init

services/llm_factory.py

@@ -0,0 +1,16 @@
+from typing import Optional
+from langchain_openai import ChatOpenAI
+from config import Config
+
+
+def create_chat_model(model_section: Optional[str] = None) -> ChatOpenAI:
+    """创建 LLM 实例"""
+    model_config = Config.get_model_config(model_section)
+    return ChatOpenAI(
+        model=model_config['model'],
+        api_key=model_config['api_key'],
+        base_url=model_config.get('base_url'),
+        temperature=0.1,
+        max_retries=Config.MAX_RETRIES,
+        timeout=Config.TIMEOUT
+    )