feat: 接入消息未读数、全部已读与首页红点角标同步。

固定消息中心为首页入口，并在推送到达、已读后刷新桌面角标。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/UI/MessageCenter/MessageCenterViewController.swift

@@ -19,6 +19,12 @@ final class MessageCenterViewController: BaseViewController, UITableViewDelegate
     private let loadingIndicator = UIActivityIndicatorView(style: .medium)
     private let footerSpinner = UIActivityIndicatorView(style: .medium)
     private let emptyLabel = UILabel()
+    private lazy var markAllReadButton = UIBarButtonItem(
+        title: "全部已读",
+        style: .plain,
+        target: self,
+        action: #selector(markAllReadTapped)
+    )
 
     private var dataSource: UITableViewDiffableDataSource<Section, MessageItem>!
 
@@ -46,6 +52,7 @@ final class MessageCenterViewController: BaseViewController, UITableViewDelegate
 
     override func setupNavigationBar() {
         title = "消息中心"
+        navigationItem.rightBarButtonItem = markAllReadButton
     }
 
     override func setupUI() {
@@ -79,7 +86,8 @@ final class MessageCenterViewController: BaseViewController, UITableViewDelegate
 
     override func setupConstraints() {
         tableView.snp.makeConstraints { make in
-            make.edges.equalTo(view.safeAreaLayoutGuide)
+            make.top.equalTo(view.safeAreaLayoutGuide)
+            make.leading.trailing.bottom.equalToSuperview()
         }
         loadingIndicator.snp.makeConstraints { make in
             make.center.equalToSuperview()
@@ -103,6 +111,11 @@ final class MessageCenterViewController: BaseViewController, UITableViewDelegate
                 self?.openDetail(message)
             }
         }
+        viewModel.onUnreadMessageCountChange = { count in
+            Task { @MainActor in
+                await PushNotificationManager.shared.updateApplicationIconBadgeCount(count)
+            }
+        }
     }
 
     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
@@ -125,6 +138,12 @@ final class MessageCenterViewController: BaseViewController, UITableViewDelegate
         }
     }
 
+    @objc private func markAllReadTapped() {
+        Task { @MainActor in
+            await viewModel.markAllAsRead(api: api)
+        }
+    }
+
     private func configureDataSource() {
         dataSource = UITableViewDiffableDataSource<Section, MessageItem>(tableView: tableView) { tableView, indexPath, item in
             let cell = tableView.dequeueReusableCell(
@@ -154,6 +173,7 @@ final class MessageCenterViewController: BaseViewController, UITableViewDelegate
         }
 
         tableView.tableFooterView = footerView()
+        markAllReadButton.isEnabled = !viewModel.isLoading && !viewModel.isMarkingAllAsRead
     }
 
     private func applySnapshot(animated: Bool) {