diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx
index 53a98dc..8b570b2 100644
--- a/app/static/js/app.jsx
+++ b/app/static/js/app.jsx
@@ -12430,7 +12430,7 @@ const InteractiveEqPro = ({ track, params, onChange, getModule, applyTo, spectru
   );
 };
 
-const ExportModal = ({ open, onClose, exportSettings, setExportSettings, isExporting, onExport }) => {
+const ExportModal = ({ open, onClose, exportSettings, setExportSettings, isExporting, exportProgress, onExport }) => {
   if (!open) return null;
   const pickDir = async () => {
     try {
@@ -12626,6 +12626,16 @@ const ExportModal = ({ open, onClose, exportSettings, setExportSettings, isExpor
               <span className="text-xs text-zinc-300">Realtime (bounce — chạy lại project thật, giữ nguyên MIDI + FX Rack + Mastering Chain)</span>
             </label>
           </div>
+          {isExporting && (
+            <div className="bg-[#141414] border border-zinc-800 rounded px-2 py-1.5">
+              <div className="h-1.5 bg-zinc-800 rounded-full overflow-hidden">
+                <div className="h-full bg-cyan-500 transition-all duration-200" style={{ width: (exportProgress >= 0 ? exportProgress : 25) + '%' }} />
+              </div>
+              <div className="text-[8px] text-zinc-500 mt-1">
+                {exportProgress >= 0 ? 'Đang xuất... ' + Math.round(exportProgress) + '%' : 'Đang xử lý...'}
+              </div>
+            </div>
+          )}
           <div className="grid grid-cols-2 gap-2 pt-1">
             <button onClick={onExport} disabled={isExporting}
               className="w-full py-1 bg-cyan-700 hover:bg-cyan-600 text-zinc-100 font-bold rounded text-xs flex items-center justify-center gap-1">
@@ -17827,6 +17837,7 @@ const App = () => {
   }, [selectionStart, selectionEnd, bpm]);
   const [subTabHeight, setSubTabHeight] = useState(96);
   const [isExporting, setIsExporting] = useState(false);
+  const [exportProgress, setExportProgress] = useState(-1);
   const [projectName, setProjectName] = useState(() => localStorage.getItem('sonic_project_name') || '');
   const [currentProjectId, setCurrentProjectId] = useState(() => localStorage.getItem('sonic_project_id') || null);
   const [saveProjectModalOpen, setSaveProjectModalOpen] = useState(false);
@@ -28025,6 +28036,7 @@ const App = () => {
     if (!exportSettings.loop && allOnServer && serverStatus === 'connected') {
       // Use server-side export
       setIsExporting(true);
+      setExportProgress(-1);
       showToast("Đang gửi yêu cầu xuất âm thanh đến máy chủ...", "info");
       try {
         const sessionId = `session_${Date.now()}`;
@@ -28464,6 +28476,7 @@ const App = () => {
   };
   const clientSideExport = async (activeTracks, loopInfo) => {
     setIsExporting(true);
+    setExportProgress(5);
     showToast("Đang trộn âm thanh đa kênh (Offline Mixdown)...", "info");
     try {
       const targetRate = parseInt(exportSettings.sampleRate);
@@ -28579,7 +28592,10 @@ const App = () => {
           // trên tổng → master VST chain cuối chain. Đúng thứ tự live: track fx
           // → (sum) → master fx → out.
           let mix = null;
+          let vstTi = 0;
           for (const t of activeTracks) {
+            setExportProgress(10 + Math.round((vstTi / Math.max(1, activeTracks.length)) * 40));
+            vstTi++;
             const chain = activeVstChain(t.vstFxChain || []);
             const tctx = new OfflineAudioContext(2, Math.ceil(targetRate * Math.max(0.1, durationLimit)), targetRate);
             const tNodes = {};
@@ -28626,6 +28642,7 @@ const App = () => {
           });
           renderedBuffer = await offlineCtx.startRendering();
         }
+      setExportProgress(60);
       const numExportCh = renderedBuffer.numberOfChannels;
       const exportLength = renderedBuffer.length;
       const bytesPerSample = bitDepth / 8;
@@ -28653,6 +28670,7 @@ const App = () => {
       view.setUint32(40, exportLength * bytesPerSample * numExportCh, true);
       let offset = 44;
       for (let i = 0; i < exportLength; i++) {
+        if ((i & 0x3FFF) === 0) setExportProgress(60 + Math.round((i / Math.max(1, exportLength)) * 32));
         for (let ch = 0; ch < numExportCh; ch++) {
           const chData = renderedBuffer.getChannelData(ch);
           const sample = Math.max(-1, Math.min(1, chData[i]));
@@ -28675,8 +28693,10 @@ const App = () => {
         type: 'audio/wav'
       });
       const wavName = `sonicforge-session-${targetRate}hz-${bitDepth}bit.wav`;
+      setExportProgress(95);
       if ((exportSettings.format === 'mp3' || exportSettings.format === 'ogg') && serverStatus === 'connected') {
         setIsExporting(true);
+        setExportProgress(-1);
         showToast("Đang gửi yêu cầu nén định dạng lên máy chủ...", "info");
         try {
           const file = new File([blob], `session_export.wav`, { type: 'audio/wav' });
@@ -28765,6 +28785,7 @@ const App = () => {
     } catch (err) {
       showToast("Lỗi xuất âm thanh: " + err.message, "error");
     } finally {
+      setExportProgress(-1);
       setIsExporting(false);
     }
   };
@@ -34563,6 +34584,7 @@ STRICT CONSTRAINTS:
     exportSettings: exportSettings,
     setExportSettings: setExportSettings,
     isExporting: isExporting,
+    exportProgress: exportProgress,
     onExport: () => exportSettings.realtime ? triggerBounceExport() : triggerWavExport()
   }), instrumentSelectorTrackId && /*#__PURE__*/React.createElement("div", {
     className: "fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm",
diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js
index af41609..e9b95c8 100644
--- a/app/static/js/app.precompiled.js
+++ b/app/static/js/app.precompiled.js
@@ -857,7 +857,7 @@ const specMods=(spectrumModules?spectrumModules():null)||(getModule?[getModule()
 const applyAll=applyTo||(fn=>{if(typeof window!=='undefined'&&window.__getTrackFxModule){const a=window.__getTrackFxModule(track.id,'eqpro');if(a)fn(a);}if(typeof window!=='undefined'&&window.__getTrackSfFxModule){const b=window.__getTrackSfFxModule(track.id,'eqpro');if(b)fn(b);}});const onDown=e=>{const cv=canvasRef.current,w=cv.clientWidth,h=cv.clientHeight;const{x,y}=toLocal(e);const s=st.current;let hit=false;for(let i=0;i<s.bands.length;i++){const b=s.bands[i];if(Math.hypot(x-eqproFreqToX(b.freq,w),y-eqproGainToY(eqproNodeDb(b),h))<=10){s.selected=i;s.dragId=i;s.mode='center';hit=true;break;}}if(!hit&&s.selected!==null){const b=s.bands[s.selected];const nx=eqproFreqToX(b.freq,w),ny=eqproGainToY(eqproNodeDb(b),h),wo=eqproQToWing(b.q);if(Math.hypot(x-(nx-wo),y-ny)<=8||Math.hypot(x-(nx+wo),y-ny)<=8){s.dragId=s.selected;s.mode='wing';hit=true;}}if(!hit)s.selected=null;try{cv.setPointerCapture(e.pointerId);}catch(err){}setTick(t=>t+1);};const onMove=e=>{const s=st.current;if(s.dragId===null)return;const cv=canvasRef.current,w=cv.clientWidth,h=cv.clientHeight;const{x,y}=toLocal(e);const mx=Math.max(0,Math.min(w,x)),my=Math.max(0,Math.min(h,y));const b=s.bands[s.dragId];if(s.mode==='center'){const f=eqproClamp(parseFloat(eqproXToFreq(mx,w).toFixed(1)),EQPRO_F_MIN,EQPRO_F_MAX);// Filters without a Gain control (highpass/lowpass/notch/bandpass) stay on
 // the 0 dB axis — only frequency is draggable for them.
 const g=eqproBandHasGain(b.type)?eqproClamp(parseFloat(eqproYToGain(my,h).toFixed(1)),-EQPRO_MAX_DB,EQPRO_MAX_DB):0;b.freq=f;b.gain=g;applyAll(mm=>mm.setBand(s.dragId,{freq:f,gain:g}));}else if(s.mode==='wing'){const q=eqproWingToQ(Math.abs(mx-eqproFreqToX(b.freq,w)));b.q=q;applyAll(mm=>mm.setBand(s.dragId,{q}));}setTick(t=>t+1);};const onUp=e=>{const s=st.current;if(s.dragId!==null)commit();s.dragId=null;s.mode=null;try{canvasRef.current.releasePointerCapture(e.pointerId);}catch(err){}};const onWheel=e=>{e.preventDefault();const s=st.current;if(s.selected===null)return;const b=s.bands[s.selected];b.q=eqproClamp(parseFloat((b.q+(e.deltaY<0?0.2:-0.2)).toFixed(1)),0.1,18);applyAll(mm=>mm.setBand(s.selected,{q:b.q}));setTick(t=>t+1);};const onDblClick=e=>{const cv=canvasRef.current,w=cv.clientWidth,h=cv.clientHeight;const{x,y}=toLocal(e);const s=st.current;const hitIdx=s.bands.findIndex(b=>Math.hypot(x-eqproFreqToX(b.freq,w),y-eqproGainToY(b.gain,h))<=10);if(hitIdx!==-1){s.bands.splice(hitIdx,1);if(s.selected===hitIdx)s.selected=null;else if(s.selected!==null&&s.selected>hitIdx)s.selected--;}else{if(s.bands.length>=EQPRO_MAX_BANDS)return;s.bands.push({type:'peaking',freq:eqproClamp(parseFloat(eqproXToFreq(x,w).toFixed(1)),EQPRO_F_MIN,EQPRO_F_MAX),gain:eqproClamp(parseFloat(eqproYToGain(y,h).toFixed(1)),-EQPRO_MAX_DB,EQPRO_MAX_DB),q:1.2,active:true});s.selected=s.bands.length-1;}applyAll(mm=>mm.syncBands(s.bands));commit();setTick(t=>t+1);};const sel=st.current.selected!==null?st.current.bands[st.current.selected]:null;const selIdx=st.current.selected;const cvW=canvasRef.current?canvasRef.current.clientWidth:460;const cvH=240;const hudColor=selIdx!==null?EQPRO_BAND_COLORS[selIdx%EQPRO_BAND_COLORS.length]:EQPRO_BAND_COLORS[0];const hudXY=(()=>{if(st.current.hudPos){// Clamp so the HUD always stays inside the canvas area (buttons clickable).
