readd entire chat history - see if this helps halucination

chain.py

@@ -130,14 +130,16 @@ class ChainBuilder:
         history = self.extract_chat_history(chat_messages_array)
         formatted_chat_history = []
         if len(history) > 0:
-            # grab at most just the last three sets of queries and respones as chat history for relevant context - limit history so as to not overflow 32k context window
-            for chat_message in history[-6:]:
+            # TODO grab at most just the last three sets of queries and respones as chat history for relevant context - limit history so as to not overflow 32k context window
+            # model seems to be hallucinating, readd entire chat history.
+            # for chat_message in history[-6:]:
+            for chat_message in history:
                 if chat_message["role"] == "user":
                     formatted_chat_history.append(HumanMessage(content=chat_message["content"]))
                 elif chat_message["role"] == "assistant":
                     formatted_chat_history.append(AIMessage(content=chat_message["content"]))
         return formatted_chat_history
-
+    
     def get_query_rewrite_prompt(self):
         # Prompt template for query rewriting from chat history. This will translate a query such as "how does it work?" after a question like "what is spark?" to "how does spark work?"
         query_rewrite_template = """Based on the chat history below, we want you to generate a query for an external data source to retrieve relevant information so