feat(creator): 라이브 탭 화면을 연결한다

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

@@ -330,7 +330,7 @@ class CreatorChannelActivitySourceTest {
     }
 
     @Test
-    fun `pager adapter source는 7개 탭 순서와 홈 placeholder Fragment를 연결한다`() {
+    fun `pager adapter source는 홈과 라이브를 실제 Fragment로 연결하고 후속 탭은 placeholder로 유지한다`() {
         val adapter = projectFile(
             "app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/CreatorChannelPagerAdapter.kt"
         ).readText()
@@ -346,6 +346,7 @@ class CreatorChannelActivitySourceTest {
         assertTrue(adapter.contains("private val tabs: List<CreatorChannelTab> = CreatorChannelTab.entries"))
         assertTrue(adapter.contains("override fun getItemCount(): Int = tabs.size"))
         assertTrue(adapter.contains("CreatorChannelTab.Home -> CreatorChannelHomeFragment.newInstance(creatorId)"))
+        assertTrue(adapter.contains("CreatorChannelTab.Live -> CreatorChannelLiveFragment.newInstance(creatorId)"))
         assertTrue(adapter.contains("else -> CreatorChannelPlaceholderFragment.newInstance(tab)"))
         assertTrue(placeholder.contains("private const val ARG_TAB_NAME"))
         assertTrue(placeholder.contains("fun newInstance(tab: CreatorChannelTab): CreatorChannelPlaceholderFragment"))
@@ -368,7 +369,6 @@ class CreatorChannelActivitySourceTest {
         assertTrue(source.contains("tab.text = getString(CreatorChannelTab.entries[position].labelResId)"))
         assertTrue(source.contains(".attach()"))
         assertTrue(source.contains("binding.viewPager.isUserInputEnabled = true"))
-        assertTrue(source.contains("binding.viewPager.offscreenPageLimit = CreatorChannelTab.entries.size - 1"))
         assertTrue(source.contains("binding.viewPager.registerOnPageChangeCallback(callback)"))
         assertTrue(source.contains("override fun onDestroy()"))
         assertTrue(source.contains("tabLayoutMediator?.detach()"))
@@ -377,6 +377,7 @@ class CreatorChannelActivitySourceTest {
         assertTrue(source.contains("findViewByPosition(binding.viewPager.currentItem)"))
         assertTrue(source.contains("currentPage.measure(widthSpec, heightSpec)"))
         assertTrue(source.contains("binding.viewPager.updateLayoutParams"))
+        assertTrue(source.contains("binding.viewPager.offscreenPageLimit = CreatorChannelTab.entries.size - 1"))
         assertFalse(source.contains("binding.tabLayout.addTab"))
         assertFalse(source.contains("private fun createTabView"))
     }
@@ -391,7 +392,6 @@ class CreatorChannelActivitySourceTest {
         assertFalse(source.contains("setOnClickListener { onTabClicked(tab) }"))
         assertFalse(source.contains("private fun onTabClicked(tab: CreatorChannelTab)"))
         assertFalse(source.contains("if (tab != CreatorChannelTab.Home) return"))
-        assertFalse(source.contains("CreatorChannelTab.Live ->"))
         assertFalse(source.contains("CreatorChannelTab.Audio ->"))
         assertFalse(source.contains("CreatorChannelTab.Series ->"))
         assertFalse(source.contains("CreatorChannelTab.Community ->"))
@@ -913,6 +913,55 @@ class CreatorChannelActivitySourceTest {
         assertEquals("2026.06.30 00:00:01", formatCreatorChannelLiveDateTime("2026-06-29T15:00:01Z", timeZone, locale))
     }
 
