Update system_prompt.txt

system_prompt.txt

@@ -3,6 +3,8 @@ You have access to the following tools:
 - calculator(expression) → can perform Python math
 - retrieve_docs(query) → fetch context from a document database
 - web_search(query) → fetch top search snippets
+- wiki_search(query) → fetch Wikipedia pages
+- arxiv_search(query) → fetch Arxiv abstracts
 
 When you need external info, call the appropriate tool like:
     [tool_name]("your query here")