diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx
index 60e16d5..6819411 100644
--- a/app/static/js/app.jsx
+++ b/app/static/js/app.jsx
@@ -13189,30 +13189,6 @@ const addMasterVst = (path) => { const fx = (masterFxList || []).find(f => f.pat
           </button>
         </div>
 
-        {/* VST FX MASTERBUS (native_bridge --render-fx — áp dụng khi Export/Offline render) */}
-        <div className="bg-slate-950 border-b border-teal-900/60 px-4 py-2 flex flex-col gap-2 shrink-0">
-          <div className="flex items-center justify-between flex-wrap gap-2">
-            <div className="flex items-center gap-2 min-w-0">
-              <span className="text-[10px] font-bold text-teal-400 uppercase tracking-widest oz-font-mono shrink-0">VST FX MASTERBUS:</span>
-              <span className="text-[9px] text-slate-500 oz-font-mono truncate">Plugin VST3 (Ozone...) — realtime browser vẫn WebAudio builtin; VST áp dụng lúc Export/Offline render (preview = âm export)</span>
-            </div>
-            <div className="flex items-center gap-2 shrink-0">
-              <button onClick={previewMasterFx} className="px-2 py-1 bg-teal-800 hover:bg-teal-700 text-teal-100 text-[10px] font-semibold rounded transition flex items-center gap-1">
-                <i data-lucide="play" className="w-3 h-3"></i> Nghe thử (render offline)
-              </button>
-              <label className="flex items-center gap-1 text-[10px] text-slate-400 oz-font-mono cursor-pointer">
-                <input type="checkbox" checked={!!ozState.vstBypass} onChange={e => setOzState(prev => ({ ...prev, vstBypass: e.target.checked }))} className="w-3 h-3" /> Bypass
-              </label>
-            </div>
-          </div>
-          {masterVstChain.length === 0 && <div className="text-[10px] text-slate-500 oz-font-mono">Chưa có VST FX masterbus — chọn plugin bên dưới (Ozone...) để chạy chain sau khi mix WebAudio.</div>}
-          {masterVstChain.map((s, idx) => vstRow(s, idx, toggleMasterVst, changeMasterVstPlugin, uploadMasterVstPreset, moveMasterVst, removeMasterVst, masterFxList, masterVstChain.length, openMasterVstGui))}
-          <select value={addMasterVstSel} onChange={e => { setAddMasterVstSel(e.target.value); if (e.target.value) { addMasterVst(e.target.value); setAddMasterVstSel(''); } }} className="w-full bg-slate-950 border border-dashed border-slate-700 hover:border-teal-600 text-teal-300 rounded px-2 py-1.5 text-[11px] outline-none" title="Thêm VST FX">
-            <option value="">+ Thêm VST FX...</option>
-            {(masterFxList || []).map(f => <option key={f.path} value={f.path}>{f.name || f.id}</option>)}
-          </select>
-        </div>
-
         {/* MAIN WORKSPACE */}
         <main className="flex-1 flex overflow-hidden min-h-0">
 
diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js
index 32a7eb3..fa580e5 100644
--- a/app/static/js/app.precompiled.js
+++ b/app/static/js/app.precompiled.js
@@ -757,7 +757,7 @@ const MODULE_META={eq:{name:'Dynamic EQ',sub:'4-Band Peak',icon:'activity',color
