diff --git a/app/api/v1/plugins.py b/app/api/v1/plugins.py
index e32b449..af3a4ab 100644
--- a/app/api/v1/plugins.py
+++ b/app/api/v1/plugins.py
@@ -1257,7 +1257,7 @@ def render_project(
     try:
         result_path = engine.render_project(
             req.project_json, output_path,
-            bit_depth=req.bit_depth or 32,
+            bit_depth=req.bit_depth or 16,
             out_sample_rate=req.sample_rate or 0,
             dither=bool(req.dither),
             normalize=bool(req.normalize),
diff --git a/app/core/render_engine.py b/app/core/render_engine.py
index 6fc6f76..30d1834 100644
--- a/app/core/render_engine.py
+++ b/app/core/render_engine.py
@@ -996,7 +996,8 @@ class PythonRenderEngine:
                     if np.isfinite(_tp):
                         master_buffer *= 10 ** ((-1.0 - _tp) / 20.0)
 
-            # Write final output file (D3: PCM_16/PCM_24 + dither, FLOAT mac dinh).
+            # Write final output file (D3: PCM_16/PCM_24 + dither, PCM_16 mac dinh —
+            # 32-bit float WAV bi Windows Media Player va nhieu app khac tu choi).
             # OGG: Vorbis float lossy — bỏ dither/PCM/BWF (chunk WAV-only).
             ext = os.path.splitext(output_filepath)[1].lower()
             if ext == ".ogg":
@@ -1009,7 +1010,8 @@ class PythonRenderEngine:
                 sf.write(output_filepath, _quantize_pcm(master_buffer, 24, dither).T,
                          out_sr, subtype="PCM_24")
             else:
-                sf.write(output_filepath, master_buffer.T, out_sr, subtype="FLOAT")
+                sf.write(output_filepath, _quantize_pcm(master_buffer, 16, dither).T,
+                         out_sr, subtype="PCM_16")
             # Gap 13: BWF/INFO chunks (bext + LIST/INFO title/artist/ISRC) —
             # chen sau khi ghi PCM, loi metadata khong lam hong file audio.
             if metadata and ext != ".ogg":
diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx
index 9558de3..8f6f7fe 100644
--- a/app/static/js/app.jsx
+++ b/app/static/js/app.jsx
@@ -12497,7 +12497,7 @@ const ExportModal = ({ open, onClose, exportSettings, setExportSettings, isExpor
             <div>
               <label className="block text-[7px] text-zinc-500 font-bold uppercase mb-0.5">Định dạng</label>
               <select value={exportSettings.format}
-                onChange={e => setExportSettings(p => ({ ...p, format: e.target.value, sampleRate: '44100', bitDepth: 'float', quality: '44khz' }))}
+                onChange={e => setExportSettings(p => ({ ...p, format: e.target.value, sampleRate: '44100', bitDepth: '16', 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">
                 <option value="wav">WAV</option>
                 <option value="mp3">MP3</option>
@@ -18431,7 +18431,7 @@ const App = () => {
     try { remExpDir = localStorage.getItem('sonic_remember_export_dir') === '1'; } catch (e) { }
     return {
       sampleRate: '44100',
-      bitDepth: 'float',
+      bitDepth: '16',
       format: 'wav',
       source: 'project',
       quality: '44khz',
diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js
index 3cc0fdf..c101e4c 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,exportProgress,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 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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 mb-0.5"},"Nguồn"),/*#__PURE__*/React.createElement("select",{value:exportSettings.source,onChange:e=>setExportSettings(p=>({...p,source: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:"project"},"Project (Mix)"),/*#__PURE__*/React.createElement("option",{value:"track_mix"},"Track Selection"),/*#__PURE__*/React.createElement("option",{value:"active_clip"},"Active Clip"),/*#__PURE__*/React.createElement("option",{value:"clip_selection"},"Clip Selection"))),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Định 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 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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)")))),/*#__PURE__*/React.createElement("div",{className:"p-4 pt-3 border-t border-slate-700 space-y-2"},/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2"},/*#__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")))));};// ── Export progress modal (RIÊNG, không dùng statusbar — vị trí đó cho tools) ──
 // Settings modal đóng ngay khi bấm Export; modal này hiện tiến trình render +
 // encode + ghi file, tự đóng khi xong (success/error qua toast).
