fix：sso_login成功后sessionStorage中存入toolId空值，空值默认高亮

src/components/ChatEditor/index.tsx

@@ -150,7 +150,8 @@ const ChatEditorBase: React.FC<ChatEditorProps & WithAuthProps> = ({ checkAuth,
   useEffect(() => {
     const syncSessionToolId = () => {
       const storedToolId = sessionStorage.getItem('currentToolId')
-      setSessionToolId(storedToolId)
+      // 如果 currentToolId 是空字符串，视为 null，确保通用模式能正确高亮
+      setSessionToolId(storedToolId && storedToolId.trim() ? storedToolId : null)
     }
     syncSessionToolId()
     window.addEventListener('storage', syncSessionToolId)
@@ -162,7 +163,8 @@ const ChatEditorBase: React.FC<ChatEditorProps & WithAuthProps> = ({ checkAuth,
   // 当路由变化时，同步更新 sessionToolId（因为 storage 事件不会在同标签页触发）
   useEffect(() => {
     const storedToolId = sessionStorage.getItem('currentToolId')
-    setSessionToolId(storedToolId)
+    // 如果 currentToolId 是空字符串，视为 null，确保通用模式能正确高亮
+    setSessionToolId(storedToolId && storedToolId.trim() ? storedToolId : null)
   }, [toolIdFromUrl])
 
   const startAnimation = () => {

src/pages/Home/HomeNew.tsx

@@ -171,6 +171,7 @@ export const Home: React.FC = () => {
               storageArea: localStorage,
             }),
           )
+          sessionStorage.setItem('currentToolId', '')
           initConversation()
           dispatch(fetchConversations())
         }