feat: inline bilingual choice text (textEn), lang-aware choice rendering

src/components/ChoicePanel.vue

@@ -13,7 +13,12 @@ const emit = defineEmits<{
   choose: [index: number]
 }>()
 
-const { t } = useI18n()
+const { t, currentLang } = useI18n()
+
+function choiceLabel(c: Choice): string {
+  if (currentLang.value === 'en' && (c as any).textEn) return (c as any).textEn
+  return c.text
+}
 const focusIndex = ref(0)
 const btnRefs = ref<(HTMLButtonElement | null)[]>([])
 
@@ -75,7 +80,7 @@ function onKeydown(e: KeyboardEvent, index: number) {
         @click="emit('choose', index)"
         @keydown="onKeydown($event, index)"
       >
-        {{ choice.text }}
+        {{ choiceLabel(choice) }}
       </button>
     </div>
   </div>