ExternalApiData에 @JsonIgnoreProperties(ignoreUnknown = true)를 추가하여 없는 필드는 무시하도록 수정

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

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.admin.chat.character.dto
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties
 import com.fasterxml.jackson.annotation.JsonProperty
 
 data class ChatCharacterPersonalityRequest(
@@ -52,6 +53,7 @@ data class ExternalApiResponse(
     @JsonProperty("message") val message: String? = null
 )
 
+@JsonIgnoreProperties(ignoreUnknown = true)
 data class ExternalApiData(
     @JsonProperty("id") val id: String
 )