feat: implement cross-tab idle session timeout and add request collapsing to token refresh logic.

apps/backoffice/src/app/i18n/locales/am.ts

@@ -105,6 +105,8 @@ export const am: Translations = {
 
   common: {
     logout: "ውጣ",
+    idleLogoutTitle: "ክፍለ ጊዜው አልቋል",
+    idleLogoutMessage: "ለ15 ደቂቃ እንቅስቃሴ ባለማድረግዎ ምክንያት ወጥተዋል።",
     profile: "መገለጫ",
     settings: "ቅንብሮች",
     export: "ላክ",

apps/backoffice/src/app/i18n/locales/en.ts

@@ -103,6 +103,8 @@ export const en = {
 
   common: {
     logout: 'Log out',
+    idleLogoutTitle: 'Session ended',
+    idleLogoutMessage: 'You were signed out after 15 minutes of inactivity.',
     profile: 'Profile',
     settings: 'Settings',
     export: 'Export',