 const flags={};chain.forEach(m=>{flags[chainFlag(m.type)]=!!m.active;});const activeModule=prev.activeModule;let vstFxChain=prev.vstFxChain||[];if(removed&&removed.type==='vst3'){const vi=vstFxChain.findIndex(s=>s.path===removed.path);if(vi>=0)vstFxChain=[...vstFxChain.slice(0,vi),...vstFxChain.slice(vi+1)];}return{...prev,chain,...flags,vstFxChain,activeModule:chain.some(m=>m.type===activeModule)?activeModule:chain[chain.length-1].type};});};const reorderChain=(fromIdx,toIdx)=>{if(fromIdx===toIdx)return;setOzState(prev=>{const chain=[...prev.chain];const moved=chain.splice(fromIdx,1)[0];chain.splice(toIdx,0,moved);return{...prev,chain};});};const addModuleToChain=type=>{const meta=MODULE_META[type];const id='mod_'+type+'_'+Date.now();const entry={id,type,name:meta.name,active:true};if(type==='eqpro')entry.params={amount:100,bands:JSON.parse(JSON.stringify(EQPRO_DEFAULT_BANDS))};if(type==='carla')entry.params={plugin:'',plugin_path:''};setOzState(prev=>({...prev,chain:[...(prev.chain||[]),entry],[chainFlag(type)]:true,activeModule:type}));setAddModuleOpen(false);};const addVstToChain=path=>{const fx=(masterFxList||[]).find(f=>f.path===path);if(!fx)return;const id='mod_vst_'+Date.now();const entry={id,type:'vst3',path:fx.path,name:fx.name||fx.id,preset_b64:'',bypass:false,active:true};setOzState(prev=>({...prev,chain:[...(prev.chain||[]),entry],vstFxChain:[...(prev.vstFxChain||[]),{type:'vst3',path:fx.path,name:fx.name||fx.id,preset_b64:'',bypass:false}]}));setAddModuleOpen(false);};const updateChainEntryParams=(modId,patch)=>{setOzState(prev=>({...prev,chain:(prev.chain||[]).map(m=>m.id===modId?{...m,params:{...(m.params||{}),...patch}}:m)}));};// ── EQ Preset Library (mastering_expand.md §II.1) ──
 const EQ_PRESET_LIBRARY={flat:{name:'Flat / Reset',bands:[{id:1,type:'lowshelf',freq:100,gain:0.0,q:0.7},{id:2,type:'peaking',freq:800,gain:0.0,q:0.7},{id:3,type:'peaking',freq:3200,gain:0.0,q:1.2},{id:4,type:'highshelf',freq:10000,gain:0.0,q:0.7}]},vocal_clarity:{name:'Vocal Unmask & Clarity',bands:[{id:1,type:'lowshelf',freq:90,gain:-2.5,q:0.7},{id:2,type:'peaking',freq:500,gain:-1.8,q:1.0},{id:3,type:'peaking',freq:2800,gain:3.2,q:1.2},{id:4,type:'highshelf',freq:12000,gain:2.0,q:0.7}]},bass_punch:{name:'EDM Low-End Punch',bands:[{id:1,type:'lowshelf',freq:80,gain:4.0,q:0.8},{id:2,type:'peaking',freq:300,gain:-3.0,q:1.4},{id:3,type:'peaking',freq:4000,gain:1.5,q:1.0},{id:4,type:'highshelf',freq:10000,gain:1.0,q:0.7}]},warm_tape:{name:'Warm Vintage Analog',bands:[{id:1,type:'lowshelf',freq:120,gain:2.0,q:0.6},{id:2,type:'peaking',freq:1500,gain:1.0,q:0.5},{id:3,type:'peaking',freq:5000,gain:-2.0,q:1.0},{id:4,type:'highshelf',freq:8000,gain:-3.0,q:0.7}]}};const applyEQPreset=presetKey=>{const preset=EQ_PRESET_LIBRARY[presetKey];if(!preset)return;const bus=masterBus;if(bus&&bus.eqLowFilter){const now=audioCtx?audioCtx.currentTime:0;const filters=[bus.eqLowFilter,bus.eqMid1Filter,bus.eqMid2Filter,bus.eqHighFilter];preset.bands.forEach((bd,i)=>{const f=filters[i];if(!f)return;try{// setValueAtTime (không automation) — tránh "BiquadFilterNode: state is bad"
 f.frequency.setValueAtTime(bd.freq,now);f.gain.setValueAtTime(bd.gain,now);f.Q.setValueAtTime(bd.q,now);}catch(e){}});}// Sync UI knobs + canvas: [eqLowGain, eqMid1Gain, eqMid2Gain, eqHighGain]
-setOzState(prev=>({...prev,eqLowGain:preset.bands[0]?preset.bands[0].gain:prev.eqLowGain,eqMid1Gain:preset.bands[1]?preset.bands[1].gain:prev.eqMid1Gain,eqMid2Gain:preset.bands[2]?preset.bands[2].gain:prev.eqMid2Gain,eqHighGain:preset.bands[3]?preset.bands[3].gain:prev.eqHighGain,eqPreset:presetKey}));};const bandKnob=(param,min,max,val,unit,label,freq,color,filterType)=>/*#__PURE__*/React.createElement("div",{className:"bg-slate-900/80 border border-slate-800 p-2 flex flex-col justify-between items-center rounded-lg"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between text-[10px] font-bold w-full",style:{color}},/*#__PURE__*/React.createElement("span",null,label),/*#__PURE__*/React.createElement("span",{className:"text-[9px] font-mono text-slate-400"},freq)),/*#__PURE__*/React.createElement("div",{className:"my-1"},/*#__PURE__*/React.createElement(MasteringKnob,{param:param,min:min,max:max,value:ozState[param]!