-return{hx:Math.max(0,Math.min((canvasRef.current?canvasRef.current.clientWidth:460)-268,st.current.hudPos.hx)),hy:Math.max(0,Math.min((canvasRef.current?canvasRef.current.clientHeight:240)-225,st.current.hudPos.hy))};}if(!sel)return null;const nx=eqproFreqToX(sel.freq,cvW),ny=eqproGainToY(sel.gain,cvH);let hx=nx-130,hy=ny-195;if(hx<8)hx=8;if(hx>cvW-268)hx=cvW-268;if(hy<8)hy=ny+24;return{hx,hy};})();return/*#__PURE__*/React.createElement("div",{className:"space-y-2"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between text-[11px] font-mono"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-3"},/*#__PURE__*/React.createElement("span",{className:"text-slate-400"},"Bands: ",/*#__PURE__*/React.createElement("span",{className:"text-teal-300 font-bold"},st.current.bands.length),"/8"),/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1.5"},/*#__PURE__*/React.createElement("span",{className:"text-slate-400"},"Amount:"),/*#__PURE__*/React.createElement("input",{type:"range",min:0,max:200,value:st.current.amount,onChange:e=>{st.current.amount=parseInt(e.target.value);applyAll(mm=>mm.setAmount(st.current.amount));commit();setTick(t=>t+1);},className:"w-20 h-1 cursor-pointer",style:{accentColor:'#2dd4bf'}}),/*#__PURE__*/React.createElement("span",{className:"text-teal-300 font-bold w-10"},st.current.amount,"%"))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:()=>{const s=st.current;s.bands=JSON.parse(JSON.stringify(EQPRO_DEFAULT_BANDS));s.selected=null;applyAll(mm=>mm.syncBands(s.bands));commit();setTick(t=>t+1);},className:"px-2 py-1 bg-slate-800 hover:bg-red-900/60 text-slate-300 border border-slate-700 rounded text-[10px]"},"Reset"),/*#__PURE__*/React.createElement("button",{onClick:()=>{const s=st.current;if(s.bands.length>=EQPRO_MAX_BANDS)return;s.bands.push({type:'peaking',freq:1000,gain:0,q:1.0,active:true});s.selected=s.bands.length-1;applyAll(mm=>mm.syncBands(s.bands));commit();setTick(t=>t+1);},className:"px-2 py-1 bg-teal-900/50 hover:bg-teal-800 text-teal-300 border border-teal-700 rounded text-[10px]"},"+ Band"))),/*#__PURE__*/React.createElement("div",{className:"relative"},/*#__PURE__*/React.createElement("canvas",{ref:canvasRef,className:"w-full h-60 block cursor-crosshair rounded-lg border border-slate-800 bg-slate-950",onPointerDown:onDown,onPointerMove:onMove,onPointerUp:onUp,onWheel:onWheel,onDoubleClick:onDblClick}),sel&&hudXY&&/*#__PURE__*/React.createElement("div",{className:"absolute z-10 w-64 rounded-xl p-3 text-[11px] font-mono space-y-2 pointer-events-auto cursor-move",style:{left:hudXY.hx,top:hudXY.hy,background:'rgba(15,23,42,0.94)',border:'1px solid rgba(45,212,191,0.3)',boxShadow:'0 10px 30px rgba(0,0,0,0.8)',backdropFilter:'blur(12px)'},onPointerDown:e=>{const s=st.current;s.dragHud=true;const r=e.currentTarget.getBoundingClientRect();s.hudOffsetX=e.clientX-r.left;s.hudOffsetY=e.clientY-r.top;e.currentTarget.setPointerCapture(e.pointerId);},onPointerMove:e=>{const s=st.current;if(!s.dragHud)return;const cv=canvasRef.current;const w=cv?cv.clientWidth:460;s.hudPos={hx:Math.max(0,Math.min(w-268,e.clientX-s.hudOffsetX-(cv?cv.getBoundingClientRect().left:0))),hy:Math.max(0,e.clientY-s.hudOffsetY-(cv?cv.getBoundingClientRect().top:0))};setTick(t=>t+1);},onPointerUp:e=>{st.current.dragHud=false;try{e.currentTarget.releasePointerCapture(e.pointerId);}catch(err){}}},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between border-b border-slate-700/80 pb-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"w-4 h-4 rounded-full text-slate-950 font-bold flex items-center justify-center text-[10px]",style:{background:hudColor.badge}},selIdx+1),/*#__PURE__*/React.createElement("span",{className:"font-bold text-white uppercase tracking-wider"},"Band ",selIdx+1)),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{title:"Bypass band",onClick:()=>{const s=st.current;s.bands[s.selected].active=!s.bands[s.selected].active;applyAll(mm=>mm.setBand(s.selected,{active:s.bands[s.selected].active}));commit();setTick(t=>t+1);},className:`w-5 h-5 rounded flex items-center justify-center text-[10px] ${sel.active?'bg-slate-800 text-slate-400':'bg-amber-600 text-white'}`},/*#__PURE__*/React.createElement("i",{className:"fa-solid fa-power-off"})),/*#__PURE__*/React.createElement("button",{title:"Delete band",onClick:()=>{const s=st.current;s.bands.splice(s.selected,1);s.selected=null;applyAll(mm=>mm.syncBands(s.bands));commit();setTick(t=>t+1);},className:"w-5 h-5 rounded bg-slate-800 hover:bg-red-600 text-slate-400 hover:text-white flex items-center justify-center text-[10px]"},/*#__PURE__*/React.createElement("i",{className:"fa-solid fa-xmark"})))),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[9px] text-slate-400 uppercase tracking-widest mb-1"},"Filter Shape"),/*#__PURE__*/React.createElement("select",{value:sel.type,onChange:ev=>{const s=st.current;s.bands[s.selected].type=ev.target.value;applyAll(mm=>mm.setBand(s.selected,{type:ev.target.value}));commit();setTick(t=>t+1);},className:"w-full bg-slate-950 border border-slate-700 text-teal-300 rounded px-2 py-1 text-[11px] outline-none"},['peaking','highpass','lowpass','lowshelf','highshelf','notch','bandpass'].map(t=>/*#__PURE__*/React.createElement("option",{key:t,value:t},t==='peaking'?'Bell / Peaking':t==='highpass'?'Low Cut / High Pass':t==='lowpass'?'High Cut / Low Pass':t==='lowshelf'?'Low Shelf':t==='highshelf'?'High Shelf':t==='notch'?'Notch / Band Stop':'Band Pass')))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-2 text-center bg-slate-950/80 p-2 rounded-lg border border-slate-800"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("div",{className:"text-[9px] text-slate-500"},"FREQ"),/*#__PURE__*/React.createElement("div",{className:"text-teal-300 font-bold text-[11px]"},sel.freq>=1000?(sel.freq/1000).toFixed(2)+' kHz':Math.round(sel.freq)+' Hz')),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("div",{className:"text-[9px] text-slate-500"},"GAIN"),/*#__PURE__*/React.createElement("div",{className:"text-amber-400 font-bold text-[11px]"},eqproBandHasGain(sel.type)?(sel.gain>0?'+':'')+sel.gain.toFixed(1)+' dB':'0.0 dB')),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("div",{className:"text-[9px] text-slate-500"},"Q"),/*#__PURE__*/React.createElement("div",{className:"text-purple-400 font-bold text-[11px]"},sel.q.toFixed(1)))),/*#__PURE__*/React.createElement("div",{className:"text-[9px] text-slate-500 text-center"},"Drag center: Freq & Gain · Wings/Wheel: Q · Dbl-click: add/delete"))));};const ExportModal=({open,onClose,exportSettings,setExportSettings,isExporting,onExport})=>{if(!open)return null;const pickDir=async()=>{try{const r=await fetch(`${API_BASE_URL}/api/v1/plugins/pick-dir`,{method:'POST'});if(r.ok){const d=await r.json();if(d&&d.path)setExportSettings(p=>({...p,exportDir:d.path}));}}catch(e){}};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-[300] bg-black/70 backdrop-blur-sm flex items-center justify-center p-6",onClick:onClose},/*#__PURE__*/React.createElement("div",{className:"w-full max-w-2xl bg-slate-900 border border-slate-700 rounded-2xl shadow-2xl overflow-hidden",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("div",{className:"h-9 bg-slate-800/80 border-b border-slate-700 flex items-center justify-between px-3 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tên mặc định",className:"w-full bg-[#0d0d0d] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"})),/*#__PURE__*/React.createElement("div",{className:"flex items-end gap-2"},/*#__PURE__*/React.createElement("div",{className:"flex-1 min-w-0"},/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Thư mục export"),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5 bg-[#0d0d0d] border border-zinc-800 rounded px-1.5 py-0.5 min-h-[22px]"},/*#__PURE__*/React.createElement("i",{className:"fa-solid fa-folder text-cyan-400 text-[10px] shrink-0"}),exportSettings.exportDir?