Fix/memory bug fix (#128)

* 图谱数据量限制数量去掉

* 图谱数据量限制数量去掉

* 图谱数据量限制数量去掉

* 用户详情优化

* 用户详情优化

* 用户详情优化

* 用户详情优化

* 用户详情优化

* 用户详情优化

* 读取的接口，去掉全局锁

api/app/services/memory_agent_service.py

@@ -9,7 +9,7 @@ import os
 import re
 import time
 import uuid
-from threading import Lock
+
 from typing import Any, AsyncGenerator, Dict, List, Optional
 
 import redis
@@ -51,9 +51,7 @@ _neo4j_connector = Neo4jConnector()
 class MemoryAgentService:
     """Service for memory agent operations"""
     
-    def __init__(self):
-        self.user_locks: Dict[str, Lock] = {}
-        self.locks_lock = Lock()
+
 
     def writer_messages_deal(self,messages,start_time,group_id,config_id,message):
         messages = str(messages).replace("'", '"').replace('\\n', '').replace('\n', '').replace('\\', '')
@@ -83,12 +81,7 @@ class MemoryAgentService:
 
             raise ValueError(f"写入失败: {messages}")
     
-    def get_group_lock(self, group_id: str) -> Lock:
-        """Get lock for specific group to prevent concurrent processing"""
-        with self.locks_lock:
-            if group_id not in self.user_locks:
-                self.user_locks[group_id] = Lock()
-            return self.user_locks[group_id]
+
     
     def extract_tool_call_info(self, event: Dict) -> bool:
         """Extract tool call information from event"""
@@ -417,11 +410,6 @@ class MemoryAgentService:
         except ImportError:
             audit_logger = None
 
-        # Get group lock to prevent concurrent processing
-        group_lock = self.get_group_lock(group_id)
-
-        with group_lock:
-            # Step 1: Load configuration from database only
         try:
             config_service = MemoryConfigService(db)
             memory_config = config_service.load_memory_config(