 const ExportProgressModal=({open,exportProgress,isExporting,onClose})=>{if(!open)return null;return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-[310] bg-black/70 backdrop-blur-sm flex items-center justify-center p-6"},/*#__PURE__*/React.createElement("div",{className:"w-full max-w-md bg-slate-900 border border-slate-700 rounded-2xl shadow-2xl overflow-hidden"},/*#__PURE__*/React.createElement("div",{className:"h-9 bg-slate-800/80 border-b border-slate-700 flex items-center justify-between px-3 select-none"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-cyan-300 font-mono flex items-center gap-1.5"},/*#__PURE__*/React.createElement("span",{className:"w-3 h-3 border-2 border-cyan-300 border-t-transparent rounded-full animate-spin"}),"ĐANG XUẤT ÂM THANH")),/*#__PURE__*/React.createElement("div",{className:"p-5 space-y-3"},/*#__PURE__*/React.createElement("div",{className:"h-2.5 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-xs text-zinc-400 text-center"},exportProgress>=0?'Đang xuất... '+Math.round(exportProgress)+'%':'Đang xử lý...'),!isExporting&&/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"w-full py-1.5 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 font-bold rounded text-xs"},"Đóng"))));};// --- Embedded VST GUI (PLAN_MASTERBUS_VST_GUI_EMBED.md) --------------------
@@ -1218,7 +1218,7 @@ const[masterMuted,setMasterMuted]=useState(false);// MUTE master
 const[masterAutoVol,setMasterAutoVol]=useState([]);// Gap 7: master volume automation [{time s, db}]
 const[masterAutoOn,setMasterAutoOn]=useState(false);// Gap 7: automation active
 React.useEffect(()=>{window.__masterAutoVol=masterAutoVol;window.__masterAutoOn=masterAutoOn;},[masterAutoVol,masterAutoOn]);React.useEffect(()=>{if(isPlaying&&typeof applyMasterAutomationSchedule==='function'){try{applyMasterAutomationSchedule(currentTimeRef.current||0);}catch(e){console.warn('[Auto] reschedule error:',e);}}},[masterAutoVol,masterAutoOn,isPlaying]);const[masterVU,setMasterVU]=useState(0);// 0-1
-const[masterMeterPeak,setMasterMeterPeak]=useState(0);const[rightSidebarWidth,setRightSidebarWidth]=useState(320);const[tcpWidth,setTcpWidth]=useState(320);const[mediaExplorerHeight,setMediaExplorerHeight]=useState(50);const[panelPositions,setPanelPositions]=useState({export:'bottom',ai:'right',python_tools:'bottom',selection:'bottom',media_explorer:'bottom',fx_rack:'bottom',midi_events:'bottom'});const[panelDropZone,setPanelDropZone]=useState(null);const[dragGhostPos,setDragGhostPos]=useState(null);const[dragGhostPanel,setDragGhostPanel]=useState(null);const panelDragRef=useRef(null);const trackVuRefs=useRef({});const workspaceRef=useRef(null);const colResizerRef=useRef(null);const rowResizerRef=useRef(null);const[aiConfig,setAiConfig]=useState({baseUrl:localStorage.getItem('ai_base_url')||`${API_BASE_URL}`,apiKey:localStorage.getItem('ai_api_key')||'',model:localStorage.getItem('ai_model')||'deepseek-chat'});const[aiProviders,setAiProviders]=useState([]);useEffect(()=>{(async()=>{try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){/* server may not have config endpoint */}})();},[]);const[analysisState,setAnalysisState]=useState({status:'Sẵn sàng. Chạy AI để phân tích nhịp.',data:null,isRunning:false});const[aiPrompt,setAiPrompt]=useState('');const[aiComposeMode,setAiComposeMode]=useState('SIMILAR_VARIATION');const[promptHistory,setPromptHistory]=useState([]);const[promptHistIdx,setPromptHistIdx]=useState(-1);const promptHistRef=useRef([]);const aiPromptUndoRef=useRef({stack:[],idx:-1,max:30});const aiPromptUndoPush=text=>{const u=aiPromptUndoRef.current;u.stack.push(text);if(u.stack.length>u.max)u.stack.shift();u.idx=u.stack.length-1;};const[aiProvider,setAiProvider]=useState('OpenAI');const[aiModel,setAiModel]=useState('GPT-4o');const[aiActionLog,setAiActionLog]=useState([]);const actionLogContainerRef=useRef(null);useEffect(()=>{if(actionLogContainerRef.current){actionLogContainerRef.current.scrollTop=actionLogContainerRef.current.scrollHeight;}},[aiActionLog]);const[aiProcessing,setAiProcessing]=useState(false);const[aiSuggestions,setAiSuggestions]=useState([]);const[showAiTypeahead,setShowAiTypeahead]=useState(false);const[showAISuggestions,setShowAISuggestions]=useState(true);const[showAIActionLog,setShowAIActionLog]=useState(false);const aiPromptMgrRef=useRef(null);const aiTypeaheadRef=useRef(null);const[selectedProviderId,setSelectedProviderId]=useState('');const[exportSettings,setExportSettings]=useState(()=>{let expDir='',remExpDir=false;try{expDir=localStorage.getItem('sonic_export_dir')||'';}catch(e){}try{remExpDir=localStorage.getItem('sonic_remember_export_dir')==='1';}catch(e){}return{sampleRate:'44100',bitDepth:'float',format:'wav',source:'project',quality:'44khz',channels:'stereo',loop:false,loopBars:4,dither:false,normalize:true,normalizeTarget:'-14lufs',monoCheck:true,realtime:false,// Gap 13: BWF/INFO metadata cho WAV mastering export