/*#__PURE__*/React.createElement("a",{className:"text-cyan-400 underline truncate cursor-pointer",title:exportSettings.exportDir,onClick:pickDir},exportSettings.exportDir):/*#__PURE__*/React.createElement("span",{className:"text-zinc-600 truncate"},"Chưa chọn — xuất sẽ mở Save-As"))),/*#__PURE__*/React.createElement("button",{onClick:pickDir,className:"shrink-0 px-2 py-1 bg-cyan-700 hover:bg-cyan-600 text-white rounded text-[10px] font-bold flex items-center gap-1"},/*#__PURE__*/React.createElement("i",{className:"fa-solid fa-folder-open text-[10px]"})," Chọn thư mục")),/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1.5 cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"checkbox",checked:!!exportSettings.rememberExportDir,onChange:e=>setExportSettings(p=>({...p,rememberExportDir:e.target.checked})),className:"accent-cyan-500 w-3.5 h-3.5"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-300"},"Lưu thư mục export làm mặc định"))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase 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dạng"),/*#__PURE__*/React.createElement("select",{value:exportSettings.format,onChange:e=>setExportSettings(p=>({...p,format:e.target.value,sampleRate:'44100',bitDepth:'float',quality:'44khz'})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"wav"},"WAV"),/*#__PURE__*/React.createElement("option",{value:"mp3"},"MP3"),/*#__PURE__*/React.createElement("option",{value:"ogg"},"OGG")))),exportSettings.format==='wav'?/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-2"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"SR (Hz)"),/*#__PURE__*/React.createElement("select",{value:exportSettings.sampleRate,onChange:e=>setExportSettings(p=>({...p,sampleRate:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"44100"},"44100"),/*#__PURE__*/React.createElement("option",{value:"48000"},"48000"),/*#__PURE__*/React.createElement("option",{value:"96000"},"96000"))),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Bit"),/*#__PURE__*/React.createElement("select",{value:exportSettings.bitDepth,onChange:e=>setExportSettings(p=>({...p,bitDepth:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"16"},"16"),/*#__PURE__*/React.createElement("option",{value:"24"},"24"),/*#__PURE__*/React.createElement("option",{value:"float"},"32 float"))),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Kênh"),/*#__PURE__*/React.createElement("select",{value:exportSettings.channels,onChange:e=>setExportSettings(p=>({...p,channels:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"mono"},"Mono"),/*#__PURE__*/React.createElement("option",{value:"stereo"},"Stereo")))):/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Chất lượng"),/*#__PURE__*/React.createElement("select",{value:exportSettings.quality,onChange:e=>setExportSettings(p=>({...p,quality:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"44khz"},"44kHz"),/*#__PURE__*/React.createElement("option",{value:"lossless"},"Lossless"))),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Kênh"),/*#__PURE__*/React.createElement("select",{value:exportSettings.channels,onChange:e=>setExportSettings(p=>({...p,channels:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"mono"},"Mono"),/*#__PURE__*/React.createElement("option",{value:"stereo"},"Stereo")))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2 bg-[#141414] border border-zinc-800 rounded px-2 py-1.5"},/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1.5 cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"checkbox",checked:!!exportSettings.dither,onChange:e=>setExportSettings(p=>({...p,dither:e.target.checked})),className:"accent-cyan-500 w-3.5 h-3.5"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-300"},"Dither TPDF (PCM 16/24)")),/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1.5 cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"checkbox",checked:!!exportSettings.normalize,onChange:e=>setExportSettings(p=>({...p,normalize:e.target.checked})),className:"accent-cyan-500 w-3.5 h-3.5"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-300"},"Normalize")),/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1.5 cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"checkbox",checked:!!exportSettings.monoCheck,onChange:e=>setExportSettings(p=>({...p,monoCheck:e.target.checked})),className:"accent-cyan-500 w-3.5 h-3.5"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-300"},"Cảnh báo mono (side/mid)")),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Normalize target"),/*#__PURE__*/React.createElement("select",{value:exportSettings.normalizeTarget,onChange:e=>setExportSettings(p=>({...p,normalizeTarget:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"-1dbtp"},"-1 dBTP"),/*#__PURE__*/React.createElement("option",{value:"-14lufs"},"-14 LUFS")))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 pt-1 bg-[#141414] border border-zinc-800 rounded px-2 py-1.5"},/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1.5 cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"checkbox",checked:!!exportSettings.loop,onChange:e=>setExportSettings(p=>({...p,loop:e.target.checked})),className:"accent-cyan-500 w-3.5 h-3.5"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-300"},"Xuất loop (không fade in / không fade out)")),exportSettings.loop&&/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1 ml-auto"},/*#__PURE__*/React.createElement("span",{className:"text-[7px] text-zinc-500 font-bold uppercase"},"Số ô nhịp"),/*#__PURE__*/React.createElement("input",{type:"number",min:"1",max:"256",value:exportSettings.loopBars,onChange:e=>setExportSettings(p=>({...p,loopBars:Math.max(1,parseInt(e.target.value)||1)})),className:"w-16 bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"}))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-2 pt-1 bg-[#141414] border border-zinc-800 rounded px-2 py-1.5"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Title (BWF/INFO)"),/*#__PURE__*/React.createElement("input",{type:"text",value:exportSettings.metaTitle,maxLength:"254",onChange:e=>setExportSettings(p=>({...p,metaTitle:e.target.value})),placeholder:"Tên bài",className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"})),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Artist"),/*#__PURE__*/React.createElement("input",{type:"text",value:exportSettings.metaArtist,maxLength:"254",onChange:e=>setExportSettings(p=>({...p,metaArtist:e.target.value})),placeholder:"Nghệ sĩ",className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"})),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"ISRC"),/*#__PURE__*/React.createElement("input",{type:"text",value:exportSettings.metaIsrc,maxLength:"12",onChange:e=>setExportSettings(p=>({...p,metaIsrc:e.target.value.toUpperCase()})),placeholder:"US-ABC-26-00001",className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"}))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 bg-[#141414] border border-zinc-800 rounded px-2 py-1.5"},/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1.5 cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"checkbox",checked:!!exportSettings.realtime,onChange:e=>setExportSettings(p=>({...p,realtime:e.target.checked})),className:"accent-cyan-500 w-3.5 h-3.5"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-300"},"Realtime (bounce — chạy lại project thật, giữ nguyên MIDI + FX Rack + Mastering Chain)"))),isExporting&&/*#__PURE__*/React.createElement("div",{className:"bg-[#141414] border border-zinc-800 rounded px-2 py-1.5"},/*#__PURE__*/React.createElement("div",{className:"h-1.5 bg-zinc-800 rounded-full overflow-hidden"},/*#__PURE__*/React.createElement("div",{className:"h-full bg-cyan-500 transition-all duration-200",style:{width:(exportProgress>=0?exportProgress:25)+'%'}})),/*#__PURE__*/React.createElement("div",{className:"text-[8px] text-zinc-500 mt-1"},exportProgress>=0?'Đang xuất... '+Math.round(exportProgress)+'%':'Đang xử lý...')),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2 pt-1"},/*#__PURE__*/React.createElement("button",{onClick:onExport,disabled:isExporting,className:"w-full py-1 bg-cyan-700 hover:bg-cyan-600 text-zinc-100 font-bold rounded text-xs flex items-center justify-center gap-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"download-cloud",className:"w-3 h-3"})," ",isExporting?'...':'Export'),/*#__PURE__*/React.createElement("button",{onClick:onClose,disabled:isExporting,className:"w-full py-1 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 font-bold rounded text-xs"},"Hủy")))));};// --- Embedded VST GUI (PLAN_MASTERBUS_VST_GUI_EMBED.md) --------------------
 // Frame-capture + input relay: hiển thị native GUI qua HTTP /frame (~10fps),
 // gửi pointer/key về bridge qua /input. Dùng chung MasteringModal + FXRackModal.
 // url = embed_url từ API fx-gui open (embed:true); onClose khi user đóng;
@@ -1141,7 +1141,7 @@ React.useEffect(()=>{window.__sfLoopSelection=isLoopingSelection;},[isLoopingSel
 useEffect(()=>{if(selectionStart===null||selectionEnd===null||selectionEnd<=selectionStart)return;const _beatDur=60/(parseInt(bpm)||120);const _secPerBar=_beatDur*4;const _b1=Math.floor((selectionStart||0)/_secPerBar);// endBar = bar KẾT THÚC vùng quét (chạm vạch) — KHÔNG trừ 1: quét 8 bars
 // từ bar 0 → hiển thị "0 đến 8" (user yêu cầu) — số bars = ceil − floor
 // (8 − 0 = 8 — KHÔNG cộng 1).
