feat(recommend): 첫 오디오 콘텐츠 가격을 조회한다

src/test/kotlin/kr/co/vividnext/sodalive/v2/recommend/adapter/out/persistence/DefaultHomeRecommendationQueryRepositoryTest.kt

@@ -1042,7 +1042,7 @@ class DefaultHomeRecommendationQueryRepositoryTest @Autowired constructor(
         val excludedCreator = saveMember("first-audio-excluded", MemberRole.CREATOR)
         val eligibleInactive1 = saveAudioContent(eligibleCreator, now.minusDays(10), isActive = false)
         val eligibleInactive2 = saveAudioContent(eligibleCreator, now.minusDays(9), isActive = false)
-        val eligibleActive = saveAudioContent(eligibleCreator, now.minusDays(2), isActive = true)
+        val eligibleActive = saveAudioContent(eligibleCreator, now.minusDays(2), isActive = true, price = 12)
         val excludedInactive1 = saveAudioContent(excludedCreator, now.minusDays(10), isActive = false)
         val excludedInactive2 = saveAudioContent(excludedCreator, now.minusDays(9), isActive = false)
         val excludedInactive3 = saveAudioContent(excludedCreator, now.minusDays(8), isActive = false)
@@ -1062,6 +1062,7 @@ class DefaultHomeRecommendationQueryRepositoryTest @Autowired constructor(
 
         assertEquals(listOf(eligibleActive.id), contents.map { it.contentId })
         assertEquals(100, contents.single().recencyScore)
+        assertEquals(12, contents.single().price)
     }
 
     @Test
@@ -1719,14 +1720,16 @@ class DefaultHomeRecommendationQueryRepositoryTest @Autowired constructor(
         isActive: Boolean,
         themeName: String = "theme-${creator.nickname}-$releaseDate",
         theme: AudioContentTheme = saveTheme(themeName),
-        isAdult: Boolean = false
+        isAdult: Boolean = false,
+        price: Int = 0
     ): AudioContent {
         val content = AudioContent(
             title = "content-${creator.nickname}-$releaseDate",
             detail = "detail",
             languageCode = "ko",
             releaseDate = releaseDate,
-            isAdult = isAdult
+            isAdult = isAdult,
+            price = price
         )
         content.member = creator
         content.theme = theme

src/test/kotlin/kr/co/vividnext/sodalive/v2/recommend/application/HomeRecommendationQueryServiceTest.kt

@@ -509,6 +509,7 @@ class HomeRecommendationQueryServiceTest {
                 creatorNickname = "debut-creator",
                 creatorProfileImage = "debut-profile.png",
                 title = "first-audio",
+                price = 10,
                 coverImage = "first-audio.png",
                 releaseDate = LocalDateTime.of(2026, 5, 30, 10, 0),
                 isPointAvailable = true,