diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00b4b7b..2c5198b 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
+- **Voice-source namespace migration.** Source URL management, filtering, source metadata normalization, and library
+  import helpers now use a private scope with explicit compatibility exports and a `window.TTVC.voiceSources` API.
 - **Voice-clone namespace migration.** Clone audio loading/upload, microphone monitoring, design presets, and voice-design
   actions now use a private scope with explicit compatibility exports and a `window.TTVC.voiceClone` API.
 - **TTS preview namespace migration.** Backend voice selection, Fish emotion tags, preview synthesis, stream fallback,
diff --git a/VERSION b/VERSION
index 68f8db5..082a2e6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.24.76
+1.24.77
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index cb93f71..48626e9 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -66,6 +66,7 @@ Done incrementally as global-scope ordered files (no ES-module change needed) 
 - ✅ Settings state and backend configuration use a private scope with live compatibility accessors and a namespace API.
 - ✅ TTS preview and performance-history helpers use a private scope with explicit preview/history compatibility exports.
 - ✅ Voice-clone audio, recording, and design controls use a private scope with explicit compatibility exports.
+- ✅ Voice-source discovery and import helpers use a private scope with explicit source-list/import compatibility exports.
 - ✅ `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 91b2a0a..5da5b53 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="1.24.76">
+  <meta name="app-version" content="1.24.77">
   <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=1.24.76">
-  <link rel="stylesheet" href="/static/css/resource-diagnostics.css?v=1.24.76">
-  <link rel="stylesheet" href="/static/css/background-jobs.css?v=1.24.76">
-  <link rel="stylesheet" href="/static/css/voice-design.css?v=1.24.76">
-  <link rel="stylesheet" href="/static/css/rehearser.css?v=1.24.76">
-  <link rel="stylesheet" href="/static/css/audiobook.css?v=1.24.76">
+  <link rel="stylesheet" href="/static/style.css?v=1.24.77">
+  <link rel="stylesheet" href="/static/css/resource-diagnostics.css?v=1.24.77">
+  <link rel="stylesheet" href="/static/css/background-jobs.css?v=1.24.77">
+  <link rel="stylesheet" href="/static/css/voice-design.css?v=1.24.77">
+  <link rel="stylesheet" href="/static/css/rehearser.css?v=1.24.77">
+  <link rel="stylesheet" href="/static/css/audiobook.css?v=1.24.77">
 
 
   <!-- ── 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=1.24.76"></script>
+<script src="/static/loader.js?v=1.24.77"></script>
 
 </body>
 </html>
diff --git a/static/js/voice-sources.js b/static/js/voice-sources.js
index 4ec577c..eb97f7e 100644
--- a/static/js/voice-sources.js
+++ b/static/js/voice-sources.js
@@ -1,4 +1,6 @@
 // -- Get voices ---------------------------------------------------------------
+
+(function (root) {
 const DEFAULT_VOICE_SOURCE_URLS = [
   'https://aiartes.com/voiceai',
   'https://sample-files.com/downloads/audio/wav/voice-sample.wav',
@@ -297,3 +299,20 @@ $('getvoices-list')?.addEventListener('click', async e => {
   toast('Source URL copied', 'success');
 });
 
+Object.assign(root, {
+  DEFAULT_VOICE_SOURCE_URLS, VOICE_SOURCE_STORAGE_KEY, _voiceSourcePayload, _voiceSourceItems,
+  sourceTextareaValueFromDefaults, initGetVoiceSourcesEditor, getEditableVoiceSourceUrls,
+  getVoiceSourceItems, voiceSourceSearchText, setOptions, renderGetVoices, loadGetVoices,
+  SOURCE_LANGUAGE_CODES, sourceLanguageCode, sourceGenderCode, suggestedVoiceIdFromSourceName,
+  setLibAddSourcePreview, getSourceVoiceInLibrary,
+});
+root.TTVC = root.TTVC || {};
+root.TTVC.voiceSources = root.TTVC.voiceSources || {};
+Object.assign(root.TTVC.voiceSources, {
+  list: getVoiceSourceItems,
+  load: loadGetVoices,
+  import: getSourceVoiceInLibrary,
+  sourceLanguageCode,
+  sourceGenderCode,
+});
+})(window);