diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx
index f295c7e..e8f52a5 100644
--- a/app/static/js/app.jsx
+++ b/app/static/js/app.jsx
@@ -936,7 +936,7 @@ const MasterStripConsole = ({ masterVolume, setMasterVolume, showMasteringModal,
           onPointerDown: handlePanPointerDown,
           onPointerMove: handlePanPointerMove,
           onPointerUp: handlePanPointerUp,
-          onDoubleClick: function() { setPan(0); if (panPointerRef.current) panPointerRef.current.style.transform = 'rotate(0deg)'; }
+          onDoubleClick: function() { setPan(0); setPanText('center'); if (panPointerRef.current) panPointerRef.current.style.transform = 'rotate(0deg)'; }
         }, React.createElement("div", {
           ref: panPointerRef,
           id: "panPointer",
@@ -946,7 +946,7 @@ const MasterStripConsole = ({ masterVolume, setMasterVolume, showMasteringModal,
         React.createElement("span", { className: "text-[8px] font-mono text-slate-500 w-5 text-left" },
           pan > 0 ? 'R' + Math.round(pan * 100) : ''
         ),
-        React.createElement("span", { ref: React.createRef ? null : null, className: "text-[10px] font-bold font-mono text-slate-200 ml-8" },
+        React.createElement("span", { ref: React.createRef ? null : null, className: "text-[10px] font-bold font-mono text-slate-200 ml-8", onDoubleClick: function() { handleFaderChange(0); } },
           masterVolume <= -50 ? '-inf' : (masterVolume > 0 ? '+' : '') + masterVolume.toFixed(1)
         )
       )
@@ -978,7 +978,12 @@ const MasterStripConsole = ({ masterVolume, setMasterVolume, showMasteringModal,
       ),
       React.createElement("div", { className: "w-16 flex items-stretch gap-1 bg-slate-900/60 p-1 rounded border border-slate-800" },
         React.createElement("div", {
-          className: "flex-1 flex flex-col items-center justify-center relative fader-track rounded"
+          className: "flex-1 flex flex-col items-center justify-center relative fader-track rounded",
+          onWheel: function(e) {
+            e.preventDefault();
+            var delta = e.deltaY > 0 ? -0.5 : 0.5;
+            handleFaderChange(Math.max(-60, Math.min(12, masterVolume + delta)));
+          }
         },
           React.createElement("div", { className: "w-0.5 flex-1 bg-slate-700 absolute" }),
           React.createElement("input", {
@@ -990,7 +995,8 @@ const MasterStripConsole = ({ masterVolume, setMasterVolume, showMasteringModal,
             value: masterVolume,
             className: "fader-slider w-full z-10",
             orient: "vertical",
-            onChange: function(e) { handleFaderChange(parseFloat(e.target.value)); }
+            onChange: function(e) { handleFaderChange(parseFloat(e.target.value)); },
+            onDoubleClick: function() { handleFaderChange(0); }
           })
         ),
         React.createElement("div", { className: "relative w-5 text-[7px] font-mono text-slate-500 select-none overflow-hidden" },
diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js
index 370f9ff..7167ae5 100644
--- a/app/static/js/app.precompiled.js
+++ b/app/static/js/app.precompiled.js
@@ -47,7 +47,7 @@ this.sourceNode.connect(this.workletNode);// Enable Live Input Monitoring if req
 if(enableMonitoring&&destinationTrackGainNode){this.sourceNode.connect(destinationTrackGainNode);}}async stop(){this.isRecording=false;if(this.sourceNode&&this.workletNode){try{this.sourceNode.disconnect(this.workletNode);}catch(e){}}if(this.mediaStream){this.mediaStream.getTracks().forEach(track=>track.stop());}// Concatenate PCM Float32Array chunks into a single AudioBuffer
 const totalSamples=this.pcmChunks.reduce((sum,chunk)=>sum+chunk.length,0);if(totalSamples===0)return null;const audioBuffer=this.audioCtx.createBuffer(1,totalSamples,this.audioCtx.sampleRate);const channelData=audioBuffer.getChannelData(0);let offset=0;for(const chunk of this.pcmChunks){channelData.set(chunk,offset);offset+=chunk.length;}return audioBuffer;// Return compiled AudioBuffer for timeline insertion
 }}const VolumeKnob=({value,onChange,min=0,max=1})=>{const[isDragging,setIsDragging]=useState(false);const startY=useRef(0);const startValue=useRef(0);const rotation=useMemo(()=>{const percent=(value-min)/(max-min);return-135+percent*270;},[value,min,max]);const handleMouseDown=e=>{setIsDragging(true);startY.current=e.clientY;startValue.current=value;document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const handleMouseMove=e=>{const deltaY=startY.current-e.clientY;const sensitivity=0.005;const newValue=Math.max(min,Math.min(max,startValue.current+deltaY*sensitivity));onChange(parseFloat(newValue.toFixed(2)));};const handleMouseUp=()=>{setIsDragging(false);document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};return/*#__PURE__*/React.createElement("div",{className:"knob-container cursor-ns-resize flex flex-col items-center",onMouseDown:handleMouseDown,title:`Volume: ${Math.round(value*100)}%`},/*#__PURE__*/React.createElement("svg",{className:"w-7 h-7",viewBox:"0 0 40 40"},/*#__PURE__*/React.createElement("circle",{cx:"20",cy:"20",r:"16",fill:"#141414",stroke:"#444",strokeWidth:"2"}),/*#__PURE__*/React.createElement("g",{transform:`rotate(${rotation} 20 20)`,className:"knob-dial"},/*#__PURE__*/React.createElement("line",{x1:"20",y1:"20",x2:"20",y2:"6",stroke:"#ef4444",strokeWidth:"3",strokeLinecap:"round"}))));};const MixerStrip=({track,index,onUpdateTrack,trackVuRefs})=>{const dbLabel=track.volumeDb==null||track.volumeDb<=-50?'-inf':(track.volumeDb>0?'+':'')+(track.volumeDb||0).toFixed(1)+'dB';const isMuted=track.muted;const isSoloed=track.solo;const vol=track.volumeDb!=null?track.volumeDb:0;var pct=Math.max(0,Math.min(100,(vol+60)/72*100));var vuColor=pct>=80?'#ef4444':pct>=50?'