feat(router): prevent redirection from public landing pages on session expiration

frontend/src/router/index.js

@@ -43,6 +43,12 @@ const router = createRouter({
 });
 
 router.beforeEach(async (to, from, next) => {
+  // These are public entry pages. They must never be redirected because a
+  // persisted login has expired while the application is starting up.
+  if (to.meta?.publicLanding) {
+    return next();
+  }
+
   if (to.matched.some(record => record.meta.requiresAuth)) {
     if (!store.getters.isLoggedIn) {
       return next('/');