refactor(voice): isolate gemini live provider core

src/standalone/application.js

@@ -1,11 +1,13 @@
 import { createStandaloneCatalog } from './catalog.js';
 import { createStandalonePlaceSearch } from './placeSearch.js';
-import { CITY_POIS } from '../locations.js';
+import { CITY_POIS } from '../cityPois.js';
 import { createApplication } from '../app/application.js';
 import { createStandaloneScene } from './scene.js';
 import { createStandaloneControls } from './controls.js';
 import { createStandaloneData } from './data.js';
 import { createStandaloneTools } from './tools.js';
+import { resolveLocale, applyDocumentLanguage } from '../i18n/locale.js';
+import { applyDocumentTranslations, setLocale } from '../i18n/index.js';
 import { createGoogleTokenSource } from '../maps/googleTokens.js';
 
 // The existing controls and layer catalog contain page-scoped state.
@@ -24,6 +26,14 @@ export function createStandaloneApplication({
   if (constructed)
     throw new Error('The standalone application already owns this page');
   constructed = true;
+  // Locale is resolved before any UI initialization so <html lang>/<html dir>
+  // and every catalog lookup agree from the first painted frame. Module
+  // scripts execute after parsing, so the DOM is ready here and every
+  // data-i18n* element honors the resolved locale without a reload.
+  const activeLocale = resolveLocale();
+  setLocale(activeLocale);
+  applyDocumentLanguage(document, activeLocale);
+  applyDocumentTranslations(document);
   const loadingScreen = document.getElementById('loading-screen');
   const loaderStatus = loadingScreen.querySelector('.loader-status');
   let placeSearch;

src/standalone/tools.js

@@ -18,8 +18,8 @@ export function createStandaloneTools(options) {
     },
     ...options,
     voice: {
-      toolCatalog: loadToolCatalog,
       supportedProviders: ['openai', 'gemini'],
+      toolCatalog: loadToolCatalog,
       ...options?.voice,
     },
   });