+    @Test
+    fun `라이브 탭 pagination과 높이 갱신은 NestedScrollView 소유 스크롤 경로에서 처리한다`() {
+        val source = projectFile(
+            "app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/CreatorChannelActivity.kt"
+        ).readText()
+        val fragment = projectFile(
+            "app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/live/CreatorChannelLiveFragment.kt"
+        ).readText()
+
+        assertTrue(source.contains("private fun onCreatorChannelNestedScrollChanged(scrollY: Int, oldScrollY: Int)"))
+        assertTrue(source.contains("binding.nestedScrollView.getChildAt(0)?.height"))
+        assertTrue(source.contains("binding.nestedScrollView.height"))
+        assertTrue(source.contains("CREATOR_CHANNEL_LIVE_LOAD_MORE_THRESHOLD_DP.dpToPx().toInt()"))
+        assertTrue(source.contains("findLiveFragment()?.onCreatorChannelLiveScrolledToBottom()"))
+        assertTrue(source.contains("private fun findLiveFragment(): CreatorChannelLiveFragment?"))
+        assertTrue(source.contains("supportFragmentManager.findFragmentByTag"))
+        assertTrue(source.contains("override fun onCreatorChannelLiveContentChanged()"))
+        assertTrue(source.contains("postCheckCreatorChannelLiveNeedsMore()"))
+        assertTrue(source.contains("updateViewPagerHeight()"))
+        assertTrue(source.contains("if (position == CreatorChannelTab.Live.ordinal)"))
+        assertTrue(source.contains("findLiveFragment()?.onCreatorChannelLiveTabSelected()"))
+        assertTrue(source.contains("binding.viewPager.offscreenPageLimit = CreatorChannelTab.entries.size - 1"))
+        assertTrue(source.contains("currentPage.minimumHeight = calculateCreatorChannelTabViewportHeight()"))
+        assertTrue(source.contains("private fun calculateCreatorChannelTabViewportHeight(): Int"))
+        assertTrue(fragment.contains("fun onCreatorChannelLiveScrolledToBottom()"))
+        assertTrue(fragment.contains("fun onCreatorChannelLiveTabSelected()"))
+        assertTrue(fragment.contains("fun onCreatorChannelLiveContentChanged()"))
+    }
+
+    @Test
+    fun `라이브 content 변경은 현재 scroll bottom 조건을 재평가한다`() {
+        val source = projectFile(
+            "app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/CreatorChannelActivity.kt"
+        ).readText()
+
+        assertTrue(source.contains("private fun postCheckCreatorChannelLiveNeedsMore()"))
+        assertTrue(source.contains("binding.nestedScrollView.post"))
+        assertTrue(source.contains("checkCreatorChannelLiveNeedsMore()"))
+        assertTrue(source.contains("if (binding.viewPager.currentItem != CreatorChannelTab.Live.ordinal) return"))
+        assertTrue(source.contains("findLiveFragment()?.onCreatorChannelLiveScrolledToBottom()"))
+    }
+
+    @Test
+    fun `라이브 pagination remaining scroll helper는 content viewport scroll 차이를 계산한다`() {
+        assertEquals(100, calculateCreatorChannelLiveRemainingScroll(contentHeight = 1000, viewportHeight = 700, scrollY = 200))
+        assertEquals(0, calculateCreatorChannelLiveRemainingScroll(contentHeight = 1000, viewportHeight = 700, scrollY = 300))
+        assertEquals(-20, calculateCreatorChannelLiveRemainingScroll(contentHeight = 1000, viewportHeight = 700, scrollY = 320))
+    }
+
     @Test
     fun `owner FAB 라이브 생성 결과는 기존 enterLiveRoom 플로우로 입장한다`() {
         val source = projectFile(
@@ -1144,7 +1193,8 @@ class CreatorChannelActivitySourceTest {
         assertTrue(fragment.contains("host.onCreatorChannelAudioContentClicked(audioContent)"))
         assertTrue(source.contains("private fun onAudioContentClicked(audioContent: CreatorChannelAudioContentResponse)"))
         assertTrue(source.contains("AudioContentDetailActivity::class.java"))
-        assertTrue(source.contains("putExtra(Constants.EXTRA_AUDIO_CONTENT_ID, audioContent.audioContentId)"))
+        assertTrue(source.contains("startAudioContentDetail(audioContent.audioContentId)"))
+        assertTrue(source.contains("putExtra(Constants.EXTRA_AUDIO_CONTENT_ID, audioContentId)"))
     }
 
     @Test