🌐(frontend) localize SR modifier labels

Replace hardcoded 'Alt'/'Shift' in SR formatter with i18next
labels. Use Option/Alt distinction on Mac like Ctrl/Command.

src/frontend/src/features/shortcuts/formatLabels.ts

@@ -21,6 +21,7 @@ export const formatShortcutLabelForSR = (
     controlLabel,
     commandLabel,
     altLabel,
+    optionLabel,
     shiftLabel,
     plusLabel,
     noShortcutLabel,
@@ -28,6 +29,7 @@ export const formatShortcutLabelForSR = (
     controlLabel: string
     commandLabel: string
     altLabel: string
+    optionLabel: string
     shiftLabel: string
     plusLabel: string
     noShortcutLabel: string
@@ -37,9 +39,10 @@ export const formatShortcutLabelForSR = (
   const key = shortcut.key?.toUpperCase()
   if (!key) return noShortcutLabel
   const ctrlWord = isMacintosh() ? commandLabel : controlLabel
+  const altWord = isMacintosh() ? optionLabel : altLabel
   const parts: string[] = []
   if (shortcut.ctrlKey) parts.push(ctrlWord)
-  if (shortcut.altKey) parts.push(altLabel)
+  if (shortcut.altKey) parts.push(altWord)
   if (shortcut.shiftKey) parts.push(shiftLabel)
   parts.push(key)
   return parts.join(` ${plusLabel} `)

src/frontend/src/features/shortcuts/hooks/useShortcutFormatting.ts

@@ -38,6 +38,7 @@ export const useShortcutFormatting = () => {
         controlLabel: t('shortcutsPanel.sr.control'),
         commandLabel: t('shortcutsPanel.sr.command'),
         altLabel: t('shortcutsPanel.sr.alt'),
+        optionLabel: t('shortcutsPanel.sr.option'),
         shiftLabel: t('shortcutsPanel.sr.shift'),
         plusLabel: t('shortcutsPanel.sr.plus'),
         noShortcutLabel: t('shortcutsPanel.sr.noShortcut'),

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

@@ -620,6 +620,7 @@
       "control": "Steuerung",
       "command": "Befehl",
       "alt": "Alt",
+      "option": "Option",
       "shift": "Umschalt",
       "plus": "plus",
       "hold": "Halte {{key}} gedrückt",

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

@@ -620,6 +620,7 @@
       "control": "Control",
       "command": "Command",
       "alt": "Alt",
+      "option": "Option",
       "shift": "Shift",
       "plus": "plus",
       "hold": "Hold {{key}}",

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

@@ -620,6 +620,7 @@
       "control": "Contrôle",
       "command": "Commande",
       "alt": "Alt",
+      "option": "Option",
       "shift": "Majuscule",
       "plus": "plus",
       "hold": "Maintenir {{key}}",

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

@@ -620,6 +620,7 @@
       "control": "Control",
       "command": "Command",
       "alt": "Alt",
+      "option": "Option",
       "shift": "Shift",
       "plus": "plus",
       "hold": "Houd {{key}} ingedrukt",