feat(ai-character): 오디오 콘텐츠 관리자 계약을 보강한다

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

@@ -220,9 +220,6 @@ class AudioContentService(
         // request 내용 파싱
         val request = objectMapper.readValue(requestString, CreateAudioContentRequest::class.java)
 
-        // 미리듣기 시간 체크
-        validatePreviewTime(request.previewStartTime, request.previewEndTime)
-
         val releaseDate = if (request.releaseDate != null) {
             request.releaseDate.convertLocalDateTime("yyyy-MM-dd HH:mm")
                 .atZone(ZoneId.of(request.timezone))
@@ -232,11 +229,26 @@ class AudioContentService(
             LocalDateTime.now()
         }
 
+        return createAudioContent(contentFile, coverImage, request, releaseDate, member)
+    }
+
+    @Transactional
+    fun createAudioContent(
+        contentFile: MultipartFile?,
+        coverImage: MultipartFile?,
+        request: CreateAudioContentRequest,
+        releaseDate: LocalDateTime,
+        member: Member
+    ): CreateAudioContentResponse {
+        if (coverImage == null) throw SodaException(messageKey = "content.error.cover_image_required")
+
         // contentFile 체크
         if (contentFile == null) {
             throw SodaException(messageKey = "content.error.content_required")
         }
 
+        validatePreviewTime(request.previewStartTime, request.previewEndTime)
+
         // 테마 체크
         val theme = themeQueryRepository.findThemeByIdAndActive(id = request.themeId)
             ?: throw SodaException(messageKey = "content.error.invalid_theme")

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentController.kt

@@ -1,16 +1,23 @@
 package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 
 import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.v2.api.admin.aicharacter.error.AiCharacterAdminApiException
+import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
+import org.springframework.util.MultiValueMap
+import org.springframework.web.HttpMediaTypeNotSupportedException
+import org.springframework.web.bind.annotation.DeleteMapping
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.PutMapping
+import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.RequestPart
 import org.springframework.web.bind.annotation.RestController
 import org.springframework.web.multipart.MultipartFile
+import org.springframework.web.multipart.MultipartHttpServletRequest
 
 @RestController
 @RequestMapping("/api/v2/admin/ai-characters")
@@ -25,30 +32,33 @@ class AiCharacterAdminAudioContentController(
     @GetMapping("/{characterId:[0-9]+}/audio-contents")
     fun list(
         @PathVariable characterId: Long,
-        @RequestParam(required = false) search: String?,
-        @RequestParam(required = false) status: String?,
+        @RequestParam(value = "search_word", required = false) searchWord: String?,
         @RequestParam(defaultValue = "0") page: Int,
         @RequestParam(defaultValue = "20") size: Int
     ): ApiResponse<AiCharacterAdminAudioContentListResponse> {
-        return ApiResponse.ok(facade.list(characterId, search, status, page, size))
+        return ApiResponse.ok(facade.list(characterId, searchWord, page, size))
     }
 
     @GetMapping("/{characterId:[0-9]+}/audio-contents/{contentId:[0-9]+}")
     fun detail(
         @PathVariable characterId: Long,
-        @PathVariable contentId: Long
+        @PathVariable contentId: Long,
+        @RequestParam queryParameters: MultiValueMap<String, String>
     ): ApiResponse<AiCharacterAdminAudioContentResponse> {
-        return ApiResponse.ok(facade.detail(characterId, contentId))
+        return ApiResponse.ok(facade.detail(characterId, contentId, queryParameters.keys))
     }
 
     @PostMapping("/{characterId:[0-9]+}/audio-contents", consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
     fun create(
         @PathVariable characterId: Long,
         @RequestPart("coverImage") coverImage: MultipartFile,
-        @RequestPart("audioFile") audioFile: MultipartFile,
-        @RequestPart("request") request: String
-    ): ApiResponse<AiCharacterAdminAudioContentResponse> {
-        return ApiResponse.ok(facade.create(characterId, coverImage, audioFile, request))
+        @RequestPart("contentFile") contentFile: MultipartFile,
+        @RequestPart("request") request: String,
+        multipartRequest: MultipartHttpServletRequest
+    ): ApiResponse<AiCharacterAdminAudioContentCreateResponse> {
+        requireAllowedMultipartParts(multipartRequest, CREATE_MULTIPART_PARTS)
+        requireJsonRequestPart(multipartRequest)
+        return ApiResponse.ok(facade.create(characterId, coverImage, contentFile, request))
     }
 
     @PutMapping(
@@ -59,9 +69,96 @@ class AiCharacterAdminAudioContentController(
         @PathVariable characterId: Long,
         @PathVariable contentId: Long,
         @RequestPart(value = "coverImage", required = false) coverImage: MultipartFile?,
-        @RequestPart(value = "audioFile", required = false) audioFile: MultipartFile?,
-        @RequestPart("request") request: String
-    ): ApiResponse<AiCharacterAdminAudioContentResponse> {
-        return ApiResponse.ok(facade.update(characterId, contentId, coverImage, audioFile, request))
+        @RequestPart("request") request: String,
+        multipartRequest: MultipartHttpServletRequest
+    ): ApiResponse<Nothing> {
+        requireAllowedMultipartParts(multipartRequest, UPDATE_MULTIPART_PARTS)
+        requireJsonRequestPart(multipartRequest)
+        facade.update(characterId, contentId, coverImage, request)
+        return ApiResponse.ok(null)
+    }
+
+    private fun requireAllowedMultipartParts(
+        multipartRequest: MultipartHttpServletRequest,
+        allowedParts: Set<String>
+    ) {
+        if (multipartRequest.fileMap.keys.any { it !in allowedParts } ||
+            multipartRequest.parts.any { it.name !in allowedParts }
+        ) {
+            throw AiCharacterAdminApiException(HttpStatus.BAD_REQUEST, "common.error.invalid_request")
+        }
+    }
+
+    private fun requireJsonRequestPart(multipartRequest: MultipartHttpServletRequest) {
+        val contentType = multipartRequest.getMultipartHeaders("request")?.contentType
+            ?: multipartRequest.getPart("request")?.contentType?.let(MediaType::parseMediaType)
+        if (contentType == null || !MediaType.APPLICATION_JSON.isCompatibleWith(contentType)) {
+            throw HttpMediaTypeNotSupportedException(contentType, listOf(MediaType.APPLICATION_JSON))
+        }
+    }
+
+    companion object {
+        private val CREATE_MULTIPART_PARTS = setOf("coverImage", "contentFile", "request")
+        private val UPDATE_MULTIPART_PARTS = setOf("coverImage", "request")
+    }
+
+    @GetMapping("/{characterId:[0-9]+}/audio-contents/{contentId:[0-9]+}/comments")
+    fun comments(
+        @PathVariable characterId: Long,
+        @PathVariable contentId: Long,
+        @RequestParam queryParameters: MultiValueMap<String, String>,
+        @RequestParam(defaultValue = "0") page: Int,
+        @RequestParam(defaultValue = "20") size: Int
+    ): ApiResponse<AiCharacterAdminAudioContentCommentListResponse> {
+        return ApiResponse.ok(facade.comments(characterId, contentId, queryParameters.keys, page, size))
+    }
+
+    @PostMapping(
+        "/{characterId:[0-9]+}/audio-contents/{contentId:[0-9]+}/comments",
+        consumes = [MediaType.APPLICATION_JSON_VALUE]
+    )
+    fun createComment(
+        @PathVariable characterId: Long,
+        @PathVariable contentId: Long,
+        @RequestBody request: String
+    ): ApiResponse<Nothing> {
+        facade.createComment(characterId, contentId, request)
+        return ApiResponse.ok(null)
+    }
+
+    @PutMapping(
+        "/{characterId:[0-9]+}/audio-contents/{contentId:[0-9]+}/comments/{commentId:[0-9]+}",
+        consumes = [MediaType.APPLICATION_JSON_VALUE]
+    )
+    fun updateComment(
+        @PathVariable characterId: Long,
+        @PathVariable contentId: Long,
+        @PathVariable commentId: Long,
+        @RequestBody request: String
+    ): ApiResponse<Nothing> {
+        facade.updateComment(characterId, contentId, commentId, request)
+        return ApiResponse.ok(null)
+    }
+
+    @DeleteMapping("/{characterId:[0-9]+}/audio-contents/{contentId:[0-9]+}/comments/{commentId:[0-9]+}")
+    fun deleteComment(
+        @PathVariable characterId: Long,
+        @PathVariable contentId: Long,
+        @PathVariable commentId: Long
+    ): ApiResponse<Nothing> {
+        facade.deleteComment(characterId, contentId, commentId)
+        return ApiResponse.ok(null)
+    }
+
+    @GetMapping("/{characterId:[0-9]+}/audio-contents/{contentId:[0-9]+}/comments/{commentId:[0-9]+}/replies")
+    fun replies(
+        @PathVariable characterId: Long,
+        @PathVariable contentId: Long,
+        @PathVariable commentId: Long,
+        @RequestParam queryParameters: MultiValueMap<String, String>,
+        @RequestParam(defaultValue = "0") page: Int,
+        @RequestParam(defaultValue = "20") size: Int
+    ): ApiResponse<AiCharacterAdminAudioContentCommentListResponse> {
+        return ApiResponse.ok(facade.replies(characterId, contentId, commentId, queryParameters.keys, page, size))
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentDto.kt

@@ -1,126 +1,31 @@
 package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 
+import kr.co.vividnext.sodalive.content.CreateAudioContentRequest
+import kr.co.vividnext.sodalive.content.CreateAudioContentResponse
+import kr.co.vividnext.sodalive.content.GetAudioContentDetailResponse
 import kr.co.vividnext.sodalive.content.PurchaseOption
-import kr.co.vividnext.sodalive.content.order.OrderType
+import kr.co.vividnext.sodalive.content.comment.GetAudioContentCommentListResponse
+import kr.co.vividnext.sodalive.content.theme.GetAudioContentThemeResponse
+import kr.co.vividnext.sodalive.creator.admin.content.GetCreatorAdminContentListItem
+import kr.co.vividnext.sodalive.creator.admin.content.GetCreatorAdminContentListResponse
 
-data class AiCharacterAdminAudioContentListResponse(
-    val totalCount: Long,
-    val items: List<AiCharacterAdminAudioContentListItem>,
-    val page: Int,
-    val size: Int,
-    val hasNext: Boolean
-)
-
-data class AiCharacterAdminAudioContentListItem(
-    val contentId: Long,
-    val title: String,
-    val coverImageUrl: String,
-    val audioSignedUrl: String?,
-    val price: Int,
-    val isAdult: Boolean,
-    val isActive: Boolean,
-    val releaseDateUtc: String?,
-    val status: AiCharacterAdminAudioContentStatus
-)
-
-data class AiCharacterAdminAudioContentResponse(
-    val contentId: Long,
-    val title: String,
-    val description: String,
-    val detail: String,
-    val coverImageUrl: String,
-    val audioSignedUrl: String?,
-    val contentUrl: String?,
-    val languageCode: String?,
-    val themeStr: String,
-    val tag: String,
-    val price: Int,
-    val duration: String,
-    val isAdult: Boolean,
-    val isActive: Boolean,
-    val isPointAvailable: Boolean,
-    val isCommentAvailable: Boolean,
-    val releaseDateUtc: String?,
-    val releaseDate: String?,
-    val totalContentCount: Int?,
-    val remainingContentCount: Int?,
-    val orderSequence: Int?,
-    val isActivePreview: Boolean,
-    val isMosaic: Boolean,
-    val isOnlyRental: Boolean,
-    val existOrdered: Boolean,
-    val purchaseOption: PurchaseOption,
-    val orderType: OrderType?,
-    val remainingTime: String?,
-    val creatorOtherContentList: List<AiCharacterAdminOtherContentResponse>,
-    val sameThemeOtherContentList: List<AiCharacterAdminOtherContentResponse>,
-    val isLike: Boolean,
-    val likeCount: Int,
-    val commentList: List<AiCharacterAdminAudioContentCommentResponse>,
-    val commentCount: Int,
-    val isPin: Boolean,
-    val isAvailablePin: Boolean,
-    val creator: AiCharacterAdminAudioContentCreatorResponse,
-    val previousContent: AiCharacterAdminOtherContentResponse?,
-    val nextContent: AiCharacterAdminOtherContentResponse?,
-    val buyerList: List<AiCharacterAdminContentBuyerResponse>,
-    val isAvailableUsePoint: Boolean,
-    val translated: AiCharacterAdminTranslatedContentResponse?,
-    val status: AiCharacterAdminAudioContentStatus,
-    val seriesIds: List<Long>,
-    val createdAtUtc: String?,
-    val updatedAtUtc: String?
-)
-
-data class AiCharacterAdminOtherContentResponse(
-    val contentId: Long,
-    val title: String,
-    val coverUrl: String
-)
-
-data class AiCharacterAdminAudioContentCommentResponse(
-    val commentId: Long,
-    val nickname: String,
-    val content: String
-)
-
-data class AiCharacterAdminAudioContentCreatorResponse(
-    val creatorId: Long,
-    val nickname: String,
-    val profileImageUrl: String,
-    val isFollowing: Boolean,
-    val isFollow: Boolean,
-    val isNotify: Boolean
-)
-
-data class AiCharacterAdminContentBuyerResponse(
-    val nickname: String,
-    val profileImageUrl: String
-)
-
-data class AiCharacterAdminTranslatedContentResponse(
-    val title: String,
-    val detail: String,
-    val tags: String
-)
-
-data class AiCharacterAdminAudioContentThemeResponse(
-    val themeId: Long,
-    val themeName: String,
-    val imageUrl: String
-)
+typealias AiCharacterAdminAudioContentListResponse = GetCreatorAdminContentListResponse
+typealias AiCharacterAdminAudioContentListItem = GetCreatorAdminContentListItem
+typealias AiCharacterAdminAudioContentResponse = GetAudioContentDetailResponse
+typealias AiCharacterAdminAudioContentThemeResponse = GetAudioContentThemeResponse
+typealias AiCharacterAdminAudioContentCreateResponse = CreateAudioContentResponse
+typealias AiCharacterAdminAudioContentCommentListResponse = GetAudioContentCommentListResponse
 
 data class AiCharacterAdminAudioContentCreateRequest(
     val title: String,
-    val description: String,
+    val detail: String,
+    val tags: String,
     val price: Int,
-    val isAdult: Boolean = false,
-    val isActive: Boolean = true,
-    val themeId: Long,
-    val tags: String = "",
     val purchaseOption: PurchaseOption = PurchaseOption.BOTH,
     val limited: Int? = null,
-    val releaseDateUtc: String? = null,
+    val releaseDate: String? = null,
+    val themeId: Long = 0,
+    val isAdult: Boolean = false,
     val isGeneratePreview: Boolean = false,
     val isOnlyRental: Boolean = false,
     val isPointAvailable: Boolean = false,
@@ -128,24 +33,38 @@ data class AiCharacterAdminAudioContentCreateRequest(
     val isFullDetailVisible: Boolean = true,
     val previewStartTime: String? = null,
     val previewEndTime: String? = null,
-    val languageCode: String? = null,
-    val seriesIds: List<Long> = emptyList()
+    val languageCode: String? = null
+) {
+    fun toLegacyRequest(): CreateAudioContentRequest {
+        return CreateAudioContentRequest(
+            title = title,
+            detail = detail,
+            tags = tags,
+            price = price,
+            purchaseOption = purchaseOption,
+            limited = limited,
+            timezone = "UTC",
+            themeId = themeId,
+            isAdult = isAdult,
+            isGeneratePreview = isGeneratePreview,
+            isOnlyRental = isOnlyRental,
+            isPointAvailable = isPointAvailable,
+            isCommentAvailable = isCommentAvailable,
+            isFullDetailVisible = isFullDetailVisible,
+            previewStartTime = previewStartTime,
+            previewEndTime = previewEndTime,
+            languageCode = languageCode
         )
+    }
+}
 
 data class AiCharacterAdminAudioContentUpdateRequest(
     val title: String? = null,
-    val description: String? = null,
+    val detail: String? = null,
     val tags: String? = null,
     val price: Int? = null,
     val isAdult: Boolean? = null,
     val isActive: Boolean? = null,
-    val releaseDateUtc: String? = null,
-    val seriesIds: List<Long>? = null,
     val isPointAvailable: Boolean? = null,
     val isCommentAvailable: Boolean? = null
 )
-
-enum class AiCharacterAdminAudioContentStatus {
-    OPEN,
-    SCHEDULED
-}

