fix: 智能体对话界面不显示工具选择按钮

www/app.js

@@ -3131,22 +3131,10 @@ function showAgentChatPage() {
         <div class="messages" id="messages"></div>
       </div>
       
-      <!-- 功能开关栏 -->
+      <!-- 功能栏（智能体对话不需要工具选择，工具由后台配置） -->
       <div class="feature-bar" id="featureBar">
         <div class="feature-left">
-          <button class="feature-btn thinking-btn" id="thinkingBtn">
-            <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>
-            <span>深度思考</span>
-          </button>
-          <button class="feature-btn search-btn" id="searchBtn">
-            <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 7 9.5 7 14 9.01 14 9.5 11.99 14 9.5 14z"/></svg>
-            <span>联网搜索</span>
-          </button>
-          <button class="feature-btn tools-btn" id="moreToolsBtn">
-            <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z"/></svg>
-            <span>更多工具</span>
-            ${enabledTools.length > 0 ? `<span class="tools-count">${enabledTools.length}</span>` : ''}
-          </button>
+          <!-- 智能体工具由后台配置，不显示选择按钮 -->
         </div>
         <div class="feature-right">
           <button class="feature-btn nav-btn" id="scrollTopBtn">