fix(creator): 라이브 더보기 상태 보존을 보정한다

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/live/CreatorChannelLiveViewModel.kt

@@ -58,8 +58,11 @@ class CreatorChannelLiveViewModel(
             val data = response.data
             val current = _liveStateLiveData.value as? CreatorChannelLiveUiState.Content ?: content
             if (response.success && data != null) {
-                _liveStateLiveData.value = data.toContentState(
+                _liveStateLiveData.value = current.copy(
                     liveReplayContents = current.liveReplayContents + data.liveReplayContents,
+                    page = data.page,
+                    size = data.size,
+                    hasNext = data.hasNext,
                     isLoadingMore = false
                 )
             } else {
@@ -71,6 +74,13 @@ class CreatorChannelLiveViewModel(
         }
     }
 
+    fun consumePaginationErrorMessage() {
+        val content = _liveStateLiveData.value as? CreatorChannelLiveUiState.Content ?: return
+        if (content.paginationErrorMessage == null) return
+
+        _liveStateLiveData.value = content.copy(paginationErrorMessage = null)
+    }
+
     private fun loadFirstPage(sort: ContentSort) {
         val generation = ++requestGeneration
         _liveStateLiveData.value = CreatorChannelLiveUiState.Loading

app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/live/CreatorChannelLivePaginationTest.kt

@@ -15,6 +15,7 @@ import kr.co.vividnext.sodalive.common.ApiResponse
 import kr.co.vividnext.sodalive.common.SharedPreferenceManager
 import kr.co.vividnext.sodalive.v2.common.data.ContentSort
 import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelAudioContentResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelLiveResponse
 import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelRepository
 import kr.co.vividnext.sodalive.v2.creator.channel.live.data.CreatorChannelLiveTabResponse
 import org.junit.After
@@ -76,6 +77,62 @@ class CreatorChannelLivePaginationTest {
         verifyGetLive(page = 1)
     }
 
+    @Test
+    fun `다음 페이지 성공은 첫 페이지 현재 라이브 count sort를 보존하고 page와 hasNext만 갱신한다`() {
+        val currentLive = CreatorChannelLiveResponse(
+            liveId = 10L,
+            title = "현재 라이브",
+            coverImageUrl = null,
+            beginDateTimeUtc = "2026-06-17T01:00:00Z",
+            price = 100,
+            isAdult = false
+        )
+        stubGetLive(
+            page = 0,
+            response = Single.just(
+                ApiResponse(
+                    true,
+                    liveResponse(
+                        page = 0,
+                        ids = listOf(1L),
+                        hasNext = true,
+                        liveReplayContentCount = 99,
+                        currentLive = currentLive
+                    ),
+                    null
+                )
+            )
+        )
+        stubGetLive(
+            page = 1,
+            response = Single.just(
+                ApiResponse(
+                    true,
+                    liveResponse(
+                        page = 1,
+                        sort = ContentSort.POPULAR,
+                        ids = listOf(2L),
+                        hasNext = false,
+                        liveReplayContentCount = 1,
+                        currentLive = null
+                    ),
+                    null
+                )
+            )
+        )
+        viewModel.loadLive(100L)
+
+        viewModel.loadMore()
+
+        val state = viewModel.liveStateLiveData.requireValue() as CreatorChannelLiveUiState.Content
+        assertEquals(currentLive, state.currentLive)
+        assertEquals(99, state.liveReplayContentCount)
+        assertEquals(ContentSort.LATEST, state.selectedSort)
+        assertEquals(1, state.page)
+        assertEquals(listOf(1L, 2L), state.liveReplayContents.map { it.audioContentId })
+        assertFalse(state.hasNext)
+    }
+
     @Test
     fun `다음 페이지 로딩 중 중복 load-more 요청은 막는다`() {
         val pending = SingleSubject.create<ApiResponse<CreatorChannelLiveTabResponse>>()
@@ -114,6 +171,27 @@ class CreatorChannelLivePaginationTest {
         assertEquals("failed", state.paginationErrorMessage)
     }
 
+    @Test
+    fun `pagination error message는 표시 후 clear되어 다시 표시되지 않는다`() {
+        stubGetLive(
+            page = 0,
+            response = Single.just(ApiResponse(true, liveResponse(page = 0, ids = listOf(1L), hasNext = true), null))
+        )
+        stubGetLive(page = 1, response = Single.just(ApiResponse(false, null, "failed")))
+        viewModel.loadLive(100L)
+        viewModel.loadMore()
+
+        val state = viewModel.liveStateLiveData.requireValue() as CreatorChannelLiveUiState.Content
+
+        assertEquals("failed", state.paginationErrorMessage)
+
+        viewModel.consumePaginationErrorMessage()
+
+        val consumedState = viewModel.liveStateLiveData.requireValue() as CreatorChannelLiveUiState.Content
+        assertEquals(null, consumedState.paginationErrorMessage)
+        assertEquals(listOf(1L), consumedState.liveReplayContents.map { it.audioContentId })
+    }
+
     @Test
     fun `이전 load-more 응답은 이후 정렬 변경 목록에 append되지 않는다`() {
         val nextPagePending = SingleSubject.create<ApiResponse<CreatorChannelLiveTabResponse>>()
@@ -186,10 +264,12 @@ class CreatorChannelLivePaginationTest {
         page: Int,
         sort: ContentSort = ContentSort.LATEST,
         ids: List<Long>,
-        hasNext: Boolean
+        hasNext: Boolean,
+        liveReplayContentCount: Int = ids.size,
+        currentLive: CreatorChannelLiveResponse? = null
     ) = CreatorChannelLiveTabResponse(
-        liveReplayContentCount = ids.size,
+        liveReplayContentCount = liveReplayContentCount,
-        currentLive = null,
+        currentLive = currentLive,
         liveReplayContents = ids.map { audioContent(it) },
         sort = sort,
         page = page,