==undefined?ozState[param]:val,unit:unit,color:color,onChange:(p,v)=>setOzState(prev=>({...prev,[p]:v}))})),/*#__PURE__*/React.createElement("div",{className:"text-[9px] text-slate-500 font-mono text-center mt-1"},filterType));return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-[100] flex items-center justify-center bg-black/70 backdrop-blur-sm",onClick:onClose},/*#__PURE__*/React.createElement("div",{id:"masteringModalBody",className:"flex flex-col bg-slate-950 text-slate-200 w-[95vw] h-[92vh] max-w-[1400px] rounded-2xl border border-slate-800/80 shadow-2xl overflow-hidden",onClick:e=>e.stopPropagation(),style:{fontFamily:"'Inter', sans-serif"}},/*#__PURE__*/React.createElement("header",{className:"h-12 bg-slate-900/90 border-b border-slate-800/80 flex items-center justify-between px-4 z-30 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-3"},/*#__PURE__*/React.createElement("div",{className:"w-7 h-7 rounded-lg bg-cyan-600 flex items-center justify-center font-bold text-white shadow-lg shadow-cyan-950"},/*#__PURE__*/React.createElement("i",{"data-lucide":"zap",className:"w-3.5 h-3.5"})),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("h1",{className:"text-xs font-bold tracking-wider text-white flex items-center gap-2"},"MASTERING SUITE ",/*#__PURE__*/React.createElement("span",{className:"text-[9px] bg-cyan-950 text-cyan-400 border border-cyan-800/80 px-1.5 py-0.5 rounded oz-font-mono"},"WEB MASTERING V10.5")))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-3 bg-slate-950 px-3 py-1 rounded-lg border border-slate-800/80"},/*#__PURE__*/React.createElement("button",{onClick:startAudioDemo,className:"px-3 py-1 bg-cyan-600 hover:bg-cyan-500 text-white rounded text-xs font-semibold flex items-center gap-1.5 transition-all shadow-md shadow-cyan-950"},/*#__PURE__*/React.createElement("i",{"data-lucide":"play",className:"w-3 h-3"})," ",/*#__PURE__*/React.createElement("span",null,"Play Reference")),/*#__PURE__*/React.createElement("button",{onClick:stopAudioDemo,className:"px-3 py-1 bg-slate-800 hover:bg-slate-700 text-slate-300 rounded text-xs font-semibold flex items-center gap-1.5 transition-all"},/*#__PURE__*/React.createElement("i",{"data-lucide":"square",className:"w-3 h-3"})," ",/*#__PURE__*/React.createElement("span",null,"Stop")),/*#__PURE__*/React.createElement("div",{className:"h-4 w-[1px] bg-slate-800 mx-1"}),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 text-xs oz-font-mono"},/*#__PURE__*/React.createElement("span",{className:"text-slate-400 text-[11px]"},"Preset:"),/*#__PURE__*/React.createElement("select",{className:"bg-slate-900 border border-slate-700 rounded px-2 py-0.5 text-xs text-cyan-300 outline-none focus:border-cyan-500"},/*#__PURE__*/React.createElement("option",{value:"adaptive"},"Adaptive Dynamic Master"),/*#__PURE__*/React.createElement("option",{value:"edm_club"},"EDM / Club Punch Maximizer"),/*#__PURE__*/React.createElement("option",{value:"wide_space"},"Cinematic Stereo Expansion"),/*#__PURE__*/React.createElement("option",{value:"transparent"},"Transparent