캔 사용 시 국가 코드 기록 기능 추가

CloudFront-Viewer-Country 헤더를 통해 국가 코드를 수집하고 캔 사용 내역(UseCan) 저장 시 함께 기록하도록 수정
요청별 국가 정보 관리를 위한 컨텍스트와 인터셉터를 구현

src/main/kotlin/kr/co/vividnext/sodalive/can/payment/CanPaymentService.kt

@@ -14,6 +14,7 @@ import kr.co.vividnext.sodalive.can.use.UseCanCalculateRepository
 import kr.co.vividnext.sodalive.can.use.UseCanCalculateStatus
 import kr.co.vividnext.sodalive.can.use.UseCanRepository
 import kr.co.vividnext.sodalive.chat.character.image.CharacterImage
+import kr.co.vividnext.sodalive.common.CountryContext
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.content.AudioContent
 import kr.co.vividnext.sodalive.content.order.Order
@@ -35,7 +36,8 @@ class CanPaymentService(
     private val useCanRepository: UseCanRepository,
     private val useCanCalculateRepository: UseCanCalculateRepository,
     private val messageSource: SodaMessageSource,
-    private val langContext: LangContext
+    private val langContext: LangContext,
+    private val countryContext: CountryContext
 ) {
     @Transactional
     fun spendCan(
@@ -76,7 +78,8 @@ class CanPaymentService(
             canUsage = canUsage,
             can = useChargeCan?.total ?: 0,
             rewardCan = useRewardCan.total,
-            isSecret = isSecret
+            isSecret = isSecret,
+            countryCode = countryContext.countryCode
         )
 
         var recipientId: Long? = null
@@ -378,7 +381,8 @@ class CanPaymentService(
             canUsage = CanUsage.CHARACTER_IMAGE_PURCHASE,
             can = useChargeCan?.total ?: 0,
             rewardCan = useRewardCan.total,
-            isSecret = false
+            isSecret = false,
+            countryCode = countryContext.countryCode
         )
         useCan.member = member
         useCan.characterImage = image
@@ -424,7 +428,8 @@ class CanPaymentService(
             canUsage = CanUsage.CHAT_MESSAGE_PURCHASE,
             can = useChargeCan?.total ?: 0,
             rewardCan = useRewardCan.total,
-            isSecret = false
+            isSecret = false,
+            countryCode = countryContext.countryCode
         )
         useCan.member = member
         useCan.chatMessage = message

src/main/kotlin/kr/co/vividnext/sodalive/can/use/UseCan.kt

@@ -34,7 +34,9 @@ data class UseCan(
 
     // 채팅 연동을 위한 식별자 (옵션)
     var chatRoomId: Long? = null,
-    var characterId: Long? = null
+    var characterId: Long? = null,
+
+    var countryCode: String? = null
 ) : BaseEntity() {
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "member_id", nullable = false)