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentFacade.kt

@@ -1,12 +1,19 @@
 package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 
 import com.fasterxml.jackson.core.JsonProcessingException
+import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.databind.ObjectMapper
-import kr.co.vividnext.sodalive.content.AudioContent
 import kr.co.vividnext.sodalive.content.AudioContentService
-import kr.co.vividnext.sodalive.content.CreateAudioContentRequest
+import kr.co.vividnext.sodalive.content.comment.AudioContentCommentService
+import kr.co.vividnext.sodalive.content.comment.GetAudioContentCommentListItem
+import kr.co.vividnext.sodalive.content.comment.GetAudioContentCommentListResponse
+import kr.co.vividnext.sodalive.content.comment.ModifyCommentRequest
+import kr.co.vividnext.sodalive.content.comment.RegisterCommentRequest
 import kr.co.vividnext.sodalive.content.theme.AudioContentThemeQueryRepository
 import kr.co.vividnext.sodalive.creator.admin.content.CreatorAdminContentService
+import kr.co.vividnext.sodalive.creator.admin.content.UpdateCreatorAdminContentRequest
+import kr.co.vividnext.sodalive.extensions.toUtcIso
+import kr.co.vividnext.sodalive.v2.api.admin.aicharacter.application.AiCharacterAdminTarget
 import kr.co.vividnext.sodalive.v2.api.admin.aicharacter.application.AiCharacterAdminTargetResolver
 import kr.co.vividnext.sodalive.v2.api.admin.aicharacter.error.AiCharacterAdminApiException
 import org.springframework.data.domain.PageRequest
@@ -14,10 +21,10 @@ import org.springframework.http.HttpStatus
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import org.springframework.web.multipart.MultipartFile
+import java.time.DateTimeException
 import java.time.Instant
 import java.time.LocalDateTime
 import java.time.ZoneOffset
-import java.time.format.DateTimeFormatter
 
 @Service
 class AiCharacterAdminAudioContentFacade(
@@ -27,104 +34,148 @@ class AiCharacterAdminAudioContentFacade(
     private val themeQueryRepository: AudioContentThemeQueryRepository,
     private val mapper: AiCharacterAdminAudioContentMapper,
     private val audioContentService: AudioContentService,
-    private val creatorAdminContentService: CreatorAdminContentService
+    private val creatorAdminContentService: CreatorAdminContentService,
+    private val audioContentCommentService: AudioContentCommentService
 ) {
     @Transactional(readOnly = true)
     fun themes(): List<AiCharacterAdminAudioContentThemeResponse> {
-        return themeQueryRepository.getActiveThemes().map {
-            AiCharacterAdminAudioContentThemeResponse(
-                themeId = it.id,
-                themeName = it.theme,
-                imageUrl = it.image
-            )
-        }
+        return themeQueryRepository.getActiveThemes()
     }
 
     @Transactional(readOnly = true)
     fun list(
         characterId: Long,
-        search: String?,
-        status: String?,
+        searchWord: String?,
         page: Int,
         size: Int
     ): AiCharacterAdminAudioContentListResponse {
         val target = targetResolver.resolve(characterId)
-        val normalizedSearch = search?.trim().orEmpty()
-        if (normalizedSearch.length == 1) throw invalidRequest()
-
         val normalizedPage = page.coerceAtLeast(0)
-        val normalizedSize = size.coerceIn(MINIMUM_PAGE_SIZE, MAXIMUM_PAGE_SIZE)
-        val contents = repository.findPage(
-            creatorMemberId = target.creatorMember.id ?: throw invalidRequest(),
-            search = normalizedSearch,
-            status = parseStatus(status),
-            pageable = PageRequest.of(normalizedPage, normalizedSize)
-        )
-
-        return AiCharacterAdminAudioContentListResponse(
-            totalCount = contents.totalElements,
-            items = contents.content.map(mapper::toListItem),
-            page = normalizedPage,
-            size = normalizedSize,
-            hasNext = contents.hasNext()
-        )
+        val pageable = PageRequest.of(normalizedPage, size.coerceAtLeast(MINIMUM_PAGE_SIZE))
+        return if (searchWord == null) {
+            creatorAdminContentService.getAudioContentList(pageable, target.creatorMember)
+        } else {
+            creatorAdminContentService.searchAudioContent(searchWord, target.creatorMember, pageable)
+        }
     }
 
     @Transactional(readOnly = true)
-    fun detail(characterId: Long, contentId: Long): AiCharacterAdminAudioContentResponse {
+    fun detail(
+        characterId: Long,
+        contentId: Long,
+        queryParameterNames: Set<String>
+    ): AiCharacterAdminAudioContentResponse {
+        if (queryParameterNames.isNotEmpty()) throw invalidRequest()
         val target = targetResolver.resolve(characterId)
         val content = repository.findByIdAndCreatorMemberId(
             contentId = contentId,
             creatorMemberId = target.creatorMember.id ?: throw invalidRequest()
         ) ?: throw invalidRequest()
 
-        return mapper.toResponse(content, target.creatorMember.id ?: throw invalidRequest())
+        return mapper.toResponse(content)
+    }
+
+    @Transactional(readOnly = true)
+    fun comments(
+        characterId: Long,
+        contentId: Long,
+        queryParameterNames: Set<String>,
+        page: Int,
+        size: Int
+    ): GetAudioContentCommentListResponse {
+        val target = resolveOwnedActiveContent(characterId, contentId)
+        validateCommentQuery(queryParameterNames, page, size)
+        return utcCommentDates(
+            audioContentCommentService.getCommentList(
+                audioContentId = contentId,
+                memberId = target.creatorMember.id ?: throw invalidRequest(),
+                timezone = UTC_TIMEZONE,
+                pageable = PageRequest.of(page, size)
+            ),
+            contentId
+        )
+    }
+
+    @Transactional
+    fun createComment(characterId: Long, contentId: Long, requestString: String) {
+        val target = resolveOwnedActiveContent(characterId, contentId)
+        val request = readCommentCreateRequest(requestString, contentId)
+        request.parentId?.let { parentId ->
+            repository.findActiveRootCommentByIdAndContentId(parentId, contentId) ?: throw invalidRequest()
+        }
+        audioContentCommentService.registerComment(
+            member = target.creatorMember,
+            comment = request.comment,
+            audioContentId = contentId,
+            parentId = request.parentId,
+            isSecret = request.isSecret,
+            languageCode = request.languageCode
+        )
+    }
+
+    @Transactional
+    fun updateComment(characterId: Long, contentId: Long, commentId: Long, requestString: String) {
+        val target = resolveOwnedActiveContent(characterId, contentId)
+        val comment = repository.findCommentByIdAndContentId(commentId, contentId) ?: throw invalidRequest()
+        if (!comment.isActive || comment.member?.id != target.creatorMember.id) throw invalidRequest()
+
+        val request = readCommentUpdateRequest(requestString, commentId)
+        audioContentCommentService.modifyComment(request, target.creatorMember)
+    }
+
+    @Transactional
+    fun deleteComment(characterId: Long, contentId: Long, commentId: Long) {
+        val target = resolveOwnedActiveContent(characterId, contentId)
+        val comment = repository.findCommentByIdAndContentId(commentId, contentId) ?: throw invalidRequest()
+        if (!comment.isActive) return
+
+        audioContentCommentService.modifyComment(
+            ModifyCommentRequest(commentId = commentId, isActive = false),
+            target.creatorMember
+        )
+    }
+
+    @Transactional(readOnly = true)
+    fun replies(
+        characterId: Long,
+        contentId: Long,
+        commentId: Long,
+        queryParameterNames: Set<String>,
+        page: Int,
+        size: Int
+    ): GetAudioContentCommentListResponse {
+        val target = resolveOwnedActiveContent(characterId, contentId)
+        validateCommentQuery(queryParameterNames, page, size)
+        repository.findCommentByIdAndContentId(commentId, contentId) ?: throw invalidRequest()
+        return utcCommentDates(
+            audioContentCommentService.getCommentReplyList(
+                commentId = commentId,
+                memberId = target.creatorMember.id ?: throw invalidRequest(),
+                timezone = UTC_TIMEZONE,
+                pageable = PageRequest.of(page, size)
+            ),
+            contentId
+        )
     }
 
     @Transactional
     fun create(
         characterId: Long,
         coverImage: MultipartFile,
-        audioFile: MultipartFile,
+        contentFile: MultipartFile,
         requestString: String
-    ): AiCharacterAdminAudioContentResponse {
+    ): AiCharacterAdminAudioContentCreateResponse {
         val target = targetResolver.resolve(characterId)
-        val creatorMemberId = target.creatorMember.id ?: throw invalidRequest()
-        if (coverImage.isEmpty || audioFile.isEmpty) throw invalidRequest()
+        if (coverImage.isEmpty || contentFile.isEmpty) throw invalidRequest()
         val request = readRequest(requestString, AiCharacterAdminAudioContentCreateRequest::class.java)
-        if (!request.isActive) throw invalidRequest()
-        validateSeriesIds(request.seriesIds, creatorMemberId)
-        val created = audioContentService.createAudioContent(
-            contentFile = audioFile,
+        val releaseDate = parseUtcReleaseDate(request.releaseDate) ?: LocalDateTime.now(ZoneOffset.UTC)
+        return audioContentService.createAudioContent(
+            contentFile = contentFile,
             coverImage = coverImage,
-            requestString = objectMapper.writeValueAsString(
-                CreateAudioContentRequest(
-                    title = request.title,
-                    detail = request.description,
-                    tags = request.tags,
-                    price = request.price,
-                    purchaseOption = request.purchaseOption,
-                    limited = request.limited,
-                    releaseDate = request.releaseDateUtc?.toLegacyReleaseDate(),
-                    timezone = UTC_TIMEZONE,
-                    themeId = request.themeId,
-                    isAdult = request.isAdult,
-                    isGeneratePreview = request.isGeneratePreview,
-                    isOnlyRental = request.isOnlyRental,
-                    isPointAvailable = request.isPointAvailable,
-                    isCommentAvailable = request.isCommentAvailable,
-                    isFullDetailVisible = request.isFullDetailVisible,
-                    previewStartTime = request.previewStartTime,
-                    previewEndTime = request.previewEndTime,
-                    languageCode = request.languageCode
-                )
-            ),
+            request = request.toLegacyRequest(),
+            releaseDate = releaseDate,
             member = target.creatorMember
         )
-        val content = repository.findByIdAndCreatorMemberId(created.contentId, creatorMemberId) ?: throw invalidRequest()
-        replaceSeriesIds(content, request.seriesIds, creatorMemberId)
-
-        return mapper.toResponse(content, creatorMemberId)
     }
 
     @Transactional
@@ -132,27 +183,21 @@ class AiCharacterAdminAudioContentFacade(
         characterId: Long,
         contentId: Long,
         coverImage: MultipartFile?,
-        audioFile: MultipartFile?,
         requestString: String
-    ): AiCharacterAdminAudioContentResponse {
+    ) {
         val target = targetResolver.resolve(characterId)
         val creatorMemberId = target.creatorMember.id ?: throw invalidRequest()
         repository.findByIdAndCreatorMemberId(contentId, creatorMemberId) ?: throw invalidRequest()
-        if (audioFile != null) throw invalidRequest()
         val normalizedCoverImage = coverImage?.takeUnless { it.isEmpty }
 
         val request = readRequest(requestString, AiCharacterAdminAudioContentUpdateRequest::class.java)
-        request.seriesIds?.let { validateSeriesIds(it, creatorMemberId) }
-        if (request.isActive == false && request.releaseDateUtc != null) throw invalidRequest()
-        val hasReleaseDateUtc = hasField(requestString, "releaseDateUtc")
-        val releaseDateUtc = if (hasReleaseDateUtc) request.releaseDateUtc?.toUtcLocalDateTime() else null
         creatorAdminContentService.updateAudioContent(
             coverImage = normalizedCoverImage,
             requestString = objectMapper.writeValueAsString(
-                CreatorAdminAudioContentUpdatePayload(
+                UpdateCreatorAdminContentRequest(
                     id = contentId,
                     title = request.title,
-                    detail = request.description,
+                    detail = request.detail,
                     tags = request.tags,
                     price = request.price,
                     isAdult = request.isAdult,
@@ -163,60 +208,95 @@ class AiCharacterAdminAudioContentFacade(
             ),
             member = target.creatorMember
         )
-        val updatedContent = repository.findByIdAndCreatorMemberId(contentId, creatorMemberId) ?: throw invalidRequest()
-        if (hasReleaseDateUtc) {
-            updatedContent.releaseDate = releaseDateUtc
-            if (releaseDateUtc?.isAfter(LocalDateTime.now(ZoneOffset.UTC)) == true) {
-                updatedContent.isActive = false
-            }
-        }
-        request.seriesIds?.let { replaceSeriesIds(updatedContent, it, creatorMemberId) }
-
-        return mapper.toResponse(updatedContent, creatorMemberId)
-    }
-
-    private fun replaceSeriesIds(content: AudioContent, seriesIds: List<Long>, creatorMemberId: Long) {
-        try {
-            repository.replaceSeriesIds(content, seriesIds, creatorMemberId)
-        } catch (_: IllegalArgumentException) {
-            throw invalidRequest()
-        }
-    }
-
-    private fun validateSeriesIds(seriesIds: List<Long>, creatorMemberId: Long) {
-        if (!repository.hasActiveSeriesIds(seriesIds, creatorMemberId)) throw invalidRequest()
-    }
-
-    private fun parseStatus(status: String?): AiCharacterAdminAudioContentStatus? {
-        return status?.let {
-            runCatching { AiCharacterAdminAudioContentStatus.valueOf(it) }.getOrElse { throw invalidRequest() }
-        }
     }
 
     private fun <T> readRequest(requestString: String, requestClass: Class<T>): T {
         return try {
-            objectMapper.readValue(requestString, requestClass)
+            objectMapper.readerFor(requestClass)
+                .with(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
+                .with(DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES)
+                .with(DeserializationFeature.FAIL_ON_MISSING_CREATOR_PROPERTIES)
+                .readValue(requestString)
         } catch (_: JsonProcessingException) {
             throw invalidRequest()
         }
     }
 
-    private fun hasField(requestString: String, fieldName: String): Boolean {
+    private fun parseUtcReleaseDate(releaseDate: String?): LocalDateTime? {
+        if (releaseDate == null) return null
+        if (!releaseDate.endsWith("Z")) throw invalidRequest()
         return try {
-            objectMapper.readTree(requestString).has(fieldName)
-        } catch (_: JsonProcessingException) {
+            LocalDateTime.ofInstant(Instant.parse(releaseDate), ZoneOffset.UTC)
+        } catch (_: DateTimeException) {
             throw invalidRequest()
         }
     }
 
-    private fun String.toLegacyReleaseDate(): String {
-        return toUtcLocalDateTime().format(LEGACY_RELEASE_DATE_FORMATTER)
+    private fun resolveOwnedActiveContent(characterId: Long, contentId: Long): AiCharacterAdminTarget {
+        val target = targetResolver.resolve(characterId)
+        if (!target.chatCharacter.isActive) throw invalidRequest()
+        repository.findActiveByIdAndCreatorMemberId(
+            contentId = contentId,
+            creatorMemberId = target.creatorMember.id ?: throw invalidRequest()
+        ) ?: throw invalidRequest()
+        return target
     }
 
