fix: preserve staged Agent configuration update

src/pages/CloudAgents/CloudResources.tsx

@@ -25,7 +25,7 @@ export function CloudResources({ onChanged }: { onChanged: () => void }) {
   return <details className="rounded-lg border p-4" onToggle={e => { if (e.currentTarget.open && !data) void act(refresh); }}>
     <summary className="min-h-8 cursor-pointer text-sm font-medium">管理我的云端能力</summary>
     <div className="mt-4 space-y-6 text-sm">
-      <p className="text-xs leading-5 text-muted-foreground">连接、做事手册和子智能体属于你的个人账号。创建后在上面的目录选用，保存并发布后生效。</p>
+      <p className="text-xs leading-5 text-muted-foreground">连接与做事手册属于你的个人账号。创建后在目录选用，保存并发布后生效。</p>
       {error && <p role="alert" className="text-destructive">{error} <Button variant="ghost" onClick={() => void act(refresh)}>刷新能力</Button></p>}
       <section className="space-y-3"><div className="flex items-center justify-between"><h3 className="font-medium">MCP 连接</h3><Button type="button" size="sm" variant="outline" disabled={busy || Boolean(mcp)} onClick={() => setMcp('new')}>添加 MCP</Button></div>
         <p className="text-xs text-muted-foreground">连接由云端访问。凭据只用于你的连接，分享调用可在你已发布的授权范围内使用这些工具。</p>

src/pages/CloudAgents/ConfigurationFields.tsx

@@ -1,5 +1,5 @@
 import { useEffect, useState } from 'react';
-import { BookOpen, Brain, Library, Plug, RefreshCw, Users, Wrench } from 'lucide-react';
+import { BookOpen, Brain, Library, Plug, RefreshCw, Wrench } from 'lucide-react';
 import { cloudAgentsApi } from '@/lib/cloud-agents-api';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
@@ -11,7 +11,6 @@ const resourceSections = [
   { key: 'tools', label: '工具箱', title: '工具箱（Tool）', icon: Wrench, tone: 'blue' },
   { key: 'skills', label: '做事手册', title: '做事手册（Skill）', icon: BookOpen, tone: 'lilac' },
   { key: 'mcps', label: 'MCP 服务', title: 'MCP 服务', icon: Plug, tone: 'neutral' },
-  { key: 'subagents', label: '子智能体', title: '子智能体', icon: Users, tone: 'neutral' },
   { key: 'knowledges', label: '知识库', title: '知识库', icon: Library, tone: 'mint' },
 ] as const;