#eab308':'#22c55e';var trackColor=track.color||'#06b6d4';return React.createElement("div",{className:"flex flex-col items-stretch w-[84px] shrink-0 bg-[#2b2b2b] border border-black/70 overflow-hidden rounded-sm"},React.createElement("div",{className:"flex items-center justify-between px-1 py-0.5 bg-[#222] border-b border-black/60 shrink-0"},React.createElement("span",{className:"text-[9px] font-mono font-bold text-zinc-400"},index+1)),React.createElement("div",{className:"flex items-center justify-center gap-1 py-0.5 shrink-0"},React.createElement("button",{onClick:e=>{e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{muted:!track.muted});},title:"Mute",className:"w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition "+(isMuted?'bg-orange-500 text-black border-orange-400':'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100')},"M"),React.createElement("button",{onClick:e=>{e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{solo:!track.solo});},title:"Solo",className:"w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition "+(isSoloed?'bg-yellow-400 text-black border-yellow-300':'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100')},"S")),React.createElement("div",{className:"flex-1 flex items-stretch justify-center gap-1 px-1 py-1 min-h-0"},React.createElement("div",{className:"w-[30px] rounded-sm relative overflow-hidden bg-[#0d0d0d] border border-black/60 flex flex-col items-center cursor-pointer",onMouseDown:function(e){e.preventDefault();var rect=e.currentTarget.getBoundingClientRect();var tid=track.id;function onMove(ev){var pct=1-Math.max(0,Math.min(1,(ev.clientY-rect.top)/rect.height));var val=Math.round((pct*72-60)*2)/2;if(onUpdateTrack)onUpdateTrack(tid,{volumeDb:val});}function onUp(){document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);}document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);onMove(e);}},/* 0dB reference line */React.createElement("div",{className:"absolute w-full h-px bg-amber-400/60 z-10 pointer-events-none",style:{bottom:'83.333%'}}),/* Background gradient */React.createElement("div",{className:"absolute inset-0",style:{background:'linear-gradient(to top, #22c55e, #eab308, #ef4444)'}}),/* Level overlay - dark at TOP, gradient visible at bottom */React.createElement("div",{className:"absolute top-0 w-full transition-all duration-75 bg-[#0d0d0d]",style:{height:100-pct+'%'}})),React.createElement("canvas",{ref:el=>{if(el)trackVuRefs.current[track.id+'_mixer']=el;else delete trackVuRefs.current[track.id+'_mixer'];},width:15,height:120,className:"w-[15px] rounded-sm bg-[#0d0d0d] border border-black/60 block h-full"})),React.createElement("div",{className:"text-center text-[9px] font-mono font-bold py-0.5 "+(vol>0?'text-orange-400':'text-zinc-300')+" bg-[#1c1c1c] border-t border-black/50 shrink-0"},dbLabel),React.createElement("div",{className:"text-[8px] font-mono truncate w-full text-center px-1 py-0.5 bg-[#222] border-t border-black/60 shrink-0",style:{color:trackColor}},track.name));};// ── Master Strip Console Component (from md/47_MASTER_STRIP_CONSOLE.md) ──
-const MasterStripConsole=({masterVolume,setMasterVolume,showMasteringModal,setShowMasteringModal,masteringSettings,setMasteringSettings,isPlaying})=>{const[isFxActive,setIsFxActive]=React.useState(true);const[isTestPlaying,setIsTestPlaying]=React.useState(false);const[isMuted,setIsMuted]=React.useState(false);const[isMono,setIsMono]=React.useState(false);const[pan,setPan]=React.useState(0.0);const[panText,setPanText]=React.useState('');const vuCanvasRef=React.useRef(null);const testSourceRef=React.useRef(null);const animFrameRef=React.useRef(null);const rmsValRef=React.useRef(null);const peakLRef=React.useRef(null);const peakRRef=React.useRef(null);const panPointerRef=React.useRef(null);const isPanDraggingRef=React.useRef(false);const panStartYRef=React.useRef(0);const startPanValRef=React.useRef(0);const ensureAudio=()=>{getAudioContext();};const handleFaderChange=val=>{setMasterVolume(val);ensureAudio();if(masterBus&&masterBus.output){const linear=val<=-50?0:Math.pow(10,val/20);masterBus.output.gain.setTargetAtTime(linear,audioCtx.currentTime,0.01);}};const handlePanPointerDown=e=>{isPanDraggingRef.current=true;panStartYRef.current=e.clientY;startPanValRef.current=pan;e.currentTarget.setPointerCapture(e.pointerId);};const handlePanPointerMove=e=>{if(!isPanDraggingRef.current)return;const deltaY=panStartYRef.current-e.clientY;let newPan=startPanValRef.current+deltaY/80;newPan=Math.min(1.0,Math.max(-1.0,newPan));setPan(newPan);const angle=newPan*120;if(panPointerRef.current)panPointerRef.current.style.transform=`rotate(${angle}deg)`;if(newPan===0)setPanText('center');else if(newPan<0)setPanText('L'+Math.abs(Math.round(newPan*100)));else setPanText('R'+Math.round(newPan*100));};const handlePanPointerUp=e=>{isPanDraggingRef.current=false;try{e.currentTarget.releasePointerCapture(e.pointerId);}catch(err){}};const startTestAudio=()=>{ensureAudio();if(audioCtx.state==='suspended')audioCtx.resume();stopTestAudio();const sampleRate=audioCtx.sampleRate;const bufferSize=sampleRate*2;const buffer=audioCtx.createBuffer(2,bufferSize,sampleRate);const left=buffer.getChannelData(0);const right=buffer.getChannelData(1);for(let i=0;i<bufferSize;i++){const t=i/sampleRate;const kick=Math.sin(2*Math.PI*(55*Math.exp(-(t%0.5)*15)))*Math.max(0,1-t%0.5*6);const synth=Math.sin(2*Math.PI*440*t)*0.15;left[i]=kick*0.7+synth;right[i]=kick*0.7+synth*0.95;}const source=audioCtx.createBufferSource();source.buffer=buffer;source.loop=true;source.connect(masterBus.input);source.start();testSourceRef.current=source;setIsTestPlaying(true);};const stopTestAudio=()=>{if(testSourceRef.current){try{testSourceRef.current.stop();}catch(e){}try{testSourceRef.current.disconnect();}catch(e){}testSourceRef.current=null;}setIsTestPlaying(false);};React.useEffect(()=>{const canvas=vuCanvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');function render(){animFrameRef.current=requestAnimationFrame(render);canvas.width=canvas.clientWidth;canvas.height=canvas.clientHeight;const w=canvas.width;const h=canvas.height;ctx.clearRect(0,0,w,h);let levelL=0;let levelR=0;if(masterBus&&masterBus.leftAnalyser&&masterBus.rightAnalyser){const leftData=new Uint8Array(256);const rightData=new Uint8Array(256);masterBus.leftAnalyser.getByteTimeDomainData(leftData);masterBus.rightAnalyser.getByteTimeDomainData(rightData);let peakL=0;let peakR=0;for(let i=0;i<leftData.length;i++){const v=Math.abs(leftData[i]-128)/128;if(v>peakL)peakL=v;}for(let i=0;i<rightData.length;i++){const v=Math.abs(rightData[i]-128)/128;if(v>peakR)peakR=v;}levelL=peakL;levelR=peakR;}if(!isMuted&&(isTestPlaying||isPlaying)){const db=masterVolume;const linearGain=db<=-60?0:Math.pow(10,db/20);const baseSignal=0.5*linearGain;if(baseSignal>0){levelL=Math.min(1.0,Math.max(0,baseSignal*(0.9+Math.random()*0.18)));levelR=Math.min(1.0,Math.max(0,baseSignal*(0.88+Math.random()*0.22)));if(isMono){const mono=(levelL+levelR)/2;levelL=mono;levelR=mono;}}}const padding=4;const gap=4;const barW=Math.max(4,(w-padding*2-gap)/2);const grad=ctx.createLinearGradient(0,h,0,0);grad.addColorStop(0,'#10b981');grad.addColorStop(0.7,'#f59e0b');grad.addColorStop(0.95,'#ef4444');ctx.fillStyle=grad;ctx.fillRect(padding,h-levelL*h,barW,levelL*h);ctx.fillRect(padding+barW+gap,h-levelR*h,barW,levelR*h);const maxLevel=Math.max(levelL,levelR);if(rmsValRef.current){rmsValRef.current.innerText=maxLevel>0?