-    private fun String.toUtcLocalDateTime(): LocalDateTime {
+    private fun validateCommentQuery(queryParameterNames: Set<String>, page: Int, size: Int) {
+        if (!COMMENT_QUERY_PARAMETERS.containsAll(queryParameterNames) || page < 0 || size < MINIMUM_PAGE_SIZE) {
+            throw invalidRequest()
+        }
+    }
+
+    private fun utcCommentDates(
+        response: GetAudioContentCommentListResponse,
+        contentId: Long
+    ): GetAudioContentCommentListResponse {
+        return response.copy(items = response.items.map { it.withUtcDate(contentId) })
+    }
+
+    private fun GetAudioContentCommentListItem.withUtcDate(contentId: Long): GetAudioContentCommentListItem {
+        val createdAt = repository.findCommentByIdAndContentId(id, contentId)?.createdAt ?: throw invalidRequest()
+        return copy(date = createdAt.toUtcIso())
+    }
+
+    private fun readCommentCreateRequest(requestString: String, contentId: Long): RegisterCommentRequest {
+        val serializedRequest = injectCommentPathId(
+            requestString = requestString,
+            allowedFields = CREATE_COMMENT_FIELDS,
+            idField = "contentId",
+            id = contentId
+        )
+        return readRequest(serializedRequest, RegisterCommentRequest::class.java)
+    }
+
+    private fun readCommentUpdateRequest(requestString: String, commentId: Long): ModifyCommentRequest {
+        val serializedRequest = injectCommentPathId(
+            requestString = requestString,
+            allowedFields = UPDATE_COMMENT_FIELDS,
+            idField = "commentId",
+            id = commentId
+        )
+        val request = readRequest(serializedRequest, ModifyCommentRequest::class.java)
+        if (request.comment == null) throw invalidRequest()
+        return request
+    }
+
+    private fun injectCommentPathId(
+        requestString: String,
+        allowedFields: Set<String>,
+        idField: String,
+        id: Long
+    ): String {
         return try {
-            Instant.parse(this).atOffset(ZoneOffset.UTC).toLocalDateTime()
-        } catch (_: RuntimeException) {
+            val request = objectMapper.readTree(requestString) as? com.fasterxml.jackson.databind.node.ObjectNode
+                ?: throw invalidRequest()
+            if (request.fieldNames().asSequence().any { it !in allowedFields } || !request.hasNonNull("comment")) {
+                throw invalidRequest()
+            }
+            request.put(idField, id)
+            objectMapper.writeValueAsString(request)
+        } catch (_: JsonProcessingException) {
             throw invalidRequest()
         }
     }
@@ -226,21 +306,10 @@ class AiCharacterAdminAudioContentFacade(
     }
 
     companion object {
-        private const val MINIMUM_PAGE_SIZE = 20
-        private const val MAXIMUM_PAGE_SIZE = 50
+        private const val MINIMUM_PAGE_SIZE = 1
         private const val UTC_TIMEZONE = "UTC"
-        private val LEGACY_RELEASE_DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm")
+        private val COMMENT_QUERY_PARAMETERS = setOf("page", "size")
+        private val CREATE_COMMENT_FIELDS = setOf("comment", "parentId", "isSecret", "languageCode")
+        private val UPDATE_COMMENT_FIELDS = setOf("comment")
     }
-
-    private data class CreatorAdminAudioContentUpdatePayload(
-        val id: Long,
-        val title: String?,
-        val detail: String?,
-        val tags: String?,
-        val price: Int?,
-        val isAdult: Boolean?,
-        val isActive: Boolean?,
-        val isPointAvailable: Boolean?,
-        val isCommentAvailable: Boolean?
-    )
 }

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentMapper.kt

@@ -2,58 +2,36 @@ package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 
 import kr.co.vividnext.sodalive.aws.cloudfront.AudioContentCloudFront
 import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.AudioContentCreator
 import kr.co.vividnext.sodalive.content.PurchaseOption
+import kr.co.vividnext.sodalive.extensions.toUtcIso
 import kr.co.vividnext.sodalive.v2.api.admin.aicharacter.error.AiCharacterAdminApiException
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.http.HttpStatus
 import org.springframework.stereotype.Component
 import java.time.LocalDateTime
 import java.time.ZoneOffset
-import java.time.format.DateTimeFormatter
 
 @Component
 class AiCharacterAdminAudioContentMapper(
-    private val repository: AiCharacterAdminAudioContentRepository,
     private val audioContentCloudFront: AudioContentCloudFront,
     @Value("\${cloud.aws.cloud-front.host}") private val imageHost: String
 ) {
-    fun toListItem(content: AudioContent): AiCharacterAdminAudioContentListItem {
-        return AiCharacterAdminAudioContentListItem(
-            contentId = content.id ?: throw invalidRequest(),
-            title = content.title,
-            coverImageUrl = "$imageHost/${content.coverImage ?: "profile/default-profile.png"}",
-            audioSignedUrl = signedUrl(content),
-            price = content.price,
-            isAdult = content.isAdult,
-            isActive = content.isActive,
-            releaseDateUtc = content.releaseDate?.toUtcIso(),
-            status = status(content)
-        )
-    }
-
-    fun toResponse(content: AudioContent, creatorMemberId: Long): AiCharacterAdminAudioContentResponse {
-        val releaseDateUtc = content.releaseDate?.toUtcIso()
+    fun toResponse(content: AudioContent): AiCharacterAdminAudioContentResponse {
         val owner = content.member ?: throw invalidRequest()
-        val audioSignedUrl = signedUrl(content)
         return AiCharacterAdminAudioContentResponse(
             contentId = content.id ?: throw invalidRequest(),
             title = content.title,
-            description = content.detail,
             detail = content.detail,
             coverImageUrl = "$imageHost/${content.coverImage ?: "profile/default-profile.png"}",
-            audioSignedUrl = audioSignedUrl,
-            contentUrl = audioSignedUrl,
+            contentUrl = signedUrl(content).orEmpty(),
             languageCode = content.languageCode,
             themeStr = content.theme?.theme ?: "",
             tag = content.audioContentHashTags.filter { it.isActive }.mapNotNull { it.hashTag?.tag }.joinToString(" "),
             price = content.price,
             duration = content.duration ?: "",
             isAdult = content.isAdult,
-            isActive = content.isActive,
-            isPointAvailable = content.isPointAvailable,
-            isCommentAvailable = content.isCommentAvailable,
-            releaseDateUtc = releaseDateUtc,
-            releaseDate = null,
+            releaseDate = releaseDate(content),
             totalContentCount = content.limited,
             remainingContentCount = content.remaining,
             orderSequence = null,
@@ -66,13 +44,14 @@ class AiCharacterAdminAudioContentMapper(
             remainingTime = null,
             creatorOtherContentList = emptyList(),
             sameThemeOtherContentList = emptyList(),
+            isCommentAvailable = content.isCommentAvailable,
             isLike = false,
             likeCount = 0,
             commentList = emptyList(),
             commentCount = 0,
             isPin = false,
             isAvailablePin = false,
-            creator = AiCharacterAdminAudioContentCreatorResponse(
+            creator = AudioContentCreator(
                 creatorId = owner.id ?: throw invalidRequest(),
                 nickname = owner.nickname,
                 profileImageUrl = if (owner.profileImage != null) {
@@ -88,11 +67,7 @@ class AiCharacterAdminAudioContentMapper(
             nextContent = null,
             buyerList = emptyList(),
             isAvailableUsePoint = content.isPointAvailable,
-            translated = null,
-            status = status(content),
-            seriesIds = repository.findSeriesIds(content.id ?: throw invalidRequest(), creatorMemberId),
-            createdAtUtc = content.createdAt?.toUtcIso(),
-            updatedAtUtc = content.updatedAt?.toUtcIso()
+            translated = null
         )
     }
 
@@ -103,16 +78,10 @@ class AiCharacterAdminAudioContentMapper(
         return audioContentCloudFront.generateSignedURL(resourcePath, expirationTime)
     }
 
-    private fun status(content: AudioContent): AiCharacterAdminAudioContentStatus {
-        return if (content.releaseDate?.isAfter(LocalDateTime.now(ZoneOffset.UTC)) == true) {
-            AiCharacterAdminAudioContentStatus.SCHEDULED
-        } else {
-            AiCharacterAdminAudioContentStatus.OPEN
-        }
-    }
-
-    private fun LocalDateTime.toUtcIso(): String {
-        return atOffset(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT)
+    private fun releaseDate(content: AudioContent): String? {
+        return content.releaseDate
+            ?.takeIf { it > LocalDateTime.now(ZoneOffset.UTC) }
+            ?.toUtcIso()
     }
 
     private fun invalidRequest(): AiCharacterAdminApiException {

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentRepository.kt

@@ -1,52 +1,17 @@
 package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 
-import com.querydsl.core.types.dsl.BooleanExpression
 import com.querydsl.jpa.impl.JPAQueryFactory
 import kr.co.vividnext.sodalive.content.AudioContent
 import kr.co.vividnext.sodalive.content.QAudioContent.audioContent
-import kr.co.vividnext.sodalive.creator.admin.content.series.QSeries.series
-import kr.co.vividnext.sodalive.creator.admin.content.series.QSeriesContent.seriesContent
-import kr.co.vividnext.sodalive.creator.admin.content.series.Series
-import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesContent
+import kr.co.vividnext.sodalive.content.comment.AudioContentComment
+import kr.co.vividnext.sodalive.content.comment.QAudioContentComment.audioContentComment
 import kr.co.vividnext.sodalive.member.QMember.member
-import org.springframework.data.domain.Page
-import org.springframework.data.domain.PageImpl
-import org.springframework.data.domain.Pageable
 import org.springframework.stereotype.Repository
-import java.time.LocalDateTime
-import java.time.ZoneOffset
-import javax.persistence.EntityManager
 
 @Repository
 class AiCharacterAdminAudioContentRepository(
-    private val queryFactory: JPAQueryFactory,
-    private val entityManager: EntityManager
+    private val queryFactory: JPAQueryFactory
 ) {
-    fun findPage(
-        creatorMemberId: Long,
-        search: String,
-        status: AiCharacterAdminAudioContentStatus?,
-        pageable: Pageable
-    ): Page<AudioContent> {
-        val where = findWhere(creatorMemberId, search, status)
-        val contents = queryFactory
-            .selectFrom(audioContent)
-            .innerJoin(audioContent.member, member)
-            .where(where)
-            .offset(pageable.offset)
-            .limit(pageable.pageSize.toLong())
-            .orderBy(audioContent.releaseDate.desc())
-            .fetch()
-        val totalCount = queryFactory
-            .select(audioContent.count())
-            .from(audioContent)
-            .innerJoin(audioContent.member, member)
-            .where(where)
-            .fetchOne() ?: 0L
-
-        return PageImpl(contents, pageable, totalCount)
-    }
-
     fun findByIdAndCreatorMemberId(contentId: Long, creatorMemberId: Long): AudioContent? {
         return queryFactory
             .selectFrom(audioContent)
@@ -55,89 +20,37 @@ class AiCharacterAdminAudioContentRepository(
             .fetchOne()
     }
 
-    fun findSeriesIds(contentId: Long, creatorMemberId: Long): List<Long> {
+    fun findActiveByIdAndCreatorMemberId(contentId: Long, creatorMemberId: Long): AudioContent? {
         return queryFactory
-            .select(series.id)
-            .from(seriesContent)
-            .innerJoin(seriesContent.series, series)
-            .innerJoin(seriesContent.content, audioContent)
+            .selectFrom(audioContent)
+            .innerJoin(audioContent.member, member)
             .where(
                 audioContent.id.eq(contentId)
-                    .and(audioContent.member.id.eq(creatorMemberId))
-                    .and(series.member.id.eq(creatorMemberId))
-                    .and(series.isActive.isTrue)
+                    .and(member.id.eq(creatorMemberId))
+                    .and(audioContent.isActive.isTrue)
             )
-            .fetch()
+            .fetchOne()
     }
 
-    fun replaceSeriesIds(content: AudioContent, seriesIds: List<Long>, creatorMemberId: Long) {
-        val requestedIds = seriesIds.distinct()
-        val existingSeriesContents = findSeriesContents(content.id ?: throw IllegalArgumentException(), creatorMemberId)
-        val existingSeriesIds = existingSeriesContents.mapNotNull { it.series?.id }.toSet()
-        existingSeriesContents
-            .filter { it.series?.id !in requestedIds }
-            .forEach(entityManager::remove)
-
-        if (requestedIds.isEmpty()) return
-
-        val seriesList = findActiveSeriesByIds(requestedIds, creatorMemberId)
-        if (seriesList.size != requestedIds.size) throw IllegalArgumentException()
-
-        seriesList.forEach {
-            if (it.id in existingSeriesIds) return@forEach
-            val seriesContent = SeriesContent()
-            seriesContent.series = it
-            seriesContent.content = content
-            entityManager.persist(seriesContent)
-        }
-    }
-
-    private fun findSeriesContents(contentId: Long, creatorMemberId: Long): List<SeriesContent> {
+    fun findCommentByIdAndContentId(commentId: Long, contentId: Long): AudioContentComment? {
         return queryFactory
-            .selectFrom(seriesContent)
-            .innerJoin(seriesContent.series, series)
+            .selectFrom(audioContentComment)
             .where(
-                seriesContent.content.id.eq(contentId)
-                    .and(series.member.id.eq(creatorMemberId))
+                audioContentComment.id.eq(commentId)
+                    .and(audioContentComment.audioContent.id.eq(contentId))
             )
-            .fetch()
+            .fetchOne()
     }
 
-    fun hasActiveSeriesIds(seriesIds: List<Long>, creatorMemberId: Long): Boolean {
-        return seriesIds.isEmpty() || findActiveSeriesByIds(seriesIds, creatorMemberId).size == seriesIds.distinct().size
-    }
-
-    private fun findActiveSeriesByIds(seriesIds: List<Long>, creatorMemberId: Long): List<Series> {
+    fun findActiveRootCommentByIdAndContentId(commentId: Long, contentId: Long): AudioContentComment? {
         return queryFactory
-            .selectFrom(series)
+            .selectFrom(audioContentComment)
             .where(
-                series.id.`in`(seriesIds)
-                    .and(series.member.id.eq(creatorMemberId))
-                    .and(series.isActive.isTrue)
+                audioContentComment.id.eq(commentId)
+                    .and(audioContentComment.audioContent.id.eq(contentId))
+                    .and(audioContentComment.parent.isNull)
+                    .and(audioContentComment.isActive.isTrue)
             )
-            .fetch()
-    }
-
-    private fun findWhere(
-        creatorMemberId: Long,
-        search: String,
-        status: AiCharacterAdminAudioContentStatus?
-    ): BooleanExpression {
-        val now = LocalDateTime.now(ZoneOffset.UTC)
-        var where = audioContent.duration.isNotNull
-            .and(audioContent.member.id.eq(creatorMemberId))
-            .and(audioContent.isActive.isTrue.or(audioContent.releaseDate.isNotNull))
-
-        if (status == AiCharacterAdminAudioContentStatus.SCHEDULED) {
-            where = where.and(audioContent.releaseDate.after(now))
-        } else if (status == AiCharacterAdminAudioContentStatus.OPEN) {
-            where = where.and(audioContent.releaseDate.isNull.or(audioContent.releaseDate.loe(now)))
-        }
-
-        if (search.length > 1) {
-            where = where.and(audioContent.title.contains(search).or(member.nickname.contains(search)))
-        }
-
-        return where
+            .fetchOne()
     }
 }

src/test/kotlin/kr/co/vividnext/sodalive/support/H2MysqlDateFunctions.kt

@@ -30,7 +30,10 @@ class H2MysqlDateFunctions {
                 .replace("%m", "MM")
                 .replace("%d", "dd")
                 .replace("%H", "HH")
+                .replace("%W", "EEEE")
+                .replace("%h", "hh")
                 .replace("%i", "mm")
+                .replace("%p", "a")
 
             return value.toLocalDateTime().format(DateTimeFormatter.ofPattern(javaPattern))
         }

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentCommentTest.kt

@@ -0,0 +1,387 @@
+package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
+
+import kr.co.vividnext.sodalive.chat.character.service.ChatCharacterService
+import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.comment.AudioContentComment
+import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberAdapter
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.hamcrest.Matchers.nullValue
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.mock.mockito.MockBean
+import org.springframework.context.ApplicationEventPublisher
+import org.springframework.http.MediaType
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
+import org.springframework.security.core.authority.SimpleGrantedAuthority
+import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.authentication
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.web.servlet.MockMvc
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.status
+import org.springframework.transaction.annotation.Transactional
+import java.time.LocalDateTime
+import javax.persistence.EntityManager
+
+@SpringBootTest(properties = ["cloud.aws.cloud-front.host=https://test.cloudfront.net"])
+@AutoConfigureMockMvc
+@Transactional
+@ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+class AiCharacterAdminAudioContentCommentTest @Autowired constructor(
+    private val mockMvc: MockMvc,
+    private val chatCharacterService: ChatCharacterService,
+    private val entityManager: EntityManager
+) {
+    @MockBean
+    private lateinit var applicationEventPublisher: ApplicationEventPublisher
+
+    @Test
+    @DisplayName("원댓글과 답글 목록은 timezone 없이 UTC Z date와 기존 totalCount 및 items를 반환한다")
+    fun shouldListRootCommentsAndRepliesWithUtcDates() {
+        registerMysqlDateFunctions()
+        val character = createCharacter("comment-list")
+        val content = saveAudioContent(character.creatorMember!!, "comment-list-content")
+        val root = saveComment(content, character.creatorMember!!, "root")
+        val reply = saveComment(content, character.creatorMember!!, "reply", root)
+        root.createdAt = LocalDateTime.of(2027, 7, 30, 10, 0, 1)
+        reply.createdAt = LocalDateTime.of(2027, 7, 30, 10, 0, 2)
+        entityManager.flush()
+
+        mockMvc.perform(
+            get(commentsPath(character.id!!, content.id!!))
+                .param("page", "0")
+                .param("size", "10")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(1))
+            .andExpect(jsonPath("$.data.items[0].id").value(root.id))
+            .andExpect(jsonPath("$.data.items[0].comment").value("root"))
+            .andExpect(jsonPath("$.data.items[0].date").value("2027-07-30T10:00:01Z"))
+
+        mockMvc.perform(
+            get("${commentsPath(character.id!!, content.id!!)}/${root.id}/replies")
+                .param("page", "0")
+                .param("size", "10")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(1))
+            .andExpect(jsonPath("$.data.items[0].comment").value("reply"))
+            .andExpect(jsonPath("$.data.items[0].date").value("2027-07-30T10:00:02Z"))
+    }
+
+    @Test
+    @DisplayName("댓글 목록은 누락한 page 또는 size에 OpenAPI 기본값을 적용한다")
+    fun shouldDefaultMissingCommentListPaginationParameters() {
+        registerMysqlDateFunctions()
+        val character = createCharacter("comment-default-page")
+        val content = saveAudioContent(character.creatorMember!!, "comment-default-page-content")
+        repeat(21) { index ->
+            saveComment(content, character.creatorMember!!, "root-$index")
+        }
+        entityManager.flush()
+
+        val path = commentsPath(character.id!!, content.id!!)
+        mockMvc.perform(get(path).with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(21))
+            .andExpect(jsonPath("$.data.items.length()").value(20))
+
+        mockMvc.perform(get(path).param("page", "1").with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.items.length()").value(1))
+
+        mockMvc.perform(get(path).param("size", "1").with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.items.length()").value(1))
+    }
+
+    @Test
+    @DisplayName("답글 목록은 누락한 page 또는 size에 OpenAPI 기본값을 적용한다")
+    fun shouldDefaultMissingReplyListPaginationParameters() {
+        registerMysqlDateFunctions()
+        val character = createCharacter("reply-default-page")
+        val content = saveAudioContent(character.creatorMember!!, "reply-default-page-content")
+        val root = saveComment(content, character.creatorMember!!, "root")
+        repeat(21) { index ->
+            saveComment(content, character.creatorMember!!, "reply-$index", root)
+        }
+        entityManager.flush()
+
+        val path = "${commentsPath(character.id!!, content.id!!)}/${root.id}/replies"
+        mockMvc.perform(get(path).with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(21))
+            .andExpect(jsonPath("$.data.items.length()").value(20))
+
+        mockMvc.perform(get(path).param("page", "1").with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.items.length()").value(1))
+
+        mockMvc.perform(get(path).param("size", "1").with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.items.length()").value(1))
+    }
+
+    @Test
+    @DisplayName("작성은 target AI를 writer로 사용하고 root와 답글 모두 data null을 반환한다")
+    fun shouldCreateRootAndReplyAsTargetAi() {
+        val character = createCharacter("comment-create")
+        val content = saveAudioContent(character.creatorMember!!, "comment-create-content")
+        entityManager.flush()
+
+        mockMvc.perform(
+            post(commentsPath(character.id!!, content.id!!))
+                .contentType(MediaType.APPLICATION_JSON)
+                .content("""{"comment":"root", "languageCode":"ko"}""")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data").value(nullValue()))
+
+        val root = commentsFor(content.id!!).single()
+        assertEquals(character.creatorMember!!.id, root.member!!.id)
+
+        mockMvc.perform(
+            post(commentsPath(character.id!!, content.id!!))
+                .contentType(MediaType.APPLICATION_JSON)
+                .content("""{"comment":"reply", "parentId":${root.id}, "isSecret":false, "languageCode":"ko"}""")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data").value(nullValue()))
+
+        val reply = commentsFor(content.id!!).single { it.parent?.id == root.id }
+        assertEquals(character.creatorMember!!.id, reply.member!!.id)
+    }
+
+    @Test
+    @DisplayName("다른 콘텐츠 또는 비활성 parent 답글 작성은 insert 없이 거부한다")
+    fun shouldRejectInvalidReplyParentWithoutInsert() {
+        val character = createCharacter("comment-parent")
+        val content = saveAudioContent(character.creatorMember!!, "comment-parent-content")
+        val otherContent = saveAudioContent(character.creatorMember!!, "comment-other-content")
+        val foreignParent = saveComment(otherContent, character.creatorMember!!, "other root")
+        val inactiveParent = saveComment(content, character.creatorMember!!, "inactive root").apply { isActive = false }
+        entityManager.flush()
+
+        val beforeCount = commentsFor(content.id!!).size
+        listOf(foreignParent.id!!, inactiveParent.id!!).forEach { parentId ->
+            mockMvc.perform(
+                post(commentsPath(character.id!!, content.id!!))
+                    .contentType(MediaType.APPLICATION_JSON)
+                    .content("""{"comment":"must not persist", "parentId":$parentId}""")
+                    .with(adminAuthentication())
+            )
+                .andExpect(status().isBadRequest)
+                .andExpect(jsonPath("$.success").value(false))
+        }
+
+        assertEquals(beforeCount, commentsFor(content.id!!).size)
+    }
+
+    @Test
+    @DisplayName("target AI가 작성하지 않은 활성 댓글 수정은 거부하고 원문을 유지한다")
+    fun shouldRejectFanAuthoredCommentUpdate() {
+        val character = createCharacter("comment-update")
+        val content = saveAudioContent(character.creatorMember!!, "comment-update-content")
+        val fanComment = saveComment(content, saveMember("comment-update-fan"), "fan comment")
+        entityManager.flush()
+
+        mockMvc.perform(
+            put("${commentsPath(character.id!!, content.id!!)}/${fanComment.id}")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content("""{"comment":"changed"}""")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+
+        assertEquals("fan comment", entityManager.find(AudioContentComment::class.java, fanComment.id).comment)
+    }
+
+    @Test
+    @DisplayName("target AI가 작성한 활성 댓글 수정은 data null로 완료한다")
+    fun shouldUpdateTargetAiAuthoredComment() {
+        val character = createCharacter("comment-update-target")
+        val content = saveAudioContent(character.creatorMember!!, "comment-update-target-content")
+        val comment = saveComment(content, character.creatorMember!!, "before")
+        entityManager.flush()
+
+        mockMvc.perform(
+            put("${commentsPath(character.id!!, content.id!!)}/${comment.id}")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content("""{"comment":"after"}""")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data").value(nullValue()))
+
+        assertEquals("after", entityManager.find(AudioContentComment::class.java, comment.id).comment)
+    }
+
+    @Test
+    @DisplayName("삭제는 대상 콘텐츠의 한 row만 비활성화하고 이미 비활성이면 성공 no-op이다")
+    fun shouldSoftDeleteOnlyTargetRowAndIgnoreInactiveComment() {
+        val character = createCharacter("comment-delete")
+        val content = saveAudioContent(character.creatorMember!!, "comment-delete-content")
+        val fan = saveMember("comment-delete-fan")
+        val root = saveComment(content, fan, "root")
+        val reply = saveComment(content, fan, "reply", root)
+        entityManager.flush()
+
+        val path = "${commentsPath(character.id!!, content.id!!)}/${root.id}"
+        mockMvc.perform(delete(path).with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data").value(nullValue()))
+
+        entityManager.flush()
+        entityManager.clear()
+        assertFalse(entityManager.find(AudioContentComment::class.java, root.id).isActive)
+        assertTrue(entityManager.find(AudioContentComment::class.java, reply.id).isActive)
+
+        mockMvc.perform(delete(path).with(adminAuthentication()))
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data").value(nullValue()))
+
+        entityManager.flush()
+        entityManager.clear()
+        assertTrue(entityManager.find(AudioContentComment::class.java, reply.id).isActive)
+    }
+
+    @Test
+    @DisplayName("잘못된 요청은 공통 400 envelope으로 변환한다")
+    fun shouldRejectInvalidCommentRequests() {
+        val character = createCharacter("comment-request")
+        val content = saveAudioContent(character.creatorMember!!, "comment-request-content")
+        entityManager.flush()
+
+        listOf("{}", "{\"comment\":", "{\"comment\":\"comment\",\"unknown\":true}").forEach { body ->
+            mockMvc.perform(
+                post(commentsPath(character.id!!, content.id!!))
+                    .contentType(MediaType.APPLICATION_JSON)
+                    .content(body)
+                    .with(adminAuthentication())
+            )
+                .andExpect(status().isBadRequest)
+                .andExpect(jsonPath("$.success").value(false))
+        }
+
+        mockMvc.perform(
+            get(commentsPath(character.id!!, content.id!!))
+                .param("page", "-1")
+                .param("size", "0")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+
+        mockMvc.perform(
+            get(commentsPath(character.id!!, content.id!!))
+                .param("timezone", "UTC")
+                .param("page", "0")
+                .param("size", "1")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+    }
+
+    private fun createCharacter(name: String) = chatCharacterService.createChatCharacterWithDetails(
+        characterUUID = "v2-$name-character",
+        name = name,
+        description = "description",
+        systemPrompt = "prompt"
+    ).also {
+        it.creatorMember!!.profileImage = "profile/$name.png"
+    }
+
+    private fun saveAudioContent(owner: Member, title: String): AudioContent {
+        val theme = AudioContentTheme(theme = "theme-$title", image = "theme.png")
+        entityManager.persist(theme)
+        return AudioContent(
+            title = title,
+            detail = "detail",
+            languageCode = "ko",
+            price = 100,
+            isCommentAvailable = true
+        ).apply {
+            member = owner
+            this.theme = theme
+            isActive = true
+            entityManager.persist(this)
+        }
+    }
+
+    private fun saveComment(
+        content: AudioContent,
+        writer: Member,
+        comment: String,
+        parent: AudioContentComment? = null
+    ): AudioContentComment {
+        return AudioContentComment(comment = comment, languageCode = "ko").apply {
+            audioContent = content
+            member = writer
+            this.parent = parent
+            entityManager.persist(this)
+        }
+    }
+
+    private fun saveMember(nickname: String): Member {
+        return Member(
+            email = "$nickname@example.com",
+            password = "password",
+            nickname = nickname,
+            role = MemberRole.USER
+        ).apply(entityManager::persist)
+    }
+
+    private fun commentsFor(contentId: Long): List<AudioContentComment> {
+        entityManager.flush()
+        return entityManager.createQuery(
+            "select comment from AudioContentComment comment where comment.audioContent.id = :contentId",
+            AudioContentComment::class.java
+        ).setParameter("contentId", contentId).resultList
+    }
+
+    private fun registerMysqlDateFunctions() {
+        entityManager.createNativeQuery(
+            "CREATE ALIAS IF NOT EXISTS DATE_FORMAT FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.dateFormat'"
+        ).executeUpdate()
+        entityManager.createNativeQuery(
+            "CREATE ALIAS IF NOT EXISTS CONVERT_TZ FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.convertTz'"
+        ).executeUpdate()
+    }
+
+    private fun commentsPath(characterId: Long, contentId: Long): String {
+        return "/api/v2/admin/ai-characters/$characterId/audio-contents/$contentId/comments"
+    }
+
+    private fun adminAuthentication() = authentication(
+        UsernamePasswordAuthenticationToken(
+            MemberAdapter(
+                Member(
+                    email = "admin@example.com",
+                    password = "password",
+                    nickname = "admin",
+                    role = MemberRole.ADMIN
+                )
+            ),
+            "token",
+            listOf(SimpleGrantedAuthority("ROLE_ADMIN"))
+        )
+    )
+}

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentControllerTest.kt

@@ -24,6 +24,7 @@ import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.params.ParameterizedTest
 import org.junit.jupiter.params.provider.CsvSource
+import org.junit.jupiter.params.provider.ValueSource
 import org.mockito.Mockito
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
@@ -46,6 +47,7 @@ import org.springframework.test.web.servlet.ResultActions
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.multipart
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.content
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.header
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.status
 import org.springframework.transaction.annotation.Transactional
@@ -80,6 +82,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
 
     @BeforeEach
     fun replaceActualServicePublishers() {
+        registerMysqlDateFunctions()
         originalAudioContentServicePublisher = replacePublisher(audioContentService, applicationEventPublisher)
         originalCreatorAdminContentServicePublisher = replacePublisher(
             creatorAdminContentService,
@@ -94,8 +97,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
     }
 
     @Test
-    @DisplayName("생성은 themeId, 예약일, seriesIds를 포함한 multipart 요청으로 target 소유 콘텐츠 상세를 반환한다")
-    fun shouldCreateOwnedContentWithThemeIdReleaseDateAndSeriesIds() {
+    @DisplayName("생성은 레거시 multipart request로 target 소유 콘텐츠 ID를 반환한다")
+    fun shouldCreateOwnedContentWithUtcMultipartRequest() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-create-character",
             name = "v2-audio-create-character",
@@ -104,7 +107,6 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         )
         val theme = AudioContentTheme(theme = "create-theme", image = "theme.png")
         entityManager.persist(theme)
-        val series = saveSeries("create-series", character.creatorMember!!)
         entityManager.flush()
         Mockito.`when`(amazonS3Client.getUrl(Mockito.anyString(), Mockito.anyString()))
             .thenReturn(URL("https://s3.example.com/test"))
@@ -112,14 +114,14 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(
                     MockMultipartFile(
                         "request",
                         "request.json",
                         MediaType.APPLICATION_JSON_VALUE,
                         """
-                        {"title":"created audio","description":"created detail","tags":"calm #night","price":100,"purchaseOption":"RENT_ONLY","limited":7,"isAdult":false,"isActive":true,"themeId":${theme.id},"releaseDateUtc":"2026-07-25T00:00:00Z","seriesIds":[${series.id}],"isGeneratePreview":true,"isOnlyRental":true,"isPointAvailable":true,"isCommentAvailable":false,"isFullDetailVisible":false,"previewStartTime":"00:00:05","previewEndTime":"00:00:25","languageCode":"en"}
+                        {"title":"created audio","detail":"created detail","tags":"calm #night","price":100,"purchaseOption":"RENT_ONLY","limited":7,"releaseDate":"2027-07-30T10:00:00Z","themeId":${theme.id},"isAdult":false,"isGeneratePreview":true,"isOnlyRental":true,"isPointAvailable":true,"isCommentAvailable":false,"isFullDetailVisible":false,"previewStartTime":"00:00:05","previewEndTime":"00:00:25","languageCode":"en"}
                         """.trimIndent().toByteArray()
                     )
                 )
@@ -127,28 +129,13 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         )
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.success").value(true))
-            .andExpect(jsonPath("$.data.title").value("created audio"))
-            .andExpect(jsonPath("$.data.description").value("created detail"))
-            .andExpect(jsonPath("$.data.languageCode").value("en"))
-            .andExpect(jsonPath("$.data.tag").value("#calm #night"))
-            .andExpect(jsonPath("$.data.price").value(100))
-            .andExpect(jsonPath("$.data.totalContentCount").value(7))
-            .andExpect(jsonPath("$.data.remainingContentCount").value(7))
-            .andExpect(jsonPath("$.data.isActivePreview").value(true))
-            .andExpect(jsonPath("$.data.isOnlyRental").value(true))
-            .andExpect(jsonPath("$.data.purchaseOption").value("RENT_ONLY"))
-            .andExpect(jsonPath("$.data.isActive").value(false))
-            .andExpect(jsonPath("$.data.isPointAvailable").value(true))
-            .andExpect(jsonPath("$.data.isCommentAvailable").value(false))
-            .andExpect(jsonPath("$.data.isAvailableUsePoint").value(true))
-            .andExpect(jsonPath("$.data.releaseDateUtc").value("2026-07-25T00:00:00Z"))
-            .andExpect(jsonPath("$.data.seriesIds[0]").value(series.id))
-            .andExpect(jsonPath("$.data.content").doesNotExist())
+            .andExpect(jsonPath("$.data.contentId").isNumber)
+            .andExpect(jsonPath("$.data.title").doesNotExist())
     }
 
