导入方式修改

backend/app/main_graph/nodes/rag_nodes.py

@@ -7,16 +7,17 @@ import time
 import asyncio
 from typing import Optional
 from datetime import datetime
+from langchain_core.runnables.config import RunnableConfig
 
-from app.main_graph.state import MainGraphState, ErrorRecord, ErrorSeverity
-from app.main_graph.utils.retry_utils import RAG_RETRY_CONFIG
-from app.logger import info
+from ...main_graph.state import MainGraphState, ErrorRecord, ErrorSeverity
+from ...main_graph.utils.retry_utils import RAG_RETRY_CONFIG
+from ...logger import info
 from ._utils import dispatch_custom_event, make_react_event
 
 
 def _get_rag_tool() -> Optional[callable]:
     """获取 RAG 工具"""
-    from app.main_graph.utils.rag_initializer import get_rag_tool
+    from backend.app.main_graph.utils.rag_initializer import get_rag_tool
     return get_rag_tool()
 
 
@@ -35,6 +36,9 @@ async def _rag_retrieve_core(state: MainGraphState, rag_tool: callable) -> MainG
     # 调用 RAG 工具
     rag_context = await rag_tool.ainvoke(retrieval_query)
     info(f"[RAG Core] 获取到 rag_context: {type(rag_context)}, 长度={len(rag_context) if rag_context else 0}")
+    info(f"[RAG Core] ========== RAG 返回的知识内容 ==========")
+    info(f"{rag_context[:500]}..." if len(rag_context) > 500 else rag_context)
+    info(f"[RAG Core] ========================================")
 
     state.rag_context = rag_context
     state.rag_docs = [{"source": "rag_retrieval", "content": rag_context}]
@@ -47,7 +51,7 @@ async def _rag_retrieve_core(state: MainGraphState, rag_tool: callable) -> MainG
 
 
 # ========== RAG 检索节点 ==========
-async def rag_retrieve_node(state: MainGraphState, config: Optional[dict] = None) -> MainGraphState:
+async def rag_retrieve_node(state: MainGraphState, config: Optional[RunnableConfig] = None) -> MainGraphState:
     """RAG 检索节点：带超时和重试"""
     state.current_phase = "rag_retrieving"
     start_time = time.time()
@@ -156,7 +160,7 @@ async def rag_retrieve_node(state: MainGraphState, config: Optional[dict] = None
     return state
 
 
-async def rag_re_retrieve_node(state: MainGraphState, config: Optional[dict] = None) -> MainGraphState:
+async def rag_re_retrieve_node(state: MainGraphState, config: Optional[RunnableConfig] = None) -> MainGraphState:
     """重新检索节点"""
     state.current_phase = "rag_re_retrieving"