From 4b4e48be0174a26f15622d0ba8e07bc0aa504f07 Mon Sep 17 00:00:00 2001
From: Vadym Samoilenko <vadymsamoilenko@oliver.agency>
Date: Mon, 30 Mar 2026 11:14:06 +0100
Subject: [PATCH] Fix logout for MSAL v5: use clearCache() for app-only sign
 out

onRedirectNavigate was removed from EndSessionRequest in msal-browser v3+.
clearCache() clears local tokens without redirecting to Microsoft logout.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 frontend/src/App.tsx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index bb3ffec..bff2533 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -182,9 +182,10 @@ function NavBar() {
   const { instance, accounts } = useMsal();
   const user = accounts[0];
 
-  function handleLogout() {
-    // Sign out from the app only — does not sign out of the Microsoft account
-    instance.logoutRedirect({ onRedirectNavigate: () => false });
+  async function handleLogout() {
+    // Clear local MSAL cache only — does not sign out of the Microsoft account
+    await instance.clearCache();
+    window.location.href = '/gsb';
   }
 
   return (