-const _b2=Math.ceil((selectionEnd||0)/_secPerBar);if(_b2>_b1){setBeginBar(_b1);setEndBar(_b2);setNumberBar(_b2-_b1);}},[selectionStart,selectionEnd,bpm]);const[subTabHeight,setSubTabHeight]=useState(96);const[isExporting,setIsExporting]=useState(false);const[projectName,setProjectName]=useState(()=>localStorage.getItem('sonic_project_name')||'');const[currentProjectId,setCurrentProjectId]=useState(()=>localStorage.getItem('sonic_project_id')||null);const[saveProjectModalOpen,setSaveProjectModalOpen]=useState(false);const[saveAsModalOpen,setSaveAsModalOpen]=useState(false);const[openProjectModalOpen,setOpenProjectModalOpen]=useState(false);const hasAnySolo=tracks.some(t=>t.solo);const[toastMessage,setToastMessage]=useState(null);const[audioDevices,setAudioDevices]=useState([]);const[midiDevices,setMidiDevices]=useState([]);const[selectedMidiInputId,setSelectedMidiInputId]=useState('');const selectedMidiInputIdRef=useRef('');const handleMidiInputSelect=id=>{setSelectedMidiInputId(id);selectedMidiInputIdRef.current=id;if(window.SonicRecorderManager){window.SonicRecorderManager.setSelectedMidiInputId(id);}};useEffect(()=>{if(navigator.mediaDevices&&navigator.mediaDevices.enumerateDevices){navigator.mediaDevices.enumerateDevices().then(devices=>{setAudioDevices(devices.filter(d=>d.kind==='audioinput'));}).catch(err=>console.log('Enumerate audio devices error:',err));}if(navigator.requestMIDIAccess){navigator.requestMIDIAccess().then(access=>{const inputs=[];function attachMidiHandler(input){input.onmidimessage=msg=>{// Filter by selected MIDI input device
+const _b2=Math.ceil((selectionEnd||0)/_secPerBar);if(_b2>_b1){setBeginBar(_b1);setEndBar(_b2);setNumberBar(_b2-_b1);}},[selectionStart,selectionEnd,bpm]);const[subTabHeight,setSubTabHeight]=useState(96);const[isExporting,setIsExporting]=useState(false);const[exportProgress,setExportProgress]=useState(-1);const[projectName,setProjectName]=useState(()=>localStorage.getItem('sonic_project_name')||'');const[currentProjectId,setCurrentProjectId]=useState(()=>localStorage.getItem('sonic_project_id')||null);const[saveProjectModalOpen,setSaveProjectModalOpen]=useState(false);const[saveAsModalOpen,setSaveAsModalOpen]=useState(false);const[openProjectModalOpen,setOpenProjectModalOpen]=useState(false);const hasAnySolo=tracks.some(t=>t.solo);const[toastMessage,setToastMessage]=useState(null);const[audioDevices,setAudioDevices]=useState([]);const[midiDevices,setMidiDevices]=useState([]);const[selectedMidiInputId,setSelectedMidiInputId]=useState('');const selectedMidiInputIdRef=useRef('');const handleMidiInputSelect=id=>{setSelectedMidiInputId(id);selectedMidiInputIdRef.current=id;if(window.SonicRecorderManager){window.SonicRecorderManager.setSelectedMidiInputId(id);}};useEffect(()=>{if(navigator.mediaDevices&&navigator.mediaDevices.enumerateDevices){navigator.mediaDevices.enumerateDevices().then(devices=>{setAudioDevices(devices.filter(d=>d.kind==='audioinput'));}).catch(err=>console.log('Enumerate audio devices error:',err));}if(navigator.requestMIDIAccess){navigator.requestMIDIAccess().then(access=>{const inputs=[];function attachMidiHandler(input){input.onmidimessage=msg=>{// Filter by selected MIDI input device
 const selId=selectedMidiInputIdRef.current;if(selId&&selId!=='ALL'&&input.id!==selId)return;console.log(`[DevLog] [Raw MIDI] Received from "${input.name}" (ID: ${input.id}) - Data:`,Array.from(msg.data));if(msg.data.length<3)return;const cmd=msg.data[0]>>4;const pitch=msg.data[1];const rawVel=msg.data[2];// Scale low MIDI velocity naturally (min 1, max 127)
 const scaledVel=Math.min(127,Math.max(1,Math.round(rawVel)));if(cmd===0x9&&rawVel>0){lastMidiNoteRef.current={pitch,velocity:scaledVel,startTime:performance.now(),length:0};setLastMidiNote({pitch,velocity:scaledVel,length:0,time:Date.now()});activeMidiPitchesRef.current.add(pitch);setActiveMidiPitches(new Set(activeMidiPitchesRef.current));// MIDI Keyboard → Mastering FX Chain (main out): đồng bộ routing
 // mastering + SF NGAY trước khi phát — âm MIDI keyboard hardware
@@ -2117,7 +2117,7 @@ const allT=activeTracksRef.current&&activeTracksRef.current.length?activeTracksR
 let loopStart=0,loopDur=0;if(exportSettings.loop){const loopSecPerBar=60.0/(parseFloat(bpm)||120)*4;loopStart=selectionStart!==null&&selectionEnd!==null&&selectionEnd>selectionStart?selectionStart:currentTime;loopDur=Math.max(0.1,(exportSettings.loopBars||4)*loopSecPerBar);const lctx=getAudioContext();exportTracks=exportTracks.map(t=>{if(!t.buffer)return null;const ls=Math.max(0,Math.floor(loopStart*lctx.sampleRate));const le=Math.min(t.buffer.length,Math.ceil((loopStart+loopDur)*lctx.sampleRate));if(le<=ls)return null;const buf=lctx.createBuffer(t.buffer.numberOfChannels,le-ls,t.buffer.sampleRate);for(let ch=0;ch<t.buffer.numberOfChannels;ch++){buf.copyToChannel(t.buffer.getChannelData(ch).subarray(ls,le),ch);}return{...t,buffer:buf,startTime:0,clips:[{id:'export_loop_clip',buffer:buf,startTime:0,name:t.name,speed:1}]};}).filter(Boolean);if(exportTracks.length===0){showToast("Vùng loop không có dữ liệu âm thanh.","warning");return;}}// Check if all active tracks have server file IDs
 const allOnServer=exportTracks.every(t=>serverFileIdMap[t.id]);// Loop đã cắt buffer phía client → không đi server path (server chỉ có file gốc)
 if(!exportSettings.loop&&allOnServer&&serverStatus==='connected'){// Use server-side export
-setIsExporting(true);showToast("Đang gửi yêu cầu xuất âm thanh đến máy chủ...","info");try{const sessionId=`session_${Date.now()}`;const tracksMeta=exportTracks.map(t=>({track_id:t.id,file_id:serverFileIdMap[t.id],volume_db:t.volumeDb,muted:false,clips:[{clip_id:`clip_${t.id}`,start_time_seconds:t.startTime||0,end_time_seconds:(t.startTime||0)+t.buffer.duration,loop_count:1,apply_zero_crossing:true,fade_in_ms:0,fade_out_ms:0}]}));const resp=await fetch(`${API_MULTITRACK}/mix`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({session_id:sessionId,export_settings:{sample_rate:parseInt(exportSettings.sampleRate),bit_depth:parseInt(exportSettings.bitDepth),format:exportSettings.format,channels:exportSettings.channels},tracks:tracksMeta})});if(!resp.ok)throw new Error(`Server export failed: ${resp.status}`);const data=await resp.json();showToast("Đang xử lý trên máy chủ...","info");// Poll for result
+setIsExporting(true);setExportProgress(-1);showToast("Đang gửi yêu cầu xuất âm thanh đến máy chủ...","info");try{const sessionId=`session_${Date.now()}`;const tracksMeta=exportTracks.map(t=>({track_id:t.id,file_id:serverFileIdMap[t.id],volume_db:t.volumeDb,muted:false,clips:[{clip_id:`clip_${t.id}`,start_time_seconds:t.startTime||0,end_time_seconds:(t.startTime||0)+t.buffer.duration,loop_count:1,apply_zero_crossing:true,fade_in_ms:0,fade_out_ms:0}]}));const resp=await fetch(`${API_MULTITRACK}/mix`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({session_id:sessionId,export_settings:{sample_rate:parseInt(exportSettings.sampleRate),bit_depth:parseInt(exportSettings.bitDepth),format:exportSettings.format,channels:exportSettings.channels},tracks:tracksMeta})});if(!resp.ok)throw new Error(`Server export failed: ${resp.status}`);const data=await resp.json();showToast("Đang xử lý trên máy chủ...","info");// Poll for result
 const result=await pollTaskResult(data.task_id,20);if(result.success){// Get the uploaded file from server
 const fileId=result.output_file_id||result.output_path?.split('/').pop();if(fileId){const downloadUrl=`${API_AUDIO}/download/${fileId}`;showToast("Xuất bản âm thanh từ máy chủ hoàn tất!","success","Tải về",async()=>{try{const br=await fetch(downloadUrl);if(!br.ok)throw new Error('HTTP '+br.status);const b=await br.blob();const sp=await saveExportViaDialog((projectName||'Project')+'.wav',b);if(sp)showToast(`Đã lưu → ${sp}`,"success");}catch(e){const a=document.createElement('a');a.href=downloadUrl;a.download=fileId;a.click();}});}}else{throw new Error(result.error||'Server processing failed');}}catch(err){showToast("Lỗi xuất máy chủ: "+err.message+". Chuyển sang xuất client.","warning");// Fall back to client-side export
 clientSideExport(exportTracks);}finally{setIsExporting(false);}}else{// Client-side export (existing working code)
@@ -2152,7 +2152,7 @@ var srcMidi=0,srcClip=0,srcSec=0;tracks.forEach(function(t){srcMidi+=(t.midiItem
 // Projects). Docker/headless: lưu lên Cloud (đã login) hoặc local (.sfs).
