feat: session filter chips in sidebar — filter by channel type, active status

src/lib/i18n.ts

@@ -63,6 +63,8 @@ const en = {
   'sidebar.openSplit': 'Open in split view',
   'sidebar.close': 'Close sidebar',
   'sidebar.clearSearch': 'Clear search',
+  'sidebar.filterAll': 'All',
+  'sidebar.filterActive': 'Active',
   'split.close': 'Close split view',
   'app.mainChat': 'Main chat',
   'app.splitPane': 'Split pane',
@@ -184,6 +186,8 @@ const fr: Record<keyof typeof en, string> = {
   'sidebar.openSplit': 'Ouvrir en vue scindée',
   'sidebar.close': 'Fermer la barre latérale',
   'sidebar.clearSearch': 'Effacer la recherche',
+  'sidebar.filterAll': 'Tout',
+  'sidebar.filterActive': 'Actives',
   'split.close': 'Fermer la vue scindée',
   'app.mainChat': 'Chat principal',
   'app.splitPane': 'Volet scindé',