Update queryrun.py

queryrun.py

@@ -345,8 +345,7 @@ class FAISSQuerySystem:
                 model="command-r-plus",
                 temperature=0.3,
                 prompt_truncation='AUTO',
-                chat_history=[],
-                context="You are an expert AI assistant. Answer the user's question based *only* on the provided document snippets. Cite the source document number (e.g., [Document 1]) when using information from it. If the answer isn't in the documents, state that clearly."  # Changed to 'context' instead of 'system_prompt'
+                preamble="You are an expert AI assistant. Answer the user's question based *only* on the provided document snippets. Cite the source document number (e.g., [Document 1]) when using information from it. If the answer isn't in the documents, state that clearly."
             )
             return self.stream_chat_completions(response.text)
         except Exception as e: