refactor: Improve focus management in list views by removing unnecessary delays and ensuring immediate focus upon view appearance and data source switch notifications.

Author: chiimagnus

SyncNos/Views/AppleBooks/AppleBooksListView.swift

@@ -133,14 +133,14 @@ struct AppleBooksListView: View {
                     await viewModel.loadBooks()
                 }
             }
-            // 延迟获取焦点，确保视图已完全加载
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+            // 获取焦点（避免额外延迟引入的竞态）
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }
         // 监听数据源切换通知，切换到此视图时获取焦点
         .onReceive(NotificationCenter.default.publisher(for: Notification.Name("DataSourceSwitchedToAppleBooks")).receive(on: DispatchQueue.main)) { _ in
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }

SyncNos/Views/Chats/ChatListView.swift

@@ -78,14 +78,14 @@ struct ChatListView: View {
         .listStyle(.sidebar)
         .focused($isListFocused)
         .onAppear {
-            // 延迟获取焦点，确保视图已完全加载
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+            // 获取焦点（避免额外延迟引入的竞态）
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }
         // 监听数据源切换通知，切换到此视图时获取焦点
         .onReceive(NotificationCenter.default.publisher(for: Notification.Name("DataSourceSwitchedToChats")).receive(on: DispatchQueue.main)) { _ in
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }

SyncNos/Views/Dedao/DedaoListView.swift

@@ -115,14 +115,14 @@ struct DedaoListView: View {
                     await viewModel.loadBooks()
                 }
             }
-            // 延迟获取焦点，确保视图已完全加载
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+            // 获取焦点（避免额外延迟引入的竞态）
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }
         // 监听数据源切换通知，切换到此视图时获取焦点
         .onReceive(NotificationCenter.default.publisher(for: Notification.Name("DataSourceSwitchedToDedao")).receive(on: DispatchQueue.main)) { _ in
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }

SyncNos/Views/GoodLinks/GoodLinksListView.swift

@@ -134,14 +134,14 @@ struct GoodLinksListView: View {
                     await viewModel.loadRecentLinks()
                 }
             }
-            // 延迟获取焦点，确保视图已完全加载
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+            // 获取焦点（避免额外延迟引入的竞态）
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }
         // 监听数据源切换通知，切换到此视图时获取焦点
         .onReceive(NotificationCenter.default.publisher(for: Notification.Name("DataSourceSwitchedToGoodLinks")).receive(on: DispatchQueue.main)) { _ in
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }

SyncNos/Views/WeRead/WeReadListView.swift

@@ -108,14 +108,14 @@ struct WeReadListView: View {
                     await viewModel.loadBooks()
                 }
             }
-            // 延迟获取焦点，确保视图已完全加载
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+            // 获取焦点（避免额外延迟引入的竞态）
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }
         // 监听数据源切换通知，切换到此视图时获取焦点
         .onReceive(NotificationCenter.default.publisher(for: Notification.Name("DataSourceSwitchedToWeRead")).receive(on: DispatchQueue.main)) { _ in
-            DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
+            DispatchQueue.main.async {
                 isListFocused = true
             }
         }