Update app.py

app.py

@@ -16,7 +16,10 @@ import requests, os, json
 from requests.adapters import HTTPAdapter, Retry
 from typing import List, Optional, Dict, Any
 llm = ChatOpenAI(
-    model="gpt-5",openai_api_key="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")
+    model="openai/gpt-4.1",
+    openai_api_key="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",
+    openai_api_base="https://models.github.ai/inference",  # 👈 이게 base_url 역할
+)
 '''
 class GitHubModelLLM(LLM):
     """GitHub Models API를 사용하는 ChatOpenAI 대체 클래스"""