diff --git a/ios/CDrop/Shared/Theme.swift b/ios/CDrop/Shared/Theme.swift
new file mode 100644
index 0000000..7569585
--- /dev/null
+++ b/ios/CDrop/Shared/Theme.swift
@@ -0,0 +1,14 @@
+import SwiftUI
+import UIKit
+
+// 品牌主色单一真源（强约束③，与 web 主 accent 对齐）：浅色 #644AC9 / 深色 #9580FF。放在 Shared，使主
+// app、控件 / 小组件扩展共用同一定义（此前仅在主 app 的 RootView 内，扩展无法引用）。
+extension Color
+{
+    static let cdropAccent = Color(uiColor: UIColor
+    { trait in
+        trait.userInterfaceStyle == .dark
+            ? UIColor(red: 0.584, green: 0.502, blue: 1.0, alpha: 1)
+            : UIColor(red: 0.392, green: 0.290, blue: 0.788, alpha: 1)
+    })
+}
diff --git a/ios/CDrop/Sources/Engine/EngineController.swift b/ios/CDrop/Sources/Engine/EngineController.swift
index 37496aa..a53ce63 100644
--- a/ios/CDrop/Sources/Engine/EngineController.swift
+++ b/ios/CDrop/Sources/Engine/EngineController.swift
@@ -50,6 +50,38 @@ struct TransferItem: Identifiable, Equatable, Codable
     var id: String { sessionId }
 }
 
+// 瞬时通知（#2）：设备移除 / 改名 / 剪贴板等操作结果统一走横幅，醒目、状态分明、自动消失、
+// 可手动清除——取代原先散落在设备页 / 设置页且永不清除的灰色小字 deviceActionStatus / clipboardStatus。
+struct Notice: Identifiable, Equatable
+{
+    enum Kind: Equatable { case success, error, info }
+    let id = UUID()
+    let kind: Kind
+    let text: String
+}
+
+// 引擎日志条目（#3）：installLogBridge 过桥来的 console.warn/error 逐条入环形缓冲，供独立日志界面
+// 查看最近 N 条（而非仅设置页一行 lastEngineLog）。at 为本机收到时刻，用于时间戳显示。
+struct LogEntry: Identifiable, Equatable
+{
+    let id = UUID()
+    let level: String   // warn | error | info
+    let message: String
+    let at: Date
+}
+
+// 待批准的他端登录请求（#8）：本机（已登录）扫到另一台设备显示的登录二维码（/link?r=&c=）后，经引擎
+// 拉取该请求的设备信息，据此渲染安全确认（批准 / 拒绝）。requestId / code 来自二维码。
+struct LoginRequestItem: Identifiable, Equatable
+{
+    let requestId: String
+    let code: String
+    let deviceName: String
+    let deviceType: String
+    let requestIp: String
+    var id: String { requestId }
+}
+
 // 原生 ↔ 无头 JS 引擎的桥（对侧契约见 web/src/net/ios.ts、ios/PLAN.md §2）。
 // 注册名为 "cdropEngine" 的 WKScriptMessageHandler 收 { id, method, payload }（RPC）或
 // { notify, payload }（单向通知）；RPC 处理完经 evaluateJavaScript 调
@@ -75,14 +107,28 @@ final class EngineController: NSObject
     var presenceCount = 0
     var lastEngineLog = ""
 
+    // 引擎日志环形缓冲（#3）：log 事件逐条前插，限长 logsCap，供独立日志界面查看最近 N 条。
+    var logs: [LogEntry] = []
+    private static let logsCap = 300
+
+    // 瞬时通知队列（#2）：操作结果横幅，前插展示、自动消失、可手动清除。
+    var notices: [Notice] = []
+
+    // 待确认的他端登录请求（#8）：扫码拿到信息后置位，驱动设备页弹批准确认；批准 / 拒绝 / 取消后清空。
+    var pendingLoginRequest: LoginRequestItem?
+
+    // 未读红点（#5）：消息 / 传输各自的未读计数，对应 tab 激活时清零。activeTab 记录当前所在
+    // 标签，使「正在该页时到达的事件」不计未读。seenIncomingTransfers 去重，避免同一传入传输在
+    // 活跃→完成两阶段被重复计数。
+    var unreadMessages = 0
+    var unreadTransfers = 0
+    var activeTab = "transfer"
+    private var seenIncomingTransfers: Set<String> = []
+
     // 引擎 JS 是否已就绪（收到 "ready" 通知）。门控 APNs 令牌登记：令牌可能先于引擎到达，
     // 故 didRegister 与 ready 双触发 flushPushRegistration，任一顺序都登记得上。
     private var engineReady = false
 
-    // 剪贴板 / 设备管理操作的瞬时反馈（设置页 / 设备页展示）。
-    var clipboardStatus = ""
-    var deviceActionStatus = ""
-
     // 引擎页地址：须安全源（WebRTC 在非安全 origin 可能被禁，见 PLAN R-iOS-3）。默认线上
     // https；可经环境变量 CDROP_ENGINE_URL 覆盖（本机测试指向 http://localhost——localhost
     // 是潜在可信源、算安全上下文，故 WebRTC 仍可用，同 Windows 桌面 loopback 思路）。
@@ -175,6 +221,14 @@ final class EngineController: NSObject
         transfers = []
         history = []
         messages = []
+        // 登出清空瞬时态：通知 / 日志 / 未读 / 已读传输集 / 待批准登录，不跨账号残留。
+        notices = []
+        logs = []
+        unreadMessages = 0
+        unreadTransfers = 0
+        seenIncomingTransfers = []
+        activeTab = "transfer"
+        pendingLoginRequest = nil
         // 登出清空持久记录，不跨账号残留（重启保活仅针对同一登录态）。
         RecordsStore.clear("history")
         RecordsStore.clear("messages")
@@ -215,6 +269,53 @@ final class EngineController: NSObject
         RecordsStore.clear("messages")
     }
 
+    // ---- 瞬时通知（#2） ----
+
+    // notify：把一条操作结果作为横幅入队（前插，最新在上），并安排 4s 后自动消失。不去重——连续
+    // 同类操作各给一条反馈更符合预期。空文案忽略。
+    func notify(_ text: String, kind: Notice.Kind)
+    {
+        guard !text.isEmpty else { return }
+        let notice = Notice(kind: kind, text: text)
+        notices.insert(notice, at: 0)
+        Task
+        {
+            try? await Task.sleep(for: .seconds(4))
+            dismissNotice(notice.id)
+        }
+    }
+
+    func dismissNotice(_ id: UUID)
+    {
+        notices.removeAll { $0.id == id }
+    }
+
+    // ---- 未读红点（#5） ----
+
+    // setActiveTab：标签切换时调用。记录当前标签，并对刚进入的标签清未读（看到即已读）。
+    func setActiveTab(_ tab: String)
+    {
+        activeTab = tab
+        if tab == "messages" { unreadMessages = 0 }
+        if tab == "transfer" { unreadTransfers = 0 }
+    }
+
+    // noteIncomingTransfer：传入传输首次出现（活跃或完成）时计一次未读，按 sessionId 去重，且仅当
+    // 不在传输页时计。本机发出的传输不计。
+    private func noteIncomingTransfer(_ item: TransferItem)
+    {
+        guard item.direction == "incoming", !seenIncomingTransfers.contains(item.sessionId) else { return }
+        seenIncomingTransfers.insert(item.sessionId)
+        if activeTab != "transfer" { unreadTransfers += 1 }
+    }
+
+    // ---- 引擎日志（#3） ----
+
+    func clearLogs()
+    {
+        logs.removeAll()
+    }
+
     // 收到的文件（Documents 沙盒，与 Files app 同一批）。供「收到的文件」视图浏览 / 转发。
     func receivedFiles() -> [URL] { downloads.receivedFiles() }
     func deleteReceivedFile(_ url: URL) { downloads.deleteReceivedFile(url) }
@@ -239,15 +340,13 @@ final class EngineController: NSObject
     func uploadClipboard()
     {
         let content = UIPasteboard.general.string ?? ""
-        guard !content.isEmpty else { clipboardStatus = t("ios.clipboard.empty"); return }
-        clipboardStatus = t("ios.clipboard.uploading")
+        guard !content.isEmpty else { notify(t("ios.clipboard.empty"), kind: .info); return }
         sendCommand("clipboardUpload", payload: [ "content": content ])
     }
 
