feat: 服务器资源趋势图表（Chart.js本地化+CPU/内存/磁盘趋势）

app/templates/index.html

@@ -13,6 +13,7 @@
   <script src="/static/js/tailwind.js"></script>
   <script>tailwind.config = { darkMode: 'class' };</script>
   <script src="/static/js/vue.global.prod.js"></script>
+  <script src="/static/js/chart.umd.js"></script>
   <script>window.APP_CONFIG = { appName: "{{ app_name }}" };</script>
   <style>
     html { -webkit-tap-highlight-color: transparent; }