feat: add favorite task templates and optimize evidence exports

apps/showcase_ui/src/app/components/chat-interface/chat-interface.component.html

@@ -125,8 +125,11 @@ limitations under the License.
               }
             </div>
           </div>
-          <div class="task-goal" title="{{ session.initial_goal }}">
-            {{ session.display_name || session.initial_goal || '未命名任务' }}
+          <div class="task-title-row">
+            <app-favorite-button [sourceId]="session.session_id" />
+            <div class="task-goal" title="{{ session.initial_goal }}">
+              {{ session.display_name || session.initial_goal || '未命名任务' }}
+            </div>
           </div>
           <div class="task-card-footer">
             <app-task-id-copy [taskId]="session.session_id" />

apps/showcase_ui/src/app/components/chat-interface/chat-interface.component.scss

@@ -559,6 +559,16 @@ $text-muted: #a1a1aa;
         }
       }
 
+      .task-title-row {
+        display: flex;
+        align-items: flex-start;
+        gap: 5px;
+        min-width: 0;
+
+        app-favorite-button { margin-top: -5px; }
+        .task-goal { flex: 1; min-width: 0; }
+      }
+
       .task-goal {
         font-size: 12.5px;
         font-weight: 500;

apps/showcase_ui/src/app/components/chat-interface/chat-interface.component.ts

@@ -1,4 +1,5 @@
 import { TaskIdCopyComponent } from '../task-id-copy/task-id-copy.component';
+import { FavoriteButtonComponent } from '../favorite-button/favorite-button.component';
 import { AutomationPanelComponent } from '../automation-panel/automation-panel.component';
 import { TaskHistoryComponent } from '../task-history/task-history.component';
 import { UiLabelPipe } from '../../utils/ui-label.pipe';
@@ -34,7 +35,7 @@ export type { MarkdownSegment, MarkdownLine, NoteMilestone, ParsedNote };
 @Component({
   selector: 'app-chat-interface',
   standalone: true,
-  imports: [TaskIdCopyComponent, UiLabelPipe, CommonModule, FormsModule, AutomationPanelComponent, TaskHistoryComponent, TestResultBadgeComponent, TaskModeBadgeComponent, TaskBatchFilterComponent],
+  imports: [FavoriteButtonComponent, TaskIdCopyComponent, UiLabelPipe, CommonModule, FormsModule, AutomationPanelComponent, TaskHistoryComponent, TestResultBadgeComponent, TaskModeBadgeComponent, TaskBatchFilterComponent],
   templateUrl: './chat-interface.component.html',
   styleUrl: './chat-interface.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush