feat(ios): replace profile tab with search tab, add avatar button opening account sheet

ios/LibNovel/LibNovel/App/RootTabView.swift

@@ -13,7 +13,7 @@ struct RootTabView: View {
     @State private var fullPlayerDragOffset: CGFloat = 0
 
     enum Tab: Hashable {
-        case home, library, browse, profile
+        case home, library, browse, search
     }
 
     /// Height of the mini player bar (progress line 2pt + vertical padding 20pt + content ~44pt)
@@ -34,9 +34,9 @@ struct RootTabView: View {
                     .tabItem { Label("Discover", systemImage: "sparkles") }
                     .tag(Tab.browse)
 
-                ProfileView()
-                    .tabItem { Label("Profile", systemImage: "gear") }
-                    .tag(Tab.profile)
+                SearchView()
+                    .tabItem { Label("Search", systemImage: "magnifyingglass") }
+                    .tag(Tab.search)
             }
             // Reserve space for the mini-player above the tab bar so scroll content
             // never slides beneath it.

ios/LibNovel/LibNovel/Views/Browse/BrowseView.swift

@@ -92,6 +92,11 @@ struct BrowseView: View {
             }
             .navigationTitle("Discover")
             .appNavigationDestination()
+            .toolbar {
+                ToolbarItem(placement: .topBarTrailing) {
+                    AvatarToolbarButton()
+                }
+            }
             .sheet(isPresented: $showFilters) {
                 BrowseFiltersView(vm: vm)
             }

ios/LibNovel/LibNovel/Views/Home/HomeView.swift

@@ -86,6 +86,11 @@ struct HomeView: View {
             .refreshable { await vm.load() }
             .task { await vm.load() }
             .errorAlert($vm.error)
+            .toolbar {
+                ToolbarItem(placement: .topBarTrailing) {
+                    AvatarToolbarButton()
+                }
+            }
         }
     }
 }

ios/LibNovel/LibNovel/Views/Library/LibraryView.swift

@@ -220,6 +220,11 @@ struct LibraryView: View {
             .refreshable { await vm.load() }
             .task { await vm.load() }
             .errorAlert($vm.error)
+            .toolbar {
+                ToolbarItem(placement: .topBarTrailing) {
+                    AvatarToolbarButton()
+                }
+            }
         }
     }
 