High-Clarity Limiter")))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-3 text-xs oz-font-mono"},/*#__PURE__*/React.createElement("span",{className:"text-slate-400 text-[11px]"},"Target LUFS:"),/*#__PURE__*/React.createElement("span",{className:"text-cyan-400 font-bold bg-slate-950 border border-cyan-900/60 px-2 py-0.5 rounded"},"-11.0 LUFS"),/*#__PURE__*/React.createElement("button",{onClick:()=>{getAudioContext();setMasterConnected(prev=>!prev);},className:`px-2 py-0.5 rounded text-[10px] font-bold border transition-colors ${masterConnected?'bg-emerald-700 border-emerald-500 text-white':'bg-slate-800 border-slate-700 text-slate-300 hover:bg-slate-700'}`},masterConnected?'Master ON':'Master OFF'),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"px-2 py-0.5 rounded text-[10px] font-bold border transition-colors bg-slate-800 border-slate-700 text-slate-300 hover:bg-[#c2410c] hover:border-red-600 hover:text-white"},"Đóng"),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"text-slate-500 hover:text-slate-300 ml-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-4 h-4"})))),/*#__PURE__*/React.createElement("div",{className:"h-16 bg-slate-950 border-b border-slate-800 px-4 flex items-center gap-2 overflow-x-auto shrink-0 oz-scrollbar"},/*#__PURE__*/React.createElement("span",{className:"text-[10px] font-bold text-slate-500 uppercase tracking-widest mr-1 oz-font-mono shrink-0"},"CHAIN:"),(ozState.chain||[]).map((mod,idx)=>{const isVst=mod.type==='vst3';const meta=MODULE_META[mod.type]||{name:mod.type,sub:'',icon:'circle',color:'#94a3b8'};const isEditing=!isVst&&ozState.activeModule===mod.type;const isOn=isVst?mod.active!==false:chainActive(mod.type);return/*#__PURE__*/React.createElement("div",{key:mod.id,draggable:true,onDragStart:e=>{dragChainIndexRef.current=idx;e.dataTransfer.effectAllowed='move';},onDragOver:e=>{e.preventDefault();e.dataTransfer.dropEffect='move';},onDrop:e=>{e.preventDefault();const from=dragChainIndexRef.current;if(from!==null&&from!==idx)reorderChain(from,idx);dragChainIndexRef.current=null;},onClick:()=>{if(mod.type==='vst3'){openMasterVstGui({path:mod.path,name:mod.name||mod.path});}else switchModule(mod.type);},className:`w-40 h-12 rounded-lg p-2 flex items-center justify-between cursor-pointer transition-all shrink-0 ${isEditing?'oz-card-active':'oz-card'}`},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 min-w-0"},/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleChainModule(mod.id);},className:"w-4 h-4 rounded-full flex items-center justify-center text-[9px] font-bold shrink-0",style:{backgroundColor:isOn?'#38bdf8':'#334155',color:isOn?'#0f172a':'#94a3b8'}},/*#__PURE__*/React.createElement("i",{"data-lucide":"power",className:"w-2.5 h-2.5"})),/*#__PURE__*/React.createElement("div",{className:"min-w-0"},/*#__PURE__*/React.createElement("div",{className:"text-[11px] font-bold text-slate-200 truncate"},isVst?mod.name||meta.name:meta.name),/*#__PURE__*/React.createElement("div",{className:"text-[9px] oz-font-mono truncate",style:{color:meta.color}},idx+1,". ",isVst?mod.path?mod.path.split(/[\\/]/).pop():'VST3':meta.sub))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":meta.icon,className:"w-3 h-3 text-slate-500"}),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();removeChainModule(mod.id);},className:"text-slate-600 hover:text-red-400 text-xs w-4 h-4 flex items-center justify-center shrink-0",title:"Xóa