Update prompts.yaml

prompts.yaml

@@ -321,7 +321,10 @@
     {{final_answer}}
 final_answer: # <--- This key now starts a dictionary
   pre_messages: |- # <--- This is a required key INSIDE final_answer
-    You have successfully solved the task and obtained the final answer. Present the final answer below. # <--- Template text before the answer generation
+    You have successfully solved the task and obtained the final answer. Format the final answer below. # <--- Template text before the answer generation
 
   template: |- # <--- This is likely another required key for the actual answer format
-    {{answer}} # <--- This is the template that formats the input to final_answer(...)
+    {{answer}} # <--- This is the template that formats the input to final_answer(...)
+
+  post_messages: |- # <--- ADD THIS REQUIRED KEY
+    Task completion output generated. # <--- Placeholder template text after generation