```

feat(agent): 添加对持久化子智能体的支持并增强委派管理

添加了持久化子智能体的完整生命周期管理功能，包括创建、更新、删除和查询API接口。
新增了子智能体的JSON-RPC通信协议支持，实现了远程调用和任务管理功能。

同时增强了委派管理器的功能：
- 添加了对本地委派、插件委派和本地回退的开关控制
- 实现了持久化子智能体任务的自动检测和本地执行保护
- 增加了对不同委派类型的权限验证机制

修改了智能体注册表以支持插件智能体的条件性包含，并更新了工具注册逻辑以支持可选工具。

BREAKING CHANGE: 委派管理器的构造函数签名已更改，添加了新的控制参数。
```

app-instance/frontend/app/(app)/page.tsx

@@ -1,8 +1,10 @@
 'use client';
 
+import Link from 'next/link';
 import React, { useCallback, useEffect, useLayoutEffect, useMemo, useRef, useState } from 'react';
-import { MessageSquare, Paperclip, Plus, Send, Trash2, X } from 'lucide-react';
+import { ArrowRight, Building2, MessageSquare, Paperclip, Plus, Send, Trash2, X } from 'lucide-react';
 
+import { OfficeStatusBadge } from '@/components/office/OfficeShared';
 import { ChatWorkbench } from '@/components/chat-workbench/ChatWorkbench';
 import { Button } from '@/components/ui/button';
 import { ScrollArea } from '@/components/ui/scroll-area';
@@ -19,6 +21,7 @@ import {
   uploadFile,
   wsManager,
 } from '@/lib/api';
+import { buildOfficeTaskList, isOfficeTaskTerminal } from '@/lib/office';
 import { useChatStore } from '@/lib/store';
 import type { ChatMessage, FileAttachment, ProcessWsEvent, SessionUpdatedEvent, SlashCommand, WsEvent } from '@/types';
 
@@ -133,6 +136,19 @@ export default function ChatPage() {
     );
   }, [commands, input]);
 
+  const officeTasks = useMemo(
+    () => buildOfficeTaskList({
+      sessionId,
+      sessions,
+      processRuns,
+      processEvents,
+      processArtifacts,
+    }),
+    [processArtifacts, processEvents, processRuns, sessionId, sessions]
+  );
+
+  const currentOfficeTask = officeTasks.find((task) => !isOfficeTaskTerminal(task.status)) ?? officeTasks[0] ?? null;
+
   const loadSessions = useCallback(async () => {
     try {
       const list = await listSessions();
@@ -544,6 +560,37 @@ export default function ChatPage() {
       </div>
 
       <div className="flex-1 flex flex-col min-w-0">
+        {currentOfficeTask ? (
+          <div className="border-b border-border bg-background/90 px-4 py-3 backdrop-blur">
+            <div className="mx-auto flex max-w-6xl flex-col gap-3 lg:flex-row lg:items-center lg:justify-between">
+              <div className="min-w-0">
+                <div className="flex flex-wrap items-center gap-2">
+                  <div className="flex items-center gap-2 text-sm font-medium">
+                    <Building2 className="h-4 w-4" />
+                    当前任务现场
+                  </div>
+                  <OfficeStatusBadge status={currentOfficeTask.status} />
+                </div>
+                <div className="mt-1 truncate text-sm text-muted-foreground">
+                  {currentOfficeTask.title}
+                  <span className="ml-2">主 Agent: {currentOfficeTask.rootActorName}</span>
+                </div>
+              </div>
+              <div className="flex shrink-0 items-center gap-2">
+                <Button asChild variant="outline" size="sm">
+                  <Link href="/office">查看全部 Office</Link>
+                </Button>
+                <Button asChild size="sm">
+                  <Link href={`/office/${encodeURIComponent(currentOfficeTask.taskId)}`}>
+                    查看任务现场
+                    <ArrowRight className="ml-2 h-4 w-4" />
+                  </Link>
+                </Button>
+              </div>
+            </div>
+          </div>
+        ) : null}
+
         <div className="flex-1 min-h-0">
           <ChatWorkbench
             messages={messages}
@@ -554,7 +601,7 @@ export default function ChatPage() {
             processEvents={processEvents}
             processArtifacts={processArtifacts}
             selectedRunId={selectedRunId}
-            onSelectRun={setSelectedRunId}
+            onSelectRun={(runId) => setSelectedRunId(selectedRunId === runId ? null : runId)}
             onCancelRun={handleCancelRun}
           />
         </div>