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/permissions/pending_requests.json

@@ -284,5 +284,27 @@
       "framework.command.execute"
     ],
     "timestamp": 27821.239961313
+  },
+  "2ae8c213": {
+    "plugin_name": "example_plugin",
+    "permissions": [
+      "plugin.example.read",
+      "plugin.example.write",
+      "plugin.example.execute",
+      "framework.event.subscribe",
+      "framework.command.execute"
+    ],
+    "timestamp": 27941.293164548
+  },
+  "dd24f0d1": {
+    "plugin_name": "sentinel",
+    "permissions": [
+      "plugin.sentinel.read",
+      "plugin.sentinel.write",
+      "plugin.network.access",
+      "framework.event.subscribe",
+      "framework.command.execute"
+    ],
+    "timestamp": 27941.297902882
   }
 }