ios/LibNovel/LibNovel/Views/Profile/AccountMenuSheet.swift

@@ -0,0 +1,341 @@
+import SwiftUI
+import PhotosUI
+import Kingfisher
+
+// MARK: - AvatarNavButton
+// Drop this into any NavigationStack toolbar to get an avatar button that opens the account sheet.
+//
+// Usage:
+//   .toolbar { AvatarToolbarButton() }
+
+struct AvatarToolbarButton: View {
+    @EnvironmentObject private var authStore: AuthStore
+    @State private var showAccount = false
+
+    var body: some View {
+        Button {
+            showAccount = true
+        } label: {
+            AvatarThumb(urlString: authStore.user?.avatarURL, size: 30)
+        }
+        .sheet(isPresented: $showAccount) {
+            AccountMenuSheet()
+        }
+    }
+}
+
+// MARK: - AvatarThumb
+// Reusable small circular avatar (used by both toolbar button and the sheet header).
+
+struct AvatarThumb: View {
+    let urlString: String?
+    let size: CGFloat
+
+    var body: some View {
+        Group {
+            if let str = urlString, let url = URL(string: str) {
+                KFImage(url)
+                    .placeholder { placeholderCircle }
+                    .resizable()
+                    .scaledToFill()
+            } else {
+                placeholderCircle
+            }
+        }
+        .frame(width: size, height: size)
+        .clipShape(Circle())
+        .overlay(Circle().stroke(Color.amber.opacity(0.6), lineWidth: 1.5))
+    }
+
+    private var placeholderCircle: some View {
+        Circle()
+            .fill(Color(.systemGray4))
+            .overlay(
+                Image(systemName: "person.fill")
+                    .font(.system(size: size * 0.5))
+                    .foregroundStyle(Color.amber)
+            )
+    }
+}
+
+// MARK: - AccountMenuSheet
+
+struct AccountMenuSheet: View {
+    @EnvironmentObject private var authStore: AuthStore
+    @StateObject private var vm = ProfileViewModel()
+    @Environment(\.dismiss) private var dismiss
+
+    @State private var showChangePassword = false
+
+    // Avatar upload
+    @State private var photoPickerItem: PhotosPickerItem?
+    @State private var pendingCropImage: UIImage?
+    @State private var avatarURL: String? = nil
+    @State private var avatarUploading = false
+    @State private var avatarError: String?
+
+    var body: some View {
+        NavigationStack {
+            List {
+                // ── User header ────────────────────────────────────────────
+                Section {
+                    HStack(spacing: 16) {
+                        avatarPicker
+                        VStack(alignment: .leading, spacing: 3) {
+                            Text(authStore.user?.username ?? "")
+                                .font(.headline)
+                            Text(authStore.user?.role.capitalized ?? "")
+                                .font(.caption)
+                                .foregroundStyle(.secondary)
+                            if let err = avatarError {
+                                Text(err)
+                                    .font(.caption2)
+                                    .foregroundStyle(.red)
+                            }
+                        }
+                    }
+                    .padding(.vertical, 6)
+                }
+
+                // ── Reading settings ───────────────────────────────────────
+                Section("Reading Settings") {
+                    voicePicker
+                    speedSlider
+                    Toggle("Auto-advance chapter", isOn: Binding(
+                        get: { authStore.settings.autoNext },
+                        set: { newVal in
+                            Task {
+                                var s = authStore.settings
+                                s.autoNext = newVal
+                                await authStore.saveSettings(s)
+                            }
+                        }
+                    ))
+                    .tint(.amber)
+                }
+
+                // ── Sessions ───────────────────────────────────────────────
+                Section("Active Sessions") {
+                    if vm.sessionsLoading {
+                        ProgressView()
+                    } else {
+                        ForEach(vm.sessions) { session in
+                            SessionRow(session: session) {
+                                Task { await vm.revokeSession(id: session.id) }
+                            }
+                        }
+                    }
+                }
+
+                // ── Account ────────────────────────────────────────────────
+                Section("Account") {
+                    Button("Change Password") { showChangePassword = true }
+                    Button("Sign Out", role: .destructive) {
+                        dismiss()
+                        Task { await authStore.logout() }
+                    }
+                }
+            }
+            .navigationTitle("Account")
+            .navigationBarTitleDisplayMode(.inline)
+            .toolbar {
+                ToolbarItem(placement: .topBarTrailing) {
+                    Button("Done") { dismiss() }
+                        .fontWeight(.semibold)
+                }
+            }
+            .task { await vm.loadSessions() }
+            .sheet(isPresented: $showChangePassword) {
+                ChangePasswordView()
+            }
+            .sheet(item: Binding(
+                get: { pendingCropImage.map { CropImageItem(image: $0) } },
+                set: { if $0 == nil { pendingCropImage = nil } }
+            )) { item in
+                AvatarCropView(image: item.image) { croppedData in
+                    pendingCropImage = nil
+                    Task { await uploadCroppedData(croppedData) }
+                } onCancel: {
+                    pendingCropImage = nil
+                }
+            }
+            .errorAlert($vm.error)
+        }
+        .presentationDetents([.large])
