feat: WebUI 首页仪表盘 — CPU/MEM/进程内存 数字跳动动画

- animateNumber(): 900ms ease-out 缓动, 存储前值于 data-val
- CPU%、MEM%、进程内存 三个指标使用跳动动画
- 与 Sentinel 卡片动画风格统一

Co-Authored-By: Claude <noreply@anthropic.com>

config/plugins/commands.yaml

@@ -101,7 +101,7 @@ commands:
     permissions:
     - framework.command.test
     source: internal
-last_updated: 27821.221132094
+last_updated: 27941.282839757
 plugin_commands:
   example_plugin:
     echo: *id001