1. LLM接口改为字节级流式接口，防止超时错误，也避免utf-8长字节字符拼接错误

utils/forum_reader.py

@@ -6,10 +6,7 @@ Forum日志读取工具
 import re
 from pathlib import Path
 from typing import Optional, List, Dict
-import logging
-
-logger = logging.getLogger(__name__)
-
+from loguru import logger
 
 def get_latest_host_speech(log_dir: str = "logs") -> Optional[str]:
     """