修改readme

backend/app/agent/agent_service.py

@@ -10,7 +10,6 @@ import asyncio
 from ..main_graph.utils.main_graph_builder import build_react_main_graph
 from ..main_graph.tools.graph_tools import AVAILABLE_TOOLS, TOOLS_BY_NAME
 from ..main_graph.config import set_stream_writer
-from ..model_services.chat_services import get_all_chat_services, LocalVLLMChatProvider
 from ..main_graph.utils.rag_initializer import init_rag_tool
 from ..core.intent_classifier import get_intent_classifier
 from ..logger import info, warning, error
@@ -33,18 +32,10 @@ class AIAgentService:
     async def initialize(self):
         # 0. 初始化 Mem0 客户端
         from ..memory.mem0_client import Mem0Client
-        # 创建一个临时的 LLM 用于 Mem0（用第一个可用的）
-        chat_services = get_all_chat_services()
-        temp_llm = None
-        if chat_services:
-            temp_llm = list(chat_services.values())[0]
-        self.mem0_client = Mem0Client(temp_llm)
+        self.mem0_client = Mem0Client()
         
         # 1. 初始化 RAG 工具（如果需要）
-        def create_local_llm():
-            provider = LocalVLLMChatProvider()
-            return provider.get_service()
-        rag_tool = await init_rag_tool(create_local_llm)
+        rag_tool = await init_rag_tool()
         if rag_tool:
             self.tools.append(rag_tool)
             self.tools_by_name[rag_tool.name] = rag_tool