🚩(frontend) integrate homepage feature flag

If the homepage feature flag is enabled,
the homepage will be displayed.

src/frontend/apps/impress/src/core/config/api/useConfig.tsx

@@ -5,17 +5,18 @@ import { Theme } from '@/cunningham/';
 import { PostHogConf } from '@/services';
 
 interface ConfigResponse {
-  LANGUAGES: [string, string][];
-  LANGUAGE_CODE: string;
-  ENVIRONMENT: string;
+  AI_FEATURE_ENABLED?: boolean;
   COLLABORATION_WS_URL?: string;
   CRISP_WEBSITE_ID?: string;
-  FRONTEND_THEME?: Theme;
+  ENVIRONMENT: string;
   FRONTEND_CSS_URL?: string;
+  FRONTEND_HOMEPAGE_FEATURE_ENABLED?: boolean;
+  FRONTEND_THEME?: Theme;
+  LANGUAGES: [string, string][];
+  LANGUAGE_CODE: string;
   MEDIA_BASE_URL?: string;
   POSTHOG_KEY?: PostHogConf;
   SENTRY_DSN?: string;
-  AI_FEATURE_ENABLED?: boolean;
 }
 
 export const getConfig = async (): Promise<ConfigResponse> => {

src/frontend/apps/impress/src/features/auth/components/Auth.tsx

@@ -3,14 +3,16 @@ import { useRouter } from 'next/router';
 import { PropsWithChildren } from 'react';
 
 import { Box } from '@/components';
+import { useConfig } from '@/core';
 
 import { useAuth } from '../hooks';
-import { getAuthUrl } from '../utils';
+import { getAuthUrl, gotoLogin } from '../utils';
 
 export const Auth = ({ children }: PropsWithChildren) => {
   const { isLoading, pathAllowed, isFetchedAfterMount, authenticated } =
     useAuth();
   const { replace, pathname } = useRouter();
+  const { data: config } = useConfig();
 
   if (isLoading && !isFetchedAfterMount) {
     return (
@@ -40,7 +42,11 @@ export const Auth = ({ children }: PropsWithChildren) => {
    * If the user is not authenticated and the path is not allowed, we redirect to the login page.
    */
   if (!authenticated && !pathAllowed) {
-    void replace('/login');
+    if (config?.FRONTEND_HOMEPAGE_FEATURE_ENABLED) {
+      void replace('/login');
+    } else {
+      gotoLogin();
+    }
     return (
       <Box $height="100vh" $width="100vw" $align="center" $justify="center">
         <Loader />