feat：修复下载数据集问题、删除数据确认框、修改标题、添加列表轮询刷新 (#16)

* refactor: clean up tag management and dataset handling, update API endpoints

* feat: add showTime prop to DevelopmentInProgress component across multiple pages

* refactor: update component styles and improve layout with new utility classes

* feat: enhance useFetchData hook with polling functionality and improve task progress tracking

* feat: enhance dataset management features with improved tag handling, download functionality, and UI updates

* feat: Enhance DatasetDetail component with delete functionality and improved download handling

feat: Add automatic data refresh and improved user feedback in DatasetManagementPage

fix: Update dataset API to streamline download functionality and improve error handling

* feat: Clear new tag input after successful addition in TagManager

frontend/src/pages/Layout/Sidebar.tsx

@@ -71,7 +71,7 @@ const AsiderAndHeaderLayout = () => {
             <div className="w-8 h-8 bg-gradient-to-br from-blue-500 to-indigo-600 rounded-lg flex items-center justify-center">
               <Sparkles className="w-5 h-5 text-white" />
             </div>
-            <span className="text-lg font-bold text-gray-900">ModelEngine</span>
+            <span className="text-lg font-bold text-gray-900">DataMate</span>
           </NavLink>
         )}
         <span