(20*Math.log10(maxLevel)-3.2).toFixed(1)+' dB':'-inf';}if(peakLRef.current){peakLRef.current.innerText=levelL>0?(20*Math.log10(levelL)).toFixed(1)+'dB':'-inf';}if(peakRRef.current){peakRRef.current.innerText=levelR>0?(20*Math.log10(levelR)).toFixed(1)+'dB':'-inf';}}render();return()=>{if(animFrameRef.current)cancelAnimationFrame(animFrameRef.current);};},[isTestPlaying,isPlaying,masterVolume,isMuted,isMono]);React.useEffect(()=>{return()=>{stopTestAudio();};},[]);return React.createElement("div",{className:"flex flex-col items-stretch w-[300px] shrink-0 strip-bg rounded-lg p-2 text-slate-300 select-none shadow-2xl relative overflow-hidden"},React.createElement("div",{className:"space-y-1.5 mb-2"},React.createElement("button",{onClick:()=>setShowMasteringModal(true),className:"w-full bg-slate-800 hover:bg-slate-700 text-[10px] font-semibold py-1 rounded border border-slate-700 text-slate-300 tracking-tight"},"MASTERING PANEL"),React.createElement("div",{className:"flex items-center justify-between bg-slate-950 border border-slate-800 rounded px-1.5 py-0.5 text-[10px] font-mono"},React.createElement("span",{className:"text-slate-400 truncate"},"Output 1 / Output 2"),React.createElement("i",{className:"fa-solid fa-circle-notch text-[9px] text-slate-500"}))),React.createElement("div",{className:"flex flex-col items-center my-0.5"},React.createElement("span",{className:"text-[9px] text-slate-400 font-mono"},panText||'center'),React.createElement("div",{className:"flex items-center gap-1"},React.createElement("span",{className:"text-[8px] font-mono text-slate-500 w-5 text-right"},pan<0?'L'+Math.abs(Math.round(pan*100)):''),React.createElement("div",{id:"panDial",className:"w-6 h-6 rounded-full bg-slate-800 border-2 border-slate-600 relative flex items-center justify-center shadow-inner cursor-pointer",title:"Kéo chuột để chỉnh Pan (Left/Right)",onPointerDown:handlePanPointerDown,onPointerMove:handlePanPointerMove,onPointerUp:handlePanPointerUp},React.createElement("div",{ref:panPointerRef,id:"panPointer",className:"w-0.5 h-2 bg-slate-200 rounded absolute top-0.5 transition-transform",style:{transform:'rotate('+pan*120+'deg)'}})),React.createElement("span",{className:"text-[8px] font-mono text-slate-500 w-5 text-left"},pan>0?'R'+Math.round(pan*100):''),React.createElement("span",{ref:React.createRef?null:null,className:"text-[10px] font-bold font-mono text-slate-200 ml-8"},masterVolume<=-50?'-inf':(masterVolume>0?'+':'')+masterVolume.toFixed(1)))),React.createElement("div",{className:"flex gap-1 my-1 justify-between items-stretch min-h-0",style:{flex:'1 1 0%'}},React.createElement("div",{className:"flex-1 flex flex-col bg-black/80 p-1.5 rounded border border-slate-800/90 relative shadow-inner"},React.createElement("div",{className:"flex-1 flex items-stretch justify-between min-h-0"},React.createElement("div",{className:"flex flex-col h-full text-[8px] font-mono text-slate-400 select-none pr-1 text-right border-r border-slate-800/60 overflow-hidden"},React.createElement("span",{className:"flex-1 flex items-center justify-end"},"+12"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"+6"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"0"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-6"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-12"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-18"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-24"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-30"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-36"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-42"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-54")),React.createElement("div",{className:"flex-1 relative bg-slate-950 rounded overflow-hidden mx-1.5 border border-slate-900"},React.createElement("canvas",{ref:vuCanvasRef,className:"w-full h-full block"}),React.createElement("div",{className:"absolute bottom-0.5 inset-x-0 flex justify-around text-[7px] font-mono text-slate-500 font-bold pointer-events-none bg-black/60 py-0.5"},React.createElement("span",null,"L"),React.createElement("span",null,"R"))),React.createElement("div",{className:"flex flex-col h-full text-[8px] font-mono text-slate-400 select-none pl-1 text-left border-l border-slate-800/60 overflow-hidden"},React.createElement("span",{className:"flex-1 flex items-center justify-start"},"+12"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"+6"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"0"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-6"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-12"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-18"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-24"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-30"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-36"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-42"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-54"))),React.createElement("div",{className:"flex justify-between text-[9px] font-mono text-slate-400 mt-0.5"},React.createElement("span",{ref:peakLRef},"-inf"),React.createElement("span",{ref:peakRRef},"-inf"))),React.createElement("div",{className:"w-16 flex items-stretch gap-1 bg-slate-900/60 p-1 rounded border border-slate-800"},React.createElement("div",{className:"flex-1 flex flex-col items-center justify-center relative fader-track rounded"},React.createElement("div",{className:"w-0.5 