module"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}))));}),/*#__PURE__*/React.createElement("button",{onClick:()=>setAddModuleOpen(true),className:"w-24 h-12 rounded-lg border border-dashed border-slate-800 flex items-center justify-center text-slate-600 hover:text-slate-400 hover:border-slate-600 cursor-pointer transition-all shrink-0",title:"Thêm module vào chain"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-4 h-4"}))),/*#__PURE__*/React.createElement("div",{className:"bg-slate-950 border-b border-teal-900/60 px-4 py-2 flex flex-col gap-2 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between flex-wrap gap-2"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 min-w-0"},/*#__PURE__*/React.createElement("span",{className:"text-[10px] font-bold text-teal-400 uppercase tracking-widest oz-font-mono shrink-0"},"VST FX MASTERBUS:"),/*#__PURE__*/React.createElement("span",{className:"text-[9px] text-slate-500 oz-font-mono truncate"},"Plugin VST3 (Ozone...) — realtime browser vẫn WebAudio builtin; VST áp dụng lúc Export/Offline render (preview = âm export)")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 shrink-0"},/*#__PURE__*/React.createElement("button",{onClick:previewMasterFx,className:"px-2 py-1 bg-teal-800 hover:bg-teal-700 text-teal-100 text-[10px] font-semibold rounded transition flex items-center gap-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"play",className:"w-3 h-3"})," Nghe thử (render offline)"),/*#__PURE__*/React.createElement("label",{className:"flex items-center gap-1 text-[10px] text-slate-400 oz-font-mono cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"checkbox",checked:!!ozState.vstBypass,onChange:e=>setOzState(prev=>({...prev,vstBypass:e.target.checked})),className:"w-3 h-3"})," Bypass"))),masterVstChain.length===0&&/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-slate-500 oz-font-mono"},"Chưa có VST FX masterbus — chọn plugin bên dưới (Ozone...) để chạy chain sau khi mix WebAudio."),masterVstChain.map((s,idx)=>vstRow(s,idx,toggleMasterVst,changeMasterVstPlugin,uploadMasterVstPreset,moveMasterVst,removeMasterVst,masterFxList,masterVstChain.length,openMasterVstGui)),/*#__PURE__*/React.createElement("select",{value:addMasterVstSel,onChange:e=>{setAddMasterVstSel(e.target.value);if(e.target.value){addMasterVst(e.target.value);setAddMasterVstSel('');}},className:"w-full bg-slate-950 border border-dashed border-slate-700 hover:border-teal-600 text-teal-300 rounded px-2 py-1.5 text-[11px] outline-none",title:"Thêm VST FX"},/*#__PURE__*/React.createElement("option",{value:""},"+ Thêm VST FX..."),(masterFxList||[]).map(f=>/*#__PURE__*/React.createElement("option",{key:f.path,value:f.path},f.name||f.id)))),/*#__PURE__*/React.createElement("main",{className:"flex-1 flex overflow-hidden min-h-0"},masterGuiOpen?/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col bg-slate-950 relative overflow-y-auto oz-scrollbar p-4"},/*#__PURE__*/React.createElement(VstGuiEmbed,{url:masterGuiOpen.url,onClose:closeMasterGui,onDead:()=>{window.showToast&&window.showToast('Bridge VST GUI đã mất kết nối — trả về graph','error');closeMasterGui();}})):/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col bg-slate-950 relative overflow-y-auto oz-scrollbar"},/*#__PURE__*/React.createElement("div",{className:"h-9 bg-slate-900/60 border-b border-slate-800/80 px-4 flex items-center justify-between text-xs oz-font-mono shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-3"},/*#__PURE__*/React.createElement("span",{className:"text-slate-400 flex items-center gap-1.5"},/*#__PURE__*/React.createElement("i",{"data-lucide":"headphones",className:"w-3 h-3 text-cyan-400"})," Delta Listen"),/*#__PURE__*/React.createElement("select",{className:"bg-slate-950 border border-slate-800 rounded px-2 py-0.5 text-[11px] text-slate-300 outline-none"},/*#__PURE__*/React.createElement("option",{value:"irc4"},"IRC IV - Classic"),/*#__PURE__*/React.createElement("option",{value:"irc3"},"IRC III - Balanced"),/*#__PURE__*/React.createElement("option",{value:"irc2"},"IRC II - Crisp"))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 text-[11px]"},ozState.activeModule==='eq'&&/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5"},/*#__PURE__*/React.createElement("span",{className:"text-slate-400"},"EQ Presets:"),/*#__PURE__*/React.createElement("select",{value:ozState.eqPreset||'flat',onChange:e=>applyEQPreset(e.target.value),className:"bg-slate-950 border border-slate-700 text-cyan-300 rounded px-2 py-0.5 text-[11px] outline-none focus:border-cyan-500"},Object.keys(EQ_PRESET_LIBRARY).map(k=>/*#__PURE__*/React.createElement("option",{key:k,value:k},EQ_PRESET_LIBRARY[k].name)))),/*#__PURE__*/React.createElement("span",{className:"text-slate-400"},"Learn Input 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dB"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-12",max:"24",step:"0.5",value:woZoom,onChange:e=>setWoZoom(parseFloat(e.target.value)),className:"w-16 h-1 cursor-pointer accent-cyan-400"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>setWoPaused(!woPaused),className:`px-3 py-1 rounded font-bold border transition shadow-md shrink-0 flex items-center gap-1 ${woPaused?'bg-amber-800 hover:bg-amber-700 border-amber-500 text-amber-100':'bg-slate-800 hover:bg-slate-700 border-slate-700 text-slate-200'}`},woPaused?'Resume':'Pause')))),/*#__PURE__*/React.createElement("div",{className:"w-64 bg-slate-900 border-l border-slate-800/80 p-3 flex flex-col justify-between shadow-2xl oz-font-mono text-xs z-20 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between border-b border-slate-800 pb-2 mb-2"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-white tracking-wider uppercase flex items-center gap-1.5"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3 h-3 text-cyan-400"})," I/O METERS"),/*#__PURE__*/React.createElement("span",{className:"text-[9px] bg-cyan-950 border border-cyan-800 text-cyan-300 px-1 py-0.5 rounded"},"TRUE PEAK")),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2 text-[10px] text-center mb-2"},/*#__PURE__*/React.createElement("div",{className:"bg-slate-950 border border-slate-800/80 p-1.5 rounded"},/*#__PURE__*/React.createElement("div",{className:"text-slate-500 font-bold"},"IN PEAK"),/*#__PURE__*/React.createElement("div",{id:"inPeakText",className:"text-cyan-400 font-bold oz-font-mono"},"-inf dB")),/*#__PURE__*/React.createElement("div",{className:"bg-slate-950 border border-slate-800/80 p-1.5 rounded"},/*#__PURE__*/React.createElement("div",{className:"text-slate-500 font-bold"},"OUT PEAK"),/*#__PURE__*/React.createElement("div",{id:"outPeakText",className:"text-emerald-400 font-bold 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clipping.'},{t:'exciter',c:'text-purple-400',i:'wand-2',d:'Saturation hài cho warmth và top-end brilliance.'