diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82405f3..cfc4211 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ Follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) · versioned wi
 ## [Unreleased]
 
 ### Changed
+- **i18n namespace migration.** Language dictionaries and mutable language state now use a private scope with compatibility
+  exports and a `window.TTVC.i18n` API.
 - **Audiobook-cast namespace migration.** Cast serialization, page stamping, and speaker normalization now use a private
   scope with compatibility exports and the existing `window.TTVC.audiobook.cast` API.
 - **SillyTavern namespace migration.** Character-card parsing, import, and export helpers now use a private scope with
diff --git a/VERSION b/VERSION
index 773d679..1d5543b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.24.95
+1.24.96
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index 8caf280..616ea5e 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -83,6 +83,7 @@ Done incrementally as global-scope ordered files (no ES-module change needed) 
 - ✅ Seed-finder generation and caching helpers use a private scope with compatibility exports and a namespace API.
 - ✅ Audiobook cast serialization and speaker normalization use a private scope with the existing cast namespace API.
 - ✅ SillyTavern character-card import/export helpers use a private scope with a namespace API.
+- ✅ i18n dictionaries and language state use a private scope with compatibility exports and a namespace API.
 - ✅ `static/css/resource-diagnostics.css` — isolated Performance/resource diagnostic panel styles.
 - ✅ `static/css/background-jobs.css` — isolated background-job history and retry-panel styles.
 - ✅ `static/css/voice-design.css` — isolated Voice Design form, samples, and preview-match styles.
diff --git a/static/index.html b/static/index.html
index 9f9a853..1056dd9 100644
--- a/static/index.html
+++ b/static/index.html
@@ -10,7 +10,7 @@
   <meta name="format-detection" content="telephone=no">
   <meta name="color-scheme" content="light dark">
   <meta name="theme-color" content="#2563EB">
-  <meta name="app-version" content="1.24.95">
+  <meta name="app-version" content="1.24.96">
   <link rel="manifest" href="/manifest.webmanifest">
   <link rel="icon" href="/static/icon.svg" type="image/svg+xml">
   <link rel="apple-touch-icon" href="/static/icon.svg">
@@ -27,12 +27,12 @@
 
   <!-- ── Core styles (local — no CDN dependency for first paint) ────────── -->
   <link rel="stylesheet" href="/static/vendor/mdi/materialdesignicons.min.css">
-  <link rel="stylesheet" href="/static/style.css?v=1.24.95">
-  <link rel="stylesheet" href="/static/css/resource-diagnostics.css?v=1.24.95">
-  <link rel="stylesheet" href="/static/css/background-jobs.css?v=1.24.95">
-  <link rel="stylesheet" href="/static/css/voice-design.css?v=1.24.95">
-  <link rel="stylesheet" href="/static/css/rehearser.css?v=1.24.95">
-  <link rel="stylesheet" href="/static/css/audiobook.css?v=1.24.95">
+  <link rel="stylesheet" href="/static/style.css?v=1.24.96">
+  <link rel="stylesheet" href="/static/css/resource-diagnostics.css?v=1.24.96">
+  <link rel="stylesheet" href="/static/css/background-jobs.css?v=1.24.96">
+  <link rel="stylesheet" href="/static/css/voice-design.css?v=1.24.96">
+  <link rel="stylesheet" href="/static/css/rehearser.css?v=1.24.96">
+  <link rel="stylesheet" href="/static/css/audiobook.css?v=1.24.96">
 
 
   <!-- ── Flag icons — non-blocking (loaded async, icons appear after JS) ── -->
@@ -397,7 +397,7 @@ window.toggleNavTree = function(treeId, chevronId) {
 </script>
 
 <!-- loader.js: fetches sections → loads JS modules → removes skeleton -->
-<script src="/static/loader.js?v=1.24.95"></script>
+<script src="/static/loader.js?v=1.24.96"></script>
 
 </body>
 </html>
diff --git a/static/js/i18n.js b/static/js/i18n.js
index 4915ddd..e989297 100644
--- a/static/js/i18n.js
+++ b/static/js/i18n.js
@@ -8,6 +8,8 @@
 // window.t('English') for JS-generated strings. Dynamic lists can be translated by
 // calling window.applyI18n(container) after rendering.
 
+(function (root) {
+
 const I18N_LANGS = {
   en: 'English', de: 'Deutsch', fr: 'Français', es: 'Español',
   it: 'Italiano', pt: 'Português', nl: 'Nederlands', pl: 'Polski',
@@ -481,3 +483,16 @@ window.populateLangSelect = function () {
 // Back-compat: loader.js calls initLangPicker() once at startup. The picker now
 // lives in Settings → General, so this just tries to populate it.
 window.initLangPicker = function () { window.populateLangSelect(); };
+
+Object.assign(root, { I18N_LANGS, I18N_DICT });
+root.TTVC = root.TTVC || {};
+root.TTVC.i18n = root.TTVC.i18n || {};
+Object.assign(root.TTVC.i18n, {
+  languages: I18N_LANGS,
+  dictionary: I18N_DICT,
+  get language() { return _appLang; },
+  translate: root.t,
+  apply: root.applyI18n,
+  set: root.setAppLang,
+});
+})(window);