fix: 쿠키 삭제 로직 수정

Author: sapiens2000

src/main/java/com/example/log4u/common/oauth2/jwt/JwtLogoutFilter.java

@@ -130,7 +130,8 @@ public void logout(HttpServletResponse response, String refresh) {
 		// DB 에서 리프레시 토큰 제거
 		refreshTokenRepository.deleteByRefresh(refresh);
 		// 쿠키 제거
-		CookieUtil.deleteCookie(response);
+		CookieUtil.deleteCookie(response, ACCESS_TOKEN);
+		CookieUtil.deleteCookie(response, REFRESH_TOKEN);
 	}
 
 }

src/main/java/com/example/log4u/common/util/CookieUtil.java

@@ -25,16 +25,13 @@ public static void createCookieWithSameSite(HttpServletResponse response, String
 		response.addHeader("Set-Cookie", headerValue);
 	}
 
-	public static void deleteCookie(HttpServletResponse response) {
-		// access 쿠키 삭제 - 헤더만 사용
-		String accessCookieString = "access=; Max-Age=0; Path=/; HttpOnly; Secure; SameSite=None";
-		response.addHeader("Set-Cookie", accessCookieString);
-
-		// refresh 쿠키 삭제 - 헤더만 사용
-		String refreshCookieString = "refresh=; Max-Age=0; Path=/; HttpOnly; Secure; SameSite=None";
-		response.addHeader("Set-Cookie", refreshCookieString);
-
-		response.setStatus(HttpServletResponse.SC_OK);
+	public static void deleteCookie(HttpServletResponse response, String name) {
+		Cookie cookie = new Cookie(name, null);
+		cookie.setMaxAge(0);
+		cookie.setPath("/");
+		cookie.setHttpOnly(true);
+		cookie.setSecure(true);
+		response.addCookie(cookie);
 	}
 
 }