Add guided tours and unify left-to-right hall wall hang.

Visitors walk published tours in a 3D hall with stop notes; curators edit drafts via Tour editor. All galleries (artist, movement, tour) place the first work left of the entrance view and the last on the right.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/i18n/index.ts

@@ -12,6 +12,7 @@ import enAnnotations from '../locales/en/annotations.json';
 import enDebug from '../locales/en/debug.json';
 import enTranslations from '../locales/en/translations.json';
 import enInfluences from '../locales/en/influences.json';
+import enTours from '../locales/en/tours.json';
 
 import ruCommon from '../locales/ru/common.json';
 import ruHome from '../locales/ru/home.json';
@@ -23,6 +24,7 @@ import ruAnnotations from '../locales/ru/annotations.json';
 import ruDebug from '../locales/ru/debug.json';
 import ruTranslations from '../locales/ru/translations.json';
 import ruInfluences from '../locales/ru/influences.json';
+import ruTours from '../locales/ru/tours.json';
 
 const initialLocale = readStoredLocale();
 writeStoredLocale(initialLocale);
@@ -31,7 +33,7 @@ void i18n.use(initReactI18next).init({
   lng: initialLocale,
   fallbackLng: 'en',
   supportedLngs: ['en', 'ru'],
-  ns: ['common', 'home', 'search', 'gallery', 'painting', 'bio', 'annotations', 'debug', 'translations', 'influences'],
+  ns: ['common', 'home', 'search', 'gallery', 'painting', 'bio', 'annotations', 'debug', 'translations', 'influences', 'tours'],
   defaultNS: 'common',
   resources: {
     en: {
@@ -45,6 +47,7 @@ void i18n.use(initReactI18next).init({
       debug: enDebug,
       translations: enTranslations,
       influences: enInfluences,
+      tours: enTours,
     },
     ru: {
       common: ruCommon,
@@ -57,6 +60,7 @@ void i18n.use(initReactI18next).init({
       debug: ruDebug,
       translations: ruTranslations,
       influences: ruInfluences,
+      tours: ruTours,
     },
   },
   interpolation: { escapeValue: false },