     // 剪贴板下行：让引擎拉一次云剪贴板，回来写入 UIPasteboard（见 handleNotify "clipboard"）。
     func pullClipboard()
     {
-        clipboardStatus = t("ios.clipboard.pulling")
         sendCommand("clipboardPull", payload: [:])
     }
 
@@ -255,10 +354,38 @@ final class EngineController: NSObject
     // 之前传设备名致后端找不到而「移除失败」（#2）。
     func revokeDevice(_ deviceID: String)
     {
-        deviceActionStatus = ""
         sendCommand("revokeDevice", payload: [ "device_id": deviceID ])
     }
 
+    // ---- 扫码登录他端（#8） ----
+
+    // 本机扫到另一台设备的登录二维码（/link?r=&c=）后，先拉该请求的设备信息（qrRequest，需本机完整
+    // 会话），供确认页展示后再批准——不盲批。requestId / code 来自二维码。
+    func fetchLoginRequest(requestId: String, code: String)
+    {
+        sendCommand("fetchLoginRequest", payload: [ "request_id": requestId, "code": code ])
+    }
+
+    // 批准当前待确认的他端登录：授予完整会话（原生只接受 full，受限访客是 Web/PWA 的权宜）。
+    func approveLogin()
+    {
+        guard let req = pendingLoginRequest else { return }
+        pendingLoginRequest = nil
+        sendCommand("approveLogin", payload: [ "request_id": req.requestId, "code": req.code ])
+    }
+
+    func denyLogin()
+    {
+        guard let req = pendingLoginRequest else { return }
+        pendingLoginRequest = nil
+        sendCommand("denyLogin", payload: [ "request_id": req.requestId, "code": req.code ])
+    }
+
+    func cancelLoginRequest()
+    {
+        pendingLoginRequest = nil
+    }
+
     // 主动取消一个进行中的传输（O）。引擎置该会话为 CANCELLED，随后 transfers / transferDone 回推。
     func cancelTransfer(_ sessionId: String)
     {
@@ -507,6 +634,7 @@ extension EngineController: WKScriptMessageHandler
             if let p = payload as? [String: Any], let raw = p["active"] as? [Any]
             {
                 transfers = raw.compactMap { ($0 as? [String: Any]).flatMap(Self.parseTransfer) }
+                for item in transfers { noteIncomingTransfer(item) }   // 传入传输首现计未读红点（#5）
                 syncBackgroundTask()
             }
         case "message":
@@ -516,6 +644,7 @@ extension EngineController: WKScriptMessageHandler
                let m = p["message"] as? [String: Any],
                let item = Self.parseMessage(m)
             {
+                let isNew = !messages.contains { $0.id == item.id }
                 messages.removeAll { $0.id == item.id }
                 messages.insert(item, at: 0)
                 if messages.count > Self.messagesCap
@@ -523,11 +652,14 @@ extension EngineController: WKScriptMessageHandler
                     messages.removeLast(messages.count - Self.messagesCap)
                 }
                 RecordsStore.save(messages, "messages")
+                // 新到的对端消息：不在消息页时计未读红点（#5）。本机发出的乐观回显（outgoing）不计。
+                if isNew, item.direction == "incoming", activeTab != "messages" { unreadMessages += 1 }
             }
         case "transferDone":
             // 完成项移出活跃、前插历史；按 sessionId 去重避免重复事件叠加。
             if let p = payload as? [String: Any], let item = Self.parseTransfer(p)
             {
+                noteIncomingTransfer(item)   // 极快传输可能跳过活跃阶段，这里补计未读（#5，已 seen 则不重复）
                 transfers.removeAll { $0.sessionId == item.sessionId }
                 history.removeAll { $0.sessionId == item.sessionId }
                 history.insert(item, at: 0)
@@ -549,22 +681,42 @@ extension EngineController: WKScriptMessageHandler
             if let p = payload as? [String: Any], let msg = p["msg"] as? String
             {
                 lastEngineLog = msg
+                logs.insert(LogEntry(level: p["level"] as? String ?? "info", message: msg, at: Date()), at: 0)
+                if logs.count > Self.logsCap { logs.removeLast(logs.count - Self.logsCap) }
             }
         case "clipboard":
             // 引擎拉回的云剪贴板内容 → 写入本机 UIPasteboard。
             if let p = payload as? [String: Any], let content = p["content"] as? String, !content.isEmpty
             {
                 UIPasteboard.general.string = content
-                clipboardStatus = t("ios.clipboard.pulled")
+                notify(t("ios.clipboard.pulled"), kind: .success)
             }
             else
             {
-                clipboardStatus = t("ios.clipboard.empty")
+                notify(t("ios.clipboard.empty"), kind: .info)
             }
         case "clipboardUploaded":
-            clipboardStatus = t("ios.clipboard.uploaded")
+            notify(t("ios.clipboard.uploaded"), kind: .success)
         case "deviceRevoked":
-            deviceActionStatus = t("ios.devices.revoked")
+            notify(t("ios.devices.revoked"), kind: .success)
+        case "loginRequest":
+            // 扫码拿到的他端登录请求信息（#8）→ 置位驱动设备页弹批准确认。
+            if let p = payload as? [String: Any],
+               let rid = p["request_id"] as? String, let code = p["code"] as? String
+            {
+                pendingLoginRequest = LoginRequestItem(
+                    requestId: rid, code: code,
+                    deviceName: p["device_name"] as? String ?? "",
+                    deviceType: p["device_type"] as? String ?? "",
+                    requestIp: p["request_ip"] as? String ?? "")
+            }
+        case "loginApproved":
+            notify(t("ios.scan.approved"), kind: .success)
+        case "loginDenied":
+            notify(t("ios.scan.denied"), kind: .success)
+        case "loginFailed":
+            pendingLoginRequest = nil
+            notify(t("ios.scan.failed"), kind: .error)
         case "identityUpdated":
             // 引擎据 /api/me 取到真实显示名（QR 登录注入的是 UUID 名）→ 更新会话身份 + Keychain，
             // 设置页据此显示真名而非 UUID（#12）。
@@ -580,7 +732,7 @@ extension EngineController: WKScriptMessageHandler
                 DeviceNameStore.value = name
                 auth?.updateDeviceName(name)
                 deviceName = name
-                deviceActionStatus = t("ios.settings.deviceName.success")
+                notify(t("ios.settings.deviceName.success"), kind: .success)
             }
         case "error":
             // 复用现有 error 通知：剪贴板 / 吊销失败也走这里，分流到对应状态行。
@@ -588,11 +740,11 @@ extension EngineController: WKScriptMessageHandler
             {
                 let stage = p["stage"] as? String ?? ""
                 let msg = p["message"] as? String ?? ""
-                if stage == "clipboard" { clipboardStatus = t("ios.clipboard.failed") }
+                if stage == "clipboard" { notify(t("ios.clipboard.failed"), kind: .error) }
                 else if stage == "revoke"
                 {
-                    deviceActionStatus = msg == "step_up_required"
-                        ? t("ios.devices.revokeStepUp") : t("ios.devices.revokeFailed")
+                    notify(msg == "step_up_required"
+                        ? t("ios.devices.revokeStepUp") : t("ios.devices.revokeFailed"), kind: .error)
                 }
                 else { status = "错误：\(msg)" }
             }
diff --git a/ios/CDrop/Sources/LogView.swift b/ios/CDrop/Sources/LogView.swift
new file mode 100644
index 0000000..5e7ff23
--- /dev/null
+++ b/ios/CDrop/Sources/LogView.swift
@@ -0,0 +1,94 @@
+import SwiftUI
+
+// 引擎日志独立界面（#3）：展示 EngineController.logs 环形缓冲里最近 N 条 console.warn/error，分级配色、
+// 可选中复制、可一键清空。从设置页「查看日志」进入。便于在真机上（无 Web Inspector）定位 SSE / 鉴权 /
+// 传输失败原因——此前只能在设置页看到孤零零一行 lastEngineLog。
+struct LogView: View
+{
+    @Environment(EngineController.self) private var engine
+
+    var body: some View
+    {
+        Group
+        {
+            if engine.logs.isEmpty
+            {
+                ContentUnavailableView(t("ios.logs.empty"), systemImage: "doc.text")
+            }
+            else
+            {
+                List
+                {
+                    ForEach(engine.logs)
+                    { entry in
+                        logRow(entry)
+                    }
+                }
+                .listStyle(.plain)
+            }
+        }
+        .navigationTitle(t("ios.logs.title"))
+        .navigationBarTitleDisplayMode(.inline)
+        .toolbar
+        {
+            if !engine.logs.isEmpty
+            {
+                ToolbarItem(placement: .topBarTrailing)
+                {
+                    Button(role: .destructive) { engine.clearLogs() }
+                    label: { Label(t("ios.logs.clear"), systemImage: "trash") }
+                }
+            }
+        }
+    }
+
+    private func logRow(_ entry: LogEntry) -> some View
+    {
+        VStack(alignment: .leading, spacing: 4)
+        {
+            HStack(spacing: 6)
+            {
+                Image(systemName: levelSymbol(entry.level))
+                    .font(.caption)
+                    .foregroundStyle(levelTint(entry.level))
+                Text(timeString(entry.at))
+                    .font(.caption2)
+                    .foregroundStyle(.secondary)
+                    .monospacedDigit()
+            }
+            Text(entry.message)
+                .font(.caption.monospaced())
+                .foregroundStyle(.primary)
+                .textSelection(.enabled)
+                .fixedSize(horizontal: false, vertical: true)
+        }
+        .padding(.vertical, 2)
+    }
+
+    private func levelSymbol(_ level: String) -> String
+    {
+        switch level
+        {
+        case "error": return "xmark.octagon.fill"
+        case "warn": return "exclamationmark.triangle.fill"
+        default: return "info.circle"
+        }
+    }
+
