feat(voice): reconcile preview and settings with main

add the shared Voice Preview and Settings panel with browser-local preview
and inactivity preferences, keyboard controls and responsive positioning

preserve main’s Rotation and Context behavior, clarify panel routing and
refresh schema pins within the unchanged prompt limit

src/i18n/locales/es.json

@@ -2947,5 +2947,19 @@
   "Layers": "Capas",
   "Search": "Buscar",
   "More": "Más",
-  "Panels": "Paneles"
+  "Panels": "Paneles",
+  "Recent speech": "Habla reciente",
+  "Voice Settings": "Ajustes de voz",
+  "Preview": "Vista previa",
+  "Settings": "Ajustes",
+  "Close voice panel": "Cerrar panel de voz",
+  "Show Voice Preview": "Mostrar vista previa de voz",
+  "Voice inactivity timeout": "Tiempo de inactividad de voz",
+  "Custom": "Personalizado",
+  "Minutes": "Minutos",
+  "These preferences stay in this browser.": "Estas preferencias se guardan en este navegador.",
+  "Your choice applies now, but could not be saved.": "Tu elección se aplica ahora, pero no se pudo guardar.",
+  "Voice replies appear here.": "Las respuestas de voz aparecen aquí.",
+  "Preview is off.": "La vista previa está desactivada.",
+  "Automatic stop is unavailable for this voice connection.": "La parada automática no está disponible para esta conexión de voz."
 }

src/i18n/locales/ru.json

@@ -3014,5 +3014,19 @@
   "Layers": "Слои",
   "Search": "Поиск",
   "More": "Ещё",
-  "Panels": "Панели"
+  "Panels": "Панели",
+  "Recent speech": "Недавняя речь",
+  "Voice Settings": "Настройки голоса",
+  "Preview": "Предпросмотр",
+  "Settings": "Настройки",
+  "Close voice panel": "Закрыть голосовую панель",
+  "Show Voice Preview": "Показывать предпросмотр голоса",
+  "Voice inactivity timeout": "Тайм-аут бездействия голоса",
+  "Custom": "Другое",
+  "Minutes": "Минуты",
+  "These preferences stay in this browser.": "Эти настройки сохраняются в этом браузере.",
+  "Your choice applies now, but could not be saved.": "Ваш выбор применён, но сохранить его не удалось.",
+  "Voice replies appear here.": "Здесь появляются голосовые ответы.",
+  "Preview is off.": "Предпросмотр отключён.",
+  "Automatic stop is unavailable for this voice connection.": "Автоматическая остановка недоступна для этого голосового подключения."
 }

src/i18n/locales/zh-CN.json

@@ -2813,5 +2813,19 @@
   "Layers": "图层",
   "Search": "搜索",
   "More": "更多",
-  "Panels": "面板"
+  "Panels": "面板",
+  "Recent speech": "最近语音",
+  "Voice Settings": "语音设置",
+  "Preview": "预览",
+  "Settings": "设置",
+  "Close voice panel": "关闭语音面板",
+  "Show Voice Preview": "显示语音预览",
+  "Voice inactivity timeout": "语音空闲超时",
+  "Custom": "自定义",
+  "Minutes": "分钟",
+  "These preferences stay in this browser.": "这些偏好设置仅保存在此浏览器中。",
+  "Your choice applies now, but could not be saved.": "选择已生效，但无法保存。",
+  "Voice replies appear here.": "语音回复显示在此处。",
+  "Preview is off.": "预览已关闭。",
+  "Automatic stop is unavailable for this voice connection.": "此语音连接不支持自动停止。"
 }