diff --git a/lib/features/assistant/assistant_page.dart b/lib/features/assistant/assistant_page.dart
index 5ee369b4..22720203 100644
--- a/lib/features/assistant/assistant_page.dart
+++ b/lib/features/assistant/assistant_page.dart
@@ -1754,8 +1754,6 @@ class _ConversationArea extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final palette = context.palette;
-    final theme = Theme.of(context);
-    final statusStyle = _pillStyleForStatus(context, currentTask.status);
 
     return SurfaceCard(
       borderRadius: 0,
@@ -1768,47 +1766,7 @@ class _ConversationArea extends StatelessWidget {
             child: Row(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(
-                        currentTask.title,
-                        key: const Key('assistant-conversation-title'),
-                        style: theme.textTheme.titleLarge?.copyWith(
-                          fontWeight: FontWeight.w600,
-                        ),
-                      ),
-                      const SizedBox(height: 4),
-                      Wrap(
-                        spacing: 6,
-                        runSpacing: 6,
-                        children: [
-                          _StatusPill(
-                            label: currentTask.draft
-                                ? appText('草稿任务', 'Draft task')
-                                : _taskStatusLabel(currentTask.status),
-                            backgroundColor: statusStyle.backgroundColor,
-                            textColor: statusStyle.foregroundColor,
-                          ),
-                          _MetaPill(
-                            label: currentTask.owner,
-                            icon: Icons.smart_toy_outlined,
-                          ),
-                          _MetaPill(
-                            label: currentTask.surface,
-                            icon: Icons.forum_outlined,
-                          ),
-                          _MetaPill(
-                            label: controller.currentSessionKey,
-                            icon: Icons.tag_rounded,
-                          ),
-                        ],
-                      ),
-                    ],
-                  ),
-                ),
-                const SizedBox(width: 8),
+                const Spacer(),
                 Row(
                   mainAxisSize: MainAxisSize.min,
                   children: [
diff --git a/test/features/assistant_page_suite.dart b/test/features/assistant_page_suite.dart
index 11044804..73116324 100644
--- a/test/features/assistant_page_suite.dart
+++ b/test/features/assistant_page_suite.dart
@@ -25,7 +25,7 @@ import '../test_support.dart';
 
 void main() {
   testWidgets(
-    'AssistantPage desktop shows thread rail and creates draft thread',
+    'AssistantPage desktop hides conversation header text and shows thread rail',
     (WidgetTester tester) async {
       final controller = await createTestController(tester);
 
@@ -36,19 +36,11 @@ void main() {
       );
 
       expect(find.byKey(const Key('assistant-task-rail')), findsOneWidget);
-
-      final titleBefore = tester.widget<Text>(
+      expect(
         find.byKey(const Key('assistant-conversation-title')),
+        findsNothing,
       );
-      expect(titleBefore.data, '默认任务');
-
-      await tester.tap(find.byKey(const Key('assistant-new-task-button')));
-      await tester.pumpAndSettle();
-
-      final titleAfter = tester.widget<Text>(
-        find.byKey(const Key('assistant-conversation-title')),
-      );
-      expect(titleAfter.data, '新对话');
+      expect(controller.currentSessionKey, 'main');
     },
   );
 
@@ -132,6 +124,8 @@ void main() {
     );
 
     expect(find.text('当前 0'), findsOneWidget);
+    controller.dispose();
+    await tester.pump();
   });
 
   testWidgets('AssistantPage lets users rename task titles', (
@@ -167,12 +161,6 @@ void main() {
     await tester.pumpAndSettle();
 
     expect(find.text('研发任务'), findsWidgets);
-    expect(
-      tester
-          .widget<Text>(find.byKey(const Key('assistant-conversation-title')))
-          .data,
-      '研发任务',
-    );
     expect(controller.settings.assistantCustomTaskTitles['main'], '研发任务');
 
     await pumpPage(
@@ -362,7 +350,7 @@ void main() {
 
     expect(find.byKey(const Key('assistant-task-rail')), findsNothing);
     expect(
-      find.byKey(const Key('assistant-conversation-title')),
+      find.byKey(const Key('assistant-conversation-shell')),
       findsOneWidget,
     );
   });