     @Test
-    @DisplayName("수정은 seriesIds를 target 소유 시리즈로 교체하고 상세를 반환한다")
-    fun shouldReplaceOwnedContentSeriesIds() {
+    @DisplayName("수정은 text/plain request part를 415와 부작용 없음으로 거부한다")
+    fun shouldRejectTextPlainRequestPartBeforeSideEffects() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-series-update-character",
             name = "v2-audio-series-update-character",
@@ -156,7 +143,6 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
             systemPrompt = "prompt"
         )
         val oldSeries = saveSeries("old-series", character.creatorMember!!)
-        val newSeries = saveSeries("new-series", character.creatorMember!!)
         val content = saveAudioContent(
             owner = character.creatorMember!!,
             title = "series update title",
@@ -164,6 +150,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         )
         saveSeriesContent(oldSeries, content)
         entityManager.flush()
+        val beforeAudioContents = countAudioContents()
+        val beforeSeriesContents = countSeriesContents()
 
         mockMvc.perform(
             multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
@@ -172,15 +160,19 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                         "request",
                         "request.json",
                         MediaType.TEXT_PLAIN_VALUE,
-                        """{"seriesIds":[${newSeries.id}]}""".toByteArray()
+                        """{"title":"series update title","detail":"updated detail"}""".toByteArray()
                     )
                 )
                 .with(adminAuthentication())
         )
-            .andExpect(status().isOk)
-            .andExpect(jsonPath("$.success").value(true))
-            .andExpect(jsonPath("$.data.seriesIds.length()").value(1))
-            .andExpect(jsonPath("$.data.seriesIds[0]").value(newSeries.id))
+            .andExpect(status().isUnsupportedMediaType)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(header().string(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE))
+
+        assertNoSideEffects(beforeAudioContents, beforeSeriesContents) {
+            assertEquals("series update title", entityManager.find(AudioContent::class.java, content.id).title)
+            assertEquals(oldSeries.id, linkedSeriesId(content.id!!))
+        }
     }
 
     @ParameterizedTest
@@ -189,8 +181,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         "en,Invalid request.",
         "ja,無効なリクエストです。"
     )
-    @DisplayName("생성은 다른 캐릭터 소유 seriesIds를 S3 업로드 전 거부한다")
-    fun shouldRejectCreateWithOtherCharacterSeriesIdsBeforeUpload(language: String, message: String) {
+    @DisplayName("생성은 계약에 없는 다른 캐릭터 소유 seriesIds를 S3 업로드 전 거부한다")
+    fun shouldRejectCreateWithUnsupportedSeriesIdsBeforeUpload(language: String, message: String) {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-create-series-target",
             name = "v2-audio-create-series-target",
@@ -213,14 +205,14 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(
                     MockMultipartFile(
                         "request",
                         "request.json",
                         MediaType.APPLICATION_JSON_VALUE,
                         """
-                        {"title":"invalid series audio","description":"created detail","price":100,"isAdult":false,"themeId":${theme.id},"seriesIds":[${otherSeries.id}]}
+                        {"title":"invalid series audio","detail":"created detail","tags":"","price":100,"themeId":${theme.id},"seriesIds":[${otherSeries.id}]}
                         """.trimIndent().toByteArray()
                     )
                 )
@@ -233,8 +225,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
     }
 
     @Test
-    @DisplayName("생성은 처리 완료 전 유지할 수 없는 isActive false를 거부한다")
-    fun shouldRejectCreateWithInactiveRequest() {
+    @DisplayName("생성은 레거시 계약에 없는 isActive 필드를 거부한다")
+    fun shouldRejectCreateWithUnsupportedIsActiveField() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-create-inactive-character",
             name = "v2-audio-create-inactive-character",
@@ -248,14 +240,14 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(
                     MockMultipartFile(
                         "request",
                         "request.json",
                         MediaType.APPLICATION_JSON_VALUE,
                         """
-                        {"title":"inactive audio","description":"created detail","price":100,"isAdult":false,"isActive":false,"themeId":${theme.id},"seriesIds":[]}
+                        {"title":"inactive audio","detail":"created detail","tags":"","price":100,"isActive":false,"themeId":${theme.id}}
                         """.trimIndent().toByteArray()
                     )
                 )
@@ -283,14 +275,14 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(
                     MockMultipartFile(
                         "request",
                         "request.json",
                         MediaType.APPLICATION_JSON_VALUE,
                         """
-                        {"title":"invalid price audio","description":"created detail","price":1,"isAdult":false,"themeId":${theme.id},"seriesIds":[]}
+                        {"title":"invalid price audio","detail":"created detail","tags":"","price":1,"themeId":${theme.id}}
                         """.trimIndent().toByteArray()
                     )
                 )
@@ -323,7 +315,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"isActive":false,"releaseDateUtc":"2026-07-25T00:00:00Z"}""".toByteArray()
                     )
                 )
@@ -336,8 +328,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
     }
 
     @Test
-    @DisplayName("AI 캐릭터 콘텐츠 목록은 target 소유 공개 콘텐츠만 signed URL과 보정된 페이지로 반환한다")
-    fun shouldListTargetContentsWithSignedUrlAndNormalizedPagination() {
+    @DisplayName("AI 캐릭터 콘텐츠 목록은 search_word와 레거시 signed URL item을 반환한다")
+    fun shouldListTargetContentsWithLegacySearchAndSignedUrl() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-list-character",
             name = "v2-audio-list-character",
@@ -372,25 +364,22 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
 
         mockMvc.perform(
             get("/api/v2/admin/ai-characters/${character.id}/audio-contents")
-                .param("search", "night")
-                .param("status", "OPEN")
-                .param("page", "-1")
+                .param("search_word", "target night")
+                .param("page", "0")
                 .param("size", "100")
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.success").value(true))
-            .andExpect(jsonPath("$.data.page").value(0))
-            .andExpect(jsonPath("$.data.size").value(50))
             .andExpect(jsonPath("$.data.totalCount").value(1))
-            .andExpect(jsonPath("$.data.items[0].contentId").value(content.id))
+            .andExpect(jsonPath("$.data.items[0].audioContentId").value(content.id))
             .andExpect(jsonPath("$.data.items[0].title").value("target night walk"))
             .andExpect(
-                jsonPath("$.data.items[0].audioSignedUrl").value(
+                jsonPath("$.data.items[0].contentUrl").value(
                     "https://signed.example.com/private/target-night-walk.mp3?Expires=1"
                 )
             )
-            .andExpect(jsonPath("$.data.items[0].content").doesNotExist())
+            .andExpect(jsonPath("$.data.page").doesNotExist())
 
         Mockito.verify(audioContentCloudFront).generateSignedURL(
             "private/target-night-walk.mp3",
@@ -431,8 +420,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
     }
 
     @Test
-    @DisplayName("status SCHEDULED 목록은 target 소유 예약 콘텐츠만 반환한다")
-    fun shouldListScheduledContentsWhenStatusIsScheduled() {
+    @DisplayName("search_word 목록은 target 소유 예약 콘텐츠도 검색한다")
+    fun shouldSearchScheduledOwnedContents() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-list-scheduled-status-character",
             name = "v2-audio-list-scheduled-status-character",
@@ -456,18 +445,17 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
 
         mockMvc.perform(
             get("/api/v2/admin/ai-characters/${character.id}/audio-contents")
-                .param("status", "SCHEDULED")
+                .param("search_word", "scheduled explicit")
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.data.totalCount").value(1))
-            .andExpect(jsonPath("$.data.items[0].contentId").value(scheduled.id))
-            .andExpect(jsonPath("$.data.items[0].status").value("SCHEDULED"))
+            .andExpect(jsonPath("$.data.items[0].audioContentId").value(scheduled.id))
     }
 
     @Test
-    @DisplayName("status SCHEDULED 목록은 UTC 기준 미래 예약 콘텐츠를 서버 시간대와 무관하게 반환한다")
-    fun shouldListUtcFutureScheduledContentsWhenServerTimezoneIsAheadOfUtc() {
+    @DisplayName("목록은 UTC 미래 예약 콘텐츠의 레거시 releaseDate를 반환한다")
+    fun shouldReturnLegacyReleaseDateForUtcFutureScheduledContent() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-list-utc-scheduled-character",
             name = "v2-audio-list-utc-scheduled-character",
@@ -486,13 +474,13 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
 
         mockMvc.perform(
             get("/api/v2/admin/ai-characters/${character.id}/audio-contents")
-                .param("status", "SCHEDULED")
+                .param("search_word", "utc future")
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.data.totalCount").value(1))
-            .andExpect(jsonPath("$.data.items[0].contentId").value(scheduled.id))
-            .andExpect(jsonPath("$.data.items[0].status").value("SCHEDULED"))
+            .andExpect(jsonPath("$.data.items[0].audioContentId").value(scheduled.id))
+            .andExpect(jsonPath("$.data.items[0].releaseDate").isString)
     }
 
     @Test
@@ -520,13 +508,12 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.success").value(true))
             .andExpect(jsonPath("$.data.contentId").value(content.id))
-            .andExpect(jsonPath("$.data.description").value("detail"))
             .andExpect(jsonPath("$.data.detail").value("detail"))
             .andExpect(jsonPath("$.data.languageCode").value("ko"))
             .andExpect(jsonPath("$.data.themeStr").value("theme-detail night walk"))
             .andExpect(jsonPath("$.data.tag").value(""))
             .andExpect(jsonPath("$.data.duration").value("01:10:00"))
-            .andExpect(jsonPath("$.data.releaseDate").doesNotExist())
+            .andExpect(jsonPath("$.data.releaseDate").value(nullValue()))
             .andExpect(jsonPath("$.data.totalContentCount").doesNotExist())
             .andExpect(jsonPath("$.data.remainingContentCount").doesNotExist())
             .andExpect(jsonPath("$.data.orderSequence").doesNotExist())
@@ -539,6 +526,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.data.remainingTime").doesNotExist())
             .andExpect(jsonPath("$.data.creatorOtherContentList").isEmpty)
             .andExpect(jsonPath("$.data.sameThemeOtherContentList").isEmpty)
+            .andExpect(jsonPath("$.data.isCommentAvailable").value(true))
             .andExpect(jsonPath("$.data.isLike").value(false))
             .andExpect(jsonPath("$.data.likeCount").value(0))
             .andExpect(jsonPath("$.data.commentList").isEmpty)
@@ -551,17 +539,12 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.data.buyerList").isEmpty)
             .andExpect(jsonPath("$.data.isAvailableUsePoint").value(true))
             .andExpect(jsonPath("$.data.translated").doesNotExist())
-            .andExpect(jsonPath("$.data.seriesIds").isEmpty)
-            .andExpect(
-                jsonPath("$.data.audioSignedUrl").value(
-                    "https://signed.example.com/private/detail-night-walk.mp3?Expires=1"
-                )
-            )
             .andExpect(
                 jsonPath("$.data.contentUrl").value(
                     "https://signed.example.com/private/detail-night-walk.mp3?Expires=1"
                 )
             )
+            .andExpect(jsonPath("$.data.audioSignedUrl").doesNotExist())
             .andExpect(jsonPath("$.data.content").doesNotExist())
 
         Mockito.verify(audioContentCloudFront).generateSignedURL(
@@ -646,7 +629,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"title":"other after title"}""".toByteArray()
                     )
                 )
@@ -699,7 +682,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"seriesIds":[${otherSeries.id}]}""".toByteArray()
                     )
                 )
@@ -714,19 +697,20 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         }
     }
 
-    @Test
-    @DisplayName("수정은 audioFile 교체를 거부한다")
-    fun shouldRejectAudioFileUpdate() {
+    @ParameterizedTest
+    @ValueSource(strings = ["audioFile", "contentFile"])
+    @DisplayName("수정은 audioFile과 contentFile 교체를 거부한다")
+    fun shouldRejectUnsupportedContentFileUpdate(filePart: String) {
         val character = chatCharacterService.createChatCharacterWithDetails(
-            characterUUID = "v2-audio-update-audio-file-character",
-            name = "v2-audio-update-audio-file-character",
+            characterUUID = "v2-audio-update-$filePart-character",
+            name = "v2-audio-update-$filePart-character",
             description = "description",
             systemPrompt = "prompt"
         )
         val content = saveAudioContent(
             owner = character.creatorMember!!,
-            title = "audio file update title",
-            contentPath = "private/audio-file-update.mp3"
+            title = "$filePart update title",
+            contentPath = "private/$filePart-update.mp3"
         )
         entityManager.flush()
         val beforeAudioContents = countAudioContents()
@@ -734,12 +718,12 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
 
         mockMvc.perform(
             multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile(filePart, "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         "{}".toByteArray()
                     )
                 )
@@ -749,7 +733,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.success").value(false))
 
         assertNoSideEffects(beforeAudioContents, beforeSeriesContents) {
-            assertEquals("audio file update title", entityManager.find(AudioContent::class.java, content.id).title)
+            assertEquals("$filePart update title", entityManager.find(AudioContent::class.java, content.id).title)
         }
     }
 
@@ -784,7 +768,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"releaseDateUtc":"not-a-date"}""".toByteArray()
                     )
                 )
@@ -801,8 +785,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
     }
 
     @Test
-    @DisplayName("수정은 활성 콘텐츠를 미래 예약으로 변경할 때 비활성화해 조기 공개를 막는다")
-    fun shouldDeactivateContentWhenUpdatingFutureReleaseDateUtc() {
+    @DisplayName("수정은 레거시 계약에 없는 releaseDateUtc를 거부한다")
+    fun shouldRejectUnsupportedFutureReleaseDateUtc() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-update-future-release-character",
             name = "v2-audio-update-future-release-character",
@@ -825,22 +809,21 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"releaseDateUtc":"$releaseDateUtc"}""".toByteArray()
                     )
                 )
                 .with(adminAuthentication())
         )
-            .andExpect(status().isOk)
-            .andExpect(jsonPath("$.data.isActive").value(false))
-            .andExpect(jsonPath("$.data.status").value("SCHEDULED"))
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
 
-        assertEquals(false, entityManager.find(AudioContent::class.java, content.id).isActive)
+        assertEquals(true, entityManager.find(AudioContent::class.java, content.id).isActive)
     }
 
     @Test
-    @DisplayName("수정의 isActive false는 target 소유 콘텐츠를 soft delete하고 상세를 반환한다")
-    fun shouldSoftDeleteOwnedContentAndReturnDetail() {
+    @DisplayName("수정의 isActive false는 target 소유 콘텐츠를 soft delete하고 data null을 반환한다")
+    fun shouldSoftDeleteOwnedContentAndReturnNull() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-update-character",
             name = "v2-audio-update-character",
@@ -860,7 +843,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"title":"after title","isActive":false}""".toByteArray()
                     )
                 )
@@ -868,9 +851,12 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
         )
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.success").value(true))
-            .andExpect(jsonPath("$.data.title").value("after title"))
-            .andExpect(jsonPath("$.data.isActive").value(false))
-            .andExpect(jsonPath("$.data.releaseDateUtc").doesNotExist())
+            .andExpect(jsonPath("$.data").value(nullValue()))
+
+        val updated = entityManager.find(AudioContent::class.java, content.id)
+        assertEquals("after title", updated.title)
+        assertEquals(false, updated.isActive)
+        assertEquals(null, updated.releaseDate)
     }
 
