Update rag_service.py

rag_service.py

@@ -157,7 +157,7 @@ class RAGService:
             # Check if RAG retrieval finds relevant context
             context_length = self._check_context_length(question)
             
-            if context_length > 0:
+            if context_length >= 0:
                 # Get the retrieved context for potential clarification
                 retrieved_docs = self.retriever.invoke(question)
                 parsed_context = self.parse_docs(retrieved_docs)