+    private func levelTint(_ level: String) -> Color
+    {
+        switch level
+        {
+        case "error": return .red
+        case "warn": return .orange
+        default: return .secondary
+        }
+    }
+
+    private func timeString(_ date: Date) -> String
+    {
+        let f = DateFormatter()
+        f.dateFormat = "HH:mm:ss"
+        return f.string(from: date)
+    }
+}
diff --git a/ios/CDrop/Sources/NotificationBanner.swift b/ios/CDrop/Sources/NotificationBanner.swift
new file mode 100644
index 0000000..ddd975b
--- /dev/null
+++ b/ios/CDrop/Sources/NotificationBanner.swift
@@ -0,0 +1,80 @@
+import SwiftUI
+
+// 瞬时通知横幅（#2）：覆盖在标签内容顶部，醒目、状态分明（成功绿 / 失败红 / 信息中性）、自动消失
+// （EngineController.notify 安排 4s 后移除）、可点叉手动清除。取代原先散落在设备页 / 设置页、串页显示
+// 且永不清除的灰色小字（deviceActionStatus / clipboardStatus）。由 EngineController.notices 驱动。
+struct NoticeOverlay: View
+{
+    @Environment(EngineController.self) private var engine
+
+    var body: some View
+    {
+        VStack(spacing: 8)
+        {
+            ForEach(engine.notices)
+            { notice in
+                NoticeBanner(notice: notice) { engine.dismissNotice(notice.id) }
+                    .transition(.move(edge: .top).combined(with: .opacity))
+            }
+        }
+        .padding(.horizontal, 16)
+        .padding(.top, 8)
+        .animation(.spring(duration: 0.3), value: engine.notices)
+        // 无通知时不拦截下方内容的点击；有通知时仅横幅自身（含叉按钮）可点。
+        .allowsHitTesting(!engine.notices.isEmpty)
+    }
+}
+
+private struct NoticeBanner: View
+{
+    let notice: Notice
+    let onDismiss: () -> Void
+
+    var body: some View
+    {
+        HStack(spacing: 10)
+        {
+            Image(systemName: symbol)
+                .font(.headline)
+                .foregroundStyle(tint)
+            Text(notice.text)
+                .font(.subheadline)
+                .foregroundStyle(.primary)
+                .lineLimit(2)
+            Spacer(minLength: 8)
+            Button { onDismiss() }
+            label:
+            {
+                Image(systemName: "xmark")
+                    .font(.caption.weight(.bold))
+                    .foregroundStyle(.secondary)
+            }
+            .buttonStyle(.plain)
+        }
+        .padding(.vertical, 12)
+        .padding(.horizontal, 14)
+        .background(.regularMaterial, in: RoundedRectangle(cornerRadius: 14))
+        .overlay(RoundedRectangle(cornerRadius: 14).strokeBorder(tint.opacity(0.35), lineWidth: 1))
+        .shadow(color: .black.opacity(0.12), radius: 8, y: 2)
+    }
+
+    private var symbol: String
+    {
+        switch notice.kind
+        {
+        case .success: return "checkmark.circle.fill"
+        case .error: return "exclamationmark.triangle.fill"
+        case .info: return "info.circle.fill"
+        }
+    }
+
+    private var tint: Color
+    {
+        switch notice.kind
+        {
+        case .success: return .green
+        case .error: return .red
+        case .info: return .cdropAccent
+        }
+    }
+}
diff --git a/ios/CDrop/Sources/Resources/i18n/en-US.json b/ios/CDrop/Sources/Resources/i18n/en-US.json
index 1a48f91..13e2c17 100644
--- a/ios/CDrop/Sources/Resources/i18n/en-US.json
+++ b/ios/CDrop/Sources/Resources/i18n/en-US.json
@@ -374,5 +374,25 @@
   "ios.share.title": "Send {{n}} file(s) to a device",
   "ios.control.upload": "Upload Clipboard",
   "ios.control.pull": "Pull Clipboard",
-  "ios.control.sessionLabel": "{{name}} · Control"
+  "ios.control.sessionLabel": "{{name}} · Control",
+  "ios.settings.viewLogs": "View Logs",
+  "ios.logs.title": "Engine Logs",
+  "ios.logs.empty": "No logs yet",
+  "ios.logs.clear": "Clear Logs",
+  "ios.logs.copy": "Copy All",
+  "ios.scan.entry": "Scan to Sign In",
+  "ios.scan.title": "Scan QR Code",
+  "ios.scan.hint": "Point at the sign-in QR code on another device",
+  "ios.scan.invalid": "Unrecognized sign-in QR code",
+  "ios.scan.approveTitle": "Approve this device to sign in?",
+  "ios.scan.approve": "Approve",
+  "ios.scan.deny": "Deny",
+  "ios.scan.approved": "Device approved",
+  "ios.scan.denied": "Device denied",
+  "ios.scan.failed": "Action failed, please retry",
+  "ios.scan.cameraDenied": "Camera access is required to scan; enable it in Settings",
+  "ios.scan.requestIp": "Source IP",
+  "ios.widget.clipboardName": "Cloud Clipboard",
+  "ios.widget.clipboardDesc": "Quickly upload or pull the shared clipboard",
+  "ios.widget.needApp": "Open the app to sign in first"
 }
diff --git a/ios/CDrop/Sources/Resources/i18n/zh-CN.json b/ios/CDrop/Sources/Resources/i18n/zh-CN.json
index 80ab776..decba54 100644
--- a/ios/CDrop/Sources/Resources/i18n/zh-CN.json
+++ b/ios/CDrop/Sources/Resources/i18n/zh-CN.json
@@ -374,5 +374,25 @@
   "ios.share.title": "发送 {{n}} 个文件到设备",
   "ios.control.upload": "上传剪贴板",
   "ios.control.pull": "拉取剪贴板",
-  "ios.control.sessionLabel": "{{name}} · 控件"
+  "ios.control.sessionLabel": "{{name}} · 控件",
+  "ios.settings.viewLogs": "查看日志",
+  "ios.logs.title": "引擎日志",
+  "ios.logs.empty": "暂无日志",
+  "ios.logs.clear": "清空日志",
+  "ios.logs.copy": "复制全部",
+  "ios.scan.entry": "扫码登录设备",
+  "ios.scan.title": "扫码登录",
+  "ios.scan.hint": "对准另一台设备上的登录二维码",
+  "ios.scan.invalid": "无法识别的登录二维码",
+  "ios.scan.approveTitle": "批准此设备登录本账号？",
+  "ios.scan.approve": "批准登录",
+  "ios.scan.deny": "拒绝",
+  "ios.scan.approved": "已批准设备登录",
+  "ios.scan.denied": "已拒绝设备登录",
+  "ios.scan.failed": "操作失败，请重试",
+  "ios.scan.cameraDenied": "需要相机权限才能扫码，请在系统设置中开启",
+  "ios.scan.requestIp": "来源 IP",
+  "ios.widget.clipboardName": "云剪贴板",
+  "ios.widget.clipboardDesc": "快速上传或拉取设备间剪贴板",
+  "ios.widget.needApp": "请先打开 App 登录"
 }
diff --git a/ios/CDrop/Sources/Resources/i18n/zh-TW.json b/ios/CDrop/Sources/Resources/i18n/zh-TW.json
index c2f08be..2daa73f 100644
--- a/ios/CDrop/Sources/Resources/i18n/zh-TW.json
+++ b/ios/CDrop/Sources/Resources/i18n/zh-TW.json
@@ -374,5 +374,25 @@
   "ios.share.title": "傳送 {{n}} 個檔案到裝置",
   "ios.control.upload": "上傳剪貼簿",
   "ios.control.pull": "拉取剪貼簿",
-  "ios.control.sessionLabel": "{{name}} · 控制項"
+  "ios.control.sessionLabel": "{{name}} · 控制項",
+  "ios.settings.viewLogs": "檢視日誌",
+  "ios.logs.title": "引擎日誌",
+  "ios.logs.empty": "尚無日誌",
+  "ios.logs.clear": "清空日誌",
+  "ios.logs.copy": "複製全部",
+  "ios.scan.entry": "掃碼登入裝置",
+  "ios.scan.title": "掃碼登入",
+  "ios.scan.hint": "對準另一台裝置上的登入 QR 碼",
+  "ios.scan.invalid": "無法辨識的登入 QR 碼",
+  "ios.scan.approveTitle": "批准此裝置登入本帳號？",
+  "ios.scan.approve": "批准登入",
+  "ios.scan.deny": "拒絕",
+  "ios.scan.approved": "已批准裝置登入",
+  "ios.scan.denied": "已拒絕裝置登入",
+  "ios.scan.failed": "操作失敗，請重試",
+  "ios.scan.cameraDenied": "需要相機權限才能掃碼，請在系統設定中開啟",
+  "ios.scan.requestIp": "來源 IP",
+  "ios.widget.clipboardName": "雲剪貼簿",
+  "ios.widget.clipboardDesc": "快速上傳或拉取裝置間剪貼簿",
+  "ios.widget.needApp": "請先開啟 App 登入"
 }
diff --git a/ios/CDrop/Sources/RootView.swift b/ios/CDrop/Sources/RootView.swift
index da7f028..cae7139 100644
--- a/ios/CDrop/Sources/RootView.swift
+++ b/ios/CDrop/Sources/RootView.swift
@@ -20,6 +20,8 @@ struct RootView: View
     {
         TabView(selection: $selection)
         {
+            // 顺序按领域与频次分组（#1）：文件域（传输 → 收到的文件）相邻，其次消息，最后管理区
+            // （设备 → 设置）。传输 / 消息带未读红点（#5），对应页激活即清零。
             Tab(t("ios.tab.transfer"), systemImage: "arrow.up.arrow.down", value: "transfer")
             {
                 NavigationStack
@@ -27,11 +29,12 @@ struct RootView: View
                     TransferListView()
                 }
             }
-            Tab(t("ios.tab.devices"), systemImage: "laptopcomputer.and.iphone", value: "devices")
+            .badge(engine.unreadTransfers)
+            Tab(t("ios.tab.files"), systemImage: "folder", value: "files")
             {
                 NavigationStack
                 {
-                    DeviceListView()
+                    ReceivedFilesView()
                 }
             }
             Tab(t("ios.tab.messages"), systemImage: "message", value: "messages")
@@ -41,11 +44,12 @@ struct RootView: View
                     MessagesView()
                 }
             }
-            Tab(t("ios.tab.files"), systemImage: "folder", value: "files")
+            .badge(engine.unreadMessages)
+            Tab(t("ios.tab.devices"), systemImage: "laptopcomputer.and.iphone", value: "devices")
             {
                 NavigationStack
                 {
-                    ReceivedFilesView()
+                    DeviceListView()
                 }
             }
             Tab(t("ios.tab.settings"), systemImage: "gearshape", value: "settings")
@@ -58,6 +62,13 @@ struct RootView: View
         }
         .tabBarMinimizeBehavior(.onScrollDown)
         .tint(.cdropAccent)
+        // 瞬时通知横幅覆盖在内容顶部（#2）。
+        .overlay(alignment: .top)
+        {
+            NoticeOverlay()
+        }
+        // 标签切换时同步当前页给引擎，驱动未读清零（#5）。
+        .onChange(of: selection) { engine.setActiveTab(selection) }
         .background
         {
             EngineWebView(controller: engine, auth: auth)
@@ -95,6 +106,9 @@ struct TransferListView: View
     @State private var showDevicePicker = false
     @State private var showNoDevices = false
     @State private var showClearConfirm = false
+    // 点按传输卡片进详情：不在 List 内用 NavigationLink（会出现 chevron 改变卡片观感），改经
+    // navigationDestination(item:) 程序化推栈（按 sessionId，String 即 Hashable 标识），卡片保持原样。
+    @State private var detailSession: String?
 
