feat(widget): 라이브 썸네일 컴포넌트를 추가한다

app/src/test/java/kr/co/vividnext/sodalive/v2/widget/livethumbnail/LiveThumbnailItemTest.kt

@@ -0,0 +1,37 @@
+package kr.co.vividnext.sodalive.v2.widget.livethumbnail
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class LiveThumbnailItemTest {
+
+    @Test
+    fun `item keeps title creator and live start time text`() {
+        val item = LiveThumbnailItem(
+            liveId = 10L,
+            creatorId = 20L,
+            imageUrl = "https://example.com/profile.png",
+            title = "라이브 제목",
+            creatorName = "크리에이터이름",
+            liveStartTimeText = "00:30"
+        )
+
+        assertEquals("라이브 제목", item.title)
+        assertEquals("크리에이터이름", item.creatorName)
+        assertEquals("00:30", item.liveStartTimeText)
+    }
+
+    @Test
+    fun `blank live start time remains blank`() {
+        val item = LiveThumbnailItem(
+            liveId = 10L,
+            creatorId = 20L,
+            imageUrl = "https://example.com/profile.png",
+            title = "라이브 제목",
+            creatorName = "크리에이터이름",
+            liveStartTimeText = ""
+        )
+
+        assertEquals("", item.liveStartTimeText)
+    }
+}

app/src/test/java/kr/co/vividnext/sodalive/v2/widget/livethumbnail/LiveThumbnailSizeTest.kt

@@ -0,0 +1,29 @@
+package kr.co.vividnext.sodalive.v2.widget.livethumbnail
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class LiveThumbnailSizeTest {
+
+    @Test
+    fun `simple variant uses figma base size`() {
+        val size = LiveThumbnailSize.from(LiveThumbnailVariant.Simple)
+
+        assertEquals(70, size.rootWidthDp)
+        assertEquals(null, size.rootHeightDp)
+        assertEquals(76, size.profileAreaHeightDp)
+        assertEquals(58, size.imageSizeDp)
+        assertEquals(70, size.textWidthDp)
+    }
+
+    @Test
+    fun `detail variant uses figma base size`() {
+        val size = LiveThumbnailSize.from(LiveThumbnailVariant.Detail)
+
+        assertEquals(266, size.rootWidthDp)
+        assertEquals(99, size.rootHeightDp)
+        assertEquals(null, size.profileAreaHeightDp)
+        assertEquals(75, size.imageSizeDp)
+        assertEquals(149, size.textWidthDp)
+    }
+}