refactor: 统一使用现代类型注解替代传统类型注解

- 将 Dict、List 等传统类型注解替换为 dict、list 等现代类型注解
- 更新类型注解以更精确地反映变量类型
- 修复部分类型注解与实际使用不匹配的问题
- 优化部分代码逻辑以提高类型安全性

host_client/config.py

@@ -46,9 +46,9 @@ class HostConfig:
         self.metaso_api_key: Optional[str] = data.get("METASO_API_KEY")
 
         serves_users = data.get("SERVES_USERS", [])
-        self.serves_users: List[str] = serves_users if isinstance(serves_users, list) else []
+        self.serves_users: list[str] = serves_users if isinstance(serves_users, list) else []
 
-        self.capabilities: List[str] = data.get(
+        self.capabilities: list[str] = data.get(
             "CAPABILITIES",
             ["claude_code", "shell", "file_ops", "web", "scheduler"],
         )

host_client/main.py

@@ -10,16 +10,15 @@ import asyncio
 import logging
 import secrets
 import time
-from typing import Optional
+from typing import Any, Optional
 
 import websockets
-from websockets.client import WebSocketClientProtocol
 
 from agent.manager import manager
 from agent.scheduler import scheduler
 from agent.task_runner import task_runner
 from host_client.config import HostConfig, get_host_config
-from orchestrator.agent import run as run_mailboy
+from orchestrator.agent import agent
 from orchestrator.tools import set_current_user, set_current_chat
 from shared import (
     RegisterMessage,
@@ -40,7 +39,7 @@ class NodeClient:
 
     def __init__(self, config: HostConfig):
         self.config = config
-        self.ws: Optional[WebSocketClientProtocol] = None
+        self.ws: Any = None
         self._running = False
         self._last_heartbeat = time.time()
         self._reconnect_delay = 1.0
@@ -94,7 +93,7 @@ class NodeClient:
         set_current_chat(request.chat_id)
 
         try:
-            reply = await run_mailboy(request.user_id, request.text)
+            reply = await agent.run(request.user_id, request.text)
 
             response = ForwardResponse(
                 id=request.id,