     // 可发送目标：在线、且非本机（共用 EngineController.sendableDevices）。
     private var sendableDevices: [DeviceItem]
@@ -104,44 +118,19 @@ struct TransferListView: View
 
     var body: some View
     {
-        ScrollView
+        Group
         {
             if engine.transfers.isEmpty && engine.history.isEmpty
             {
                 ContentUnavailableView(t("ios.transfer.empty"), systemImage: "tray")
-                    .padding(.top, 80)
             }
             else
             {
-                VStack(spacing: 16)
-                {
-                    if !engine.transfers.isEmpty
-                    {
-                        sectionHeader(t("home.transfer.active"))
-                        ForEach(engine.transfers)
-                        { item in
-                            transferLink(item)
-                        }
-                    }
-                    if !engine.history.isEmpty
-                    {
-                        sectionHeader(t("home.transfer.history"))
-                        ForEach(engine.history)
-                        { item in
-                            transferLink(item)
-                                .contextMenu
-                                {
-                                    Button(role: .destructive)
-                                    { engine.deleteTransferRecord(item.sessionId) }
-                                    label: { Label(t("transfer.action.delete"), systemImage: "trash") }
-                                }
-                        }
-                    }
-                }
-                .padding()
+                transferList
             }
         }
         .navigationTitle(t("ios.tab.transfer"))
+        .navigationDestination(item: $detailSession) { sid in TransferDetailView(sessionId: sid) }
         .toolbar
         {
             if !engine.history.isEmpty
@@ -201,6 +190,32 @@ struct TransferListView: View
         .alert(t("ios.send.noDevices"), isPresented: $showNoDevices) { }
     }
 
+    // List（而非 ScrollView）：让传输记录与设备 / 文件等长条行操作逻辑一致——支持滑动删除 + 长按菜单。
+    // 卡片观感经 .plain 列表 + 透明行背景 + 隐藏分隔线保留。抽成独立属性，避免 body 表达式过大致类型推断超时。
+    private var transferList: some View
+    {
+        List
+        {
+            if !engine.transfers.isEmpty
+            {
+                Section
+                {
+                    ForEach(engine.transfers) { transferRow($0, history: false) }
+                }
+                header: { sectionHeader(t("home.transfer.active")) }
+            }
+            if !engine.history.isEmpty
+            {
+                Section
+                {
+                    ForEach(engine.history) { transferRow($0, history: true) }
+                }
+                header: { sectionHeader(t("home.transfer.history")) }
+            }
+        }
+        .listStyle(.plain)
+    }
+
     private func sectionHeader(_ title: String) -> some View
     {
         HStack
@@ -212,17 +227,36 @@ struct TransferListView: View
         }
     }
 
-    private func transferLink(_ item: TransferItem) -> some View
+    // 传输行：卡片观感不变；点按进详情；历史记录支持滑动删除 + 长按删除（与设备 / 文件长条一致）。
+    // 进行中的传输不挂删除手势（取消 / 切中继在详情页）。删除是真删除（无需二次确认），故析构滑动按钮
+    // 的删除动画与实际一致、不会抖动。
+    @ViewBuilder
+    private func transferRow(_ item: TransferItem, history: Bool) -> some View
     {
-        NavigationLink
+        let card = TransferCardView(item: item)
+            .contentShape(Rectangle())
+            .onTapGesture { detailSession = item.sessionId }
+            .listRowInsets(EdgeInsets(top: 6, leading: 16, bottom: 6, trailing: 16))
+            .listRowSeparator(.hidden)
+            .listRowBackground(Color.clear)
+        if history
         {
-            TransferDetailView(sessionId: item.sessionId)
+            card
+                .swipeActions(edge: .trailing)
+                {
+                    Button(role: .destructive) { engine.deleteTransferRecord(item.sessionId) }
+                    label: { Label(t("transfer.action.delete"), systemImage: "trash") }
+                }
+                .contextMenu
+                {
+                    Button(role: .destructive) { engine.deleteTransferRecord(item.sessionId) }
+                    label: { Label(t("transfer.action.delete"), systemImage: "trash") }
+                }
         }
-        label:
+        else
         {
-            TransferCardView(item: item)
+            card
         }
-        .buttonStyle(.plain)
     }
 
     private func startSend(to device: String)
@@ -424,6 +458,7 @@ struct DeviceListView: View
     @Environment(EngineController.self) private var engine
     @State private var revokeTarget: DeviceItem?
     @State private var showRevoke = false
+    @State private var showScanner = false
 
