feat(explorer): 크리에이터 프로필에 최신/총/소장 콘텐츠 정보 추가

- ExplorerService.getCreatorProfile에서 다음 정보 계산/반환
  - 최신 오디오 콘텐츠 1개(`latestContent`)
  - 전체 콘텐츠 수(`totalContentCount`)
  - 조회 유저의 소장 콘텐츠 수(`ownedContentCount`)
- ExplorerQueryRepository.getOwnedContentCount 추가
  - 활성 KEEP 또는 유효한 RENTAL 주문 기준으로 distinct 카운트
- GetCreatorProfileResponse 스키마 확장
  - `latestContent`, `totalContentCount`, `ownedContentCount` 필드 추가
- AudioContentService.getLatestCreatorAudioContent 사용해 최신 콘텐츠 조회 로직 보강
  - 성인 콘텐츠 노출 여부 및 구매/대여 상태 반영
- OrderRepository의 주문 타입 조회 로직을 활용해 보유/대여 상태 표시

API 응답 필드가 추가되어 프로필 화면 구성 정보를 보강합니다. (호환성 유지)

src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentRepository.kt

@@ -193,6 +193,11 @@ interface AudioContentQueryRepository {
         offset: Long = 0,
         limit: Long = 20
     ): List<GetAudioContentMainItem>
+
+    fun findLatestContentByCreatorId(
+        creatorId: Long,
+        isAdult: Boolean = false
+    ): AudioContent?
 }
 
 @Repository
@@ -1416,4 +1421,27 @@ class AudioContentQueryRepositoryImpl(
             .limit(limit)
             .fetch()
     }
+
+    override fun findLatestContentByCreatorId(
+        creatorId: Long,
+        isAdult: Boolean
+    ): AudioContent? {
+        var where = audioContent.member.id.eq(creatorId)
+            .and(
+                audioContent.isActive.isTrue
+                    .and(audioContent.duration.isNotNull)
+                    .or(audioContent.releaseDate.isNotNull.and(audioContent.duration.isNotNull))
+            )
+
+        if (!isAdult) {
+            where = where.and(audioContent.isAdult.isFalse)
+        }
+
+        return queryFactory
+            .selectFrom(audioContent)
+            .where(where)
+            .orderBy(audioContent.releaseDate.desc())
+            .limit(1)
+            .fetchFirst()
+    }
 }

src/main/kotlin/kr/co/vividnext/sodalive/content/AudioContentService.kt

@@ -386,7 +386,7 @@ class AudioContentService(
 
             // Check if the time difference is greater than 30 seconds (30000 milliseconds)
             return date2.time - date1.time
-        } catch (e: Exception) {
+        } catch (_: Exception) {
             // Handle invalid time formats or parsing errors
             return 0
         }
@@ -749,6 +749,49 @@ class AudioContentService(
         )
     }
 
+    fun getLatestCreatorAudioContent(
+        creatorId: Long,
+        member: Member,
+        isAdultContentVisible: Boolean
+    ): GetAudioContentListItem? {
+        val isAdult = member.auth != null && isAdultContentVisible
+
+        val audioContent = repository.findLatestContentByCreatorId(creatorId, isAdult) ?: return null
+
+        val commentCount = commentRepository
+            .totalCountCommentByContentId(
+                audioContent.id!!,
+                memberId = member.id!!,
+                isContentCreator = creatorId == member.id!!
+            )
+
+        val likeCount = audioContentLikeRepository
+            .totalCountAudioContentLike(audioContent.id!!)
+
+        val (isExistsAudioContent, orderType) = orderRepository.isExistOrderedAndOrderType(
+            memberId = member.id!!,
+            contentId = audioContent.id!!
+        )
+
+        return GetAudioContentListItem(
+            contentId = audioContent.id!!,
+            coverImageUrl = "$coverImageHost/${audioContent.coverImage}",
+            title = audioContent.title,
+            price = audioContent.price,
+            themeStr = audioContent.theme!!.theme,
+            duration = audioContent.duration,
+            likeCount = likeCount,
+            commentCount = commentCount,
+            isPin = false,
+            isAdult = audioContent.isAdult,
+            isScheduledToOpen = audioContent.releaseDate != null && audioContent.releaseDate!! >= LocalDateTime.now(),
+            isRented = isExistsAudioContent && orderType == OrderType.RENTAL,
+            isOwned = isExistsAudioContent && orderType == OrderType.KEEP,
+            isSoldOut = audioContent.remaining != null && audioContent.remaining!! <= 0,
+            isPointAvailable = audioContent.isPointAvailable
+        )
+    }
+
     fun getAudioContentList(
         creatorId: Long,
         sortType: SortType,

src/main/kotlin/kr/co/vividnext/sodalive/content/order/OrderRepository.kt

@@ -187,6 +187,7 @@ class OrderQueryRepositoryImpl(
         return queryFactory.select(order.id)
             .from(order)
             .where(where)
+            .distinct()
             .fetch()
             .size
     }