Update prompts.yaml

prompts.yaml

@@ -4,8 +4,11 @@ final_answer:
     Do not include commentary or additional reasoning — just return the final output.
   pre_messages: |-
     You are about to provide the final answer. Please ensure the task is complete and the answer is concise and correct.
+  post_messages: |-
+    The final answer has been submitted successfully. No further steps are needed.
   planning: ""
 
+
 get_current_time_in_timezone:
   system_prompt: |-
     Use this tool to get the current time in any timezone (e.g., "Asia/Kolkata", "America/New_York").