     // 全部设备：含本机（本机标「本机」、不可移除自己——登出在设置页）。本机排最前。
     private var allDevices: [DeviceItem]
@@ -451,18 +486,24 @@ struct DeviceListView: View
             {
                 List
                 {
-                    if !engine.deviceActionStatus.isEmpty
-                    {
-                        Text(engine.deviceActionStatus)
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
-                    }
                     ForEach(allDevices)
                     { dev in
                         deviceRow(dev)
                             .contentShape(Rectangle())
-                            .onTapGesture { if !isSelf(dev) { revokeTarget = dev; showRevoke = true } }
+                            // 长条行统一操作逻辑：滑动 + 长按都能移除（点按不再删除——破坏性操作不应误触）。
                             .swipeActions(edge: .trailing)
+                            {
+                                if !isSelf(dev)
+                                {
+                                    // 不用 destructive 角色：「析构滑动按钮」会预演删除动画（行收起、下方上移），
+                                    // 但移除需先弹二次确认、此刻并不真删 → 行随即复位造成抖动。改普通按钮 + 红色
+                                    // 仅作视觉提示，消除抖动；真正删除发生在确认之后（设备离线即正常移除）。
+                                    Button { revokeTarget = dev; showRevoke = true }
+                                    label: { Label(t("ios.devices.remove"), systemImage: "trash") }
+                                        .tint(.red)
+                                }
+                            }
+                            .contextMenu
                             {
                                 if !isSelf(dev)
                                 {
@@ -475,6 +516,19 @@ struct DeviceListView: View
             }
         }
         .navigationTitle(t("ios.tab.devices"))
+        .toolbar
+        {
+            // 扫码登录他端（#8）：扫另一台设备的登录二维码以批准其登入本账号。
+            ToolbarItem(placement: .topBarTrailing)
+            {
+                Button { showScanner = true }
+                label: { Label(t("ios.scan.entry"), systemImage: "qrcode.viewfinder") }
+            }
+        }
+        .sheet(isPresented: $showScanner)
+        {
+            ScanSheet { requestId, code in engine.fetchLoginRequest(requestId: requestId, code: code) }
+        }
         .confirmationDialog(revokeTarget?.name ?? "", isPresented: $showRevoke, titleVisibility: .visible)
         {
             Button(t("ios.devices.remove"), role: .destructive)
@@ -483,6 +537,40 @@ struct DeviceListView: View
             }
             Button(t("common.cancel"), role: .cancel) { }
         }
+        // 扫码后拉到请求信息即弹批准确认（#8）：展示对端设备名 / 类型 / 来源 IP，确认后才批准。
+        .confirmationDialog(
+            t("ios.scan.approveTitle"),
+            isPresented: Binding(
+                get: { engine.pendingLoginRequest != nil },
+                set: { if !$0 { engine.cancelLoginRequest() } }),
+            titleVisibility: .visible)
+        {
+            Button(t("ios.scan.approve")) { engine.approveLogin() }
+            Button(t("ios.scan.deny"), role: .destructive) { engine.denyLogin() }
+            Button(t("common.cancel"), role: .cancel) { engine.cancelLoginRequest() }
+        }
+        message:
+        {
+            if let req = engine.pendingLoginRequest
+            {
+                Text(loginRequestInfo(req))
+            }
+        }
+    }
+
+    // 批准确认页展示的对端信息：设备名 · 类型，附来源 IP（次行）。
+    private func loginRequestInfo(_ req: LoginRequestItem) -> String
+    {
+        var head: [String] = []
+        if !req.deviceName.isEmpty { head.append(req.deviceName) }
+        if !req.deviceType.isEmpty { head.append(req.deviceType) }
+        var s = head.joined(separator: " · ")
+        if !req.requestIp.isEmpty
+        {
+            if !s.isEmpty { s += "\n" }
+            s += "\(t("ios.scan.requestIp")): \(req.requestIp)"
+        }
+        return s
     }
 
     private func deviceRow(_ dev: DeviceItem) -> some View
@@ -537,12 +625,6 @@ struct SettingsView: View
                     TextField(t("ios.settings.deviceName"), text: $deviceNameDraft)
                         .submitLabel(.done)
                         .onSubmit { commitRename() }
-                    if !engine.deviceActionStatus.isEmpty
-                    {
-                        Text(engine.deviceActionStatus)
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
-                    }
                     Button(role: .destructive) { logout() }
                     label:
                     {
@@ -566,17 +648,23 @@ struct SettingsView: View
                 LabeledContent(t("ios.settings.signaling"), value: signalingState)
                 LabeledContent(t("ios.settings.presenceEvents"), value: "\(engine.presenceCount)")
                 LabeledContent(t("ios.settings.deviceCount"), value: "\(engine.devices.count)")
-                if !engine.lastEngineLog.isEmpty
+                // 日志独立界面（#3）：进入查看最近 N 条引擎日志；副标题预览最新一条。
+                NavigationLink
+                {
+                    LogView()
+                }
+                label:
                 {
                     VStack(alignment: .leading, spacing: 2)
                     {
-                        Text(t("ios.settings.lastLog"))
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
-                        Text(engine.lastEngineLog)
-                            .font(.caption2)
-                            .foregroundStyle(.secondary)
-                            .textSelection(.enabled)
+                        Text(t("ios.settings.viewLogs"))
+                        if !engine.lastEngineLog.isEmpty
+                        {
+                            Text(engine.lastEngineLog)
+                                .font(.caption2)
+                                .foregroundStyle(.secondary)
+                                .lineLimit(1)
+                        }
                     }
                 }
             }
@@ -586,12 +674,6 @@ struct SettingsView: View
                 label: { Label(t("ios.clipboard.upload"), systemImage: "arrow.up.doc.on.clipboard") }
                 Button { engine.pullClipboard() }
                 label: { Label(t("ios.clipboard.pull"), systemImage: "arrow.down.doc") }
-                if !engine.clipboardStatus.isEmpty
-                {
-                    Text(engine.clipboardStatus)
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-                }
             }
             header:
             {
@@ -800,14 +882,4 @@ private func deviceSymbol(_ type: String) -> String
     return "desktopcomputer"
 }
 
