fix: preserve exploration demonstration source and recording scope

apps/showcase_ui/src/app/components/agent-stream/agent-stream.component.html

@@ -571,7 +571,7 @@ limitations under the License.
             <article class="exploration-message" [class.user]="message.role === 'user'" [class.assistant]="message.role === 'assistant'" [class.question]="pendingQuestion() === message.id" [class.system]="message.role === 'system'">
               <small><span class="material-symbols-outlined">{{message.role === 'user' ? 'person' : message.role === 'assistant' ? 'auto_awesome' : 'info'}}</span>{{message.role === 'user' ? '你的指导' : message.role === 'assistant' ? '探索助手' : '探索记录'}} · {{message.created_at * 1000 | date:'HH:mm:ss'}} @if(pendingQuestion() === message.id){<b>等待你回答</b>}</small>
               <div class="markdown-content" [innerHTML]="renderMarkdown(message.text, phase.id)"></div>
-              @if(message.recommendation){<div class="recommendation">建议：{{message.recommendation}} @if(pendingQuestion() === message.id){<button (click)="useRecommendation.emit(message.recommendation)">采用建议</button>}</div>}
+              @if(message.recommendation){<div class="recommendation">建议回复：{{message.recommendation}} @if(pendingQuestion() === message.id){<button (click)="useRecommendation.emit(message.recommendation)">填入回复</button>}</div>}
             </article>
           } @else {
           <div class="phase-container">