feat(creator-community): 커뮤니티 댓글 알림 딥링크에 게시글 식별자를 포함한다

src/test/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationServiceTest.kt

@@ -127,6 +127,38 @@ class PushNotificationServiceTest {
         assertEquals(1, saved.recipientChunks[2].recipientMemberIds.size)
     }
 
+    @Test
+    fun shouldAppendPostIdQueryForCommunityCommentDeepLinkWhenSavingNotification() {
+        val event = FcmEvent(
+            type = FcmEventType.INDIVIDUAL,
+            category = PushNotificationCategory.COMMUNITY,
+            senderMemberId = 500L,
+            recipients = listOf(10L),
+            deepLinkValue = FcmDeepLinkValue.COMMUNITY,
+            deepLinkId = 77L,
+            deepLinkCommentPostId = 999L
+        )
+        val pushTokens = listOf(PushTokenInfo(token = "token-1", deviceType = "aos", languageCode = "ko"))
+        val sender = createMember(id = 500L, role = MemberRole.CREATOR, nickname = "creator")
+
+        Mockito.`when`(pushTokenRepository.findMemberIdsByTokenIn(listOf("token-1"))).thenReturn(listOf(10L))
+        Mockito.`when`(memberRepository.findById(500L)).thenReturn(Optional.of(sender))
+        Mockito.`when`(pushNotificationListRepository.save(Mockito.any(PushNotificationList::class.java)))
+            .thenAnswer { invocation -> invocation.getArgument(0) }
+
+        service.saveNotification(
+            fcmEvent = event,
+            languageCode = "ko",
+            translatedMessage = "새 댓글이 등록되었습니다.",
+            recipientPushTokens = pushTokens
+        )
+
+        val captor = ArgumentCaptor.forClass(PushNotificationList::class.java)
+        Mockito.verify(pushNotificationListRepository).save(captor.capture())
+        val saved = captor.value
+        assertEquals("voiceon://community/77?postId=999", saved.deepLink)
+    }
+
     @Test
     fun shouldApplyLanguageAndOptionalCategoryWhenGettingNotificationList() {
         // given: 현재 기기 언어를 EN으로 설정하고 목록 조회 결과를 준비한다.