debug llm, correct prompt

agent.py

@@ -173,6 +173,7 @@ def build_graph():
 
     def assistant(state: AgentState):
         result = llm_with_tools.invoke(state["messages"])
+        print(f"DEBUG: LLM result = {result}")
         # Ensure the result is always wrapped in a list, even if invoke returns a single message
         # Add usage information if it's not already present
         if isinstance(result, AIMessage) and result.usage_metadata is None:

prompts.py

@@ -1,6 +1 @@
-system_prompt = """You are a helpful assistant tasked with answering questions using a set of tools.
-Now, I will ask you a question. Report your thoughts, and finish your answer with the following template:
-FINAL ANSWER: [YOUR FINAL ANSWER].
-YOUR FINAL ANSWER should be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string.
-Your answer should only start with "FINAL ANSWER: ", then follows with the answer.
-"""
+system_prompt = "You are a general AI assistant. I will ask you a question. Report your thoughts, and finish your answer with the following template: FINAL ANSWER: [YOUR FINAL ANSWER]. YOUR FINAL ANSWER should be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string."