 const handleGlobalSave=async()=>{try{const finalName=projectName||'Dự án mới';const schemaObj=serializeProjectToSchema(currentProjectId||'proj_'+Date.now(),finalName,bpm,tracks,subTabs,sessionTabs,masteringSettings,masterVolume,{volL:masterVolL,volR:masterVolR,link:masterLink,muted:masterMuted});const dataJson=JSON.stringify(schemaObj);const runtime=window.SonicRuntime&&window.SonicRuntime.capabilities&&window.SonicRuntime.capabilities.runtime||'';if(runtime==='desktop'&&window.SonicAPI&&window.SonicAPI.saveProjectToDisk){// Desktop → thư mục của hệ điều hành
 const res=await window.SonicAPI.saveProjectToDisk(finalName,dataJson);showToast('Đã lưu dự án: '+(res&&res.path||finalName),'success');}else if(window.SonicAPI){// Docker / headless → Cloud (nếu đã đăng nhập), ngược lại local
-if(currentProjectId&&!currentProjectId.startsWith('local_')&&currentUser){await window.SonicAPI.updateCloudProject(currentProjectId,finalName,dataJson);showToast('Đã lưu dự án lên Cloud','success');}else if(currentUser){await handleSaveAsCloud(finalName);}else{handleSaveLocalProject(finalName);}}}catch(err){showToast('Lỗi lưu dự án: '+(err.message||err),'error');}};const handleGlobalSaveRef=useRef(handleGlobalSave);handleGlobalSaveRef.current=handleGlobalSave;useEffect(()=>{const handler=e=>{if((e.ctrlKey||e.metaKey)&&e.key.toLowerCase()==='s'){const target=e.target;if(target&&(target.tagName==='INPUT'||target.tagName==='TEXTAREA'||target.isContentEditable))return;e.preventDefault();handleGlobalSaveRef.current();}};window.addEventListener('keydown',handler);return()=>window.removeEventListener('keydown',handler);},[]);const handleSaveAsCloud=async newName=>{const projectSchemaObj=serializeProjectToSchema('project_'+Date.now(),newName,bpm,tracks,subTabs,sessionTabs,masteringSettings,masterVolume,{volL:masterVolL,volR:masterVolR,link:masterLink,muted:masterMuted});const dataJson=JSON.stringify(projectSchemaObj);try{const res=await window.SonicAPI.saveCloudProject(newName,dataJson);const newProjId=res.project_id;setProjectName(newName);localStorage.setItem('sonic_project_name',newName);if(newProjId){setCurrentProjectId(newProjId);localStorage.setItem('sonic_project_id',newProjId);}showToast(`Đã lưu dự án dưới tên mới "${newName}" lên server!`,"success");}catch(err){showToast(err.message||"Lỗi Save As lên server","error");}};const handleSaveCloud=handleSaveProject;const handleExportSFS=(customName=null)=>{const finalName=customName||projectName||'Dự án SonicForge';const projectSchemaObj=serializeProjectToSchema(currentProjectId||'proj_'+Date.now(),finalName,bpm,tracks,subTabs,sessionTabs,masteringSettings,masterVolume,{volL:masterVolL,volR:masterVolR,link:masterLink,muted:masterMuted});window.SonicStorage.exportProjectToSFS(projectSchemaObj);showToast("Đã xuất dự án (.sfs) thành công!","success");};const handleImportSFS=()=>{const input=document.createElement('input');input.type='file';input.accept='.sfs,application/json';input.onchange=async e=>{if(!e.target.files[0])return;try{const proj=await window.SonicStorage.importProjectFromSFSFile(e.target.files[0]);let restored=[];let restoredBpm=bpm;let restoredSessionTabs=[];let restoredSubTabs=[];if(proj.main_session){const result=deserializeProjectFromSchema(proj);restored=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;restoredSubTabs=result.subTabs;if(result.masteringSettings)setMasteringSettings(result.masteringSettings);if(result.masterVolume!==undefined&&result.masterVolume!==null)setMasterVolume(result.masterVolume);if(result.masterVolL!==undefined&&result.masterVolL!==null)setMasterVolL(result.masterVolL);if(result.masterVolR!==undefined&&result.masterVolR!==null)setMasterVolR(result.masterVolR);if(result.masterLink!==undefined&&result.masterLink!==null)setMasterLink(result.masterLink);if(result.masterMuted!==undefined&&result.masterMuted!==null)setMasterMuted(result.masterMuted);if(result.masterAutoVol!==undefined)setMasterAutoVol(result.masterAutoVol);if(result.masterAutoOn!==undefined)setMasterAutoOn(result.masterAutoOn);}else{restored=(proj.tracks||[]).map(t=>({...t,buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null}));}if(restored.length>0){setTracks(restored);loadAudioBuffersForTracks(restored);setBpm(restoredBpm.toString());setProjectName(proj.name||'Dự án mới');setCurrentProjectId(null);if(restoredSessionTabs.length>0)setSessionTabs(restoredSessionTabs);if(restoredSubTabs.length>0)setSubTabs(restoredSubTabs);localStorage.setItem('sonic_project_name',proj.name||'Dự án mới');localStorage.removeItem('sonic_project_id');showToast(`Đã nạp dự án "${proj.name||'Dự án mới'}" từ tệp .sfs thành công!`,"success");}}catch(err){showToast(err.message||"Lỗi mở tệp .sfs","error");}};input.click();};const clientSideExport=async(activeTracks,loopInfo)=>{setIsExporting(true);showToast("Đang trộn âm thanh đa kênh (Offline Mixdown)...","info");try{const targetRate=parseInt(exportSettings.sampleRate);const isFloatWav=exportSettings.bitDepth==='float';const bitDepth=isFloatWav?32:parseInt(exportSettings.bitDepth);// MAIN SESSION end time (items trên track main — sections theo bounds) —
+if(currentProjectId&&!currentProjectId.startsWith('local_')&&currentUser){await window.SonicAPI.updateCloudProject(currentProjectId,finalName,dataJson);showToast('Đã lưu dự án lên Cloud','success');}else if(currentUser){await handleSaveAsCloud(finalName);}else{handleSaveLocalProject(finalName);}}}catch(err){showToast('Lỗi lưu dự án: '+(err.message||err),'error');}};const handleGlobalSaveRef=useRef(handleGlobalSave);handleGlobalSaveRef.current=handleGlobalSave;useEffect(()=>{const handler=e=>{if((e.ctrlKey||e.metaKey)&&e.key.toLowerCase()==='s'){const target=e.target;if(target&&(target.tagName==='INPUT'||target.tagName==='TEXTAREA'||target.isContentEditable))return;e.preventDefault();handleGlobalSaveRef.current();}};window.addEventListener('keydown',handler);return()=>window.removeEventListener('keydown',handler);},[]);const handleSaveAsCloud=async newName=>{const projectSchemaObj=serializeProjectToSchema('project_'+Date.now(),newName,bpm,tracks,subTabs,sessionTabs,masteringSettings,masterVolume,{volL:masterVolL,volR:masterVolR,link:masterLink,muted:masterMuted});const dataJson=JSON.stringify(projectSchemaObj);try{const res=await window.SonicAPI.saveCloudProject(newName,dataJson);const newProjId=res.project_id;setProjectName(newName);localStorage.setItem('sonic_project_name',newName);if(newProjId){setCurrentProjectId(newProjId);localStorage.setItem('sonic_project_id',newProjId);}showToast(`Đã lưu dự án dưới tên mới "${newName}" lên server!`,"success");}catch(err){showToast(err.message||"Lỗi Save As lên server","error");}};const handleSaveCloud=handleSaveProject;const handleExportSFS=(customName=null)=>{const finalName=customName||projectName||'Dự án SonicForge';const projectSchemaObj=serializeProjectToSchema(currentProjectId||'proj_'+Date.now(),finalName,bpm,tracks,subTabs,sessionTabs,masteringSettings,masterVolume,{volL:masterVolL,volR:masterVolR,link:masterLink,muted:masterMuted});window.SonicStorage.exportProjectToSFS(projectSchemaObj);showToast("Đã xuất dự án (.sfs) thành công!","success");};const handleImportSFS=()=>{const input=document.createElement('input');input.type='file';input.accept='.sfs,application/json';input.onchange=async e=>{if(!e.target.files[0])return;try{const proj=await window.SonicStorage.importProjectFromSFSFile(e.target.files[0]);let restored=[];let restoredBpm=bpm;let restoredSessionTabs=[];let restoredSubTabs=[];if(proj.main_session){const result=deserializeProjectFromSchema(proj);restored=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;restoredSubTabs=result.subTabs;if(result.masteringSettings)setMasteringSettings(result.masteringSettings);if(result.masterVolume!==undefined&&result.masterVolume!==null)setMasterVolume(result.masterVolume);if(result.masterVolL!==undefined&&result.masterVolL!==null)setMasterVolL(result.masterVolL);if(result.masterVolR!==undefined&&result.masterVolR!==null)setMasterVolR(result.masterVolR);if(result.masterLink!==undefined&&result.masterLink!==null)setMasterLink(result.masterLink);if(result.masterMuted!==undefined&&result.masterMuted!==null)setMasterMuted(result.masterMuted);if(result.masterAutoVol!==undefined)setMasterAutoVol(result.masterAutoVol);if(result.masterAutoOn!==undefined)setMasterAutoOn(result.masterAutoOn);}else{restored=(proj.tracks||[]).map(t=>({...t,buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null}));}if(restored.length>0){setTracks(restored);loadAudioBuffersForTracks(restored);setBpm(restoredBpm.toString());setProjectName(proj.name||'Dự án mới');setCurrentProjectId(null);if(restoredSessionTabs.length>0)setSessionTabs(restoredSessionTabs);if(restoredSubTabs.length>0)setSubTabs(restoredSubTabs);localStorage.setItem('sonic_project_name',proj.name||'Dự án mới');localStorage.removeItem('sonic_project_id');showToast(`Đã nạp dự án "${proj.name||'Dự án mới'}" từ tệp .sfs thành công!`,"success");}}catch(err){showToast(err.message||"Lỗi mở tệp .sfs","error");}};input.click();};const clientSideExport=async(activeTracks,loopInfo)=>{setIsExporting(true);setExportProgress(5);showToast("Đang trộn âm thanh đa kênh (Offline Mixdown)...","info");try{const targetRate=parseInt(exportSettings.sampleRate);const isFloatWav=exportSettings.bitDepth==='float';const bitDepth=isFloatWav?32:parseInt(exportSettings.bitDepth);// MAIN SESSION end time (items trên track main — sections theo bounds) —
 // offline render không cắt sớm; MIDI cache (preview) giữ max với cache.
 // LOOP export: độ dài chính xác = loopDur (không kéo đuôi, không fade)
 let durationLimit=loopInfo&&loopInfo.loopDur?loopInfo.loopDur:Math.max(0.1,computeMainSessionEndTime(activeTracks));// Include preview-captured MIDI cache length (soundfont tracks have no clips)
@@ -2170,12 +2170,12 @@ try{if(masterBus&&masterBus.output){const mv=typeof masterVolume==='number'&&isF
 // VST chain qua fx_vst_bridge → cộng mix → mastering built-in 1 lần
 // trên tổng → master VST chain cuối chain. Đúng thứ tự live: track fx
 // → (sum) → master fx → out.
