(nostr)
-            return IosBootstrap(
+            return Bootstrap(
                 scope = scope,
                 nostr = nostr,
                 settingsRepository = settingsRepository,
@@ -73,11 +77,23 @@ class IosBootstrap private constructor(
     }
 
     private var notificationsJob: Job? = null
+    private var dbPath: String? = null
+    private var onNewMessage: ((UnsignedEvent) -> Unit)? = null
+
     fun start(dbPath: String, onNewMessage: (UnsignedEvent) -> Unit) {
+        this.dbPath = dbPath
+        this.onNewMessage = onNewMessage
+        startNotificationLoop()
+    }
+
+    private fun startNotificationLoop() {
         if (notificationsJob?.isActive == true) return
+        val path = dbPath ?: return
+        val messageCallback = onNewMessage ?: return
+
         notificationsJob = scope.launch {
             runCatching {
-                nostr.init(dbPath)
+                nostr.init(path)
                 nostr.connectBootstrapRelays()
                 nostr.handleNotifications(
                     onMetadataUpdate = { pubkey, metadata ->
@@ -88,7 +104,7 @@ class IosBootstrap private constructor(
                     },
                     onNewMessage = { event ->
                         nostr.emitNewEvent(event)
-                        onNewMessage(event)
+                        messageCallback(event)
                     },
                 )
             }.onFailure {
@@ -97,6 +113,33 @@ class IosBootstrap private constructor(
         }
     }
 
+    suspend fun resume() {
+        startNotificationLoop()
+        nostr.waitUntilInitialized()
+        nostr.client?.connect()
+
+        val pubkey = nostr.signer.publicKeyFlow.value ?: return
+
+        runCatching { nostr.profiles.getUserMetadata() }
+
+        val relays = nostr.relays.getMsgRelays(pubkey)
+        if (relays.isEmpty()) return
+
+        relays.forEach { relay ->
+            nostr.client?.addRelay(relay)
+            nostr.client?.connectRelay(relay)
+        }
+
+        nostr.messages.updateSyncState { it.copy(isSyncing = true) }
+        val filter = Filter().kind(Kind.fromStd(KindStandard.GIFT_WRAP)).pubkey(pubkey)
+        val target = relays.associateWith { listOf(filter) }
+        nostr.client?.subscribe(target = ReqTarget.manual(target), id = "gift-wraps")
+    }
+
+    suspend fun pause() {
+        nostr.client?.disconnect()
+    }
+
     private fun <T> Flow<T>.watch(onEach: (T) -> Unit): FlowSubscription {
         val job = scope.launch(Dispatchers.Main) { collect { onEach(it) } }
         return FlowSubscription(job)