     @Test
@@ -895,8 +881,8 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
-            .andExpect(jsonPath("$.data.page").value(0))
-            .andExpect(jsonPath("$.data.size").value(20))
+            .andExpect(jsonPath("$.data.page").doesNotExist())
+            .andExpect(jsonPath("$.data.size").doesNotExist())
 
         mockMvc.perform(
             get("/api/v2/admin/ai-characters/${character.id}/audio-contents")
@@ -904,7 +890,7 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
-            .andExpect(jsonPath("$.data.size").value(20))
+            .andExpect(jsonPath("$.data.size").doesNotExist())
     }
 
     private fun saveAudioContent(
@@ -1013,6 +999,15 @@ class AiCharacterAdminAudioContentControllerTest @Autowired constructor(
             .toLong()
     }
 
+    private fun registerMysqlDateFunctions() {
+        entityManager.createNativeQuery(
+            "CREATE ALIAS IF NOT EXISTS DATE_FORMAT FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.dateFormat'"
+        ).executeUpdate()
+        entityManager.createNativeQuery(
+            "CREATE ALIAS IF NOT EXISTS CONVERT_TZ FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.convertTz'"
+        ).executeUpdate()
+    }
+
     private fun adminAuthentication() = authentication(
         UsernamePasswordAuthenticationToken(
             MemberAdapter(

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentCreateTest.kt

@@ -3,6 +3,7 @@ package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 import com.amazonaws.services.s3.AmazonS3Client
 import com.amazonaws.services.s3.model.PutObjectRequest
 import com.amazonaws.services.s3.model.PutObjectResult
+import com.fasterxml.jackson.databind.ObjectMapper
 import kr.co.vividnext.sodalive.chat.character.service.ChatCharacterService
 import kr.co.vividnext.sodalive.content.AudioContent
 import kr.co.vividnext.sodalive.content.AudioContentService
@@ -15,11 +16,14 @@ import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertNull
 import org.junit.jupiter.api.Assertions.assertSame
+import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.params.ParameterizedTest
 import org.junit.jupiter.params.provider.CsvSource
+import org.junit.jupiter.params.provider.ValueSource
+import org.mockito.ArgumentCaptor
 import org.mockito.Mockito
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
@@ -29,6 +33,7 @@ import org.springframework.context.ApplicationEventPublisher
 import org.springframework.http.HttpHeaders
 import org.springframework.http.MediaType
 import org.springframework.mock.web.MockMultipartFile
+import org.springframework.mock.web.MockPart
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
 import org.springframework.security.core.authority.SimpleGrantedAuthority
 import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.authentication
@@ -38,6 +43,7 @@ import org.springframework.test.util.ReflectionTestUtils
 import org.springframework.test.web.servlet.MockMvc
 import org.springframework.test.web.servlet.RequestBuilder
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.multipart
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.header
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.status
 import org.springframework.transaction.annotation.Propagation
@@ -55,6 +61,7 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
     private val mockMvc: MockMvc,
     private val chatCharacterService: ChatCharacterService,
     private val audioContentService: AudioContentService,
+    private val objectMapper: ObjectMapper,
     private val transactionTemplate: TransactionTemplate,
     private val entityManager: EntityManager
 ) {
@@ -94,7 +101,7 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
 
         assertMissingPartRequest(
             requestBuilder = multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(requestPart(theme.id!!))
                 .header(HttpHeaders.ACCEPT_LANGUAGE, language)
                 .with(adminAuthentication()),
@@ -107,9 +114,9 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         "coverImage,ko,잘못된 요청입니다.",
         "coverImage,en,Invalid request.",
         "coverImage,ja,無効なリクエストです。",
-        "audioFile,ko,잘못된 요청입니다.",
-        "audioFile,en,Invalid request.",
-        "audioFile,ja,無効なリクエストです。"
+        "contentFile,ko,잘못된 요청입니다.",
+        "contentFile,en,Invalid request.",
+        "contentFile,ja,無効なリクエストです。"
     )
     @DisplayName("생성은 빈 파일 part를 업로드 전 invalid request로 거부한다")
     fun shouldRejectEmptyCreateFilesBeforeUpload(filePart: String, language: String, message: String) {
@@ -121,12 +128,12 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         )
         val theme = saveTheme()
         val coverBytes = if (filePart == "coverImage") byteArrayOf() else byteArrayOf(1)
-        val audioBytes = if (filePart == "audioFile") byteArrayOf() else byteArrayOf(1)
+        val contentBytes = if (filePart == "contentFile") byteArrayOf() else byteArrayOf(1)
 
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", coverBytes))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", audioBytes))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", contentBytes))
                 .file(requestPart(theme.id!!))
                 .header(HttpHeaders.ACCEPT_LANGUAGE, language)
                 .with(adminAuthentication())
@@ -147,8 +154,8 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         "en,Invalid request.",
         "ja,無効なリクエストです。"
     )
-    @DisplayName("생성은 audioFile part 누락을 업로드 전 invalid request로 거부한다")
-    fun shouldRejectMissingAudioFileBeforeUpload(language: String, message: String) {
+    @DisplayName("생성은 contentFile part 누락을 업로드 전 invalid request로 거부한다")
+    fun shouldRejectMissingContentFileBeforeUpload(language: String, message: String) {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-create-missing-audio-character",
             name = "v2-audio-create-missing-audio-character",
@@ -185,13 +192,132 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         assertMissingPartRequest(
             requestBuilder = multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .header(HttpHeaders.ACCEPT_LANGUAGE, language)
                 .with(adminAuthentication()),
             message = message
         )
     }
 
+    @ParameterizedTest
+    @CsvSource(
+        value = [
+            "text/plain,ko,잘못된 요청입니다.",
+            "text/plain,en,Invalid request.",
+            "text/plain,ja,無効なリクエストです。",
+            "<missing>,ko,잘못된 요청입니다.",
+            "<missing>,en,Invalid request.",
+            "<missing>,ja,無効なリクエストです。"
+        ],
+        nullValues = ["<missing>"]
+    )
+    @DisplayName("생성은 JSON이 아닌 request part를 지역화된 415와 부작용 없음으로 거부한다")
+    fun shouldRejectNonJsonRequestPartBeforeSideEffects(
+        requestContentType: String?,
+        language: String,
+        message: String
+    ) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-non-json-${requestContentType ?: "missing"}-$language",
+            name = "v2-audio-create-non-json-${requestContentType ?: "missing"}-$language",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+
+        mockMvc.perform(
+            multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
+                .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(requestPart(theme.id!!, requestContentType))
+                .header(HttpHeaders.ACCEPT_LANGUAGE, language)
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isUnsupportedMediaType)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(jsonPath("$.message").value(message))
+            .andExpect(header().string(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE))
+
+        assertActualAudioContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+        assertEquals(0L, countAudioContents())
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "ko,잘못된 요청입니다.",
+        "en,Invalid request.",
+        "ja,無効なリクエストです。"
+    )
+    @DisplayName("생성은 미정의 multipart part를 업로드 전 invalid request로 거부한다")
+    fun shouldRejectUndefinedMultipartPartBeforeSideEffects(language: String, message: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-undefined-part-$language",
+            name = "v2-audio-create-undefined-part-$language",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+        Mockito.`when`(amazonS3Client.getUrl(Mockito.anyString(), Mockito.anyString()))
+            .thenReturn(URL("https://test.cloudfront.net/uploaded"))
+
+        mockMvc.perform(
+            multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
+                .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("unexpected", "unexpected.txt", "text/plain", byteArrayOf(1)))
+                .file(requestPart(theme.id!!))
+                .header(HttpHeaders.ACCEPT_LANGUAGE, language)
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(jsonPath("$.message").value(message))
+
+        assertActualAudioContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+        assertEquals(0L, countAudioContents())
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "ko,잘못된 요청입니다.",
+        "en,Invalid request.",
+        "ja,無効なリクエストです。"
+    )
+    @DisplayName("생성은 filename 없는 미정의 multipart part를 업로드 전 invalid request로 거부한다")
+    fun shouldRejectFilenameLessUndefinedMultipartPartBeforeSideEffects(language: String, message: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-filename-less-part-$language",
+            name = "v2-audio-create-filename-less-part-$language",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+        Mockito.`when`(amazonS3Client.getUrl(Mockito.anyString(), Mockito.anyString()))
+            .thenReturn(URL("https://test.cloudfront.net/uploaded"))
+
+        mockMvc.perform(
+            multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
+                .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(requestPart(theme.id!!))
+                .part(MockPart("unexpected", "unexpected".toByteArray()))
+                .header(HttpHeaders.ACCEPT_LANGUAGE, language)
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(jsonPath("$.message").value(message))
+
+        assertActualAudioContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+        assertEquals(0L, countAudioContents())
+    }
+
     @Test
     @DisplayName("생성은 존재하지 않는 themeId를 업로드 전 invalid request로 거부한다")
     fun shouldRejectMissingThemeBeforeUpload() {
@@ -205,7 +331,7 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(requestPart(999999L))
                 .header(HttpHeaders.ACCEPT_LANGUAGE, "en")
                 .with(adminAuthentication())
@@ -219,6 +345,166 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         assertEquals(0L, countAudioContents())
     }
 
+    @ParameterizedTest
+    @CsvSource(
+        value = [
+            "onlyStart|ko|미리 듣기 시작 시간과 종료 시간 둘 다 입력을 하거나 둘 다 입력 하지 않아야 합니다.",
+            "onlyStart|en|You must enter both preview start and end times, or neither.",
+            "onlyStart|ja|プレビューの開始時間と終了時間は両方入力するか、両方入力しないでください。",
+            "malformed|ko|미리 듣기 시간 형식은 00:30:00 과 같아야 합니다",
+            "malformed|en|Preview time format must be like 00:30:00.",
+            "malformed|ja|プレビュー時間の形式は00:30:00のようにする必要があります。",
+            "tooShort|ko|미리 듣기의 최소 시간은 15초 입니다.",
+            "tooShort|en|The minimum preview time is 15 seconds.",
+            "tooShort|ja|プレビューの最小時間は15秒です。"
+        ],
+        delimiter = '|'
+    )
+    @DisplayName("생성은 잘못된 preview 시간을 업로드 전 기존 오류로 거부한다")
+    fun shouldRejectInvalidPreviewTimeBeforeUpload(previewCase: String, language: String, message: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-preview-$previewCase-$language",
+            name = "v2-audio-create-preview-$previewCase-$language",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+        val previewFields = when (previewCase) {
+            "onlyStart" -> ",\"previewStartTime\":\"00:00:01\""
+            "malformed" -> ",\"previewStartTime\":\"00:1:01\",\"previewEndTime\":\"00:00:20\""
+            else -> ",\"previewStartTime\":\"00:00:01\",\"previewEndTime\":\"00:00:10\""
+        }
+
+        mockMvc.perform(
+            multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
+                .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(
+                    MockMultipartFile(
+                        "request",
+                        "request.json",
+                        MediaType.APPLICATION_JSON_VALUE,
+                        """
+                        {"title":"audio","detail":"detail","tags":"","price":100,"themeId":${theme.id}$previewFields}
+                        """.trimIndent().toByteArray()
+                    )
+                )
+                .header(HttpHeaders.ACCEPT_LANGUAGE, language)
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(jsonPath("$.message").value(message))
+
+        assertActualAudioContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+        assertEquals(0L, countAudioContents())
+    }
+
+    @Test
+    @DisplayName("생성은 timezone request field를 업로드 전 invalid request로 거부한다")
+    fun shouldRejectTimezoneRequestFieldBeforeUpload() {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-timezone-field-character",
+            name = "v2-audio-create-timezone-field-character",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+
+        assertInvalidCreateRequestBeforeSideEffects(
+            characterId = character.id!!,
+            request = """
+                {"title":"audio","detail":"detail","tags":"","price":100,"themeId":${theme.id},"releaseDate":"2027-07-30 10:00","timezone":"UTC"}
+            """
+        )
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = ["2027-07-30 10:00", "2027-07-30T10:00:00+09:00", "2027-07-30T10:00:00+00:00"])
+    @DisplayName("생성은 local 또는 offset releaseDate를 업로드 전 invalid request로 거부한다")
+    fun shouldRejectNonUtcReleaseDateBeforeUpload(releaseDate: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-non-utc-release-character-${releaseDate.hashCode()}",
+            name = "v2-audio-create-non-utc-release-character-${releaseDate.hashCode()}",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+
+        assertInvalidCreateRequestBeforeSideEffects(
+            characterId = character.id!!,
+            request = """
+                {"title":"audio","detail":"detail","tags":"","price":100,"themeId":${theme.id},"releaseDate":"$releaseDate"}
+            """
+        )
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = ["missing", "null"])
+    @DisplayName("생성은 price 누락과 null을 업로드 전 invalid request로 거부한다")
+    fun shouldRejectMissingOrNullPriceBeforeUpload(priceCase: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-$priceCase-price-character",
+            name = "v2-audio-create-$priceCase-price-character",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+        val priceJson = if (priceCase == "null") ",\"price\":null" else ""
+
+        assertInvalidCreateRequestBeforeSideEffects(
+            characterId = character.id!!,
+            request = """
+                {"title":"audio","detail":"detail","tags":"","themeId":${theme.id}$priceJson}
+            """
+        )
+    }
+
+    @ParameterizedTest
+    @ValueSource(
+        strings = [
+            "themeId",
+            "isAdult",
+            "isGeneratePreview",
+            "isOnlyRental",
+            "isPointAvailable",
+            "isCommentAvailable",
+            "isFullDetailVisible"
+        ]
+    )
+    @DisplayName("생성은 non-null primitive null을 업로드 전 invalid request로 거부한다")
+    fun shouldRejectNullPrimitiveFieldsBeforeUpload(field: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-null-$field-character",
+            name = "v2-audio-create-null-$field-character",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+        val primitiveFields = listOf(
+            "price" to "100",
+            "themeId" to theme.id.toString(),
+            "isAdult" to "false",
+            "isGeneratePreview" to "false",
+            "isOnlyRental" to "false",
+            "isPointAvailable" to "false",
+            "isCommentAvailable" to "false",
+            "isFullDetailVisible" to "true"
+        ).joinToString(",") { (key, value) ->
+            val fieldValue = if (key == field) "null" else value
+            "\"$key\":$fieldValue"
+        }
+
+        assertInvalidCreateRequestBeforeSideEffects(
+            characterId = character.id!!,
+            request = """
+                {"title":"audio","detail":"detail","tags":"",$primitiveFields}
+            """
+        )
+    }
+
     @Test
     @Transactional(propagation = Propagation.NOT_SUPPORTED)
     @DisplayName("생성은 cover 업로드 실패 시 DB와 이벤트를 남기지 않는다")
@@ -237,7 +523,7 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(requestPart(theme.id!!))
                 .header(HttpHeaders.ACCEPT_LANGUAGE, "en")
                 .with(adminAuthentication())
@@ -271,7 +557,7 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(requestPart(theme.id!!))
                 .header(HttpHeaders.ACCEPT_LANGUAGE, "en")
                 .with(adminAuthentication())
@@ -307,7 +593,7 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
             mockMvc.perform(
                 multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                     .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                    .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                    .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                     .file(requestPart(theme.id!!))
                     .header(HttpHeaders.ACCEPT_LANGUAGE, "en")
                     .with(adminAuthentication())
@@ -325,8 +611,8 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
     }
 
     @Test
-    @DisplayName("생성은 tags 누락과 isActive true를 legacy pipeline 기본 계약으로 허용한다")
-    fun shouldAllowMissingTagsAndActiveTrueRequest() {
+    @DisplayName("생성은 timezone 없이 UTC releaseDate를 저장하고 data.contentId만 반환한다")
+    fun shouldCreateWithUtcReleaseDateAndReturnContentId() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-create-minimal-character",
             name = "v2-audio-create-minimal-character",
@@ -337,26 +623,74 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         Mockito.`when`(amazonS3Client.getUrl(Mockito.anyString(), Mockito.anyString()))
             .thenReturn(URL("https://test.cloudfront.net/uploaded"))
 
