```

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/components/chat-workbench/ChatWorkbench.tsx

@@ -5,7 +5,6 @@ import React from 'react';
 import type { ChatMessage, ProcessArtifact, ProcessEvent, ProcessRun } from '@/types';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
 import { MessageList } from '@/components/chat-workbench/MessageList';
-import { ProcessLane } from '@/components/chat-workbench/ProcessLane';
 import { ArtifactSidebar } from '@/components/chat-workbench/ArtifactSidebar';
 
 export function ChatWorkbench({
@@ -31,14 +30,15 @@ export function ChatWorkbench({
   onSelectRun: (runId: string) => void;
   onCancelRun: (runId: string) => void;
 }) {
-  const selectedRun = processRuns.find((item) => item.run_id === selectedRunId) || processRuns[0] || null;
+  const selectedRun = selectedRunId
+    ? processRuns.find((item) => item.run_id === selectedRunId) || null
+    : null;
   const selectedRunEvents = selectedRun
     ? processEvents.filter((item) => item.run_id === selectedRun.run_id)
     : [];
   const selectedRunArtifacts = selectedRun
     ? processArtifacts.filter((item) => item.run_id === selectedRun.run_id)
     : [];
-  const hasProcessLane = processRuns.length > 0;
   const hasResultsPanel = Boolean(
     selectedRun &&
       (
@@ -47,13 +47,9 @@ export function ChatWorkbench({
         selectedRunArtifacts.length > 0
       )
   );
-  const desktopColumns = hasProcessLane && hasResultsPanel
-    ? 'lg:grid-cols-[minmax(0,1fr)_360px_360px]'
-    : hasProcessLane
-      ? 'lg:grid-cols-[minmax(0,1fr)_360px]'
-      : hasResultsPanel
-        ? 'lg:grid-cols-[minmax(0,1fr)_360px]'
-        : 'lg:grid-cols-[minmax(0,1fr)]';
+  const desktopColumns = hasResultsPanel
+    ? 'lg:grid-cols-[minmax(0,1fr)_360px]'
+    : 'lg:grid-cols-[minmax(0,1fr)]';
 
   return (
     <>
@@ -64,19 +60,14 @@ export function ChatWorkbench({
             isThinking={isThinking}
             messagesEndRef={messagesEndRef}
             viewportRef={messageViewportRef}
+            processRuns={processRuns}
+            processEvents={processEvents}
+            processArtifacts={processArtifacts}
+            selectedRunId={selectedRun?.run_id || null}
+            onSelectRun={onSelectRun}
+            onCancelRun={onCancelRun}
           />
         </div>
-        {hasProcessLane && (
-          <div className="min-h-0">
-            <ProcessLane
-              runs={processRuns}
-              events={processEvents}
-              selectedRunId={selectedRun?.run_id || null}
-              onSelectRun={onSelectRun}
-              onCancelRun={onCancelRun}
-            />
-          </div>
-        )}
         {hasResultsPanel && (
           <div className="min-h-0">
             <ArtifactSidebar
@@ -89,25 +80,24 @@ export function ChatWorkbench({
       </div>
 
       <div className="lg:hidden h-full">
-        {!hasProcessLane && !hasResultsPanel ? (
+        {!hasResultsPanel ? (
           <MessageList
             messages={messages}
             isThinking={isThinking}
             messagesEndRef={messagesEndRef}
             viewportRef={messageViewportRef}
+            processRuns={processRuns}
+            processEvents={processEvents}
+            processArtifacts={processArtifacts}
+            selectedRunId={selectedRun?.run_id || null}
+            onSelectRun={onSelectRun}
+            onCancelRun={onCancelRun}
           />
         ) : (
           <Tabs defaultValue="chat" className="h-full flex flex-col">
             <div className="px-4 pt-3 border-b border-border">
-              <TabsList
-                className={`grid w-full ${
-                  hasProcessLane && hasResultsPanel
-                    ? 'grid-cols-3'
-                    : 'grid-cols-2'
-                }`}
-              >
+              <TabsList className="grid w-full grid-cols-2">
                 <TabsTrigger value="chat">聊天</TabsTrigger>
-                {hasProcessLane && <TabsTrigger value="process">过程</TabsTrigger>}
                 {hasResultsPanel && <TabsTrigger value="results">结果</TabsTrigger>}
               </TabsList>
             </div>
@@ -117,19 +107,14 @@ export function ChatWorkbench({
                 isThinking={isThinking}
                 messagesEndRef={messagesEndRef}
                 viewportRef={messageViewportRef}
+                processRuns={processRuns}
+                processEvents={processEvents}
+                processArtifacts={processArtifacts}
+                selectedRunId={selectedRun?.run_id || null}
+                onSelectRun={onSelectRun}
+                onCancelRun={onCancelRun}
               />
             </TabsContent>
-            {hasProcessLane && (
-              <TabsContent value="process" className="flex-1 min-h-0 mt-0">
-                <ProcessLane
-                  runs={processRuns}
-                  events={processEvents}
-                  selectedRunId={selectedRun?.run_id || null}
-                  onSelectRun={onSelectRun}
-                  onCancelRun={onCancelRun}
-                />
-              </TabsContent>
-            )}
             {hasResultsPanel && (
               <TabsContent value="results" className="flex-1 min-h-0 mt-0">
                 <ArtifactSidebar