feat: Update application with new changes10

app/services/retrieval.py

@@ -69,7 +69,9 @@ def load_retrieval_artifacts():
     # 2. Load the Sentence Transformer model for encoding queries
     logger.info(f"Loading Sentence Transformer model: {settings.QUERY_ENCODER_MODEL_NAME}...")
     try:
-        query_encoder = SentenceTransformer(settings.QUERY_ENCODER_MODEL_NAME, device=device)
+        cache_dir = "data/cache/"
+        logger.info(f"Using cache directory for models: {cache_dir}")
+        query_encoder = SentenceTransformer(settings.QUERY_ENCODER_MODEL_NAME, device=device,cache_folder=cache_dir)
         query_encoder.eval()
         state.query_encoder_model = query_encoder
         logger.info("Query encoder model loaded successfully.")