feat: Sentinel 数字跳动动画 + 进度条平滑过渡

- 数字 count-up/down: requestAnimationFrame + ease-out cubic, 350ms
- 中间值过渡: 15%→22% 会显示 15.2,16.1,17.5...22.0
- 进度条: CSS transition 自动处理宽度变化
- 卡片 DOM 复用: 更新值而非重建 innerHTML

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

config/plugins/commands.yaml

@@ -101,7 +101,7 @@ commands:
     permissions:
     - framework.command.test
     source: internal
-last_updated: 27154.562528494
+last_updated: 27252.853477519
 plugin_commands:
   example_plugin:
     echo: *id001