bugfix: authenticated users seen a blank page instead of their dashboard when reopen the site

frontend/src/middleware.ts

@@ -10,6 +10,11 @@ export function middleware(request: NextRequest) {
   const token = request.cookies.get('accessToken')?.value;
   const isAuthenticated = !!token;
 
+  // If a logged-in user opens home, send them to dashboard.
+  if (isAuthenticated && pathname === '/') {
+    return NextResponse.redirect(new URL('/today', request.url));
+  }
+
   // Always allow public routes first
   if (publicRoutes.includes(pathname)) {
     // If user is already logged in and tries to access login/register → redirect to dashboard