flex-1 bg-slate-700 absolute"}),React.createElement("input",{id:"masterFader",type:"range",min:"-60",max:"12",step:"0.5",value:masterVolume,className:"fader-slider w-full z-10",orient:"vertical",onChange:function(e){handleFaderChange(parseFloat(e.target.value));}})),React.createElement("div",{className:"relative w-5 text-[7px] font-mono text-slate-500 select-none overflow-hidden"},React.createElement("span",{className:"absolute",style:{top:'0%',right:'2px'}},"+12"),React.createElement("span",{className:"absolute",style:{top:'8.3%',right:'2px'}},"+6"),React.createElement("span",{className:"absolute",style:{top:'16.7%',right:'2px'}},"0"),React.createElement("span",{className:"absolute",style:{top:'25%',right:'2px'}},"-6"),React.createElement("span",{className:"absolute",style:{top:'33.3%',right:'2px'}},"-12"),React.createElement("span",{className:"absolute",style:{top:'50%',right:'2px'}},"-24"),React.createElement("span",{className:"absolute",style:{top:'66.7%',right:'2px'}},"-36"),React.createElement("span",{className:"absolute",style:{top:'91.7%',right:'2px'}},"-54"))),React.createElement("div",{className:"w-8 flex flex-col justify-between text-[10px] font-bold"},React.createElement("button",{id:"monoBtn",onClick:function(){setIsMono(function(p){return!p;});},className:"btn-daw h-[18px] rounded flex flex-col items-center justify-center text-[8px]"+(isMono?" btn-mono-active":""),title:"Mono Switch"},React.createElement("i",{className:"fa-solid fa-circle-half-stroke text-[9px]"}),React.createElement("span",null,"MONO")),React.createElement("button",{id:"muteBtn",onClick:function(){setIsMuted(function(p){return!p;});},className:"btn-daw h-[18px] rounded text-amber-500 font-bold hover:text-amber-400"+(isMuted?" btn-mute-active":""),title:"Mute Master Output"},"M"),React.createElement("button",{id:"soloBtn",className:"btn-daw h-[18px] rounded text-yellow-400 font-bold hover:text-yellow-300",title:"Solo Master"},"S"),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 hover:text-slate-200",title:"Route Matrix"},React.createElement("i",{className:"fa-solid fa-diagram-project text-[9px]"})),React.createElement("button",{id:"fxBtn",className:"btn-daw h-[18px] rounded font-extrabold text-[10px] transition-all"+(isFxActive?" btn-teal-active":""),onClick:function(){setShowMasteringModal(true);},title:"Mở MASTERING PANEL để chỉnh sửa"},"FX"),React.createElement("button",{id:"powerBtn",className:"btn-daw h-[18px] rounded text-xs transition-all"+(isFxActive?" btn-teal-active":""),onClick:function(){var newActive=!isFxActive;setIsFxActive(newActive);if(setMasteringSettings){setMasteringSettings(function(prev){return Object.assign({},prev,{isBypassed:!newActive,masterConnected:newActive});});}},title:"Bật/Tắt MASTERING PANEL Bypass"},React.createElement("i",{className:"fa-solid fa-power-off"})),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 text-[8px]",title:"Trim Envelope"},"TRIM"),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 text-[9px]",title:"Session Info"},React.createElement("i",{className:"fa-solid fa-info"})))),React.createElement("div",{className:"text-center text-[10px] font-bold font-mono text-slate-200 shrink-0"},masterVolume<=-50?'-inf':(masterVolume>0?'+':'')+masterVolume.toFixed(1)),React.createElement("div",{className:"shrink-0 border-t border-slate-800 flex flex-col items-center"},React.createElement("div",{className:"flex justify-between w-full text-[9px] font-mono py-0.5"},React.createElement("span",{className:"text-emerald-400"},"RMS"),React.createElement("span",{ref:rmsValRef,className:"text-emerald-400 font-bold"},"-inf")),React.createElement("div",{className:"w-full flex items-center justify-between bg-black/80 py-0.5 rounded border border-slate-800 text-[10px] font-extrabold tracking-widest text-slate-100 uppercase px-1"},React.createElement("span",null,"MASTER"),isTestPlaying?React.createElement("button",{onClick:stopTestAudio,className:"text-[8px] bg-red-900 hover:bg-red-800 text-red-300 rounded px-1 py-0.5 transition-colors"},"STOP TEST"):React.createElement("button",{onClick:startTestAudio,className:"text-[8px] bg-slate-800 hover:bg-slate-700 text-slate-300 rounded px-1 py-0.5 transition-colors"},"TEST"))));};// ── Track Strip Console Component (from md/48_TRACK_STRIP_COMPONENT.md) ──
+const MasterStripConsole=({masterVolume,setMasterVolume,showMasteringModal,setShowMasteringModal,masteringSettings,setMasteringSettings,isPlaying})=>{const[isFxActive,setIsFxActive]=React.useState(true);const[isTestPlaying,setIsTestPlaying]=React.useState(false);const[isMuted,setIsMuted]=React.useState(false);const[isMono,setIsMono]=React.useState(false);const[pan,setPan]=React.useState(0.0);const[panText,setPanText]=React.useState('');const vuCanvasRef=React.useRef(null);const testSourceRef=React.useRef(null);const animFrameRef=React.useRef(null);const rmsValRef=React.useRef(null);const peakLRef=React.useRef(null);const peakRRef=React.useRef(null);const panPointerRef=React.useRef(null);const isPanDraggingRef=React.useRef(false);const panStartYRef=React.useRef(0);const startPanValRef=React.useRef(0);const ensureAudio=()=>{getAudioContext();};const handleFaderChange=val=>{setMasterVolume(val);ensureAudio();if(masterBus&&masterBus.output){const linear=val<=-50?0:Math.pow(10,val/20);masterBus.output.gain.setTargetAtTime(linear,audioCtx.currentTime,0.01);}};const handlePanPointerDown=e=>{isPanDraggingRef.current=true;panStartYRef.current=e.clientY;startPanValRef.current=pan;e.currentTarget.setPointerCapture(e.pointerId);};const handlePanPointerMove=e=>{if(!isPanDraggingRef.current)return;const deltaY=panStartYRef.current-e.clientY;let newPan=startPanValRef.current+deltaY/80;newPan=Math.min(1.0,Math.max(-1.0,newPan));setPan(newPan);const angle=newPan*120;if(panPointerRef.current)panPointerRef.current.style.transform=`rotate(${angle}deg)`;if(newPan===0)setPanText('center');else if(newPan<0)setPanText('L'+Math.abs(Math.round(newPan*100)));else setPanText('R'+Math.round(newPan*100));};const handlePanPointerUp=e=>{isPanDraggingRef.current=false;try{e.currentTarget.releasePointerCapture(e.pointerId);}catch(err){}};const startTestAudio=()=>{ensureAudio();if(audioCtx.state==='suspended')audioCtx.resume();stopTestAudio();const sampleRate=audioCtx.sampleRate;const bufferSize=sampleRate*2;const buffer=audioCtx.createBuffer(2,bufferSize,sampleRate);const left=buffer.getChannelData(0);const right=buffer.getChannelData(1);for(let i=0;i<bufferSize;i++){const t=i/sampleRate;const kick=Math.sin(2*Math.PI*(55*Math.exp(-(t%0.5)*15)))*Math.max(0,1-t%0.5*6);const synth=Math.sin(2*Math.PI*440*t)*0.15;left[i]=kick*0.7+synth;right[i]=kick*0.7+synth*0.95;}const source=audioCtx.createBufferSource();source.buffer=buffer;source.loop=true;source.connect(masterBus.input);source.start();testSourceRef.current=source;setIsTestPlaying(true);};const stopTestAudio=()=>{if(testSourceRef.current){try{testSourceRef.current.stop();}catch(e){}try{testSourceRef.current.disconnect();}catch(e){}testSourceRef.current=null;}setIsTestPlaying(false);};React.useEffect(()=>{const canvas=vuCanvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');function render(){animFrameRef.current=requestAnimationFrame(render);canvas.width=canvas.clientWidth;canvas.height=canvas.clientHeight;const w=canvas.width;const h=canvas.height;ctx.clearRect(0,0,w,h);let levelL=0;let levelR=0;if(masterBus&&masterBus.leftAnalyser&&masterBus.rightAnalyser){const leftData=new Uint8Array(256);const rightData=new Uint8Array(256);masterBus.leftAnalyser.getByteTimeDomainData(leftData);masterBus.rightAnalyser.getByteTimeDomainData(rightData);let peakL=0;let peakR=0;for(let i=0;i<leftData.length;i++){const v=Math.abs(leftData[i]-128)/128;if(v>peakL)peakL=v;}for(let i=0;i<rightData.length;i++){const v=Math.abs(rightData[i]-128)/128;if(v>peakR)peakR=v;}levelL=peakL;levelR=peakR;}if(!isMuted&&(isTestPlaying||isPlaying)){const db=masterVolume;const linearGain=db<=-60?0:Math.pow(10,db/20);const baseSignal=0.5*linearGain;if(baseSignal>0){levelL=Math.min(1.0,Math.max(0,baseSignal*(0.9+Math.random()*0.18)));levelR=Math.min(1.0,Math.max(0,baseSignal*(0.88+Math.random()*0.22)));if(isMono){const mono=(levelL+levelR)/2;levelL=mono;levelR=mono;}}}const padding=4;const gap=4;const barW=Math.max(4,(w-padding*2-gap)/2);const grad=ctx.createLinearGradient(0,h,0,0);grad.addColorStop(0,'#10b981');grad.addColorStop(0.7,'#f59e0b');grad.addColorStop(0.95,'#ef4444');ctx.fillStyle=grad;ctx.fillRect(padding,h-levelL*h,barW,levelL*h);ctx.fillRect(padding+barW+gap,h-levelR*h,barW,levelR*h);const maxLevel=Math.max(levelL,levelR);if(rmsValRef.current){rmsValRef.current.innerText=maxLevel>0?(20*Math.log10(maxLevel)-3.2).toFixed(1)+' dB':'-inf';}if(peakLRef.current){peakLRef.current.innerText=levelL>0?(20*Math.log10(levelL)).toFixed(1)+'dB':'-inf';}if(peakRRef.current){peakRRef.current.innerText=levelR>0?(20*Math.log10(levelR)).toFixed(1)+'dB':'-inf';}}render();return()=>{if(animFrameRef.current)cancelAnimationFrame(animFrameRef.current);};},[isTestPlaying,isPlaying,masterVolume,isMuted,isMono]);React.useEffect(()=>{return()=>{stopTestAudio();};},[]);return React.createElement("div",{className:"flex flex-col items-stretch w-[300px] shrink-0 strip-bg rounded-lg p-2 text-slate-300 select-none shadow-2xl relative overflow-hidden"},React.createElement("div",{className:"space-y-1.5 mb-2"},React.createElement("button",{onClick:()=>setShowMasteringModal(true),className:"w-full bg-slate-800 hover:bg-slate-700 text-[10px] font-semibold py-1 rounded border border-slate-700 text-slate-300 tracking-tight"},"MASTERING PANEL"),React.createElement("div",{className:"flex items-center justify-between bg-slate-950 border border-slate-800 rounded px-1.5 py-0.5 text-[10px] font-mono"},React.createElement("span",{className:"text-slate-400 truncate"},"Output 1 / Output 2"),React.createElement("i",{className:"fa-solid fa-circle-notch text-[9px] text-slate-500"}))),React.createElement("div",{className:"flex flex-col items-center my-0.5"},React.createElement("span",{className:"text-[9px] text-slate-400 font-mono"},panText||'center'),React.createElement("div",{className:"flex items-center gap-1"},React.createElement("span",{className:"text-[8px] font-mono text-slate-500 w-5 text-right"},pan<0?'L'+Math.abs(Math.round(pan*100)):''),React.createElement("div",{id:"panDial",className:"w-6 h-6 rounded-full bg-slate-800 border-2 border-slate-600 relative flex items-center justify-center shadow-inner cursor-pointer",title:"Kéo chuột để chỉnh Pan (Left/Right)",onPointerDown:handlePanPointerDown,onPointerMove:handlePanPointerMove,onPointerUp:handlePanPointerUp,onDoubleClick:function(){setPan(0);setPanText('center');if(panPointerRef.current)panPointerRef.current.style.transform='rotate(0deg)';}},React.createElement("div",{ref:panPointerRef,id:"panPointer",className:"w-0.5 h-2 bg-slate-200 rounded absolute top-0.5 transition-transform",style:{transform:'rotate('+pan*120+'deg)'}})),React.createElement("span",{className:"text-[8px] font-mono text-slate-500 w-5 text-left"},pan>0?'R'+Math.round(pan*100):''),React.createElement("span",{ref:React.createRef?null:null,className:"text-[10px] font-bold font-mono text-slate-200 ml-8",onDoubleClick:function(){handleFaderChange(0);}},masterVolume<=-50?'-inf':(masterVolume>0?'+':'')+masterVolume.toFixed(1)))),React.createElement("div",{className:"flex gap-1 my-1 justify-between items-stretch min-h-0",style:{flex:'1 1 0%'}},React.createElement("div",{className:"flex-1 flex flex-col bg-black/80 p-1.5 rounded border border-slate-800/90 relative shadow-inner"},React.createElement("div",{className:"flex-1 flex items-stretch justify-between min-h-0"},React.createElement("div",{className:"flex flex-col h-full text-[8px] font-mono text-slate-400 select-none pr-1 text-right border-r border-slate-800/60 overflow-hidden"},React.createElement("span",{className:"flex-1 flex items-center justify-end"},"+12"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"+6"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"0"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-6"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-12"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-18"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-24"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-30"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-36"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-42"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-54")),React.createElement("div",{className:"flex-1 relative bg-slate-950 rounded overflow-hidden mx-1.5 border border-slate-900"},React.createElement("canvas",{ref:vuCanvasRef,className:"w-full h-full block"}),React.createElement("div",{className:"absolute bottom-0.5 inset-x-0 flex justify-around text-[7px] font-mono text-slate-500 font-bold pointer-events-none bg-black/60 py-0.5"},React.createElement("span",null,"L"),React.createElement("span",null,"R"))),React.createElement("div",{className:"flex flex-col h-full text-[8px] font-mono text-slate-400 select-none pl-1 text-left border-l border-slate-800/60 overflow-hidden"},React.createElement("span",{className:"flex-1 flex items-center justify-start"},"+12"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"+6"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"0"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-6"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-12"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-18"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-24"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-30"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-36"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-42"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-54"))),React.createElement("div",{className:"flex justify-between text-[9px] font-mono text-slate-400 mt-0.5"},React.createElement("span",{ref:peakLRef},"-inf"),React.createElement("span",{ref:peakRRef},"-inf"))),React.createElement("div",{className:"w-16 flex items-stretch gap-1 bg-slate-900/60 p-1 rounded border border-slate-800"},React.createElement("div",{className:"flex-1 flex flex-col items-center justify-center relative fader-track rounded",onWheel:function(e){e.preventDefault();var delta=e.deltaY>0?-0.5:0.5;handleFaderChange(Math.max(-60,Math.min(12,masterVolume+delta)));}},React.createElement("div",{className:"w-0.5 flex-1 bg-slate-700 absolute"}),React.createElement("input",{id:"masterFader",type:"range",min:"-60",max:"12",step:"0.5",value:masterVolume,className:"fader-slider w-full z-10",orient:"vertical",onChange:function(e){handleFaderChange(parseFloat(e.target.value));},onDoubleClick:function(){handleFaderChange(0);}})),React.createElement("div",{className:"relative w-5 text-[7px] font-mono text-slate-500 select-none overflow-hidden"},React.createElement("span",{className:"absolute",style:{top:'0%',right:'2px'}},"+12"),React.createElement("span",{className:"absolute",style:{top:'8.3%',right:'2px'}},"+6"),React.createElement("span",{className:"absolute",style:{top:'16.7%',right:'2px'}},"0"),React.createElement("span",{className:"absolute",style:{top:'25%',right:'2px'}},"-6"),React.createElement("span",{className:"absolute",style:{top:'33.3%',right:'2px'}},"-12"),React.createElement("span",{className:"absolute",style:{top:'50%',right:'2px'}},"-24"),React.createElement("span",{className:"absolute",style:{top:'66.7%',right:'2px'}},"-36"),React.createElement("span",{className:"absolute",style:{top:'91.7%',right:'2px'}},"-54"))),React.createElement("div",{className:"w-8 flex flex-col justify-between text-[10px] font-bold"},React.createElement("button",{id:"monoBtn",onClick:function(){setIsMono(function(p){return!p;});},className:"btn-daw h-[18px] rounded flex flex-col items-center justify-center text-[8px]"+(isMono?" btn-mono-active":""),title:"Mono Switch"},React.createElement("i",{className:"fa-solid fa-circle-half-stroke text-[9px]"}),React.createElement("span",null,"MONO")),React.createElement("button",{id:"muteBtn",onClick:function(){setIsMuted(function(p){return!p;});},className:"btn-daw h-[18px] rounded text-amber-500 font-bold hover:text-amber-400"+(isMuted?" btn-mute-active":""),title:"Mute Master Output"},"M"),React.createElement("button",{id:"soloBtn",className:"btn-daw h-[18px] rounded text-yellow-400 font-bold hover:text-yellow-300",title:"Solo Master"},"S"),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 hover:text-slate-200",title:"Route Matrix"},React.createElement("i",{className:"fa-solid fa-diagram-project text-[9px]"})),React.createElement("button",{id:"fxBtn",className:"btn-daw h-[18px] rounded font-extrabold text-[10px] transition-all"+(isFxActive?" btn-teal-active":""),onClick:function(){setShowMasteringModal(true);},title:"Mở MASTERING PANEL để chỉnh sửa"},"FX"),React.createElement("button",{id:"powerBtn",className:"btn-daw h-[18px] rounded text-xs transition-all"+(isFxActive?" btn-teal-active":""),onClick:function(){var newActive=!isFxActive;setIsFxActive(newActive);if(setMasteringSettings){setMasteringSettings(function(prev){return Object.assign({},prev,{isBypassed:!newActive,masterConnected:newActive});});}},title:"Bật/Tắt MASTERING PANEL Bypass"},React.createElement("i",{className:"fa-solid fa-power-off"})),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 text-[8px]",title:"Trim Envelope"},"TRIM"),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 text-[9px]",title:"Session Info"},React.createElement("i",{className:"fa-solid fa-info"})))),React.createElement("div",{className:"text-center text-[10px] font-bold font-mono text-slate-200 shrink-0"},masterVolume<=-50?'-inf':(masterVolume>0?'+':'')+masterVolume.toFixed(1)),React.createElement("div",{className:"shrink-0 border-t border-slate-800 flex flex-col items-center"},React.createElement("div",{className:"flex justify-between w-full text-[9px] font-mono py-0.5"},React.createElement("span",{className:"text-emerald-400"},"RMS"),React.createElement("span",{ref:rmsValRef,className:"text-emerald-400 font-bold"},"-inf")),React.createElement("div",{className:"w-full flex items-center justify-between bg-black/80 py-0.5 rounded border border-slate-800 text-[10px] font-extrabold tracking-widest text-slate-100 uppercase px-1"},React.createElement("span",null,"MASTER"),isTestPlaying?React.createElement("button",{onClick:stopTestAudio,className:"text-[8px] bg-red-900 hover:bg-red-800 text-red-300 rounded px-1 py-0.5 transition-colors"},"STOP TEST"):React.createElement("button",{onClick:startTestAudio,className:"text-[8px] bg-slate-800 hover:bg-slate-700 text-slate-300 rounded px-1 py-0.5 transition-colors"},"TEST"))));};// ── Track Strip Console Component (from md/48_TRACK_STRIP_COMPONENT.md) ──
