fix/#325: Meeting 삭제시 연관된 speechSegment도 삭제되도록 추가

Author: djlim2425

src/main/java/com/haru/api/domain/meeting/service/MeetingCommandServiceImpl.java

@@ -163,6 +163,11 @@ public void deleteMeeting(User user, Meeting meeting) {
         markdownFileUploader.deleteS3File(foundMeeting.getProceedingWordKeyName());
         markdownFileUploader.deleteS3File(foundMeeting.getAudioFileKey());
 
+
+        List<SpeechSegment> segmentsToDelete = speechSegmentRepository.findByMeeting(foundMeeting);
+
+        speechSegmentRepository.deleteAll(segmentsToDelete);
+
         meetingRepository.delete(foundMeeting);
     }