From dd90c66f3528eec2a3db5167e2c35a2d61d11fb2 Mon Sep 17 00:00:00 2001
From: Haitao Pan <manbuzhe2009@qq.com>
Date: Fri, 10 Apr 2026 11:20:05 +0800
Subject: [PATCH] feat: add settings sidebar back to chat action

---
 lib/app/app_shell_desktop.dart                |   5 +
 lib/widgets/sidebar_navigation.dart           |   4 +
 .../sidebar_navigation_task_section.dart      | 100 +++++++++++++++---
 ...debar_navigation_settings_back_to_chat.png | Bin 0 -> 21641 bytes
 ...ion_settings_back_to_chat_golden_test.dart |  50 +++++++++
 test/widgets/sidebar_navigation_suite.dart    |  53 ++++++++++
 6 files changed, 196 insertions(+), 16 deletions(-)
 create mode 100644 test/golden/goldens/sidebar_navigation_settings_back_to_chat.png
 create mode 100644 test/golden/sidebar_navigation_settings_back_to_chat_golden_test.dart

diff --git a/lib/app/app_shell_desktop.dart b/lib/app/app_shell_desktop.dart
index 3b4a08ec..57aa0cfc 100644
--- a/lib/app/app_shell_desktop.dart
+++ b/lib/app/app_shell_desktop.dart
@@ -379,6 +379,11 @@ class _AppShellState extends State<AppShell> {
                                         controller,
                                         visibleExecutionTargets,
                                       ),
+                                  onReturnToAssistant: () {
+                                    controller.navigateTo(
+                                      WorkspaceDestination.assistant,
+                                    );
+                                  },
                                   onSelectTask: (sessionKey) async {
                                     controller.navigateTo(
                                       WorkspaceDestination.assistant,
diff --git a/lib/widgets/sidebar_navigation.dart b/lib/widgets/sidebar_navigation.dart
index cce3d922..8b8c2fcb 100644
--- a/lib/widgets/sidebar_navigation.dart
+++ b/lib/widgets/sidebar_navigation.dart
@@ -46,6 +46,7 @@ class SidebarNavigation extends StatelessWidget {
     this.assistantSkillCount = 0,
     this.onRefreshTasks,
     this.onCreateTask,
+    this.onReturnToAssistant,
     this.onSelectTask,
     this.onArchiveTask,
     this.onRenameTask,
@@ -81,6 +82,7 @@ class SidebarNavigation extends StatelessWidget {
   final int assistantSkillCount;
   final Future<void> Function()? onRefreshTasks;
   final Future<void> Function()? onCreateTask;
+  final VoidCallback? onReturnToAssistant;
   final Future<void> Function(String sessionKey)? onSelectTask;
   final Future<void> Function(String sessionKey)? onArchiveTask;
   final Future<void> Function(String sessionKey, String title)? onRenameTask;
@@ -123,6 +125,7 @@ class SidebarNavigation extends StatelessWidget {
                   if (!isCollapsed)
                     Expanded(
                       child: SidebarTaskSection(
+                        currentSection: currentSection,
                         items: taskItems,
                         visibleExecutionTargets: visibleExecutionTargets,
                         skillCount: assistantSkillCount,
@@ -130,6 +133,7 @@ class SidebarNavigation extends StatelessWidget {
                         onCycleSidebarState: onCycleSidebarState,
                         onRefreshTasks: onRefreshTasks,
                         onCreateTask: onCreateTask,
+                        onReturnToAssistant: onReturnToAssistant,
                         onSelectTask: onSelectTask,
                         onArchiveTask: onArchiveTask,
                         onRenameTask: onRenameTask,
diff --git a/lib/widgets/sidebar_navigation_task_section.dart b/lib/widgets/sidebar_navigation_task_section.dart
index 1c9a1c34..9a954c38 100644
--- a/lib/widgets/sidebar_navigation_task_section.dart
+++ b/lib/widgets/sidebar_navigation_task_section.dart
@@ -25,6 +25,7 @@ class SidebarTaskItem {
 class SidebarTaskSection extends StatefulWidget {
   const SidebarTaskSection({
     super.key,
+    required this.currentSection,
     required this.items,
     required this.visibleExecutionTargets,
     required this.skillCount,
@@ -32,11 +33,13 @@ class SidebarTaskSection extends StatefulWidget {
     required this.onCycleSidebarState,
     this.onRefreshTasks,
     this.onCreateTask,
+    this.onReturnToAssistant,
     this.onSelectTask,
     this.onArchiveTask,
     this.onRenameTask,
   });
 
