Update app.py

app.py

@@ -1977,7 +1977,9 @@ Write Chapters 2-10 in English now."""
                 # Prepend language instruction to first user message
                 original_content = messages[0]["content"]
                 messages[0]["content"] = "**반드시 한국어로 응답하세요.**\n\n" + original_content
-            
+
+# call_llm_streaming 메서드에서 이 부분을 찾으세요 (약 3060-3070번째 줄):
+
             payload = {
                 "model": self.model_id,
                 "messages": full_messages,
@@ -1987,15 +1989,10 @@ Write Chapters 2-10 in English now."""
                 "stream": True,
                 "stream_options": {"include_usage": True}
             }
-            
-            # Some models support language parameter
-            if language == "Korean":
-                payload["language"] = "ko"
-            else:
-                payload["language"] = "en"
-            
+
             logger.info(f"API streaming call started - Role: {role}, Max tokens: {max_tokens}, Temperature: {temperature}, Language: {language}")
-            
+
+
             # Log the first part of system prompt for debugging
             if full_messages and full_messages[0]["role"] == "system":
                 system_preview = full_messages[0]["content"][:200] + "..." if len(full_messages[0]["content"]) > 200 else full_messages[0]["content"]