Update rag

rag_engine.py

@@ -346,4 +346,7 @@ def process_query(query, top_k=5, word_limit=100):
     """Process a query through the RAG pipeline with proper formatting.
        This function wraps the cached query processing.
     """
-    return cached_process_query(query, top_k, word_limit)
+    return cached_process_query(query, top_k, word_limit)
+
+# Alias for backward compatibility
+load_model = cached_load_model