feat(admin-character): 캐릭터 상세 결과에 characterType 추가

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

@@ -9,6 +9,7 @@ data class ChatCharacterDetailResponse(
     val imageUrl: String?,
     val description: String,
     val systemPrompt: String,
+    val characterType: String,
     val age: Int?,
     val gender: String?,
     val mbti: String?,
@@ -40,6 +41,7 @@ data class ChatCharacterDetailResponse(
                 imageUrl = fullImagePath,
                 description = chatCharacter.description,
                 systemPrompt = chatCharacter.systemPrompt,
+                characterType = chatCharacter.characterType.name,
                 age = chatCharacter.age,
                 gender = chatCharacter.gender,
                 mbti = chatCharacter.mbti,