🌐(frontend) add i18n keys for screen share zoom controls

English and French labels, SR announcements and pan navigation hint.

CHANGELOG.md

@@ -34,6 +34,10 @@ and this project adheres to
 - 🐛(backend) fix info panel crash for unregistered rooms
 - ♿️(frontend) focus side panel container on open #1452
 
+### Added
+
+- ✨(frontend) add screen share zoom controls #1498
+
 ## [1.23.0] - 2026-07-08
 
 ### Added

src/frontend/src/locales/de/rooms.json

@@ -668,6 +668,18 @@
     "muteParticipant": "{{name}} stummschalten",
     "fullScreen": "Vollbild"
   },
+  "screenShareZoom": {
+    "toolbarLabel": "Zoom-Steuerung für Bildschirmfreigabe",
+    "zoomIn": "Vergrößern",
+    "zoomOut": "Verkleinern",
+    "fitToWindow": "An Fenster anpassen",
+    "fullScreen": "Vollbild",
+    "exitFullScreen": "Vollbild beenden",
+    "currentZoomLevel": "Zoom {{level}} %",
+    "panHint": "Zoom {{level}} %. Mit der Maus ziehen oder Pfeiltasten zum Navigieren verwenden.",
+    "fullScreenEntered": "Vollbild aktiviert",
+    "fullScreenExited": "Vollbild deaktiviert"
+  },
   "shortcutsPanel": {
     "title": "Tastenkürzel",
     "categories": {

src/frontend/src/locales/en/rooms.json

@@ -667,6 +667,18 @@
     "muteParticipant": "Mute {{name}}",
     "fullScreen": "Full screen"
   },
+  "screenShareZoom": {
+    "toolbarLabel": "Screen share zoom controls",
+    "zoomIn": "Zoom in",
+    "zoomOut": "Zoom out",
+    "fitToWindow": "Fit to window",
+    "fullScreen": "Full screen",
+    "exitFullScreen": "Exit full screen",
+    "currentZoomLevel": "Zoom {{level}} %",
+    "panHint": "Zoom {{level}} %. Drag with mouse or use arrow keys to navigate.",
+    "fullScreenEntered": "Full screen enabled",
+    "fullScreenExited": "Full screen disabled"
+  },
   "shortcutsPanel": {
     "title": "Keyboard shortcuts",
     "categories": {

src/frontend/src/locales/fr/rooms.json

@@ -667,6 +667,18 @@
     "muteParticipant": "Couper le micro de {{name}}",
     "fullScreen": "Plein écran"
   },
+  "screenShareZoom": {
+    "toolbarLabel": "Contrôles de zoom du partage d'écran",
+    "zoomIn": "Zoomer",
+    "zoomOut": "Dézoomer",
+    "fitToWindow": "Ajuster à la fenêtre",
+    "fullScreen": "Plein écran",
+    "exitFullScreen": "Quitter le plein écran",
+    "currentZoomLevel": "Zoom {{level}} %",
+    "panHint": "Zoom {{level}} %. Glissez avec la souris ou utilisez les touches fléchées pour naviguer.",
+    "fullScreenEntered": "Plein écran activé",
+    "fullScreenExited": "Plein écran désactivé"
+  },
   "shortcutsPanel": {
     "title": "Raccourcis clavier",
     "categories": {

src/frontend/src/locales/nl/rooms.json

@@ -667,6 +667,18 @@
     "muteParticipant": "Demp {{name}}",
     "fullScreen": "Volledig scherm"
   },
+  "screenShareZoom": {
+    "toolbarLabel": "Zoombediening voor schermdeling",
+    "zoomIn": "Inzoomen",
+    "zoomOut": "Uitzoomen",
+    "fitToWindow": "Aanpassen aan venster",
+    "fullScreen": "Volledig scherm",
+    "exitFullScreen": "Volledig scherm verlaten",
+    "currentZoomLevel": "Zoom {{level}} %",
+    "panHint": "Zoom {{level}} %. Sleep met de muis of gebruik de pijltjestoetsen om te navigeren.",
+    "fullScreenEntered": "Volledig scherm ingeschakeld",
+    "fullScreenExited": "Volledig scherm uitgeschakeld"
+  },
   "shortcutsPanel": {
     "title": "Sneltoetsen",
     "categories": {