-let mix=null;for(const t of activeTracks){const chain=activeVstChain(t.vstFxChain||[]);const tctx=new OfflineAudioContext(2,Math.ceil(targetRate*Math.max(0.1,durationLimit)),targetRate);const tNodes={};const node=scheduleTrackInto(t,tctx,tNodes,true);if(!node)continue;const tb=await tctx.startRendering();try{if(node.fxStopFn)node.fxStopFn();}catch(e){}let pcm=audioBufferToInterleaved(tb).pcm;if(chain.length)pcm=await applyVstChainToPcm(pcm,targetRate,chain,t.name||'track');mix=mix?mixInterleaved(mix,pcm):pcm;}if(!mix)mix=new Float32Array(Math.ceil(targetRate*Math.max(0.1,durationLimit))*2);const mctx=new OfflineAudioContext(2,Math.floor(mix.length/2),targetRate);masterBus=null;initMasterBus(mctx);try{toggleMasteringOnMaster(!!(masteringSettings&&masteringSettings.masterConnected),!!(masteringSettings&&masteringSettings.isBypassed));}catch(e){console.warn('offline mastering toggle error (vst):',e);}try{if(masterBus&&masterBus.output){const mv=typeof masterVolume==='number'&&isFinite(masterVolume)?masterVolume:0;applyMasterVolumesTo(masterBus,masterVolL,masterLink?masterVolL:masterVolR,!!masterMuted,0);}}catch(e){console.warn('offline main-out volume error (vst):',e);}const src=mctx.createBufferSource();src.buffer=interleavedToAudioBuffer(mix,targetRate,2,mctx);src.connect(masterBus.input);src.start(0);renderedBuffer=await mctx.startRendering();if(masterVstOn){const conv=audioBufferToInterleaved(renderedBuffer);let outPcm=await applyVstChainToPcm(conv.pcm,targetRate,masterVstChain,'master');if(outChannels===1){const n=Math.floor(outPcm.length/2);const mono=new Float32Array(n);for(let i=0;i<n;i++)mono[i]=(outPcm[i*2]+outPcm[i*2+1])*0.5;outPcm=mono;}renderedBuffer=interleavedToAudioBuffer(outPcm,targetRate,outChannels,mctx);}}else{activeTracks.forEach(t=>{scheduleTrackInto(t,offlineCtx,offlineNodes,false);});renderedBuffer=await offlineCtx.startRendering();}const numExportCh=renderedBuffer.numberOfChannels;const exportLength=renderedBuffer.length;const bytesPerSample=bitDepth/8;const headerSize=44;const fileSizeBytes=headerSize+exportLength*bytesPerSample*numExportCh;const fileBuffer=new ArrayBuffer(fileSizeBytes);const view=new DataView(fileBuffer);const writeString=(offset,string)=>{for(let i=0;i<string.length;i++){view.setUint8(offset+i,string.charCodeAt(i));}};writeString(0,'RIFF');view.setUint32(4,fileSizeBytes-8,true);writeString(8,'WAVE');writeString(12,'fmt ');view.setUint32(16,16,true);view.setUint16(20,isFloatWav?3:1,true);view.setUint16(22,numExportCh,true);view.setUint32(24,targetRate,true);view.setUint32(28,targetRate*bytesPerSample*numExportCh,true);view.setUint16(32,bytesPerSample,true);view.setUint16(34,bitDepth,true);writeString(36,'data');view.setUint32(40,exportLength*bytesPerSample*numExportCh,true);let offset=44;for(let i=0;i<exportLength;i++){for(let ch=0;ch<numExportCh;ch++){const chData=renderedBuffer.getChannelData(ch);const sample=Math.max(-1,Math.min(1,chData[i]));if(bitDepth===8){view.setUint8(offset,Math.floor((sample+1.0)*127.5));}else if(bitDepth===16){view.setInt16(offset,Math.floor(sample<0?sample*0x8000:sample*0x7FFF),true);}else if(bitDepth===24){const val24=Math.floor(sample<0?sample*0x800000:sample*0x7FFFFF);view.setUint8(offset,val24&0xFF);view.setUint8(offset+1,val24>>8&0xFF);view.setUint8(offset+2,val24>>16&0xFF);}else if(isFloatWav){view.setFloat32(offset,sample,true);}offset+=bytesPerSample;}}const blob=new Blob([view],{type:'audio/wav'});const wavName=`sonicforge-session-${targetRate}hz-${bitDepth}bit.wav`;if((exportSettings.format==='mp3'||exportSettings.format==='ogg')&&serverStatus==='connected'){setIsExporting(true);showToast("Đang gửi yêu cầu nén định dạng lên máy chủ...","info");try{const file=new File([blob],`session_export.wav`,{type:'audio/wav'});const formData=new FormData();formData.append('file',file);const uploadResp=await fetch(`${API_AUDIO}/upload`,{method:'POST',body:formData});if(!uploadResp.ok)throw new Error("Upload to transcode server failed");const uploadData=await uploadResp.json();const fileId=uploadData.file_id;const exportResp=await fetch(`${API_AUDIO}/export`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({file_id:fileId,format:exportSettings.format,sample_rate:targetRate,bit_depth:bitDepth})});if(!exportResp.ok)throw new Error("Transcode request failed");const exportData=await exportResp.json();const result=await pollTaskResult(exportData.task_id,20);if(result.success){const outId=result.output_file_id;const downloadUrl=`${API_AUDIO}/download/${outId}`;showToast(`Xuất bản âm thanh định dạng ${exportSettings.format.toUpperCase()} thành công!`,"success","Tải về",async()=>{try{const br=await fetch(downloadUrl);if(!br.ok)throw new Error('HTTP '+br.status);const b=await br.blob();const sp=await saveExportViaDialog(`sonicforge-session-${targetRate}hz-${bitDepth}bit.${exportSettings.format}`,b);if(sp)showToast(`Đã lưu → ${sp}`,"success");}catch(e){const a=document.createElement('a');a.href=downloadUrl;a.download=`sonicforge-session-${targetRate}hz-${bitDepth}bit.${exportSettings.format}`;a.click();}});}else{throw new Error(result.error||'Server encoding failed');}}catch(transcodeErr){showToast(`Lỗi chuyển đổi: ${transcodeErr.message}.`,"warning","Tải WAV thay thế",()=>{downloadBlobViaServer(blob,wavName).catch(()=>{});});}}else{if(exportSettings.format!=='wav'){showToast("Đang ngoại tuyến. Tải về định dạng WAV thay thế.","warning");}const dres=await downloadBlobViaServer(blob,wavName).catch(()=>null);if(dres&&dres.saved_path){showToast(`Xuất bản âm thanh hoàn tất → ${dres.saved_path}`,"success");}else{showToast("Xuất bản âm thanh hoàn tất!","success");}}}finally{// Restore the LIVE master bus after offline render: initMasterBus(offlineCtx)
+let mix=null;let vstTi=0;for(const t of activeTracks){setExportProgress(10+Math.round(vstTi/Math.max(1,activeTracks.length)*40));vstTi++;const chain=activeVstChain(t.vstFxChain||[]);const tctx=new OfflineAudioContext(2,Math.ceil(targetRate*Math.max(0.1,durationLimit)),targetRate);const tNodes={};const node=scheduleTrackInto(t,tctx,tNodes,true);if(!node)continue;const tb=await tctx.startRendering();try{if(node.fxStopFn)node.fxStopFn();}catch(e){}let pcm=audioBufferToInterleaved(tb).pcm;if(chain.length)pcm=await applyVstChainToPcm(pcm,targetRate,chain,t.name||'track');mix=mix?mixInterleaved(mix,pcm):pcm;}if(!mix)mix=new Float32Array(Math.ceil(targetRate*Math.max(0.1,durationLimit))*2);const mctx=new OfflineAudioContext(2,Math.floor(mix.length/2),targetRate);masterBus=null;initMasterBus(mctx);try{toggleMasteringOnMaster(!!(masteringSettings&&masteringSettings.masterConnected),!!(masteringSettings&&masteringSettings.isBypassed));}catch(e){console.warn('offline mastering toggle error (vst):',e);}try{if(masterBus&&masterBus.output){const mv=typeof masterVolume==='number'&&isFinite(masterVolume)?masterVolume:0;applyMasterVolumesTo(masterBus,masterVolL,masterLink?masterVolL:masterVolR,!!masterMuted,0);}}catch(e){console.warn('offline main-out volume error (vst):',e);}const src=mctx.createBufferSource();src.buffer=interleavedToAudioBuffer(mix,targetRate,2,mctx);src.connect(masterBus.input);src.start(0);renderedBuffer=await mctx.startRendering();if(masterVstOn){const conv=audioBufferToInterleaved(renderedBuffer);let outPcm=await applyVstChainToPcm(conv.pcm,targetRate,masterVstChain,'master');if(outChannels===1){const n=Math.floor(outPcm.length/2);const mono=new Float32Array(n);for(let i=0;i<n;i++)mono[i]=(outPcm[i*2]+outPcm[i*2+1])*0.5;outPcm=mono;}renderedBuffer=interleavedToAudioBuffer(outPcm,targetRate,outChannels,mctx);}}else{activeTracks.forEach(t=>{scheduleTrackInto(t,offlineCtx,offlineNodes,false);});renderedBuffer=await offlineCtx.startRendering();}setExportProgress(60);const numExportCh=renderedBuffer.numberOfChannels;const exportLength=renderedBuffer.length;const bytesPerSample=bitDepth/8;const headerSize=44;const fileSizeBytes=headerSize+exportLength*bytesPerSample*numExportCh;const fileBuffer=new ArrayBuffer(fileSizeBytes);const view=new DataView(fileBuffer);const writeString=(offset,string)=>{for(let i=0;i<string.length;i++){view.setUint8(offset+i,string.charCodeAt(i));}};writeString(0,'RIFF');view.setUint32(4,fileSizeBytes-8,true);writeString(8,'WAVE');writeString(12,'fmt ');view.setUint32(16,16,true);view.setUint16(20,isFloatWav?3:1,true);view.setUint16(22,numExportCh,true);view.setUint32(24,targetRate,true);view.setUint32(28,targetRate*bytesPerSample*numExportCh,true);view.setUint16(32,bytesPerSample,true);view.setUint16(34,bitDepth,true);writeString(36,'data');view.setUint32(40,exportLength*bytesPerSample*numExportCh,true);let