refactor: prevRoute를 literal type으로 수정

src/page/Auth/FindPassword/CompleteChangePassword/index.tsx

@@ -1,11 +1,11 @@
 import { ReactComponent as Check } from 'assets/svg/auth/check.svg';
 import { useNavigate } from 'react-router-dom';
-import { useRouteCheck, Route } from 'page/Auth/FindPassword/hooks/useRouteCheck';
+import { useRouteCheck } from 'page/Auth/FindPassword/hooks/useRouteCheck';
 import styles from './CompleteChangePassword.module.scss';
 
 export default function CompleteChangePassword() {
   const navigate = useNavigate();
-  useRouteCheck(Route.NEXT_STEP, '/new-password');
+  useRouteCheck('new-password', '/new-password');
 
   return (
     <div className={styles.template}>

src/page/Auth/FindPassword/NewPassword/index.tsx

@@ -1,7 +1,7 @@
 import { ReactComponent as KoinLogo } from 'assets/svg/auth/koin-logo.svg';
 import { ReactComponent as ShowIcon } from 'assets/svg/auth/show.svg';
 import { ReactComponent as BlindIcon } from 'assets/svg/auth/blind.svg';
-import { useRouteCheck, Route } from 'page/Auth/FindPassword/hooks/useRouteCheck';
+import { useRouteCheck } from 'page/Auth/FindPassword/hooks/useRouteCheck';
 import useBooleanState from 'utils/hooks/useBooleanState';
 import { useState } from 'react';
 import { useNewPassword } from 'query/auth';
@@ -14,7 +14,7 @@ export default function NewPassword() {
   const { value: isBlind, changeValue: changeIsBlind } = useBooleanState(true);
   const { email } = useEmailAuthStore();
   const submit = useNewPassword();
-  useRouteCheck(Route.NEXT_STEP, '/find-password');
+  useRouteCheck('find-password', '/find-password');
   const handleSubmit = (e: React.MouseEvent<HTMLButtonElement>) => {
     e.preventDefault();
     submit({ email, password });

src/page/Auth/FindPassword/hooks/useRouteCheck.ts

@@ -1,9 +1,7 @@
 import { useEffect } from 'react';
 import { useLocation, useNavigate } from 'react-router-dom';
 
-export enum Route {
-  NEXT_STEP = 'nextStep',
-}
+type Route = 'new-password' | 'find-password';
 
 export const useRouteCheck = (prevRoute: Route, entryRoute: string) => {
   const location = useLocation();