V45.10: fix seek lag solo track - skip sink re-point on seek restart v=202608300814

app/static/js/app.jsx

@@ -26181,7 +26181,7 @@ const App = () => {
   const handlePause = () => {
     if (isPlaying || subTabs.some(s => s.isPlaying)) stopAllPlayback(true);
   };
-  const stopAllPlayback = (fade) => {
+  const stopAllPlayback = (fade, skipRouting) => {
     try {
     // D14: bỏ dip muteGain tại wrap (loop) — 5ms master→0.0001 mỗi vòng =
     // âm beat 0:0 nhỏ hơn hẳn âm cuối pass (bug seam volume). Click seam giờ
@@ -26398,7 +26398,7 @@ const App = () => {
       ...s,
       isPlaying: false
     })));
-    updateSfRouting();
+    if (!skipRouting) updateSfRouting();
   };
   const seekPlaybackTo = (time) => {
     const isSubTab = subTabs.some(sub => sub.id === activeTab);
@@ -26407,7 +26407,7 @@ const App = () => {
       if (!st) return;
       if (st.isPlaying) {
         fxRtKeepForRestart = true; // restart/resume — giữ session FX realtime
-        stopAllPlayback();
+        stopAllPlayback(false, true);
         window.SonicSF.stopAll();
         stopAllNativeSfNotes(); stopAllNativeVstNotes();
         setSubTabs(prev => prev.map(s => s.id === activeTab ? {
@@ -26432,7 +26432,7 @@ const App = () => {
     } else {
       if (isPlaying) {
         fxRtKeepForRestart = true; // restart/resume — giữ session FX realtime
-        stopAllPlayback();
+        stopAllPlayback(false, true);
         setCurrentTime(time);
         startOffsetTimeRef.current = time;
         startAudioTimeRef.current = getAudioContext().currentTime;
@@ -34639,7 +34639,7 @@ STRICT CONSTRAINTS:
                  if (!seekSt) return;
                  if (seekSt.isPlaying) {
                    fxRtKeepForRestart = true; // restart/resume — giữ session FX realtime
-                   stopAllPlayback();
+                   stopAllPlayback(false, true);
                    window.SonicSF.stopAll();
                    stopAllNativeSfNotes(); stopAllNativeVstNotes();
                    setSubTabs(prev => prev.map(s => s.id === seekSt.id ? { ...s, currentTime: clickTime, isPlaying: true } : s));

app/templates/index.html

@@ -51,7 +51,7 @@
     <script src="/static/js/services/promptTemplateManager.js?v=202608290945"></script>
     <script src="/static/js/services/undoRedoEngine.js?v=202608290945"></script>
     <script src="/static/js/services/chordTheory.js?v=202608290945"></script>
-    <script src="/static/js/app.precompiled.js?v=202608300750" defer></script>
+    <script src="/static/js/app.precompiled.js?v=202608300814" defer></script>
     <link rel="stylesheet" href="/static/css/styles.css?v=202608290945">
     <style>
         :root {