-        mockMvc.perform(
+        val response = mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(
                     MockMultipartFile(
                         "request",
                         "request.json",
                         MediaType.APPLICATION_JSON_VALUE,
                         """
-                        {"title":"minimal audio","description":"detail","price":100,"themeId":${theme.id},"isActive":true}
+                        {"title":"utc audio","detail":"utc detail","tags":"#utc","price":100,"purchaseOption":"BOTH","limited":7,"releaseDate":"2027-07-30T10:00:01Z","themeId":${theme.id},"isAdult":false,"isGeneratePreview":true,"isOnlyRental":false,"isPointAvailable":true,"isCommentAvailable":false,"isFullDetailVisible":false,"previewStartTime":"00:00:05","previewEndTime":"00:00:25","languageCode":"ko"}
                         """.trimIndent().toByteArray()
                     )
                 )
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
-            .andExpect(jsonPath("$.data.title").value("minimal audio"))
-            .andExpect(jsonPath("$.data.tag").value(""))
-            .andExpect(jsonPath("$.data.isActive").value(false))
+            .andExpect(jsonPath("$.data.contentId").isNumber)
+            .andReturn()
+
+        val data = objectMapper.readTree(response.response.contentAsString).path("data")
+        assertEquals(setOf("contentId"), data.fieldNames().asSequence().toSet())
+        val content = findAudioContentByTitle("utc audio")!!
+        assertEquals(data.path("contentId").asLong(), content.id)
+        assertEquals("utc detail", content.detail)
+        assertEquals(7, content.limited)
+        assertEquals("2027-07-30T10:00:01", content.releaseDate.toString())
+
+        val uploadCaptor = ArgumentCaptor.forClass(PutObjectRequest::class.java)
+        Mockito.verify(amazonS3Client, Mockito.times(2)).putObject(uploadCaptor.capture())
+        val audioUpload = uploadCaptor.allValues.single { it.key.startsWith("input/") }
+        assertEquals("00:00:05", audioUpload.metadata.userMetadata["preview_start_time"])
+        assertEquals("00:00:25", audioUpload.metadata.userMetadata["preview_end_time"])
+        assertTrue(audioUpload.metadata.userMetadata["generate_preview"].toBoolean())
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = ["", ",\"releaseDate\":null"])
+    @DisplayName("생성은 생략 또는 null releaseDate를 허용한다")
+    fun shouldAllowOmittedOrNullReleaseDate(releaseDateField: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-create-nullable-release-${releaseDateField.hashCode()}",
+            name = "v2-audio-create-nullable-release-${releaseDateField.hashCode()}",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val theme = saveTheme()
+        Mockito.`when`(amazonS3Client.getUrl(Mockito.anyString(), Mockito.anyString()))
+            .thenReturn(URL("https://test.cloudfront.net/uploaded"))
+
+        mockMvc.perform(
+            multipart("/api/v2/admin/ai-characters/${character.id}/audio-contents")
+                .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(
+                    MockMultipartFile(
+                        "request",
+                        "request.json",
+                        MediaType.APPLICATION_JSON_VALUE,
+                        """
+                        {"title":"nullable release","detail":"detail","tags":"","price":100,"themeId":${theme.id}$releaseDateField}
+                        """.trimIndent().toByteArray()
+                    )
+                )
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.contentId").isNumber)
     }
 
     private fun saveTheme(): AudioContentTheme {
@@ -366,13 +700,16 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         return theme
     }
 
-    private fun requestPart(themeId: Long): MockMultipartFile {
+    private fun requestPart(
+        themeId: Long,
+        contentType: String? = MediaType.APPLICATION_JSON_VALUE
+    ): MockMultipartFile {
         return MockMultipartFile(
             "request",
             "request.json",
-            MediaType.APPLICATION_JSON_VALUE,
+            contentType,
             """
-            {"title":"audio","description":"detail","price":100,"themeId":$themeId,"isActive":true}
+            {"title":"audio","detail":"detail","tags":"","price":100,"themeId":$themeId}
             """.trimIndent().toByteArray()
         )
     }
@@ -394,6 +731,30 @@ class AiCharacterAdminAudioContentCreateTest @Autowired constructor(
         assertEquals(0L, countAudioContents())
     }
 
+    private fun assertInvalidCreateRequestBeforeSideEffects(characterId: Long, request: String) {
+        mockMvc.perform(
+            multipart("/api/v2/admin/ai-characters/$characterId/audio-contents")
+                .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(
+                    MockMultipartFile(
+                        "request",
+                        "request.json",
+                        MediaType.APPLICATION_JSON_VALUE,
+                        request.trimIndent().toByteArray()
+                    )
+                )
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+
+        assertActualAudioContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+        assertEquals(0L, countAudioContents())
+    }
+
     private fun countAudioContents(): Long {
         return entityManager.createQuery("select count(c) from AudioContent c", java.lang.Long::class.java)
             .singleResult

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentOwnershipTest.kt

@@ -133,7 +133,7 @@ class AiCharacterAdminAudioContentOwnershipTest @Autowired constructor(
         val result = mockMvc.perform(
             multipart("/api/v2/admin/ai-characters/999999/audio-contents")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("audioFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
+                .file(MockMultipartFile("contentFile", "audio.mp3", "audio/mpeg", byteArrayOf(1)))
                 .file(
                     MockMultipartFile(
                         "request",
@@ -205,7 +205,7 @@ class AiCharacterAdminAudioContentOwnershipTest @Autowired constructor(
 
         val result = mockMvc.perform(
             multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/999999/audio-contents/1")
-                .file(MockMultipartFile("request", "request.json", MediaType.TEXT_PLAIN_VALUE, "{}".toByteArray()))
+                .file(MockMultipartFile("request", "request.json", MediaType.APPLICATION_JSON_VALUE, "{}".toByteArray()))
                 .header(HttpHeaders.ACCEPT_LANGUAGE, language)
                 .with(adminAuthentication())
         )

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentQueryTest.kt

@@ -1,15 +1,18 @@
 package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 
+import com.fasterxml.jackson.databind.ObjectMapper
 import kr.co.vividnext.sodalive.aws.cloudfront.AudioContentCloudFront
 import kr.co.vividnext.sodalive.chat.character.service.ChatCharacterService
 import kr.co.vividnext.sodalive.content.AudioContent
+import kr.co.vividnext.sodalive.content.GetAudioContentDetailResponse
 import kr.co.vividnext.sodalive.content.PurchaseOption
 import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberAdapter
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
-import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.mockito.Mockito
@@ -36,14 +39,85 @@ import javax.persistence.EntityManager
 class AiCharacterAdminAudioContentQueryTest @Autowired constructor(
     private val mockMvc: MockMvc,
     private val chatCharacterService: ChatCharacterService,
+    private val objectMapper: ObjectMapper,
     private val entityManager: EntityManager
 ) {
     @MockBean
     private lateinit var audioContentCloudFront: AudioContentCloudFront
 
     @Test
-    @DisplayName("상세는 과거 공개일을 releaseDateUtc에만 반환하고 legacy releaseDate는 비운다")
-    fun shouldExposePastReleaseDateOnlyAsUtcField() {
+    @DisplayName("목록은 search_word로 검색하고 레거시 전체 item exact 필드를 반환한다")
+    fun shouldSearchByLegacyQueryAndReturnFullLegacyListItem() {
+        registerMysqlDateFunctions()
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-query-list-character",
+            name = "v2-audio-query-list-character",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val matching = saveAudioContent(
+            owner = character.creatorMember!!,
+            title = "legacy target audio",
+            releaseDate = LocalDateTime.of(2026, 7, 25, 0, 0)
+        )
+        saveAudioContent(
+            owner = character.creatorMember!!,
+            title = "different audio",
+            releaseDate = LocalDateTime.of(2026, 7, 24, 0, 0)
+        )
+        entityManager.flush()
+        Mockito.`when`(audioContentCloudFront.generateSignedURL(Mockito.anyString(), Mockito.anyLong()))
+            .thenAnswer { invocation -> "https://signed.example.com/${invocation.arguments[0]}?Expires=1" }
+
+        val response = mockMvc.perform(
+            get("/api/v2/admin/ai-characters/${character.id}/audio-contents")
+                .param("search_word", "legacy target")
+                .param("page", "0")
+                .param("size", "1")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.totalCount").value(1))
+            .andReturn()
+
+        val data = objectMapper.readTree(response.response.contentAsString).path("data")
+        val item = data.path("items").path(0)
+        assertEquals(setOf("totalCount", "items"), data.fieldNames().asSequence().toSet())
+        assertEquals(
+            setOf(
+                "audioContentId",
+                "title",
+                "detail",
+                "coverImageUrl",
+                "creatorNickname",
+                "theme",
+                "price",
+                "totalContentCount",
+                "remainingContentCount",
+                "isAdult",
+                "isPointAvailable",
+                "isCommentAvailable",
+                "remainingTime",
+                "contentUrl",
+                "date",
+                "releaseDate",
+                "tags"
+            ),
+            item.fieldNames().asSequence().toSet()
+        )
+        assertEquals(matching.id, item.path("audioContentId").asLong())
+        assertEquals("legacy target audio", item.path("title").asText())
+        assertEquals("detail", item.path("detail").asText())
+        assertEquals("https://test.cloudfront.net/cover/legacy target audio.png", item.path("coverImageUrl").asText())
+        assertEquals(
+            "https://signed.example.com/private/legacy target audio.mp3?Expires=1",
+            item.path("contentUrl").asText()
+        )
+    }
+
+    @Test
+    @DisplayName("상세는 timezone 없이 기존 nested DTO exact 필드를 반환한다")
+    fun shouldReturnFullLegacyDetailContractWithoutTimezone() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-query-release-character",
             name = "v2-audio-query-release-character",
@@ -59,42 +133,150 @@ class AiCharacterAdminAudioContentQueryTest @Autowired constructor(
         Mockito.`when`(audioContentCloudFront.generateSignedURL(Mockito.anyString(), Mockito.anyLong()))
             .thenReturn("https://signed.example.com/query-release.mp3?Expires=1")
 
+        val response = mockMvc.perform(
+            get("/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.contentUrl").value("https://signed.example.com/query-release.mp3?Expires=1"))
+            .andExpect(jsonPath("$.data.isOnlyRental").value(true))
+            .andExpect(jsonPath("$.data.purchaseOption").value("RENT_ONLY"))
+            .andReturn()
+
+        val data = objectMapper.readTree(response.response.contentAsString).path("data")
+        assertEquals(
+            setOf(
+                "contentId",
+                "title",
+                "detail",
+                "languageCode",
+                "coverImageUrl",
+                "contentUrl",
+                "themeStr",
+                "tag",
+                "price",
+                "duration",
+                "releaseDate",
+                "totalContentCount",
+                "remainingContentCount",
+                "orderSequence",
+                "isActivePreview",
+                "isAdult",
+                "isMosaic",
+                "isOnlyRental",
+                "existOrdered",
+                "purchaseOption",
+                "orderType",
+                "remainingTime",
+                "creatorOtherContentList",
+                "sameThemeOtherContentList",
+                "isCommentAvailable",
+                "isLike",
+                "likeCount",
+                "commentList",
+                "commentCount",
+                "isPin",
+                "isAvailablePin",
+                "creator",
+                "previousContent",
+                "nextContent",
+                "buyerList",
+                "isAvailableUsePoint",
+                "translated"
+            ),
+            data.fieldNames().asSequence().toSet()
+        )
+        assertEquals(
+            setOf("creatorId", "nickname", "profileImageUrl", "isFollowing", "isFollow", "isNotify"),
+            data.path("creator").fieldNames().asSequence().toSet()
+        )
+        Mockito.verify(audioContentCloudFront).generateSignedURL("private/query release audio.mp3", 10_800_000L)
+    }
+
+    @Test
+    @DisplayName("상세는 미래 예약일을 UTC Z releaseDate로 반환한다")
+    fun shouldReturnFutureReleaseDateAsUtcIso() {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-query-future-release",
+            name = "v2-audio-query-future-release",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val content = saveAudioContent(
+            owner = character.creatorMember!!,
+            title = "future release audio",
+            releaseDate = LocalDateTime.of(2027, 7, 30, 10, 0)
+        )
+        entityManager.flush()
+        Mockito.`when`(audioContentCloudFront.generateSignedURL(Mockito.anyString(), Mockito.anyLong()))
+            .thenReturn("https://signed.example.com/future-release.mp3?Expires=1")
+
         mockMvc.perform(
             get("/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
-            .andExpect(jsonPath("$.data.releaseDateUtc").value("2026-07-25T00:00:00Z"))
-            .andExpect(jsonPath("$.data.releaseDate").doesNotExist())
-            .andExpect(jsonPath("$.data.isOnlyRental").value(true))
-            .andExpect(jsonPath("$.data.purchaseOption").value("RENT_ONLY"))
+            .andExpect(jsonPath("$.data.releaseDate").value("2027-07-30T10:00:00Z"))
+            .andExpect(jsonPath("$.data.contentUrl").value("https://signed.example.com/future-release.mp3?Expires=1"))
     }
 
     @Test
-    @DisplayName("상세 응답 DTO는 legacy/public 중첩 DTO 타입을 직접 노출하지 않는다")
-    fun shouldUseV2NestedResponseTypes() {
-        val legacyPackages = setOf(
-            "kr.co.vividnext.sodalive.content",
-            "kr.co.vividnext.sodalive.content.comment",
-            "kr.co.vividnext.sodalive.content.translation"
+    @DisplayName("상세는 현재 또는 과거 예약일의 releaseDate를 null로 반환한다")
+    fun shouldReturnNullReleaseDateForPastOrCurrentReleaseDate() {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-query-past-release-character",
+            name = "v2-audio-query-past-release-character",
+            description = "description",
+            systemPrompt = "prompt"
         )
-
-        val nestedResponseFieldNames = setOf(
-            "creatorOtherContentList",
-            "sameThemeOtherContentList",
-            "commentList",
-            "creator",
-            "previousContent",
-            "nextContent",
-            "buyerList",
-            "translated"
+        val content = saveAudioContent(
+            owner = character.creatorMember!!,
+            title = "past release audio",
+            releaseDate = LocalDateTime.of(2020, 1, 1, 0, 0)
         )
-        val leakedTypes = AiCharacterAdminAudioContentResponse::class.java.declaredFields
-            .filter { it.name in nestedResponseFieldNames }
-            .map { it.type.packageName }
-            .filter { it in legacyPackages }
+        entityManager.flush()
+        Mockito.`when`(audioContentCloudFront.generateSignedURL(Mockito.anyString(), Mockito.anyLong()))
+            .thenReturn("https://signed.example.com/past-release.mp3?Expires=1")
 
-        assertFalse(leakedTypes.isNotEmpty(), "legacy nested DTO packages leaked: $leakedTypes")
+        val response = mockMvc.perform(
+            get("/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isOk)
+            .andExpect(jsonPath("$.data.contentUrl").value("https://signed.example.com/past-release.mp3?Expires=1"))
+            .andReturn()
+
+        assertTrue(objectMapper.readTree(response.response.contentAsString).path("data").path("releaseDate").isNull)
+    }
+
+    @Test
+    @DisplayName("상세는 timezone query를 허용하지 않는다")
+    fun shouldRejectTimezoneForDetail() {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-query-timezone-character",
+            name = "v2-audio-query-timezone-character",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val content = saveAudioContent(
+            owner = character.creatorMember!!,
+            title = "timezone required audio",
+            releaseDate = LocalDateTime.of(2026, 7, 25, 0, 0)
+        )
+        entityManager.flush()
+
+        mockMvc.perform(
+            get("/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
+                .param("timezone", "UTC")
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+    }
+
+    @Test
+    @DisplayName("상세 응답은 레거시 GetAudioContentDetailResponse 타입을 재사용한다")
+    fun shouldReuseLegacyDetailResponseType() {
+        assertEquals(GetAudioContentDetailResponse::class.java, AiCharacterAdminAudioContentResponse::class.java)
     }
 
     private fun saveAudioContent(owner: Member, title: String, releaseDate: LocalDateTime): AudioContent {
@@ -104,6 +286,8 @@ class AiCharacterAdminAudioContentQueryTest @Autowired constructor(
             title = title,
             detail = "detail",
             languageCode = "ko",
+            limited = 10,
+            remaining = 5,
             price = 100,
             purchaseOption = PurchaseOption.RENT_ONLY,
             isOnlyRental = false,
@@ -122,6 +306,15 @@ class AiCharacterAdminAudioContentQueryTest @Autowired constructor(
         }
     }
 
