fix(chat-character-image): 캐릭터 이미지 가격

- 이미지 단독 구매 가격과 메시지를 통한 구매 가겨으로 분리

src/main/kotlin/kr/co/vividnext/sodalive/admin/chat/character/image/AdminCharacterImageController.kt

@@ -81,7 +81,8 @@ class AdminCharacterImageController(
             characterId = request.characterId,
             imagePath = imagePath,
             blurImagePath = blurImagePath,
-            price = request.price,
+            imagePriceCan = request.imagePriceCan,
+            messagePriceCan = request.messagePriceCan,
             isAdult = request.isAdult,
             triggers = request.triggers ?: emptyList()
         )

src/main/kotlin/kr/co/vividnext/sodalive/admin/chat/character/image/dto/CharacterImageDtos.kt

@@ -7,7 +7,8 @@ import kr.co.vividnext.sodalive.chat.character.image.CharacterImage
 
 data class RegisterCharacterImageRequest(
     @JsonProperty("characterId") val characterId: Long,
-    @JsonProperty("price") val price: Long,
+    @JsonProperty("imagePriceCan") val imagePriceCan: Long,
+    @JsonProperty("messagePriceCan") val messagePriceCan: Long,
     @JsonProperty("isAdult") val isAdult: Boolean = false,
     @JsonProperty("triggers") val triggers: List<String>? = null
 )
@@ -26,7 +27,8 @@ data class UpdateCharacterImageOrdersRequest(
 data class AdminCharacterImageResponse(
     val id: Long,
     val characterId: Long,
-    val price: Long,
+    val imagePriceCan: Long,
+    val messagePriceCan: Long,
     val isAdult: Boolean,
     val sortOrder: Int,
     val active: Boolean,
@@ -42,7 +44,8 @@ data class AdminCharacterImageResponse(
             return AdminCharacterImageResponse(
                 id = entity.id!!,
                 characterId = entity.chatCharacter.id!!,
-                price = entity.price,
+                imagePriceCan = entity.imagePriceCan,
+                messagePriceCan = entity.messagePriceCan,
                 isAdult = entity.isAdult,
                 sortOrder = entity.sortOrder,
                 active = entity.isActive,

src/main/kotlin/kr/co/vividnext/sodalive/chat/character/image/CharacterImage.kt

@@ -21,8 +21,11 @@ class CharacterImage(
     // 블러 이미지 경로 (S3 key - free/public bucket)
     var blurImagePath: String,
 
-    // 가격 (메시지/이미지 통합 단일가 - 요구사항 범위)
-    var price: Long = 0L,
+    // 이미지 단독 구매 가격 (단위: can)
+    var imagePriceCan: Long = 0L,
+
+    // 메시지를 통한 가격 (단위: can)
+    var messagePriceCan: Long = 0L,
 
     // 성인 이미지 여부 (본인인증 필요)
     var isAdult: Boolean = false,

src/main/kotlin/kr/co/vividnext/sodalive/chat/character/image/CharacterImageService.kt

@@ -24,13 +24,16 @@ class CharacterImageService(
         characterId: Long,
         imagePath: String,
         blurImagePath: String,
-        price: Long,
+        imagePriceCan: Long,
+        messagePriceCan: Long,
         isAdult: Boolean,
         triggers: List<String>
     ): CharacterImage {
         val character = characterRepository.findById(characterId)
             .orElseThrow { SodaException("캐릭터를 찾을 수 없습니다: $characterId") }
 
+        if (imagePriceCan < 0 || messagePriceCan < 0) throw SodaException("가격은 0 can 이상이어야 합니다.")
+
         if (!character.isActive) throw SodaException("비활성화된 캐릭터에는 이미지를 등록할 수 없습니다: $characterId")
 
         val nextOrder = (imageRepository.findMaxSortOrderByCharacterId(characterId)) + 1
@@ -38,7 +41,8 @@ class CharacterImageService(
             chatCharacter = character,
             imagePath = imagePath,
             blurImagePath = blurImagePath,
-            price = price,
+            imagePriceCan = imagePriceCan,
+            messagePriceCan = messagePriceCan,
             isAdult = isAdult,
             sortOrder = nextOrder,
             isActive = true