offset=44;for(let i=0;i<exportLength;i++){if((i&0x3FFF)===0)setExportProgress(60+Math.round(i/Math.max(1,exportLength)*32));for(let ch=0;ch<numExportCh;ch++){const chData=renderedBuffer.getChannelData(ch);const sample=Math.max(-1,Math.min(1,chData[i]));if(bitDepth===8){view.setUint8(offset,Math.floor((sample+1.0)*127.5));}else if(bitDepth===16){view.setInt16(offset,Math.floor(sample<0?sample*0x8000:sample*0x7FFF),true);}else if(bitDepth===24){const val24=Math.floor(sample<0?sample*0x800000:sample*0x7FFFFF);view.setUint8(offset,val24&0xFF);view.setUint8(offset+1,val24>>8&0xFF);view.setUint8(offset+2,val24>>16&0xFF);}else if(isFloatWav){view.setFloat32(offset,sample,true);}offset+=bytesPerSample;}}const blob=new Blob([view],{type:'audio/wav'});const wavName=`sonicforge-session-${targetRate}hz-${bitDepth}bit.wav`;setExportProgress(95);if((exportSettings.format==='mp3'||exportSettings.format==='ogg')&&serverStatus==='connected'){setIsExporting(true);setExportProgress(-1);showToast("Đang gửi yêu cầu nén định dạng lên máy chủ...","info");try{const file=new File([blob],`session_export.wav`,{type:'audio/wav'});const formData=new FormData();formData.append('file',file);const uploadResp=await fetch(`${API_AUDIO}/upload`,{method:'POST',body:formData});if(!uploadResp.ok)throw new Error("Upload to transcode server failed");const uploadData=await uploadResp.json();const fileId=uploadData.file_id;const exportResp=await fetch(`${API_AUDIO}/export`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({file_id:fileId,format:exportSettings.format,sample_rate:targetRate,bit_depth:bitDepth})});if(!exportResp.ok)throw new Error("Transcode request failed");const exportData=await exportResp.json();const result=await pollTaskResult(exportData.task_id,20);if(result.success){const outId=result.output_file_id;const downloadUrl=`${API_AUDIO}/download/${outId}`;showToast(`Xuất bản âm thanh định dạng ${exportSettings.format.toUpperCase()} thành công!`,"success","Tải về",async()=>{try{const br=await fetch(downloadUrl);if(!br.ok)throw new Error('HTTP '+br.status);const b=await br.blob();const sp=await saveExportViaDialog(`sonicforge-session-${targetRate}hz-${bitDepth}bit.${exportSettings.format}`,b);if(sp)showToast(`Đã lưu → ${sp}`,"success");}catch(e){const a=document.createElement('a');a.href=downloadUrl;a.download=`sonicforge-session-${targetRate}hz-${bitDepth}bit.${exportSettings.format}`;a.click();}});}else{throw new Error(result.error||'Server encoding failed');}}catch(transcodeErr){showToast(`Lỗi chuyển đổi: ${transcodeErr.message}.`,"warning","Tải WAV thay thế",()=>{downloadBlobViaServer(blob,wavName).catch(()=>{});});}}else{if(exportSettings.format!=='wav'){showToast("Đang ngoại tuyến. Tải về định dạng WAV thay thế.","warning");}const dres=await downloadBlobViaServer(blob,wavName).catch(()=>null);if(dres&&dres.saved_path){showToast(`Xuất bản âm thanh hoàn tất → ${dres.saved_path}`,"success");}else{showToast("Xuất bản âm thanh hoàn tất!","success");}}}finally{// Restore the LIVE master bus after offline render: initMasterBus(offlineCtx)
 // ghi đè cả `masterBus` lẫn `window.masterBus` bằng graph OfflineAudioContext
 // (state closed) → track route (window.masterBus.input) đổ vào context câm →
 // play/bounce sau export CÂM. Khôi phục bus live (giữ wiring cũ nếu còn sống,
 // ngược lại rebuild graph trên audioCtx thật) và luôn trả lại window.masterBus.
-try{const liveCtx=audioCtx;let restored=savedMasterBus;if(!(restored&&liveCtx&&restored.output&&restored.output.context===liveCtx&&liveCtx.state!=='closed')){masterBus=null;initMasterBus(liveCtx||getAudioContext());restored=masterBus;}masterBus=restored;window.masterBus=restored;}catch(e){masterBus=savedMasterBus;window.masterBus=savedMasterBus;}try{toggleMasteringOnMaster(!!(masteringSettings&&masteringSettings.masterConnected),!!(masteringSettings&&masteringSettings.isBypassed));}catch(e){}Object.keys(offlineNodes).forEach(k=>{try{if(offlineNodes[k].fxStopFn)offlineNodes[k].fxStopFn();}catch(e){}});}}catch(err){showToast("Lỗi xuất âm thanh: "+err.message,"error");}finally{setIsExporting(false);}};// ── AI Analysis (server-side with fallback) ──
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+const tid=selectedTrackId||activeTracks&&activeTracks[0]&&activeTracks[0].id;if(tid&&inst&&inst.instrumentId){setTrackInstrumentWithProgram(tid,inst.instrumentId,inst.program,inst.displayName||inst.name,inst.bank);showToast('Đã chèn nhạc cụ: '+(inst.displayName||inst.name),'success');}setPluginManagerModalOpen(false);}}),/*#__PURE__*/React.createElement(AIPresetModal,{isOpen:aiPresetModalOpen,onClose:()=>{setAiPresetModalOpen(false);setAiPresetVersion(v=>v+1);}}),/*#__PURE__*/React.createElement(MasteringModal,{isOpen:showMasteringModal,onClose:()=>setShowMasteringModal(false),masteringSettings:masteringSettings,setMasteringSettings:setMasteringSettings}),fxRackTarget&&/*#__PURE__*/React.createElement(FXRackModal,{track:(activeTracksRef.current||[]).find(t=>t.id===fxRackTarget.trackId)||tracks.find(t=>t.id===fxRackTarget.trackId)||null,onUpdateTrack:updateTrackProp,onClose:()=>setFxRackTarget(null)}),vkbOpen&&/*#__PURE__*/React.createElement(VirtualMidiKeyboard,{settings:vkbSettings,onChange:vkbUpdateSettings,tracks:activeTracks,activePitches:activeMidiPitches,onNoteOn:vkbNoteOn,onNoteOff:vkbNoteOff,onClose:()=>window.__toggleVkb()}),chordsPanelOpen&&/*#__PURE__*/React.createElement(ChordsPanel,{onClose:()=>window.__toggleChordsPanel(),onInsert:insertChordProgression,onNoteOn:vkbNoteOn,onNoteOff:vkbNoteOff,bpm:bpm}),/*#__PURE__*/React.createElement(ExportModal,{open:showExportPanel,onClose:()=>setShowExportPanel(false),exportSettings:exportSettings,setExportSettings:setExportSettings,isExporting:isExporting,exportProgress:exportProgress,onExport:()=>exportSettings.realtime?triggerBounceExport():triggerWavExport()}),instrumentSelectorTrackId&&/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm",onClick:closeInstrumentSelector},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-4xl p-5 text-slate-200",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("div",{className:"flex justify-between items-center pb-3 border-b border-[#383838]"},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-amber-400"},"Select Instrument"),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("select",{value:instrumentSelectorTrackId||'',onChange:e=>{var tid=e.target.value;if(tid){openInstrumentSelector(tid);}},className:"bg-[#1e1e1e] text-zinc-300 border border-zinc-700 rounded px-2 py-1 text-xs font-mono cursor-pointer"},activeTracks.map(function(at){return/*#__PURE__*/React.createElement("option",{key:at.id,value:at.id},at.name+' ('+(at.instrumentName||'Synth')+')');})),/*#__PURE__*/React.createElement("button",{onClick:closeInstrumentSelector,className:"text-slate-400 hover:text-slate-200"},"\u2715"))),/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"T\u00ecm nh\u1ea1c c\u1ee5...",value:sfPresetSearchQuery,onChange:e=>setSfPresetSearchQuery(e.target.value),autoFocus:true,className:"w-full bg-black border border-zinc-700 rounded px-2 py-1.5 outline-none my-3 text-sm"}),/*#__PURE__*/React.createElement("div",{className:"flex gap-4",style:{height:"420px"}},/*#__PURE__*/React.createElement("div",{className:"w-1/3 border-r border-[#383838] overflow-y-auto space-y-0.5 pr-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setSelectedSoundFontId(null);setSynthCategory(null);},className:"w-full text-left px-3 py-2 text-sm rounded "+(!selectedSoundFontId?"bg-amber-700 text-white":"bg-zinc-800 hover:bg-zinc-700 text-zinc-300")},"All Instruments"),(instrumentSelectorData?.soundfonts||[]).map(sf=>{const sfId=sf.id.startsWith('sf_')?sf.id:'sf_'+sf.id;const sfName=sf.display||sf.name||sf.id;return/*#__PURE__*/React.createElement("button",{key:sfId,onClick:()=>{setSelectedSoundFontId(sfId);setSfPresets(null);const baseId=sfId.replace('sf_','');window.SonicAPI.listSoundfontInstruments(baseId).then(data=>{if(data&&data.presets){const mapping=data.presets.map(p=>({...p,_sfId:sfId,_sfName:sfName,_sfDisplay:sfName.substring(0,30)}));setSfPresets(mapping);setInstrumentSelectorData(prev=>prev?{...prev,soundfonts:(prev.soundfonts||[]).map(s=>s.id===sf.id?{...s,presets:data.presets}:s)}:prev);}else{setSfPresets([]);}}).catch(()=>{setSfPresets([]);});},className:"w-full text-left px-3 py-2 text-sm rounded "+(selectedSoundFontId===sfId?"bg-amber-700 text-white":"bg-zinc-800 hover:bg-zinc-700 text-zinc-300")},sfName);}),// ── VST Instruments (scanned bởi Plugin Manager) ──