+    private fun registerMysqlDateFunctions() {
+        entityManager.createNativeQuery(
+            "CREATE ALIAS IF NOT EXISTS DATE_FORMAT FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.dateFormat'"
+        ).executeUpdate()
+        entityManager.createNativeQuery(
+            "CREATE ALIAS IF NOT EXISTS CONVERT_TZ FOR 'kr.co.vividnext.sodalive.support.H2MysqlDateFunctions.convertTz'"
+        ).executeUpdate()
+    }
+
     private fun adminAuthentication() = authentication(
         UsernamePasswordAuthenticationToken(
             MemberAdapter(

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentThemeControllerTest.kt

@@ -1,10 +1,12 @@
 package kr.co.vividnext.sodalive.v2.api.admin.aicharacter.content
 
+import com.fasterxml.jackson.databind.ObjectMapper
 import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberAdapter
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 import org.springframework.beans.factory.annotation.Autowired
@@ -28,11 +30,12 @@ import javax.persistence.EntityManager
 @ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
 class AiCharacterAdminAudioContentThemeControllerTest @Autowired constructor(
     private val mockMvc: MockMvc,
+    private val objectMapper: ObjectMapper,
     private val entityManager: EntityManager
 ) {
     @Test
-    @DisplayName("콘텐츠 테마 목록은 ADMIN에게 활성 테마만 v2 필드명으로 반환한다")
-    fun shouldReturnActiveThemesWithV2FieldNames() {
+    @DisplayName("콘텐츠 테마 목록은 ADMIN에게 활성 테마만 레거시 exact 필드로 반환한다")
+    fun shouldReturnActiveThemesWithLegacyFields() {
         val later = AudioContentTheme(theme = "later theme", image = "theme/later.png", orders = 2)
         val earlier = AudioContentTheme(theme = "earlier theme", image = "theme/earlier.png", orders = 1)
         val inactive = AudioContentTheme(theme = "inactive theme", image = "theme/inactive.png", isActive = false)
@@ -41,19 +44,20 @@ class AiCharacterAdminAudioContentThemeControllerTest @Autowired constructor(
         entityManager.persist(inactive)
         entityManager.flush()
 
-        mockMvc.perform(
+        val response = mockMvc.perform(
             get("/api/v2/admin/ai-characters/audio-content-themes")
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.success").value(true))
             .andExpect(jsonPath("$.data.length()").value(2))
-            .andExpect(jsonPath("$.data[0].themeId").value(earlier.id))
-            .andExpect(jsonPath("$.data[0].themeName").value("earlier theme"))
-            .andExpect(jsonPath("$.data[0].imageUrl").value("https://test.cloudfront.net/theme/earlier.png"))
-            .andExpect(jsonPath("$.data[0].id").doesNotExist())
-            .andExpect(jsonPath("$.data[0].theme").doesNotExist())
-            .andExpect(jsonPath("$.data[0].image").doesNotExist())
+            .andExpect(jsonPath("$.data[0].id").value(earlier.id))
+            .andExpect(jsonPath("$.data[0].theme").value("earlier theme"))
+            .andExpect(jsonPath("$.data[0].image").value("https://test.cloudfront.net/theme/earlier.png"))
+            .andReturn()
+
+        val item = objectMapper.readTree(response.response.contentAsString).path("data").path(0)
+        assertEquals(setOf("id", "theme", "image"), item.fieldNames().asSequence().toSet())
     }
 
     @Test

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/admin/aicharacter/content/AiCharacterAdminAudioContentUpdateTest.kt

@@ -14,6 +14,7 @@ import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberAdapter
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.hamcrest.Matchers.nullValue
 import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertSame
@@ -21,15 +22,20 @@ import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.CsvSource
+import org.junit.jupiter.params.provider.ValueSource
 import org.mockito.Mockito
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
 import org.springframework.boot.test.context.SpringBootTest
 import org.springframework.boot.test.mock.mockito.MockBean
 import org.springframework.context.ApplicationEventPublisher
+import org.springframework.http.HttpHeaders
 import org.springframework.http.HttpMethod
 import org.springframework.http.MediaType
 import org.springframework.mock.web.MockMultipartFile
+import org.springframework.mock.web.MockPart
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
 import org.springframework.security.core.authority.SimpleGrantedAuthority
 import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.authentication
@@ -38,6 +44,7 @@ import org.springframework.test.util.AopTestUtils
 import org.springframework.test.util.ReflectionTestUtils
 import org.springframework.test.web.servlet.MockMvc
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.multipart
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers.header
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.status
 import org.springframework.transaction.annotation.Transactional
@@ -77,9 +84,149 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
         replaceCreatorAdminContentServicePublisher(originalCreatorAdminContentServicePublisher)
     }
 
+    @ParameterizedTest
+    @CsvSource(
+        value = [
+            "text/plain,ko,잘못된 요청입니다.",
+            "text/plain,en,Invalid request.",
+            "text/plain,ja,無効なリクエストです。",
+            "<missing>,ko,잘못된 요청입니다.",
+            "<missing>,en,Invalid request.",
+            "<missing>,ja,無効なリクエストです。"
+        ],
+        nullValues = ["<missing>"]
+    )
+    @DisplayName("수정은 JSON이 아닌 request part를 지역화된 415와 부작용 없음으로 거부한다")
+    fun shouldRejectNonJsonRequestPartBeforeSideEffects(
+        requestContentType: String?,
+        language: String,
+        message: String
+    ) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-update-non-json-${requestContentType ?: "missing"}-$language",
+            name = "v2-audio-update-non-json-${requestContentType ?: "missing"}-$language",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val content = saveAudioContent(character.creatorMember!!, "before update")
+        entityManager.flush()
+
+        mockMvc.perform(
+            multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
+                .file(
+                    MockMultipartFile(
+                        "request",
+                        "request.json",
+                        requestContentType,
+                        "{\"title\":\"after update\"}".toByteArray()
+                    )
+                )
+                .header(HttpHeaders.ACCEPT_LANGUAGE, language)
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isUnsupportedMediaType)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(jsonPath("$.message").value(message))
+            .andExpect(header().string(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE))
+
+        entityManager.clear()
+        assertEquals("before update", entityManager.find(AudioContent::class.java, content.id).title)
+        assertActualCreatorAdminContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "ko,잘못된 요청입니다.",
+        "en,Invalid request.",
+        "ja,無効なリクエストです。"
+    )
+    @DisplayName("수정은 미정의 multipart part를 mutation 전 invalid request로 거부한다")
+    fun shouldRejectUndefinedMultipartPartBeforeSideEffects(language: String, message: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-update-undefined-part-$language",
+            name = "v2-audio-update-undefined-part-$language",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val content = saveAudioContent(character.creatorMember!!, "undefined-part-before")
+        entityManager.flush()
+        Mockito.`when`(audioContentCloudFront.generateSignedURL(Mockito.anyString(), Mockito.anyLong()))
+            .thenReturn("https://test.cloudfront.net/private/undefined-part-before.mp3")
+
+        mockMvc.perform(
+            multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
+                .file(MockMultipartFile("unexpected", "unexpected.txt", "text/plain", byteArrayOf(1)))
+                .file(
+                    MockMultipartFile(
+                        "request",
+                        "request.json",
+                        MediaType.APPLICATION_JSON_VALUE,
+                        """{"title":"should not change"}""".toByteArray()
+                    )
+                )
+                .header(HttpHeaders.ACCEPT_LANGUAGE, language)
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(jsonPath("$.message").value(message))
+
+        entityManager.clear()
+        assertEquals("undefined-part-before", entityManager.find(AudioContent::class.java, content.id).title)
+        assertActualCreatorAdminContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "ko,잘못된 요청입니다.",
+        "en,Invalid request.",
+        "ja,無効なリクエストです。"
+    )
+    @DisplayName("수정은 filename 없는 미정의 multipart part를 mutation 전 invalid request로 거부한다")
+    fun shouldRejectFilenameLessUndefinedMultipartPartBeforeSideEffects(language: String, message: String) {
+        val character = chatCharacterService.createChatCharacterWithDetails(
+            characterUUID = "v2-audio-update-filename-less-part-$language",
+            name = "v2-audio-update-filename-less-part-$language",
+            description = "description",
+            systemPrompt = "prompt"
+        )
+        val content = saveAudioContent(character.creatorMember!!, "filename-less-part-before")
+        entityManager.flush()
+        Mockito.`when`(audioContentCloudFront.generateSignedURL(Mockito.anyString(), Mockito.anyLong()))
+            .thenReturn("https://test.cloudfront.net/private/filename-less-part-before.mp3")
+
+        mockMvc.perform(
+            multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
+                .file(
+                    MockMultipartFile(
+                        "request",
+                        "request.json",
+                        MediaType.APPLICATION_JSON_VALUE,
+                        """{"title":"should not change"}""".toByteArray()
+                    )
+                )
+                .part(MockPart("unexpected", "unexpected".toByteArray()))
+                .header(HttpHeaders.ACCEPT_LANGUAGE, language)
+                .with(adminAuthentication())
+        )
+            .andExpect(status().isBadRequest)
+            .andExpect(jsonPath("$.success").value(false))
+            .andExpect(jsonPath("$.message").value(message))
+
+        entityManager.clear()
+        assertEquals("filename-less-part-before", entityManager.find(AudioContent::class.java, content.id).title)
+        assertActualCreatorAdminContentServicePublisher(applicationEventPublisher)
+        Mockito.verify(amazonS3Client, Mockito.never()).putObject(Mockito.any(PutObjectRequest::class.java))
+        Mockito.verifyNoInteractions(applicationEventPublisher)
+    }
+
     @Test
-    @DisplayName("수정은 동일 seriesIds의 기존 연결 metadata를 보존한다")
-    fun shouldPreserveExistingSeriesContentMetadataForSameSeriesIds() {
+    @DisplayName("수정은 레거시 전체 request를 적용하고 기존 series metadata와 data null 계약을 보존한다")
+    fun shouldApplyLegacyRequestAndPreserveExistingSeriesMetadata() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-update-preserve-series-character",
             name = "v2-audio-update-preserve-series-character",
@@ -103,24 +250,43 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
-                        """{"seriesIds":[${series.id}]}""".toByteArray()
+                        MediaType.APPLICATION_JSON_VALUE,
+                        """
+                        {
+                          "title":"updated title",
+                          "detail":"updated detail",
+                          "tags":"#updated",
+                          "price":250,
+                          "isAdult":true,
+                          "isActive":false,
+                          "isPointAvailable":false,
+                          "isCommentAvailable":false
+                        }
+                        """.trimIndent().toByteArray()
                     )
                 )
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
-            .andExpect(jsonPath("$.data.seriesIds[0]").value(series.id))
+            .andExpect(jsonPath("$.data").value(nullValue()))
 
         val saved = findSeriesContents(content.id!!).single()
         assertEquals(beforeId, saved.id)
         assertEquals(7, saved.orders)
         assertEquals(beforeCreatedAt, saved.createdAt)
+        val updated = entityManager.find(AudioContent::class.java, content.id)
+        assertEquals("updated title", updated.title)
+        assertEquals("updated detail", updated.detail)
+        assertEquals(250, updated.price)
+        assertEquals(true, updated.isAdult)
+        assertEquals(false, updated.isActive)
+        assertEquals(false, updated.isPointAvailable)
+        assertEquals(false, updated.isCommentAvailable)
     }
 
     @Test
-    @DisplayName("수정은 seriesIds 교집합 metadata를 보존하고 차집합만 추가·제거한다")
-    fun shouldOnlyInsertAndDeleteSeriesContentDifference() {
+    @DisplayName("레거시 수정은 기존 series 연결을 추가·제거하지 않는다")
+    fun shouldLeaveSeriesConnectionsUnchanged() {
         val character = chatCharacterService.createChatCharacterWithDetails(
             characterUUID = "v2-audio-update-diff-series-character",
             name = "v2-audio-update-diff-series-character",
@@ -147,21 +313,22 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
-                        """{"seriesIds":[${keptSeries.id},${addedSeries.id}]}""".toByteArray()
+                        MediaType.APPLICATION_JSON_VALUE,
+                        """{"title":"diff updated title"}""".toByteArray()
                     )
                 )
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
-            .andExpect(jsonPath("$.data.seriesIds.length()").value(2))
+            .andExpect(jsonPath("$.data").value(nullValue()))
 
         val saved = findSeriesContents(content.id!!)
-        assertEquals(setOf(keptSeries.id, addedSeries.id), saved.map { it.series!!.id }.toSet())
+        assertEquals(setOf(removedSeries.id, keptSeries.id), saved.map { it.series!!.id }.toSet())
         val kept = saved.single { it.series!!.id == keptSeries.id }
         assertEquals(keptId, kept.id)
         assertEquals(5, kept.orders)
         assertEquals(keptCreatedAt, kept.createdAt)
+        assertEquals(false, saved.any { it.series!!.id == addedSeries.id })
     }
 
     @Test
@@ -181,7 +348,7 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
 
         mockMvc.perform(
             multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
-                .file(MockMultipartFile("request", "request.json", MediaType.TEXT_PLAIN_VALUE, "{}".toByteArray()))
+                .file(MockMultipartFile("request", "request.json", MediaType.APPLICATION_JSON_VALUE, "{}".toByteArray()))
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
@@ -193,7 +360,7 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
         mockMvc.perform(
             multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
                 .file(MockMultipartFile("coverImage", "cover.png", "image/png", byteArrayOf(1)))
-                .file(MockMultipartFile("request", "request.json", MediaType.TEXT_PLAIN_VALUE, "{}".toByteArray()))
+                .file(MockMultipartFile("request", "request.json", MediaType.APPLICATION_JSON_VALUE, "{}".toByteArray()))
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
@@ -221,7 +388,7 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
         mockMvc.perform(
             multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
                 .file(MockMultipartFile("coverImage", "empty.png", "image/png", byteArrayOf()))
-                .file(MockMultipartFile("request", "request.json", MediaType.TEXT_PLAIN_VALUE, "{}".toByteArray()))
+                .file(MockMultipartFile("request", "request.json", MediaType.APPLICATION_JSON_VALUE, "{}".toByteArray()))
                 .with(adminAuthentication())
         )
             .andExpect(status().isOk)
@@ -232,27 +399,28 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
         Mockito.verifyNoInteractions(applicationEventPublisher)
     }
 
-    @Test
-    @DisplayName("수정은 빈 audioFile part도 교체 요청으로 거부한다")
-    fun shouldRejectEmptyAudioFileUpdate() {
+    @ParameterizedTest
+    @ValueSource(strings = ["audioFile", "contentFile"])
+    @DisplayName("수정은 파일 교체 part를 mutation 전 invalid request로 거부한다")
+    fun shouldRejectFileReplacementPartBeforeSideEffects(filePart: String) {
         val character = chatCharacterService.createChatCharacterWithDetails(
-            characterUUID = "v2-audio-update-empty-audio-character",
-            name = "v2-audio-update-empty-audio-character",
+            characterUUID = "v2-audio-update-file-replacement-$filePart",
+            name = "v2-audio-update-file-replacement-$filePart",
             description = "description",
             systemPrompt = "prompt"
         )
-        val content = saveAudioContent(character.creatorMember!!, "empty-audio-update-content")
+        val content = saveAudioContent(character.creatorMember!!, "file-replacement-$filePart")
         val oldTitle = content.title
         entityManager.flush()
 
         mockMvc.perform(
             multipart(HttpMethod.PUT, "/api/v2/admin/ai-characters/${character.id}/audio-contents/${content.id}")
-                .file(MockMultipartFile("audioFile", "empty.mp3", "audio/mpeg", byteArrayOf()))
+                .file(MockMultipartFile(filePart, "empty.mp3", "audio/mpeg", byteArrayOf()))
                 .file(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"title":"should not change"}""".toByteArray()
                     )
                 )
@@ -290,7 +458,7 @@ class AiCharacterAdminAudioContentUpdateTest @Autowired constructor(
                     MockMultipartFile(
                         "request",
                         "request.json",
-                        MediaType.TEXT_PLAIN_VALUE,
+                        MediaType.APPLICATION_JSON_VALUE,
                         """{"title":"cover failure after title"}""".toByteArray()
                     )
                 )