feat: implement force logout notifications for password reset and account deletion

frontend/vue-app/src/components/profile/UserProfile.vue

@@ -103,7 +103,7 @@ import EntityEditForm from '../shared/EntityEditForm.vue'
 import ModalDialog from '../shared/ModalDialog.vue'
 import { parseErrorResponse, isEmailValid } from '@/common/api'
 import { ALREADY_MARKED } from '@/common/errorCodes'
-import { logoutUser } from '@/stores/auth'
+import { logoutUser, suppressForceLogout } from '@/stores/auth'
 import '@/assets/styles.css'
 
 const router = useRouter()
@@ -300,6 +300,9 @@ function closeDeleteWarning() {
 async function confirmDeleteAccount() {
   if (!isEmailValid(confirmEmail.value)) return
 
+  // Set flag before the request so it's guaranteed to be set
+  // before the force_logout SSE event can arrive on this tab
+  suppressForceLogout.value = true
   deletingAccount.value = true
   try {
     const res = await fetch('/api/user/mark-for-deletion', {
@@ -309,6 +312,7 @@ async function confirmDeleteAccount() {
     })
 
     if (!res.ok) {
+      suppressForceLogout.value = false
       const { msg, code } = await parseErrorResponse(res)
       let errorMessage = msg
       if (code === ALREADY_MARKED) {
@@ -320,10 +324,11 @@ async function confirmDeleteAccount() {
       return
     }
 
-    // Success
+    // Success — suppressForceLogout is already set; show confirmation modal
     showDeleteWarning.value = false
     showDeleteSuccess.value = true
   } catch {
+    suppressForceLogout.value = false
     deleteErrorMessage.value = 'Network error. Please try again.'
     showDeleteWarning.value = false
     showDeleteError.value = true