Remove run node UI and expire registrations

platform_web/routes/routes.md

@@ -10,7 +10,7 @@ First-party routes must be declared here before page implementation.
 - `/plugins`: 插件市场.
 - `/users`: 用户管理.
 - `/ai-providers`: AI 提供商管理.
-- `/maintenance`: 系统维护（运行节点与失败任务）.
+- `/maintenance`: 系统维护（服务器异常与失败任务）.
 - `/plugin-pages/:pluginId/:routeKey?serverInstanceId=:serverId`: platform-hosted plugin page route with optional server context; IDs are URL encoded and the route is not shown in primary navigation.
 
 ## Role Scoping

platform_web/routes/routes.ts

@@ -80,7 +80,7 @@ export const firstPartyRoutes: PageRoute[] = [
     label: "系统维护",
     path: "/maintenance",
     hash: "#/maintenance",
-    description: "运行节点健康与失败任务",
+    description: "服务器异常与失败任务",
     requiredCapability: "system.maintenance",
     showInNav: true
   }