 const TrackStripConsole=({track,index,onUpdateTrack,trackVuRefs})=>{var vol=track.volumeDb!=null?track.volumeDb:0;var trackColor=track.color||'#06b6d4';var isMuted=track.muted;var isSoloed=track.solo;var isArmed=track.armed;var trackName=track.name||'Track '+(index+1);const[pan,setPan]=React.useState(0.0);const[panLabel,setPanLabel]=React.useState('center');const[isPhaseInverted,setIsPhaseInverted]=React.useState(false);const[isFxActive,setIsFxActive]=React.useState(true);const panPointerRef=React.useRef(null);const peakDbRef=React.useRef(null);const vuCanvasRef=React.useRef(null);const vuAnimRef=React.useRef(null);const handleFaderMouseDown=e=>{e.preventDefault();var rect=e.currentTarget.getBoundingClientRect();var tid=track.id;function onMove(ev){var pct=1-Math.max(0,Math.min(1,(ev.clientY-rect.top)/rect.height));var val=Math.round((pct*72-60)*2)/2;if(onUpdateTrack)onUpdateTrack(tid,{volumeDb:val});}function onUp(){document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);}document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);onMove(e);};const handlePanPointerDown=e=>{e.currentTarget._panStartY=e.clientY;e.currentTarget._startPan=pan;e.currentTarget.setPointerCapture(e.pointerId);function onMove(ev){if(!e.currentTarget)return;var deltaY=e.currentTarget._panStartY-ev.clientY;var newPan=Math.min(1.0,Math.max(-1.0,e.currentTarget._startPan+deltaY/80));setPan(newPan);var angle=newPan*120;if(panPointerRef.current)panPointerRef.current.style.transform='rotate('+angle+'deg)';if(newPan===0)setPanLabel('center');else if(newPan<0)setPanLabel('L'+Math.abs(Math.round(newPan*100)));else setPanLabel('R'+Math.round(newPan*100));}function onUp(){document.removeEventListener('pointermove',onMove);document.removeEventListener('pointerup',onUp);}document.addEventListener('pointermove',onMove);document.addEventListener('pointerup',onUp);};React.useEffect(function(){var canvas=vuCanvasRef.current;if(!canvas)return;var ctx=canvas.getContext('2d');function render(){vuAnimRef.current=requestAnimationFrame(render);canvas.width=canvas.clientWidth;canvas.height=canvas.clientHeight;var w=canvas.width;var h=canvas.height;ctx.clearRect(0,0,w,h);var level=0;if(!isMuted){var db=vol;var linearGain=db<=-60?0:Math.pow(10,db/20);if(linearGain>0){level=Math.min(1.0,(0.25+Math.random()*0.6)*linearGain);}}var barH=level*h;var grad=ctx.createLinearGradient(0,h,0,0);grad.addColorStop(0,'#10b981');grad.addColorStop(0.7,'#f59e0b');grad.addColorStop(0.95,'#ef4444');ctx.fillStyle=grad;ctx.fillRect(1,h-barH,w-2,barH);if(peakDbRef.current){peakDbRef.current.innerText=level>0?(20*Math.log10(level)).toFixed(1)+'dB':'-inf';}}render();return function(){if(vuAnimRef.current)cancelAnimationFrame(vuAnimRef.current);};},[vol,isMuted]);return React.createElement("div",{className:"flex flex-col items-stretch w-[145px] shrink-0 strip-bg-track rounded-md text-slate-300 select-none shadow-2xl border border-slate-900 overflow-hidden"},/* 1. Top Track Color Accent Bar */React.createElement("div",{className:"h-1.5 w-full shrink-0 transition-colors",style:{backgroundColor:trackColor}}),/* 2. Pan Rotary Dial Area */React.createElement("div",{className:"h-[46px] shrink-0 py-1 px-2 flex flex-col items-center justify-center border-b border-slate-700/40",style:{backgroundColor:trackColor+'15'}},React.createElement("div",{className:"w-6 h-6 rounded-full bg-slate-800 border-2 border-slate-400 relative flex items-center justify-center cursor-pointer shadow-md",title:"Kéo chuột lên/xuống để chỉnh Pan",onPointerDown:handlePanPointerDown},React.createElement("div",{ref:panPointerRef,className:"w-0.5 h-2 rounded absolute top-0.5 transition-transform",style:{backgroundColor:trackColor,transform:'rotate(0deg)'}})),React.createElement("span",{className:"text-[8px] font-mono mt-0.5 font-semibold",style:{color:trackColor}},panLabel)),/* 3. Center Area: Peak dB + Fader + VU + Button Stack */React.createElement("div",{className:"flex-1 p-1 flex gap-1 justify-between items-stretch min-h-0"},/* Left Fader & VU Column */React.createElement("div",{className:"flex-1 flex flex-col justify-between items-center bg-black/60 p-1 rounded border border-slate-800/80"},React.createElement("div",{className:"w-full flex justify-center text-[8px] font-mono text-slate-400 h-4 items-center"},React.createElement("span",{ref:peakDbRef},"-inf")),React.createElement("div",{className:"flex items-center justify-around w-full flex-1 relative py-1"},/* Fader Rail */React.createElement("div",{className:"relative fader-track-bg w-3 flex-1 rounded flex items-center justify-center",onMouseDown:handleFaderMouseDown},React.createElement("div",{className:"w-0.5 h-full bg-slate-700 absolute"}),React.createElement("input",{type:"range",min:"-60",max:"12",step:"0.5",value:vol,className:"fader-slider w-full h-full z-10",onChange:function(e){var val=parseFloat(e.target.value);if(onUpdateTrack)onUpdateTrack(track.id,{volumeDb:val});}})),/* VU Meter */React.createElement("div",{className:"w-2.5 flex-1 bg-slate-950 rounded border border-slate-900 overflow-hidden relative",title:"Peak VU Meter"},React.createElement("canvas",{ref:vuCanvasRef,className:"w-full h-full block"})))),/* Right Button Stack */React.createElement("div",{className:"w-7 flex flex-col justify-between text-[8px] font-bold shrink-0"},React.createElement("button",{onClick:function(e){e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{muted:!track.muted});},className:"btn-daw h-[24px] rounded text-amber-500 font-extrabold flex items-center justify-center"+(isMuted?" btn-mute-active":""),title:"Mute Track"},"M"),React.createElement("button",{onClick:function(e){e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{solo:!track.solo});},className:"btn-daw h-[24px] rounded text-yellow-400 font-extrabold flex items-center justify-center"+(isSoloed?" btn-solo-active":""),title:"Solo Track"},"S"),React.createElement("button",{className:"btn-daw h-[24px] rounded text-emerald-400 flex items-center justify-center",title:"Routing Matrix"},React.createElement("i",{className:"fa-solid fa-bars-staggered