Update app/main.py

app/main.py

@@ -118,7 +118,7 @@ async def get_quiz(
     }
     """
     try:
-        quiz = await call_cerebras_quiz_api(difficulty)
+        quiz = await call_cerebras_quiz_api(difficulty, language)
     except Exception as e:
         # 拡張側が扱いやすいように 500 + メッセージだけ返す
         raise HTTPException(status_code=500, detail=str(e))