-// 品牌主色（强约束③，与 web 主 accent 对齐）：浅色 #644AC9 / 深色 #9580FF。后续接 Asset
-// Catalog Color Set 作单一真源；此处先以动态 UIColor 落地。
-extension Color
-{
-    static let cdropAccent = Color(uiColor: UIColor
-    { trait in
-        trait.userInterfaceStyle == .dark
-            ? UIColor(red: 0.584, green: 0.502, blue: 1.0, alpha: 1)
-            : UIColor(red: 0.392, green: 0.290, blue: 0.788, alpha: 1)
-    })
-}
+// 品牌主色 Color.cdropAccent 已移至 Shared/Theme.swift（主 app 与控件 / 小组件扩展共用单一真源）。
diff --git a/ios/CDrop/Sources/ScannerView.swift b/ios/CDrop/Sources/ScannerView.swift
new file mode 100644
index 0000000..8f16852
--- /dev/null
+++ b/ios/CDrop/Sources/ScannerView.swift
@@ -0,0 +1,165 @@
+import AVFoundation
+import SwiftUI
+import VisionKit
+
+// 扫码登录他端（#8）：本机已登录，用相机扫另一台设备显示的登录二维码（/link?r=&c=），解析校验后把
+// requestId / code 交引擎走批准流程。用 VisionKit 的 DataScannerViewController（系统级扫码 UI，免手搓
+// AVFoundation 会话）。模拟器无相机 → isSupported 为假，回落「相机不可用」提示。
+struct ScanSheet: View
+{
+    // 扫到合法登录二维码时回调 (requestId, code)，随后自动关闭扫码页。
+    let onScanned: (String, String) -> Void
+    @Environment(\.dismiss) private var dismiss
+    // nil＝权限询问中；true/false＝已授权 / 被拒。
+    @State private var authorized: Bool?
+    @State private var invalid = false
+
+    var body: some View
+    {
+        NavigationStack
+        {
+            content
+                .navigationTitle(t("ios.scan.title"))
+                .navigationBarTitleDisplayMode(.inline)
+                .toolbar
+                {
+                    ToolbarItem(placement: .topBarLeading)
+                    {
+                        Button(t("common.cancel")) { dismiss() }
+                    }
+                }
+        }
+        .task { await requestCamera() }
+    }
+
+    @ViewBuilder
+    private var content: some View
+    {
+        if authorized == nil
+        {
+            ProgressView()
+        }
+        else if authorized == true, DataScannerViewController.isSupported
+        {
+            scanner
+        }
+        else
+        {
+            ContentUnavailableView(t("ios.scan.cameraDenied"), systemImage: "camera.fill")
+        }
+    }
+
+    private var scanner: some View
+    {
+        ZStack(alignment: .bottom)
+        {
+            LoginScannerView(onScan: handleScan)
+            VStack(spacing: 8)
+            {
+                if invalid
+                {
+                    Text(t("ios.scan.invalid"))
+                        .font(.callout)
+                        .padding(.vertical, 8)
+                        .padding(.horizontal, 14)
+                        .background(.red.opacity(0.85), in: Capsule())
+                        .foregroundStyle(.white)
+                }
+                Text(t("ios.scan.hint"))
+                    .font(.footnote)
+                    .multilineTextAlignment(.center)
+                    .padding(.vertical, 8)
+                    .padding(.horizontal, 14)
+                    .background(.black.opacity(0.5), in: Capsule())
+                    .foregroundStyle(.white)
+            }
+            .padding(.bottom, 40)
+        }
+        .ignoresSafeArea(edges: .bottom)
+    }
+
+    private func requestCamera() async
+    {
+        switch AVCaptureDevice.authorizationStatus(for: .video)
+        {
+        case .authorized:
+            authorized = true
+        case .notDetermined:
+            authorized = await AVCaptureDevice.requestAccess(for: .video)
+        default:
+            authorized = false
+        }
+    }
+
+    // 扫到一个码：解析校验；合法即回调并关闭，非法则提示「无法识别」并继续扫描。
+    private func handleScan(_ raw: String)
+    {
+        guard let parsed = parseLinkApprovalUrl(raw) else
+        {
+            invalid = true
+            return
+        }
+        onScanned(parsed.requestId, parsed.code)
+        dismiss()
+    }
+}
+
+// 解析扫到的登录二维码（/link?r=&c=）：仅校验路径为 /link 且 r/c 非空。origin 不强校验——r/c 一律
+// 发往本端自己的后端，外站码只会 404（无开放重定向风险），对齐 web 桌面侧的放宽逻辑（见 net/qr.ts）。
+private func parseLinkApprovalUrl(_ raw: String) -> (requestId: String, code: String)?
+{
+    guard let comp = URLComponents(string: raw), comp.path == "/link" else { return nil }
+    let items = comp.queryItems ?? []
+    guard let r = items.first(where: { $0.name == "r" })?.value, !r.isEmpty,
+          let c = items.first(where: { $0.name == "c" })?.value, !c.isEmpty
+    else { return nil }
+    return (r, c)
+}
+
+// DataScannerViewController 的 SwiftUI 封装：识别 QR 码，首个命中即回调（done 闸门避免重复触发）。
+private struct LoginScannerView: UIViewControllerRepresentable
+{
+    let onScan: (String) -> Void
+
+    func makeUIViewController(context: Context) -> DataScannerViewController
+    {
+        let scanner = DataScannerViewController(
+            recognizedDataTypes: [ .barcode(symbologies: [ .qr ]) ],
+            qualityLevel: .balanced,
+            isHighFrameRateTrackingEnabled: false,
+            isHighlightingEnabled: true)
+        scanner.delegate = context.coordinator
+        return scanner
+    }
+
+    func updateUIViewController(_ vc: DataScannerViewController, context: Context)
+    {
+        try? vc.startScanning()
+    }
+
+    func makeCoordinator() -> Coordinator { Coordinator(onScan: onScan) }
+
+    final class Coordinator: NSObject, DataScannerViewControllerDelegate
+    {
+        private let onScan: (String) -> Void
+        private var done = false
+
+        init(onScan: @escaping (String) -> Void) { self.onScan = onScan }
+
+        func dataScanner(_ scanner: DataScannerViewController,
+                         didAdd addedItems: [RecognizedItem],
+                         allItems: [RecognizedItem])
+        {
+            guard !done else { return }
+            for item in addedItems
+            {
+                if case let .barcode(barcode) = item, let str = barcode.payloadStringValue
+                {
+                    done = true
+                    onScan(str)
+                    return
+                }
+            }
+        }
+    }
+}
diff --git a/ios/CDrop/Widgets/ClipboardControls.swift b/ios/CDrop/Widgets/ClipboardControls.swift
index 7b1c630..46c0a51 100644
--- a/ios/CDrop/Widgets/ClipboardControls.swift
+++ b/ios/CDrop/Widgets/ClipboardControls.swift
@@ -3,7 +3,8 @@ import SwiftUI
 import WidgetKit
 
 // 控制中心两控件（iOS 18+ ControlWidget，PLAN 决策 C / §I4）：上传 / 拉取云剪贴板，零推送、
-// 用户主动触发。控件标签经 t() 跟随设备语言（i18n 单一真源，随扩展 bundle 一并打包）。
+// 用户主动触发。控件标签经 t() 跟随设备语言（i18n 单一真源，随扩展 bundle 一并打包）。另含主屏交互式
+// 小组件 CloudClipboardWidget（#6）：同样的上传 / 拉取，可放主屏 / 锁屏。
 @main
 struct CDropWidgetBundle: WidgetBundle
 {
@@ -11,6 +12,7 @@ struct CDropWidgetBundle: WidgetBundle
     {
         UploadClipboardControl()
         PullClipboardControl()
+        CloudClipboardWidget()
     }
 }
 
diff --git a/ios/CDrop/Widgets/ClipboardIntents.swift b/ios/CDrop/Widgets/ClipboardIntents.swift
index b7ec736..2e0015d 100644
--- a/ios/CDrop/Widgets/ClipboardIntents.swift
+++ b/ios/CDrop/Widgets/ClipboardIntents.swift
@@ -1,7 +1,8 @@
 import AppIntents
 import UIKit
 
-// 「上传剪贴板」控件动作：读本机剪贴板文本，经控件专用会话推到云剪贴板。
+// 「上传剪贴板」动作：读本机剪贴板文本，经控件专用会话推到云剪贴板。控制中心控件与主屏小组件按钮
+// 共用此 intent。App 外触发时经 WidgetFeedback 弹本地通知反馈成功 / 失败（#6）。
 struct UploadClipboardIntent: AppIntent
 {
     static var title: LocalizedStringResource = "上传剪贴板"
@@ -10,12 +11,29 @@ struct UploadClipboardIntent: AppIntent
     func perform() async throws -> some IntentResult
     {
         let text = await MainActor.run { UIPasteboard.general.string ?? "" }
-        if !text.isEmpty { try? await ClipboardClient.upload(text) }
+        guard !text.isEmpty else
+        {
+            await WidgetFeedback.post(t("ios.clipboard.empty"))
+            return .result()
+        }
+        do
+        {
+            try await ClipboardClient.upload(text)
+            await WidgetFeedback.post(t("ios.clipboard.uploaded"))
+        }
+        catch ClipboardClient.ClientError.noSession
+        {
+            await WidgetFeedback.post(t("ios.widget.needApp"))
+        }
+        catch
+        {
+            await WidgetFeedback.post(t("ios.clipboard.failed"))
+        }
         return .result()
     }
 }
 
