fix(osiv): lazy 관계 선로딩을 보완한다

src/main/kotlin/kr/co/vividnext/sodalive/admin/chat/original/service/AdminOriginalWorkService.kt

@@ -196,8 +196,12 @@ class AdminOriginalWorkService(
     /** 원작 상세 조회 (소프트 삭제 제외) */
     @Transactional(readOnly = true)
     fun getOriginalWork(id: Long): OriginalWork {
-        return originalWorkRepository.findByIdAndIsDeletedFalse(id)
+        val originalWork = originalWorkRepository.findByIdAndIsDeletedFalse(id)
             .orElseThrow { SodaException(messageKey = "admin.chat.original.not_found") }
+
+        initializeResponseRelations(originalWork)
+
+        return originalWork
     }
 
     /** 원작 페이징 조회 */
@@ -210,7 +214,9 @@ class AdminOriginalWorkService(
             else -> size
         }
         val pageable = PageRequest.of(safePage, safeSize, Sort.by("createdAt").descending())
-        return originalWorkRepository.findByIsDeletedFalse(pageable)
+        val originalWorks = originalWorkRepository.findByIsDeletedFalse(pageable)
+        originalWorks.content.forEach { initializeResponseRelations(it) }
+        return originalWorks
     }
 
     /** 지정 원작에 속한 활성 캐릭터 페이징 조회 (최신순) */
@@ -233,7 +239,14 @@ class AdminOriginalWorkService(
     /** 원작 검색 (제목/콘텐츠타입/카테고리, 소프트 삭제 제외) - 무페이징 */
     @Transactional(readOnly = true)
     fun searchOriginalWorksAll(searchTerm: String): List<OriginalWork> {
-        return originalWorkRepository.searchNoPaging(searchTerm)
+        val originalWorks = originalWorkRepository.searchNoPaging(searchTerm)
+        originalWorks.forEach { initializeResponseRelations(it) }
+        return originalWorks
+    }
+
+    private fun initializeResponseRelations(originalWork: OriginalWork) {
+        originalWork.originalLinks.forEach { it.url }
+        originalWork.tagMappings.forEach { it.tag.tag }
     }
 
     /** 원작에 기존 캐릭터들을 배정 */