feat(home): AI 캐릭터 섹션 간격을 정리한다

app/src/main/java/kr/co/vividnext/sodalive/v2/main/home/ui/HomeAiCharacterAdapter.kt

@@ -23,7 +23,8 @@ class HomeAiCharacterAdapter : RecyclerView.Adapter<HomeAiCharacterAdapter.Chara
             parent,
             false
         ) as CharacterChatThumbnailView
-        view.layoutParams = recyclerItemLayoutParams(parent)
+        (view.layoutParams as ViewGroup.MarginLayoutParams).marginEnd =
+            parent.resources.getDimensionPixelSize(R.dimen.spacing_4)
         return CharacterViewHolder(view)
     }
 

app/src/main/res/layout/fragment_v2_main_home.xml

@@ -154,7 +154,7 @@
                     android:layout_height="wrap_content"
                     android:layout_marginTop="@dimen/spacing_14"
                     android:orientation="horizontal"
-                    android:paddingHorizontal="@dimen/spacing_20"
+                    android:paddingHorizontal="@dimen/spacing_14"
                     app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
             </LinearLayout>
 

app/src/test/java/kr/co/vividnext/sodalive/v2/main/home/HomeMainFragmentLayoutTest.kt

@@ -17,6 +17,7 @@ import androidx.test.core.app.ApplicationProvider
 import kr.co.vividnext.sodalive.R
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationFirstAudioContentUiModel
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationLiveUiModel
+import kr.co.vividnext.sodalive.v2.main.home.ui.HomeAiCharacterAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFirstAudioAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeLiveAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeRecentDebutCreatorAdapter
@@ -183,6 +184,41 @@ class HomeMainFragmentLayoutTest {
         assertEquals(4.dpToPx(), layoutParams.marginEnd)
     }
 
+    @Test
+    fun `character chat thumbnail preserves figma root dimensions`() {
+        val thumbnail = inflateViewWithParent(R.layout.view_character_chat_thumbnail)
+
+        assertEquals(185.dpToPx(), thumbnail.layoutParams.width)
+        assertEquals(ViewGroup.LayoutParams.WRAP_CONTENT, thumbnail.layoutParams.height)
+    }
+
+    @Test
+    fun `home ai character section matches figma list spacing`() {
+        val root = inflateView(R.layout.fragment_v2_main_home)
+        val characterList = root.findViewById<RecyclerView>(R.id.rv_home_ai_characters)
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val parent = RecyclerView(context)
+        parent.layoutManager = LinearLayoutManager(context, RecyclerView.HORIZONTAL, false)
+        val viewHolder = HomeAiCharacterAdapter().onCreateViewHolder(parent, 0)
+        val layoutParams = viewHolder.itemView.layoutParams as ViewGroup.MarginLayoutParams
+
+        assertEquals(14.dpToPx(), characterList.paddingStart)
+        assertEquals(14.dpToPx(), characterList.paddingEnd)
+        assertEquals(14.dpToPx(), (characterList.layoutParams as ViewGroup.MarginLayoutParams).topMargin)
+        assertEquals(4.dpToPx(), layoutParams.marginEnd)
+    }
+
+    @Test
+    fun `home ai character adapter preserves layout defined item dimensions`() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val parent = RecyclerView(context)
+        parent.layoutManager = LinearLayoutManager(context, RecyclerView.HORIZONTAL, false)
+        val viewHolder = HomeAiCharacterAdapter().onCreateViewHolder(parent, 0)
+
+        assertEquals(185.dpToPx(), viewHolder.itemView.layoutParams.width)
+        assertEquals(ViewGroup.LayoutParams.WRAP_CONTENT, viewHolder.itemView.layoutParams.height)
+    }
+
     @Test
     fun `first audio adapter clips thumbnail container`() {
         val context = ApplicationProvider.getApplicationContext<Context>()