更新日志目录创建逻辑，调整对话到工单的日期参数默认值，新增对话记录分析功能，优化API密钥管理器中的购买余额计算，并添加多个API密钥。同时，新增数据处理和分析模块以支持工单问答数据的上传和处理。

rag2_0/demo/heli_db_to_excel.py

@@ -29,7 +29,7 @@ logging.basicConfig(
     level=logging.INFO,
     format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
     handlers=[
-        logging.FileHandler('./data/log/mariadb_client.log'),
+        logging.FileHandler('./data/logs/mariadb_client.log'),
         logging.StreamHandler()
     ]
 )
@@ -267,6 +267,9 @@ class DataProcessor:
         # 转换为字典列表
         result = []
         for record in filtered_df.to_dict('records'):
+            # 如果上一条消息和当前消息的发送者、创建时间、消息内容相同，则跳过
+            if result and result[-1]['会话id'] == record['SESSION_ID'] and result[-1]['消息发送者'] == record['message_sender'] and result[-1]['创建时间'] == record['CREATE_TIME'] and result[-1]['消息内容'] == record['processed_content']:
+                continue
             result.append({
                 "账号id": record["ACCOUNT"],
                 "会话id": record["SESSION_ID"],