Merge pull request 'fix: 카멜케이스 변환 함수 내 소문자 스네이크케이스도 대응되도록 조건 추가' (#41) from feature/suitable-api into dev

Reviewed-on: #41

src/libs/axios.ts

@@ -78,7 +78,8 @@ export const transformObjectKeys = (obj: any): any => {
       let transformedKey = key
 
       // Handle uppercase snake_case (e.g., USER_NAME -> userName)
-      if (/^[A-Z_]+$/.test(key)) {
+      // Handle lowercase snake_case (e.g., user_name -> userName)
+      if (/^[A-Z_]+$/.test(key) || /^[a-z_]+$/.test(key)) {
         transformedKey = snakeToCamel(key)
       }
       // Handle single uppercase word (e.g., ROLE -> role)