+        .presentationDragIndicator(.visible)
+    }
+
+    // MARK: - Avatar upload
+
+    private func loadImageForCrop(_ item: PhotosPickerItem) async {
+        guard let data = try? await item.loadTransferable(type: Data.self),
+              let image = UIImage(data: data) else {
+            avatarError = "Could not read image"
+            return
+        }
+        pendingCropImage = image
+    }
+
+    private func uploadCroppedData(_ data: Data) async {
+        avatarUploading = true
+        avatarError = nil
+        defer { avatarUploading = false }
+        do {
+            let url = try await APIClient.shared.uploadAvatar(data, mimeType: "image/jpeg")
+            avatarURL = url
+            await authStore.validateToken()
+        } catch {
+            avatarError = "Upload failed: \(error.localizedDescription)"
+        }
+    }
+
+    // MARK: - Avatar picker
+
+    @ViewBuilder
+    private var avatarPicker: some View {
+        PhotosPicker(selection: $photoPickerItem,
+                     matching: .images,
+                     photoLibrary: .shared()) {
+            ZStack {
+                Circle()
+                    .fill(Color(.systemGray5))
+                    .frame(width: 72, height: 72)
+
+                if avatarUploading {
+                    ProgressView()
+                        .frame(width: 72, height: 72)
+                } else if let urlStr = avatarURL ?? authStore.user?.avatarURL,
+                          let url = URL(string: urlStr) {
+                    KFImage(url)
+                        .placeholder {
+                            Image(systemName: "person.circle.fill")
+                                .font(.system(size: 52))
+                                .foregroundStyle(.amber)
+                        }
+                        .resizable()
+                        .scaledToFill()
+                        .frame(width: 72, height: 72)
+                        .clipShape(Circle())
+                } else {
+                    Image(systemName: "person.circle.fill")
+                        .font(.system(size: 52))
+                        .foregroundStyle(.amber)
+                        .frame(width: 72, height: 72)
+                }
+
+                // Camera badge
+                if !avatarUploading {
+                    VStack {
+                        Spacer()
+                        HStack {
+                            Spacer()
+                            ZStack {
+                                Circle().fill(Color.amber).frame(width: 22, height: 22)
+                                Image(systemName: "camera.fill")
+                                    .font(.system(size: 10, weight: .semibold))
+                                    .foregroundStyle(.black)
+                            }
+                            .offset(x: 2, y: 2)
+                        }
+                    }
+                    .frame(width: 72, height: 72)
+                }
+            }
+        }
+        .buttonStyle(.plain)
+        .onChange(of: photoPickerItem) { _, item in
+            guard let item else { return }
+            Task { await loadImageForCrop(item) }
+        }
+    }
+
+    // MARK: - Voice picker
+
+    @ViewBuilder
+    private var voicePicker: some View {
+        Picker("TTS Voice", selection: Binding(
+            get: { authStore.settings.voice },
+            set: { newVoice in
+                Task {
+                    var s = authStore.settings
+                    s.voice = newVoice
+                    await authStore.saveSettings(s)
+                }
+            }
+        )) {
+            if vm.voices.isEmpty {
+                Text("Default").tag("af_bella")
+            } else {
+                ForEach(vm.voices, id: \.self) { v in
+                    Text(v).tag(v)
+                }
+            }
+        }
+        .task { await vm.loadVoices() }
+    }
+
+    // MARK: - Speed slider
+
+    @ViewBuilder
+    private var speedSlider: some View {
+        VStack(alignment: .leading, spacing: 4) {
+            HStack {
+                Text("Playback Speed")
+                Spacer()
+                Text("\(authStore.settings.speed, specifier: "%.1f")×")
+                    .foregroundStyle(.secondary)
+            }
+            Slider(
+                value: Binding(
+                    get: { authStore.settings.speed },
+                    set: { newSpeed in
+                        Task {
+                            var s = authStore.settings
+                            s.speed = newSpeed
+                            await authStore.saveSettings(s)
+                        }
+                    }
+                ),
+                in: 0.5...2.0, step: 0.25
+            )
+            .tint(.amber)
+        }
+    }
+}
+
+// MARK: - Session row (local copy — mirrors ProfileView.SessionRow)
+
+private struct SessionRow: View {
+    let session: UserSession
+    let onRevoke: () -> Void
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 4) {
+            HStack {
+                Image(systemName: "iphone")
+                Text(session.userAgent.isEmpty ? "Unknown device" : session.userAgent)
+                    .font(.subheadline)
+                    .lineLimit(1)
+                Spacer()
+                if session.isCurrent {
+                    Text("This device")
+                        .font(.caption2.bold())
+                        .foregroundStyle(.amber)
+                } else {
+                    Button("Revoke", role: .destructive, action: onRevoke)
+                        .font(.caption)
+                }
+            }
+            Text("Last seen: \(session.lastSeen.prefix(10))")
+                .font(.caption2)
+                .foregroundStyle(.secondary)
+        }
+    }
+}
+
+// MARK: - CropImageItem (Identifiable wrapper for the sheet)
+
+private struct CropImageItem: Identifiable {
+    let id = UUID()
+    let image: UIImage
+}

