Update prompts.yaml

added premessages for final answer

prompts.yaml

@@ -320,5 +320,17 @@
     Here is the final answer from your managed agent '{{name}}':
     {{final_answer}}
     
-"final_answer": |-
-  The final answer to the task is: {{answer}}
+"final_answer":
+  pre_messages: |-
+    You are an expert assistant tasked with providing a final answer to the given task. The answer must be structured with the following sections:
+    ### 1. Task outcome (short version)
+    ### 2. Task outcome (extremely detailed version)
+    ### 3. Additional context (if relevant)
+    Ensure the answer is clear, concise, and addresses the task fully.
+  template: |-
+    ### 1. Task outcome (short version):
+    {{answer}}
+    ### 2. Task outcome (extremely detailed version):
+    The task was to provide a final answer. The answer provided is: {{answer}}.
+    ### 3. Additional context (if relevant):
+    No additional context provided.