-// 「拉取剪贴板」控件动作：拉云剪贴板内容写入本机剪贴板。
+// 「拉取剪贴板」动作：拉云剪贴板内容写入本机剪贴板。同上，App 外触发弹本地通知反馈。
 struct PullClipboardIntent: AppIntent
 {
     static var title: LocalizedStringResource = "拉取剪贴板"
@@ -23,9 +41,26 @@ struct PullClipboardIntent: AppIntent
 
     func perform() async throws -> some IntentResult
     {
-        if let text = try? await ClipboardClient.pull(), !text.isEmpty
+        do
         {
-            await MainActor.run { UIPasteboard.general.string = text }
+            let text = try await ClipboardClient.pull()
+            if text.isEmpty
+            {
+                await WidgetFeedback.post(t("ios.clipboard.empty"))
+            }
+            else
+            {
+                await MainActor.run { UIPasteboard.general.string = text }
+                await WidgetFeedback.post(t("ios.clipboard.pulled"))
+            }
+        }
+        catch ClipboardClient.ClientError.noSession
+        {
+            await WidgetFeedback.post(t("ios.widget.needApp"))
+        }
+        catch
+        {
+            await WidgetFeedback.post(t("ios.clipboard.failed"))
         }
         return .result()
     }
diff --git a/ios/CDrop/Widgets/CloudClipboardWidget.swift b/ios/CDrop/Widgets/CloudClipboardWidget.swift
new file mode 100644
index 0000000..1f5c32d
--- /dev/null
+++ b/ios/CDrop/Widgets/CloudClipboardWidget.swift
@@ -0,0 +1,92 @@
+import AppIntents
+import SwiftUI
+import WidgetKit
+
+// 主屏 / 锁屏小组件「云剪贴板」（#6）：在控制中心两控件之外，提供一个可放主屏的交互式小组件，含上传 /
+// 拉取两个按钮（iOS 17+ 交互式小组件，按钮直接跑 AppIntent，无需打开 app）。触发结果经 WidgetFeedback
+// 弹本地通知反馈。按钮复用与控制中心相同的 Upload/PullClipboardIntent。
+struct ClipboardWidgetEntry: TimelineEntry
+{
+    let date: Date
+}
+
+// 纯按钮小组件，无动态内容：单条永不刷新的时间线即可（交互由按钮的 AppIntent 驱动）。
+struct ClipboardWidgetProvider: TimelineProvider
+{
+    func placeholder(in context: Context) -> ClipboardWidgetEntry { ClipboardWidgetEntry(date: Date()) }
+
+    func getSnapshot(in context: Context, completion: @escaping (ClipboardWidgetEntry) -> Void)
+    {
+        completion(ClipboardWidgetEntry(date: Date()))
+    }
+
+    func getTimeline(in context: Context, completion: @escaping (Timeline<ClipboardWidgetEntry>) -> Void)
+    {
+        completion(Timeline(entries: [ ClipboardWidgetEntry(date: Date()) ], policy: .never))
+    }
+}
+
+struct ClipboardWidgetView: View
+{
+    @Environment(\.widgetFamily) private var family
+    var entry: ClipboardWidgetEntry
+
+    var body: some View
+    {
+        VStack(alignment: .leading, spacing: 10)
+        {
+            HStack(spacing: 6)
+            {
+                Image(systemName: "doc.on.clipboard")
+                    .foregroundStyle(.tint)
+                Text(t("ios.widget.clipboardName"))
+                    .font(.caption).bold()
+                    .lineLimit(1)
+            }
+            // 小尺寸纵向堆叠两按钮；中尺寸并排。
+            if family == .systemSmall
+            {
+                actionButton(t("ios.control.upload"), "square.and.arrow.up", UploadClipboardIntent())
+                actionButton(t("ios.control.pull"), "square.and.arrow.down", PullClipboardIntent())
+            }
+            else
+            {
+                HStack(spacing: 10)
+                {
+                    actionButton(t("ios.control.upload"), "square.and.arrow.up", UploadClipboardIntent())
+                    actionButton(t("ios.control.pull"), "square.and.arrow.down", PullClipboardIntent())
+                }
+            }
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .leading)
+        .padding()
+        .containerBackground(.fill.tertiary, for: .widget)
+    }
+
+    private func actionButton(_ title: String, _ symbol: String, _ intent: some AppIntent) -> some View
+    {
+        Button(intent: intent)
+        {
+            Label(title, systemImage: symbol)
+                .font(.caption2)
+                .lineLimit(1)
+                .frame(maxWidth: .infinity)
+        }
+        .buttonStyle(.bordered)
+        .tint(.cdropAccent)
+    }
+}
+
+struct CloudClipboardWidget: Widget
+{
+    var body: some WidgetConfiguration
+    {
+        StaticConfiguration(kind: "net.commilitia.cdrop.widget.clipboard", provider: ClipboardWidgetProvider())
+        { entry in
+            ClipboardWidgetView(entry: entry)
+        }
+        .configurationDisplayName(t("ios.widget.clipboardName"))
+        .description(t("ios.widget.clipboardDesc"))
+        .supportedFamilies([ .systemSmall, .systemMedium ])
+    }
+}
diff --git a/ios/CDrop/Widgets/WidgetFeedback.swift b/ios/CDrop/Widgets/WidgetFeedback.swift
new file mode 100644
index 0000000..3d70310
--- /dev/null
+++ b/ios/CDrop/Widgets/WidgetFeedback.swift
@@ -0,0 +1,19 @@
+import Foundation
+import UserNotifications
+
+// 控件 / 小组件在 App 外触发剪贴板操作时的成功 / 失败反馈（#6）：弹一条本地通知。控件 / 小组件在独立扩展
+// 进程运行、不开主 app，没有应用内横幅可用，故用本地通知作反馈。主 app 启动时已申请通知授权，扩展共享
+// 同一授权；未授权则系统静默忽略（best-effort，不抛错）。
+enum WidgetFeedback
+{
+    static func post(_ body: String) async
+    {
+        guard !body.isEmpty else { return }
+        let content = UNMutableNotificationContent()
+        content.title = t("app.brand")
+        content.body = body
+        // trigger nil＝立即送达。标识符随机，避免相邻多次反馈互相覆盖。
+        let req = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: nil)
+        try? await UNUserNotificationCenter.current().add(req)
+    }
+}
diff --git a/web/src/engine/main.ts b/web/src/engine/main.ts
index dd45fc2..287bc81 100644
--- a/web/src/engine/main.ts
+++ b/web/src/engine/main.ts
@@ -27,6 +27,7 @@ import { startHub } from "../features/transfer/hub";
 import { refreshICEServers, stopICEServerRefresh } from "../features/transfer/iceServers";
 import { cancelTransfer, skipWaitRelay, startOutgoingTransfer } from "../features/transfer/transfer";
 import { bridgeFileSource, isIOSShell, notifyNative, onNativeEvent } from "../net/ios";
+import { qrApprove, qrDeny, qrRequest } from "../net/qr";
 import { useAppStore } from "../store";
 import type { TransferRecord } from "../store/types";
 
@@ -277,6 +278,26 @@ function bindCommands(): void
         if (!p.device_id || !p.name) { return; }
         void renameSelf(p.device_id, p.name);
     });
+    // 扫码登录他端（#8）：原生（已登录）扫到另一台设备的登录二维码后，送来 { request_id, code }。
+    // 先拉请求信息回报原生供安全确认，再据原生指令批准 / 拒绝（qr.ts，走 apiFetch 带本机 Bearer）。
+    onNativeEvent("fetchLoginRequest", (payload) =>
+    {
+        const p = payload as { request_id?: string; code?: string };
+        if (!p.request_id || !p.code) { return; }
+        void fetchLoginRequest(p.request_id, p.code);
+    });
+    onNativeEvent("approveLogin", (payload) =>
+    {
+        const p = payload as { request_id?: string; code?: string };
+        if (!p.request_id || !p.code) { return; }
+        void approveLogin(p.request_id, p.code);
+    });
+    onNativeEvent("denyLogin", (payload) =>
+    {
+        const p = payload as { request_id?: string; code?: string };
+        if (!p.request_id || !p.code) { return; }
+        void denyLogin(p.request_id, p.code);
+    });
     // APNs 设备令牌登记：原生（AppDelegate）拿到令牌经桥送来，引擎用新鲜会话 token 上报后端。
     onNativeEvent("registerPush", (payload) =>
     {
@@ -392,6 +413,55 @@ async function renameSelf(deviceID: string, name: string): Promise<void>
     }
 }
 