},{t:'rebalance',c:'text-sky-400',i:'sliders-horizontal',d:'Cân bằng Mid/Side (Vocal/Bass vs stereo width).'},{t:'eq',c:'text-cyan-400',i:'activity',d:'EQ 4-band (lowshelf, 2× peaking, highshelf) + presets.'},{t:'imager',c:'text-fuchsia-400',i:'radio',d:'Stereo width 4-band M/S + vectorscope/correlation.'},{t:'maximizer',c:'text-emerald-400',i:'gauge',d:'Maximizer: boost, soft clip, upward comp, ceiling.'}].map(m=>/*#__PURE__*/React.createElement("button",{key:m.t,onClick:()=>addModuleToChain(m.t),className:"p-3 bg-slate-950 hover:bg-slate-800 border border-slate-800 rounded-xl text-left space-y-1 transition-colors"},/*#__PURE__*/React.createElement("div",{className:`font-bold ${m.c} flex items-center gap-1.5`},/*#__PURE__*/React.createElement("i",{"data-lucide":m.i,className:"w-3.5 h-3.5"})," ",MODULE_META[m.t].name),/*#__PURE__*/React.createElement("div",{className:"text-[10px] 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 const MEDIA_LIBRARY_SAMPLES=[{name:"MIDI_Loop_01.mid",events:95,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_02_Bass.mid",events:48,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_03_Lead.mid",events:110,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_04.mid",events:76,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_05_Bass.mid",events:52,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"},{name:"MIDI_Loop_06.mid",events:88,lengthQn:16,time:"0:08.000",tpqn:480,bpm:130,kind:"midi"}];const MediaExplorerPanel=({height,clipboardRef,active})=>{const[userFiles,setUserFiles]=React.useState([]);const[folder,setFolder]=React.useState('library');const[selected,setSelected]=React.useState(null);const[filterText,setFilterText]=React.useState('');const[viewMode,setViewMode]=React.useState('details');const[isPlaying,setIsPlaying]=React.useState(false);const[isPaused,setIsPaused]=React.useState(false);const[isLooping,setIsLooping]=React.useState(false);const[autoPlay,setAutoPlay]=React.useState(true);const[pitch,setPitch]=React.useState(0.0);const[rate,setRate]=React.useState(1.0);const[volumeDb,setVolumeDb]=React.useState(0.0);const[currentTime,setCurrentTime]=React.useState(0);const[peaks,setPeaks]=React.useState(null);const[audioBuffer,setAudioBuffer]=React.useState(null);const[audioDuration,setAudioDuration]=React.useState(0);const[midiNotes,setMidiNotes]=React.useState(null);const[midiTotal,setMidiTotal]=React.useState(4);const[midiBars,setMidiBars]=React.useState(1);const[midiTotalBeats,setMidiTotalBeats]=React.useState(16);const[midiFileBpm,setMidiFileBpm]=React.useState(120);const[tempo,setTempo]=React.useState(function(){var saved=localStorage.getItem('studio_media_explorer_tempo');return saved?parseInt(saved):120;});const[tempoText,setTempoText]=React.useState(String(function(){var saved=localStorage.getItem('studio_media_explorer_tempo');return saved?parseInt(saved):120;}()));const[zoom,setZoom]=React.useState(1.0);// Đồng bộ zoom ra window ref — serializeProjectToSchema lưu vào metadata.zoom
 // (module-level không truy cập state) → restore/open khôi phục đúng zoom.
 React.useEffect(()=>{window.__currentZoom=zoom;},[zoom]);const[scrollOffset,setScrollOffset]=React.useState(0);const scrollOffsetRef=React.useRef(0);scrollOffsetRef.current=scrollOffset;const[selStart,setSelStart]=React.useState(null);const[selEnd,setSelEnd]=React.useState(null);const[isDragging,setIsDragging]=React.useState(false);const[previewCtxMenu,setPreviewCtxMenu]=React.useState(null);// { x, y }