+  final WorkspaceDestination currentSection;
   final List<SidebarTaskItem> items;
   final List<AssistantExecutionTarget> visibleExecutionTargets;
   final int skillCount;
@@ -44,6 +47,7 @@ class SidebarTaskSection extends StatefulWidget {
   final VoidCallback onCycleSidebarState;
   final Future<void> Function()? onRefreshTasks;
   final Future<void> Function()? onCreateTask;
+  final VoidCallback? onReturnToAssistant;
   final Future<void> Function(String sessionKey)? onSelectTask;
   final Future<void> Function(String sessionKey)? onArchiveTask;
   final Future<void> Function(String sessionKey, String title)? onRenameTask;
@@ -157,22 +161,26 @@ class _SidebarTaskSectionState extends State<SidebarTaskSection> {
         ),
         Padding(
           padding: const EdgeInsets.fromLTRB(4, 0, 4, 8),
-          child: FilledButton.tonalIcon(
-            key: const Key('workspace-sidebar-new-task-button'),
-            onPressed: widget.onCreateTask == null
-                ? null
-                : () async {
-                    await widget.onCreateTask!();
-                  },
-            icon: const Icon(Icons.edit_note_rounded),
-            label: Text(appText('新对话', 'New conversation')),
-            style: FilledButton.styleFrom(
-              minimumSize: const Size(0, 40),
-              shape: RoundedRectangleBorder(
-                borderRadius: BorderRadius.circular(10),
-              ),
-            ),
-          ),
+          child: widget.currentSection == WorkspaceDestination.settings
+              ? _SidebarBackToAssistantButton(
+                  onPressed: widget.onReturnToAssistant,
+                )
+              : FilledButton.tonalIcon(
+                  key: const Key('workspace-sidebar-new-task-button'),
+                  onPressed: widget.onCreateTask == null
+                      ? null
+                      : () async {
+                          await widget.onCreateTask!();
+                        },
+                  icon: const Icon(Icons.edit_note_rounded),
+                  label: Text(appText('新对话', 'New conversation')),
+                  style: FilledButton.styleFrom(
+                    minimumSize: const Size(0, 40),
+                    shape: RoundedRectangleBorder(
+                      borderRadius: BorderRadius.circular(10),
+                    ),
+                  ),
+                ),
         ),
         Padding(
           padding: const EdgeInsets.fromLTRB(4, 4, 4, 6),
@@ -341,6 +349,66 @@ class _SidebarTaskSectionState extends State<SidebarTaskSection> {
   }
 }
 
+class _SidebarBackToAssistantButton extends StatelessWidget {
+  const _SidebarBackToAssistantButton({required this.onPressed});
+
+  final VoidCallback? onPressed;
+
+  @override
+  Widget build(BuildContext context) {
+    final palette = context.palette;
+    final theme = Theme.of(context);
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        key: const Key('workspace-sidebar-back-to-chat-button'),
+        onTap: onPressed,
+        borderRadius: BorderRadius.circular(18),
+        child: Ink(
+          height: 56,
+          decoration: BoxDecoration(
+            color: palette.surfaceSecondary,
+            borderRadius: BorderRadius.circular(18),
+            border: Border.all(color: palette.strokeSoft),
+          ),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 12),
+            child: Row(
+              children: [
+                Container(
+                  width: 36,
+                  height: 36,
+                  decoration: BoxDecoration(
+                    shape: BoxShape.circle,
+                    border: Border.all(color: palette.textPrimary, width: 1.8),
+                  ),
+                  child: Icon(
+                    Icons.arrow_back_rounded,
+                    size: 24,
+                    color: palette.textPrimary,
+                  ),
+                ),
+                const SizedBox(width: 12),
+                Expanded(
+                  child: Text(
+                    appText('返回聊天', 'Back to chat'),
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                    style: theme.textTheme.titleMedium?.copyWith(
+                      fontWeight: FontWeight.w700,
+                      color: palette.textPrimary,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
 class _SidebarTaskGroup {
   const _SidebarTaskGroup({required this.executionTarget, required this.items});
 
diff --git a/test/golden/goldens/sidebar_navigation_settings_back_to_chat.png b/test/golden/goldens/sidebar_navigation_settings_back_to_chat.png
new file mode 100644
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HcmV?d00001

