feat(character): 캐릭터 삭제 API

- 삭제 API 호출 대신 isActive=false로 수정 API 호출하도록 변경

src/views/Chat/CharacterList.vue

@@ -251,7 +251,7 @@
 </template>
 
 <script>
-import { getCharacterList, searchCharacters, deleteCharacter as apiDeleteCharacter } from '@/api/character'
+import { getCharacterList, searchCharacters, updateCharacter } from '@/api/character'
 
 export default {
   name: "CharacterList",
@@ -349,7 +349,12 @@ export default {
       this.is_loading = true
 
       try {
-        await apiDeleteCharacter(this.selected_character.id);
+        // 삭제 대신 isActive를 false로 설정하여 비활성화
+        const updateData = {
+          id: this.selected_character.id,
+          isActive: false
+        };
+        await updateCharacter(updateData);
         this.closeDeleteDialog();
         this.notifySuccess('삭제되었습니다.');
         await this.getCharacters();