fixed: 프롬프트 수정

[banseok1216]

No description provided.

[github-actions]

📝 테스트 커버리지 리포트입니다

Overall Project	73.33% -0.33%	❌
Files changed	2.52%	❌

File	Coverage
FriendShipService.kt	35.5% -1.78%	❌
AiPromptService.kt	30.61% -14.29%	❌
AiFacade.kt	18.48% -8.06%	❌
AiPromptGenerator.kt	1.57% -45.03%	❌