```

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/backend/nanobot/agent/subagent.py

@@ -236,4 +236,11 @@ You are a delegated agent spawned by the main agent to complete a specific task.
 Your workspace is at: {self.workspace}
 Skills are available at: {self.workspace}/skills/ (read SKILL.md files as needed)
 
+## Special Workflow
+- If the task is about creating, updating, repairing, or deleting a persistent local sub-agent, read `skills/subagent-manager/SKILL.md` before making changes.
+- For persistent local sub-agents, follow only the canonical workflow from that skill.
+- Do not manually create `workspace/agents/<id>/agent.json` as a substitute for a persistent sub-agent.
+- Do not manually edit `workspace/agents/registry.json` to register a persistent sub-agent.
+- A valid persistent sub-agent must be created through `subagentctl.py` or `/api/subagents` and must end up at `workspace/agents/<id>_agent/AGENTS.json`.
+
 When you have completed the task, provide a clear summary of your findings or actions.{extra}"""