ios/LibNovel/LibNovel/Views/Search/SearchView.swift

@@ -0,0 +1,249 @@
+import SwiftUI
+
+// MARK: - SearchView
+// Dedicated search tab modelled after Apple Books' Search screen.
+// Shows a prominent search bar; while idle displays recent searches and
+// trending/popular novels; after a query shows a results grid.
+
+struct SearchView: View {
+    @StateObject private var vm = SearchViewModel()
+
+    var body: some View {
+        NavigationStack {
+            VStack(spacing: 0) {
+                // ── Search bar ──────────────────────────────────────────────
+                HStack(spacing: 8) {
+                    Image(systemName: "magnifyingglass")
+                        .foregroundStyle(.secondary)
+                    TextField("Search novels, authors…", text: $vm.query)
+                        .textInputAutocapitalization(.never)
+                        .autocorrectionDisabled()
+                        .submitLabel(.search)
+                        .onSubmit { vm.submitSearch() }
+                    if !vm.query.isEmpty {
+                        Button { vm.clear() } label: {
+                            Image(systemName: "xmark.circle.fill")
+                                .foregroundStyle(.secondary)
+                        }
+                    }
+                }
+                .padding(10)
+                .background(Color(.systemGray6), in: RoundedRectangle(cornerRadius: 10))
+                .padding(.horizontal)
+                .padding(.top, 8)
+                .padding(.bottom, 12)
+
+                Divider()
+
+                // ── Content ─────────────────────────────────────────────────
+                if vm.query.isEmpty && vm.results.isEmpty {
+                    idleContent
+                } else if vm.isLoading {
+                    ProgressView()
+                        .frame(maxWidth: .infinity, maxHeight: .infinity)
+                } else if vm.results.isEmpty {
+                    EmptyStateView(
+                        icon: "magnifyingglass",
+                        title: "No results",
+                        message: "Try a different title or author name."
+                    )
+                    .frame(maxWidth: .infinity, maxHeight: .infinity)
+                } else {
+                    resultsGrid
+                }
+            }
+            .navigationTitle("Search")
+            .appNavigationDestination()
+            .toolbar {
+                ToolbarItem(placement: .topBarTrailing) {
+                    AvatarToolbarButton()
+                }
+            }
+        }
+    }
+
+    // MARK: - Idle screen (recent searches + popular)
+
+    @ViewBuilder
+    private var idleContent: some View {
+        ScrollView {
+            VStack(alignment: .leading, spacing: 24) {
+                // Recent searches
+                if !vm.recentSearches.isEmpty {
+                    VStack(alignment: .leading, spacing: 0) {
+                        HStack {
+                            Text("Recent")
+                                .font(.title3.bold())
+                            Spacer()
+                            Button("Clear") { vm.clearRecent() }
+                                .font(.subheadline)
+                                .foregroundStyle(.amber)
+                        }
+                        .padding(.horizontal)
+                        .padding(.bottom, 10)
+
+                        ForEach(vm.recentSearches, id: \.self) { term in
+                            Button {
+                                vm.query = term
+                                vm.submitSearch()
+                            } label: {
+                                HStack {
+                                    Image(systemName: "clock")
+                                        .foregroundStyle(.secondary)
+                                        .frame(width: 20)
+                                    Text(term)
+                                        .foregroundStyle(.primary)
+                                    Spacer()
+                                    Image(systemName: "arrow.up.left")
+                                        .font(.caption)
+                                        .foregroundStyle(.tertiary)
+                                }
+                                .padding(.horizontal)
+                                .padding(.vertical, 11)
+                            }
+                            Divider().padding(.leading, 44)
+                        }
+                    }
