feat: 优化任务状态与进度体验

app/templates/index.html

@@ -1,4 +1,5 @@
 {% extends "base.html" %}
+{% set has_running_tasks = tasks | selectattr("status", "equalto", "running") | list | length > 0 %}
 {% block title %}任务列表 - 热榜评论分析工具{% endblock %}
 {% block content %}
 <div class="d-flex justify-content-between align-items-center mb-3">
@@ -57,10 +58,13 @@
           <th>操作</th>
         </tr>
       </thead>
-      <tbody id="task-table-body">
+      <tbody id="task-table-body" {% if has_running_tasks %}data-task-list-auto-poll="true"{% endif %}>
         {% include "partials/task_rows.html" %}
       </tbody>
     </table>
   </div>
 </section>
+{% if has_running_tasks %}
+<script>document.addEventListener("DOMContentLoaded", () => pollTaskListStatus());</script>
+{% endif %}
 {% endblock %}