feat: 设备卡片显示系统名+版本 + 项目根 version.json

- SystemInfoCollector.platform 新增 release 字段 (内核版本)
- Sentinel 卡片每台设备显示: Linux 6.12.23 | aarch64
- 数据刷新时同步更新系统信息行
- 项目根 version.json: 本地版本清单

当前版本检测:
  UpdateService 每6h从 {repo}/raw/branch/{branch}/version.json 拉取
  对比 base_config.yaml 的 framework.version
  远程 > 本地 → 顶栏绿色按钮 + 设置页更新提示

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

config/permissions/pending_requests.json

@@ -570,5 +570,27 @@
       "framework.command.execute"
     ],
     "timestamp": 36524.109265649
+  },
+  "870510a6": {
+    "plugin_name": "example_plugin",
+    "permissions": [
+      "plugin.example.read",
+      "plugin.example.write",
+      "plugin.example.execute",
+      "framework.event.subscribe",
+      "framework.command.execute"
+    ],
+    "timestamp": 36655.276166328
+  },
+  "42d38ced": {
+    "plugin_name": "sentinel",
+    "permissions": [
+      "plugin.sentinel.read",
+      "plugin.sentinel.write",
+      "plugin.network.access",
+      "framework.event.subscribe",
+      "framework.command.execute"
+    ],
+    "timestamp": 36655.279458412
   }
 }