+// 扫码登录他端（#8）：本机持完整会话，代另一台设备批准其登录请求。三步映射到 qr.ts：
+//   fetchLoginRequest → qrRequest 拉待批准设备信息，回报原生渲染确认（不盲批）；
+//   approveLogin → qrApprove 授予完整会话（full + persist，原生只接受 full）；
+//   denyLogin → qrDeny 拒绝。任一失败回报 loginFailed（码失效 / 已处理 / 网络），原生提示并清待批准态。
+async function fetchLoginRequest(requestId: string, code: string): Promise<void>
+{
+    try
+    {
+        const info = await qrRequest(requestId, code);
+        notifyNative("loginRequest", {
+            request_id: requestId,
+            code,
+            device_name: info.deviceName,
+            device_type: info.deviceType,
+            request_ip: info.requestIp,
+        });
+    }
+    catch
+    {
+        notifyNative("loginFailed", {});
+    }
+}
+
+async function approveLogin(requestId: string, code: string): Promise<void>
+{
+    try
+    {
+        await qrApprove(requestId, code, "full", "persist");
+        notifyNative("loginApproved", {});
+    }
+    catch
+    {
+        notifyNative("loginFailed", {});
+    }
+}
+
+async function denyLogin(requestId: string, code: string): Promise<void>
+{
+    try
+    {
+        await qrDeny(requestId, code);
+        notifyNative("loginDenied", {});
+    }
+    catch
+    {
+        notifyNative("loginFailed", {});
+    }
+}
+
 // healIOSIdentity corrects the display identity after a QR login. collectQRSession returns the
 // subject UUID as the name (cdrop holds no accounts table; qr.go), so the injected session shows
 // "你好, <uuid>". Once the token is live at the edge, /api/me carries the real X-Auth-Name: read
diff --git a/web/src/features/auth/auth.ts b/web/src/features/auth/auth.ts
index 626a276..3d5b257 100644
--- a/web/src/features/auth/auth.ts
+++ b/web/src/features/auth/auth.ts
@@ -129,8 +129,28 @@ async function brokerRefresh(refreshToken: string): Promise<BrokerRefreshResult>
 // (server-confirmed dead) lets the caller forceLogout, "transient" must keep state.
 export type RefreshOutcome = "refreshed" | "invalid" | "transient";
 
-// refreshTokens renews the access token; api.ts calls it lazily on a 401.
-export async function refreshTokens(): Promise<RefreshOutcome>
+// Single-flight guard. The broker rotates refresh tokens single-use: a refresh consumes
+// the current refresh token and returns a fresh pair, invalidating the old one. On a cold
+// boot after a long gap (iOS engine reopened next morning) the access token is expired, so
+// the boot's concurrent authed calls (SSE + /api/me + ICE + scope) all 401 at once. Without
+// this guard each 401 calls refreshTokens() in parallel with the SAME stored refresh token:
+// the first rotates it, the rest replay the now-invalidated token → broker 401 → "invalid"
+// → forceLogout → a spurious re-login every morning. Collapsing concurrent refreshes onto a
+// single in-flight promise means one rotation, one new pair, and every waiter retries with
+// the fresh access token. (Sequential refreshes are safe — each uses the latest token.)
+let refreshInFlight: Promise<RefreshOutcome> | null = null;
+
+// refreshTokens renews the access token; api.ts calls it lazily on a 401. Concurrent callers
+// share one in-flight refresh (see refreshInFlight) so a single-use rotating refresh token is
+// consumed exactly once.
+export function refreshTokens(): Promise<RefreshOutcome>
+{
+    if (refreshInFlight) { return refreshInFlight; }
+    refreshInFlight = doRefreshTokens().finally(() => { refreshInFlight = null; });
+    return refreshInFlight;
+}
+
+async function doRefreshTokens(): Promise<RefreshOutcome>
 {
     const store = useAppStore.getState();
     if (store.authMode !== "prod") { return "transient"; }
diff --git a/web/src/i18n/locales/en-US.ts b/web/src/i18n/locales/en-US.ts
index f72a20b..72a44c1 100644
--- a/web/src/i18n/locales/en-US.ts
+++ b/web/src/i18n/locales/en-US.ts
@@ -429,4 +429,24 @@ export const enUS: Partial<TranslationDict> = {
     "ios.control.upload": "Upload Clipboard",
     "ios.control.pull": "Pull Clipboard",
     "ios.control.sessionLabel": "{{name}} · Control",
+    "ios.settings.viewLogs": "View Logs",
+    "ios.logs.title": "Engine Logs",
+    "ios.logs.empty": "No logs yet",
+    "ios.logs.clear": "Clear Logs",
+    "ios.logs.copy": "Copy All",
+    "ios.scan.entry": "Scan to Sign In",
+    "ios.scan.title": "Scan QR Code",
+    "ios.scan.hint": "Point at the sign-in QR code on another device",
+    "ios.scan.invalid": "Unrecognized sign-in QR code",
+    "ios.scan.approveTitle": "Approve this device to sign in?",
+    "ios.scan.approve": "Approve",
+    "ios.scan.deny": "Deny",
+    "ios.scan.approved": "Device approved",
+    "ios.scan.denied": "Device denied",
+    "ios.scan.failed": "Action failed, please retry",
+    "ios.scan.cameraDenied": "Camera access is required to scan; enable it in Settings",
+    "ios.scan.requestIp": "Source IP",
+    "ios.widget.clipboardName": "Cloud Clipboard",
+    "ios.widget.clipboardDesc": "Quickly upload or pull the shared clipboard",
+    "ios.widget.needApp": "Open the app to sign in first",
 };
diff --git a/web/src/i18n/locales/zh-CN.ts b/web/src/i18n/locales/zh-CN.ts
index ee4b625..08fa37c 100644
--- a/web/src/i18n/locales/zh-CN.ts
+++ b/web/src/i18n/locales/zh-CN.ts
@@ -425,4 +425,24 @@ export const zhCN = {
     "ios.control.upload": "上传剪贴板",
     "ios.control.pull": "拉取剪贴板",
     "ios.control.sessionLabel": "{{name}} · 控件",
+    "ios.settings.viewLogs": "查看日志",
+    "ios.logs.title": "引擎日志",
+    "ios.logs.empty": "暂无日志",
+    "ios.logs.clear": "清空日志",
+    "ios.logs.copy": "复制全部",
+    "ios.scan.entry": "扫码登录设备",
+    "ios.scan.title": "扫码登录",
+    "ios.scan.hint": "对准另一台设备上的登录二维码",
+    "ios.scan.invalid": "无法识别的登录二维码",
+    "ios.scan.approveTitle": "批准此设备登录本账号？",
+    "ios.scan.approve": "批准登录",
+    "ios.scan.deny": "拒绝",
+    "ios.scan.approved": "已批准设备登录",
+    "ios.scan.denied": "已拒绝设备登录",
+    "ios.scan.failed": "操作失败，请重试",
+    "ios.scan.cameraDenied": "需要相机权限才能扫码，请在系统设置中开启",
+    "ios.scan.requestIp": "来源 IP",
+    "ios.widget.clipboardName": "云剪贴板",
+    "ios.widget.clipboardDesc": "快速上传或拉取设备间剪贴板",
+    "ios.widget.needApp": "请先打开 App 登录",
 } as const;
diff --git a/web/src/i18n/locales/zh-TW.ts b/web/src/i18n/locales/zh-TW.ts
index 1fa4a99..d58ef6c 100644
--- a/web/src/i18n/locales/zh-TW.ts
+++ b/web/src/i18n/locales/zh-TW.ts
@@ -429,4 +429,24 @@ export const zhTW: Partial<TranslationDict> = {
     "ios.control.upload": "上傳剪貼簿",
     "ios.control.pull": "拉取剪貼簿",
     "ios.control.sessionLabel": "{{name}} · 控制項",
+    "ios.settings.viewLogs": "檢視日誌",
+    "ios.logs.title": "引擎日誌",
+    "ios.logs.empty": "尚無日誌",
+    "ios.logs.clear": "清空日誌",
+    "ios.logs.copy": "複製全部",
+    "ios.scan.entry": "掃碼登入裝置",
+    "ios.scan.title": "掃碼登入",
+    "ios.scan.hint": "對準另一台裝置上的登入 QR 碼",
+    "ios.scan.invalid": "無法辨識的登入 QR 碼",
+    "ios.scan.approveTitle": "批准此裝置登入本帳號？",
+    "ios.scan.approve": "批准登入",
+    "ios.scan.deny": "拒絕",
+    "ios.scan.approved": "已批准裝置登入",
+    "ios.scan.denied": "已拒絕裝置登入",
+    "ios.scan.failed": "操作失敗，請重試",
+    "ios.scan.cameraDenied": "需要相機權限才能掃碼，請在系統設定中開啟",
+    "ios.scan.requestIp": "來源 IP",
+    "ios.widget.clipboardName": "雲剪貼簿",
+    "ios.widget.clipboardDesc": "快速上傳或拉取裝置間剪貼簿",
+    "ios.widget.needApp": "請先開啟 App 登入",
 };