+                }
+
+                // Popular / trending novels (loaded from browse popular)
+                if !vm.popular.isEmpty {
+                    VStack(alignment: .leading, spacing: 10) {
+                        Text("Popular")
+                            .font(.title3.bold())
+                            .padding(.horizontal)
+
+                        LazyVGrid(
+                            columns: [
+                                GridItem(.flexible(), spacing: 12),
+                                GridItem(.flexible(), spacing: 12),
+                                GridItem(.flexible(), spacing: 12)
+                            ],
+                            spacing: 16
+                        ) {
+                            ForEach(vm.popular) { novel in
+                                NavigationLink(value: NavDestination.book(novel.slug)) {
+                                    SearchNovelCard(novel: novel)
+                                }
+                                .buttonStyle(.plain)
+                            }
+                        }
+                        .padding(.horizontal)
+                    }
+                }
+
+                Color.clear.frame(height: 20)
+            }
+            .padding(.top, 16)
+        }
+    }
+
+    // MARK: - Results grid
+
+    @ViewBuilder
+    private var resultsGrid: some View {
+        ScrollView {
+            LazyVGrid(
+                columns: [
+                    GridItem(.flexible(), spacing: 12),
+                    GridItem(.flexible(), spacing: 12),
+                    GridItem(.flexible(), spacing: 12)
+                ],
+                spacing: 16
+            ) {
+                ForEach(vm.results) { novel in
+                    NavigationLink(value: NavDestination.book(novel.slug)) {
+                        SearchNovelCard(novel: novel)
+                    }
+                    .buttonStyle(.plain)
+                }
+            }
+            .padding()
+        }
+    }
+}
+
+// MARK: - Search novel card (compact 3-column)
+
+private struct SearchNovelCard: View {
+    let novel: BrowseNovel
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 6) {
+            AsyncCoverImage(url: novel.cover)
+                .frame(maxWidth: .infinity)
+                .aspectRatio(2/3, contentMode: .fit)
+                .clipShape(RoundedRectangle(cornerRadius: 8))
+                .shadow(color: .black.opacity(0.12), radius: 4, y: 2)
+                .bookCoverZoomSource(slug: novel.slug)
+
+            Text(novel.title)
+                .font(.caption.bold())
+                .lineLimit(2)
+                .fixedSize(horizontal: false, vertical: true)
+        }
+    }
+}
+
+// MARK: - SearchViewModel
+
+@MainActor
+final class SearchViewModel: ObservableObject {
+    @Published var query: String = ""
+    @Published var results: [BrowseNovel] = []
+    @Published var popular: [BrowseNovel] = []
+    @Published var isLoading = false
+
+    // Persisted in UserDefaults (max 10 recent terms)
+    @Published var recentSearches: [String] = []
+
+    private let recentKey = "searchRecentTerms"
+
+    init() {
+        recentSearches = (UserDefaults.standard.stringArray(forKey: recentKey) ?? [])
+        Task { await loadPopular() }
+    }
+
+    func submitSearch() {
+        let term = query.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !term.isEmpty else { return }
+        saveRecent(term)
+        Task { await runSearch(term) }
+    }
+
+    func clear() {
+        query = ""
+        results = []
+    }
+
+    func clearRecent() {
+        recentSearches = []
+        UserDefaults.standard.removeObject(forKey: recentKey)
+    }
+
+    private func runSearch(_ term: String) async {
+        isLoading = true
+        do {
+            let result = try await APIClient.shared.search(query: term)
+            results = result.results
+        } catch {
+            results = []
+        }
+        isLoading = false
+    }
+
+    private func loadPopular() async {
+        do {
+            let result = try await APIClient.shared.browse(page: 1, genre: "all", sort: "popular", status: "all")
+            popular = Array(result.novels.prefix(12))
+        } catch {}
+    }
+
+    private func saveRecent(_ term: String) {
+        var list = recentSearches.filter { $0 != term }
+        list.insert(term, at: 0)
+        if list.count > 10 { list = Array(list.prefix(10)) }
+        recentSearches = list
+        UserDefaults.standard.set(list, forKey: recentKey)
+    }
+}