diff --git a/test/golden/sidebar_navigation_settings_back_to_chat_golden_test.dart b/test/golden/sidebar_navigation_settings_back_to_chat_golden_test.dart
new file mode 100644
index 00000000..b519f63b
--- /dev/null
+++ b/test/golden/sidebar_navigation_settings_back_to_chat_golden_test.dart
@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:golden_toolkit/golden_toolkit.dart';
+import 'package:xworkmate/i18n/app_language.dart';
+import 'package:xworkmate/models/app_models.dart';
+import 'package:xworkmate/widgets/sidebar_navigation.dart';
+
+import '../helpers/golden_test_bootstrap.dart';
+
+void main() {
+  setUpAll(() async {
+    await loadGoldenFonts();
+  });
+
+  testGoldens('settings sidebar shows back to chat action', (tester) async {
+    await pumpGoldenApp(
+      tester,
+      Align(
+        alignment: Alignment.topLeft,
+        child: SizedBox(
+          width: 344,
+          height: 920,
+          child: SidebarNavigation(
+            currentSection: WorkspaceDestination.settings,
+            sidebarState: AppSidebarState.expanded,
+            appLanguage: AppLanguage.zh,
+            themeMode: ThemeMode.light,
+            onSectionChanged: (_) {},
+            onToggleLanguage: () {},
+            onCycleSidebarState: () {},
+            onExpandFromCollapsed: () {},
+            onOpenHome: () {},
+            onOpenAccount: () {},
+            onOpenThemeToggle: () {},
+            onReturnToAssistant: () {},
+            accountName: 'Tester',
+            accountSubtitle: 'Workspace',
+            onToggleAccountWorkspaceFollowed: () async {},
+          ),
+        ),
+      ),
+      size: const Size(400, 960),
+    );
+
+    await screenMatchesGolden(
+      tester,
+      'sidebar_navigation_settings_back_to_chat',
+    );
+  });
+}
diff --git a/test/widgets/sidebar_navigation_suite.dart b/test/widgets/sidebar_navigation_suite.dart
index 14dbffbe..74c943a8 100644
--- a/test/widgets/sidebar_navigation_suite.dart
+++ b/test/widgets/sidebar_navigation_suite.dart
@@ -256,6 +256,10 @@ void main() {
         find.byKey(const Key('workspace-sidebar-new-task-button')),
         findsOneWidget,
       );
+      expect(
+        find.byKey(const Key('workspace-sidebar-back-to-chat-button')),
+        findsNothing,
+      );
       expect(find.text('任务列表'), findsOneWidget);
       expect(find.text('自动化'), findsNothing);
       expect(find.text('MCP Hub'), findsNothing);
@@ -269,6 +273,55 @@ void main() {
     },
   );
 
+  testWidgets('SidebarNavigation shows back to chat action on settings page', (
+    WidgetTester tester,
+  ) async {
+    var returnedToAssistant = 0;
+
+    await tester.pumpWidget(
+      MaterialApp(
+        theme: AppTheme.light(),
+        home: Scaffold(
+          body: SidebarNavigation(
+            currentSection: WorkspaceDestination.settings,
+            sidebarState: AppSidebarState.expanded,
+            appLanguage: AppLanguage.zh,
+            themeMode: ThemeMode.light,
+            onSectionChanged: (_) {},
+            onToggleLanguage: () {},
+            onCycleSidebarState: () {},
+            onExpandFromCollapsed: () {},
+            onOpenHome: () {},
+            onOpenAccount: () {},
+            onOpenThemeToggle: () {},
+            accountName: 'Tester',
+            accountSubtitle: 'Workspace',
+            onToggleAccountWorkspaceFollowed: () async {},
+            onReturnToAssistant: () => returnedToAssistant++,
+          ),
+        ),
+      ),
+    );
+    await tester.pumpAndSettle();
+
+    expect(
+      find.byKey(const Key('workspace-sidebar-back-to-chat-button')),
+      findsOneWidget,
+    );
+    expect(find.text('返回聊天'), findsOneWidget);
+    expect(
+      find.byKey(const Key('workspace-sidebar-new-task-button')),
+      findsNothing,
+    );
+
+    await tester.tap(
+      find.byKey(const Key('workspace-sidebar-back-to-chat-button')),
+    );
+    await tester.pumpAndSettle();
+
+    expect(returnedToAssistant, 1);
+  });
+
   testWidgets(
     'SidebarNavigation merges local and remote tasks into one gateway group',
     (WidgetTester tester) async {