feat(creator-channel): 홈 조회 언어를 전달한다

src/test/kotlin/kr/co/vividnext/sodalive/v2/creator/channel/home/application/CreatorChannelHomeQueryServiceTest.kt

@@ -101,6 +101,25 @@ class CreatorChannelHomeQueryServiceTest {
         assertEquals(false, port.currentLiveCanViewAdultContent)
         assertEquals(false, port.schedulesCanViewAdultContent)
         assertEquals(201L, port.audioContentsLatestAudioContentId)
+        assertEquals("ko", port.latestAudioLocale)
+        assertEquals("ko", port.audioContentsLocale)
+        assertEquals("ko", port.schedulesLocale)
+        assertEquals("ko", port.seriesLocale)
+    }
+
+    @Test
+    @DisplayName("홈 서비스는 요청 locale을 오디오, 스케줄, 시리즈 조회에 전달한다")
+    fun shouldPassLocaleToHomeQueries() {
+        val port = FakeCreatorChannelHomeQueryPort()
+        val service = createService(port, lang = Lang.JA)
+        val viewer = createMember(id = 10L)
+
+        service.getHome(creatorId = 1L, viewer = viewer, now = LocalDateTime.of(2026, 6, 13, 10, 0))
+
+        assertEquals("ja", port.latestAudioLocale)
+        assertEquals("ja", port.audioContentsLocale)
+        assertEquals("ja", port.schedulesLocale)
+        assertEquals("ja", port.seriesLocale)
     }
 
     @Test
@@ -468,11 +487,12 @@ class CreatorChannelHomeQueryServiceTest {
         port: FakeCreatorChannelHomeQueryPort,
         communityPort: FakeCreatorChannelCommunityQueryPort = FakeCreatorChannelCommunityQueryPort(),
         canViewAdultContent: Boolean = true,
-        preferenceService: MemberContentPreferenceService = createPreferenceService(canViewAdultContent)
+        preferenceService: MemberContentPreferenceService = createPreferenceService(canViewAdultContent),
+        lang: Lang = Lang.KO
     ): CreatorChannelHomeQueryService {
         val messageSource = SodaMessageSource()
         val langContext = LangContext()
-        langContext.setLang(Lang.KO)
+        langContext.setLang(lang)
         val audioContentCloudFront = Mockito.mock(AudioContentCloudFront::class.java)
         Mockito.`when`(audioContentCloudFront.generateSignedURL(Mockito.anyString(), Mockito.anyLong()))
             .thenAnswer { invocation -> "https://signed.test/${invocation.getArgument<String>(0)}" }
@@ -565,6 +585,10 @@ private class FakeCreatorChannelHomeQueryPort : CreatorChannelHomeQueryPort {
     var schedulesEffectiveViewerGender: Gender? = null
     var schedulesCanViewAdultContent: Boolean? = null
     var audioContentsLatestAudioContentId: Long? = null
+    var latestAudioLocale: String? = null
+    var schedulesLocale: String? = null
+    var audioContentsLocale: String? = null
+    var seriesLocale: String? = null
     var channelDonationNickname: String = "fan"
 
     override fun findCreator(creatorId: Long, viewerId: Long?): CreatorChannelCreatorRecord? = creator
@@ -597,8 +621,12 @@ private class FakeCreatorChannelHomeQueryPort : CreatorChannelHomeQueryPort {
         creatorId: Long,
         now: LocalDateTime,
         canViewAdultContent: Boolean,
-        viewerId: Long?
-    ): CreatorChannelAudioContentRecord? = audioContentRecord(201L, "audio/latest.png")
+        viewerId: Long?,
+        locale: String
+    ): CreatorChannelAudioContentRecord? {
+        latestAudioLocale = locale
+        return audioContentRecord(201L, "audio/latest.png")
+    }
 
     override fun findChannelDonations(
         creatorId: Long,
@@ -622,12 +650,14 @@ private class FakeCreatorChannelHomeQueryPort : CreatorChannelHomeQueryPort {
         viewerId: Long?,
         isViewerCreator: Boolean,
         effectiveViewerGender: Gender?,
+        locale: String,
         limit: Int
     ): List<CreatorChannelScheduleRecord> {
         schedulesViewerId = viewerId
         schedulesIsViewerCreator = isViewerCreator
         schedulesEffectiveViewerGender = effectiveViewerGender
         schedulesCanViewAdultContent = canViewAdultContent
+        schedulesLocale = locale
         return listOf(
             scheduleRecord(401L, LocalDateTime.of(2026, 6, 13, 12, 0), CreatorActivityType.AUDIO, false),
             scheduleRecord(402L, LocalDateTime.of(2026, 6, 13, 12, 0), CreatorActivityType.LIVE, false),
@@ -644,9 +674,11 @@ private class FakeCreatorChannelHomeQueryPort : CreatorChannelHomeQueryPort {
         latestAudioContentId: Long?,
         canViewAdultContent: Boolean,
         viewerId: Long?,
+        locale: String,
         limit: Int
     ): List<CreatorChannelAudioContentRecord> {
         audioContentsLatestAudioContentId = latestAudioContentId
+        audioContentsLocale = locale
         return listOf(
             audioContentRecord(201L, "audio/latest.png"),
             audioContentRecord(203L, "audio/203.png"),
@@ -660,17 +692,21 @@ private class FakeCreatorChannelHomeQueryPort : CreatorChannelHomeQueryPort {
         now: LocalDateTime,
         canViewAdultContent: Boolean,
         contentType: ContentType,
+        locale: String,
         limit: Int
-    ): List<CreatorChannelSeriesRecord> = listOf(
-        CreatorChannelSeriesRecord(
-            seriesId = 501L,
-            title = "series",
-            coverImagePath = "series.png",
-            numberOfContent = 2,
-            isNew = true,
-            isOriginal = false
+    ): List<CreatorChannelSeriesRecord> {
+        seriesLocale = locale
+        return listOf(
+            CreatorChannelSeriesRecord(
+                seriesId = 501L,
+                title = "series",
+                coverImagePath = "series.png",
+                numberOfContent = 2,
+                isNew = true,
+                isOriginal = false
+            )
         )
-    )
+    }
 
     override fun findFanTalkSummary(creatorId: Long, viewerId: Long?): CreatorChannelFanTalkSummaryRecord {
         return CreatorChannelFanTalkSummaryRecord(