fix[post]:fix updatedAt

Author: GarakChoi

backend/src/main/java/com/ai/lawyer/domain/post/repository/PostRepository.java

@@ -6,13 +6,25 @@
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
 @Repository
 public interface PostRepository extends JpaRepository<Post, Long> {
     List<Post> findByMember(Member member);
+
+    /**
+     * member_id로 게시글 삭제 (회원 탈퇴 시 사용)
+     * Member와 OAuth2Member 모두 같은 member_id 공간을 사용하므로 Long 타입으로 삭제
+     */
+    @Modifying
+    @Query("DELETE FROM Post p WHERE p.member.memberId = :memberId")
+    void deleteByMemberIdValue(@Param("memberId") Long memberId);
+
     Page<Post> findByMember(Member member, Pageable pageable);
     Page<Post> findByPoll_Status(PollStatus status, Pageable pageable);
     Page<Post> findByPoll_StatusAndPoll_PollIdIn(PollStatus status, List<Long> pollIds, Pageable pageable);