feat(original-app): 원작 리스트

- 페이징 추가

src/main/kotlin/kr/co/vividnext/sodalive/chat/original/OriginalWorkRepository.kt

@@ -33,13 +33,13 @@ interface OriginalWorkRepository : JpaRepository<OriginalWork, Long> {
     ): List<OriginalWork>
 
     /**
-     * 앱용 원작 목록 조회
+     * 앱용 원작 목록 조회 (페이징)
      * - 소프트 삭제 제외
      * - includeAdult=false이면 19금 제외
      * - 활성 캐릭터가 하나라도 연결된 원작만 조회
      */
     @Query(
-        """
+        value = """
         SELECT ow FROM OriginalWork ow
         WHERE ow.isDeleted = false
           AND (:includeAdult = true OR ow.isAdult = false)
@@ -48,7 +48,16 @@ interface OriginalWorkRepository : JpaRepository<OriginalWork, Long> {
             WHERE c.originalWork = ow AND c.isActive = true
           )
         ORDER BY ow.createdAt DESC
+        """,
+        countQuery = """
+        SELECT COUNT(ow) FROM OriginalWork ow
+        WHERE ow.isDeleted = false
+          AND (:includeAdult = true OR ow.isAdult = false)
+          AND EXISTS (
+            SELECT 1 FROM ChatCharacter c
+            WHERE c.originalWork = ow AND c.isActive = true
+          )
         """
     )
-    fun findAllForApp(@Param("includeAdult") includeAdult: Boolean): List<OriginalWork>
+    fun findAllForAppPage(@Param("includeAdult") includeAdult: Boolean, pageable: Pageable): Page<OriginalWork>
 }

src/main/kotlin/kr/co/vividnext/sodalive/chat/original/controller/OriginalWorkController.kt

@@ -31,20 +31,23 @@ class OriginalWorkController(
 ) {
 
     /**
-     * 원작 목록
+     * 원작 목록 (페이징)
      * - 로그인 불필요
      * - 본인인증하지 않은 경우 19금 제외
      * - 활성 캐릭터가 하나라도 연결된 원작만 노출
+     * - 요청: page(기본 0), size(기본 20)
      * - 반환: totalCount + [imageUrl, title, contentType]
      */
     @GetMapping("/list")
     fun list(
+        @RequestParam(defaultValue = "0") page: Int,
+        @RequestParam(defaultValue = "20") size: Int,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         val includeAdult = member?.auth != null
-        val list = queryService.listForApp(includeAdult)
-        val content = list.map { OriginalWorkListItemResponse.from(it, imageHost) }
-        ApiResponse.ok(OriginalWorkListResponse(totalCount = content.size.toLong(), content = content))
+        val pageRes = queryService.listForAppPage(includeAdult, page, size)
+        val content = pageRes.content.map { OriginalWorkListItemResponse.from(it, imageHost) }
+        ApiResponse.ok(OriginalWorkListResponse(totalCount = pageRes.totalElements, content = content))
     }
 
     /**

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

@@ -21,12 +21,21 @@ class OriginalWorkQueryService(
     private val chatCharacterRepository: ChatCharacterRepository
 ) {
     /**
-     * 앱용 원작 목록 조회
+     * 앱용 원작 목록 조회 (페이징)
      * @param includeAdult true면 19금 포함, false면 제외
+     * @param page 페이지 번호(0부터)
+     * @param size 페이지 크기(기본 20, 최대 50)
      */
     @Transactional(readOnly = true)
-    fun listForApp(includeAdult: Boolean): List<OriginalWork> {
-        return originalWorkRepository.findAllForApp(includeAdult)
+    fun listForAppPage(includeAdult: Boolean, page: Int = 0, size: Int = 20): Page<OriginalWork> {
+        val safePage = if (page < 0) 0 else page
+        val safeSize = when {
+            size <= 0 -> 20
+            size > 50 -> 50
+            else -> size
+        }
+        val pageable = PageRequest.of(safePage, safeSize, Sort.by("createdAt").descending())
+        return originalWorkRepository.findAllForAppPage(includeAdult, pageable)
     }
 
     /**