+const[masterMeterPeak,setMasterMeterPeak]=useState(0);const[rightSidebarWidth,setRightSidebarWidth]=useState(320);const[tcpWidth,setTcpWidth]=useState(320);const[mediaExplorerHeight,setMediaExplorerHeight]=useState(50);const[panelPositions,setPanelPositions]=useState({export:'bottom',ai:'right',python_tools:'bottom',selection:'bottom',media_explorer:'bottom',fx_rack:'bottom',midi_events:'bottom'});const[panelDropZone,setPanelDropZone]=useState(null);const[dragGhostPos,setDragGhostPos]=useState(null);const[dragGhostPanel,setDragGhostPanel]=useState(null);const panelDragRef=useRef(null);const trackVuRefs=useRef({});const workspaceRef=useRef(null);const colResizerRef=useRef(null);const rowResizerRef=useRef(null);const[aiConfig,setAiConfig]=useState({baseUrl:localStorage.getItem('ai_base_url')||`${API_BASE_URL}`,apiKey:localStorage.getItem('ai_api_key')||'',model:localStorage.getItem('ai_model')||'deepseek-chat'});const[aiProviders,setAiProviders]=useState([]);useEffect(()=>{(async()=>{try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){/* server may not have config endpoint */}})();},[]);const[analysisState,setAnalysisState]=useState({status:'Sẵn sàng. Chạy AI để phân tích nhịp.',data:null,isRunning:false});const[aiPrompt,setAiPrompt]=useState('');const[aiComposeMode,setAiComposeMode]=useState('SIMILAR_VARIATION');const[promptHistory,setPromptHistory]=useState([]);const[promptHistIdx,setPromptHistIdx]=useState(-1);const promptHistRef=useRef([]);const aiPromptUndoRef=useRef({stack:[],idx:-1,max:30});const aiPromptUndoPush=text=>{const u=aiPromptUndoRef.current;u.stack.push(text);if(u.stack.length>u.max)u.stack.shift();u.idx=u.stack.length-1;};const[aiProvider,setAiProvider]=useState('OpenAI');const[aiModel,setAiModel]=useState('GPT-4o');const[aiActionLog,setAiActionLog]=useState([]);const actionLogContainerRef=useRef(null);useEffect(()=>{if(actionLogContainerRef.current){actionLogContainerRef.current.scrollTop=actionLogContainerRef.current.scrollHeight;}},[aiActionLog]);const[aiProcessing,setAiProcessing]=useState(false);const[aiSuggestions,setAiSuggestions]=useState([]);const[showAiTypeahead,setShowAiTypeahead]=useState(false);const[showAISuggestions,setShowAISuggestions]=useState(true);const[showAIActionLog,setShowAIActionLog]=useState(false);const aiPromptMgrRef=useRef(null);const aiTypeaheadRef=useRef(null);const[selectedProviderId,setSelectedProviderId]=useState('');const[exportSettings,setExportSettings]=useState(()=>{let expDir='',remExpDir=false;try{expDir=localStorage.getItem('sonic_export_dir')||'';}catch(e){}try{remExpDir=localStorage.getItem('sonic_remember_export_dir')==='1';}catch(e){}return{sampleRate:'44100',bitDepth:'16',format:'wav',source:'project',quality:'44khz',channels:'stereo',loop:false,loopBars:4,dither:false,normalize:true,normalizeTarget:'-14lufs',monoCheck:true,realtime:false,// Gap 13: BWF/INFO metadata cho WAV mastering export
 metaTitle:'',metaArtist:'',metaIsrc:'',// Export file + thư mục (ExportModal) — dir lưu localStorage nếu remember
 fileName:'',exportDir:expDir,rememberExportDir:remExpDir};});// Persist export dir mặc định (chỉ khi user bật remember) — ExportModal
 useEffect(()=>{try{if(exportSettings.rememberExportDir&&exportSettings.exportDir){localStorage.setItem('sonic_export_dir',exportSettings.exportDir);}else{localStorage.removeItem('sonic_export_dir');}localStorage.setItem('sonic_remember_export_dir',exportSettings.rememberExportDir?'1':'0');}catch(e){}},[exportSettings.exportDir,exportSettings.rememberExportDir]);const[serverStatus,setServerStatus]=useState('checking...');const _lan=window.SonicRuntime&&window.SonicRuntime.capabilities&&window.SonicRuntime.capabilities.lan;const serverAddr=_lan&&_lan.urls&&_lan.urls[0]?function(){try{return new URL(_lan.urls[0]).host;}catch(e){return null;}}():window.location.host;const[menuOpen,setMenuOpen]=useState(null);const[selectedClipId,setSelectedClipId]=useState(null);// { trackId, clipId }
diff --git a/app/templates/index.html b/app/templates/index.html
index 34056d6..757f22e 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=202608241919" defer></script>
+    <script src="/static/js/app.precompiled.js?v=202608241954" defer></script>
     <link rel="stylesheet" href="/static/css/styles.css?v=202607271016">
     <style>
         :root {