diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c5198b..05b10c9 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
+- **Routing namespace migration.** Route configuration, sound selection, speed previews, routing tests, and routing-log
+  rendering now use a private scope with live compatibility accessors and a `window.TTVC.routing` API.
 - **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
diff --git a/VERSION b/VERSION
index 082a2e6..3b3fac8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.24.77
+1.24.78
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index 48626e9..1adf4a7 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -67,6 +67,7 @@ Done incrementally as global-scope ordered files (no ES-module change needed) 
 - ✅ 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.
+- ✅ TTS routing configuration and routing-log UI use a private scope with live route/sound compatibility accessors.
 - ✅ `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 5da5b53..78527b0 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="1.24.77">
+  <meta name="app-version" content="1.24.78">
   <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=1.24.77">
-  <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">
+  <link rel="stylesheet" href="/static/style.css?v=1.24.78">
+  <link rel="stylesheet" href="/static/css/resource-diagnostics.css?v=1.24.78">
+  <link rel="stylesheet" href="/static/css/background-jobs.css?v=1.24.78">
+  <link rel="stylesheet" href="/static/css/voice-design.css?v=1.24.78">
+  <link rel="stylesheet" href="/static/css/rehearser.css?v=1.24.78">
+  <link rel="stylesheet" href="/static/css/audiobook.css?v=1.24.78">
 
 
   <!-- ── 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=1.24.77"></script>
+<script src="/static/loader.js?v=1.24.78"></script>
 
 </body>
 </html>
diff --git a/static/js/routing.js b/static/js/routing.js
index 8d63655..b7b9b72 100644
--- a/static/js/routing.js
+++ b/static/js/routing.js
@@ -1,5 +1,7 @@
 // ── TTS routing ──────────────────────────────────────────────────────────
 
+(function (root) {
+
 let _ttsRoutes = [];
 // Any / Auto first (they are the routing-specific values), then every language
 // from the shared list in utils.js — the old hardcoded eight could not express
@@ -643,3 +645,28 @@ $('routing-sound-list')?.addEventListener('click', e => {
   }
 });
 
+Object.assign(root, {
+  ROUTE_LANGS, _routingSetStatus, routeSelectOptions, enhanceRouteLangSelects,
+  ROUTE_BACKENDS, _routeSounds, routeSoundOptions, loadRouteSounds,
+  _routeSoundPickerTarget, _routeSoundPlayingButton, routeSoundUrl,
+  setRouteSoundField, renderRouteSoundBrowser, openRouteSoundBrowser,
+  closeRouteSoundBrowser, playRouteSound, ROUTE_SPEED_PREVIEW_TEXT,
+  previewRouteSpeed, _routeSpeedPreviewButton, useRouteSound, routeBackendOptions,
+  refreshRoutingVoiceOptions, newRoute, renderRoutingList, readRoutingForm,
+  loadRoutingTab, saveRoutingTab, renderRouteTestResult, routingLogTime,
+  routingLogBadge, routingLogMeta, _routingLogItems, _routingLogFilter,
+  routingLogPassesFilter, renderCurrentRoutingLog, renderRoutingLog, loadRoutingLog,
+  clearRoutingLog, testRouting, uploadRouteSoundForRow,
+});
+Object.defineProperty(root, '_ttsRoutes', { configurable: true, get: () => _ttsRoutes, set: v => { _ttsRoutes = v; } });
+root.TTVC = root.TTVC || {};
+root.TTVC.routing = root.TTVC.routing || {};
+Object.assign(root.TTVC.routing, {
+  get routes() { return _ttsRoutes; },
+  get sounds() { return _routeSounds; },
+  load: loadRoutingTab,
+  save: saveRoutingTab,
+  test: testRouting,
+  render: renderRoutingList,
+});
+})(window);