 instrumentSelectorData?.vst_instruments?.length>0&&/*#__PURE__*/React.createElement("div",{className:"mt-3 text-[10px] text-zinc-500 uppercase font-bold px-1 flex items-center gap-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-3 h-3 text-violet-400"}),"VST Instruments"),(instrumentSelectorData?.vst_instruments||[]).map(v=>/*#__PURE__*/React.createElement("button",{key:'vst_modal_'+(v.id||v.name),onClick:()=>{setTrackInstrumentWithUndo(instrumentSelectorTrackId,v.id,v.name||v.id);closeInstrumentSelector();},className:"w-full text-left px-3 py-2 text-sm rounded bg-zinc-800 hover:bg-violet-800 text-zinc-300 flex items-center justify-between gap-2"},/*#__PURE__*/React.createElement("span",{className:"truncate"},v.name||v.id),/*#__PURE__*/React.createElement("span",{className:"text-[9px] text-cyan-400 shrink-0"},v.type||"VST")))),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto space-y-0.5"},/*#__PURE__*/React.createElement("button",{onClick:()=>setTrackInstrumentWithUndo(instrumentSelectorTrackId,null),className:"w-full text-left px-3 py-2 text-sm rounded bg-zinc-800 hover:bg-zinc-700 text-zinc-400"},"None (Default Synth)"),sfPresets===null?(/*#__PURE__*/React.createElement("p",{className:"text-sm text-zinc-500 py-2"},"Loading instruments...")):sfPresets.length>0?sfPresets.filter(p=>!selectedSoundFontId||p._sfId===selectedSoundFontId).filter(p=>!sfPresetSearchQuery||(p.name||'').toLowerCase().includes(sfPresetSearchQuery.toLowerCase())||(p._sfName||'').toLowerCase().includes(sfPresetSearchQuery.toLowerCase())).map((p,i)=>/*#__PURE__*/React.createElement("button",{key:i,onClick:()=>setTrackInstrumentWithUndo(instrumentSelectorTrackId,p._sfId,p.name||'Preset '+p.program,p.bank,p.program),onDoubleClick:()=>{setTrackInstrumentWithUndo(instrumentSelectorTrackId,p._sfId,p.name||'Preset '+p.program,p.bank,p.program);closeInstrumentSelector();},className:"w-full text-left px-3 py-2 text-sm rounded bg-zinc-800/60 hover:bg-amber-800 text-zinc-300 truncate flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500 shrink-0"},p._sfDisplay),p.bank===128?/*#__PURE__*/React.createElement("span",{className:"mr-1"},"🥁"):null,p.name||'Preset '+p.program)):(/*#__PURE__*/React.createElement("p",{className:"text-sm text-zinc-500 py-2"},sfPresetSearchQuery?"Kh\u00f4ng t\u00ecm th\u1ea5y nh\u1ea1c c\u1ee5 ph\u00f9 h\u1ee3p.":"No presets found.")))))),fxSelectorTrackId&&/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm",onClick:()=>setFxSelectorTrackId(null)},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-64 p-4 text-slate-200",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-purple-400 mb-3"},"Track FX"),/*#__PURE__*/React.createElement("div",{className:"space-y-1"},/*#__PURE__*/React.createElement("button",{onClick:()=>handleSetTrackFx(fxSelectorTrackId,null),className:"w-full text-left px-3 py-2 text-xs rounded bg-zinc-800 hover:bg-zinc-700 text-zinc-400"},"None"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSetTrackFx(fxSelectorTrackId,'chorus'),className:"w-full text-left px-3 py-2 text-xs rounded bg-zinc-800 hover:bg-cyan-800 text-cyan-300"},"Chorus"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSetTrackFx(fxSelectorTrackId,'reverb'),className:"w-full text-left px-3 py-2 text-xs rounded bg-zinc-800 hover:bg-purple-800 text-purple-300"},"Reverb")))),instrumentDropdownTrackId&&instrumentDropdownBtnRect&&/*#__PURE__*/React.createElement("div",{"data-instr-dropdown":"",className:"fixed z-[100] bg-[#1e1e1e] border border-zinc-700 rounded shadow-xl w-[220px] max-h-[300px] flex flex-col",style:{top:instrumentDropdownBtnRect.bottom+4,left:Math.max(4,Math.min(instrumentDropdownBtnRect.left,window.innerWidth-224))}},/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"T\u00ecm nh\u1ea1c c\u1ee5...",value:instrumentSearchQuery,onChange:e=>setInstrumentSearchQuery(e.target.value),autoFocus:true,className:"w-full bg-black border-b border-zinc-700 px-2 py-1.5 text-xs outline-none"}),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto"},/*#__PURE__*/React.createElement("button",{onClick:()=>setTrackInstrumentWithUndo(instrumentDropdownTrackId,null),className:"w-full text-left px-3 py-1.5 text-xs bg-zinc-800 hover:bg-zinc-700 text-zinc-400"},"None (Default Synth)"),filteredInstruments.soundfonts.length>0&&/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 px-3 py-1 mt-1 uppercase font-bold"},"SoundFonts"),filteredInstruments.soundfonts.map((sf,i)=>/*#__PURE__*/React.createElement("button",{key:"sfd_"+i,onClick:()=>{setInstrumentDropdownTrackId(null);setInstrumentDropdownBtnRect(null);setTrackInstrumentWithUndo(instrumentDropdownTrackId,"sf_"+sf.id,sf.display||sf.name||sf.id,undefined,undefined);},className:"w-full text-left px-3 py-1.5 text-xs bg-zinc-800 hover:bg-amber-800 text-zinc-200 flex items-center justify-between"},/*#__PURE__*/React.createElement("span",{className:"truncate"},sf.display||sf.name||sf.id),/*#__PURE__*/React.createElement("span",{className:"text-[10px] text-amber-400 shrink-0 ml-1"},"SF"))),filteredInstruments.vst.length>0&&/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 px-3 py-1 mt-1 uppercase font-bold"},"VST Instruments"),filteredInstruments.vst.map((v,i)=>/*#__PURE__*/React.createElement("div",{key:"vstd_"+i,className:"flex items-stretch"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setInstrumentDropdownTrackId(null);setInstrumentDropdownBtnRect(null);setTrackInstrumentWithUndo(instrumentDropdownTrackId,v.id,v.name||v.id);},className:"flex-1 min-w-0 text-left px-3 py-1.5 text-xs bg-zinc-800 hover:bg-violet-800 text-zinc-200 flex items-center justify-between"},/*#__PURE__*/React.createElement("span",{className:"truncate"},v.name||v.id),/*#__PURE__*/React.createElement("span",{className:"text-[10px] text-cyan-400 shrink-0 ml-1"},v.type||"VST")))),filteredInstruments.vst.length>0&&/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 px-3 py-1 mt-1 uppercase font-bold"},"VST Presets (.vstpreset)"),(window.SonicRuntime&&window.SonicRuntime.presets||[]).map((p,i)=>/*#__PURE__*/React.createElement("button",{key:"psd_"+i,onClick:()=>setTrackPreset(instrumentDropdownTrackId,p.id),className:"w-full text-left px-3 py-1 text-xs bg-zinc-800 hover:bg-emerald-800 text-zinc-300 flex items-center justify-between"},/*#__PURE__*/React.createElement("span",{className:"truncate"},p.name||p.id),/*#__PURE__*/React.createElement("span",{className:"text-[10px] text-emerald-400 shrink-0 ml-1"},"PRESET"))),/*#__PURE__*/React.createElement("button",{onClick:()=>{const inp=document.createElement('input');inp.type='file';inp.accept='.vstpreset,.fxp,.fxb,.dspreset';inp.onchange=()=>{const f=inp.files&&inp.files[0];if(!f)return;window.SonicAPI.uploadPreset(f).then(function(r){if(r&&r.success){if(window.SonicRuntime)window.SonicRuntime.refreshPresets();showToast('Đã upload preset: '+(r.original_name||r.name||''),'success');}else{showToast('Upload preset thất bại','error');}}).catch(function(err){showToast('Upload lỗi: '+(err.message||err),'error');});};inp.click();},className:"w-full text-left px-3 py-1 text-xs bg-zinc-800 hover:bg-teal-800 text-teal-300 border-t border-zinc-700",title:"Upload preset .vstpreset xuất từ native GUI"},"\u2B06 Upload preset (t\u1EEB native GUI...)"),!filteredInstruments.soundfonts.length&&!filteredInstruments.vst.length&&/*#__PURE__*/React.createElement("p",{className:"text-xs text-zinc-500 py-4 text-center"},"Kh\u00f4ng t\u00ecm th\u1ea5y nh\u1ea1c c\u1ee5 n\u00e0o"))));};// React onWheel is passive -> e.preventDefault() can't stop panel scroll, so the
 // ruler slips away from the cursor mid-scroll. Native capture listener (non-passive)
 // blocks scrolling whenever the wheel starts over a [data-sf-wheel] container.
diff --git a/app/templates/index.html b/app/templates/index.html
index f8bc1f7..9c2b34b 100644
--- a/app/templates/index.html
+++ b/app/templates/index.html
@@ -51,7 +51,7 @@
     <script src="/static/js/services/promptTemplateManager.js?v=202607281039"></script>
     <script src="/static/js/services/undoRedoEngine.js?v=202607290941"></script>
     <script src="/static/js/services/chordTheory.js?v=202608211300"></script>
-    <script src="/static/js/app.precompiled.js?v=202608232330" defer></script>
+    <script src="/static/js/app.precompiled.js?v=202608232345" defer></script>
     <link rel="stylesheet" href="/static/css/styles.css?v=202607271016">
     <style>
         :root {