feat(content-preference): 성인 콘텐츠 조회 메서드를 추가한다

src/test/kotlin/kr/co/vividnext/sodalive/member/contentpreference/MemberContentPreferenceServiceTest.kt

@@ -449,6 +449,23 @@ class MemberContentPreferenceServiceTest {
         assertTrue(service.calculateIsAdultForQuery(noAuthMember, "US", true))
     }
 
+    @Test
+    @DisplayName("성인 콘텐츠 조회 가능 여부는 저장 preference의 조회용 성인 정책 결과를 반환한다")
+    fun shouldReturnStoredPreferenceAdultPolicyForCanViewAdultContent() {
+        val member = createMember(id = 2200L)
+        val preference = MemberContentPreference(
+            isAdultContentVisible = true,
+            contentType = ContentType.ALL,
+            adultContentVisibilityChangedAt = LocalDateTime.now().minusDays(1),
+            contentTypeChangedAt = LocalDateTime.now().minusDays(1)
+        )
+        preference.member = member
+        countryContext.setCountryCode("KR")
+        Mockito.`when`(repository.findByMemberId(2200L)).thenReturn(preference)
+
+        assertFalse(service.canViewAdultContent(member))
+    }
+
     @Test
     @DisplayName("직접 설정 API 입력이 모두 누락되면 예외를 발생시킨다")
     fun shouldThrowWhenAllPreferenceFieldsAreMissing() {