return last match

src/utils.py

@@ -10,5 +10,6 @@ def get_prompt(message):
 def get_processed_response(response):
     matches = re.findall(r"@startuml(.*?)@enduml", response, re.DOTALL)
     if matches:
-        return f"@startuml\n{matches[0].strip()}\n@enduml"
+        last_match = matches[-1].strip()
+        return f"@startuml\n{last_match}\n@enduml"
     return "@startuml\n@enduml"