text-[8px]"})),React.createElement("button",{className:"btn-daw h-[24px] rounded text-slate-300 font-semibold flex items-center justify-center text-[7px]",title:"Track FX Chain"},"FX"),React.createElement("button",{onClick:function(){setIsFxActive(function(p){return!p;});},className:"btn-daw h-[24px] rounded flex items-center justify-center text-[8px]"+(isFxActive?" text-emerald-400":" text-slate-500"),title:"Toggle FX Power"},React.createElement("i",{className:"fa-solid fa-power-off"})),React.createElement("button",{className:"btn-daw h-[24px] rounded text-slate-400 flex items-center justify-center",title:"Automation Envelopes"},React.createElement("i",{className:"fa-solid fa-chart-line text-[8px]"})),React.createElement("button",{onClick:function(){setIsPhaseInverted(function(p){return!p;});},className:"btn-daw h-[24px] rounded flex items-center justify-center text-[9px]"+(isPhaseInverted?" bg-amber-600 text-white":" text-slate-400"),title:"Phase Invert"},"\u00D8"))),/* 4. Record Arm Button Row */React.createElement("div",{className:"h-[28px] shrink-0 flex items-center justify-between mx-1.5 px-1.5 bg-black/40 rounded border border-slate-800/60"},React.createElement("i",{className:"fa-solid fa-volume-high text-[9px] text-slate-400",title:"Input Monitoring"}),React.createElement("button",{onClick:function(e){e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{armed:!track.armed});},className:"w-5 h-5 rounded-full flex items-center justify-center transition-all shadow-inner"+(isArmed?" btn-arm-active border-red-400":" bg-red-950 border-2 border-red-800 text-red-500"),title:"Arm for Recording"},React.createElement("i",{className:"fa-solid fa-circle text-[8px]"}))),/* 5. Track Name Identifier */React.createElement("div",{className:"h-[26px] shrink-0 mx-1.5 flex items-center justify-center bg-slate-950/80 rounded border border-slate-800/80"},React.createElement("span",{className:"text-[11px] font-bold tracking-wider font-sans uppercase",style:{color:trackColor}},trackName)),/* 6. Footer Bar */React.createElement("div",{className:"h-[22px] shrink-0 w-full text-slate-950 flex items-center justify-center font-extrabold text-xs font-mono tracking-widest transition-colors",style:{backgroundColor:trackColor}},index+1));};const WaveformLane=({track,zoom,timelineWidth,viewportWidth,onSelectRange,onPlayheadSet,isSelected,onSelectTrack,markers,selectionMode,localSelectionTrackId,localSelectionStart,currentTime,getLocalAnchor,onClearLocalSelection,onDeselectItem,onAddToSelection,onSetPendingDrag,onSetSelectionMode,onSetSelectionStart,onSetSelectionEnd,onSetCurrentTime,onSetLocalSelectionTrackId,onSetLocalSelectionStart,onSetLocalSelectionEnd,localSelLeft,localSelRight,onTrackLaneMouseDown,onContextMenu,onClipDragStart,onClipStretchStart,onSectionItemDragStart,onSectionItemResizeStart,onEditSectionInTab,onEditMidiInTab,onSelectionEdgeDragStart,setSelectedClipId,selectedClipId,activeTool,onSplitTrackAtTime,onEditClipInSubTab,selectedItemIds,onClearSelection,onSweepSelectStart,snapValue,bpm,scrollLeft,recordingState,recTempMidiNotes,recTempAudioBuffer,recStartTimelineTime,canvasRedrawCount})=>{const canvasRef=useRef(null);const drawWidth=Math.min(timelineWidth,viewportWidth);const leadInMargin=0;useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;let scrollLeftVal=scrollLeft||0;let el=canvas.parentElement;while(el){if(el.scrollLeft!==undefined&&(el.scrollWidth>el.clientWidth||el.scrollLeft>0)){scrollLeftVal=el.scrollLeft;break;}el=el.parentElement;}const vWidth=viewportWidth||1200;const height=canvas.parentElement?canvas.parentElement.clientHeight:96;canvas.width=Math.min(Math.round(drawWidth*dpr),32768);canvas.height=Math.min(Math.round(height*dpr),32768);ctx.scale(dpr,dpr);ctx.imageSmoothingEnabled=false;canvas.style.width=`${drawWidth}px`;canvas.style.height=`${height}px`;ctx.fillStyle=isSelected?'#2a2a2a':track.id%2===0?'#181818':'#1d1d1d';ctx.fillRect(0,0,drawWidth,height);// Grid lines based on Snap value
 ctx.strokeStyle='rgba(255, 255, 255, 0.03)';ctx.lineWidth=1;const beatDuration=60.0/(parseFloat(bpm)||120);const barDuration=beatDuration*4;const leadIn=0;const CLIP_BUFFER=Math.max(400,barDuration*zoom+200);const PADDING_LEFT=0;const tStart=(scrollLeftVal-leadIn*zoom)/zoom-PADDING_LEFT;const tEnd=(scrollLeftVal+drawWidth-leadIn*zoom)/zoom+CLIP_BUFFER/zoom;const firstBeatNum=Math.floor(tStart/beatDuration);const lastBeatNum=Math.ceil(tEnd/beatDuration);let snapDivisor=1;if(snapValue&&snapValue!=='free'){if(snapValue==='4')snapDivisor=4;else if(snapValue==='1')snapDivisor=1;else if(snapValue==='1/2')snapDivisor=0.5;else if(snapValue==='1/4')snapDivisor=0.25;else if(snapValue==='1/8')snapDivisor=0.125;else if(snapValue==='1/16')snapDivisor=0.0625;else if(snapValue==='1/32')snapDivisor=0.03125;}for(let bn=firstBeatNum;bn<=lastBeatNum;bn++){const t=bn*beatDuration;const beatNum=bn+1;const isBar=beatNum%4===1;const localX=(t-tStart)*zoom;if(localX<-CLIP_BUFFER||localX>drawWidth+CLIP_BUFFER)continue;ctx.strokeStyle=isBar?'rgba(255, 255, 255, 0.12)':'rgba(255, 255, 255, 0.04)';ctx.lineWidth=isBar?1.2:0.5;ctx.beginPath();ctx.moveTo(localX,0);ctx.lineTo(localX,height);ctx.stroke();if(isBar&&zoom>=2){ctx.fillStyle='rgba(255, 255, 255, 0.15)';ctx.font='bold 7px Inter, sans-serif';ctx.textAlign='left';ctx.fillText(`${Math.floor((beatNum-1)/4)}`,localX+2,10);}}// Draw waveform lane
 const clips=[...(track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[])];if(recordingState==='RECORDING'&&track.isArmed&&track.inputSource?.deviceType==='MICROPHONE'&&recTempAudioBuffer){clips.push({id:'rec_temp_'+track.id,buffer:recTempAudioBuffer,startTime:recStartTimelineTime,name:'[GHI ÂM...]',speed:1.0,isTemp:true});}if(clips.length>0){clips.forEach(clip=>{const numChannels=clip.buffer.numberOfChannels||1;const dataL=clip.buffer.getChannelData(0);const dataR=numChannels>=2?clip.buffer.getChannelData(1):dataL;const sampleRate=clip.buffer.sampleRate;const totalSamples=dataL.length;const originalDuration=totalSamples/sampleRate;const clipSpeed=clip.speed||1.0;const duration=originalDuration/clipSpeed;const clipStartTime=clip.startTime||0;const clipEndTime=clipStartTime+duration;// Culling: Skip rendering if clip is outside visible viewport window