Fix: add Hugging Face Spaces config header

app.py

@@ -109,7 +109,7 @@ def init_pinecone():
 def load_embedding_model():
     """Sentence Transformer 모델을 로드합니다."""
     try:
-        model = SentenceTransformer(EMBEDDING_MODEL)
+        model = SentenceTransformer("my_model")
         logger.info(f"Successfully loaded embedding model: {EMBEDDING_MODEL}")
         return model
     except Exception as e: