diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx
index 5fa90c2..10aa172 100644
--- a/app/static/js/app.jsx
+++ b/app/static/js/app.jsx
@@ -531,7 +531,7 @@ const WaveformLane = ({
 
         // 1. Draw Clip Layer Background & Border
         const clipIdentifier = clip.id === 'default' ? 'default_' + track.id : clip.id;
-        const isClipSelected = selectedClipId && selectedClipId.trackId === track.id && selectedClipId.clipId === clipIdentifier;
+        const isClipSelected = (selectedClipId && selectedClipId.trackId === track.id && selectedClipId.clipId === clipIdentifier) || (selectedItemIds && selectedItemIds.has(clipIdentifier));
         ctx.fillStyle = clip.isTemp ? 'rgba(239, 68, 68, 0.25)' : isClipSelected ? track.color ? track.color + '44' : 'rgba(6, 182, 212, 0.30)' : track.color ? track.color + '22' : 'rgba(6, 182, 212, 0.12)';
         ctx.strokeStyle = clip.isTemp ? '#ef4444' : isClipSelected ? '#fbbf24' : track.color || '#06b6d4';
         ctx.lineWidth = isClipSelected ? 1 : 1.5;
@@ -7731,26 +7731,49 @@ const App = () => {
         if (idsToDelete.has(m.id)) { changed = true; return false; }
         return true;
       });
-      const clips = (t.clips || []).filter(c => {
+      let clips = t.clips || [];
+      const hasVirtualClip = !t.clips || t.clips.length === 0;
+      if (hasVirtualClip && t.buffer) {
+        const canonical = 'default_' + t.id;
+        if (idsToDelete.has(canonical)) {
+          changed = true;
+          return {
+            ...t,
+            sections,
+            midiItems,
+            clips: [],
+            buffer: null,
+            startTime: 0
+          };
+        }
+      }
+      const updatedClips = clips.filter(c => {
         const canonical = c.id === 'default' ? 'default_' + t.id : c.id;
         if (idsToDelete.has(canonical)) { changed = true; return false; }
         return true;
       });
-      if (!changed) return t;
+      if (!changed && sections.length === (t.sections || []).length && midiItems.length === (t.midiItems || []).length) {
+        return t;
+      }
       return {
         ...t,
         sections,
         midiItems,
-        clips,
-        buffer: clips[0]?.buffer || null,
-        startTime: clips[0]?.startTime || 0,
-        name: clips[0]?.name || t.name
+        clips: updatedClips,
+        buffer: updatedClips.length > 0 ? updatedClips[0].buffer : null,
+        startTime: updatedClips.length > 0 ? updatedClips[0].startTime : 0,
+        name: updatedClips.length > 0 ? updatedClips[0].name : t.name
       };
     }));
     showToast(count === 1 ? 'Đã xóa 1 item.' : `Đã xóa ${count} items.`, 'info');
   };
   const selectedClipIdRef = useRef(null);
   selectedClipIdRef.current = selectedClipId;
+  const selectedTrackIdRef = useRef(selectedTrackId);
+  selectedTrackIdRef.current = selectedTrackId;
+  const handleDeleteTrackRef = useRef(() => {});
+  const handleSplitTrackRef = useRef(() => {});
+  const handleRecordClickRef = useRef(() => {});
   const activeTabRef = useRef(activeTab);
   activeTabRef.current = activeTab;
   const activePlaybackSpeedRef = useRef(1.0);
@@ -8009,8 +8032,8 @@ const App = () => {
       // Global space play/pause shortcut for transport
       if (e.key === ' ' || e.code === 'Space') {
         e.preventDefault();
-        if (recordingState === 'RECORDING' || recordingState === 'COUNT_IN') {
-          handleRecordClick();
+        if (recordingStateRef.current === 'RECORDING' || recordingStateRef.current === 'COUNT_IN') {
+          handleRecordClickRef.current();
           return;
         }
         if (handlePlayPauseRef.current) handlePlayPauseRef.current();
@@ -8135,7 +8158,14 @@ const App = () => {
         (activeTracksRef.current || []).forEach(t => {
           (t.sections || []).forEach(s => allIds.add(s.id));
           (t.midiItems || []).forEach(m => allIds.add(m.id));
-          (t.clips || []).forEach(c => allIds.add(c.id === 'default' ? 'default_' + t.id : c.id));
+          const clips = t.clips && t.clips.length > 0 ? t.clips : t.buffer ? [{
+            id: 'default',
+            buffer: t.buffer,
+            startTime: t.startTime || 0,
+            name: t.name,
+            speed: t.speed || 1.0
+          }] : [];
+          clips.forEach(c => allIds.add(c.id === 'default' ? 'default_' + t.id : c.id));
         });
         setSelectedItemIds(allIds);
         return;
@@ -8234,7 +8264,7 @@ const App = () => {
           return;
         } else {
           e.preventDefault();
-          handleDeleteTrack();
+          handleDeleteTrackRef.current();
           return;
         }
       }
@@ -8285,7 +8315,7 @@ const App = () => {
       }
       if (!ctrl && !alt && e.key === 's') {
         e.preventDefault();
-        handleSplitTrack(selectedTrackId);
+        handleSplitTrackRef.current(selectedTrackIdRef.current);
         return;
       }
     };
@@ -9705,6 +9735,7 @@ const App = () => {
     }
     showToast('Deleted track.', 'info');
   };
+  handleDeleteTrackRef.current = handleDeleteTrack;
 
   // ── Server Health Check ──
   const [viewportWidth, setViewportWidth] = useState(1200);
@@ -10943,6 +10974,7 @@ const App = () => {
       setRecordingState('IDLE');
     }
   };
+  handleRecordClickRef.current = handleRecordClick;
 
   const startRecordingTake = async (armedTracks) => {
     const context = getAudioContext();
@@ -14120,6 +14152,7 @@ const App = () => {
   const handleSplitTrack = trackId => {
     handleSplitTrackAtTime(trackId, null, currentTime);
   };
+  handleSplitTrackRef.current = handleSplitTrack;
 
   // ── Glue (Merge) Clips on Selected Track ──
   const handleGlueTracks = () => {
diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js
index 7f4e982..7ad4f80 100644
--- a/app/static/js/app.precompiled.js
+++ b/app/static/js/app.precompiled.js
@@ -22,7 +22,7 @@ const totalSamples=this.pcmChunks.reduce((sum,chunk)=>sum+chunk.length,0);if(tot
 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
 if(clipEndTime<tStart||clipStartTime>tEnd)return;const xStartGlobal=clipStartTime*zoom;const wClip=duration*zoom;const xStartLocal=xStartGlobal-scrollLeftVal;const xEndLocal=xStartLocal+wClip;// 1. Draw Clip Layer Background & Border
-const clipIdentifier=clip.id==='default'?'default_'+track.id:clip.id;const isClipSelected=selectedClipId&&selectedClipId.trackId===track.id&&selectedClipId.clipId===clipIdentifier;ctx.fillStyle=clip.isTemp?'rgba(239, 68, 68, 0.25)':isClipSelected?track.color?track.color+'44':'rgba(6, 182, 212, 0.30)':track.color?track.color+'22':'rgba(6, 182, 212, 0.12)';ctx.strokeStyle=clip.isTemp?'#ef4444':isClipSelected?'#fbbf24':track.color||'#06b6d4';ctx.lineWidth=isClipSelected?1:1.5;const clipTop=4;const clipHeight=height-8;ctx.beginPath();if(ctx.roundRect){ctx.roundRect(xStartLocal,clipTop,wClip,clipHeight,4);}else{ctx.rect(xStartLocal,clipTop,wClip,clipHeight);}ctx.fill();ctx.stroke();// 2. Draw Clip Label & Speed Label
+const clipIdentifier=clip.id==='default'?'default_'+track.id:clip.id;const isClipSelected=selectedClipId&&selectedClipId.trackId===track.id&&selectedClipId.clipId===clipIdentifier||selectedItemIds&&selectedItemIds.has(clipIdentifier);ctx.fillStyle=clip.isTemp?'rgba(239, 68, 68, 0.25)':isClipSelected?track.color?track.color+'44':'rgba(6, 182, 212, 0.30)':track.color?track.color+'22':'rgba(6, 182, 212, 0.12)';ctx.strokeStyle=clip.isTemp?'#ef4444':isClipSelected?'#fbbf24':track.color||'#06b6d4';ctx.lineWidth=isClipSelected?1:1.5;const clipTop=4;const clipHeight=height-8;ctx.beginPath();if(ctx.roundRect){ctx.roundRect(xStartLocal,clipTop,wClip,clipHeight,4);}else{ctx.rect(xStartLocal,clipTop,wClip,clipHeight);}ctx.fill();ctx.stroke();// 2. Draw Clip Label & Speed Label
 ctx.fillStyle='#e4e4e7';ctx.font='bold 9px sans-serif';ctx.fillText(clip.name||'Clip',Math.max(xStartLocal+8,8),clipTop+12);if(clipSpeed!==1.0){ctx.fillStyle='#fbbf24';ctx.font='bold 8px sans-serif';ctx.fillText(`Speed: ${(clipSpeed*100).toFixed(1)}%`,Math.max(xStartLocal+8,8),clipTop+22);}// Draw markers
 if(markers&&markers.length>0){markers.forEach(m=>{const mxLocal=m.time*zoom-scrollLeftVal;if(mxLocal>=0&&mxLocal<=drawWidth){ctx.fillStyle='#fbbf24';ctx.fillRect(mxLocal-1,0,2,height);}});}// 3. Peak / Vector Waveform Drawing (Sound Forge Dual Stereo Channel Split Match)
 const drawXStartLocal=Math.max(0,Math.floor(xStartLocal));const drawXEndLocal=Math.min(drawWidth,Math.ceil(xEndLocal));const samplesPerPixel=sampleRate/zoom*clipSpeed;const isStereo=numChannels>=2;const channelConfigs=isStereo?[{data:dataL,mid:height/4,chHeight:height/2-8,label:'1'},{data:dataR,mid:3*height/4,chHeight:height/2-8,label:'2'}]:[{data:dataL,mid:height/2,chHeight:clipHeight-12,label:'MONO'}];if(isStereo){ctx.strokeStyle='rgba(255, 255, 255, 0.12)';ctx.lineWidth=1;ctx.beginPath();ctx.moveTo(xStartLocal,height/2);ctx.lineTo(xStartLocal+wClip,height/2);ctx.stroke();}channelConfigs.forEach(ch=>{const data=ch.data;const mid=ch.mid;const peakRatio=ch.chHeight*0.42;// Decibel Amplitude Grid Lines (+6.0dB, -Inf, -6.0dB)
@@ -51,14 +51,16 @@ if(e.ctrlKey&&selectionMode){e.preventDefault();e.stopPropagation();if(onClearLo
 if(e.shiftKey){e.preventDefault();e.stopPropagation();const currentAnchor=getLocalAnchor?getLocalAnchor():null;const anchor=currentAnchor!==null&&currentAnchor!==undefined?currentAnchor:localSelectionStart!==null?localSelectionStart:currentTime;const selS=Math.min(anchor,time);const selE=Math.max(anchor,time);if(onSetSelectionMode)onSetSelectionMode('local');if(onSetLocalSelectionTrackId)onSetLocalSelectionTrackId(track.id);if(onSetLocalSelectionStart)onSetLocalSelectionStart(selS);if(onSetLocalSelectionEnd)onSetLocalSelectionEnd(selE);if(onSetSelectionStart)onSetSelectionStart(selS);if(onSetSelectionEnd)onSetSelectionEnd(selE);if(onSetCurrentTime)onSetCurrentTime(time);if(onSelectTrack)onSelectTrack(track.id);return;}// Check if dragging selection boundaries (local mode)
 const isLocal=selectionMode==='local'&&localSelectionTrackId===track.id;if(isLocal&&localSelLeft!==null&&localSelRight!==null){const leftPx=localSelLeft*zoom;const rightPx=localSelRight*zoom;const distToLeft=Math.abs(x-leftPx);const distToRight=Math.abs(x-rightPx);if(distToLeft<=5){e.preventDefault();e.stopPropagation();if(onSelectionEdgeDragStart)onSelectionEdgeDragStart(e,track.id,'left');return;}else if(distToRight<=5){e.preventDefault();e.stopPropagation();if(onSelectionEdgeDragStart)onSelectionEdgeDragStart(e,track.id,'right');return;}}// Check if time-stretching (Alt + Right Edge)
 const toleranceSec=8/zoom;const rightEdgeClip=clips.find(c=>{const duration=c.buffer.duration/(c.speed||1.0);return Math.abs(time-(c.startTime+duration))<=toleranceSec;});if(rightEdgeClip&&e.altKey){e.preventDefault();e.stopPropagation();if(onClipStretchStart){onClipStretchStart(track.id,rightEdgeClip.id,time);}return;}// Check section/MIDI item edge for resize, then body for drag
-const secItems=track.sections||[];const midiItems=track.midiItems||[];const secTol=8/zoom;let hitItem=null;let hitEdge=null;for(const sec of secItems){if(Math.abs(time-sec.start)<=secTol){hitItem={type:'section',id:sec.id,start:sec.start,dur:sec.duration};hitEdge='left';break;}if(Math.abs(time-(sec.start+sec.duration))<=secTol){hitItem={type:'section',id:sec.id,start:sec.start,dur:sec.duration};hitEdge='right';break;}}if(!hitItem){for(const midi of midiItems){if(Math.abs(time-midi.startTime)<=secTol){hitItem={type:'midiItem',id:midi.id,start:midi.startTime,dur:midi.duration};hitEdge='left';break;}if(Math.abs(time-(midi.startTime+midi.duration))<=secTol){hitItem={type:'midiItem',id:midi.id,start:midi.startTime,dur:midi.duration};hitEdge='right';break;}}}if(hitItem&&hitEdge){e.preventDefault();e.stopPropagation();if(onSectionItemResizeStart)onSectionItemResizeStart(track.id,hitItem.type,hitItem.id,hitEdge,time);return;}if(!hitItem){for(const sec of secItems){if(time>=sec.start&&time<sec.start+sec.duration){hitItem={type:'section',id:sec.id,start:sec.start};break;}}}if(!hitItem){for(const midi of midiItems){if(time>=midi.startTime&&time<midi.startTime+midi.duration){hitItem={type:'midiItem',id:midi.id,start:midi.startTime};break;}}}if(hitItem&&!e.altKey&&!e.shiftKey){e.preventDefault();e.stopPropagation();if(e.ctrlKey){// Ctrl+Click: copy on drag, do NOT toggle selection
-if(onSetPendingDrag)onSetPendingDrag(track.id,hitItem.type,hitItem.id,time-hitItem.start,e.nativeEvent||e,selectedItemIds?new Set(selectedItemIds):new Set());}else{// No modifier: start drag immediately (single or multi move)
-if(onSectionItemDragStart)onSectionItemDragStart(track.id,hitItem.type,hitItem.id,time-hitItem.start,false);}return;}const clickedClip=clips.find(c=>time>=c.startTime&&time<c.startTime+c.buffer.duration/(c.speed||1.0));// Set selected clip ID
+const secItems=track.sections||[];const midiItems=track.midiItems||[];const secTol=8/zoom;let hitItem=null;let hitEdge=null;for(const sec of secItems){if(Math.abs(time-sec.start)<=secTol){hitItem={type:'section',id:sec.id,start:sec.start,dur:sec.duration};hitEdge='left';break;}if(Math.abs(time-(sec.start+sec.duration))<=secTol){hitItem={type:'section',id:sec.id,start:sec.start,dur:sec.duration};hitEdge='right';break;}}if(!hitItem){for(const midi of midiItems){if(Math.abs(time-midi.startTime)<=secTol){hitItem={type:'midiItem',id:midi.id,start:midi.startTime,dur:midi.duration};hitEdge='left';break;}if(Math.abs(time-(midi.startTime+midi.duration))<=secTol){hitItem={type:'midiItem',id:midi.id,start:midi.startTime,dur:midi.duration};hitEdge='right';break;}}}if(hitItem&&hitEdge){e.preventDefault();e.stopPropagation();if(onSectionItemResizeStart)onSectionItemResizeStart(track.id,hitItem.type,hitItem.id,hitEdge,time);return;}if(!hitItem){for(const sec of secItems){if(time>=sec.start&&time<sec.start+sec.duration){hitItem={type:'section',id:sec.id,start:sec.start};break;}}}if(!hitItem){for(const midi of midiItems){if(time>=midi.startTime&&time<midi.startTime+midi.duration){hitItem={type:'midiItem',id:midi.id,start:midi.startTime};break;}}}if(hitItem&&!e.altKey&&!e.shiftKey){e.preventDefault();e.stopPropagation();if(e.ctrlKey){// Ctrl+Click: toggle selection (add/remove from group) + set pending copy-drag
+var preToggle=selectedItemIds?new Set(selectedItemIds):new Set();if(selectedItemIds&&selectedItemIds.has(hitItem.id)){if(onDeselectItem)onDeselectItem(hitItem.id);}else{if(onAddToSelection)onAddToSelection(hitItem.id);}if(onSetPendingDrag)onSetPendingDrag(track.id,hitItem.type,hitItem.id,time-hitItem.start,e.nativeEvent||e,preToggle);}else{// Click: select this item (clear others if not already selected), then start drag
+if(!selectedItemIds||!selectedItemIds.has(hitItem.id)){if(onClearSelection)onClearSelection();if(onAddToSelection)onAddToSelection(hitItem.id);}// Drag all currently selected items (or just this one)
+var dragIds=selectedItemIds&&selectedItemIds.has(hitItem.id)&&selectedItemIds.size>1?selectedItemIds:new Set([hitItem.id]);if(onSectionItemDragStart)onSectionItemDragStart(track.id,hitItem.type,hitItem.id,time-hitItem.start,false,dragIds);}return;}const clickedClip=clips.find(c=>time>=c.startTime&&time<c.startTime+c.buffer.duration/(c.speed||1.0));// Set selected clip ID
 if(clickedClip){setSelectedClipId({trackId:track.id,clipId:clickedClip.id==='default'?'default_'+track.id:clickedClip.id});}else{setSelectedClipId(null);}if(activeTool==='pen'&&!e.ctrlKey){if(clickedClip){e.preventDefault();e.stopPropagation();if(onEditClipInSubTab){onEditClipInSubTab(track.id,clickedClip.id);}}return;}if(activeTool==='razor'&&!e.ctrlKey){if(clickedClip){e.preventDefault();e.stopPropagation();if(onSplitTrackAtTime){onSplitTrackAtTime(track.id,clickedClip.id,time);}}return;}if(activeTool==='grab'){if(onTrackLaneMouseDown){onTrackLaneMouseDown(track.id,time,e);}if(clickedClip){e.preventDefault();e.stopPropagation();if(onClipDragStart){onClipDragStart(track.id,clickedClip.id,time-clickedClip.startTime,e.ctrlKey);}}else{onPlayheadSet(time);}return;}// Check for click drag clip (Alt to move, Ctrl to duplicate)
 if(clickedClip&&(e.altKey||e.ctrlKey)){e.preventDefault();e.stopPropagation();if(e.ctrlKey){// Ctrl+Click: toggle selection, store pending drag w/ pre-toggle snapshot
 var clipCanonicalId=clickedClip.id==='default'?'default_'+track.id:clickedClip.id;var clipPreToggleSnapshot=selectedItemIds?new Set(selectedItemIds):new Set();if(selectedItemIds&&selectedItemIds.has(clipCanonicalId)){if(onDeselectItem)onDeselectItem(clipCanonicalId);}else if(onAddToSelection){onAddToSelection(clipCanonicalId);}if(onSetPendingDrag)onSetPendingDrag(track.id,'clip',clipCanonicalId,time-clickedClip.startTime,e.nativeEvent||e,clipPreToggleSnapshot);}else{// Alt+Click: move immediately
-if(onClipDragStart)onClipDragStart(track.id,clickedClip.id,time-clickedClip.startTime,false);}return;}// Ctrl+Click on empty space: deselect all, no sweep select
-if(e.ctrlKey&&!clickedClip&&!hitItem){e.preventDefault();e.stopPropagation();if(onClearSelection)onClearSelection();return;}onPlayheadSet(time);if(onTrackLaneMouseDown){onTrackLaneMouseDown(track.id,time,e);}e.stopPropagation();},onDoubleClick:e=>{const rect=canvasRef.current.getBoundingClientRect();const x=e.clientX-rect.left+(scrollLeft||0);const time=Math.max(0,x/zoom-leadInMargin);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}]:[];// Check double-click on section first
+if(onClipDragStart)onClipDragStart(track.id,clickedClip.id,time-clickedClip.startTime,false);}return;}// Ctrl+Click on empty space: deselect all on click, marquee on drag
+if(e.ctrlKey&&!clickedClip&&!hitItem){e.preventDefault();e.stopPropagation();// Start a pending sweep: mouseup with no drag → deselect all; drag → marquee
+if(onSweepSelectStart)onSweepSelectStart(track.id,time,e.clientY);return;}onPlayheadSet(time);if(onTrackLaneMouseDown){onTrackLaneMouseDown(track.id,time,e);}e.stopPropagation();},onDoubleClick:e=>{const rect=canvasRef.current.getBoundingClientRect();const x=e.clientX-rect.left+(scrollLeft||0);const time=Math.max(0,x/zoom-leadInMargin);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}]:[];// Check double-click on section first
 const dblSecItems=track.sections||[];let dblSecHit=null;for(const sec of dblSecItems){if(time>=sec.start&&time<sec.start+sec.duration){dblSecHit=sec;break;}}if(dblSecHit){e.preventDefault();e.stopPropagation();if(onEditSectionInTab)onEditSectionInTab(track.id,dblSecHit.id);return;}// Check double-click on MIDI item next
 const dblMidiItems=track.midiItems||[];let dblMidiHit=null;for(const midi of dblMidiItems){if(time>=midi.startTime&&time<midi.startTime+midi.duration){dblMidiHit=midi;break;}}if(dblMidiHit){e.preventDefault();e.stopPropagation();if(onEditMidiInTab)onEditMidiInTab(track.id,dblMidiHit.id);return;}const clickedClip=clips.find(c=>time>=c.startTime&&time<c.startTime+c.buffer.duration/(c.speed||1.0));if(clickedClip){e.preventDefault();e.stopPropagation();if(onEditClipInSubTab){onEditClipInSubTab(track.id,clickedClip.id);}}},onContextMenu:e=>{e.preventDefault();e.stopPropagation();onSelectTrack(track.id);const rect=canvasRef.current.getBoundingClientRect();const x=e.clientX-rect.left+(scrollLeft||0);const time=Math.max(0,x/zoom-leadInMargin);// Detect section under cursor
 const secList=track.sections||[];let hitSectionId=null;for(const sec of secList){if(time>=sec.start&&time<sec.start+sec.duration){hitSectionId=sec.id;break;}}if(onContextMenu)onContextMenu(e,track.id,time,hitSectionId);}}));};const TimelineRuler=({bpm,zoom,timelineWidth,viewportWidth,onPlayheadSet,snapValue,onRulerMouseDown,scrollLeft,canvasRedrawCount})=>{const canvasRef=useRef(null);const RULER_HEIGHT=40;const drawWidth=Math.min(timelineWidth,viewportWidth);useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;let scrollLeftVal=scrollLeft||0;const height=RULER_HEIGHT;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='#242424';ctx.fillRect(0,0,drawWidth,height);ctx.strokeStyle='rgba(255,255,255,0.08)';ctx.lineWidth=1;ctx.beginPath();ctx.moveTo(0,height-0.5);ctx.lineTo(drawWidth,height-0.5);ctx.stroke();const CLIP_BUFFER=400;const PADDING_LEFT=0;const tStart=scrollLeftVal/zoom-PADDING_LEFT;const tEnd=(scrollLeftVal+drawWidth)/zoom+CLIP_BUFFER/zoom;// Draw bar markers (aligned with TempoTrackLane)
@@ -130,9 +132,9 @@ React.createElement('div',{className:'px-5 py-2 bg-[#1a1a1a] border-t border-[#3
 sfToDelete&&React.createElement('div',{className:'fixed inset-0 z-[60] flex items-center justify-center bg-black/70',onClick:()=>setSfToDelete(null)},React.createElement('div',{className:'bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-sm p-5 text-slate-200',onClick:e=>e.stopPropagation()},React.createElement('h3',{className:'text-sm font-bold text-red-400 mb-3'},'Delete SoundFont?'),React.createElement('p',{className:'text-xs text-zinc-400 mb-1'},'Are you sure you want to delete:'),React.createElement('p',{className:'text-sm font-semibold text-slate-200 mb-4'},sfToDelete.display||sfToDelete.name||sfToDelete.id),React.createElement('div',{className:'flex justify-end gap-2'},React.createElement('button',{onClick:()=>setSfToDelete(null),className:'px-4 py-2 text-xs rounded bg-zinc-700 hover:bg-zinc-600 text-zinc-300 transition'},'Cancel'),React.createElement('button',{onClick:async()=>{try{if(window.SonicAPI.deleteSoundFont){await window.SonicAPI.deleteSoundFont(sfToDelete.id);}const data=await window.SonicAPI.listPlugins();setLocalData(data);setSfToDelete(null);window.showToast&&window.showToast('SoundFont deleted.','info');}catch(err){window.showToast&&window.showToast('Delete failed: '+err.message,'error');setSfToDelete(null);}},className:'px-4 py-2 text-xs rounded bg-red-700 hover:bg-red-600 text-white font-semibold transition'},'Delete')))));};const ProfileModal=({isOpen,onClose,tracks,setTracks,setSelectedTrackId,projectName,setProjectName,currentProjectId,setCurrentProjectId,showToast})=>{if(!isOpen)return null;const[activeTab,setActiveTab]=useState('account');const[profile,setProfile]=useState(null);const[oldPassword,setOldPassword]=useState('');const[newPassword,setNewPassword]=useState('');const[msg,setMsg]=useState('');const[error,setError]=useState('');const[loading,setLoading]=useState(false);const[dragOfs,setDragOfs]=useState({x:0,y:0});const dragRef=useRef({active:false,startX:0,startY:0,ofsX:0,ofsY:0});// Projects list state
 const[projectsList,setProjectsList]=useState([]);const[loadingProjects,setLoadingProjects]=useState(false);// Files list state
 const[filesList,setFilesList]=useState([]);const[loadingFiles,setLoadingFiles]=useState(false);// Confirmation modal state
-const[confirmModal,setConfirmModal]=useState(null);const handleDragStart=e=>{const r=dragRef.current;r.active=true;r.startX=e.clientX;r.startY=e.clientY;r.ofsX=dragOfs.x;r.ofsY=dragOfs.y;const onMove=ev=>{if(!r.active)return;setDragOfs({x:r.ofsX+ev.clientX-r.startX,y:r.ofsY+ev.clientY-r.startY});};const onUp=()=>{r.active=false;document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);};useEffect(()=>{if(isOpen){fetchProfile();if(activeTab==='projects')fetchProjects();if(activeTab==='files')fetchFiles();}},[isOpen,activeTab]);const fetchProfile=async()=>{try{const data=await window.SonicAPI.getProfile();setProfile(data);}catch(e){setError(e.message||'Không thể tải thông tin profile');}};const fetchProjects=async()=>{setLoadingProjects(true);try{const data=await window.SonicAPI.listCloudProjects();setProjectsList(data||[]);}catch(e){showToast(e.message||'Không thể tải danh sách dự án','error');}finally{setLoadingProjects(false);}};const fetchFiles=async()=>{setLoadingFiles(true);try{const activeFileIds=tracks.map(t=>t.serverFileId).filter(Boolean);const data=await window.SonicAPI.listMyFiles(activeFileIds);setFilesList(data||[]);}catch(e){showToast(e.message||'Không thể tải danh sách tệp tin','error');}finally{setLoadingFiles(false);}};const handleOpenProject=async projectId=>{setAppWarningModal({title:"Mở dự án",message:"Bạn có muốn mở dự án này? Các thay đổi chưa lưu trên workspace hiện tại sẽ bị mất.",isAlert:false,onConfirm:async()=>{try{const proj=await window.SonicAPI.getCloudProject(projectId);const parsed=JSON.parse(proj.data_json);let restoredTracks=[];let restoredBpm=bpm;let restoredSessionTabs=[];let restoredSubTabs=[];if(parsed.main_session){const result=deserializeProjectFromSchema(parsed);restoredTracks=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;restoredSubTabs=result.subTabs;}else{restoredTracks=(parsed.tracks||[]).map(t=>{const{height:_h,...rest}=t;return{...rest,buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null};});}setTracks(restoredTracks);setBpm(restoredBpm.toString());setSelectedTrackId(restoredTracks[0]?.id||'1');setProjectName(proj.name);setCurrentProjectId(proj.id);if(restoredSessionTabs.length>0){setSessionTabs(restoredSessionTabs);}if(restoredSubTabs.length>0){setSubTabs(restoredSubTabs);}localStorage.setItem('sonic_project_name',proj.name);localStorage.setItem('sonic_project_id',proj.id);showToast(`Đã nạp dự án "${proj.name}" thành công!`,"success");}catch(e){showToast(e.message||"Lỗi khi nạp dự án","error");}}});};const handleDeleteProject=async(projectId,e)=>{e.stopPropagation();setConfirmModal({title:"Xóa dự án Cloud",message:"Bạn có chắc chắn muốn xóa dự án này khỏi Cloud? Hành động này không thể hoàn tác.",onConfirm:async()=>{try{await window.SonicAPI.deleteCloudProject(projectId);showToast("Đã xóa dự án thành công!","success");fetchProjects();fetchProfile();}catch(err){showToast(err.message||"Lỗi khi xóa dự án","error");}}});};const handleDeleteFile=async fileId=>{if(!confirm(`Bạn có chắc chắn muốn xóa tệp tin ${fileId}?`))return;try{await window.SonicAPI.deleteMyFile(fileId);showToast("Đã xóa tệp tin thành công!","success");fetchFiles();fetchProfile();}catch(err){showToast(err.message||"Lỗi khi xóa tệp tin","error");}};const handleCleanUnusedFiles=async()=>{const unusedFiles=filesList.filter(f=>!f.is_in_use);if(unusedFiles.length===0){showToast("Không có tập tin rác nào để dọn dẹp.","info");return;}if(!confirm(`Bạn có chắc chắn muốn xóa tất cả ${unusedFiles.length} tập tin rác để giải phóng dung lượng?`))return;let successCount=0;for(const file of unusedFiles){try{await window.SonicAPI.deleteMyFile(file.file_id);successCount++;}catch(e){console.error("Lỗi xóa file rác: ",file.file_id,e);}}showToast(`Đã dọn dẹp thành công ${successCount}/${unusedFiles.length} tập tin rác!`,"success");fetchFiles();fetchProfile();};const handleChangePassword=async e=>{e.preventDefault();setMsg('');setError('');setLoading(true);try{const res=await window.SonicAPI.changePassword(oldPassword,newPassword);setMsg(res.message||'Đổi mật khẩu thành công!');setOldPassword('');setNewPassword('');}catch(err){setError(err.message||'Lỗi khi đổi mật khẩu');}finally{setLoading(false);}};const modalStyle={left:`calc(50% + ${dragOfs.x}px)`,top:`calc(50% + ${dragOfs.y}px)`,transform:'translate(-50%, -50%)'};return/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{key:"backdrop",className:"fixed inset-0 z-40 bg-black/70 backdrop-blur-sm",onClick:onClose}),confirmModal&&/*#__PURE__*/React.createElement("div",{key:"confirm-overlay",className:"fixed inset-0 z-[60] flex items-center justify-center bg-black/50"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-lg shadow-2xl p-5 max-w-sm w-full text-slate-200"},/*#__PURE__*/React.createElement("h4",{className:"text-sm font-bold text-rose-400 mb-2"},confirmModal.title),/*#__PURE__*/React.createElement("p",{className:"text-xs text-slate-300 mb-4"},confirmModal.message),/*#__PURE__*/React.createElement("div",{className:"flex justify-end gap-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>setConfirmModal(null),className:"px-3 py-1.5 bg-zinc-700 hover:bg-zinc-600 text-slate-300 rounded text-xs font-semibold"},"Hủy"),/*#__PURE__*/React.createElement("button",{onClick:()=>{const fn=confirmModal.onConfirm;setConfirmModal(null);fn();},className:"px-3 py-1.5 bg-rose-700 hover:bg-rose-600 text-white rounded text-xs font-semibold"},"Xác nhận xóa")))),/*#__PURE__*/React.createElement("div",{key:"dialog",className:"fixed z-50 bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-2xl p-6 text-slate-200 flex flex-col max-h-[85vh]",style:modalStyle},/*#__PURE__*/React.createElement("div",{className:"flex justify-between items-center pb-3 border-b border-[#383838] shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:handleDragStart},/*#__PURE__*/React.createElement("h3",{className:"text-md font-bold text-teal-400 flex items-center gap-1.5"},"👤 Hồ Sơ Cá Nhân & Quản Lý Dự Án"),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"text-slate-400 hover:text-slate-200"},"✕")),/*#__PURE__*/React.createElement("div",{className:"flex gap-2 border-b border-[#383838] py-2 shrink-0 text-xs font-semibold"},[/*#__PURE__*/React.createElement("button",{key:"tab-acc",onClick:()=>setActiveTab('account'),className:`px-3 py-1.5 rounded transition ${activeTab==='account'?'bg-teal-950/60 text-teal-300 border border-teal-800':'text-slate-400 hover:text-slate-200'}`},"Tài Khoản"),/*#__PURE__*/React.createElement("button",{key:"tab-proj",onClick:()=>setActiveTab('projects'),className:`px-3 py-1.5 rounded transition ${activeTab==='projects'?'bg-teal-950/60 text-teal-300 border border-teal-800':'text-slate-400 hover:text-slate-200'}`},"Dự Án Cloud"),/*#__PURE__*/React.createElement("button",{key:"tab-files",onClick:()=>setActiveTab('files'),className:`px-3 py-1.5 rounded transition ${activeTab==='files'?'bg-teal-950/60 text-teal-300 border border-teal-800':'text-slate-400 hover:text-slate-200'}`},"Tập Tin Của Tôi")]),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto pt-4 space-y-4 pr-1 min-h-[300px]"},activeTab==='account'&&profile?[/*#__PURE__*/React.createElement("div",{key:"quota-info",className:"bg-[#1e1e1e] p-4 rounded-lg border border-[#333] grid grid-cols-2 gap-4 text-xs"},[/*#__PURE__*/React.createElement("div",{key:"username"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Tên người dùng"),/*#__PURE__*/React.createElement("span",{className:"font-bold text-teal-300 text-sm"},profile.username)]),/*#__PURE__*/React.createElement("div",{key:"role"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Vai trò"),/*#__PURE__*/React.createElement("span",{className:"uppercase font-semibold text-amber-400"},profile.role)]),/*#__PURE__*/React.createElement("div",{key:"email"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Email"),/*#__PURE__*/React.createElement("span",null,profile.email)]),/*#__PURE__*/React.createElement("div",{key:"quota"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Dung lượng Quota"),/*#__PURE__*/React.createElement("span",{className:"font-semibold text-slate-200"},`${profile.quota.used_mb} MB / ${profile.quota.storage_limit_mb} MB`)])]),/*#__PURE__*/React.createElement("div",{key:"progress"},[/*#__PURE__*/React.createElement("div",{className:"flex justify-between text-xs mb-1"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-400"},"Tiến trình sử dụng bộ nhớ Server"),/*#__PURE__*/React.createElement("span",{className:"font-bold text-teal-400"},`${(profile.quota.used_mb/profile.quota.storage_limit_mb*100).toFixed(1)}%`)]),/*#__PURE__*/React.createElement("div",{className:"w-full h-2 bg-slate-800 rounded-full overflow-hidden"},[/*#__PURE__*/React.createElement("div",{className:"h-full bg-teal-500 rounded-full transition-all duration-300",style:{width:`${Math.min(100,profile.quota.used_mb/profile.quota.storage_limit_mb*100)}%`}})])]),/*#__PURE__*/React.createElement("form",{key:"pwd-form",onSubmit:handleChangePassword,className:"pt-4 border-t border-[#383838] space-y-3"},[/*#__PURE__*/React.createElement("h4",{className:"text-xs font-bold text-slate-300 uppercase"},"Thay Đổi Mật Khẩu"),msg&&/*#__PURE__*/React.createElement("div",{className:"p-2 bg-emerald-950/60 border border-emerald-700 text-emerald-300 rounded text-xs"},msg),error&&/*#__PURE__*/React.createElement("div",{className:"p-2 bg-red-950/60 border border-red-700 text-red-300 rounded text-xs"},error),/*#__PURE__*/React.createElement("div",{key:"old"},[/*#__PURE__*/React.createElement("label",{className:"block text-xs text-slate-400 mb-1"},"Mật khẩu cũ"),/*#__PURE__*/React.createElement("input",{type:"password",autoComplete:"current-password",required:true,value:oldPassword,onChange:e=>setOldPassword(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs focus:outline-none focus:border-teal-500"})]),/*#__PURE__*/React.createElement("div",{key:"new"},[/*#__PURE__*/React.createElement("label",{className:"block text-xs text-slate-400 mb-1"},"Mật khẩu mới"),/*#__PURE__*/React.createElement("input",{type:"password",autoComplete:"new-password",required:true,value:newPassword,onChange:e=>setNewPassword(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs focus:outline-none focus:border-teal-500"})]),/*#__PURE__*/React.createElement("button",{type:"submit",disabled:loading,className:"w-full py-1.5 bg-teal-600 hover:bg-teal-500 text-white font-semibold text-xs rounded transition"},loading?'Đang cập nhật...':'Cập Nhật Mật Khẩu')])]:activeTab==='projects'?[loadingProjects?/*#__PURE__*/React.createElement("div",{key:"loading",className:"text-center py-8 text-xs text-zinc-500"},"Đang tải danh sách dự án..."):projectsList.length===0?/*#__PURE__*/React.createElement("div",{key:"empty",className:"text-center py-8 text-xs text-zinc-500"},"Bạn chưa có dự án nào lưu trên Cloud."):/*#__PURE__*/React.createElement("div",{key:"list",className:"space-y-1.5"},[projectsList.map(proj=>/*#__PURE__*/React.createElement("div",{key:proj.id,onClick:()=>handleOpenProject(proj.id),className:"flex items-center justify-between p-3 bg-[#1e1e1e] hover:bg-zinc-800 rounded border border-zinc-800 transition cursor-pointer text-xs group"},[/*#__PURE__*/React.createElement("div",{key:"meta"},[/*#__PURE__*/React.createElement("div",{className:"font-bold text-slate-200 group-hover:text-teal-400"},proj.name),/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 mt-0.5"},`Dung lượng: ${proj.size_mb} MB | Cập nhật: ${new Date(proj.updated_at*1000).toLocaleString()}`)]),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex items-center gap-1.5"},[/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();handleOpenProject(proj.id);},className:"px-2.5 py-1 bg-teal-800/80 hover:bg-teal-700 text-teal-200 rounded font-semibold text-[10px]"},"MỞ"),/*#__PURE__*/React.createElement("button",{onClick:e=>handleDeleteProject(proj.id,e),className:"px-2 py-1 bg-rose-950/60 hover:bg-rose-900/80 text-rose-300 rounded font-semibold text-[10px]"},"XÓA")])]))])]:activeTab==='files'?[/*#__PURE__*/React.createElement("div",{key:"cleanup-header",className:"flex items-center justify-between bg-zinc-900/60 p-2.5 rounded border border-zinc-800 text-xs shrink-0 mb-3"},[/*#__PURE__*/React.createElement("span",{className:"text-zinc-400 text-[10px]"},"💡 Các tập tin không dùng trong dự án nào sẽ được đánh dấu 'Không dùng' và có thể xóa để giải phóng dung lượng."),/*#__PURE__*/React.createElement("button",{onClick:handleCleanUnusedFiles,className:"px-2.5 py-1 bg-rose-700 hover:bg-rose-600 text-white rounded font-bold text-[10px] uppercase flex items-center gap-1"},"🧹 Dọn dẹp tệp rác")]),loadingFiles?/*#__PURE__*/React.createElement("div",{key:"loading",className:"text-center py-8 text-xs text-zinc-500"},"Đang tải danh sách tập tin..."):filesList.length===0?/*#__PURE__*/React.createElement("div",{key:"empty",className:"text-center py-8 text-xs text-zinc-500"},"Chưa có tập tin nào tải lên hoặc tạo ra."):/*#__PURE__*/React.createElement("div",{key:"list",className:"space-y-1.5"},[filesList.map(file=>/*#__PURE__*/React.createElement("div",{key:file.file_id,className:"flex items-center justify-between p-3 bg-[#1e1e1e] rounded border border-zinc-800 text-xs"},[/*#__PURE__*/React.createElement("div",{key:"meta",className:"max-w-[70%]"},[/*#__PURE__*/React.createElement("div",{className:"font-semibold text-slate-300 truncate"},file.original_name||file.file_id),/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 mt-0.5"},`Loại: ${file.type} | Dung lượng: ${file.size_mb} MB | Tạo lúc: ${new Date(file.created_at*1000).toLocaleString()}`)]),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex items-center gap-2"},[file.is_in_use?/*#__PURE__*/React.createElement("span",{className:"px-2 py-0.5 bg-emerald-950 text-emerald-400 border border-emerald-900 rounded text-[9px] uppercase font-bold font-mono"},"Đang dùng"):/*#__PURE__*/React.createElement("span",{className:"px-2 py-0.5 bg-zinc-850 text-zinc-400 border border-zinc-700 rounded text-[9px] uppercase font-bold font-mono"},"Không dùng"),!file.is_in_use&&/*#__PURE__*/React.createElement("button",{onClick:()=>handleDeleteFile(file.file_id),className:"px-2 py-0.5 bg-rose-950 hover:bg-rose-900 text-rose-300 rounded font-semibold text-[10px] border border-rose-900"},"Xóa")])]))])]:null)));};const SaveProjectModal=({isOpen,onClose,onSave})=>{if(!isOpen)return null;const[name,setName]=useState('');const handleSubmit=e=>{e.preventDefault();if(!name.trim())return;onSave(name.trim());onClose();};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-md p-6 text-slate-200"},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-teal-400 mb-4 uppercase"},"Đặt tên dự án"),/*#__PURE__*/React.createElement("form",{onSubmit:handleSubmit,className:"space-y-4"},[/*#__PURE__*/React.createElement("input",{key:"name-input",type:"text",placeholder:"Nhập tên dự án...",required:true,value:name,onChange:e=>setName(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs text-slate-200 focus:outline-none focus:border-teal-500 font-bold",autoFocus:true}),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex justify-end gap-2 text-xs"},[/*#__PURE__*/React.createElement("button",{key:"cancel",type:"button",onClick:onClose,className:"px-3 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 rounded"},"Hủy"),/*#__PURE__*/React.createElement("button",{key:"save",type:"submit",className:"px-3 py-1.5 bg-teal-600 hover:bg-teal-500 text-white rounded font-semibold"},"Lưu")])])));};const SaveAsModal=({isOpen,onClose,projectName,onSaveCloud,onSaveLocal})=>{if(!isOpen)return null;const[name,setName]=useState(projectName||'');const[saveType,setSaveType]=useState('cloud');const handleSubmit=e=>{e.preventDefault();if(!name.trim())return;if(saveType==='cloud'){onSaveCloud(name.trim());}else{onSaveLocal(name.trim());}onClose();};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-md p-6 text-slate-200"},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-teal-400 mb-4 uppercase"},"Lưu dưới tên khác (Save As...)"),/*#__PURE__*/React.createElement("form",{onSubmit:handleSubmit,className:"space-y-4"},[/*#__PURE__*/React.createElement("div",{key:"name-block"},[/*#__PURE__*/React.createElement("label",{className:"block text-[10px] text-zinc-400 uppercase font-bold mb-1"},"Tên dự án mới"),/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"Nhập tên mới...",required:true,value:name,onChange:e=>setName(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs text-slate-200 focus:outline-none focus:border-teal-500 font-bold",autoFocus:true})]),/*#__PURE__*/React.createElement("div",{key:"type-block"},[/*#__PURE__*/React.createElement("label",{className:"block text-[10px] text-zinc-400 uppercase font-bold mb-1.5"},"Phương thức lưu trữ"),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2 text-xs"},[/*#__PURE__*/React.createElement("button",{key:"btn-cloud",type:"button",onClick:()=>setSaveType('cloud'),className:`py-2 rounded border flex flex-col items-center gap-1 font-semibold transition ${saveType==='cloud'?'bg-teal-950/60 border-teal-500 text-teal-300':'bg-zinc-800 border-zinc-700 hover:bg-zinc-750 text-zinc-400'}`},[/*#__PURE__*/React.createElement("span",{key:"title"},"☁️ Lưu Cloud"),/*#__PURE__*/React.createElement("span",{key:"desc",className:"text-[9px] font-normal text-zinc-500"},"Lưu lên server cá nhân")]),/*#__PURE__*/React.createElement("button",{key:"btn-local",type:"button",onClick:()=>setSaveType('local'),className:`py-2 rounded border flex flex-col items-center gap-1 font-semibold transition ${saveType==='local'?'bg-teal-950/60 border-teal-500 text-teal-300':'bg-zinc-800 border-zinc-700 hover:bg-zinc-750 text-zinc-400'}`},[/*#__PURE__*/React.createElement("span",{key:"title"},"💾 Tải về máy (.sfs)"),/*#__PURE__*/React.createElement("span",{key:"desc",className:"text-[9px] font-normal text-zinc-500"},"Tải tệp JSON dự án về máy")])])]),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex justify-end gap-2 text-xs pt-2"},[/*#__PURE__*/React.createElement("button",{key:"cancel",type:"button",onClick:onClose,className:"px-3 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 rounded"},"Hủy"),/*#__PURE__*/React.createElement("button",{key:"save",type:"submit",className:"px-3 py-1.5 bg-teal-600 hover:bg-teal-500 text-white rounded font-semibold"},"Thực hiện lưu")])])));};const SystemManagerModal=({isOpen,onClose})=>{if(!isOpen)return null;const[users,setUsers]=useState([]);const[loading,setLoading]=useState(true);const[msg,setMsg]=useState('');const[error,setError]=useState('');const[editingQuotaUser,setEditingQuotaUser]=useState(null);const[newQuotaMb,setNewQuotaMb]=useState(500);useEffect(()=>{if(isOpen)loadUsers();},[isOpen]);const loadUsers=async()=>{setLoading(true);setError('');try{const data=await window.SonicAPI.listUsers();setUsers(data);}catch(err){setError(err.message||'Không thể tải danh sách người dùng hệ thống');}finally{setLoading(false);}};const handleSaveQuota=async userId=>{try{await window.SonicAPI.updateUserQuota(userId,parseInt(newQuotaMb));setMsg('Đã cập nhật hạn mức Quota thành công!');setEditingQuotaUser(null);loadUsers();}catch(err){setError(err.message||'Lỗi cập nhật Quota');}};const handleToggleRole=async user=>{const nextRole=user.role==='admin'?'standard':'admin';try{await window.SonicAPI.updateUserRole(user.id,nextRole,user.is_active);setMsg(`Đã đổi vai trò người dùng ${user.username} thành ${nextRole}`);loadUsers();}catch(err){setError(err.message||'Lỗi cập nhật vai trò');}};const handleDeleteUser=async userId=>{if(!confirm('Bạn có chắc chắn muốn xóa người dùng này khỏi hệ thống?'))return;try{await window.SonicAPI.deleteUser(userId);setMsg('Đã xóa người dùng thành công');loadUsers();}catch(err){setError(err.message||'Lỗi khi xóa người dùng');}};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-4xl p-6 text-slate-200"},/*#__PURE__*/React.createElement("div",{className:"flex justify-between items-center pb-4 border-b border-[#383838]"},/*#__PURE__*/React.createElement("h3",{className:"text-lg font-bold text-amber-400"},"⚙️ Quản Lý Hệ Thống & Phân Quyền Admin"),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"text-slate-400 hover:text-slate-200"},"✕")),msg&&/*#__PURE__*/React.createElement("div",{className:"mt-3 p-2 bg-emerald-950/60 border border-emerald-700 text-emerald-300 rounded text-xs"},msg),error&&/*#__PURE__*/React.createElement("div",{className:"mt-3 p-2 bg-red-950/60 border border-red-700 text-red-300 rounded text-xs"},error),/*#__PURE__*/React.createElement("div",{className:"mt-4 overflow-x-auto max-h-96 no-scrollbar"},loading?/*#__PURE__*/React.createElement("div",{className:"py-8 text-center text-slate-400 text-xs"},"Đang tải thông tin hệ thống..."):/*#__PURE__*/React.createElement("table",{className:"w-full text-left text-xs border-collapse"},/*#__PURE__*/React.createElement("thead",null,/*#__PURE__*/React.createElement("tr",{className:"border-b border-[#383838] text-slate-400 bg-[#1e1e1e]"},/*#__PURE__*/React.createElement("th",{className:"p-3"},"Tên Người Dùng"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Email"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Vai Trò"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Dung Lượng Sử Dụng"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Hạn Mức Quota"),/*#__PURE__*/React.createElement("th",{className:"p-3 text-right"},"Thao Tác"))),/*#__PURE__*/React.createElement("tbody",{className:"divide-y divide-[#333]"},users.map(u=>/*#__PURE__*/React.createElement("tr",{key:u.id,className:"hover:bg-[#2e2e2e]"},/*#__PURE__*/React.createElement("td",{className:"p-3 font-semibold text-teal-300"},u.username,u.must_change_password&&/*#__PURE__*/React.createElement("span",{className:"ml-2 text-xs bg-amber-900/60 text-amber-300 px-1.5 py-0.5 rounded"},"Mật khẩu gốc")),/*#__PURE__*/React.createElement("td",{className:"p-3 text-slate-300"},u.email),/*#__PURE__*/React.createElement("td",{className:"p-3 uppercase font-bold text-amber-400"},u.role),/*#__PURE__*/React.createElement("td",{className:"p-3"},u.used_mb," MB"),/*#__PURE__*/React.createElement("td",{className:"p-3"},editingQuotaUser===u.id?/*#__PURE__*/React.createElement("div",{className:"flex items-center space-x-1"},/*#__PURE__*/React.createElement("input",{type:"number",value:newQuotaMb,onChange:e=>setNewQuotaMb(e.target.value),className:"w-16 bg-[#1e1e1e] border border-[#444] rounded px-1 py-0.5 text-xs text-slate-200"}),/*#__PURE__*/React.createElement("span",null,"MB"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSaveQuota(u.id),className:"px-2 py-0.5 bg-teal-600 rounded text-xs"},"Lưu")):/*#__PURE__*/React.createElement("span",{className:"font-semibold"},u.quota_mb," MB")),/*#__PURE__*/React.createElement("td",{className:"p-3 text-right space-x-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setEditingQuotaUser(u.id);setNewQuotaMb(u.quota_mb);},className:"px-2 py-1 bg-slate-700 hover:bg-slate-600 rounded text-xs"},"Sửa Quota"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleToggleRole(u),className:"px-2 py-1 bg-amber-700/60 hover:bg-amber-600 rounded text-xs"},"Đổi Role"),u.role!=='admin'&&/*#__PURE__*/React.createElement("button",{onClick:()=>handleDeleteUser(u.id),className:"px-2 py-1 bg-red-700/60 hover:bg-red-600 rounded text-xs"},"Xóa")))))))));};const DEFAULT_PRESETS=[{id:"preset_epic_orchestra_intro",name:"Epic Orchestra Intro (8 Bars)",keywords:["epic orchestra","epic orchestral","hoành tráng","nhạc phim epic"],category:"Orchestral / Film Score",default_bars:8,default_bpm:130,default_scale:"C Minor",system_instruction_template:"You are a professional film composer. Create a powerful, dramatic 8-bar orchestral intro. Keep the note density low (e.g. use mostly whole notes, half notes, or quarter notes) and do NOT generate dense 16th notes or complex drum rolls. This is critical to avoid output token limit timeouts. The required structure to return via the `generate_multitrack_midi` tool consists of 3 tracks: 1. Strings: plays smooth legato chord changes (one chord per 1 or 2 bars). 2. Brass Theme: plays a swelling simple melodic line in the C3-C5 range. 3. Epic Percussion: hits heavily on beats 1 and 3. Ensure the duration is precisely 8 bars (32 beats).",is_user_defined:false,created_at:"2026-07-23T16:00:00Z"},{id:"preset_pop_piano_chords",name:"Pop Piano Chords (4 Bars)",keywords:["pop piano","piano chords","ballad piano","hợp âm piano"],category:"Pop / Ballad",default_bars:4,default_bpm:90,default_scale:"C Major",system_instruction_template:"You are a professional Pop Piano player. Generate a beautiful 4-bar piano chord progression (e.g. C - G - Am - F) with pleasant chord voicing and simple accompaniment. Return the MIDI notes via `generate_multitrack_midi` function on a track named 'Pop Piano'. Keep notes simple, using mostly whole/half/quarter notes. Ensure the duration of the track is precisely 4 bars (16 beats).",is_user_defined:false,created_at:"2026-07-23T16:00:00Z"},{id:"preset_cyberpunk_synth",name:"Cyberpunk Synthwave (8 Bars)",keywords:["cyberpunk synth","synthwave","cyberpunk","futuristic synth"],category:"Electronic / Synthwave",default_bars:8,default_bpm:120,default_scale:"A Minor",system_instruction_template:"You are a Synthwave producer. Generate a driving 8-bar cyberpunk synth theme. Return MIDI notes via `generate_multitrack_midi` containing: 1. Synth Bass: eighth notes on pitch A1, C2, G1. 2. Synth Lead: simple melodic line in high register C4-E5. Keep notes clean and concise to ensure fast generation.",is_user_defined:false,created_at:"2026-07-23T16:00:00Z"}];const AIPresetModal=({isOpen,onClose})=>{if(!isOpen)return null;const[presets,setPresets]=React.useState(()=>{const local=localStorage.getItem('daw_ai_prompt_presets');if(!local)return DEFAULT_PRESETS;try{const parsed=JSON.parse(local);const userPresets=parsed.filter(p=>p.is_user_defined);return[...DEFAULT_PRESETS,...userPresets];}catch(_){return DEFAULT_PRESETS;}});const[search,setSearch]=React.useState('');const[filterCategory,setFilterCategory]=React.useState('ALL');const[editingPreset,setEditingPreset]=React.useState(null);// preset object or 'new'
-// Form states
-const[formName,setFormName]=React.useState('');const[formKeywords,setFormKeywords]=React.useState('');const[formCategory,setFormCategory]=React.useState('Orchestral / Film Score');const[formBars,setFormBars]=React.useState(8);const[formBpm,setFormBpm]=React.useState(120);const[formScale,setFormScale]=React.useState('C Minor');const[formTemplate,setFormTemplate]=React.useState('');const savePresets=newPresets=>{setPresets(newPresets);localStorage.setItem('daw_ai_prompt_presets',JSON.stringify(newPresets));};const handleEdit=p=>{setEditingPreset(p);setFormName(p.name);setFormKeywords(p.keywords.join(', '));setFormCategory(p.category);setFormBars(p.default_bars);setFormBpm(p.default_bpm);setFormScale(p.default_scale);setFormTemplate(p.system_instruction_template);};const handleNew=()=>{setEditingPreset('new');setFormName('');setFormKeywords('');setFormCategory('Orchestral / Film Score');setFormBars(8);setFormBpm(120);setFormScale('C Minor');setFormTemplate('');};const handleDelete=id=>{const updated=presets.filter(p=>p.id!==id);savePresets(updated);showToast('Đã xóa preset.','info');};const handleSaveForm=e=>{e.preventDefault();if(!formName.trim()||!formTemplate.trim()){showToast('Vui lòng điền đầy đủ tên và mẫu gợi ý.','warning');return;}const keywordsArray=formKeywords.split(',').map(k=>k.trim()).filter(Boolean);const presetObj={id:editingPreset==='new'?'preset_'+Date.now():editingPreset.id,name:formName.trim(),keywords:keywordsArray,category:formCategory,default_bars:parseInt(formBars)||8,default_bpm:parseInt(formBpm)||120,default_scale:formScale,system_instruction_template:formTemplate.trim(),is_user_defined:true,created_at:editingPreset==='new'?new Date().toISOString():editingPreset.created_at};let updated;if(editingPreset==='new'){updated=[...presets,presetObj];}else{updated=presets.map(p=>p.id===presetObj.id?presetObj:p);}savePresets(updated);setEditingPreset(null);showToast('Đã lưu preset thành công!','success');};const categories=['ALL',...new Set(presets.map(p=>p.category))];const filtered=presets.filter(p=>{const matchesSearch=p.name.toLowerCase().includes(search.toLowerCase())||p.keywords.some(k=>k.toLowerCase().includes(search.toLowerCase()));const matchesCategory=filterCategory==='ALL'||p.category===filterCategory;return matchesSearch&&matchesCategory;});return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/75 backdrop-blur-sm p-4 animate-fade-in"},/*#__PURE__*/React.createElement("div",{className:"bg-[#18181b] border border-zinc-800 rounded-xl shadow-2xl w-full max-w-4xl max-h-[85vh] flex flex-col overflow-hidden text-zinc-100"},/*#__PURE__*/React.createElement("div",{className:"p-4 border-b border-zinc-800 flex items-center justify-between shrink-0 bg-[#202024]"},/*#__PURE__*/React.createElement("h2",{className:"text-sm font-bold tracking-wider uppercase text-purple-400 flex items-center gap-1.5"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-4 h-4"}),"AI Prompt Preset Manager"),/*#__PURE__*/React.createElement("button",{onClick:()=>{setEditingPreset(null);onClose();},className:"text-zinc-400 hover:text-zinc-200 transition"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-4 h-4"}))),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto p-4 flex gap-4 min-h-0"},!editingPreset?/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col min-w-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 mb-3 shrink-0"},/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"Tìm kiếm preset hoặc từ khóa...",value:search,onChange:e=>setSearch(e.target.value),className:"flex-1 bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600"}),/*#__PURE__*/React.createElement("select",{value:filterCategory,onChange:e=>setFilterCategory(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600"},categories.map(c=>/*#__PURE__*/React.createElement("option",{key:c,value:c},c==='ALL'?'Tất cả danh mục':c))),/*#__PURE__*/React.createElement("button",{onClick:handleNew,className:"px-3 py-1 bg-purple-700 hover:bg-purple-600 text-white rounded text-xs font-bold flex items-center gap-1.5 shadow transition shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-3.5 h-3.5"}),"Tạo mới")),/*#__PURE__*/React.createElement("div",{className:"flex-1 border border-zinc-800 rounded bg-[#0f0f12] overflow-y-auto"},filtered.length===0?/*#__PURE__*/React.createElement("div",{className:"p-8 text-center text-zinc-500 text-xs italic"},"Không tìm thấy preset nào."):/*#__PURE__*/React.createElement("table",{className:"w-full text-left text-xs border-collapse"},/*#__PURE__*/React.createElement("thead",{className:"bg-[#1f1f23] text-zinc-400 font-bold border-b border-zinc-800"},/*#__PURE__*/React.createElement("tr",null,/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/4"},"Tên Preset"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/4"},"Từ khóa kích hoạt"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/6"},"Số Bar"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/6"},"BPM"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/6 text-right"},"Hành động"))),/*#__PURE__*/React.createElement("tbody",null,filtered.map(p=>/*#__PURE__*/React.createElement("tr",{key:p.id,className:"border-b border-zinc-800/50 hover:bg-zinc-850"},/*#__PURE__*/React.createElement("td",{className:"p-2.5 font-semibold text-purple-300"},p.name),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-zinc-400 font-mono text-[11px] truncate max-w-[150px]"},p.keywords.join(', ')),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-zinc-400"},p.default_bars," Bars"),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-zinc-400"},p.default_bpm," BPM"),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-right flex items-center justify-end gap-1.5 h-full"},/*#__PURE__*/React.createElement("button",{type:"button",onClick:()=>handleEdit(p),className:"px-2 py-0.5 bg-zinc-850 hover:bg-zinc-700 text-zinc-300 rounded border border-zinc-700 text-[10px]"},"Sửa"),/*#__PURE__*/React.createElement("button",{type:"button",onClick:()=>handleDelete(p.id),className:"px-2 py-0.5 bg-red-950/40 hover:bg-red-800 text-red-400 rounded border border-red-900 text-[10px]"},"Xóa"))))))))):/*#__PURE__*/React.createElement("form",{onSubmit:handleSaveForm,className:"flex-1 flex flex-col gap-3 min-w-0"},/*#__PURE__*/React.createElement("div",{className:"text-xs font-bold text-zinc-400 shrink-0 border-b border-zinc-800 pb-1"},editingPreset==='new'?"TẠO PRESET MỚI":`SỬA PRESET: ${editingPreset.name}`),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-3"},/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Tên Preset"),/*#__PURE__*/React.createElement("input",{type:"text",value:formName,onChange:e=>setFormName(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Danh mục"),/*#__PURE__*/React.createElement("input",{type:"text",value:formCategory,onChange:e=>setFormCategory(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"}))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Từ khóa kích hoạt (ngăn cách bằng dấu phẩy)"),/*#__PURE__*/React.createElement("input",{type:"text",value:formKeywords,onChange:e=>setFormKeywords(e.target.value),placeholder:"Ví dụ: epic orchestra, hoành tráng, nhạc phim epic",className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-3"},/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Số Bars mặc định"),/*#__PURE__*/React.createElement("input",{type:"number",value:formBars,onChange:e=>setFormBars(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"BPM mặc định"),/*#__PURE__*/React.createElement("input",{type:"number",value:formBpm,onChange:e=>setFormBpm(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Âm giai (Scale) mặc định"),/*#__PURE__*/React.createElement("input",{type:"text",value:formScale,onChange:e=>setFormScale(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"}))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1 flex-1 min-h-0"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"System Prompt Template / Luật soạn nhạc"),/*#__PURE__*/React.createElement("textarea",{value:formTemplate,onChange:e=>setFormTemplate(e.target.value),rows:6,className:"flex-1 bg-zinc-900 border border-zinc-700 rounded p-2.5 text-xs outline-none focus:border-purple-600 text-zinc-200 font-mono resize-none"})),/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-end gap-2 shrink-0 pt-2 border-t border-zinc-800"},/*#__PURE__*/React.createElement("button",{type:"button",onClick:()=>setEditingPreset(null),className:"px-3 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-400 border border-zinc-700 rounded text-xs transition"},"Quay lại"),/*#__PURE__*/React.createElement("button",{type:"submit",className:"px-3 py-1.5 bg-purple-700 hover:bg-purple-600 text-white rounded text-xs font-bold shadow transition"},"Lưu Preset")))),/*#__PURE__*/React.createElement("div",{className:"p-4 border-t border-zinc-800 flex justify-end shrink-0 bg-[#202024]"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setEditingPreset(null);onClose();},className:"px-4 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 border border-zinc-700 rounded text-xs font-bold shadow transition"},"Đóng"))));};const PianoRollTabEditor=({st,zoom,bpm,viewportWidth,activeTracks,onClose,onUpdateNotes,onSaveNotes,setSubTabs,onPlayPause,onStop,isPlaying,playPreviewNote,showToast,midiDevices,recordingState,recTempMidiNotes,onRecord,selectedMidiInputId,onMidiInputSelect,activeMidiPitches,onInstrumentSelect,onRescheduleMidi,onSeekPlayhead})=>{const[activeRollTool,setActiveRollTool]=React.useState('select');const[snapVal,setSnapVal]=React.useState('1/16');const[ccMode,setCcMode]=React.useState('velocity');const[rollZoom,setRollZoom]=React.useState(60);// local horizontal zoom factor
+const[confirmModal,setConfirmModal]=useState(null);const handleDragStart=e=>{const r=dragRef.current;r.active=true;r.startX=e.clientX;r.startY=e.clientY;r.ofsX=dragOfs.x;r.ofsY=dragOfs.y;const onMove=ev=>{if(!r.active)return;setDragOfs({x:r.ofsX+ev.clientX-r.startX,y:r.ofsY+ev.clientY-r.startY});};const onUp=()=>{r.active=false;document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);};useEffect(()=>{if(isOpen){fetchProfile();if(activeTab==='projects')fetchProjects();if(activeTab==='files')fetchFiles();}},[isOpen,activeTab]);const fetchProfile=async()=>{try{const data=await window.SonicAPI.getProfile();setProfile(data);}catch(e){setError(e.message||'Không thể tải thông tin profile');}};const fetchProjects=async()=>{setLoadingProjects(true);try{const data=await window.SonicAPI.listCloudProjects();setProjectsList(data||[]);}catch(e){showToast(e.message||'Không thể tải danh sách dự án','error');}finally{setLoadingProjects(false);}};const fetchFiles=async()=>{setLoadingFiles(true);try{const activeFileIds=tracks.map(t=>t.serverFileId).filter(Boolean);const data=await window.SonicAPI.listMyFiles(activeFileIds);setFilesList(data||[]);}catch(e){showToast(e.message||'Không thể tải danh sách tệp tin','error');}finally{setLoadingFiles(false);}};const handleOpenProject=async projectId=>{setAppWarningModal({title:"Mở dự án",message:"Bạn có muốn mở dự án này? Các thay đổi chưa lưu trên workspace hiện tại sẽ bị mất.",isAlert:false,onConfirm:async()=>{try{const proj=await window.SonicAPI.getCloudProject(projectId);const parsed=JSON.parse(proj.data_json);let restoredTracks=[];let restoredBpm=bpm;let restoredSessionTabs=[];let restoredSubTabs=[];if(parsed.main_session){const result=deserializeProjectFromSchema(parsed);restoredTracks=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;restoredSubTabs=result.subTabs;}else{restoredTracks=(parsed.tracks||[]).map(t=>{const{height:_h,...rest}=t;return{...rest,buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null};});}setTracks(restoredTracks);setBpm(restoredBpm.toString());setSelectedTrackId(restoredTracks[0]?.id||'1');setProjectName(proj.name);setCurrentProjectId(proj.id);if(restoredSessionTabs.length>0){setSessionTabs(restoredSessionTabs);}if(restoredSubTabs.length>0){setSubTabs(restoredSubTabs);}localStorage.setItem('sonic_project_name',proj.name);localStorage.setItem('sonic_project_id',proj.id);showToast(`Đã nạp dự án "${proj.name}" thành công!`,"success");}catch(e){showToast(e.message||"Lỗi khi nạp dự án","error");}}});};const handleDeleteProject=async(projectId,e)=>{e.stopPropagation();setConfirmModal({title:"Xóa dự án Cloud",message:"Bạn có chắc chắn muốn xóa dự án này khỏi Cloud? Hành động này không thể hoàn tác.",onConfirm:async()=>{try{await window.SonicAPI.deleteCloudProject(projectId);showToast("Đã xóa dự án thành công!","success");fetchProjects();fetchProfile();}catch(err){showToast(err.message||"Lỗi khi xóa dự án","error");}}});};const handleDeleteFile=async fileId=>{if(!confirm(`Bạn có chắc chắn muốn xóa tệp tin ${fileId}?`))return;try{await window.SonicAPI.deleteMyFile(fileId);showToast("Đã xóa tệp tin thành công!","success");fetchFiles();fetchProfile();}catch(err){showToast(err.message||"Lỗi khi xóa tệp tin","error");}};const handleCleanUnusedFiles=async()=>{const unusedFiles=filesList.filter(f=>!f.is_in_use);if(unusedFiles.length===0){showToast("Không có tập tin rác nào để dọn dẹp.","info");return;}if(!confirm(`Bạn có chắc chắn muốn xóa tất cả ${unusedFiles.length} tập tin rác để giải phóng dung lượng?`))return;let successCount=0;for(const file of unusedFiles){try{await window.SonicAPI.deleteMyFile(file.file_id);successCount++;}catch(e){console.error("Lỗi xóa file rác: ",file.file_id,e);}}showToast(`Đã dọn dẹp thành công ${successCount}/${unusedFiles.length} tập tin rác!`,"success");fetchFiles();fetchProfile();};const handleChangePassword=async e=>{e.preventDefault();setMsg('');setError('');setLoading(true);try{const res=await window.SonicAPI.changePassword(oldPassword,newPassword);setMsg(res.message||'Đổi mật khẩu thành công!');setOldPassword('');setNewPassword('');}catch(err){setError(err.message||'Lỗi khi đổi mật khẩu');}finally{setLoading(false);}};const modalStyle={left:`calc(50% + ${dragOfs.x}px)`,top:`calc(50% + ${dragOfs.y}px)`,transform:'translate(-50%, -50%)'};return/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{key:"backdrop",className:"fixed inset-0 z-40 bg-black/70 backdrop-blur-sm",onClick:onClose}),confirmModal&&/*#__PURE__*/React.createElement("div",{key:"confirm-overlay",className:"fixed inset-0 z-[60] flex items-center justify-center bg-black/50"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-lg shadow-2xl p-5 max-w-sm w-full text-slate-200"},/*#__PURE__*/React.createElement("h4",{className:"text-sm font-bold text-rose-400 mb-2"},confirmModal.title),/*#__PURE__*/React.createElement("p",{className:"text-xs text-slate-300 mb-4"},confirmModal.message),/*#__PURE__*/React.createElement("div",{className:"flex justify-end gap-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>setConfirmModal(null),className:"px-3 py-1.5 bg-zinc-700 hover:bg-zinc-600 text-slate-300 rounded text-xs font-semibold"},"Hủy"),/*#__PURE__*/React.createElement("button",{onClick:()=>{const fn=confirmModal.onConfirm;setConfirmModal(null);fn();},className:"px-3 py-1.5 bg-rose-700 hover:bg-rose-600 text-white rounded text-xs font-semibold"},"Xác nhận xóa")))),/*#__PURE__*/React.createElement("div",{key:"dialog",className:"fixed z-50 bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-2xl p-6 text-slate-200 flex flex-col max-h-[85vh]",style:modalStyle},/*#__PURE__*/React.createElement("div",{className:"flex justify-between items-center pb-3 border-b border-[#383838] shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:handleDragStart},/*#__PURE__*/React.createElement("h3",{className:"text-md font-bold text-teal-400 flex items-center gap-1.5"},"👤 Hồ Sơ Cá Nhân & Quản Lý Dự Án"),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"text-slate-400 hover:text-slate-200"},"✕")),/*#__PURE__*/React.createElement("div",{className:"flex gap-2 border-b border-[#383838] py-2 shrink-0 text-xs font-semibold"},[/*#__PURE__*/React.createElement("button",{key:"tab-acc",onClick:()=>setActiveTab('account'),className:`px-3 py-1.5 rounded transition ${activeTab==='account'?'bg-teal-950/60 text-teal-300 border border-teal-800':'text-slate-400 hover:text-slate-200'}`},"Tài Khoản"),/*#__PURE__*/React.createElement("button",{key:"tab-proj",onClick:()=>setActiveTab('projects'),className:`px-3 py-1.5 rounded transition ${activeTab==='projects'?'bg-teal-950/60 text-teal-300 border border-teal-800':'text-slate-400 hover:text-slate-200'}`},"Dự Án Cloud"),/*#__PURE__*/React.createElement("button",{key:"tab-files",onClick:()=>setActiveTab('files'),className:`px-3 py-1.5 rounded transition ${activeTab==='files'?'bg-teal-950/60 text-teal-300 border border-teal-800':'text-slate-400 hover:text-slate-200'}`},"Tập Tin Của Tôi")]),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto pt-4 space-y-4 pr-1 min-h-[300px]"},activeTab==='account'&&profile?[/*#__PURE__*/React.createElement("div",{key:"quota-info",className:"bg-[#1e1e1e] p-4 rounded-lg border border-[#333] grid grid-cols-2 gap-4 text-xs"},[/*#__PURE__*/React.createElement("div",{key:"username"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Tên người dùng"),/*#__PURE__*/React.createElement("span",{className:"font-bold text-teal-300 text-sm"},profile.username)]),/*#__PURE__*/React.createElement("div",{key:"role"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Vai trò"),/*#__PURE__*/React.createElement("span",{className:"uppercase font-semibold text-amber-400"},profile.role)]),/*#__PURE__*/React.createElement("div",{key:"email"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Email"),/*#__PURE__*/React.createElement("span",null,profile.email)]),/*#__PURE__*/React.createElement("div",{key:"quota"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-500 block"},"Dung lượng Quota"),/*#__PURE__*/React.createElement("span",{className:"font-semibold text-slate-200"},`${profile.quota.used_mb} MB / ${profile.quota.storage_limit_mb} MB`)])]),/*#__PURE__*/React.createElement("div",{key:"progress"},[/*#__PURE__*/React.createElement("div",{className:"flex justify-between text-xs mb-1"},[/*#__PURE__*/React.createElement("span",{className:"text-slate-400"},"Tiến trình sử dụng bộ nhớ Server"),/*#__PURE__*/React.createElement("span",{className:"font-bold text-teal-400"},`${(profile.quota.used_mb/profile.quota.storage_limit_mb*100).toFixed(1)}%`)]),/*#__PURE__*/React.createElement("div",{className:"w-full h-2 bg-slate-800 rounded-full overflow-hidden"},[/*#__PURE__*/React.createElement("div",{className:"h-full bg-teal-500 rounded-full transition-all duration-300",style:{width:`${Math.min(100,profile.quota.used_mb/profile.quota.storage_limit_mb*100)}%`}})])]),/*#__PURE__*/React.createElement("form",{key:"pwd-form",onSubmit:handleChangePassword,className:"pt-4 border-t border-[#383838] space-y-3"},[/*#__PURE__*/React.createElement("h4",{className:"text-xs font-bold text-slate-300 uppercase"},"Thay Đổi Mật Khẩu"),msg&&/*#__PURE__*/React.createElement("div",{className:"p-2 bg-emerald-950/60 border border-emerald-700 text-emerald-300 rounded text-xs"},msg),error&&/*#__PURE__*/React.createElement("div",{className:"p-2 bg-red-950/60 border border-red-700 text-red-300 rounded text-xs"},error),/*#__PURE__*/React.createElement("div",{key:"old"},[/*#__PURE__*/React.createElement("label",{className:"block text-xs text-slate-400 mb-1"},"Mật khẩu cũ"),/*#__PURE__*/React.createElement("input",{type:"password",autoComplete:"current-password",required:true,value:oldPassword,onChange:e=>setOldPassword(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs focus:outline-none focus:border-teal-500"})]),/*#__PURE__*/React.createElement("div",{key:"new"},[/*#__PURE__*/React.createElement("label",{className:"block text-xs text-slate-400 mb-1"},"Mật khẩu mới"),/*#__PURE__*/React.createElement("input",{type:"password",autoComplete:"new-password",required:true,value:newPassword,onChange:e=>setNewPassword(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs focus:outline-none focus:border-teal-500"})]),/*#__PURE__*/React.createElement("button",{type:"submit",disabled:loading,className:"w-full py-1.5 bg-teal-600 hover:bg-teal-500 text-white font-semibold text-xs rounded transition"},loading?'Đang cập nhật...':'Cập Nhật Mật Khẩu')])]:activeTab==='projects'?[loadingProjects?/*#__PURE__*/React.createElement("div",{key:"loading",className:"text-center py-8 text-xs text-zinc-500"},"Đang tải danh sách dự án..."):projectsList.length===0?/*#__PURE__*/React.createElement("div",{key:"empty",className:"text-center py-8 text-xs text-zinc-500"},"Bạn chưa có dự án nào lưu trên Cloud."):/*#__PURE__*/React.createElement("div",{key:"list",className:"space-y-1.5"},[projectsList.map(proj=>/*#__PURE__*/React.createElement("div",{key:proj.id,onClick:()=>handleOpenProject(proj.id),className:"flex items-center justify-between p-3 bg-[#1e1e1e] hover:bg-zinc-800 rounded border border-zinc-800 transition cursor-pointer text-xs group"},[/*#__PURE__*/React.createElement("div",{key:"meta"},[/*#__PURE__*/React.createElement("div",{className:"font-bold text-slate-200 group-hover:text-teal-400"},proj.name),/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 mt-0.5"},`Dung lượng: ${proj.size_mb} MB | Cập nhật: ${new Date(proj.updated_at*1000).toLocaleString()}`)]),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex items-center gap-1.5"},[/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();handleOpenProject(proj.id);},className:"px-2.5 py-1 bg-teal-800/80 hover:bg-teal-700 text-teal-200 rounded font-semibold text-[10px]"},"MỞ"),/*#__PURE__*/React.createElement("button",{onClick:e=>handleDeleteProject(proj.id,e),className:"px-2 py-1 bg-rose-950/60 hover:bg-rose-900/80 text-rose-300 rounded font-semibold text-[10px]"},"XÓA")])]))])]:activeTab==='files'?[/*#__PURE__*/React.createElement("div",{key:"cleanup-header",className:"flex items-center justify-between bg-zinc-900/60 p-2.5 rounded border border-zinc-800 text-xs shrink-0 mb-3"},[/*#__PURE__*/React.createElement("span",{className:"text-zinc-400 text-[10px]"},"💡 Các tập tin không dùng trong dự án nào sẽ được đánh dấu 'Không dùng' và có thể xóa để giải phóng dung lượng."),/*#__PURE__*/React.createElement("button",{onClick:handleCleanUnusedFiles,className:"px-2.5 py-1 bg-rose-700 hover:bg-rose-600 text-white rounded font-bold text-[10px] uppercase flex items-center gap-1"},"🧹 Dọn dẹp tệp rác")]),loadingFiles?/*#__PURE__*/React.createElement("div",{key:"loading",className:"text-center py-8 text-xs text-zinc-500"},"Đang tải danh sách tập tin..."):filesList.length===0?/*#__PURE__*/React.createElement("div",{key:"empty",className:"text-center py-8 text-xs text-zinc-500"},"Chưa có tập tin nào tải lên hoặc tạo ra."):/*#__PURE__*/React.createElement("div",{key:"list",className:"space-y-1.5"},[filesList.map(file=>/*#__PURE__*/React.createElement("div",{key:file.file_id,className:"flex items-center justify-between p-3 bg-[#1e1e1e] rounded border border-zinc-800 text-xs"},[/*#__PURE__*/React.createElement("div",{key:"meta",className:"max-w-[70%]"},[/*#__PURE__*/React.createElement("div",{className:"font-semibold text-slate-300 truncate"},file.original_name||file.file_id),/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 mt-0.5"},`Loại: ${file.type} | Dung lượng: ${file.size_mb} MB | Tạo lúc: ${new Date(file.created_at*1000).toLocaleString()}`)]),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex items-center gap-2"},[file.is_in_use?/*#__PURE__*/React.createElement("span",{className:"px-2 py-0.5 bg-emerald-950 text-emerald-400 border border-emerald-900 rounded text-[9px] uppercase font-bold font-mono"},"Đang dùng"):/*#__PURE__*/React.createElement("span",{className:"px-2 py-0.5 bg-zinc-850 text-zinc-400 border border-zinc-700 rounded text-[9px] uppercase font-bold font-mono"},"Không dùng"),!file.is_in_use&&/*#__PURE__*/React.createElement("button",{onClick:()=>handleDeleteFile(file.file_id),className:"px-2 py-0.5 bg-rose-950 hover:bg-rose-900 text-rose-300 rounded font-semibold text-[10px] border border-rose-900"},"Xóa")])]))])]:null)));};const SaveProjectModal=({isOpen,onClose,onSave})=>{if(!isOpen)return null;const[name,setName]=useState('');const handleSubmit=e=>{e.preventDefault();if(!name.trim())return;onSave(name.trim());onClose();};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-md p-6 text-slate-200"},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-teal-400 mb-4 uppercase"},"Đặt tên dự án"),/*#__PURE__*/React.createElement("form",{onSubmit:handleSubmit,className:"space-y-4"},[/*#__PURE__*/React.createElement("input",{key:"name-input",type:"text",placeholder:"Nhập tên dự án...",required:true,value:name,onChange:e=>setName(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs text-slate-200 focus:outline-none focus:border-teal-500 font-bold",autoFocus:true}),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex justify-end gap-2 text-xs"},[/*#__PURE__*/React.createElement("button",{key:"cancel",type:"button",onClick:onClose,className:"px-3 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 rounded"},"Hủy"),/*#__PURE__*/React.createElement("button",{key:"save",type:"submit",className:"px-3 py-1.5 bg-teal-600 hover:bg-teal-500 text-white rounded font-semibold"},"Lưu")])])));};const SaveAsModal=({isOpen,onClose,projectName,onSaveCloud,onSaveLocal})=>{if(!isOpen)return null;const[name,setName]=useState(projectName||'');const[saveType,setSaveType]=useState('cloud');const handleSubmit=e=>{e.preventDefault();if(!name.trim())return;if(saveType==='cloud'){onSaveCloud(name.trim());}else{onSaveLocal(name.trim());}onClose();};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-md p-6 text-slate-200"},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-teal-400 mb-4 uppercase"},"Lưu dưới tên khác (Save As...)"),/*#__PURE__*/React.createElement("form",{onSubmit:handleSubmit,className:"space-y-4"},[/*#__PURE__*/React.createElement("div",{key:"name-block"},[/*#__PURE__*/React.createElement("label",{className:"block text-[10px] text-zinc-400 uppercase font-bold mb-1"},"Tên dự án mới"),/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"Nhập tên mới...",required:true,value:name,onChange:e=>setName(e.target.value),className:"w-full bg-[#1e1e1e] border border-[#383838] rounded px-3 py-1.5 text-xs text-slate-200 focus:outline-none focus:border-teal-500 font-bold",autoFocus:true})]),/*#__PURE__*/React.createElement("div",{key:"type-block"},[/*#__PURE__*/React.createElement("label",{className:"block text-[10px] text-zinc-400 uppercase font-bold mb-1.5"},"Phương thức lưu trữ"),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-2 text-xs"},[/*#__PURE__*/React.createElement("button",{key:"btn-cloud",type:"button",onClick:()=>setSaveType('cloud'),className:`py-2 rounded border flex flex-col items-center gap-1 font-semibold transition ${saveType==='cloud'?'bg-teal-950/60 border-teal-500 text-teal-300':'bg-zinc-800 border-zinc-700 hover:bg-zinc-750 text-zinc-400'}`},[/*#__PURE__*/React.createElement("span",{key:"title"},"☁️ Lưu Cloud"),/*#__PURE__*/React.createElement("span",{key:"desc",className:"text-[9px] font-normal text-zinc-500"},"Lưu lên server cá nhân")]),/*#__PURE__*/React.createElement("button",{key:"btn-local",type:"button",onClick:()=>setSaveType('local'),className:`py-2 rounded border flex flex-col items-center gap-1 font-semibold transition ${saveType==='local'?'bg-teal-950/60 border-teal-500 text-teal-300':'bg-zinc-800 border-zinc-700 hover:bg-zinc-750 text-zinc-400'}`},[/*#__PURE__*/React.createElement("span",{key:"title"},"💾 Tải về máy (.sfs)"),/*#__PURE__*/React.createElement("span",{key:"desc",className:"text-[9px] font-normal text-zinc-500"},"Tải tệp JSON dự án về máy")])])]),/*#__PURE__*/React.createElement("div",{key:"actions",className:"flex justify-end gap-2 text-xs pt-2"},[/*#__PURE__*/React.createElement("button",{key:"cancel",type:"button",onClick:onClose,className:"px-3 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 rounded"},"Hủy"),/*#__PURE__*/React.createElement("button",{key:"save",type:"submit",className:"px-3 py-1.5 bg-teal-600 hover:bg-teal-500 text-white rounded font-semibold"},"Thực hiện lưu")])])));};const SystemManagerModal=({isOpen,onClose})=>{if(!isOpen)return null;const[users,setUsers]=useState([]);const[loading,setLoading]=useState(true);const[msg,setMsg]=useState('');const[error,setError]=useState('');const[editingQuotaUser,setEditingQuotaUser]=useState(null);const[newQuotaMb,setNewQuotaMb]=useState(500);useEffect(()=>{if(isOpen)loadUsers();},[isOpen]);const loadUsers=async()=>{setLoading(true);setError('');try{const data=await window.SonicAPI.listUsers();setUsers(data);}catch(err){setError(err.message||'Không thể tải danh sách người dùng hệ thống');}finally{setLoading(false);}};const handleSaveQuota=async userId=>{try{await window.SonicAPI.updateUserQuota(userId,parseInt(newQuotaMb));setMsg('Đã cập nhật hạn mức Quota thành công!');setEditingQuotaUser(null);loadUsers();}catch(err){setError(err.message||'Lỗi cập nhật Quota');}};const handleToggleRole=async user=>{const nextRole=user.role==='admin'?'standard':'admin';try{await window.SonicAPI.updateUserRole(user.id,nextRole,user.is_active);setMsg(`Đã đổi vai trò người dùng ${user.username} thành ${nextRole}`);loadUsers();}catch(err){setError(err.message||'Lỗi cập nhật vai trò');}};const handleDeleteUser=async userId=>{if(!confirm('Bạn có chắc chắn muốn xóa người dùng này khỏi hệ thống?'))return;try{await window.SonicAPI.deleteUser(userId);setMsg('Đã xóa người dùng thành công');loadUsers();}catch(err){setError(err.message||'Lỗi khi xóa người dùng');}};return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-4xl p-6 text-slate-200"},/*#__PURE__*/React.createElement("div",{className:"flex justify-between items-center pb-4 border-b border-[#383838]"},/*#__PURE__*/React.createElement("h3",{className:"text-lg font-bold text-amber-400"},"⚙️ Quản Lý Hệ Thống & Phân Quyền Admin"),/*#__PURE__*/React.createElement("button",{onClick:onClose,className:"text-slate-400 hover:text-slate-200"},"✕")),msg&&/*#__PURE__*/React.createElement("div",{className:"mt-3 p-2 bg-emerald-950/60 border border-emerald-700 text-emerald-300 rounded text-xs"},msg),error&&/*#__PURE__*/React.createElement("div",{className:"mt-3 p-2 bg-red-950/60 border border-red-700 text-red-300 rounded text-xs"},error),/*#__PURE__*/React.createElement("div",{className:"mt-4 overflow-x-auto max-h-96 no-scrollbar"},loading?/*#__PURE__*/React.createElement("div",{className:"py-8 text-center text-slate-400 text-xs"},"Đang tải thông tin hệ thống..."):/*#__PURE__*/React.createElement("table",{className:"w-full text-left text-xs border-collapse"},/*#__PURE__*/React.createElement("thead",null,/*#__PURE__*/React.createElement("tr",{className:"border-b border-[#383838] text-slate-400 bg-[#1e1e1e]"},/*#__PURE__*/React.createElement("th",{className:"p-3"},"Tên Người Dùng"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Email"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Vai Trò"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Dung Lượng Sử Dụng"),/*#__PURE__*/React.createElement("th",{className:"p-3"},"Hạn Mức Quota"),/*#__PURE__*/React.createElement("th",{className:"p-3 text-right"},"Thao Tác"))),/*#__PURE__*/React.createElement("tbody",{className:"divide-y divide-[#333]"},users.map(u=>/*#__PURE__*/React.createElement("tr",{key:u.id,className:"hover:bg-[#2e2e2e]"},/*#__PURE__*/React.createElement("td",{className:"p-3 font-semibold text-teal-300"},u.username,u.must_change_password&&/*#__PURE__*/React.createElement("span",{className:"ml-2 text-xs bg-amber-900/60 text-amber-300 px-1.5 py-0.5 rounded"},"Mật khẩu gốc")),/*#__PURE__*/React.createElement("td",{className:"p-3 text-slate-300"},u.email),/*#__PURE__*/React.createElement("td",{className:"p-3 uppercase font-bold text-amber-400"},u.role),/*#__PURE__*/React.createElement("td",{className:"p-3"},u.used_mb," MB"),/*#__PURE__*/React.createElement("td",{className:"p-3"},editingQuotaUser===u.id?/*#__PURE__*/React.createElement("div",{className:"flex items-center space-x-1"},/*#__PURE__*/React.createElement("input",{type:"number",value:newQuotaMb,onChange:e=>setNewQuotaMb(e.target.value),className:"w-16 bg-[#1e1e1e] border border-[#444] rounded px-1 py-0.5 text-xs text-slate-200"}),/*#__PURE__*/React.createElement("span",null,"MB"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSaveQuota(u.id),className:"px-2 py-0.5 bg-teal-600 rounded text-xs"},"Lưu")):/*#__PURE__*/React.createElement("span",{className:"font-semibold"},u.quota_mb," MB")),/*#__PURE__*/React.createElement("td",{className:"p-3 text-right space-x-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setEditingQuotaUser(u.id);setNewQuotaMb(u.quota_mb);},className:"px-2 py-1 bg-slate-700 hover:bg-slate-600 rounded text-xs"},"Sửa Quota"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleToggleRole(u),className:"px-2 py-1 bg-amber-700/60 hover:bg-amber-600 rounded text-xs"},"Đổi Role"),u.role!=='admin'&&/*#__PURE__*/React.createElement("button",{onClick:()=>handleDeleteUser(u.id),className:"px-2 py-1 bg-red-700/60 hover:bg-red-600 rounded text-xs"},"Xóa")))))))));};const AIPresetModal=({isOpen,onClose})=>{if(!isOpen)return null;const mgrRef=React.useRef(null);if(!mgrRef.current)mgrRef.current=new window.PromptTemplateManager();const mgr=mgrRef.current;const[presets,setPresets]=React.useState(()=>[...mgr.getPresets()]);const[search,setSearch]=React.useState('');const[filterCategory,setFilterCategory]=React.useState('ALL');const[showFavoritesOnly,setShowFavoritesOnly]=React.useState(false);const[editingPreset,setEditingPreset]=React.useState(null);const[syncing,setSyncing]=React.useState(false);const[formName,setFormName]=React.useState('');const[formKeywords,setFormKeywords]=React.useState('');const[formCategory,setFormCategory]=React.useState('Orchestral / Film Score');const[formBars,setFormBars]=React.useState(8);const[formBpm,setFormBpm]=React.useState(120);const[formScale,setFormScale]=React.useState('C Minor');const[formTemplate,setFormTemplate]=React.useState('');// Try to sync from backend on mount
+React.useEffect(()=>{if(!window.SonicAPI)return;setSyncing(true);window.SonicAPI.getAIPresets().then(data=>{if(data&&data.presets&&data.presets.length>0){mgr.presets=data.presets;setPresets([...data.presets]);}}).catch(()=>{}).finally(()=>setSyncing(false));},[]);const savePresets=newPresets=>{setPresets(newPresets);mgr.presets=newPresets;mgr.savePresets();// Sync to backend if available
+const userDefined=newPresets.filter(p=>p.is_user_defined);if(window.SonicAPI&&userDefined.length>0){userDefined.forEach(p=>{window.SonicAPI.saveAIPreset(p).catch(()=>{});});}};const handleEdit=p=>{setEditingPreset(p);setFormName(p.name);setFormKeywords(p.keywords.join(', '));setFormCategory(p.category);setFormBars(p.default_bars);setFormBpm(p.default_bpm);setFormScale(p.default_scale);setFormTemplate(p.system_instruction_template);};const handleNew=()=>{setEditingPreset('new');setFormName('');setFormKeywords('');setFormCategory('Orchestral / Film Score');setFormBars(8);setFormBpm(120);setFormScale('C Minor');setFormTemplate('');};const handleToggleFav=id=>{mgr.toggleFavorite(id);setPresets([...mgr.getPresets()]);const p=mgr.presets.find(x=>x.id===id);if(p&&p.is_user_defined&&window.SonicAPI){window.SonicAPI.saveAIPreset(p).catch(()=>{});}};const handleDelete=id=>{const p=presets.find(x=>x.id===id);if(p&&p.is_user_defined&&window.SonicAPI){window.SonicAPI.deleteAIPreset(id).catch(()=>{});}mgr.deletePreset(id);setPresets([...mgr.getPresets()]);showToast('Đã xóa preset.','info');};const handleSaveForm=e=>{e.preventDefault();if(!formName.trim()||!formTemplate.trim()){showToast('Vui lòng điền đầy đủ tên và mẫu gợi ý.','warning');return;}const keywordsArray=formKeywords.split(',').map(k=>k.trim()).filter(Boolean);const presetObj={id:editingPreset==='new'?'preset_'+Date.now():editingPreset.id,name:formName.trim(),keywords:keywordsArray,category:formCategory,default_bars:parseInt(formBars)||8,default_bpm:parseInt(formBpm)||120,default_scale:formScale,system_instruction_template:formTemplate.trim(),is_user_defined:true,is_favorite:editingPreset==='new'?false:editingPreset.is_favorite||false,created_at:editingPreset==='new'?new Date().toISOString():editingPreset.created_at};mgr.saveUserPreset(presetObj);setPresets([...mgr.getPresets()]);setEditingPreset(null);if(window.SonicAPI){window.SonicAPI.saveAIPreset(presetObj).catch(()=>{});}showToast('Đã lưu preset thành công!','success');};const categories=['ALL','★ Yêu thích',...new Set(presets.map(p=>p.category))];const filtered=presets.filter(p=>{const matchesSearch=p.name.toLowerCase().includes(search.toLowerCase())||p.keywords.some(k=>k.toLowerCase().includes(search.toLowerCase()));let matchesCategory;if(filterCategory==='ALL'){matchesCategory=true;}else if(filterCategory==='★ Yêu thích'){matchesCategory=p.is_favorite;}else{matchesCategory=p.category===filterCategory;}if(showFavoritesOnly)matchesCategory=matchesCategory&&p.is_favorite;return matchesSearch&&matchesCategory;});return/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/75 backdrop-blur-sm p-4 animate-fade-in"},/*#__PURE__*/React.createElement("div",{className:"bg-[#18181b] border border-zinc-800 rounded-xl shadow-2xl w-full max-w-4xl max-h-[85vh] flex flex-col overflow-hidden text-zinc-100"},/*#__PURE__*/React.createElement("div",{className:"p-4 border-b border-zinc-800 flex items-center justify-between shrink-0 bg-[#202024]"},/*#__PURE__*/React.createElement("h2",{className:"text-sm font-bold tracking-wider uppercase text-purple-400 flex items-center gap-1.5"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-4 h-4"}),"AI Prompt Preset Manager",syncing&&/*#__PURE__*/React.createElement("span",{className:"text-[10px] text-zinc-500 ml-2"},"đang đồng bộ...")),/*#__PURE__*/React.createElement("button",{onClick:()=>{setEditingPreset(null);onClose();},className:"text-zinc-400 hover:text-zinc-200 transition"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-4 h-4"}))),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto p-4 flex gap-4 min-h-0"},!editingPreset?/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col min-w-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 mb-3 shrink-0"},/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"Tìm kiếm preset hoặc từ khóa...",value:search,onChange:e=>setSearch(e.target.value),className:"flex-1 bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600"}),/*#__PURE__*/React.createElement("select",{value:filterCategory,onChange:e=>setFilterCategory(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600"},categories.map(c=>/*#__PURE__*/React.createElement("option",{key:c,value:c},c==='ALL'?'Tất cả danh mục':c))),/*#__PURE__*/React.createElement("button",{onClick:()=>setShowFavoritesOnly(!showFavoritesOnly),className:`px-2.5 py-1 rounded text-xs font-bold transition shrink-0 ${showFavoritesOnly?'bg-yellow-700 text-yellow-300':'bg-zinc-800 text-zinc-400 hover:bg-zinc-700'}`,title:"Chỉ hiện yêu thích"},/*#__PURE__*/React.createElement("i",{"data-lucide":"star",className:"w-3.5 h-3.5 inline-block mr-1"}),"★"),/*#__PURE__*/React.createElement("button",{onClick:handleNew,className:"px-3 py-1 bg-purple-700 hover:bg-purple-600 text-white rounded text-xs font-bold flex items-center gap-1.5 shadow transition shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-3.5 h-3.5"}),"Tạo mới")),/*#__PURE__*/React.createElement("div",{className:"flex-1 border border-zinc-800 rounded bg-[#0f0f12] overflow-y-auto"},filtered.length===0?/*#__PURE__*/React.createElement("div",{className:"p-8 text-center text-zinc-500 text-xs italic"},"Không tìm thấy preset nào."):/*#__PURE__*/React.createElement("table",{className:"w-full text-left text-xs border-collapse"},/*#__PURE__*/React.createElement("thead",{className:"bg-[#1f1f23] text-zinc-400 font-bold border-b border-zinc-800"},/*#__PURE__*/React.createElement("tr",null,/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-8"},""),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/4"},"Tên Preset"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/4"},"Từ khóa kích hoạt"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/6"},"Số Bar"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/6"},"BPM"),/*#__PURE__*/React.createElement("th",{className:"p-2.5 w-1/6 text-right"},"Hành động"))),/*#__PURE__*/React.createElement("tbody",null,filtered.map(p=>/*#__PURE__*/React.createElement("tr",{key:p.id,className:"border-b border-zinc-800/50 hover:bg-zinc-850"},/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-center"},/*#__PURE__*/React.createElement("button",{onClick:()=>handleToggleFav(p.id),className:`transition ${p.is_favorite?'text-yellow-400':'text-zinc-600 hover:text-zinc-400'}`,title:p.is_favorite?'Bỏ yêu thích':'Đánh dấu yêu thích'},p.is_favorite?"★":"☆")),/*#__PURE__*/React.createElement("td",{className:"p-2.5 font-semibold text-purple-300"},p.name),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-zinc-400 font-mono text-[11px] truncate max-w-[150px]"},p.keywords.join(', ')),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-zinc-400"},p.default_bars," Bars"),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-zinc-400"},p.default_bpm," BPM"),/*#__PURE__*/React.createElement("td",{className:"p-2.5 text-right flex items-center justify-end gap-1.5 h-full"},/*#__PURE__*/React.createElement("button",{type:"button",onClick:()=>handleEdit(p),className:"px-2 py-0.5 bg-zinc-850 hover:bg-zinc-700 text-zinc-300 rounded border border-zinc-700 text-[10px]"},"Sửa"),p.is_user_defined&&/*#__PURE__*/React.createElement("button",{type:"button",onClick:()=>handleDelete(p.id),className:"px-2 py-0.5 bg-red-950/40 hover:bg-red-800 text-red-400 rounded border border-red-900 text-[10px]"},"Xóa"))))))))):/*#__PURE__*/React.createElement("form",{onSubmit:handleSaveForm,className:"flex-1 flex flex-col gap-3 min-w-0"},/*#__PURE__*/React.createElement("div",{className:"text-xs font-bold text-zinc-400 shrink-0 border-b border-zinc-800 pb-1"},editingPreset==='new'?"TẠO PRESET MỚI":`SỬA PRESET: ${editingPreset.name}`),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-3"},/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Tên Preset"),/*#__PURE__*/React.createElement("input",{type:"text",value:formName,onChange:e=>setFormName(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Danh mục"),/*#__PURE__*/React.createElement("input",{type:"text",value:formCategory,onChange:e=>setFormCategory(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"}))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Từ khóa kích hoạt (ngăn cách bằng dấu phẩy)"),/*#__PURE__*/React.createElement("input",{type:"text",value:formKeywords,onChange:e=>setFormKeywords(e.target.value),placeholder:"Ví dụ: epic orchestra, hoành tráng, nhạc phim epic",className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-3"},/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Số Bars mặc định"),/*#__PURE__*/React.createElement("input",{type:"number",value:formBars,onChange:e=>setFormBars(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"BPM mặc định"),/*#__PURE__*/React.createElement("input",{type:"number",value:formBpm,onChange:e=>setFormBpm(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"Âm giai (Scale) mặc định"),/*#__PURE__*/React.createElement("input",{type:"text",value:formScale,onChange:e=>setFormScale(e.target.value),className:"bg-zinc-900 border border-zinc-700 rounded px-2.5 py-1 text-xs outline-none focus:border-purple-600 text-zinc-200"}))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1 flex-1 min-h-0"},/*#__PURE__*/React.createElement("label",{className:"text-[10px] uppercase font-bold text-zinc-500"},"System Prompt Template / Luật soạn nhạc"),/*#__PURE__*/React.createElement("textarea",{value:formTemplate,onChange:e=>setFormTemplate(e.target.value),rows:6,className:"flex-1 bg-zinc-900 border border-zinc-700 rounded p-2.5 text-xs outline-none focus:border-purple-600 text-zinc-200 font-mono resize-none"})),/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-end gap-2 shrink-0 pt-2 border-t border-zinc-800"},/*#__PURE__*/React.createElement("button",{type:"button",onClick:()=>setEditingPreset(null),className:"px-3 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-400 border border-zinc-700 rounded text-xs transition"},"Quay lại"),/*#__PURE__*/React.createElement("button",{type:"submit",className:"px-3 py-1.5 bg-purple-700 hover:bg-purple-600 text-white rounded text-xs font-bold shadow transition"},"Lưu Preset")))),/*#__PURE__*/React.createElement("div",{className:"p-4 border-t border-zinc-800 flex justify-end shrink-0 bg-[#202024]"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setEditingPreset(null);onClose();},className:"px-4 py-1.5 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 border border-zinc-700 rounded text-xs font-bold shadow transition"},"Đóng"))));};const PianoRollTabEditor=({st,zoom,bpm,viewportWidth,activeTracks,onClose,onUpdateNotes,onSaveNotes,setSubTabs,onPlayPause,onStop,isPlaying,playPreviewNote,showToast,midiDevices,recordingState,recTempMidiNotes,onRecord,selectedMidiInputId,onMidiInputSelect,activeMidiPitches,onInstrumentSelect,onRescheduleMidi,onSeekPlayhead})=>{const[activeRollTool,setActiveRollTool]=React.useState('select');const[snapVal,setSnapVal]=React.useState('1/16');const[ccMode,setCcMode]=React.useState('velocity');const[rollZoom,setRollZoom]=React.useState(60);// local horizontal zoom factor
 const[aiBarStart,setAiBarStart]=React.useState(0);const[aiBarEnd,setAiBarEnd]=React.useState(4);const canvasRef=React.useRef(null);const ccCanvasRef=React.useRef(null);const ccWrapperRef=React.useRef(null);const gridScrollRef=React.useRef(null);const keybedRef=React.useRef(null);const keybedMouseDownRef=React.useRef(false);const rulerScrollRef=React.useRef(null);React.useEffect(()=>{const up=()=>{keybedMouseDownRef.current=false;};window.addEventListener('mouseup',up);return()=>window.removeEventListener('mouseup',up);},[]);const NoteHeight=18;const PITCH_START=0;// C0 (render all 128 keys)
 const KeybedPixelHeight=(128-PITCH_START)*NoteHeight;const pixelsPerBeat=rollZoom;const timeSigNum=4;const noteMaxBeat=(st.notes||[]).reduce((max,n)=>Math.max(max,(n.start_beat||0)+(n.duration_beats||1)),0);const[selectionMarquee,setSelectionMarquee]=React.useState(null);// { startBeat, startPitch, currentBeat, currentPitch }
 const[draggedNote,setDraggedNote]=React.useState(null);// { mode: 'move'|'resize', idx, startOffsetBeat, originalStart }
@@ -190,8 +192,8 @@ updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const sfClean=i
 const cachedSf=(instrumentSelectorData?.soundfonts||[]).find(s=>s.id===instrumentId||s.id===sfIdParam);if(cachedSf&&cachedSf.presets){setSfPresets(cachedSf.presets);}else{window.SonicAPI.listSoundfontInstruments(sfIdParam).then(data=>setSfPresets(data.presets||[])).catch(e=>{console.error('listSoundfontInstruments failed:',e);setSfPresets([]);});}}else{setTrackInstrumentWithProgram(trackId,instrumentId,undefined,displayName);}};const[activeTool,setActiveTool]=useState('select');// 'select' | 'grab' | 'razor'
 const[snapValue,setSnapValue]=useState('free');// 'free', '1', '1/2', '1/4', '1/8', '1/16', '1/32'
 const snapTime=(time,snapVal,bpmVal)=>{if(snapVal==='free')return time;const beatDuration=60/parseFloat(bpmVal||120);let divisor=1;if(snapVal==='4')divisor=4;else if(snapVal==='1')divisor=1;else if(snapVal==='1/2')divisor=0.5;else if(snapVal==='1/4')divisor=0.25;else if(snapVal==='1/8')divisor=0.125;else if(snapVal==='1/16')divisor=0.0625;else if(snapVal==='1/32')divisor=0.03125;const gridSpacing=beatDuration*divisor;return Math.round(time/gridSpacing)*gridSpacing;};const snapValueRef=useRef(snapValue);snapValueRef.current=snapValue;const bpmRef=useRef(bpm);bpmRef.current=bpm;// BMP for Tempo Track - LOOP_EDITOR_2.md §6
-const[selectedTrackId,setSelectedTrackId]=useState('1');const[selectedItemIds,setSelectedItemIds]=useState(new Set());const[currentTime,setCurrentTime]=useState(0);const[isPlaying,setIsPlaying]=useState(false);const[selectionStart,setSelectionStart]=useState(null);const[selectionEnd,setSelectionEnd]=useState(null);const[selectionFollowsTempo,setSelectionFollowsTempo]=useState(true);const selectionRef=useRef({start:null,end:null});selectionRef.current={start:selectionStart,end:selectionEnd};const[selectionMode,setSelectionMode]=useState(null);// 'global' (from ruler) | 'local' (from track)
-const[sweepSelect,setSweepSelect]=useState(null);const isSweepingRef=useRef(false);const sweepStartRef=useRef(0);const sweepTrackIdRef=useRef(null);const sweepSelectRef=useRef(null);const pendingDragRef=useRef(null);// { trackId, itemType, itemId, clickOffset, startX, startY }
+const[selectedTrackId,setSelectedTrackId]=useState('1');const[selectedItemIds,setSelectedItemIds]=useState(new Set());const selectedItemIdsRef=useRef(new Set());selectedItemIdsRef.current=selectedItemIds;const[currentTime,setCurrentTime]=useState(0);const[isPlaying,setIsPlaying]=useState(false);const[selectionStart,setSelectionStart]=useState(null);const[selectionEnd,setSelectionEnd]=useState(null);const[selectionFollowsTempo,setSelectionFollowsTempo]=useState(true);const selectionRef=useRef({start:null,end:null});selectionRef.current={start:selectionStart,end:selectionEnd};const[selectionMode,setSelectionMode]=useState(null);// 'global' (from ruler) | 'local' (from track)
+const[sweepSelect,setSweepSelect]=useState(null);const isSweepingRef=useRef(false);const sweepStartRef=useRef(0);const sweepTrackIdRef=useRef(null);const sweepStartYRef=useRef(0);const sweepEndYRef=useRef(0);const sweepSelectRef=useRef(null);const pendingDragRef=useRef(null);// { trackId, itemType, itemId, clickOffset, startX, startY }
 const handleSectionItemDragStartRef=useRef(null);const[localSelectionTrackId,setLocalSelectionTrackId]=useState(null);const[localSelectionStart,setLocalSelectionStart]=useState(null);const[localSelectionEnd,setLocalSelectionEnd]=useState(null);const[zoom,setZoom]=useState(100);const[isLoopingSelection,setIsLoopingSelection]=useState(false);const[beginBar,setBeginBar]=useState(0);const[endBar,setEndBar]=useState(0);const[numberBar,setNumberBar]=useState(1);const[subTabHeight,setSubTabHeight]=useState(96);const[isExporting,setIsExporting]=useState(false);const[projectName,setProjectName]=useState(()=>localStorage.getItem('sonic_project_name')||'');const[currentProjectId,setCurrentProjectId]=useState(()=>localStorage.getItem('sonic_project_id')||null);const[saveProjectModalOpen,setSaveProjectModalOpen]=useState(false);const[saveAsModalOpen,setSaveAsModalOpen]=useState(false);const soloedTrack=tracks.find(t=>t.solo);const soloedTrackId=soloedTrack?soloedTrack.id:null;const[toastMessage,setToastMessage]=useState(null);const[audioDevices,setAudioDevices]=useState([]);const[midiDevices,setMidiDevices]=useState([]);const[selectedMidiInputId,setSelectedMidiInputId]=useState('');const handleMidiInputSelect=id=>{setSelectedMidiInputId(id);if(window.SonicRecorderManager){window.SonicRecorderManager.setSelectedMidiInputId(id);}};useEffect(()=>{if(navigator.mediaDevices&&navigator.mediaDevices.enumerateDevices){navigator.mediaDevices.enumerateDevices().then(devices=>{setAudioDevices(devices.filter(d=>d.kind==='audioinput'));}).catch(err=>console.log('Enumerate audio devices error:',err));}if(navigator.requestMIDIAccess){navigator.requestMIDIAccess().then(access=>{const inputs=[];for(let input of access.inputs.values()){inputs.push(input);input.onmidimessage=msg=>{console.log(`[DevLog] [Raw MIDI] Received from "${input.name}" (ID: ${input.id}) - Data:`,Array.from(msg.data));if(msg.data.length<3)return;const cmd=msg.data[0]>>4;const pitch=msg.data[1];const velocity=msg.data[2];if(cmd===0x9&&velocity>0){lastMidiNoteRef.current={pitch,velocity,startTime:performance.now(),length:0};setLastMidiNote({pitch,velocity,length:0,time:Date.now()});activeMidiPitchesRef.current.add(pitch);setActiveMidiPitches(new Set(activeMidiPitchesRef.current));// Route MIDI input to ALL armed tracks on their dedicated channels
 // Do NOT use raw MIDI hardware channel (msg.data[0] & 0x0F)
 if(window.SonicSF){var allTracks=activeTracksRef.current||[];var arSubs=subTabsRef&&subTabsRef.current?subTabsRef.current.filter(function(s){return s.type==='PIANO_ROLL'&&s.isArmed;}):[];var armedTracks=allTracks.filter(function(t){return t.isArmed;});// Piano Roll arming has priority: route to each armed sub-tab's parent track
@@ -202,7 +204,7 @@ const midiCh=msg.data[0]&0x0F;if(cmd===0xB){// Controller Change: forward to ALL
 const cc=msg.data[1];const val=msg.data[2];if(window.SonicSF&&window.SonicSF.controllerChange){var ccTracks=activeTracksRef.current||[];var hasArmed=ccTracks.some(function(t){return t.isArmed;});if(hasArmed){ccTracks.forEach(function(ct){if(!ct.isArmed)return;var ctCh=window.SonicPianoRoll?window.SonicPianoRoll.getTrackMidiChannel(ct,ccTracks):ct.midiChannel!==undefined?ct.midiChannel:0;window.SonicSF.controllerChange(ctCh,cc,val);});}else{window.SonicSF.controllerChange(midiCh,cc,val);}}}else if(cmd===0xE){// Pitch Bend: forward to ALL armed tracks' dedicated channels
 const lsb=msg.data[1];const msb=msg.data[2];const bendVal=msb<<7|lsb;if(window.SonicSF&&window.SonicSF.pitchBend){var pbTracks=activeTracksRef.current||[];var hasArmedPB=pbTracks.some(function(t){return t.isArmed;});if(hasArmedPB){pbTracks.forEach(function(pt){if(!pt.isArmed)return;var ptCh=window.SonicPianoRoll?window.SonicPianoRoll.getTrackMidiChannel(pt,pbTracks):pt.midiChannel!==undefined?pt.midiChannel:0;window.SonicSF.pitchBend(ptCh,bendVal);});}else{window.SonicSF.pitchBend(midiCh,bendVal);}}}// Forward to active MIDI recorders
 if(activeMIDIRecordersRef.current){for(let trackId in activeMIDIRecordersRef.current){const rec=activeMIDIRecordersRef.current[trackId];if(rec){rec.handleMIDIMessage(msg,input.id);}}}};}setMidiDevices(inputs);access.onstatechange=()=>{const inputs=[];for(let input of access.inputs.values()){inputs.push(input);}setMidiDevices(inputs);};}).catch(err=>console.log('MIDI access error:',err));}},[]);const[showAIConfig,setShowAIConfig]=useState(false);const[recordingState,setRecordingState]=useState('IDLE');// 'IDLE' | 'COUNT_IN' | 'RECORDING'
-const[recTempMidiNotes,setRecTempMidiNotes]=useState([]);const[recTempAudioBuffer,setRecTempAudioBuffer]=useState(null);const[recStartTimelineTime,setRecStartTimelineTime]=useState(0);const[canvasRedrawCount,setCanvasRedrawCount]=useState(0);const[lastMidiNote,setLastMidiNote]=useState(null);const lastMidiNoteRef=useRef(null);const activeMIDIRecordersRef=useRef({});const activeAudioRecordersRef=useRef({});const pianoRollRecorderRef=useRef(null);const activeMidiPitchesRef=useRef(new Set());const[activeMidiPitches,setActiveMidiPitches]=useState(new Set());const recordingPCMDataRef=useRef({});const recordingStartTimeRef=useRef(0);const recordingSyncRef=useRef(null);const recordingStateRef=useRef(recordingState);recordingStateRef.current=recordingState;const lastTempCompileTimeRef=useRef(0);const nextMetronomeBeatRef=useRef(0);const[showExportPanel,setShowExportPanel]=useState(false);const[showAIPanel,setShowAIPanel]=useState(true);const[showSelectionPanel,setShowSelectionPanel]=useState(false);const[showPythonToolsPanel,setShowPythonToolsPanel]=useState(false);const[showMediaExplorer,setShowMediaExplorer]=useState(false);const[scrollBufferExtra,setScrollBufferExtra]=useState(0);const scrollBufferExtraRef=useRef(0);scrollBufferExtraRef.current=scrollBufferExtra;const[showFxRack,setShowFxRack]=useState(false);const[showMidiEvents,setShowMidiEvents]=useState(false);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[promptHistory,setPromptHistory]=useState([]);const[promptHistIdx,setPromptHistIdx]=useState(-1);const promptHistRef=useRef([]);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[selectedProviderId,setSelectedProviderId]=useState('');const[exportSettings,setExportSettings]=useState({sampleRate:'44100',bitDepth:'16',format:'wav',source:'project',quality:'44khz',channels:'stereo'});const[serverStatus,setServerStatus]=useState('checking...');const[menuOpen,setMenuOpen]=useState(null);const[selectedClipId,setSelectedClipId]=useState(null);// { trackId, clipId }
+const[recTempMidiNotes,setRecTempMidiNotes]=useState([]);const[recTempAudioBuffer,setRecTempAudioBuffer]=useState(null);const[recStartTimelineTime,setRecStartTimelineTime]=useState(0);const[canvasRedrawCount,setCanvasRedrawCount]=useState(0);const[lastMidiNote,setLastMidiNote]=useState(null);const lastMidiNoteRef=useRef(null);const activeMIDIRecordersRef=useRef({});const activeAudioRecordersRef=useRef({});const pianoRollRecorderRef=useRef(null);const activeMidiPitchesRef=useRef(new Set());const[activeMidiPitches,setActiveMidiPitches]=useState(new Set());const recordingPCMDataRef=useRef({});const recordingStartTimeRef=useRef(0);const recordingSyncRef=useRef(null);const recordingStateRef=useRef(recordingState);recordingStateRef.current=recordingState;const lastTempCompileTimeRef=useRef(0);const nextMetronomeBeatRef=useRef(0);const[showExportPanel,setShowExportPanel]=useState(false);const[showAIPanel,setShowAIPanel]=useState(true);const[showSelectionPanel,setShowSelectionPanel]=useState(false);const[showPythonToolsPanel,setShowPythonToolsPanel]=useState(false);const[showMediaExplorer,setShowMediaExplorer]=useState(false);const[scrollBufferExtra,setScrollBufferExtra]=useState(0);const scrollBufferExtraRef=useRef(0);scrollBufferExtraRef.current=scrollBufferExtra;const[showFxRack,setShowFxRack]=useState(false);const[showMidiEvents,setShowMidiEvents]=useState(false);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[promptHistory,setPromptHistory]=useState([]);const[promptHistIdx,setPromptHistIdx]=useState(-1);const promptHistRef=useRef([]);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[selectedProviderId,setSelectedProviderId]=useState('');const[exportSettings,setExportSettings]=useState({sampleRate:'44100',bitDepth:'16',format:'wav',source:'project',quality:'44khz',channels:'stereo'});const[serverStatus,setServerStatus]=useState('checking...');const[menuOpen,setMenuOpen]=useState(null);const[selectedClipId,setSelectedClipId]=useState(null);// { trackId, clipId }
 const[stretchedClip,setStretchedClip]=useState(null);// { trackId, clipId, originalDuration, startTime, originalSpeed, beforeSnap }
 const[draggedSectionItem,setDraggedSectionItem]=useState(null);const[resizedSectionItem,setResizedSectionItem]=useState(null);const[editingTrackName,setEditingTrackName]=useState(null);// trackId being edited
 const[editingClipName,setEditingClipName]=useState(null);// { trackId, clipId }
@@ -210,7 +212,7 @@ const[editNameInput,setEditNameInput]=useState('');// ── Context Menu & Clip
 const[contextMenu,setContextMenu]=useState(null);// { x, y, trackId }
 const clipboardRef=useRef(null);// { buffer, name, volume, color } for copy/paste
 // ── Undo/Redo Engine (LOOP_EDITOR.md §4) ──
-const[undoStack,setUndoStack]=useState([]);const[redoStack,setRedoStack]=useState([]);const MAX_UNDO=30;const pushAction=(actionType,trackId,beforeState,afterState)=>{const node={action_type:actionType,track_id:trackId,timestamp:Date.now(),before_state:beforeState,after_state:afterState};setUndoStack(prev=>{const next=[...prev,node];if(next.length>MAX_UNDO)next.shift();return next;});setRedoStack([]);};const handleUndo=()=>{if(undoStack.length===0)return;const last=undoStack[undoStack.length-1];setUndoStack(prev=>prev.slice(0,-1));setRedoStack(prev=>[...prev,last]);applyTrackState(last.track_id,last.before_state);showToast(`Undo: ${last.action_type}`,'info');};const handleRedo=()=>{if(redoStack.length===0)return;const last=redoStack[redoStack.length-1];setRedoStack(prev=>prev.slice(0,-1));setUndoStack(prev=>[...prev,last]);applyTrackState(last.track_id,last.after_state);showToast(`Redo: ${last.action_type}`,'info');};const applyTrackState=(trackId,state)=>{updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,...state};}));};const captureTrackSnapshot=trackId=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return null;return{volumeDb:track.volumeDb,pan:track.pan,muted:track.muted,name:track.name,markers:JSON.parse(JSON.stringify(track.markers||[])),// buffer is captured via reference copy for undo; we store a clone for redo
+const[undoStack,setUndoStack]=useState([]);const[redoStack,setRedoStack]=useState([]);const MAX_UNDO=30;const pushAction=(actionType,trackId,beforeState,afterState)=>{const node={action_type:actionType,track_id:trackId,timestamp:Date.now(),before_state:beforeState,after_state:afterState};setUndoStack(prev=>{const next=[...prev,node];if(next.length>MAX_UNDO)next.shift();return next;});setRedoStack([]);};const handleUndo=()=>{if(undoStack.length===0)return;const last=undoStack[undoStack.length-1];setUndoStack(prev=>prev.slice(0,-1));setRedoStack(prev=>[...prev,last]);applyTrackState(last.track_id,last.before_state);showToast(`Undo: ${last.action_type}`,'info');};const handleRedo=()=>{if(redoStack.length===0)return;const last=redoStack[redoStack.length-1];setRedoStack(prev=>prev.slice(0,-1));setUndoStack(prev=>[...prev,last]);applyTrackState(last.track_id,last.after_state);showToast(`Redo: ${last.action_type}`,'info');};const applyTrackState=(trackId,state)=>{updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,...state};}));};const getSelectedMidiItemInfo=()=>{if(!selectedItemIds||selectedItemIds.size!==1)return null;const selId=selectedItemIds.values().next().value;const tlist=activeTracks||tracks||[];for(const t of tlist){const found=(t.midiItems||[]).find(m=>m.id===selId);if(found)return{itemName:found.name,trackName:t.name,trackId:t.id,itemId:selId};}return null;};const captureTrackSnapshot=trackId=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return null;return{volumeDb:track.volumeDb,pan:track.pan,muted:track.muted,name:track.name,markers:JSON.parse(JSON.stringify(track.markers||[])),// buffer is captured via reference copy for undo; we store a clone for redo
 buffer:track.buffer,startTime:track.startTime||0,clips:track.clips?track.clips.map(c=>({id:c.id,buffer:c.buffer,startTime:c.startTime,name:c.name})):null};};// ── Tab System (LOOP_EDITOR_2.md §1) ──
 const[activeTab,setActiveTab]=useState('main');const[subTabSelectedNodeTime,setSubTabSelectedNodeTime]=useState(null);const[subTabNormVal,setSubTabNormVal]=useState(0);const[subTabGainVal,setSubTabGainVal]=useState(100);const[subTabPitchVal,setSubTabPitchVal]=useState(0);const[subTabs,setSubTabs]=useState([]);// [{id, label, trackId, startTime, endTime, buffer, effects, currentTime, selectionStart, selectionEnd, isPlaying}, ...]
 const[sessionTabs,setSessionTabs]=useState([]);// [{id, name, tracks}, ...]
@@ -227,15 +229,15 @@ const startColResize=e=>{e.preventDefault();const startX=e.clientX;const startWi
 const startTcpResize=e=>{e.preventDefault();const startX=e.clientX;const startWidth=tcpWidth;const onMove=ev=>{const deltaX=ev.clientX-startX;const newWidth=Math.max(280,Math.min(600,startWidth+deltaX));setTcpWidth(newWidth);};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);};// ── Right Sidebar Row Resizer (Media Explorer / AI Panel) ──
 const startRowResize=e=>{e.preventDefault();const startY=e.clientY;const startHeight=mediaExplorerHeight;const sidebarEl=document.getElementById('right-sidebar');const sidebarHeight=sidebarEl?sidebarEl.getBoundingClientRect().height:400;const onMove=ev=>{const deltaY=startY-ev.clientY;const pct=(startHeight/100*sidebarHeight+deltaY)/sidebarHeight*100;const newPct=Math.max(20,Math.min(80,pct));setMediaExplorerHeight(newPct);};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);};const rulerRef=useRef(null);const activeSourcesRef=useRef([]);const activeTrackNodesRef=useRef({});// { [trackId]: { gainNode, pannerNode } }
 const startOffsetTimeRef=useRef(0);const startBufferOffsetRef=useRef(0);const startAudioTimeRef=useRef(0);const animationFrameIdRef=useRef(null);const toastTimeoutRef=useRef(null);const rulerDragStartRef=useRef(null);const rulerAnchorRef=useRef(null);const isDraggingRulerRef=useRef(false);const subTabDragStartRef=useRef(null);const isDraggingSubTabRef=useRef(false);const handlePlayPauseRef=useRef(null);const currentTimeRef=useRef(currentTime);currentTimeRef.current=currentTime;// ── Keyboard Shortcuts ──
-const handleUndoRef=useRef(handleUndo);const handleRedoRef=useRef(handleRedo);handleUndoRef.current=handleUndo;handleRedoRef.current=handleRedo;const selectedClipIdRef=useRef(null);selectedClipIdRef.current=selectedClipId;const activeTabRef=useRef(activeTab);activeTabRef.current=activeTab;const activePlaybackSpeedRef=useRef(1.0);const subTabsRef=useRef(subTabs);subTabsRef.current=subTabs;const subTabSelectedNodeTimeRef=useRef(null);subTabSelectedNodeTimeRef.current=subTabSelectedNodeTime;const handleSubTabNormalize=tabId=>{setSubTabs(prev=>prev.map(st=>{if(st.id!==tabId||!st.buffer)return st;const ctx=getAudioContext();const data=st.buffer.getChannelData(0);const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):0;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):st.buffer.duration;const startSample=Math.floor(left*st.buffer.sampleRate);const endSample=Math.floor(right*st.buffer.sampleRate);let maxVal=0;for(let i=startSample;i<endSample;i++){const abs=Math.abs(data[i]);if(abs>maxVal)maxVal=abs;}if(maxVal===0)return st;const scale=1.0/maxVal;const clonedBuffer=ctx.createBuffer(1,data.length,st.buffer.sampleRate);const clonedData=clonedBuffer.getChannelData(0);clonedData.set(data);for(let i=startSample;i<endSample;i++){clonedData[i]=Math.max(-1,Math.min(1,clonedData[i]*scale));}showToast('Đã Normalize vùng chọn.','success');return{...st,buffer:clonedBuffer};}));};const handleSubTabGain=(tabId,gainDb)=>{setSubTabs(prev=>prev.map(st=>{if(st.id!==tabId||!st.buffer)return st;const ctx=getAudioContext();const data=st.buffer.getChannelData(0);const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):0;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):st.buffer.duration;const startSample=Math.floor(left*st.buffer.sampleRate);const endSample=Math.floor(right*st.buffer.sampleRate);const scale=Math.pow(10,gainDb/20);const clonedBuffer=ctx.createBuffer(1,data.length,st.buffer.sampleRate);const clonedData=clonedBuffer.getChannelData(0);clonedData.set(data);for(let i=startSample;i<endSample;i++){clonedData[i]=Math.max(-1,Math.min(1,clonedData[i]*scale));}showToast(`Đã điều chỉnh Gain: ${gainDb} dB.`,'success');return{...st,buffer:clonedBuffer};}));};const handleSubTabFade=(tabId,type)=>{setSubTabs(prev=>prev.map(st=>{if(st.id!==tabId||!st.buffer)return st;const ctx=getAudioContext();const data=st.buffer.getChannelData(0);const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):0;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):st.buffer.duration;const startSample=Math.floor(left*st.buffer.sampleRate);const endSample=Math.floor(right*st.buffer.sampleRate);const durationSamples=endSample-startSample;if(durationSamples<=0)return st;const clonedBuffer=ctx.createBuffer(1,data.length,st.buffer.sampleRate);const clonedData=clonedBuffer.getChannelData(0);clonedData.set(data);if(type==='in'){for(let i=0;i<durationSamples;i++){const alpha=i/durationSamples;clonedData[startSample+i]*=alpha;}showToast('Đã áp dụng Fade In.','success');}else if(type==='out'){for(let i=0;i<durationSamples;i++){const alpha=(durationSamples-i)/durationSamples;clonedData[startSample+i]*=alpha;}showToast('Đã áp dụng Fade Out.','success');}return{...st,buffer:clonedBuffer};}));};const handleSubTabCut=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Cut.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;const cutBuffer=ctx.createBuffer(1,len,sr);cutBuffer.copyToChannel(data.subarray(startSample,endSample),0);clipboardRef.current={buffer:cutBuffer,name:'Subtab Clip'};const newBuffer=ctx.createBuffer(1,data.length-len,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<startSample;i++)newData[idx++]=data[i];for(let i=endSample;i<data.length;i++)newData[idx++]=data[i];setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,buffer:newBuffer,currentTime:left,selectionStart:null,selectionEnd:null}:s));showToast('Đã Cut vùng chọn.','success');};const handleSubTabCopy=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Copy.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;const copyBuffer=ctx.createBuffer(1,len,sr);copyBuffer.copyToChannel(data.subarray(startSample,endSample),0);clipboardRef.current={buffer:copyBuffer,name:'Subtab Clip',sampleRate:sr,channels:1,speed:1.0};showToast('Đã Copy vùng chọn.','success');};const handleSubTabPaste=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;if(!clipboardRef.current||!clipboardRef.current.buffer){showToast('Clipboard trống.','warning');return;}const ctx=getAudioContext();const clipBuf=clipboardRef.current.buffer;const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const insertTime=st.currentTime||0;const insertSample=Math.floor(insertTime*sr);const newBuffer=ctx.createBuffer(1,data.length+clipBuf.length,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<insertSample;i++)newData[idx++]=data[i];const clipData=clipBuf.getChannelData(0);for(let i=0;i<clipBuf.length;i++)newData[idx++]=clipData[i];for(let i=insertSample;i<data.length;i++)newData[idx++]=data[i];setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,buffer:newBuffer,currentTime:insertTime+clipBuf.duration,selectionStart:null,selectionEnd:null}:s));showToast('Đã dán dữ liệu âm thanh.','success');};const handleSubTabDelete=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Delete.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;const newBuffer=ctx.createBuffer(1,data.length-len,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<startSample;i++)newData[idx++]=data[i];for(let i=endSample;i<data.length;i++)newData[idx++]=data[i];setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,buffer:newBuffer,currentTime:left,selectionStart:null,selectionEnd:null}:s));showToast('Đã xóa vùng chọn.','success');};const handleSubTabLoop=(tabId,loopCount)=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Loop.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;// Loop payload N times
+const handleUndoRef=useRef(handleUndo);const handleRedoRef=useRef(handleRedo);handleUndoRef.current=handleUndo;handleRedoRef.current=handleRedo;const handleDeleteSelectedItemsRef=useRef(()=>{});handleDeleteSelectedItemsRef.current=idsToDelete=>{const count=idsToDelete.size;setSelectedItemIds(new Set());updateActiveTracks(prev=>prev.map(t=>{let changed=false;const sections=(t.sections||[]).filter(s=>{if(idsToDelete.has(s.id)){changed=true;return false;}return true;});const midiItems=(t.midiItems||[]).filter(m=>{if(idsToDelete.has(m.id)){changed=true;return false;}return true;});let clips=t.clips||[];const hasVirtualClip=!t.clips||t.clips.length===0;if(hasVirtualClip&&t.buffer){const canonical='default_'+t.id;if(idsToDelete.has(canonical)){changed=true;return{...t,sections,midiItems,clips:[],buffer:null,startTime:0};}}const updatedClips=clips.filter(c=>{const canonical=c.id==='default'?'default_'+t.id:c.id;if(idsToDelete.has(canonical)){changed=true;return false;}return true;});if(!changed&&sections.length===(t.sections||[]).length&&midiItems.length===(t.midiItems||[]).length){return t;}return{...t,sections,midiItems,clips:updatedClips,buffer:updatedClips.length>0?updatedClips[0].buffer:null,startTime:updatedClips.length>0?updatedClips[0].startTime:0,name:updatedClips.length>0?updatedClips[0].name:t.name};}));showToast(count===1?'Đã xóa 1 item.':`Đã xóa ${count} items.`,'info');};const selectedClipIdRef=useRef(null);selectedClipIdRef.current=selectedClipId;const selectedTrackIdRef=useRef(selectedTrackId);selectedTrackIdRef.current=selectedTrackId;const handleDeleteTrackRef=useRef(()=>{});const handleSplitTrackRef=useRef(()=>{});const handleRecordClickRef=useRef(()=>{});const activeTabRef=useRef(activeTab);activeTabRef.current=activeTab;const activePlaybackSpeedRef=useRef(1.0);const subTabsRef=useRef(subTabs);subTabsRef.current=subTabs;const subTabSelectedNodeTimeRef=useRef(null);subTabSelectedNodeTimeRef.current=subTabSelectedNodeTime;const handleSubTabNormalize=tabId=>{setSubTabs(prev=>prev.map(st=>{if(st.id!==tabId||!st.buffer)return st;const ctx=getAudioContext();const data=st.buffer.getChannelData(0);const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):0;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):st.buffer.duration;const startSample=Math.floor(left*st.buffer.sampleRate);const endSample=Math.floor(right*st.buffer.sampleRate);let maxVal=0;for(let i=startSample;i<endSample;i++){const abs=Math.abs(data[i]);if(abs>maxVal)maxVal=abs;}if(maxVal===0)return st;const scale=1.0/maxVal;const clonedBuffer=ctx.createBuffer(1,data.length,st.buffer.sampleRate);const clonedData=clonedBuffer.getChannelData(0);clonedData.set(data);for(let i=startSample;i<endSample;i++){clonedData[i]=Math.max(-1,Math.min(1,clonedData[i]*scale));}showToast('Đã Normalize vùng chọn.','success');return{...st,buffer:clonedBuffer};}));};const handleSubTabGain=(tabId,gainDb)=>{setSubTabs(prev=>prev.map(st=>{if(st.id!==tabId||!st.buffer)return st;const ctx=getAudioContext();const data=st.buffer.getChannelData(0);const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):0;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):st.buffer.duration;const startSample=Math.floor(left*st.buffer.sampleRate);const endSample=Math.floor(right*st.buffer.sampleRate);const scale=Math.pow(10,gainDb/20);const clonedBuffer=ctx.createBuffer(1,data.length,st.buffer.sampleRate);const clonedData=clonedBuffer.getChannelData(0);clonedData.set(data);for(let i=startSample;i<endSample;i++){clonedData[i]=Math.max(-1,Math.min(1,clonedData[i]*scale));}showToast(`Đã điều chỉnh Gain: ${gainDb} dB.`,'success');return{...st,buffer:clonedBuffer};}));};const handleSubTabFade=(tabId,type)=>{setSubTabs(prev=>prev.map(st=>{if(st.id!==tabId||!st.buffer)return st;const ctx=getAudioContext();const data=st.buffer.getChannelData(0);const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):0;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):st.buffer.duration;const startSample=Math.floor(left*st.buffer.sampleRate);const endSample=Math.floor(right*st.buffer.sampleRate);const durationSamples=endSample-startSample;if(durationSamples<=0)return st;const clonedBuffer=ctx.createBuffer(1,data.length,st.buffer.sampleRate);const clonedData=clonedBuffer.getChannelData(0);clonedData.set(data);if(type==='in'){for(let i=0;i<durationSamples;i++){const alpha=i/durationSamples;clonedData[startSample+i]*=alpha;}showToast('Đã áp dụng Fade In.','success');}else if(type==='out'){for(let i=0;i<durationSamples;i++){const alpha=(durationSamples-i)/durationSamples;clonedData[startSample+i]*=alpha;}showToast('Đã áp dụng Fade Out.','success');}return{...st,buffer:clonedBuffer};}));};const handleSubTabCut=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Cut.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;const cutBuffer=ctx.createBuffer(1,len,sr);cutBuffer.copyToChannel(data.subarray(startSample,endSample),0);clipboardRef.current={buffer:cutBuffer,name:'Subtab Clip'};const newBuffer=ctx.createBuffer(1,data.length-len,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<startSample;i++)newData[idx++]=data[i];for(let i=endSample;i<data.length;i++)newData[idx++]=data[i];setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,buffer:newBuffer,currentTime:left,selectionStart:null,selectionEnd:null}:s));showToast('Đã Cut vùng chọn.','success');};const handleSubTabCopy=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Copy.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;const copyBuffer=ctx.createBuffer(1,len,sr);copyBuffer.copyToChannel(data.subarray(startSample,endSample),0);clipboardRef.current={buffer:copyBuffer,name:'Subtab Clip',sampleRate:sr,channels:1,speed:1.0};showToast('Đã Copy vùng chọn.','success');};const handleSubTabPaste=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;if(!clipboardRef.current||!clipboardRef.current.buffer){showToast('Clipboard trống.','warning');return;}const ctx=getAudioContext();const clipBuf=clipboardRef.current.buffer;const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const insertTime=st.currentTime||0;const insertSample=Math.floor(insertTime*sr);const newBuffer=ctx.createBuffer(1,data.length+clipBuf.length,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<insertSample;i++)newData[idx++]=data[i];const clipData=clipBuf.getChannelData(0);for(let i=0;i<clipBuf.length;i++)newData[idx++]=clipData[i];for(let i=insertSample;i<data.length;i++)newData[idx++]=data[i];setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,buffer:newBuffer,currentTime:insertTime+clipBuf.duration,selectionStart:null,selectionEnd:null}:s));showToast('Đã dán dữ liệu âm thanh.','success');};const handleSubTabDelete=tabId=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Delete.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;const newBuffer=ctx.createBuffer(1,data.length-len,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<startSample;i++)newData[idx++]=data[i];for(let i=endSample;i<data.length;i++)newData[idx++]=data[i];setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,buffer:newBuffer,currentTime:left,selectionStart:null,selectionEnd:null}:s));showToast('Đã xóa vùng chọn.','success');};const handleSubTabLoop=(tabId,loopCount)=>{const st=subTabsRef.current.find(s=>s.id===tabId);if(!st||!st.buffer)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;const right=st.selectionStart!==null&&st.selectionEnd!==null?Math.max(st.selectionStart,st.selectionEnd):null;if(left===null||right===null||left===right){showToast('Vui lòng chọn vùng để Loop.','warning');return;}const ctx=getAudioContext();const sr=st.buffer.sampleRate;const data=st.buffer.getChannelData(0);const startSample=Math.floor(left*sr);const endSample=Math.floor(right*sr);const len=endSample-startSample;// Loop payload N times
 const segmentData=data.subarray(startSample,endSample);const addedSamples=len*(loopCount-1);const newBuffer=ctx.createBuffer(1,data.length+addedSamples,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<endSample;i++)newData[idx++]=data[i];for(let n=0;n<loopCount-1;n++){for(let i=0;i<len;i++)newData[idx++]=segmentData[i];}for(let i=endSample;i<data.length;i++)newData[idx++]=data[i];setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,buffer:newBuffer,selectionStart:null,selectionEnd:null}:s));showToast(`Đã lặp vùng chọn ${loopCount} lần.`,'success');};useEffect(()=>{const handler=e=>{// Bypass global hotkeys when typing inside input/textarea/contentEditable elements
 if(e.target&&(e.target.tagName==='INPUT'||e.target.tagName==='TEXTAREA'||e.target.isContentEditable)){return;}const ctrl=e.ctrlKey||e.metaKey;const alt=e.altKey;// Global space play/pause shortcut for transport
-if(e.key===' '||e.code==='Space'){e.preventDefault();if(recordingState==='RECORDING'||recordingState==='COUNT_IN'){handleRecordClick();return;}if(handlePlayPauseRef.current)handlePlayPauseRef.current();return;}if(activeTabRef.current!=='main'&&!activeTabRef.current.startsWith('session_')){// Sub-Tab keyboard shortcuts mapping
-const curTabId=activeTabRef.current;if(ctrl&&alt&&e.key==='n'){e.preventDefault();handleSubTabNormalize(curTabId);return;}if(e.key==='f'||e.key==='F'){e.preventDefault();handleSubTabFade(curTabId,'in');return;}if(e.key==='g'||e.key==='G'){e.preventDefault();handleSubTabFade(curTabId,'out');return;}if(ctrl&&e.key==='l'){e.preventDefault();handleSubTabLoop(curTabId,4);return;}if(e.key==='v'||e.key==='V'){e.preventDefault();const val=prompt("Nhập Gain điều chỉnh (dB):","0");if(val)handleSubTabGain(curTabId,parseFloat(val)||0);return;}if(ctrl&&e.key==='x'){e.preventDefault();handleSubTabCut(curTabId);return;}if(ctrl&&e.key==='c'){e.preventDefault();handleSubTabCopy(curTabId);return;}if(ctrl&&e.key==='v'){e.preventDefault();handleSubTabPaste(curTabId);return;}if(e.key==='Delete'||e.key==='Backspace'||e.key==='Del'){e.preventDefault();if(subTabSelectedNodeTimeRef.current!==null){const selTime=subTabSelectedNodeTimeRef.current;setSubTabs(prev=>prev.map(s=>{if(s.id!==curTabId)return s;const curNodes=s.graphMode==='pan'?s.panningNodes||[]:s.volumeNodes||[];const updated=curNodes.filter(n=>n.time!==selTime);return{...s,[s.graphMode==='pan'?'panningNodes':'volumeNodes']:updated};}));setSubTabSelectedNodeTime(null);}else{handleSubTabDelete(curTabId);}return;}return;}if(ctrl&&e.key==='z'&&!e.shiftKey){e.preventDefault();handleUndoRef.current();return;}if(ctrl&&(e.key==='y'||e.key==='z'&&e.shiftKey)){e.preventDefault();handleRedoRef.current();return;}if(ctrl&&!alt&&e.key==='o'){e.preventDefault();handleImportSFS();return;}if(ctrl&&!alt&&e.key==='n'){e.preventDefault();setTracks([{id:'1',name:'Track 01',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#0f766e',markers:[],serverFileId:null},{id:'2',name:'Track 02',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#1d4ed8',markers:[],serverFileId:null}]);setSelectedTrackId('1');showToast('New project created','info');return;}if(ctrl&&!alt&&!e.shiftKey&&e.key==='a'){e.preventDefault();const curTab=activeTabRef.current;if(curTab!=='main'&&!curTab.startsWith('session_'))return;const allIds=new Set();(activeTracksRef.current||[]).forEach(t=>{(t.sections||[]).forEach(s=>allIds.add(s.id));(t.midiItems||[]).forEach(m=>allIds.add(m.id));(t.clips||[]).forEach(c=>allIds.add(c.id==='default'?'default_'+t.id:c.id));});setSelectedItemIds(allIds);return;}if(ctrl&&!alt&&e.key==='s'){e.preventDefault();var curTab=activeTabRef.current;if(curTab.startsWith('session_')){handleSaveSectionTabRef.current(curTab);showToast('Đã lưu Section','success');}else{handleExportSFS();}return;}if(ctrl&&alt&&e.key==='s'||ctrl&&e.shiftKey&&e.key==='s'){e.preventDefault();handleExportSFS();return;}if(ctrl&&!alt&&e.key==='i'){e.preventDefault();addNewTrack();return;}if(ctrl&&alt&&e.key==='i'){e.preventDefault();showToast('Import audio','info');return;}if(ctrl&&!alt&&e.key==='e'){e.preventDefault();openTempTab();return;}if(ctrl&&!alt&&e.key==='m'){e.preventDefault();handleMergeTracks();return;}if(ctrl&&!alt&&e.key==='c'){e.preventDefault();handleCopyTrack();return;}if(ctrl&&!alt&&e.key==='x'){e.preventDefault();handleCutTrack();return;}if(ctrl&&!alt&&e.key==='v'){e.preventDefault();handlePasteTrack();return;}if(e.key==='Delete'||e.key==='Backspace'||e.key==='Del'){const selClip=selectedClipIdRef.current;if(selClip){e.preventDefault();const{trackId,clipId}=selClip;setTracks(prev=>{const track=prev.find(t=>t.id===trackId);if(!track)return prev;const beforeSnap=captureTrackSnapshotRef.current?captureTrackSnapshotRef.current(trackId):null;const updatedClips=(track.clips||[]).filter(c=>c.id!==clipId);const updatedTracks=prev.map(t=>{if(t.id===trackId){return{...t,clips:updatedClips,buffer:updatedClips.length>0?updatedClips[0].buffer:null,startTime:updatedClips.length>0?updatedClips[0].startTime:0,name:updatedClips.length>0?updatedClips[0].name:`Track ${t.id}`};}return t;});setTimeout(()=>{const afterSnap=captureTrackSnapshotRef.current?captureTrackSnapshotRef.current(trackId):null;pushAction('DELETE_CLIP',trackId,beforeSnap,afterSnap);},50);return updatedTracks;});setSelectedClipId(null);showToast('Đã xóa clip.','info');return;}else{e.preventDefault();handleDeleteTrack();return;}}if(ctrl&&!alt&&e.key==='s'){e.preventDefault();const curTab=activeTabRef.current;if(curTab==='main'){// Main session: save project + save all dirty sub-tabs
+if(e.key===' '||e.code==='Space'){e.preventDefault();if(recordingStateRef.current==='RECORDING'||recordingStateRef.current==='COUNT_IN'){handleRecordClickRef.current();return;}if(handlePlayPauseRef.current)handlePlayPauseRef.current();return;}if(activeTabRef.current!=='main'&&!activeTabRef.current.startsWith('session_')){// Sub-Tab keyboard shortcuts mapping
+const curTabId=activeTabRef.current;if(ctrl&&alt&&e.key==='n'){e.preventDefault();handleSubTabNormalize(curTabId);return;}if(e.key==='f'||e.key==='F'){e.preventDefault();handleSubTabFade(curTabId,'in');return;}if(e.key==='g'||e.key==='G'){e.preventDefault();handleSubTabFade(curTabId,'out');return;}if(ctrl&&e.key==='l'){e.preventDefault();handleSubTabLoop(curTabId,4);return;}if(e.key==='v'||e.key==='V'){e.preventDefault();const val=prompt("Nhập Gain điều chỉnh (dB):","0");if(val)handleSubTabGain(curTabId,parseFloat(val)||0);return;}if(ctrl&&e.key==='x'){e.preventDefault();handleSubTabCut(curTabId);return;}if(ctrl&&e.key==='c'){e.preventDefault();handleSubTabCopy(curTabId);return;}if(ctrl&&e.key==='v'){e.preventDefault();handleSubTabPaste(curTabId);return;}if(e.key==='Delete'||e.key==='Backspace'||e.key==='Del'){e.preventDefault();if(subTabSelectedNodeTimeRef.current!==null){const selTime=subTabSelectedNodeTimeRef.current;setSubTabs(prev=>prev.map(s=>{if(s.id!==curTabId)return s;const curNodes=s.graphMode==='pan'?s.panningNodes||[]:s.volumeNodes||[];const updated=curNodes.filter(n=>n.time!==selTime);return{...s,[s.graphMode==='pan'?'panningNodes':'volumeNodes']:updated};}));setSubTabSelectedNodeTime(null);}else{handleSubTabDelete(curTabId);}return;}return;}if(ctrl&&e.key==='z'&&!e.shiftKey){e.preventDefault();handleUndoRef.current();return;}if(ctrl&&(e.key==='y'||e.key==='z'&&e.shiftKey)){e.preventDefault();handleRedoRef.current();return;}if(ctrl&&!alt&&e.key==='o'){e.preventDefault();handleImportSFS();return;}if(ctrl&&!alt&&e.key==='n'){e.preventDefault();setTracks([{id:'1',name:'Track 01',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#0f766e',markers:[],serverFileId:null},{id:'2',name:'Track 02',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#1d4ed8',markers:[],serverFileId:null}]);setSelectedTrackId('1');showToast('New project created','info');return;}if(ctrl&&!alt&&!e.shiftKey&&e.key==='a'){e.preventDefault();const curTab=activeTabRef.current;if(curTab!=='main'&&!curTab.startsWith('session_'))return;const allIds=new Set();(activeTracksRef.current||[]).forEach(t=>{(t.sections||[]).forEach(s=>allIds.add(s.id));(t.midiItems||[]).forEach(m=>allIds.add(m.id));const clips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default',buffer:t.buffer,startTime:t.startTime||0,name:t.name,speed:t.speed||1.0}]:[];clips.forEach(c=>allIds.add(c.id==='default'?'default_'+t.id:c.id));});setSelectedItemIds(allIds);return;}if(ctrl&&!alt&&e.key==='s'){e.preventDefault();var curTab=activeTabRef.current;if(curTab.startsWith('session_')){handleSaveSectionTabRef.current(curTab);showToast('Đã lưu Section','success');}else{handleExportSFS();}return;}if(ctrl&&alt&&e.key==='s'||ctrl&&e.shiftKey&&e.key==='s'){e.preventDefault();handleExportSFS();return;}if(ctrl&&!alt&&e.key==='i'){e.preventDefault();addNewTrack();return;}if(ctrl&&alt&&e.key==='i'){e.preventDefault();showToast('Import audio','info');return;}if(ctrl&&!alt&&e.key==='e'){e.preventDefault();openTempTab();return;}if(ctrl&&!alt&&e.key==='m'){e.preventDefault();handleMergeTracks();return;}if(ctrl&&!alt&&e.key==='c'){e.preventDefault();handleCopyTrack();return;}if(ctrl&&!alt&&e.key==='x'){e.preventDefault();handleCutTrack();return;}if(ctrl&&!alt&&e.key==='v'){e.preventDefault();handlePasteTrack();return;}if(e.key==='Delete'||e.key==='Backspace'||e.key==='Del'){const selItems=selectedItemIdsRef.current;if(selItems.size>0){e.preventDefault();const idsToDelete=new Set(selItems);handleDeleteSelectedItemsRef.current(idsToDelete);return;}const selClip=selectedClipIdRef.current;if(selClip){e.preventDefault();const{trackId,clipId}=selClip;setTracks(prev=>{const track=prev.find(t=>t.id===trackId);if(!track)return prev;const beforeSnap=captureTrackSnapshotRef.current?captureTrackSnapshotRef.current(trackId):null;const updatedClips=(track.clips||[]).filter(c=>c.id!==clipId);const updatedTracks=prev.map(t=>{if(t.id===trackId){return{...t,clips:updatedClips,buffer:updatedClips.length>0?updatedClips[0].buffer:null,startTime:updatedClips.length>0?updatedClips[0].startTime:0,name:updatedClips.length>0?updatedClips[0].name:`Track ${t.id}`};}return t;});setTimeout(()=>{const afterSnap=captureTrackSnapshotRef.current?captureTrackSnapshotRef.current(trackId):null;pushAction('DELETE_CLIP',trackId,beforeSnap,afterSnap);},50);return updatedTracks;});setSelectedClipId(null);showToast('Đã xóa clip.','info');return;}else{e.preventDefault();handleDeleteTrackRef.current();return;}}if(ctrl&&!alt&&e.key==='s'){e.preventDefault();const curTab=activeTabRef.current;if(curTab==='main'){// Main session: save project + save all dirty sub-tabs
 handleSaveProject();subTabsRef.current.filter(s=>s.isDirty).forEach(st=>{if(st.type==='PIANO_ROLL'){handleSaveMidiNotes(st.id,st.trackId,st.target_id,st.notes||[]);}else if(st.type==='SECTION'){handleSaveSectionTab(st.id);}else if(st.buffer){// Audio clip sub-tab: save buffer to track
 const subTrack=activeTracksRef.current.find(t=>t.id===st.trackId);if(subTrack){updateActiveTracks(prev=>prev.map(t=>t.id===st.trackId?{...t,buffer:st.buffer}:t));}}showToast('Đã lưu','success');});}else if(curTab.startsWith('session_')){// Section tab: save section
 handleSaveSectionTabRef.current(curTab);showToast('Đã lưu Section','success');}else{// Sub-tab: save current tab
-const st=subTabsRef.current.find(s=>s.id===curTab);if(st){if(st.type==='PIANO_ROLL'){handleSaveMidiNotes(st.id,st.trackId,st.target_id,st.notes||[]);showToast('Đã lưu Piano Roll','success');}else if(st.type==='SECTION'){handleSaveSectionTab(st.id);showToast('Đã lưu Section Tab','success');}else if(st.buffer){const subTrack=activeTracksRef.current.find(t=>t.id===st.trackId);if(subTrack){updateActiveTracks(prev=>prev.map(t=>t.id===st.trackId?{...t,buffer:st.buffer}:t));}showToast('Đã lưu Audio Tab','success');}}}return;}if(!ctrl&&!alt&&e.key==='s'){e.preventDefault();handleSplitTrack(selectedTrackId);return;}};window.addEventListener('keydown',handler,{capture:true});return()=>window.removeEventListener('keydown',handler,{capture:true});},[]);// ── Temp Tab: draw isolated waveform ──
+const st=subTabsRef.current.find(s=>s.id===curTab);if(st){if(st.type==='PIANO_ROLL'){handleSaveMidiNotes(st.id,st.trackId,st.target_id,st.notes||[]);showToast('Đã lưu Piano Roll','success');}else if(st.type==='SECTION'){handleSaveSectionTab(st.id);showToast('Đã lưu Section Tab','success');}else if(st.buffer){const subTrack=activeTracksRef.current.find(t=>t.id===st.trackId);if(subTrack){updateActiveTracks(prev=>prev.map(t=>t.id===st.trackId?{...t,buffer:st.buffer}:t));}showToast('Đã lưu Audio Tab','success');}}}return;}if(!ctrl&&!alt&&e.key==='s'){e.preventDefault();handleSplitTrackRef.current(selectedTrackIdRef.current);return;}};window.addEventListener('keydown',handler,{capture:true});return()=>window.removeEventListener('keydown',handler,{capture:true});},[]);// ── Temp Tab: draw isolated waveform ──
 useEffect(()=>{if(!tempTabActive||!tempTabBuffer||!tempTabCanvasRef.current)return;const canvas=tempTabCanvasRef.current;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;const rect=canvas.getBoundingClientRect();canvas.width=rect.width*dpr;canvas.height=rect.height*dpr;ctx.scale(dpr,dpr);const w=rect.width;const h=rect.height;ctx.fillStyle='#181818';ctx.fillRect(0,0,w,h);const data=tempTabBuffer.getChannelData(0);const sr=tempTabBuffer.sampleRate;const totalSamples=data.length;if(totalSamples===0)return;ctx.strokeStyle='#6ee7b7';ctx.lineWidth=1;for(let px=0;px<w;px++){const startSample=Math.floor(px/w*totalSamples);const endSample=Math.floor((px+1)/w*totalSamples);let maxVal=0;for(let i=startSample;i<endSample&&i<totalSamples;i++){const abs=Math.abs(data[i]);if(abs>maxVal)maxVal=abs;}const mid=h/2;const peakHeight=maxVal*(h*0.4);ctx.beginPath();ctx.moveTo(px,mid-peakHeight);ctx.lineTo(px,mid+peakHeight);ctx.stroke();}},[tempTabActive,tempTabBuffer]);// ── Sub Tab: open as new tab instead of modal (LOOP_EDITOR_2.md §1) ──
 const openTempTab=()=>{const useLocal=selectionMode==='local'&&localSelectionTrackId;const trackId=useLocal?localSelectionTrackId:selectedTrackId;const t=tracks.find(x=>x.id===trackId);if(!t||!t.buffer){showToast('Vui lòng chọn track có dữ liệu âm thanh.','warning');return;}if(selLeft===null||selRight===null||selRight<=selLeft){showToast('Vui lòng chọn một khoảng thời gian trên sóng âm.','warning');return;}// Check if a subtab for this track+range already exists
 const existing=subTabs.find(s=>s.trackId===trackId&&s.startTime===selLeft&&s.endTime===selRight);if(existing){setActiveTab(existing.id);showToast(`Sub Tab already open.`,'info');return;}const sr=t.buffer.sampleRate;const trackStart=t.startTime||0;const relSelLeft=Math.max(0,selLeft-trackStart);const relSelRight=Math.max(0,selRight-trackStart);const startSample=Math.max(0,Math.floor(relSelLeft*sr));const endSample=Math.min(t.buffer.length,Math.floor(relSelRight*sr));const len=endSample-startSample;if(len<100){showToast('Khoảng chọn quá ngắn.','warning');return;}const ctx=getAudioContext();const numChannels=t.buffer.numberOfChannels||1;const subBuffer=ctx.createBuffer(numChannels,len,sr);for(let c=0;c<numChannels;c++){subBuffer.copyToChannel(t.buffer.getChannelData(c).subarray(startSample,endSample),c);}const subChannelInfo=window.SonicAudio.analyzeAudioBufferChannels(subBuffer);const tabId='subtab_'+Date.now();const tabLabel=`Edit_${t.name.replace('.wav','').slice(0,10)}_${selLeft.toFixed(1)}s`;setSubTabs(prev=>[...prev,{id:tabId,label:tabLabel,trackId:trackId,startTime:selLeft,endTime:selRight,buffer:subBuffer,channelInfo:subChannelInfo,effects:{reverse:false,gainDb:0,fadeInMs:0,fadeOutMs:0,normalizeDb:0,pitch:0,speedStretch:100},currentTime:0,selectionStart:null,selectionEnd:null,isPlaying:false,speed:1.0,volumeNodes:[],panningNodes:[],fadeInLen:0,fadeOutLen:0,graphMode:null,isLooping:false,loopCount:0}]);setActiveTab(tabId);};const handleEditClipInSubTab=(trackId,clipId)=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const clip=clips.find(c=>c.id===clipId||clipId==='default'&&c.id==='default_'+trackId);if(!clip||!clip.buffer)return;const resolvedClipId=clip.id==='default'?'default_'+trackId:clip.id;const existing=subTabs.find(s=>s.clipId===resolvedClipId&&s.trackId===trackId);if(existing){setActiveTab(existing.id);showToast(`Sub Tab for "${clip.name}" already open.`,'info');return;}const sr=clip.buffer.sampleRate;const len=clip.buffer.length;const numChannels=clip.buffer.numberOfChannels||1;const ctx=getAudioContext();const subBuffer=ctx.createBuffer(numChannels,len,sr);for(let c=0;c<numChannels;c++){subBuffer.copyToChannel(clip.buffer.getChannelData(c),c);}const subChannelInfo=window.SonicAudio.analyzeAudioBufferChannels(subBuffer);const tabId='subtab_'+Date.now();const tabLabel=`Edit_${clip.name.replace('.wav','').slice(0,10)}`;setSubTabs(prev=>[...prev,{id:tabId,label:tabLabel,trackId:trackId,clipId:resolvedClipId,startTime:clip.startTime,endTime:clip.startTime+clip.buffer.duration,buffer:subBuffer,channelInfo:subChannelInfo,effects:{reverse:false,gainDb:0,fadeInMs:0,fadeOutMs:0,normalizeDb:0,pitch:0,speedStretch:100},currentTime:0,selectionStart:null,selectionEnd:null,isPlaying:false,speed:1.0,volumeNodes:[],panningNodes:[],fadeInLen:0,fadeOutLen:0,graphMode:null,isLooping:false,loopCount:0}]);setActiveTab(tabId);};const handleEditMidiInTab=(trackId,midiItemId)=>{const track=activeTracks.find(t=>t.id===trackId);if(!track)return;const midiItem=(track.midiItems||[]).find(m=>m.id===midiItemId);if(!midiItem)return;const existing=subTabs.find(s=>s.type==='PIANO_ROLL'&&s.target_id===midiItemId);if(existing){setActiveTab(existing.id);showToast('Piano Roll cho nốt MIDI đã được mở.','info');return;}const tabId='midi_'+Date.now();const tabLabel=`Piano Roll: ${midiItem.name||'MIDI'}`;const ctx=getAudioContext();const silentBuffer=ctx.createBuffer(1,128,ctx.sampleRate);const newTab={id:tabId,label:tabLabel,type:'PIANO_ROLL',trackId:trackId,target_id:midiItemId,parent_tab_id:activeTab==='main'?null:activeTab,notes:midiItem.notes||[],duration:midiItem.duration||4,buffer:silentBuffer,instrumentProgram:track.instrumentProgram,instrumentName:track.instrumentName,currentTime:0,isPlaying:false,isLooping:true,selectionStart:null,selectionEnd:null,viewport_start_bar:0.0,viewport_bar_width:8.0,scroll_y_pitch:60,snap_resolution:snapValue||"1/16",note_selection:[]};setSubTabs(prev=>[...prev,newTab]);setActiveTab(tabId);};const handleUpdateMidiNotes=(tabId,notes)=>{setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,notes:notes,isDirty:true}:s));};const handleSaveMidiNotes=(tabId,trackId,midiItemId,updatedNotes)=>{const pianoRollTab=subTabs.find(s=>s.id===tabId);const parentTabId=pianoRollTab?pianoRollTab.parent_tab_id:null;if(parentTabId&&parentTabId.startsWith('session_')){setSessionTabs(prev=>prev.map(s=>{if(s.id!==parentTabId)return s;return{...s,tracks:s.tracks.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:(t.midiItems||[]).map(m=>{if(m.id!==midiItemId)return m;return{...m,notes:updatedNotes};})};})};}));}else{setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:(t.midiItems||[]).map(m=>{if(m.id!==midiItemId)return m;return{...m,notes:updatedNotes};})};}));}setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,isDirty:false}:s));showToast('Đã lưu các chỉnh sửa nốt MIDI vào item cha!','success');};const handleSaveSectionTab=tabId=>{const tab=sessionTabs.find(s=>s.id===tabId);if(!tab)return;const bpmVal=parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;const secondsPerBar=secondsPerBeat*4;const contentTracks=tab.tracks?tab.tracks.filter(tr=>tr.clips?.length>0||tr.midiItems?.length>0):[];let maxEndTime=0;(contentTracks||[]).forEach(tr=>{(tr.clips||[]).forEach(c=>{const end=(c.startTime||0)+(c.buffer?c.buffer.duration/(c.speed||1.0):4);if(end>maxEndTime)maxEndTime=end;});(tr.midiItems||[]).forEach(m=>{const end=(m.startTime||0)+(m.duration||4);if(end>maxEndTime)maxEndTime=end;});});const durationSec=Math.max(maxEndTime,4*secondsPerBar);setTracks(prev=>prev.map(t=>{if(!t.sections||t.sections.length===0)return t;return{...t,sections:t.sections.map(s=>{if(s.sectionId!==tab.sectionId&&s.id!==tab.sectionId)return s;return{...s,name:tab.name,duration:durationSec,tracks:contentTracks};})};}));// Clear isDirty flag
@@ -273,7 +275,7 @@ clipboardRef.current={buffer:t.buffer,name:t.name,volumeDb:t.volumeDb,pan:t.pan,
 if(selLeft!==null&&selRight!==null&&selRight>selLeft){const trackStart=t.startTime||0;const relSelLeft=Math.max(0,selLeft-trackStart);const relSelRight=Math.max(0,selRight-trackStart);const startSample=Math.floor(relSelLeft*sr);const endSample=Math.min(data.length,Math.floor(relSelRight*sr));const len=endSample-startSample;if(len>0){// Copy selection to clipboard
 const ctx=getAudioContext();const clipBuffer=ctx.createBuffer(1,len,sr);clipBuffer.copyToChannel(data.subarray(startSample,endSample),0);clipboardRef.current={buffer:clipBuffer,name:t.name,volumeDb:t.volumeDb,color:t.color};// Remove selection from track, glue the two remaining parts
 const newLen=data.length-len;const newBuffer=ctx.createBuffer(1,newLen,sr);const newData=newBuffer.getChannelData(0);let idx=0;for(let i=0;i<startSample;i++)newData[idx++]=data[i];for(let i=endSample;i<data.length;i++)newData[idx++]=data[i];updateActiveTracks(p=>p.map(tr=>tr.id===selectedTrackId?{...tr,buffer:newBuffer}:tr));const afterSnap=captureTrackSnapshot(selectedTrackId);pushAction('CUT',selectedTrackId,beforeSnap,afterSnap);showToast('Cut selection to clipboard.','info');return;}}// No selection: cut entire track (copy + delete)
-handleCopyTrack();handleDeleteTrack();};const handleDeleteTrack=()=>{const tid=selectedTrackId;const sessionTab=sessionTabs.find(s=>s.id===activeTab);if(sessionTab){updateActiveTracks(prev=>prev.filter(t=>t.id!==tid));setSelectedTrackId(activeTracks.filter(t=>t.id!==tid)[0]?.id||'1');}else{const curTracks=tracks;const track=curTracks.find(t=>t.id===tid);if(track&&track.sections&&track.sections.length>0){showToast('Không thể xoá track chứa Section item.','warning');return;}setTracks(p=>p.filter(t=>t.id!==tid));setSelectedTrackId(curTracks.filter(t=>t.id!==tid)[0]?.id||'1');}showToast('Deleted track.','info');};// ── Server Health Check ──
+handleCopyTrack();handleDeleteTrack();};const handleDeleteTrack=()=>{const tid=selectedTrackId;const sessionTab=sessionTabs.find(s=>s.id===activeTab);if(sessionTab){updateActiveTracks(prev=>prev.filter(t=>t.id!==tid));setSelectedTrackId(activeTracks.filter(t=>t.id!==tid)[0]?.id||'1');}else{const curTracks=tracks;const track=curTracks.find(t=>t.id===tid);if(track&&track.sections&&track.sections.length>0){showToast('Không thể xoá track chứa Section item.','warning');return;}setTracks(p=>p.filter(t=>t.id!==tid));setSelectedTrackId(curTracks.filter(t=>t.id!==tid)[0]?.id||'1');}showToast('Deleted track.','info');};handleDeleteTrackRef.current=handleDeleteTrack;// ── Server Health Check ──
 const[viewportWidth,setViewportWidth]=useState(1200);useEffect(()=>{if(!timelineWrapperNode)return;const observer=new ResizeObserver(entries=>{for(let entry of entries){setViewportWidth(entry.contentRect.width);}});observer.observe(timelineWrapperNode);return()=>observer.disconnect();},[timelineWrapperNode]);useEffect(()=>{fetch(API_BASE_URL).then(r=>{if(r.ok)setServerStatus('connected');else setServerStatus('error');}).catch(()=>setServerStatus('offline'));},[]);// ── Computed Values ──
 const leadInMargin=0;const leadInMarginRef=useRef(0);leadInMarginRef.current=0;const maxDuration=useMemo(()=>{const secPerBar=60.0/(parseInt(bpm)||120)*4;const cur=activeTracks;let max=10;cur.forEach(t=>{const clips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default',buffer:t.buffer,startTime:t.startTime||0,name:t.name,speed:t.speed||1.0}]:[];clips.forEach(c=>{if(c.buffer){const cStart=c.startTime||0;const cDur=c.buffer.duration/(c.speed||1.0);max=Math.max(max,cStart+cDur);}});(t.midiItems||[]).forEach(m=>{max=Math.max(max,(m.startTime||0)+(m.duration||4));});(t.sections||[]).forEach(s=>{max=Math.max(max,(s.start||0)+(s.duration||4));});});if(recordingState==='RECORDING'||recordingState==='COUNT_IN'){max=Math.max(max,currentTime+60);}max+=secPerBar*12+scrollBufferExtra;return max;},[activeTracks,recordingState,currentTime,bpm,scrollBufferExtra]);const maxDurationRef=useRef(maxDuration);maxDurationRef.current=maxDuration;const minZoom=useMemo(()=>{return viewportWidth/maxDuration;},[viewportWidth,maxDuration]);const timelineWidth=useMemo(()=>{return Math.max(zoom*(maxDuration+leadInMargin),viewportWidth);},[zoom,maxDuration,viewportWidth,leadInMargin]);useEffect(()=>{if(zoom<minZoom){setZoom(minZoom);}},[minZoom]);const playheadLeftPos=useMemo(()=>(currentTime+leadInMargin)*zoom,[currentTime,zoom,leadInMargin]);const selLeft=useMemo(()=>{if(selectionMode==='local'&&localSelectionStart!==null&&localSelectionEnd!==null){return Math.max(0,Math.min(localSelectionStart,localSelectionEnd));}if(selectionStart===null||selectionEnd===null)return null;return Math.max(0,Math.min(selectionStart,selectionEnd));},[selectionStart,selectionEnd,selectionMode,localSelectionStart,localSelectionEnd]);const selRight=useMemo(()=>{if(selectionMode==='local'&&localSelectionStart!==null&&localSelectionEnd!==null){return Math.max(0,Math.max(localSelectionStart,localSelectionEnd));}if(selectionStart===null||selectionEnd===null)return null;return Math.max(0,Math.max(selectionStart,selectionEnd));},[selectionStart,selectionEnd,selectionMode,localSelectionStart,localSelectionEnd]);const dspSelectionStats=useMemo(()=>{const track=tracks.find(t=>t.id===selectedTrackId);if(!track)return null;const numChannels=track.buffer?track.buffer.numberOfChannels||1:0;if(selLeft===null||selRight===null||selRight<=selLeft||!track.buffer){return{trackName:track.name,channels:numChannels,timeRange:'Chưa chọn vùng',peakVolume:'N/A'};}const buffer=track.buffer;const sampleRate=buffer.sampleRate;const startSample=Math.max(0,Math.min(buffer.length-1,Math.floor(selLeft*sampleRate)));const endSample=Math.max(0,Math.min(buffer.length,Math.floor(selRight*sampleRate)));let maxVal=0;for(let c=0;c<numChannels;c++){const data=buffer.getChannelData(c);for(let i=startSample;i<endSample;i++){const val=Math.abs(data[i]);if(val>maxVal)maxVal=val;}}let peakDb='N/A';if(maxVal>0){const db=20*Math.log10(maxVal);peakDb=db.toFixed(2)+' dB';}else{peakDb='-∞ dB';}return{trackName:track.name,channels:numChannels,timeRange:`${selLeft.toFixed(2)}s - ${selRight.toFixed(2)}s (${(selRight-selLeft).toFixed(2)}s)`,peakVolume:peakDb};},[tracks,selectedTrackId,selLeft,selRight]);// ── Toast helper ──
 const showToast=(text,type='info',actionText=null,onActionClick=null)=>{if(toastTimeoutRef.current)clearTimeout(toastTimeoutRef.current);setToastMessage({text,type,actionText,onActionClick});toastTimeoutRef.current=setTimeout(()=>setToastMessage(null),actionText?8000:3500);};window.showToast=showToast;// ── Server-side upload ──
@@ -315,7 +317,7 @@ const midiItems=track.midiItems||[];if((track.type==='MIDI'||midiItems.length>0)
 var sessionBeatOffset=0;var targetTrk=allTracks.find(function(t){return t.id===st.trackId;});if(targetTrk){var targetIt=(targetTrk.midiItems||[]).find(function(m){return m.id===st.target_id;});if(targetIt)sessionBeatOffset=targetIt.startTime/(60.0/bpmVal*4)*4;}midiNotes.forEach(note=>{const noteOnBeat=(note.start_beat||0)+sessionBeatOffset;const noteDurBeat=note.duration_beats||1;const noteStartSec=noteOnBeat*secondsPerBeat;const noteDurSec=noteDurBeat*secondsPerBeat;if(noteStartSec+noteDurSec>offsetSeconds){const effectiveStart=Math.max(0,noteStartSec-offsetSeconds);const effectiveDur=noteDurSec-Math.max(0,offsetSeconds-noteStartSec);const scheduledTime=startWallTime+effectiveStart;const durMs=effectiveDur*1000;if(window.SonicSF){window.SonicSF.playNote(note.pitch||60,note.velocity||0.8,durMs,scheduledTime,instrumentProgram,destNode,mainCh,synthEngine);}}});// Play ghost notes from active tracks
 var ghostLayers=st.ghostPlayLayers||[];ghostLayers.forEach(function(layer){var ghostTrack=allTracks.find(function(t){return t.id===layer.trackId;});var ghostProg=layer.instrumentProgram!==undefined?layer.instrumentProgram:ghostTrack?ghostTrack.instrumentProgram:undefined;var ghostSynth=layer.synthEngine||(ghostTrack?ghostTrack.synth_engine:undefined);if(ghostProg===undefined&&!ghostSynth)return;var ghostDest=getOrCreateTrackNode(ghostTrack,context);var ghostCh=0;if(ghostTrack){if(ghostTrack.midiChannel!==undefined){ghostCh=ghostTrack.midiChannel;}else{ghostCh=window.SonicPianoRoll?window.SonicPianoRoll.getTrackMidiChannel(ghostTrack,allTracks):ghostTrack?ghostTrack.midiChannel:0;}}layer.notes.forEach(function(note){var beat=(note.start_beat||0)+sessionBeatOffset;var dur=note.duration_beats||1;var startSec=beat*secondsPerBeat;var durSec=dur*secondsPerBeat;if(startSec+durSec>offsetSeconds){var effStart=Math.max(0,startSec-offsetSeconds);var effDur=durSec-Math.max(0,offsetSeconds-startSec);var schedTime=startWallTime+effStart;var durMs=effDur*1000;if(window.SonicSF){window.SonicSF.playNote(note.pitch||60,note.velocity||0.8,durMs,schedTime,ghostProg,ghostDest,ghostCh,ghostSynth);}}});});};const handlePlayPause=()=>{if(activeTab!=='main'&&!activeTab.startsWith('session_')){// Sub-tab playback transport
 const st=subTabs.find(s=>s.id===activeTab);if(!st||!st.buffer&&st.type!=='PIANO_ROLL')return;if(st.isPlaying){stopAllPlayback();setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,isPlaying:false}:s));}else{stopAllPlayback();const startOffset=st.currentTime||0;if(st.type==='PIANO_ROLL'){schedulePianoRollMidi(st,startOffset);startSubTabPlayback(st,startOffset);}else{startSubTabPlayback(st,startOffset);}setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,isPlaying:true,currentTime:startOffset}:s));}return;}const context=getAudioContext();if(isPlaying){stopAllPlayback();}else{startOffsetTimeRef.current=currentTime;startAudioTimeRef.current=context.currentTime;startTrackPlayback(currentTime);setIsPlaying(true);}};handlePlayPauseRef.current=handlePlayPause;const handlePause=()=>{if(isPlaying||subTabs.some(s=>s.isPlaying))stopAllPlayback();};const stopAllPlayback=()=>{activeSourcesRef.current.forEach(src=>{try{src.stop();}catch(e){}});activeSourcesRef.current=[];Object.values(activeTrackNodesRef.current).forEach(n=>{if(n.fxStopFn)n.fxStopFn();});activeTrackNodesRef.current={};if(window.SonicSF){window.SonicSF.stopAll();}setIsPlaying(false);setSubTabs(prev=>prev.map(s=>({...s,isPlaying:false})));};const seekPlaybackTo=time=>{const isSubTab=subTabs.some(sub=>sub.id===activeTab);if(isSubTab){const st=subTabs.find(s=>s.id===activeTab);if(!st)return;if(st.isPlaying){stopAllPlayback();window.SonicSF.stopAll();setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,currentTime:time,isPlaying:true}:s));const ctx=getAudioContext();startOffsetTimeRef.current=time;startAudioTimeRef.current=ctx.currentTime;startBufferOffsetRef.current=time*(st.speed||1.0);if(st.type==='PIANO_ROLL'){schedulePianoRollMidi(st,time);}startSubTabPlayback(st,time);}else{setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,currentTime:time}:s));}}else{if(isPlaying){stopAllPlayback();setCurrentTime(time);startOffsetTimeRef.current=time;startAudioTimeRef.current=getAudioContext().currentTime;startTrackPlayback(time);setIsPlaying(true);}else{setCurrentTime(time);}}};const handleStop=()=>{if(recordingStateRef.current==='RECORDING'||recordingStateRef.current==='COUNT_IN'){stopRecordingTake();return;}stopAllPlayback();if(activeTab!=='main'&&!activeTab.startsWith('session_')){setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,currentTime:0}:s));}else{setCurrentTime(0);}};const drawVuMeter=(canvas,db)=>{if(!canvas)return;const ctx=canvas.getContext('2d');if(!ctx)return;const w=canvas.width;const h=canvas.height;ctx.clearRect(0,0,w,h);const minDb=-60;const maxDb=0;const frac=Math.max(0,Math.min(1,(db-minDb)/(maxDb-minDb)));ctx.fillStyle='#18181b';ctx.fillRect(0,0,w,h);const grad=ctx.createLinearGradient(0,0,w,0);grad.addColorStop(0,'#10b981');grad.addColorStop(0.7,'#eab308');grad.addColorStop(0.95,'#ef4444');ctx.fillStyle=grad;ctx.fillRect(0,0,w*frac,h);if(db>=-0.5){ctx.fillStyle='#ff0000';ctx.fillRect(w-6,0,6,h);}};const handleRecordClick=async()=>{if(recordingState==='RECORDING'||recordingState==='COUNT_IN'){await stopRecordingTake();return;}// Check if piano roll tab is active and armed
-const activePianoRoll=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL'&&s.isArmed);if(activePianoRoll&&selectedMidiInputId){setRecordingState('COUNT_IN');const secondsPerBeat=60.0/(parseInt(bpm)||120);const countInDuration=secondsPerBeat*4;const audioCtx=getAudioContext();const now=audioCtx.currentTime;showToast('Metronome Count-in: 4... 3... 2... 1... (MIDI Piano Roll)','info');for(let i=0;i<4;i++){playMetronomeClick(now+i*secondsPerBeat,i===0);}setTimeout(()=>{startPianoRollRecording(activePianoRoll);},countInDuration*1000);return;}const armed=activeTracks.filter(t=>t.isArmed&&t.inputSource?.deviceType&&t.inputSource.deviceType!=='NONE');if(armed.length===0){showToast('Vui lòng Arm (R) ít nhất một track và chọn cổng Input để ghi âm.','warning');return;}setRecordingState('COUNT_IN');const secondsPerBeat=60.0/(parseInt(bpm)||120);const countInDuration=secondsPerBeat*4;const audioCtx=getAudioContext();const now=audioCtx.currentTime;showToast('Metronome Count-in: 4... 3... 2... 1...','info');for(let i=0;i<4;i++){playMetronomeClick(now+i*secondsPerBeat,i===0);}setTimeout(()=>{startRecordingTake(armed);},countInDuration*1000);};const startPianoRollRecording=tab=>{try{const context=getAudioContext();const secondsPerBeat=60.0/(parseInt(bpm)||120);const startTime=currentTime;const startBeat=startTime/secondsPerBeat;nextMetronomeBeatRef.current=Math.ceil(startBeat);const midiRec=new ClientMIDIRecorder(context,parseInt(bpm)||120,4);midiRec.tempTabId=tab.id;midiRec.selectedMidiInputId=selectedMidiInputId||'ALL';midiRec.start(startTime/secondsPerBeat,midiRec.selectedMidiInputId);pianoRollRecorderRef.current=midiRec;activeMIDIRecordersRef.current['piano_roll']=midiRec;setRecStartTimelineTime(startTime);recordingStartTimeRef.current=startTime;setRecordingState('RECORDING');setRecTempMidiNotes([]);const ctx=getAudioContext();const silentBuf=ctx.createBuffer(1,128,ctx.sampleRate);setSubTabs(prev=>prev.map(s=>s.id===tab.id?{...s,buffer:silentBuf,isPlaying:true}:s));startSubTabPlayback({...tab,buffer:silentBuf},startTime);startOffsetTimeRef.current=startTime;startAudioTimeRef.current=context.currentTime;setIsPlaying(true);midiRec.onNoteOn=(pitch,currentBeat)=>{const elapsedBeats=Math.max(0,currentBeat);const sec=elapsedBeats*(60.0/(parseInt(bpm)||120));const activeNotes=Array.from(midiRec.activeNotes.values()).map(n=>({id:'rec_'+n.pitch+'_'+currentBeat,pitch:n.pitch,start_beat:n.start_beat,duration_beats:Math.max(0.125,currentBeat-n.start_beat),velocity:Math.min(1,n.velocity||0.8),pan:0.0}));const rec=midiRec.recordedNotes.map((n,i)=>({id:'rec_'+Date.now()+'_'+i,pitch:n.pitch,start_beat:n.start_beat,duration_beats:n.duration_beats,velocity:Math.min(1,n.velocity||0.8),pan:0.0}));const allNotes=[...rec,...activeNotes];setRecTempMidiNotes(allNotes);setCanvasRedrawCount(n=>n+1);setSubTabs(prev=>prev.map(s=>s.id===tab.id?{...s,currentTime:startTime+sec,isDirty:true}:s));};if(!tab._recordingStarted){tab._recordingStarted=true;}showToast('Recording MIDI to Piano Roll...','info');}catch(err){console.error('startPianoRollRecording error:',err);showToast('Lỗi khi bắt đầu ghi âm Piano Roll: '+err.message,'warning');setRecordingState('IDLE');}};const startRecordingTake=async armedTracks=>{const context=getAudioContext();if(context.state==='suspended'){await context.resume();}setRecordingState('RECORDING');setRecTempMidiNotes([]);setRecTempAudioBuffer(null);const startTimelineTime=currentTime;setRecStartTimelineTime(startTimelineTime);recordingStartTimeRef.current=startTimelineTime;const secondsPerBeat=60.0/(parseInt(bpm)||120);const startBeat=startTimelineTime/secondsPerBeat;nextMetronomeBeatRef.current=Math.ceil(startBeat);activeMIDIRecordersRef.current={};activeAudioRecordersRef.current={};recordingPCMDataRef.current={};startOffsetTimeRef.current=startTimelineTime;startAudioTimeRef.current=context.currentTime;startTrackPlayback(startTimelineTime);setIsPlaying(true);let midiRecList=[];for(let track of armedTracks){if(track.inputSource.deviceType==='MIDI_KEYBOARD'){const midiRec=new ClientMIDIRecorder(context,parseInt(bpm)||120,4);const tempMidiItemId='midi_rec_'+Date.now()+'_'+track.id;midiRec.tempMidiItemId=tempMidiItemId;updateActiveTracks(prev=>prev.map(t=>{if(t.id!==track.id)return t;return{...t,midiItems:[...(t.midiItems||[]),{id:tempMidiItemId,name:'Recording...',startTime:startTimelineTime,duration:4*(secondsPerBeat*4),notes:[]}]};}));midiRec.onNoteOn=(pitch,currentBeat)=>{const canvas=trackVuRefs.current[track.id];if(canvas){drawVuMeter(canvas,0);setTimeout(()=>drawVuMeter(canvas,-60),100);}const elapsedBeats=Math.max(0,currentBeat);const elapsedSec=elapsedBeats*secondsPerBeat;const durationSec=Math.max(4*(secondsPerBeat*4),elapsedSec);const allNotes=[...midiRec.recordedNotes,...Array.from(midiRec.activeNotes.values()).map(n=>({...n,duration_beats:currentBeat-n.start_beat}))];setRecTempMidiNotes(allNotes);setCanvasRedrawCount(n=>n+1);if(midiRec.tempMidiItemId){updateActiveTracks(prev=>prev.map(t=>{if(t.id!==track.id)return t;return{...t,midiItems:t.midiItems.map(m=>m.id===midiRec.tempMidiItemId?{...m,notes:allNotes,duration:durationSec}:m)};}));}};midiRec.onNoteOff=()=>{const currentBeat=(context.currentTime-midiRec.recStartAudioTime-midiRec.latencyCompSec)/(60.0/midiRec.bpm);const elapsedBeats=Math.max(0,currentBeat);const elapsedSec=elapsedBeats*secondsPerBeat;const durationSec=Math.max(4*(secondsPerBeat*4),elapsedSec);const activeNotesArray=Array.from(midiRec.activeNotes.values()).map(n=>({...n,duration_beats:currentBeat-n.start_beat}));const allNotes=[...midiRec.recordedNotes,...activeNotesArray];setRecTempMidiNotes(allNotes);setCanvasRedrawCount(n=>n+1);if(midiRec.tempMidiItemId){updateActiveTracks(prev=>prev.map(t=>{if(t.id!==track.id)return t;return{...t,midiItems:t.midiItems.map(m=>m.id===midiRec.tempMidiItemId?{...m,notes:allNotes,duration:durationSec}:m)};}));}};midiRec.start(startTimelineTime/(secondsPerBeat*4),track.inputSource.deviceId);activeMIDIRecordersRef.current[track.id]=midiRec;midiRecList.push({trackId:track.id,midiRec});}else if(track.inputSource.deviceType==='MICROPHONE'){const audioRec=new ClientAudioRecorder(context);try{await audioRec.initializeInput(track.inputSource.deviceId);recordingPCMDataRef.current[track.id]=[];audioRec.onLevelUpdate=db=>{const canvas=trackVuRefs.current[track.id];if(canvas){drawVuMeter(canvas,db);}};audioRec.onPCMChunk=chunk=>{if(recordingPCMDataRef.current[track.id]){const currentData=recordingPCMDataRef.current[track.id];const newData=new Float32Array(currentData.length+chunk.length);newData.set(currentData);newData.set(chunk,currentData.length);recordingPCMDataRef.current[track.id]=newData;}};const monitorGain=track.monitoringEnabled?context.destination:null;await audioRec.start(monitorGain,track.monitoringEnabled);activeAudioRecordersRef.current[track.id]=audioRec;}catch(err){console.error('Failed to initialize microphone:',err);showToast('Không khởi động được micro: '+err.message,'warning');}}}recordingSyncRef.current=setInterval(()=>{const secondsPerBeatInt=60.0/(parseInt(bpm)||120);for(let{trackId,midiRec}of midiRecList){if(!midiRec.isRecording||!midiRec.tempMidiItemId)continue;const currentTimeSec=Math.max(0,getAudioContext().currentTime-midiRec.recStartAudioTime-midiRec.latencyCompSec);const currentBeat=currentTimeSec/secondsPerBeatInt;const allNotes=[...midiRec.recordedNotes,...Array.from(midiRec.activeNotes.values()).map(n=>({...n,duration_beats:currentBeat-n.start_beat}))];const durationSec=Math.max(4*(secondsPerBeatInt*4),currentTimeSec);if(Math.random()<0.2){// Throttle log to prevent flooding (approx 2 logs/sec)
+const activePianoRoll=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL'&&s.isArmed);if(activePianoRoll&&selectedMidiInputId){setRecordingState('COUNT_IN');const secondsPerBeat=60.0/(parseInt(bpm)||120);const countInDuration=secondsPerBeat*4;const audioCtx=getAudioContext();const now=audioCtx.currentTime;showToast('Metronome Count-in: 4... 3... 2... 1... (MIDI Piano Roll)','info');for(let i=0;i<4;i++){playMetronomeClick(now+i*secondsPerBeat,i===0);}setTimeout(()=>{startPianoRollRecording(activePianoRoll);},countInDuration*1000);return;}const armed=activeTracks.filter(t=>t.isArmed&&t.inputSource?.deviceType&&t.inputSource.deviceType!=='NONE');if(armed.length===0){showToast('Vui lòng Arm (R) ít nhất một track và chọn cổng Input để ghi âm.','warning');return;}setRecordingState('COUNT_IN');const secondsPerBeat=60.0/(parseInt(bpm)||120);const countInDuration=secondsPerBeat*4;const audioCtx=getAudioContext();const now=audioCtx.currentTime;showToast('Metronome Count-in: 4... 3... 2... 1...','info');for(let i=0;i<4;i++){playMetronomeClick(now+i*secondsPerBeat,i===0);}setTimeout(()=>{startRecordingTake(armed);},countInDuration*1000);};const startPianoRollRecording=tab=>{try{const context=getAudioContext();const secondsPerBeat=60.0/(parseInt(bpm)||120);const startTime=currentTime;const startBeat=startTime/secondsPerBeat;nextMetronomeBeatRef.current=Math.ceil(startBeat);const midiRec=new ClientMIDIRecorder(context,parseInt(bpm)||120,4);midiRec.tempTabId=tab.id;midiRec.selectedMidiInputId=selectedMidiInputId||'ALL';midiRec.start(startTime/secondsPerBeat,midiRec.selectedMidiInputId);pianoRollRecorderRef.current=midiRec;activeMIDIRecordersRef.current['piano_roll']=midiRec;setRecStartTimelineTime(startTime);recordingStartTimeRef.current=startTime;setRecordingState('RECORDING');setRecTempMidiNotes([]);const ctx=getAudioContext();const silentBuf=ctx.createBuffer(1,128,ctx.sampleRate);setSubTabs(prev=>prev.map(s=>s.id===tab.id?{...s,buffer:silentBuf,isPlaying:true}:s));startSubTabPlayback({...tab,buffer:silentBuf},startTime);startOffsetTimeRef.current=startTime;startAudioTimeRef.current=context.currentTime;setIsPlaying(true);midiRec.onNoteOn=(pitch,currentBeat)=>{const elapsedBeats=Math.max(0,currentBeat);const sec=elapsedBeats*(60.0/(parseInt(bpm)||120));const activeNotes=Array.from(midiRec.activeNotes.values()).map(n=>({id:'rec_'+n.pitch+'_'+currentBeat,pitch:n.pitch,start_beat:n.start_beat,duration_beats:Math.max(0.125,currentBeat-n.start_beat),velocity:Math.min(1,n.velocity||0.8),pan:0.0}));const rec=midiRec.recordedNotes.map((n,i)=>({id:'rec_'+Date.now()+'_'+i,pitch:n.pitch,start_beat:n.start_beat,duration_beats:n.duration_beats,velocity:Math.min(1,n.velocity||0.8),pan:0.0}));const allNotes=[...rec,...activeNotes];setRecTempMidiNotes(allNotes);setCanvasRedrawCount(n=>n+1);setSubTabs(prev=>prev.map(s=>s.id===tab.id?{...s,currentTime:startTime+sec,isDirty:true}:s));};if(!tab._recordingStarted){tab._recordingStarted=true;}showToast('Recording MIDI to Piano Roll...','info');}catch(err){console.error('startPianoRollRecording error:',err);showToast('Lỗi khi bắt đầu ghi âm Piano Roll: '+err.message,'warning');setRecordingState('IDLE');}};handleRecordClickRef.current=handleRecordClick;const startRecordingTake=async armedTracks=>{const context=getAudioContext();if(context.state==='suspended'){await context.resume();}setRecordingState('RECORDING');setRecTempMidiNotes([]);setRecTempAudioBuffer(null);const startTimelineTime=currentTime;setRecStartTimelineTime(startTimelineTime);recordingStartTimeRef.current=startTimelineTime;const secondsPerBeat=60.0/(parseInt(bpm)||120);const startBeat=startTimelineTime/secondsPerBeat;nextMetronomeBeatRef.current=Math.ceil(startBeat);activeMIDIRecordersRef.current={};activeAudioRecordersRef.current={};recordingPCMDataRef.current={};startOffsetTimeRef.current=startTimelineTime;startAudioTimeRef.current=context.currentTime;startTrackPlayback(startTimelineTime);setIsPlaying(true);let midiRecList=[];for(let track of armedTracks){if(track.inputSource.deviceType==='MIDI_KEYBOARD'){const midiRec=new ClientMIDIRecorder(context,parseInt(bpm)||120,4);const tempMidiItemId='midi_rec_'+Date.now()+'_'+track.id;midiRec.tempMidiItemId=tempMidiItemId;updateActiveTracks(prev=>prev.map(t=>{if(t.id!==track.id)return t;return{...t,midiItems:[...(t.midiItems||[]),{id:tempMidiItemId,name:'Recording...',startTime:startTimelineTime,duration:4*(secondsPerBeat*4),notes:[]}]};}));midiRec.onNoteOn=(pitch,currentBeat)=>{const canvas=trackVuRefs.current[track.id];if(canvas){drawVuMeter(canvas,0);setTimeout(()=>drawVuMeter(canvas,-60),100);}const elapsedBeats=Math.max(0,currentBeat);const elapsedSec=elapsedBeats*secondsPerBeat;const durationSec=Math.max(4*(secondsPerBeat*4),elapsedSec);const allNotes=[...midiRec.recordedNotes,...Array.from(midiRec.activeNotes.values()).map(n=>({...n,duration_beats:currentBeat-n.start_beat}))];setRecTempMidiNotes(allNotes);setCanvasRedrawCount(n=>n+1);if(midiRec.tempMidiItemId){updateActiveTracks(prev=>prev.map(t=>{if(t.id!==track.id)return t;return{...t,midiItems:t.midiItems.map(m=>m.id===midiRec.tempMidiItemId?{...m,notes:allNotes,duration:durationSec}:m)};}));}};midiRec.onNoteOff=()=>{const currentBeat=(context.currentTime-midiRec.recStartAudioTime-midiRec.latencyCompSec)/(60.0/midiRec.bpm);const elapsedBeats=Math.max(0,currentBeat);const elapsedSec=elapsedBeats*secondsPerBeat;const durationSec=Math.max(4*(secondsPerBeat*4),elapsedSec);const activeNotesArray=Array.from(midiRec.activeNotes.values()).map(n=>({...n,duration_beats:currentBeat-n.start_beat}));const allNotes=[...midiRec.recordedNotes,...activeNotesArray];setRecTempMidiNotes(allNotes);setCanvasRedrawCount(n=>n+1);if(midiRec.tempMidiItemId){updateActiveTracks(prev=>prev.map(t=>{if(t.id!==track.id)return t;return{...t,midiItems:t.midiItems.map(m=>m.id===midiRec.tempMidiItemId?{...m,notes:allNotes,duration:durationSec}:m)};}));}};midiRec.start(startTimelineTime/(secondsPerBeat*4),track.inputSource.deviceId);activeMIDIRecordersRef.current[track.id]=midiRec;midiRecList.push({trackId:track.id,midiRec});}else if(track.inputSource.deviceType==='MICROPHONE'){const audioRec=new ClientAudioRecorder(context);try{await audioRec.initializeInput(track.inputSource.deviceId);recordingPCMDataRef.current[track.id]=[];audioRec.onLevelUpdate=db=>{const canvas=trackVuRefs.current[track.id];if(canvas){drawVuMeter(canvas,db);}};audioRec.onPCMChunk=chunk=>{if(recordingPCMDataRef.current[track.id]){const currentData=recordingPCMDataRef.current[track.id];const newData=new Float32Array(currentData.length+chunk.length);newData.set(currentData);newData.set(chunk,currentData.length);recordingPCMDataRef.current[track.id]=newData;}};const monitorGain=track.monitoringEnabled?context.destination:null;await audioRec.start(monitorGain,track.monitoringEnabled);activeAudioRecordersRef.current[track.id]=audioRec;}catch(err){console.error('Failed to initialize microphone:',err);showToast('Không khởi động được micro: '+err.message,'warning');}}}recordingSyncRef.current=setInterval(()=>{const secondsPerBeatInt=60.0/(parseInt(bpm)||120);for(let{trackId,midiRec}of midiRecList){if(!midiRec.isRecording||!midiRec.tempMidiItemId)continue;const currentTimeSec=Math.max(0,getAudioContext().currentTime-midiRec.recStartAudioTime-midiRec.latencyCompSec);const currentBeat=currentTimeSec/secondsPerBeatInt;const allNotes=[...midiRec.recordedNotes,...Array.from(midiRec.activeNotes.values()).map(n=>({...n,duration_beats:currentBeat-n.start_beat}))];const durationSec=Math.max(4*(secondsPerBeatInt*4),currentTimeSec);if(Math.random()<0.2){// Throttle log to prevent flooding (approx 2 logs/sec)
 console.log(`[DevLog] [MIDI Rec Sync] Temp Item ID: ${midiRec.tempMidiItemId}, Duration: ${durationSec.toFixed(2)}s, ActiveNotes: ${midiRec.activeNotes.size}, RecordedNotes: ${midiRec.recordedNotes.length}`);}setRecTempMidiNotes(allNotes);setCanvasRedrawCount(n=>n+1);updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:t.midiItems.map(m=>m.id===midiRec.tempMidiItemId?{...m,notes:allNotes,duration:durationSec}:m)};}));}},100);showToast('Đang ghi âm...','info');};const stopRecordingTake=async()=>{setRecordingState('IDLE');stopAllPlayback();const context=getAudioContext();const secondsPerBeat=60.0/(parseInt(bpm)||120);const secondsPerBar=secondsPerBeat*4;const midiRecorders=activeMIDIRecordersRef.current;const audioRecorders=activeAudioRecordersRef.current;Object.keys(trackVuRefs.current).forEach(tid=>{const canvas=trackVuRefs.current[tid];if(canvas)drawVuMeter(canvas,-60);});let hasRecordedAnything=false;for(let trackId in midiRecorders){const midiRec=midiRecorders[trackId];if(midiRec.tempTabId){const recordedNotes=midiRec.stop();if(recordedNotes.length>0){const newNotes=recordedNotes.map((n,i)=>({id:'rec_'+Date.now()+'_'+i,pitch:n.pitch,start_beat:Math.max(0,n.start_beat||0),duration_beats:Math.max(0.125,n.duration_beats||0.25),velocity:Math.min(1,n.velocity||0.8),pan:0.0}));setSubTabs(prev=>prev.map(s=>s.id===midiRec.tempTabId?{...s,notes:[...(s.notes||[]),...newNotes],isDirty:true}:s));setCanvasRedrawCount(n=>n+1);showToast(`Đã ghi ${recordedNotes.length} notes vào Piano Roll.`,'success');}hasRecordedAnything=true;}else if(midiRec.tempMidiItemId){const recCurrentTimeSec=Math.max(0,context.currentTime-midiRec.recStartAudioTime-midiRec.latencyCompSec);const recElapsedBeats=recCurrentTimeSec/(60.0/midiRec.bpm);const totalDurationBeats=Math.max(4.0,recordedNotes.length>0?Math.max(recElapsedBeats,...recordedNotes.map(n=>n.start_beat+n.duration_beats)):recElapsedBeats);updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const itemIndex=(t.midiItems||[]).findIndex(m=>m.id===midiRec.tempMidiItemId);if(itemIndex>=0){const updatedItems=[...t.midiItems];updatedItems[itemIndex]={...updatedItems[itemIndex],name:recordedNotes.length>0?'Recorded MIDI':'Empty MIDI',notes:recordedNotes,duration:Math.ceil(totalDurationBeats/4)*secondsPerBar};return{...t,midiItems:updatedItems};}const newMidiItem={id:'midi_rec_'+Date.now(),name:'Recorded MIDI',parent_track_id:t.id,startTime:recordingStartTimeRef.current,duration:Math.ceil(totalDurationBeats/4)*secondsPerBar,length_bars:Math.ceil(totalDurationBeats/4),notes:recordedNotes};return{...t,midiItems:[...(t.midiItems||[]),newMidiItem]};}));if(recordedNotes.length>0){hasRecordedAnything=true;}}else if(recordedNotes.length>0){hasRecordedAnything=true;const totalDurationBeats=Math.max(4.0,...recordedNotes.map(n=>n.start_beat+n.duration_beats));const newMidiItem={id:'midi_rec_'+Date.now(),name:'Recorded MIDI',parent_track_id:trackId,startTime:recordingStartTimeRef.current,duration:Math.ceil(totalDurationBeats/4)*secondsPerBar,length_bars:Math.ceil(totalDurationBeats/4),notes:recordedNotes};updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,midiItems:[...(t.midiItems||[]),newMidiItem]};}));}}for(let trackId in audioRecorders){const audioRec=audioRecorders[trackId];const audioBuffer=await audioRec.stop();if(audioBuffer&&audioBuffer.duration>0.05){hasRecordedAnything=true;const newClip={id:'clip_rec_'+Date.now(),name:'Recorded Audio.wav',buffer:audioBuffer,startTime:recordingStartTimeRef.current,speed:1.0};updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const updatedClips=[...(t.clips||[]),newClip];return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer||null,startTime:updatedClips[0]?.startTime||0,name:updatedClips[0]?.name||t.name};}));}}if(recordingSyncRef.current){clearInterval(recordingSyncRef.current);recordingSyncRef.current=null;}activeMIDIRecordersRef.current={};activeAudioRecordersRef.current={};recordingPCMDataRef.current={};setRecTempMidiNotes([]);setRecTempAudioBuffer(null);if(hasRecordedAnything){showToast('Đã thu và lưu bản ghi vào timeline.','success');}else{showToast('Đã dừng ghi âm (không phát hiện tín hiệu đầu vào).','info');}};const handleSubTabResizeMouseDown=e=>{e.preventDefault();e.stopPropagation();const startY=e.clientY;const startHeight=subTabHeight;const handleMouseMove=moveEvent=>{const deltaY=moveEvent.clientY-startY;const newHeight=Math.max(48,Math.min(400,startHeight+deltaY));setSubTabHeight(newHeight);};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};// ── Playhead set with seek+play ──
 const handlePlayheadSet=(time,shiftKey)=>{localSelectionAnchorRef.current=time;if(isPlaying){// Click during playback: seek to position and continue playing
 setCurrentTime(time);stopAllPlayback();setTimeout(()=>{startOffsetTimeRef.current=time;startAudioTimeRef.current=getAudioContext().currentTime;startTrackPlayback(time);setIsPlaying(true);},50);}else{// Normal click: just set playhead
@@ -330,14 +332,29 @@ if(t.id===drag.trackId&&drag.trackId!==targetTrackId){const updatedClips=(t.clip
 if(t.id===targetTrackId){const existingClips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];const hasClip=existingClips.some(c=>c.id===drag.clipId);let updatedClips;if(hasClip){updatedClips=existingClips.map(c=>c.id===drag.clipId?{...c,startTime:newStart}:c);}else{updatedClips=[...existingClips,{id:drag.clipId,buffer:drag.buffer,startTime:newStart,name:drag.name}];}return{...t,clips:updatedClips,buffer:updatedClips[0].buffer,startTime:updatedClips[0].startTime,name:updatedClips[0].name};}return t;}));if(drag.trackId!==targetTrackId){setDraggedClip(prev=>({...prev,trackId:targetTrackId}));}};const handleMouseUp=()=>{const drag=draggedClipRef.current;if(!drag)return;const afterSnap=captureTrackSnapshotRef.current(drag.trackId);pushAction('MOVE_CLIP',drag.trackId,drag.beforeSnap,afterSnap);setDraggedClip(null);showToast('Đã di chuyển clip.','success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);// Document-level mousemove/mouseup for clip stretching
 useEffect(()=>{const handleMouseMove=e=>{const stretch=stretchedClipRef.current;if(!stretch)return;autoScrollTimeline(e.clientX);const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=mouseX/zoom;const secPerBar=60.0/(parseInt(bpmRef.current)||120)*4;const marginBar=maxDurationRef.current-secPerBar;const maxEnd=Math.min(time,marginBar);const newDuration=Math.max(0.1,maxEnd-stretch.startTime);const speedRatio=stretch.originalDuration/newDuration;updateActiveTracks(prev=>prev.map(t=>{if(t.id===stretch.trackId){const updatedClips=(t.clips||[]).map(c=>{if(c.id===stretch.clipId){return{...c,speed:speedRatio};}return c;});return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer,startTime:updatedClips[0]?.startTime||0,speed:updatedClips[0]?.speed||1.0};}return t;}));};const handleMouseUp=()=>{const stretch=stretchedClipRef.current;if(!stretch)return;const afterSnap=captureTrackSnapshotRef.current(stretch.trackId);pushAction('STRETCH_CLIP',stretch.trackId,stretch.beforeSnap,afterSnap);setStretchedClip(null);showToast('Đã giãn thời gian clip.','success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);// ── Deselect single item ──
 const handleDeselectItem=itemId=>{setSelectedItemIds(prev=>{var next=new Set(prev);next.delete(itemId);return next;});};// ── Add item to selectedItemIds ──
-const handleSaveSectionTabRef=useRef(handleSaveSectionTab);handleSaveSectionTabRef.current=handleSaveSectionTab;const handleAddToSelection=itemId=>{setSelectedItemIds(prev=>{var next=new Set(prev);next.add(itemId);return next;});};const handleSetPendingDrag=(trackId,itemType,itemId,clickOffset,e,preToggleSnapshot)=>{pendingDragRef.current={trackId,itemType,itemId,clickOffset,startX:e.clientX,startY:e.clientY,selectedIds:preToggleSnapshot||new Set(selectedItemIds)};};// ── Sweep Select ──
-const handleSweepSelectStart=(trackId,startTime)=>{isSweepingRef.current=true;sweepStartRef.current=startTime;sweepTrackIdRef.current=trackId;var init={startTime,endTime:startTime};sweepSelectRef.current=init;setSweepSelect(init);setSelectedItemIds(new Set());};// ── Section / MIDI Item Drag Start ──
-const handleSectionItemDragStart=(trackId,itemType,itemId,clickOffset,isDuplicate,pendingSelectedIds)=>{var curTracks=activeTracksRef.current||activeTracks;var multiIds=null;var selIds=pendingSelectedIds||selectedItemIds;if(selIds&&selIds.size>0&&selIds.has(itemId)){var selArr=Array.from(selIds);var originals={};curTracks.forEach(function(t){(t.sections||[]).forEach(function(s){if(selArr.indexOf(s.id)>=0)originals[s.id]={type:'section',start:s.start};});(t.midiItems||[]).forEach(function(m){if(selArr.indexOf(m.id)>=0)originals[m.id]={type:'midiItem',start:m.startTime};});(t.clips||[]).forEach(function(c){var cid=c.id==='default'?'default_'+t.id:c.id;if(selArr.indexOf(cid)>=0)originals[cid]={type:'clip',start:c.startTime};});});if(Object.keys(originals).length>0)multiIds=originals;}if(isDuplicate){var track=curTracks.find(function(t){return t.id===trackId;});if(!track)return;if(multiIds){var newOriginals={};updateActiveTracks(function(prev){return prev.map(function(t){var updatedSections=t.sections?t.sections.slice():[];var updatedMidi=t.midiItems?t.midiItems.slice():[];var updatedClips=t.clips?t.clips.slice():[];Object.keys(multiIds).forEach(function(oid){var info=multiIds[oid];if(info.type==='section'){var sec=(t.sections||[]).find(function(s){return s.id===oid;});if(sec){var newId='sec_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedSections.push({...sec,id:newId,name:sec.name+' (Copy)'});newOriginals[newId]={type:'section',start:sec.start};}}else if(info.type==='midiItem'){var mid=(t.midiItems||[]).find(function(m){return m.id===oid;});if(mid){var newId='midi_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedMidi.push({...mid,id:newId,name:mid.name+' (Copy)'});newOriginals[newId]={type:'midiItem',start:mid.startTime};}}else if(info.type==='clip'){var clip=(t.clips||[]).find(function(c){return c.id===oid||'default_'+t.id===oid;});if(clip){var newId='clip_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedClips.push({...clip,id:newId,startTime:clip.startTime,name:clip.name+' (Copy)'});newOriginals[newId]={type:'clip',start:clip.startTime};}}});return{...t,sections:updatedSections,midiItems:updatedMidi,clips:updatedClips};});});setDraggedSectionItem({trackId,itemType,itemId,clickOffset,multiIds:newOriginals});}else{var items=itemType==='section'?track.sections||[]:track.midiItems||[];var item=items.find(function(it){return it.id===itemId;});if(!item)return;var newId=itemType+'_dup_'+Date.now();var newItem={...item,id:newId,name:item.name+' (Copy)'};updateActiveTracks(function(prev){return prev.map(function(t){if(t.id!==trackId)return t;var updated=itemType==='section'?[...(t.sections||[]),newItem]:[...(t.midiItems||[]),newItem];return itemType==='section'?{...t,sections:updated}:{...t,midiItems:updated};});});setDraggedSectionItem({trackId,itemType,itemId:newId,clickOffset,isDuplicate:false});}return;}setDraggedSectionItem({trackId,itemType,itemId,clickOffset,multiIds});};handleSectionItemDragStartRef.current=handleSectionItemDragStart;// ── Section / MIDI Item Resize Start ──
+const handleSaveSectionTabRef=useRef(handleSaveSectionTab);handleSaveSectionTabRef.current=handleSaveSectionTab;const handleAddToSelection=itemId=>{setSelectedItemIds(prev=>{var next=new Set(prev);next.add(itemId);return next;});};const handleSetPendingDrag=(trackId,itemType,itemId,clickOffset,e,preToggleSnapshot)=>{// Compute selectedIds AFTER the toggle that just happened:
+// - If itemId was in snapshot (was selected) → toggle removed it → delete
+// - If itemId was not in snapshot (was not selected) → toggle added it → add
+var ids=preToggleSnapshot?new Set(preToggleSnapshot):new Set(selectedItemIds);if(preToggleSnapshot&&preToggleSnapshot.has(itemId)){ids.delete(itemId);}else{ids.add(itemId);}pendingDragRef.current={trackId,itemType,itemId,clickOffset,startX:e.clientX,startY:e.clientY,selectedIds:ids};};// ── Sweep Select ──
+const handleSweepSelectStart=(trackId,startTime,startY)=>{isSweepingRef.current=true;sweepStartRef.current=startTime;sweepTrackIdRef.current=trackId;sweepStartYRef.current=startY||0;sweepEndYRef.current=startY||0;var init={startTime,endTime:startTime};sweepSelectRef.current=init;setSweepSelect(init);// Do NOT clear selection here – wait until mouseup.
+// Small movement → deselect all; large movement → marquee toggle.
+};// ── Section / MIDI Item Drag Start ──
+const handleSectionItemDragStart=(trackId,itemType,itemId,clickOffset,isDuplicate,pendingSelectedIds)=>{var curTracks=activeTracksRef.current||activeTracks;var multiIds=null;var selIds=pendingSelectedIds||selectedItemIds;if(selIds&&selIds.size>0&&selIds.has(itemId)){var selArr=Array.from(selIds);var originals={};curTracks.forEach(function(t){(t.sections||[]).forEach(function(s){if(selArr.indexOf(s.id)>=0)originals[s.id]={type:'section',start:s.start};});(t.midiItems||[]).forEach(function(m){if(selArr.indexOf(m.id)>=0)originals[m.id]={type:'midiItem',start:m.startTime};});(t.clips||[]).forEach(function(c){var cid=c.id==='default'?'default_'+t.id:c.id;if(selArr.indexOf(cid)>=0)originals[cid]={type:'clip',start:c.startTime};});});if(Object.keys(originals).length>0)multiIds=originals;}if(isDuplicate){var track=curTracks.find(function(t){return t.id===trackId;});if(!track)return;if(multiIds){var newOriginals={};updateActiveTracks(function(prev){return prev.map(function(t){var updatedSections=t.sections?t.sections.slice():[];var updatedMidi=t.midiItems?t.midiItems.slice():[];var updatedClips=t.clips?t.clips.slice():[];Object.keys(multiIds).forEach(function(oid){var info=multiIds[oid];if(info.type==='section'){var sec=(t.sections||[]).find(function(s){return s.id===oid;});if(sec){var newId='sec_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedSections.push({...sec,id:newId,name:sec.name+' (Copy)'});newOriginals[newId]={type:'section',start:sec.start};}}else if(info.type==='midiItem'){var mid=(t.midiItems||[]).find(function(m){return m.id===oid;});if(mid){var newId='midi_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedMidi.push({...mid,id:newId,name:mid.name+' (Copy)'});newOriginals[newId]={type:'midiItem',start:mid.startTime};}}else if(info.type==='clip'){var clip=(t.clips||[]).find(function(c){return c.id===oid||'default_'+t.id===oid;});if(clip){var newId='clip_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedClips.push({...clip,id:newId,startTime:clip.startTime,name:clip.name+' (Copy)'});newOriginals[newId]={type:'clip',start:clip.startTime};}}});return{...t,sections:updatedSections,midiItems:updatedMidi,clips:updatedClips};});});var newItemId=Object.keys(newOriginals)[0]||itemId;setDraggedSectionItem({trackId,itemType,itemId:newItemId,clickOffset,multiIds:newOriginals});}else{var items=itemType==='section'?track.sections||[]:track.midiItems||[];var item=items.find(function(it){return it.id===itemId;});if(!item)return;var newId=itemType+'_dup_'+Date.now();var newItem={...item,id:newId,name:item.name+' (Copy)'};updateActiveTracks(function(prev){return prev.map(function(t){if(t.id!==trackId)return t;var updated=itemType==='section'?[...(t.sections||[]),newItem]:[...(t.midiItems||[]),newItem];return itemType==='section'?{...t,sections:updated}:{...t,midiItems:updated};});});setDraggedSectionItem({trackId,itemType,itemId:newId,clickOffset,isDuplicate:false});}return;}setDraggedSectionItem({trackId,itemType,itemId,clickOffset,multiIds});};handleSectionItemDragStartRef.current=handleSectionItemDragStart;// ── Section / MIDI Item Resize Start ──
 const handleSectionItemResizeStart=(trackId,itemType,itemId,side,clickTime)=>{const curTracks=activeTracks;const track=curTracks.find(t=>t.id===trackId);if(!track)return;const items=itemType==='section'?track.sections:track.midiItems;const item=(items||[]).find(it=>it.id===itemId);if(!item)return;const start=itemType==='section'?item.start:item.startTime;setResizedSectionItem({trackId,itemType,itemId,side,originalStart:start,originalDuration:item.duration});};// ── Document-level mousemove/mouseup for Section/MIDI item drag ──
-useEffect(()=>{const handleMouseMove=e=>{const drag=draggedSectionItemRef.current;if(!drag)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;autoScrollTimeline(e.clientX);const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);const beatSec=60.0/(parseInt(bpm)||120);const secondsPerBar=beatSec*4;const marginBar=maxDurationRef.current-secondsPerBar;const rawStart=Math.max(0,Math.min(time-drag.clickOffset,marginBar));const newStart=snapTime(rawStart,snapValueRef.current,bpmRef.current);const itemPx=newStart*zoom;const keepMargin=80;if(itemPx>scrollLeft+rect.width-keepMargin){wrapper.scrollLeft=itemPx-rect.width+keepMargin;setCanvasRedrawCount(n=>n+1);}else if(itemPx<scrollLeft+keepMargin){wrapper.scrollLeft=Math.max(0,itemPx-keepMargin);setCanvasRedrawCount(n=>n+1);}const targetTrackId=hoveredTrackIdRef.current||drag.trackId;updateActiveTracks(prev=>{let movedItem=null;for(let track of prev){const items=drag.itemType==='section'?track.sections||[]:track.midiItems||[];const found=items.find(it=>it.id===drag.itemId);if(found){movedItem=found;break;}}return prev.map(t=>{if(drag.multiIds){var dragOrigStart=drag.multiIds[drag.itemId]?drag.multiIds[drag.itemId].start:0;var delta=newStart-dragOrigStart;var midSections=(t.sections||[]).slice();var midMidis=(t.midiItems||[]).slice();var midClips=(t.clips||[]).slice();Object.keys(drag.multiIds).forEach(function(mid){var info=drag.multiIds[mid];var newVal=info.start+delta;if(info.type==='section'){var idx=midSections.findIndex(function(s){return s.id===mid;});if(idx>=0)midSections[idx]={...midSections[idx],start:Math.max(0,newVal)};}else if(info.type==='midiItem'){var idx=midMidis.findIndex(function(m){return m.id===mid;});if(idx>=0)midMidis[idx]={...midMidis[idx],startTime:Math.max(0,newVal)};}else if(info.type==='clip'){var idx=midClips.findIndex(function(c){return c.id===mid;});if(idx>=0)midClips[idx]={...midClips[idx],startTime:Math.max(0,newVal)};}});return{...t,sections:midSections,midiItems:midMidis,clips:midClips};}const items=drag.itemType==='section'?t.sections||[]:t.midiItems||[];const updatedItems=items.filter(it=>it.id!==drag.itemId);if(t.id===targetTrackId){if(movedItem){updatedItems.push(drag.itemType==='section'?{...movedItem,start:newStart}:{...movedItem,startTime:newStart});}else{if(drag.itemType==='section'){updatedItems.push({id:drag.itemId,name:'Section',start:newStart,duration:4*secondsPerBar,color:'#06b6d4'});}else{updatedItems.push({id:drag.itemId,name:'MIDI Item',startTime:newStart,duration:4*secondsPerBar,notes:[],color:'#a78bfa'});}}}return drag.itemType==='section'?{...t,sections:updatedItems}:{...t,midiItems:updatedItems};});});if(drag.trackId!==targetTrackId){setDraggedSectionItem(prev=>({...prev,trackId:targetTrackId}));}};const handleMouseUp=()=>{const drag=draggedSectionItemRef.current;if(!drag)return;setDraggedSectionItem(null);showToast(`Đã di chuyển ${drag.itemType==='section'?'section':'MIDI item'}.`,'success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,activeTab,sessionTabs]);// ── Pending drag: Ctrl+click toggles selection; mousemove > threshold starts copy-drag ──
+useEffect(()=>{const handleMouseMove=e=>{const drag=draggedSectionItemRef.current;if(!drag)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;autoScrollTimeline(e.clientX);const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);const beatSec=60.0/(parseInt(bpm)||120);const secondsPerBar=beatSec*4;const marginBar=maxDurationRef.current-secondsPerBar;const rawStart=Math.max(0,Math.min(time-drag.clickOffset,marginBar));const newStart=snapTime(rawStart,snapValueRef.current,bpmRef.current);const itemPx=newStart*zoom;const keepMargin=80;if(itemPx>scrollLeft+rect.width-keepMargin){wrapper.scrollLeft=itemPx-rect.width+keepMargin;setCanvasRedrawCount(n=>n+1);}else if(itemPx<scrollLeft+keepMargin){wrapper.scrollLeft=Math.max(0,itemPx-keepMargin);setCanvasRedrawCount(n=>n+1);}const targetTrackId=hoveredTrackIdRef.current||drag.trackId;updateActiveTracks(prev=>{let movedItem=null;for(let track of prev){// Search all item types for the dragged item
+const sec=(track.sections||[]).find(it=>it.id===drag.itemId);const mid=(track.midiItems||[]).find(it=>it.id===drag.itemId);if(sec||mid){movedItem=sec||mid;break;}}// Build a live map: where does each multi-drag item currently live?
+var currentTrackMap={};if(drag.multiIds){Object.keys(drag.multiIds).forEach(function(mid){var info=drag.multiIds[mid];for(var pi=0;pi<prev.length;pi++){var pt=prev[pi];var foundHere=false;if(info.type==='section')foundHere=(pt.sections||[]).some(function(s){return s.id===mid;});else if(info.type==='midiItem')foundHere=(pt.midiItems||[]).some(function(m){return m.id===mid;});else if(info.type==='clip')foundHere=(pt.clips||[]).some(function(c){return c.id===mid||'default_'+pt.id===mid;});if(foundHere){currentTrackMap[mid]=pt.id;break;}}});}return prev.map(t=>{if(drag.multiIds){var dragOrigStart=drag.multiIds[drag.itemId]?drag.multiIds[drag.itemId].start:0;var delta=newStart-dragOrigStart;var resultSections=(t.sections||[]).slice();var resultMidis=(t.midiItems||[]).slice();var resultClips=(t.clips||[]).slice();var crossTracks=targetTrackId!==drag.trackId;Object.keys(drag.multiIds).forEach(function(mid){var info=drag.multiIds[mid];var newVal=info.start+delta;// Use live currentTrackMap: info.trackId is stale after cross-track moves
+var currentTid=currentTrackMap.hasOwnProperty(mid)?currentTrackMap[mid]:info.trackId;var onCurrentTrack=currentTid===t.id;if(onCurrentTrack){if(!crossTracks||t.id===targetTrackId){// Item is HERE and staying – update position in-place
+if(info.type==='section'){var idx=resultSections.findIndex(function(s){return s.id===mid;});if(idx>=0)resultSections[idx]={...resultSections[idx],start:Math.max(0,newVal)};}else if(info.type==='midiItem'){var idx=resultMidis.findIndex(function(mx){return mx.id===mid;});if(idx>=0)resultMidis[idx]={...resultMidis[idx],startTime:Math.max(0,newVal)};}else if(info.type==='clip'){var idx=resultClips.findIndex(function(cx){return cx.id===mid||'default_'+t.id===mid;});if(idx>=0)resultClips[idx]={...resultClips[idx],startTime:Math.max(0,newVal)};}}else{// Item must leave this track
+if(info.type==='section')resultSections=resultSections.filter(function(s){return s.id!==mid;});else if(info.type==='midiItem')resultMidis=resultMidis.filter(function(mx){return mx.id!==mid;});else if(info.type==='clip'){var cid3='default_'+t.id;resultClips=resultClips.filter(function(cx){return cx.id!==mid&&cx.id!==cid3;});}}}else if(crossTracks&&t.id===targetTrackId){// This IS the target track – filter-then-upsert at new position
+var srcItem=null;for(var pi2=0;pi2<prev.length;pi2++){var tr2=prev[pi2];if(info.type==='section')srcItem=(tr2.sections||[]).find(function(s){return s.id===mid;});else if(info.type==='midiItem')srcItem=(tr2.midiItems||[]).find(function(mx){return mx.id===mid;});else if(info.type==='clip'){var c2=(tr2.clips||[]).find(function(cx){return cx.id===mid||'default_'+tr2.id===mid;});if(c2)srcItem=c2;}if(srcItem)break;}if(srcItem){if(info.type==='section'){resultSections=resultSections.filter(function(s){return s.id!==mid;});resultSections.push({...srcItem,start:Math.max(0,newVal)});}else if(info.type==='midiItem'){resultMidis=resultMidis.filter(function(mx){return mx.id!==mid;});resultMidis.push({...srcItem,startTime:Math.max(0,newVal)});}else if(info.type==='clip'){var cid4='default_'+t.id;resultClips=resultClips.filter(function(cx){return cx.id!==mid&&cx.id!==cid4;});resultClips.push({...srcItem,startTime:Math.max(0,newVal)});}}}// else: item is on another track and we're not crossing → nothing to do
+});return{...t,sections:resultSections,midiItems:resultMidis,clips:resultClips};}const items=drag.itemType==='section'?t.sections||[]:t.midiItems||[];const updatedItems=items.filter(it=>it.id!==drag.itemId);if(t.id===targetTrackId){if(movedItem){updatedItems.push(drag.itemType==='section'?{...movedItem,start:newStart}:{...movedItem,startTime:newStart});}else{if(drag.itemType==='section'){updatedItems.push({id:drag.itemId,name:'Section',start:newStart,duration:4*secondsPerBar,color:'#06b6d4'});}else{updatedItems.push({id:drag.itemId,name:'MIDI Item',startTime:newStart,duration:4*secondsPerBar,notes:[],color:'#a78bfa'});}}}return drag.itemType==='section'?{...t,sections:updatedItems}:{...t,midiItems:updatedItems};});});if(drag.trackId!==targetTrackId){setDraggedSectionItem(prev=>({...prev,trackId:targetTrackId}));}};const handleMouseUp=()=>{const drag=draggedSectionItemRef.current;if(!drag)return;setDraggedSectionItem(null);showToast(`Đã di chuyển ${drag.itemType==='section'?'section':'MIDI item'}.`,'success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,activeTab,sessionTabs]);// ── Pending drag: Ctrl+click toggles selection; mousemove > threshold starts copy-drag ──
 useEffect(()=>{const handleMouseMove=e=>{var pd=pendingDragRef.current;if(!pd)return;var dx=e.clientX-pd.startX;if(Math.abs(dx)>5){var pdSnap=pendingDragRef.current;pendingDragRef.current=null;if(handleSectionItemDragStartRef.current)handleSectionItemDragStartRef.current(pdSnap.trackId,pdSnap.itemType,pdSnap.itemId,pdSnap.clickOffset,true,pdSnap.selectedIds);}};document.addEventListener('mousemove',handleMouseMove);var handleMouseUp=function(){pendingDragRef.current=null;};document.addEventListener('mouseup',handleMouseUp);return function(){document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);pendingDragRef.current=null;};},[]);// ── Document-level mousemove/mouseup for Section/MIDI item resize ──
 useEffect(()=>{const handleMouseMove=e=>{const resize=resizedSectionItemRef.current;if(!resize)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;autoScrollTimeline(e.clientX);const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);updateActiveTracks(prev=>prev.map(t=>{if(t.id!==resize.trackId)return t;const items=resize.itemType==='section'?[...(t.sections||[])]:[...(t.midiItems||[])];const idx=items.findIndex(it=>it.id===resize.itemId);if(idx===-1)return t;const item=items[idx];if(resize.side==='left'){const beatSec=60.0/(parseInt(bpm)||120);const newStart=Math.max(0,Math.min(time,resize.originalStart+resize.originalDuration-0.1));const end=resize.originalStart+resize.originalDuration;const newDuration=end-newStart;if(newDuration<0.1)return t;items[idx]=resize.itemType==='section'?{...item,start:newStart,duration:newDuration}:{...item,startTime:newStart,duration:newDuration};}else{const secondsPerBar=60.0/(parseInt(bpm)||120)*4;const marginBar=maxDurationRef.current-secondsPerBar;const clampedTime=Math.min(time,marginBar);const snappedDuration=snapValueRef.current!=='free'?snapTime(clampedTime-resize.originalStart,snapValueRef.current,bpm):clampedTime-resize.originalStart;const newDuration=Math.max(0.1,snappedDuration);items[idx]={...item,duration:newDuration};}return resize.itemType==='section'?{...t,sections:items}:{...t,midiItems:items};}));setCanvasRedrawCount(n=>n+1);const edgePx=(resize.side==='left'?Math.max(0,time):time)*zoom;const keepMargin=80;if(edgePx>scrollLeft+rect.width-keepMargin){wrapper.scrollLeft=edgePx-rect.width+keepMargin;setCanvasRedrawCount(n=>n+1);}else if(edgePx<scrollLeft+keepMargin){wrapper.scrollLeft=Math.max(0,edgePx-keepMargin);setCanvasRedrawCount(n=>n+1);}};const handleMouseUp=()=>{const resize=resizedSectionItemRef.current;if(!resize)return;setResizedSectionItem(null);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,activeTab,sessionTabs]);// ── Sweep Select mousemove/mouseup ──
-useEffect(()=>{const handleMouseMove=e=>{if(!isSweepingRef.current)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);setSweepSelect(prev=>{var updated=prev?{...prev,endTime:time}:null;sweepSelectRef.current=updated;return updated;});};const handleMouseUp=()=>{if(!isSweepingRef.current)return;isSweepingRef.current=false;sweepTrackIdRef.current=null;const sweep=sweepSelectRef.current;sweepSelectRef.current=null;if(sweep){const start=Math.min(sweep.startTime,sweep.endTime);const end=Math.max(sweep.startTime,sweep.endTime);const curTracks=activeTracksRef.current||[];const found=new Set();curTracks.forEach(t=>{(t.midiItems||[]).forEach(m=>{if(m.startTime<end&&m.startTime+m.duration>start){found.add(m.id);}});(t.sections||[]).forEach(s=>{if(s.start<end&&s.start+s.duration>start){found.add(s.id);}});(t.clips||[]).forEach(c=>{const dur=c.buffer?c.buffer.duration/(c.speed||1.0):4;if(c.startTime<end&&c.startTime+dur>start){const cid=c.id==='default'?'default_'+t.id:c.id;found.add(cid);}});});setSelectedItemIds(found);setSweepSelect(null);sweepTrackIdRef.current=null;}};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);const handleSelectRange=(start,end,reset)=>{const maxLen=maxDuration;const cleanStart=Math.max(0,Math.min(maxLen,start));const cleanEnd=Math.max(0,Math.min(maxLen,end));if(reset){setSelectionStart(cleanStart);setSelectionEnd(cleanEnd);}else{setSelectionEnd(cleanEnd);}// LOOP_EDITOR_2.md §4.2: new selection = enable looping
+useEffect(()=>{const handleMouseMove=e=>{if(!isSweepingRef.current)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);setSweepSelect(prev=>{var updated=prev?{...prev,endTime:time}:null;sweepSelectRef.current=updated;return updated;});};const handleMouseUp=()=>{if(!isSweepingRef.current)return;isSweepingRef.current=false;sweepTrackIdRef.current=null;const sweep=sweepSelectRef.current;sweepSelectRef.current=null;if(sweep){const start=Math.min(sweep.startTime,sweep.endTime);const end=Math.max(sweep.startTime,sweep.endTime);// Small movement (no real drag) → deselect all
+if(Math.abs(end-start)<0.02){setSelectedItemIds(new Set());setSweepSelect(null);return;}// Real drag → toggle items that overlap the marquee
+const curTracks=activeTracksRef.current||[];const found=new Set();curTracks.forEach(t=>{(t.midiItems||[]).forEach(m=>{if(m.startTime<end&&m.startTime+m.duration>start){found.add(m.id);}});(t.sections||[]).forEach(s=>{if(s.start<end&&s.start+s.duration>start){found.add(s.id);}});(t.clips||[]).forEach(c=>{const dur=c.buffer?c.buffer.duration/(c.speed||1.0):4;if(c.startTime<end&&c.startTime+dur>start){const cid=c.id==='default'?'default_'+t.id:c.id;found.add(cid);}});});// Toggle: add unselected, remove already-selected
+setSelectedItemIds(prev=>{const next=new Set(prev);found.forEach(id=>{if(next.has(id))next.delete(id);else next.add(id);});return next;});setSweepSelect(null);sweepTrackIdRef.current=null;}};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);const handleSelectRange=(start,end,reset)=>{const maxLen=maxDuration;const cleanStart=Math.max(0,Math.min(maxLen,start));const cleanEnd=Math.max(0,Math.min(maxLen,end));if(reset){setSelectionStart(cleanStart);setSelectionEnd(cleanEnd);}else{setSelectionEnd(cleanEnd);}// LOOP_EDITOR_2.md §4.2: new selection = enable looping
 setSelectionCleared(false);};const handleSelectionInputChange=(field,val)=>{const numericVal=Math.max(0,parseFloat(val)||0);if(selectionMode==='local'){// Editing local selection directly
 if(field==='start'){setLocalSelectionStart(numericVal);}else{setLocalSelectionEnd(numericVal);}}else{if(field==='start'){setSelectionStart(numericVal);}else{setSelectionEnd(numericVal);}}};const selectionStats=useMemo(()=>{if(selLeft===null||selRight===null){return{start:0,end:0,length:0};}const s=Math.min(selLeft,selRight);const e=Math.max(selLeft,selRight);return{start:parseFloat(s.toFixed(3)),end:parseFloat(e.toFixed(3)),length:parseFloat((e-s).toFixed(3))};},[selLeft,selRight]);// ── Handle Drag (selection resize) ──
 const handleHandleDragStart=(e,side)=>{e.preventDefault();e.stopPropagation();const startX=e.clientX;const useLocal=selectionMode==='local';const currentStart=useLocal?localSelectionStart:selectionStart;const currentEnd=useLocal?localSelectionEnd:selectionEnd;const initialLeft=Math.min(currentStart,currentEnd);const initialRight=Math.max(currentStart,currentEnd);const setStart=useLocal?setLocalSelectionStart:setSelectionStart;const setEnd=useLocal?setLocalSelectionEnd:setSelectionEnd;const handleMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const deltaSec=deltaX/zoom;if(side==='left'){const newLeft=Math.max(0,Math.min(initialRight-0.05,initialLeft+deltaSec));setStart(newLeft);setEnd(initialRight);}else{const newRight=Math.max(initialLeft+0.05,Math.min(maxDuration,initialRight+deltaSec));setStart(initialLeft);setEnd(newRight);}};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const handleSelectionBodyDragStart=e=>{e.preventDefault();e.stopPropagation();const startX=e.clientX;const useLocal=selectionMode==='local';const currentStart=useLocal?localSelectionStart:selectionStart;const currentEnd=useLocal?localSelectionEnd:selectionEnd;const initialLeft=Math.min(currentStart,currentEnd);const initialRight=Math.max(currentStart,currentEnd);const widthSec=initialRight-initialLeft;const setStart=useLocal?setLocalSelectionStart:setSelectionStart;const setEnd=useLocal?setLocalSelectionEnd:setSelectionEnd;const handleMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const deltaSec=deltaX/zoom;let newLeft=initialLeft+deltaSec;let newRight=initialRight+deltaSec;if(newLeft<0){newLeft=0;newRight=widthSec;}if(newRight>maxDuration){newRight=maxDuration;newLeft=maxDuration-widthSec;}setStart(newLeft);setEnd(newRight);};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};// ── Track Controls ──
@@ -407,15 +424,17 @@ let loopEnd=Math.max(loopStart+barDuration,nearestBarEnd);if(loopEnd>rawEnd+beat
 const snapLoopStart=findZeroCrossing(buffer,loopStart);const snapLoopEnd=findZeroCrossing(buffer,loopEnd);// Place markers for the loop points
 setTracks(prev=>prev.map(t=>{if(t.id!==activeTrack.id)return t;const existingMarkers=t.markers||[];const filtered=existingMarkers.filter(m=>!m.id.startsWith('ai_loop_'));return{...t,markers:[...filtered,{id:'ai_loop_start_'+Date.now(),time:snapLoopStart,label:'Loop Start (Bar '+(Math.floor(snapLoopStart/barDuration)+1)+')',color:'#06b6d4'},{id:'ai_loop_end_'+Date.now(),time:snapLoopEnd,label:'Loop End (Beat 4)',color:'#a855f7'}]};}));setSelectionStart(snapLoopStart);setSelectionEnd(snapLoopEnd);const startSample=Math.max(0,Math.min(dataLen-1,Math.floor(snapLoopStart*sampleRate)));const endSample=Math.max(0,Math.min(dataLen,Math.floor(snapLoopEnd*sampleRate)));const sliceLength=endSample-startSample;if(sliceLength<=0){showToast("Dải cắt không hợp lệ hoặc khoảng thời gian quá ngắn.","error");setAnalysisState({status:'Thất bại',data:null,isRunning:false});return;}const context=getAudioContext();const numChannels=buffer.numberOfChannels||1;const slicedBuffer=context.createBuffer(numChannels,sliceLength,sampleRate);for(let c=0;c<numChannels;c++){const srcData=buffer.getChannelData(c);const dstData=slicedBuffer.getChannelData(c);dstData.set(srcData.subarray(startSample,endSample));}const newId='track_ai_cut_'+Date.now();const colors=['#0f766e','#1d4ed8','#701a75','#a21caf','#b45309'];const selectColor=colors[tracks.length%colors.length];const barNum=Math.floor(snapLoopStart/barDuration)+1;const barsCount=Math.max(1,Math.round((snapLoopEnd-snapLoopStart)/barDuration));const newTrack={id:newId,name:`Loop_${barNum}bar_${activeTrack.name.replace('.wav','').slice(0,10)}_${snapLoopStart.toFixed(1)}s.wav`,buffer:slicedBuffer,channelInfo:activeTrack.channelInfo?{...activeTrack.channelInfo}:null,startTime:snapLoopStart,clips:[{id:'clip_'+newId,buffer:slicedBuffer,startTime:snapLoopStart,name:`Loop_${barNum}bar_${snapLoopStart.toFixed(1)}s`}],volumeDb:0,pan:0,muted:false,solo:false,color:selectColor,markers:[{id:Date.now()+'_s',time:0},{id:Date.now()+'_e',time:snapLoopEnd-snapLoopStart}],serverFileId:null};setTracks(prev=>{const idx=prev.findIndex(t=>t.id===selectedTrackId);const updated=[...prev];if(idx!==-1){updated.splice(idx+1,0,newTrack);}else{updated.push(newTrack);}return updated;});setSelectedTrackId(newId);setAnalysisState({status:`AI Cut: ${detectedBPM} BPM, ${barsCount} bars loop (Zero-Crossing aligned)`,data:{bpm:detectedBPM,bars:barsCount,timeSig:'4/4'},isRunning:false});showToast(`AI Cut: ${barsCount} bars loop at ${snapLoopStart.toFixed(3)}s - ${snapLoopEnd.toFixed(3)}s [${detectedBPM} BPM]`,"success");setTimeout(()=>lucide.createIcons(),200);}catch(err){showToast("Lỗi khi AI Cut: "+err.message,"error");setAnalysisState({status:'Lỗi AI Cut',data:null,isRunning:false});}},800);};// ── AI Prompt Send to Active Provider ──
 const handleAISend=async()=>{const prompt=aiPrompt.trim();if(!prompt){showToast('Vui lòng nhập nội dung prompt.','warning');return;}// Check if piano roll tab is active → route prompt to MIDI generation
-const activePianoRoll=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(activePianoRoll){setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI cho Piano Roll...`,time:Date.now()}]);try{if(aiProviders.length===0||!selectedProviderId){try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers&&data.providers.length>0){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Provider: ${provider.name||'default'} | Model: ${model}`,time:Date.now()}]);const result=await window.AIGateway.executeAIPrompt({prompt:'Generate MIDI notes for a piano roll. Return ONLY a JSON array: [{pitch(0-127), start_beat, duration_beats, velocity(0.0-1.0)}]. '+prompt,provider:provider.name||'default',model:model,apiKey:apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),systemInstruction:'You are a MIDI composer. Output ONLY valid JSON array of notes. No markdown, no explanation. Use 4/4 time. pitch=C4=60, D4=62, E4=64, F4=65, G4=67, A4=69, B4=71, C5=72.'});if(!result)throw new Error('AI không phản hồi');let notesData=null;const textResp=result.textResponse||result.text||'';if(textResp&&typeof textResp==='string'){try{const cleaned=textResp.replace(/```json?\s*/g,'').replace(/```/g,'').trim();notesData=JSON.parse(cleaned);}catch(e1){console.error('Parse notes error:',e1);}}if(!notesData&&result.functionCalls){for(const fc of result.functionCalls){if(fc.arguments&&fc.arguments.notes){notesData=fc.arguments.notes;break;}}}if(Array.isArray(notesData)&&notesData.length>0){const newNotes=notesData.map((n,i)=>({id:'note_ai_'+Date.now()+'_'+i,pitch:Math.max(0,Math.min(127,n.pitch||60)),start_beat:Math.max(0,parseFloat(n.start_beat)||0),duration_beats:Math.max(0.125,parseFloat(n.duration_beats)||0.25),velocity:Math.max(0.1,Math.min(1.0,n.velocity??0.8)),pan:0.0}));setSubTabs(prev=>prev.map(s=>s.id===activePianoRoll.id?{...s,notes:[...(s.notes||[]),...newNotes],isDirty:true}:s));setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ Đã thêm ${newNotes.length} notes vào Piano Roll`,time:Date.now()}]);setCanvasRedrawCount(n=>n+1);}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ AI không trả về notes hợp lệ.`,time:Date.now()}]);}}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ Lỗi: ${err.message}`,time:Date.now()}]);}setAiProcessing(false);return;}if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentSelectedTrackId=selectedTrackId;window.DAWCommandDispatcher.currentTracks=activeTracks;window.DAWCommandDispatcher.lastCutSourceTrackId=null;window.DAWCommandDispatcher.lastCutNewTrackId=null;}setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI...`,time:Date.now()}]);try{if(aiProviders.length===0||!selectedProviderId){try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers&&data.providers.length>0){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Provider: ${provider.name||'default'} | Model: ${model} | URL: ${baseUrl.slice(0,40)}`,time:Date.now()}]);const dawContext=window.AIGateway.buildAIPromptContext({tracks:activeTracks,bpm,selectedTrackId,currentTime,selLeft,selRight});let matchedInstruction='';try{const localPresets=localStorage.getItem('daw_ai_prompt_presets');const presets=localPresets?JSON.parse(localPresets):DEFAULT_PRESETS;const matched=presets.find(p=>p.keywords.some(kw=>prompt.toLowerCase().includes(kw.toLowerCase())));if(matched){matchedInstruction=matched.system_instruction_template;setAiActionLog(prev=>[...prev,{type:'status',text:` 🎯 Khớp Preset: "${matched.name}". Tự động tối ưu gợi ý...`,time:Date.now()}]);}}catch(e){console.error("Lỗi khi tìm preset:",e);}const result=await window.AIGateway.executeAIPrompt({prompt:prompt,provider:provider.name||'default',model:model,apiKey:apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),dawContext,tools:window.AIGateway.DEFAULT_TOOLS,systemInstruction:matchedInstruction});const hasText=!!result.textResponse;const hasCalls=result.functionCalls&&result.functionCalls.length>0;if(hasText){setAiActionLog(prev=>[...prev,{type:'status',text:` AI: ${result.textResponse.slice(0,500)}`,time:Date.now()}]);}if(hasCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi ${result.functionCalls.length} lệnh...`,time:Date.now()}]);if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=true;}try{for(const fc of result.functionCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi lệnh: ${fc.name}(${JSON.stringify(fc.arguments)})`,time:Date.now()}]);const cmdName=fc.name.toUpperCase();if(window.DAWCommandDispatcher){try{let cmdResult=window.DAWCommandDispatcher.execute(cmdName,fc.arguments);if(cmdResult&&typeof cmdResult.then==='function')cmdResult=await cmdResult;setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ ${fc.name}: ${cmdResult&&cmdResult.success?'thành công':'thất bại: '+(cmdResult&&cmdResult.error||'unknown')}`,time:Date.now()}]);}catch(cmdErr){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: ${cmdErr.message}`,time:Date.now()}]);}}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: DAWCommandDispatcher not available`,time:Date.now()}]);}}}finally{if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=false;}}}if(!hasText&&!hasCalls){const rawKeys=result.raw?Object.keys(result.raw).join(', '):'null';const errDetail=result.raw&&result.raw.error?` (${result.raw.error.message||result.raw.error})`:'';setAiActionLog(prev=>[...prev,{type:'error',text:` AI không trả về lệnh hoặc text. Keys: [${rawKeys}]${errDetail}`,time:Date.now()}]);}if(prompt){promptHistRef.current=[...promptHistRef.current.slice(-49),prompt];setPromptHistory(promptHistRef.current);}setPromptHistIdx(-1);setAiActionLog(prev=>[...prev,{type:'status',text:` Hoàn tất.`,time:Date.now()}]);setAiPrompt('');setTimeout(()=>lucide.createIcons(),200);}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` Lỗi: ${err.message}`,time:Date.now()}]);showToast(`AI Error: ${err.message}`,'error');}finally{setAiProcessing(false);}};// ── Split Track at Playhead ──
-const handleSplitTrackAtTime=(trackId,clipId,time)=>{const track=tracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const targetClipId=clipId||clips.find(c=>time>=c.startTime&&time<c.startTime+c.buffer.duration)?.id;if(!targetClipId)return;const clip=clips.find(c=>c.id===targetClipId);if(!clip||!clip.buffer)return;const relTime=Math.max(0,time-clip.startTime);const sr=clip.buffer.sampleRate;const cutSample=Math.floor(relTime*sr);const originalData=clip.buffer.getChannelData(0);if(cutSample<=0||cutSample>=originalData.length){showToast("Vị trí cắt nằm ngoài dải âm thanh của clip.","warning");return;}const beforeSnap=captureTrackSnapshot(trackId);const ctx=getAudioContext();const b1=ctx.createBuffer(1,cutSample,sr);b1.copyToChannel(originalData.subarray(0,cutSample),0);const b2=ctx.createBuffer(1,originalData.length-cutSample,sr);b2.copyToChannel(originalData.subarray(cutSample),0);const clip1={id:'clip_'+Date.now()+'_p1',name:`${clip.name.replace(' (Part 1)','').replace(' (Part 2)','')} (Part 1)`,buffer:b1,startTime:clip.startTime};const clip2={id:'clip_'+Date.now()+'_p2',name:`${clip.name.replace(' (Part 1)','').replace(' (Part 2)','')} (Part 2)`,buffer:b2,startTime:clip.startTime+cutSample/sr};setTracks(prev=>prev.map(t=>{if(t.id===trackId){const remainingClips=clips.filter(c=>c.id!==targetClipId);const updatedClips=[...remainingClips,clip1,clip2];return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer||null,startTime:updatedClips[0]?.startTime||0,name:updatedClips[0]?.name||t.name};}return t;}));setTimeout(()=>{const afterSnap=captureTrackSnapshot(trackId);pushAction('SPLIT_CLIP',trackId,beforeSnap,afterSnap);},50);showToast(`Đã chia nhỏ clip tại ${formatTime(time)}.`,"info");};const handleSplitTrack=trackId=>{handleSplitTrackAtTime(trackId,null,currentTime);};// ── Glue (Merge) Clips on Selected Track ──
+const activePianoRoll=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(activePianoRoll){setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI cho Piano Roll...`,time:Date.now()}]);try{if(aiProviders.length===0||!selectedProviderId){try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers&&data.providers.length>0){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Provider: ${provider.name||'default'} | Model: ${model}`,time:Date.now()}]);let pianoSystemInstruction='You are a MIDI composer. Output ONLY valid JSON array of notes. No markdown, no explanation. Use 4/4 time. pitch=C4=60, D4=62, E4=64, F4=65, G4=67, A4=69, B4=71, C5=72.';try{const mgr=new window.PromptTemplateManager();const match=mgr.matchPreset(prompt);if(match){pianoSystemInstruction=match.preset.system_instruction_template;setAiActionLog(prev=>[...prev,{type:'status',text:` 🎯 Khớp Preset: "${match.preset.name}". Tự động tối ưu gợi ý...`,time:Date.now()}]);}}catch(e){console.error("Lỗi khi tìm preset:",e);}const result=await window.AIGateway.executeAIPrompt({prompt:'Generate MIDI notes for a piano roll. Return ONLY a JSON array: [{pitch(0-127), start_beat, duration_beats, velocity(0.0-1.0)}]. '+prompt,provider:provider.name||'default',model:model,apiKey:apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),systemInstruction:pianoSystemInstruction});if(!result)throw new Error('AI không phản hồi');let notesData=null;const textResp=result.textResponse||result.text||'';if(textResp&&typeof textResp==='string'){try{const cleaned=textResp.replace(/```json?\s*/g,'').replace(/```/g,'').trim();notesData=JSON.parse(cleaned);}catch(e1){console.error('Parse notes error:',e1);}}if(!notesData&&result.functionCalls){for(const fc of result.functionCalls){if(fc.arguments&&fc.arguments.notes){notesData=fc.arguments.notes;break;}}}if(Array.isArray(notesData)&&notesData.length>0){const newNotes=notesData.map((n,i)=>({id:'note_ai_'+Date.now()+'_'+i,pitch:Math.max(0,Math.min(127,n.pitch||60)),start_beat:Math.max(0,parseFloat(n.start_beat)||0),duration_beats:Math.max(0.125,parseFloat(n.duration_beats)||0.25),velocity:Math.max(0.1,Math.min(1.0,n.velocity??0.8)),pan:0.0}));setSubTabs(prev=>prev.map(s=>s.id===activePianoRoll.id?{...s,notes:[...(s.notes||[]),...newNotes],isDirty:true}:s));setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ Đã thêm ${newNotes.length} notes vào Piano Roll`,time:Date.now()}]);setCanvasRedrawCount(n=>n+1);}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ AI không trả về notes hợp lệ.`,time:Date.now()}]);}}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ Lỗi: ${err.message}`,time:Date.now()}]);}setAiProcessing(false);return;}// ── MIDI Rearrange Flow: selected MIDI item → use rearrange tool ──
+if(selectedItemIds&&selectedItemIds.size===1){const selId=selectedItemIds.values().next().value;let isMidiItem=false;let sourceTrackId=null;let sourceItemName=null;for(const t of activeTracks||[]){const found=(t.midiItems||[]).find(m=>m.id===selId);if(found){isMidiItem=true;sourceTrackId=t.id;sourceItemName=found.name;break;}}if(isMidiItem&&window.SonicMidiExtractor){try{setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` 🎯 Phát hiện MIDI item được chọn — chuyển sang chế độ Rearrange...`,time:Date.now()}]);if(aiProviders.length===0||!selectedProviderId){try{const d=await window.SonicAPI.getAIConfigs();if(d&&d.providers&&d.providers.length>0){setAiProviders(d.providers);const a=d.providers.find(p=>p.is_active)||d.providers[0];if(a)setSelectedProviderId(a.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Rearrange Provider: ${provider.name||'default'} | Model: ${model}`,time:Date.now()}]);const srcContext=window.SonicMidiExtractor.extractSelectedMIDIContext(activeTracks||tracks,selId,bpm);setAiActionLog(prev=>[...prev,{type:'info',text:` 📋 Trích xuất ${srcContext.total_notes} notes từ "${srcContext.item_name}" (${srcContext.track_name})`,time:Date.now()}]);if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.rearrangeSourceTrackId=sourceTrackId;window.DAWCommandDispatcher.rearrangeSourceItemName=sourceItemName;}const messages=window.AIGateway.buildRearrangeMessage(prompt,srcContext);const completion=await window.AIGateway.callLLM({provider:provider.name||'default',model,apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),messages,tools:[window.AIGateway.REARRANGE_TOOL_SPEC],toolChoice:'auto'});const functionCalls=window.AIGateway.extractFunctionCalls(completion);if(functionCalls&&functionCalls.length>0){for(const fc of functionCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi lệnh: ${fc.name}(${JSON.stringify(fc.arguments)})`,time:Date.now()}]);const cmdName=fc.name.toUpperCase();if(window.DAWCommandDispatcher){try{let cmdResult=window.DAWCommandDispatcher.execute(cmdName,fc.arguments);if(cmdResult&&typeof cmdResult.then==='function')cmdResult=await cmdResult;setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ ${fc.name}: thành công — ${fc.arguments.rearrange_title||''}`,time:Date.now()}]);}catch(cmdErr){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: ${cmdErr.message}`,time:Date.now()}]);}}}}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ AI không trả về lệnh rearrange hợp lệ.`,time:Date.now()}]);}const textResp=functionCalls.length===0&&completion.choices&&completion.choices[0]&&completion.choices[0].message&&completion.choices[0].message.content;if(textResp){setAiActionLog(prev=>[...prev,{type:'status',text:` AI: ${textResp.slice(0,500)}`,time:Date.now()}]);}if(prompt){promptHistRef.current=[...promptHistRef.current.slice(-49),prompt];setPromptHistory(promptHistRef.current);}setPromptHistIdx(-1);setAiActionLog(prev=>[...prev,{type:'status',text:` Hoàn tất Rearrange.`,time:Date.now()}]);setAiPrompt('');setTimeout(()=>lucide.createIcons(),200);setAiProcessing(false);return;}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` Lỗi Rearrange: ${err.message}`,time:Date.now()}]);showToast(`AI Rearrange Error: ${err.message}`,'error');setAiProcessing(false);return;}}}if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentSelectedTrackId=selectedTrackId;window.DAWCommandDispatcher.currentTracks=activeTracks;window.DAWCommandDispatcher.lastCutSourceTrackId=null;window.DAWCommandDispatcher.lastCutNewTrackId=null;}setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI...`,time:Date.now()}]);try{if(aiProviders.length===0||!selectedProviderId){try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers&&data.providers.length>0){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Provider: ${provider.name||'default'} | Model: ${model} | URL: ${baseUrl.slice(0,40)}`,time:Date.now()}]);const dawContext=window.AIGateway.buildAIPromptContext({tracks:activeTracks,bpm,selectedTrackId,currentTime,selLeft,selRight});let matchedInstruction='';try{const mgr=new window.PromptTemplateManager();const match=mgr.matchPreset(prompt);if(match){matchedInstruction=match.preset.system_instruction_template;setAiActionLog(prev=>[...prev,{type:'status',text:` 🎯 Khớp Preset: "${match.preset.name}". Tự động tối ưu gợi ý...`,time:Date.now()}]);}}catch(e){console.error("Lỗi khi tìm preset:",e);}const result=await window.AIGateway.executeAIPrompt({prompt:prompt,provider:provider.name||'default',model:model,apiKey:apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),dawContext,tools:window.AIGateway.DEFAULT_TOOLS,systemInstruction:matchedInstruction});const hasText=!!result.textResponse;const hasCalls=result.functionCalls&&result.functionCalls.length>0;if(hasText){setAiActionLog(prev=>[...prev,{type:'status',text:` AI: ${result.textResponse.slice(0,500)}`,time:Date.now()}]);}if(hasCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi ${result.functionCalls.length} lệnh...`,time:Date.now()}]);if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=true;}try{for(const fc of result.functionCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi lệnh: ${fc.name}(${JSON.stringify(fc.arguments)})`,time:Date.now()}]);const cmdName=fc.name.toUpperCase();if(window.DAWCommandDispatcher){try{let cmdResult=window.DAWCommandDispatcher.execute(cmdName,fc.arguments);if(cmdResult&&typeof cmdResult.then==='function')cmdResult=await cmdResult;setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ ${fc.name}: ${cmdResult&&cmdResult.success?'thành công':'thất bại: '+(cmdResult&&cmdResult.error||'unknown')}`,time:Date.now()}]);}catch(cmdErr){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: ${cmdErr.message}`,time:Date.now()}]);}}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: DAWCommandDispatcher not available`,time:Date.now()}]);}}}finally{if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=false;}}}if(!hasText&&!hasCalls){const rawKeys=result.raw?Object.keys(result.raw).join(', '):'null';const errDetail=result.raw&&result.raw.error?` (${result.raw.error.message||result.raw.error})`:'';setAiActionLog(prev=>[...prev,{type:'error',text:` AI không trả về lệnh hoặc text. Keys: [${rawKeys}]${errDetail}`,time:Date.now()}]);}if(prompt){promptHistRef.current=[...promptHistRef.current.slice(-49),prompt];setPromptHistory(promptHistRef.current);}setPromptHistIdx(-1);setAiActionLog(prev=>[...prev,{type:'status',text:` Hoàn tất.`,time:Date.now()}]);setAiPrompt('');setTimeout(()=>lucide.createIcons(),200);}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` Lỗi: ${err.message}`,time:Date.now()}]);showToast(`AI Error: ${err.message}`,'error');}finally{setAiProcessing(false);}};// ── Split Track at Playhead ──
+const handleSplitTrackAtTime=(trackId,clipId,time)=>{const track=tracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const targetClipId=clipId||clips.find(c=>time>=c.startTime&&time<c.startTime+c.buffer.duration)?.id;if(!targetClipId)return;const clip=clips.find(c=>c.id===targetClipId);if(!clip||!clip.buffer)return;const relTime=Math.max(0,time-clip.startTime);const sr=clip.buffer.sampleRate;const cutSample=Math.floor(relTime*sr);const originalData=clip.buffer.getChannelData(0);if(cutSample<=0||cutSample>=originalData.length){showToast("Vị trí cắt nằm ngoài dải âm thanh của clip.","warning");return;}const beforeSnap=captureTrackSnapshot(trackId);const ctx=getAudioContext();const b1=ctx.createBuffer(1,cutSample,sr);b1.copyToChannel(originalData.subarray(0,cutSample),0);const b2=ctx.createBuffer(1,originalData.length-cutSample,sr);b2.copyToChannel(originalData.subarray(cutSample),0);const clip1={id:'clip_'+Date.now()+'_p1',name:`${clip.name.replace(' (Part 1)','').replace(' (Part 2)','')} (Part 1)`,buffer:b1,startTime:clip.startTime};const clip2={id:'clip_'+Date.now()+'_p2',name:`${clip.name.replace(' (Part 1)','').replace(' (Part 2)','')} (Part 2)`,buffer:b2,startTime:clip.startTime+cutSample/sr};setTracks(prev=>prev.map(t=>{if(t.id===trackId){const remainingClips=clips.filter(c=>c.id!==targetClipId);const updatedClips=[...remainingClips,clip1,clip2];return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer||null,startTime:updatedClips[0]?.startTime||0,name:updatedClips[0]?.name||t.name};}return t;}));setTimeout(()=>{const afterSnap=captureTrackSnapshot(trackId);pushAction('SPLIT_CLIP',trackId,beforeSnap,afterSnap);},50);showToast(`Đã chia nhỏ clip tại ${formatTime(time)}.`,"info");};const handleSplitTrack=trackId=>{handleSplitTrackAtTime(trackId,null,currentTime);};handleSplitTrackRef.current=handleSplitTrack;// ── Glue (Merge) Clips on Selected Track ──
 const handleGlueTracks=()=>{const track=tracks.find(t=>t.id===selectedTrackId);if(!track){showToast('Vui lòng chọn một track để thực hiện gộp (glue).','warning');return;}const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length<2){showToast('Cần ít nhất 2 clip trên track này để gộp (glue).','warning');return;}const beforeSnap=captureTrackSnapshot(track.id);const ctx=getAudioContext();const sr=clips[0].buffer.sampleRate;let minStart=Infinity;let maxEnd=-Infinity;clips.forEach(c=>{const start=c.startTime||0;const end=start+c.buffer.duration;minStart=Math.min(minStart,start);maxEnd=Math.max(maxEnd,end);});const newDur=maxEnd-minStart;const newBuffer=ctx.createBuffer(1,Math.ceil(newDur*sr),sr);const newData=newBuffer.getChannelData(0);clips.forEach(c=>{const data=c.buffer.getChannelData(0);const offset=Math.floor(((c.startTime||0)-minStart)*sr);for(let i=0;i<data.length;i++){if(offset+i<newData.length){newData[offset+i]+=data[i];}}});let maxPeak=0;for(let i=0;i<newData.length;i++){const abs=Math.abs(newData[i]);if(abs>maxPeak)maxPeak=abs;}if(maxPeak>1.0){for(let i=0;i<newData.length;i++)newData[i]/=maxPeak;}const mergedClip={id:'clip_merged_'+Date.now(),name:`${track.name.replace(' (Part 1)','').replace(' (Part 2)','')} (Glued)`,buffer:newBuffer,startTime:minStart};setTracks(prev=>prev.map(t=>{if(t.id===track.id){return{...t,clips:[mergedClip],buffer:newBuffer,startTime:minStart,name:mergedClip.name};}return t;}));setTimeout(()=>{const afterSnap=captureTrackSnapshot(track.id);pushAction('GLUE',track.id,beforeSnap,afterSnap);},50);showToast(`Đã gộp ${clips.length} clips thành công.`,'success');};// ── DAW Command Registration for AI (28_AI_PANEL.md §1 & §2) ──
 useEffect(()=>{if(typeof window.DAWCommandDispatcher==='undefined')return;const api={createTrack:args=>{const name=args.name||`AI_Track_${Date.now()}`;const type=args.type||'audio';const newId=addNewTrack();if(name&&name!==`AI_Track_${Date.now()}`){updateTrackName(newId,name);}return{success:true,trackId:newId,name};},deleteTrack:args=>{const tid=args.track_id||selectedTrackId;if(!tid)return{success:false,error:'No track_id provided'};deleteTrack(tid);return{success:true,trackId:tid};},addClip:args=>{const trackId=args.track_id||selectedTrackId;const barDur=60/parseInt(bpm||120)*4;let startTime;if(args.start_time!==undefined&&args.start_time!==null)startTime=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)startTime=args.start_bar*barDur;else startTime=currentTime;const track=tracks.find(t=>t.id===trackId);if(!track)return{success:false,error:'Track not found'};const ctx=getAudioContext();const sr=44100;let duration;if(args.duration_seconds!==undefined&&args.duration_seconds!==null)duration=args.duration_seconds;else if(args.length_bars!==undefined&&args.length_bars!==null)duration=args.length_bars*barDur;else duration=2;const buffer=ctx.createBuffer(1,Math.floor(sr*duration),sr);const data=buffer.getChannelData(0);for(let i=0;i<data.length;i++)data[i]=0;const clipId=nextClipId();setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const clips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];return{...t,clips:[...clips,{id:clipId,buffer,startTime,name:args.name||'AI Clip'}],buffer:clips.length>0?clips[0].buffer:buffer,startTime:clips.length>0?clips[0].startTime:startTime,name:clips.length>0?clips[0].name:args.name||t.name};}));return{success:true,clipId,trackId};},removeClip:args=>{const trackId=args.track_id||selectedTrackId;const clipId=args.clip_id;setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const updatedClips=(t.clips||[]).filter(c=>c.id!==clipId);return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer||null,startTime:updatedClips[0]?.startTime||0,name:updatedClips[0]?.name||t.name};}));return{success:true};},setTrackVolume:args=>{const trackId=args.track_id||selectedTrackId;const vol=args.volume_db??args.volume??0;updateTrackVolumeDb(trackId,parseFloat(vol));return{success:true,trackId,volumeDb:vol};},setTrackPan:args=>{const trackId=args.track_id||selectedTrackId;const pan=args.pan??0;updateTrackPan(trackId,parseInt(pan));return{success:true,trackId,pan};},toggleMute:args=>{const trackId=args.track_id||selectedTrackId;toggleTrackMute(trackId);const track=tracks.find(t=>t.id===trackId);return{success:true,trackId,muted:track?track.muted:null};},toggleSolo:args=>{const trackId=args.track_id||selectedTrackId;toggleTrackSoloEvaluate(trackId);const track=tracks.find(t=>t.id===trackId);return{success:true,trackId,solo:track?track.solo:null};},processAudioDsp:args=>{const trackId=args.track_id||selectedTrackId;const action=args.action;const params=args.params||{};const track=tracks.find(t=>t.id===trackId);if(!track||!track.buffer)return{success:false,error:'Track has no audio buffer'};if(action==='normalize'){const channelData=track.buffer.getChannelData(0);let maxVal=0;for(let i=0;i<channelData.length;i++)maxVal=Math.max(maxVal,Math.abs(channelData[i]));if(maxVal>0){const gain=1.0/maxVal;for(let i=0;i<channelData.length;i++)channelData[i]*=gain;}return{success:true,action:'normalize'};}else if(action==='invert_phase'){const channelData=track.buffer.getChannelData(0);for(let i=0;i<channelData.length;i++)channelData[i]*=-1;return{success:true,action:'invert_phase'};}else if(action==='gain'){const gainDb=params.gain_db??0;const scale=Math.pow(10,gainDb/20);const channelData=track.buffer.getChannelData(0);for(let i=0;i<channelData.length;i++)channelData[i]=Math.max(-1,Math.min(1,channelData[i]*scale));return{success:true,action:'gain',gainDb};}else if(action==='pitch_shift'){const semitones=params.semitones??0;const ratio=Math.pow(2,semitones/12);const applyResample=(data,r)=>{const newLen=Math.round(data.length*r);const out=new Float32Array(newLen);for(let i=0;i<newLen;i++){const srcIdx=i/r;const idx0=Math.floor(srcIdx);const idx1=Math.min(idx0+1,data.length-1);const frac=srcIdx-idx0;out[i]=data[idx0]*(1-frac)+data[idx1]*frac;}return out;};const channelData=track.buffer.getChannelData(0);const newData=applyResample(channelData,1/ratio);const ctx=getAudioContext();const newBuffer=ctx.createBuffer(1,newData.length,track.buffer.sampleRate);newBuffer.copyToChannel(newData,0);setTracks(prev=>prev.map(t=>t.id===trackId?{...t,buffer:newBuffer}:t));return{success:true,action:'pitch_shift',semitones};}return{success:false,error:`Unknown action: ${action}`};},renameTrack:args=>{const tid=args.track_id||selectedTrackId;const name=args.name;if(!tid)return{success:false,error:'No track_id provided'};if(!name)return{success:false,error:'No name provided'};updateTrackName(tid,name);return{success:true,trackId:tid,name};},setSelection:args=>{const barDur=60/parseInt(bpm||120)*4;let start,end;if(args.start_time!==undefined&&args.start_time!==null)start=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)start=args.start_bar*barDur;else start=currentTime;if(args.end_time!==undefined&&args.end_time!==null)end=args.end_time;else if(args.length_bars!==undefined&&args.length_bars!==null)end=start+args.length_bars*barDur;else if(args.end_bar!==undefined&&args.end_bar!==null)end=args.end_bar*barDur;else end=start+barDur;clearLocalSelection();setSelectionMode('global');setSelectionStart(start);setSelectionEnd(end);selectionRef.current={start,end};return{success:true,start:parseFloat(start.toFixed(3)),end:parseFloat(end.toFixed(3)),length:parseFloat((end-start).toFixed(3))};},cutAudio:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;const tid=args.track_id||currentSelTrackId;const track=currentTracks.find(t=>t.id===String(tid));if(!track)return{success:false,error:'Track not found'};if(!track.buffer)return{success:false,error:'Track has no audio buffer'};const barDur=60/parseInt(bpm||120)*4;const sel=selectionRef.current;let rawStart,rawEnd;if(args.start_time!==undefined&&args.start_time!==null)rawStart=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)rawStart=args.start_bar*barDur;else if(sel.start!==null)rawStart=sel.start;else rawStart=currentTime;if(args.end_time!==undefined&&args.end_time!==null)rawEnd=args.end_time;else if(args.end_bar!==undefined&&args.end_bar!==null)rawEnd=args.end_bar*barDur;else if(args.length_bars!==undefined&&args.length_bars!==null)rawEnd=rawStart+args.length_bars*barDur;else if(sel.end!==null&&sel.end>rawStart)rawEnd=sel.end;else return{success:false,error:'No end position provided. Provide end_time, end_bar, or length_bars.'};if(rawEnd<=rawStart)return{success:false,error:'End position must be after start position.'};const buffer=track.buffer;const ctx=getAudioContext();const snap=args.snap_silence!==false;const loopStart=snap?findZeroCrossing(buffer,rawStart):rawStart;const loopEnd=snap?findZeroCrossing(buffer,rawEnd):rawEnd;const sampleRate=buffer.sampleRate;const startSample=Math.max(0,Math.min(buffer.length-1,Math.floor(loopStart*sampleRate)));const endSample=Math.max(0,Math.min(buffer.length,Math.floor(loopEnd*sampleRate)));const sliceLength=endSample-startSample;if(sliceLength<=100)return{success:false,error:'Selection too short or invalid'};const numChannels=buffer.numberOfChannels||1;const slicedBuffer=ctx.createBuffer(numChannels,sliceLength,sampleRate);for(let c=0;c<numChannels;c++){const src=buffer.getChannelData(c);const dst=slicedBuffer.getChannelData(c);dst.set(src.subarray(startSample,endSample));}const newId='track_cut_'+Date.now();const colors=['#0f766e','#1d4ed8','#701a75','#a21caf','#b45309'];const color=colors[currentTracks.length%colors.length];const cutName=args.new_track_name||`Cut_${track.name}`;const newTrack={id:newId,name:cutName,buffer:slicedBuffer,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color,markers:[],clips:[{id:'clip_'+newId,buffer:slicedBuffer,startTime:0,name:cutName}],serverFileId:null};const idx=currentTracks.findIndex(t=>t.id===tid);const nextTracks=[...currentTracks];if(idx!==-1){nextTracks.splice(idx+1,0,newTrack);}else{nextTracks.push(newTrack);}if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentTracks=nextTracks;window.DAWCommandDispatcher.currentSelectedTrackId=newId;window.DAWCommandDispatcher.lastCutSourceTrackId=tid;window.DAWCommandDispatcher.lastCutNewTrackId=newId;}setTracks(nextTracks);setSelectedTrackId(newId);selectionRef.current={start:0,end:slicedBuffer.duration};clearLocalSelection();setSelectionMode('global');setSelectionStart(0);setSelectionEnd(slicedBuffer.duration);setTimeout(()=>lucide.createIcons(),200);return{success:true,trackId:newId,trackName:cutName,cutStart:parseFloat(loopStart.toFixed(3)),cutEnd:parseFloat(loopEnd.toFixed(3)),duration:parseFloat(slicedBuffer.duration.toFixed(3))};},scanTrack:args=>{const tid=args.track_id||selectedTrackId;const track=tracks.find(t=>t.id===tid);if(!track)return{success:false,error:'Track not found'};if(!track.buffer)return{success:false,error:'Track has no audio buffer. Load audio first.'};const buffer=track.buffer;const data=buffer.getChannelData(0);const sr=buffer.sampleRate;const channels=buffer.numberOfChannels;const duration=buffer.duration;const totalSamples=buffer.length;const windowSize=Math.min(sr*3,data.length);let detectedBPM=0;if(windowSize>sr){let maxCorr=0;for(let lag=Math.floor(sr*0.3);lag<=Math.floor(sr*2.0);lag++){let corr=0;const step=4;for(let i=0;i<windowSize&&i+lag<data.length;i+=step)corr+=data[i]*data[i+lag];corr/=windowSize/step;if(corr>maxCorr){maxCorr=corr;detectedBPM=60/(lag/sr);}}}detectedBPM=Math.round(Math.min(300,Math.max(30,detectedBPM)));if(args.set_tempo!==false&&detectedBPM>0){setBpm(String(detectedBPM));}const bitDepth=16;const bitrate=Math.round(sr*channels*bitDepth/1000);return{success:true,trackId:tid,trackName:track.name,bpm:detectedBPM,sampleRate:sr,channels,duration:parseFloat(duration.toFixed(3)),totalSamples,bitDepth,bitrateKbps:bitrate,hasAudio:true};},setBpm:args=>{const bpmVal=args.bpm||args.tempo||120;setBpm(String(bpmVal));return{success:true,bpm:bpmVal};},setPlayhead:args=>{const barDur=60/parseInt(bpm||120)*4;let time;if(args.time!==undefined&&args.time!==null)time=args.time;else if(args.bar!==undefined&&args.bar!==null)time=args.bar*barDur;else time=0;handlePlayheadSet(time);return{success:true,time:parseFloat(time.toFixed(3))};},exportAudio:async args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let tid=args.track_id;if(tid&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(tid)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+tid===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){tid=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!tid)tid=currentSelTrackId;const track=tid&&currentTracks.find(t=>t.id===String(tid)||t.id==='track_'+tid);if(!track)return{success:false,error:'No track found'};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0&&(!track.midiItems||track.midiItems.length===0))return{success:false,error:'Track has no audio clips'};const beatsPerSec=parseFloat(bpm||120)/60;const totalDuration=Math.max(clips.length>0?Math.max(...clips.map(c=>(c.startTime||0)+(c.buffer?c.buffer.duration/(c.speed||1.0):0))):0,...(track.midiItems||[]).map(m=>(m.startTime||0)+(m.duration||4)),...(track.sections||[]).map(s=>(s.start||0)+(s.duration||4)));const barDur=60/parseInt(bpm||120)*4;const sel=selectionRef.current;let rawStart,rawEnd;if(args.start_time!==undefined)rawStart=args.start_time;else if(args.start_bar!==undefined)rawStart=args.start_bar*barDur;else if(sel.start!==null)rawStart=sel.start;else rawStart=0;if(args.end_time!==undefined)rawEnd=args.end_time;else if(args.length_bars!==undefined)rawEnd=(rawStart||0)+args.length_bars*barDur;else if(args.end_bar!==undefined)rawEnd=args.end_bar*barDur;else if(sel.end!==null&&sel.end>rawStart)rawEnd=sel.end;else rawEnd=totalDuration;if(rawEnd<=rawStart)return{success:false,error:'Export range is empty or invalid.'};const ctx=getAudioContext();const sr=parseInt(args.sample_rate||'44100');const firstBuffer=clips.find(c=>c.buffer)?.buffer;const numCh=args.channels==='mono'?1:firstBuffer?firstBuffer.numberOfChannels:2;const bd=parseInt(args.bit_depth||'16');const fmt=args.format||'wav';const renderLength=rawEnd-rawStart;const offlineCtx=new OfflineAudioContext(numCh,Math.ceil(sr*renderLength),sr);clips.forEach(clip=>{if(!clip.buffer)return;const clipStart=clip.startTime||0;const clipDuration=clip.buffer.duration/(clip.speed||1.0);const clipEnd=clipStart+clipDuration;if(clipEnd<=rawStart||clipStart>=rawEnd)return;const source=offlineCtx.createBufferSource();source.buffer=clip.buffer;source.playbackRate.value=clip.speed||1.0;source.connect(offlineCtx.destination);if(rawStart<clipStart){const delay=clipStart-rawStart;const playDur=Math.min(clipDuration,rawEnd-clipStart);source.start(delay,0,playDur*(clip.speed||1.0));}else{const offsetInClip=rawStart-clipStart;const playDur=Math.min(clipEnd-rawStart,renderLength);source.start(0,offsetInClip*(clip.speed||1.0),playDur*(clip.speed||1.0));}});const renderedBuffer=await offlineCtx.startRendering();const len=renderedBuffer.length;const bps=bd/8;const hdrSz=44;const fileBuf=new ArrayBuffer(hdrSz+len*bps*numCh);const vw=new DataView(fileBuf);const ws=(off,s)=>{for(let i=0;i<s.length;i++)vw.setUint8(off+i,s.charCodeAt(i));};ws(0,'RIFF');vw.setUint32(4,fileBuf.byteLength-8,true);ws(8,'WAVE');ws(12,'fmt ');vw.setUint32(16,16,true);vw.setUint16(20,1,true);vw.setUint16(22,numCh,true);vw.setUint32(24,sr,true);vw.setUint32(28,sr*bps*numCh,true);vw.setUint16(32,bps*numCh,true);vw.setUint16(34,bd,true);ws(36,'data');vw.setUint32(40,len*bps*numCh,true);let ofs=44;for(let i=0;i<len;i++){for(let ch=0;ch<numCh;ch++){const smp=Math.max(-1,Math.min(1,renderedBuffer.getChannelData(ch)[i]));if(bd===8)vw.setUint8(ofs,Math.floor((smp+1)*127.5));else if(bd===16)vw.setInt16(ofs,Math.floor(smp<0?smp*0x8000:smp*0x7FFF),true);else{const v24=Math.floor(smp<0?smp*0x800000:smp*0x7FFFFF);vw.setUint8(ofs,v24&0xFF);vw.setUint8(ofs+1,v24>>8&0xFF);vw.setUint8(ofs+2,v24>>16&0xFF);}ofs+=bps;}}const blob=new Blob([fileBuf],{type:'audio/wav'});const localUrl=URL.createObjectURL(blob);const targetFilename=`export_${Date.now()}.${fmt}`;const triggerDownload=(downloadUrl,finalFilename)=>{if(window.DAWCommandDispatcher?.isExecutingAI){showToast(`Xuất nhạc thành công (${fmt.toUpperCase()})!`,"success","Tải về",()=>{const a=document.createElement('a');a.href=downloadUrl;a.download=finalFilename;a.click();if(downloadUrl.startsWith('blob:')){URL.revokeObjectURL(downloadUrl);}});}else{const a=document.createElement('a');a.href=downloadUrl;a.download=finalFilename;a.click();showToast("Xuất bản âm thanh hoàn tất!","success");if(downloadUrl.startsWith('blob:')){URL.revokeObjectURL(downloadUrl);}}};if((fmt==='mp3'||fmt==='ogg')&&serverStatus==='connected'){try{const file=new File([blob],`export_ai.wav`,{type:'audio/wav'});const formData=new FormData();formData.append('file',file);const uploadResp=await fetch(`${API_AUDIO}/upload`,{method:'POST',body:formData});if(!uploadResp.ok)throw new Error("Upload failed");const uploadData=await uploadResp.json();const uploadId=uploadData.file_id;const exportResp=await fetch(`${API_AUDIO}/export`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({file_id:uploadId,format:fmt,sample_rate:sr,bit_depth:bd})});if(!exportResp.ok)throw new Error("Export failed");const exportData=await exportResp.json();const result=await pollTaskResult(exportData.task_id,20);if(result.success){const downloadUrl=`${API_AUDIO}/download/${result.output_file_id}`;triggerDownload(downloadUrl,targetFilename);}else{throw new Error(result.error||'Server encoding failed');}}catch(transcodeErr){showToast(`Lỗi chuyển đổi: ${transcodeErr.message}. Tải về dạng WAV thay thế.`,"warning");triggerDownload(localUrl,`export_${Date.now()}.wav`);}}else{const finalFilename=fmt==='wav'?`export_${Date.now()}.wav`:`export_${Date.now()}.wav`;if(fmt!=='wav'){showToast("Đang ngoại tuyến. Tải về định dạng WAV thay thế.","warning");}triggerDownload(localUrl,finalFilename);}return{success:true,trackId:tid,range:parseFloat((rawEnd-rawStart).toFixed(3))+'s',format:fmt,channels:numCh===1?'mono':'stereo'};},selectItem:args=>{if(args.select_all){setSelectedTrackId(null);clearLocalSelection();setSelectionMode('global');setSelectionStart(0);const maxDur=tracks.reduce((max,t)=>{const dur=t.buffer?t.buffer.duration:0;const clips=t.clips||[];const clipMax=clips.reduce((m,c)=>Math.max(m,(c.startTime||0)+(c.buffer?c.buffer.duration:0)),0);return Math.max(max,dur,clipMax);},0);setSelectionEnd(Math.max(maxDur,currentTime+10));return{success:true,selection:'all',duration:parseFloat(Math.max(maxDur,currentTime+10).toFixed(3))};}const tid=args.track_id||selectedTrackId;const track=tracks.find(t=>t.id===tid);if(!track)return{success:false,error:`Track ${tid} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,name:track.name,buffer:track.buffer,startTime:track.startTime||0}]:[];if(args.item_name){const match=clips.find(c=>c.name&&c.name.toLowerCase().includes(args.item_name.toLowerCase()));if(!match)return{success:false,error:`No clip matching "${args.item_name}" on track ${track.name}`};setSelectedTrackId(tid);clearLocalSelection();setSelectionMode('global');const start=match.startTime||0;const end=start+(match.buffer?match.buffer.duration:2);setSelectionStart(start);setSelectionEnd(end);return{success:true,trackId:tid,trackName:track.name,clipId:match.id,clipName:match.name,start:parseFloat(start.toFixed(3)),end:parseFloat(end.toFixed(3))};}setSelectedTrackId(tid);clearLocalSelection();setSelectionMode('global');const trackEnd=track.buffer?track.buffer.duration:clips.length>0?Math.max(...clips.map(c=>(c.startTime||0)+(c.buffer?c.buffer.duration:0))):4;setSelectionStart(0);setSelectionEnd(trackEnd);return{success:true,trackId:tid,trackName:track.name,duration:parseFloat(trackEnd.toFixed(3))};},addMarker:args=>{const trackId=args.track_id||selectedTrackId;const time=args.time??currentTime;const track=tracks.find(t=>t.id===trackId);if(!track)return{success:false,error:'Track not found'};setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,markers:[...(t.markers||[]),{id:'ai_marker_'+Date.now(),time,label:args.label||'AI Marker'}]};}));return{success:true,trackId,time};},fadeIn:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let trackIdRaw=args.track_id;if(trackIdRaw&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(trackIdRaw)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+trackIdRaw===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){trackIdRaw=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!trackIdRaw)trackIdRaw=currentSelTrackId;const track=currentTracks.find(t=>t.id===String(trackIdRaw)||t.id==='track_'+trackIdRaw);if(!track)return{success:false,error:`Track ${trackIdRaw} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0)return{success:false,error:'No clips on track'};let clip=null;if(args.clip_id){clip=clips.find(c=>c.id===args.clip_id);}else if(args.clip_index!==undefined){const idx=parseInt(args.clip_index);const realIdx=idx>0?idx-1:0;clip=clips[realIdx]||clips[0];}else{clip=clips[0];}if(!clip||!clip.buffer)return{success:false,error:'Clip has no audio buffer'};const duration=parseFloat(args.duration_seconds||3);const buffer=clip.buffer;const sr=buffer.sampleRate;const numChannels=buffer.numberOfChannels;const length=buffer.length;const ctx=getAudioContext();const newBuffer=ctx.createBuffer(numChannels,length,sr);for(let c=0;c<numChannels;c++){newBuffer.getChannelData(c).set(buffer.getChannelData(c));}const fadeSamples=Math.min(length,Math.floor(duration*sr));for(let c=0;c<numChannels;c++){const data=newBuffer.getChannelData(c);for(let i=0;i<fadeSamples;i++){const factor=(1-Math.cos(Math.PI*i/fadeSamples))/2;data[i]*=factor;}}const beforeSnap=captureTrackSnapshot(track.id);const nextTracks=currentTracks.map(t=>{if(t.id!==track.id)return t;const existingClips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];const updatedClips=existingClips.map(c=>{if(c.id===clip.id||clip.id.startsWith('default_')&&c.id==='default'){return{...c,buffer:newBuffer};}return c;});const mainBuffer=updatedClips[0]?.buffer||t.buffer;return{...t,clips:updatedClips,buffer:mainBuffer};});if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentTracks=nextTracks;}setTracks(nextTracks);setTimeout(()=>{const afterSnap=captureTrackSnapshot(track.id);pushAction('AI_FADE_IN',track.id,beforeSnap,afterSnap);},50);return{success:true,trackId:track.id,clipId:clip.id,duration_seconds:duration};},fadeOut:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let trackIdRaw=args.track_id;if(trackIdRaw&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(trackIdRaw)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+trackIdRaw===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){trackIdRaw=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!trackIdRaw)trackIdRaw=currentSelTrackId;const track=currentTracks.find(t=>t.id===String(trackIdRaw)||t.id==='track_'+trackIdRaw);if(!track)return{success:false,error:`Track ${trackIdRaw} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0)return{success:false,error:'No clips on track'};let clip=null;if(args.clip_id){clip=clips.find(c=>c.id===args.clip_id);}else if(args.clip_index!==undefined){const idx=parseInt(args.clip_index);const realIdx=idx>0?idx-1:0;clip=clips[realIdx]||clips[0];}else{clip=clips[0];}if(!clip||!clip.buffer)return{success:false,error:'Clip has no audio buffer'};const duration=parseFloat(args.duration_seconds||3);const buffer=clip.buffer;const sr=buffer.sampleRate;const numChannels=buffer.numberOfChannels;const length=buffer.length;const ctx=getAudioContext();const newBuffer=ctx.createBuffer(numChannels,length,sr);for(let c=0;c<numChannels;c++){newBuffer.getChannelData(c).set(buffer.getChannelData(c));}const fadeSamples=Math.min(length,Math.floor(duration*sr));for(let c=0;c<numChannels;c++){const data=newBuffer.getChannelData(c);for(let i=0;i<fadeSamples;i++){const idx=length-fadeSamples+i;const factor=(1+Math.cos(Math.PI*i/fadeSamples))/2;data[idx]*=factor;}}const beforeSnap=captureTrackSnapshot(track.id);const nextTracks=currentTracks.map(t=>{if(t.id!==track.id)return t;const existingClips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];const updatedClips=existingClips.map(c=>{if(c.id===clip.id||clip.id.startsWith('default_')&&c.id==='default'){return{...c,buffer:newBuffer};}return c;});const mainBuffer=updatedClips[0]?.buffer||t.buffer;return{...t,clips:updatedClips,buffer:mainBuffer};});if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentTracks=nextTracks;}setTracks(nextTracks);setTimeout(()=>{const afterSnap=captureTrackSnapshot(track.id);pushAction('AI_FADE_OUT',track.id,beforeSnap,afterSnap);},50);return{success:true,trackId:track.id,clipId:clip.id,duration_seconds:duration};},generateMultitrackMidi:args=>{const{composition_title,bpm:aiBpm,total_bars,tracks:aiTracks}=args;if(aiBpm){setBpm(aiBpm.toString());}const bpmVal=aiBpm||parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;const secondsPerBar=secondsPerBeat*4;const durationSec=total_bars*secondsPerBar;updateActiveTracks(prev=>{let updatedTracks=[...prev];aiTracks.forEach(aiTrack=>{let targetTrack=updatedTracks.find(t=>t.name.toLowerCase()===aiTrack.track_name.toLowerCase());if(!targetTrack){const newId=(updatedTracks.length+1).toString();const colors=['#0f766e','#1d4ed8','#701a75','#a21caf','#b45309'];const selectColor=colors[updatedTracks.length%colors.length];targetTrack={id:newId,name:aiTrack.track_name,type:'MIDI',volumeDb:0,pan:0,muted:false,solo:false,color:selectColor,markers:[],serverFileId:null,clips:[],sections:[],midiItems:[],isArmed:false,monitoringEnabled:true,inputSource:{deviceType:'NONE',deviceId:''}};updatedTracks.push(targetTrack);}// Place MIDI item at current playhead position
-const itemStartTimeSec=currentTime;const newMidiItem={id:'item_ai_'+Date.now()+'_'+Math.random().toString(36).substr(2,5),name:`${composition_title||'AI Theme'} - ${aiTrack.track_name}`,parent_track_id:targetTrack.id,startTime:itemStartTimeSec,duration:durationSec,length_bars:total_bars,notes:aiTrack.notes.map((note,index)=>({id:`note_ai_${Date.now()}_${index}`,pitch:note.pitch,start_beat:note.start_beat,duration_beats:note.duration_beats,velocity:note.velocity||0.8,pan:0.0}))};targetTrack.midiItems=[...(targetTrack.midiItems||[]),newMidiItem];if(aiTrack.soundfont_bank!==undefined&&aiTrack.soundfont_program!==undefined){targetTrack.soundfont_bank=aiTrack.soundfont_bank;targetTrack.soundfont_program=aiTrack.soundfont_program;targetTrack.soundfont_id=aiTrack.soundfont_id||'';const sfEngine={type:'soundfont',plugin_id:aiTrack.soundfont_id?'sf_'+aiTrack.soundfont_id:null,soundfont_bank:aiTrack.soundfont_bank,soundfont_program:aiTrack.soundfont_program,soundfont_id:aiTrack.soundfont_id||''};targetTrack.synth_engine=sfEngine;if(window.SonicSF&&window.SonicSF.applyAITrackInstrument){window.SonicSF.applyAITrackInstrument(aiTrack.soundfont_bank,aiTrack.soundfont_program,sfEngine);}}});return updatedTracks;});showToast(`Đã nạp ${aiTracks.length} tracks MIDI thế hệ AI!`,'success');return{success:true};},createMidiItem:args=>{const trackId=args.track_id||selectedTrackId;if(!trackId)return{success:false,error:'No track_id provided'};const secondsPerBar=60.0/(parseInt(bpm)||120)*4;const startBar=args.start_bar!==undefined?parseFloat(args.start_bar):0;const lengthBars=args.length_bars!==undefined?parseFloat(args.length_bars):4;const midiItem={id:`midi_${Date.now()}_${Math.random().toString(36).substr(2,5)}`,name:'MIDI Item',parent_track_id:trackId,startTime:startBar*secondsPerBar,duration:lengthBars*secondsPerBar,notes:[],color:'#a78bfa'};updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId&&t.id!=='track_'+trackId)return t;return{...t,midiItems:[...(t.midiItems||[]),midiItem]};}));return{success:true,itemId:midiItem.id,trackId};},modifyMidiNotes:args=>{const itemId=args.item_id;if(!itemId)return{success:false,error:'No item_id provided'};const noteNameToMidi=name=>{if(typeof name==='number')return name;if(!name||typeof name!=='string')return 60;const match=name.match(/^([A-Ga-g]#?|b?)(-?\d+)$/);if(!match){const num=parseInt(name);return isNaN(num)?60:num;}const noteNames={'c':0,'c#':1,'db':1,'d':2,'d#':3,'eb':3,'e':4,'f':5,'f#':6,'gb':6,'g':7,'g#':8,'ab':8,'a':9,'a#':10,'bb':10,'b':11};const key=match[1].toLowerCase();const octave=parseInt(match[2]);const base=noteNames[key]!==undefined?noteNames[key]:0;return(octave+1)*12+base;};const newNotes=(args.notes||[]).map((n,index)=>({id:`note_mod_${Date.now()}_${index}`,pitch:noteNameToMidi(n.pitch),start_beat:parseFloat(n.start_time||0),duration_beats:parseFloat(n.duration||1),velocity:n.velocity!==undefined?n.velocity/127.0:0.8,pan:0.0}));updateActiveTracks(prev=>prev.map(t=>{const items=t.midiItems||[];const exists=items.some(m=>m.id===itemId);if(!exists)return t;return{...t,midiItems:items.map(m=>m.id===itemId?{...m,notes:newNotes}:m)};}));return{success:true,itemId};}};window.DAWCommandDispatcher.registerDAWCommands(api);},[tracks,selectedTrackId,currentTime,bpm]);// ── Save AI config to localStorage ──
+const itemStartTimeSec=currentTime;const newMidiItem={id:'item_ai_'+Date.now()+'_'+Math.random().toString(36).substr(2,5),name:`${composition_title||'AI Theme'} - ${aiTrack.track_name}`,parent_track_id:targetTrack.id,startTime:itemStartTimeSec,duration:durationSec,length_bars:total_bars,notes:aiTrack.notes.map((note,index)=>({id:`note_ai_${Date.now()}_${index}`,pitch:note.pitch,start_beat:note.start_beat,duration_beats:note.duration_beats,velocity:note.velocity||0.8,pan:0.0}))};targetTrack.midiItems=[...(targetTrack.midiItems||[]),newMidiItem];if(aiTrack.soundfont_bank!==undefined&&aiTrack.soundfont_program!==undefined){targetTrack.soundfont_bank=aiTrack.soundfont_bank;targetTrack.soundfont_program=aiTrack.soundfont_program;targetTrack.soundfont_id=aiTrack.soundfont_id||'';const sfEngine={type:'soundfont',plugin_id:aiTrack.soundfont_id?'sf_'+aiTrack.soundfont_id:null,soundfont_bank:aiTrack.soundfont_bank,soundfont_program:aiTrack.soundfont_program,soundfont_id:aiTrack.soundfont_id||''};targetTrack.synth_engine=sfEngine;if(window.SonicSF&&window.SonicSF.applyAITrackInstrument){window.SonicSF.applyAITrackInstrument(aiTrack.soundfont_bank,aiTrack.soundfont_program,sfEngine);}}});return updatedTracks;});showToast(`Đã nạp ${aiTracks.length} tracks MIDI thế hệ AI!`,'success');return{success:true};},rearrangeMidiMelody:args=>{const{rearrange_title,rearranged_notes,soundfont_id,soundfont_bank,soundfont_program}=args;if(!rearranged_notes||rearranged_notes.length===0){return{success:false,error:'No rearranged notes provided'};}const sourceTrackId=window.DAWCommandDispatcher?.rearrangeSourceTrackId||selectedTrackId;const sourceItemName=window.DAWCommandDispatcher?.rearrangeSourceItemName||'Source';const bpmVal=parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;const secondsPerBar=secondsPerBeat*4;const totalBeats=rearranged_notes.reduce((max,n)=>Math.max(max,(n.start_beat||0)+(n.duration_beats||1)),0);const totalBars=Math.max(1,Math.ceil(totalBeats/4));const durationSec=totalBars*secondsPerBar;updateActiveTracks(prev=>{let updatedTracks=[...prev];// Find source track index to insert new track right after it
+const sourceIdx=sourceTrackId?updatedTracks.findIndex(t=>t.id===sourceTrackId||t.id==='track_'+sourceTrackId):-1;const insertIdx=sourceIdx>=0?sourceIdx+1:updatedTracks.length;const newId=(updatedTracks.length+1).toString();const colors=['#0f766e','#1d4ed8','#701a75','#a21caf','#b45309'];const newTrack={id:newId,name:`[AI Rearrange] ${rearrange_title||'Variation'}`,type:'MIDI',volumeDb:0,pan:0,muted:false,solo:false,color:colors[insertIdx%colors.length],markers:[],serverFileId:null,clips:[],sections:[],midiItems:[{id:'item_rearr_'+Date.now()+'_'+Math.random().toString(36).substr(2,5),name:`[AI] ${rearrange_title||'Rearranged'} - var`,parent_track_id:newId,startTime:currentTime,duration:durationSec,length_bars:totalBars,notes:rearranged_notes.map((n,i)=>({id:`note_rearr_${Date.now()}_${i}`,pitch:Math.max(0,Math.min(127,n.pitch||60)),start_beat:Math.max(0,parseFloat(n.start_beat)||0),duration_beats:Math.max(0.125,parseFloat(n.duration_beats)||0.25),velocity:Math.max(0.1,Math.min(1.0,n.velocity??0.8)),pan:0.0}))}]};if(soundfont_id||soundfont_bank!==undefined&&soundfont_program!==undefined){newTrack.soundfont_id=soundfont_id||'';newTrack.soundfont_bank=soundfont_bank??0;newTrack.soundfont_program=soundfont_program??0;newTrack.synth_engine={type:'soundfont',plugin_id:soundfont_id?'sf_'+soundfont_id:null,soundfont_bank:soundfont_bank??0,soundfont_program:soundfont_program??0,soundfont_id:soundfont_id||''};}updatedTracks.splice(insertIdx,0,newTrack);return updatedTracks;});showToast(`✅ AI Rearrange: "${rearrange_title}" — ${rearranged_notes.length} notes`,'success');return{success:true,trackId:newId,totalBars};},createMidiItem:args=>{const trackId=args.track_id||selectedTrackId;if(!trackId)return{success:false,error:'No track_id provided'};const secondsPerBar=60.0/(parseInt(bpm)||120)*4;const startBar=args.start_bar!==undefined?parseFloat(args.start_bar):0;const lengthBars=args.length_bars!==undefined?parseFloat(args.length_bars):4;const midiItem={id:`midi_${Date.now()}_${Math.random().toString(36).substr(2,5)}`,name:'MIDI Item',parent_track_id:trackId,startTime:startBar*secondsPerBar,duration:lengthBars*secondsPerBar,notes:[],color:'#a78bfa'};updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId&&t.id!=='track_'+trackId)return t;return{...t,midiItems:[...(t.midiItems||[]),midiItem]};}));return{success:true,itemId:midiItem.id,trackId};},modifyMidiNotes:args=>{const itemId=args.item_id;if(!itemId)return{success:false,error:'No item_id provided'};const noteNameToMidi=name=>{if(typeof name==='number')return name;if(!name||typeof name!=='string')return 60;const match=name.match(/^([A-Ga-g]#?|b?)(-?\d+)$/);if(!match){const num=parseInt(name);return isNaN(num)?60:num;}const noteNames={'c':0,'c#':1,'db':1,'d':2,'d#':3,'eb':3,'e':4,'f':5,'f#':6,'gb':6,'g':7,'g#':8,'ab':8,'a':9,'a#':10,'bb':10,'b':11};const key=match[1].toLowerCase();const octave=parseInt(match[2]);const base=noteNames[key]!==undefined?noteNames[key]:0;return(octave+1)*12+base;};const newNotes=(args.notes||[]).map((n,index)=>({id:`note_mod_${Date.now()}_${index}`,pitch:noteNameToMidi(n.pitch),start_beat:parseFloat(n.start_time||0),duration_beats:parseFloat(n.duration||1),velocity:n.velocity!==undefined?n.velocity/127.0:0.8,pan:0.0}));updateActiveTracks(prev=>prev.map(t=>{const items=t.midiItems||[];const exists=items.some(m=>m.id===itemId);if(!exists)return t;return{...t,midiItems:items.map(m=>m.id===itemId?{...m,notes:newNotes}:m)};}));return{success:true,itemId};}};window.DAWCommandDispatcher.registerDAWCommands(api);},[tracks,selectedTrackId,currentTime,bpm]);// ── Save AI config to localStorage ──
 useEffect(()=>{localStorage.setItem('ai_base_url',aiConfig.baseUrl);localStorage.setItem('ai_api_key',aiConfig.apiKey);localStorage.setItem('ai_model',aiConfig.model);},[aiConfig]);// ── Auto-save user preferences (panel state, provider) ──
 const prefsRef=useRef({});prefsRef.current={showAIPanel,showExportPanel,showSelectionPanel,showPythonToolsPanel,showMediaExplorer,showFxRack,showMidiEvents,panelPositions,rightSidebarWidth,mediaExplorerHeight,selectedProviderId};useEffect(()=>{const prefs=prefsRef.current;localStorage.setItem('sonic_preferences',JSON.stringify(prefs));if(!currentUser||currentUser==='cached')return;const timer=setTimeout(async()=>{try{await window.SonicAPI.savePreferences(prefs);}catch(e){}},2000);return()=>clearTimeout(timer);},[showAIPanel,showExportPanel,showSelectionPanel,showPythonToolsPanel,showMediaExplorer,showFxRack,showMidiEvents,panelPositions,rightSidebarWidth,mediaExplorerHeight,selectedProviderId,currentUser]);return/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{className:"h-full w-full flex flex-col bg-[#1e1e1e]"},/*#__PURE__*/React.createElement("header",{className:"h-9 bg-[#2e2e2e] border-b border-[#181818] flex items-center px-1 shrink-0 select-none"},[{label:'File',items:[{label:'New Project',icon:'file-plus',shortcut:'Ctrl+N',action:()=>{setTracks([{id:'1',name:'Track 01',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#0f766e',markers:[],serverFileId:null,clips:[],sections:[],midiItems:[]},{id:'2',name:'Track 02',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#1d4ed8',markers:[],serverFileId:null,clips:[],sections:[],midiItems:[]}]);setSelectedTrackId('1');setProjectName('');setCurrentProjectId(null);localStorage.removeItem('sonic_project_name');localStorage.removeItem('sonic_project_id');showToast('New project created','info');}},{label:'Open Project...',icon:'folder-open',shortcut:'Ctrl+O',action:()=>handleImportSFS()},{label:'Save Project',icon:'upload-cloud',shortcut:'Ctrl+S',action:()=>handleSaveProject()},{label:'Save As...',icon:'download',shortcut:'Ctrl+Alt+S',action:()=>setSaveAsModalOpen(true)},{sep:true},{label:'Config AI Providers...',icon:'settings',action:()=>setAiConfigModalOpen(true)},{label:'Import Audio...',icon:'file-input',shortcut:'Ctrl+Alt+I',action:()=>{const input=document.createElement('input');input.type='file';input.accept='audio/*';input.onchange=async e=>{if(e.target.files[0]){addNewTrack();const newId=(tracks.length+1).toString();setTimeout(()=>loadFileOnTrack(newId,e.target.files[0]),100);}};input.click();showToast('Import audio','info');}},{label:'Export Mix...',icon:'file-output',action:()=>triggerWavExport()},{label:'Export MIDI...',icon:'music',action:()=>triggerMidiExport()},{sep:true},...(currentUser?[{label:'Profile',icon:'user',action:()=>setProfileModalOpen(true)}]:[]),...(currentUser&&currentUser.role==='admin'?[{label:'System Manager',icon:'settings',action:()=>setSystemManagerModalOpen(true)}]:[]),{label:'Logout',icon:'log-out',action:()=>handleLogout()}]},{label:'Edit',items:[{label:'Insert New Track',icon:'plus',shortcut:'Ctrl+I',action:addNewTrack},{label:'Insert Music to Track',icon:'music',shortcut:'Ctrl+Alt+I',action:()=>showToast('Select music file to insert','info')},{sep:true},{label:'Edit in New Tab',icon:'file-edit',shortcut:'Ctrl+E',action:()=>openTempTab()},{label:'Split at Playhead',icon:'scissors',shortcut:'S',action:()=>handleSplitTrack(selectedTrackId)},{label:'Merge Tracks',icon:'combine',shortcut:'Ctrl+M',action:()=>{handleMergeTracks();}},{sep:true},{label:'Undo',icon:'undo',shortcut:'Ctrl+Z',action:()=>{handleUndo();}},{label:'Redo',icon:'redo',shortcut:'Ctrl+Y',action:()=>{handleRedo();}},{sep:true},{label:'Copy',icon:'copy',shortcut:'Ctrl+C',action:()=>{handleCopyTrack();}},{label:'Cut',icon:'scissors',shortcut:'Ctrl+X',action:()=>{handleCutTrack();}},{label:'Paste',icon:'clipboard',shortcut:'Ctrl+V',action:handlePasteTrack},{sep:true},{label:'Delete Track',icon:'trash-2',shortcut:'Del',action:()=>{handleDeleteTrack();}}]},{label:'Insert',items:[...(!sessionTabs.some(s=>s.id===activeTab)?[{label:'Insert Section',icon:'folder-plus',action:insertSectionAtPlayhead}]:[]),{label:'Insert MIDI item',icon:'music',action:insertMidiItemAtPlayhead},{label:'Insert sound clip',icon:'file-input',action:insertSoundClipAtCursor},{label:'Insert track',icon:'plus',action:insertTrackBelow}]},{label:'View',items:[{label:'Master Track',icon:'disc',action:()=>showToast('Master track view','info')},{label:'Maker View',icon:'layout',action:()=>showToast('Maker view','info')},{label:'Mixer',icon:'sliders',action:()=>showToast('Mixer panel','info')},{label:'Tempo Track',icon:'timer',action:()=>showToast('Tempo track','info')},{label:'Video',icon:'film',action:()=>showToast('Video panel','info')},{label:'Media Explorer',icon:'folder-search',action:()=>showToast('Media explorer','info')}]},{label:'Tools',items:[{label:'Config AI Providers...',icon:'settings',action:()=>setAiConfigModalOpen(true)},{label:'AI MIDI Preset Manager...',icon:'sliders',action:()=>setAiPresetModalOpen(true)},{label:'DSP Tools Panel',icon:'wrench',action:()=>openPanel('python_tools')},{sep:true},{label:'Plugin Manager (SoundFont/VSTi)',icon:'zap',action:()=>{setPluginManagerModalOpen(true);window.SonicAPI.listPlugins().then(data=>setPluginsData(data)).catch(()=>{});}}]},{label:'Help',items:[{label:'About SonicForge',icon:'info',action:()=>showToast('SonicForge Studio v1.0 - Professional DAW','info')}]}].map(menu=>/*#__PURE__*/React.createElement("div",{key:menu.label,className:"relative"},/*#__PURE__*/React.createElement("button",{onClick:()=>setMenuOpen(menuOpen===menu.label?null:menu.label),className:`px-3 py-1 text-xs font-medium transition rounded ${menuOpen===menu.label?'bg-zinc-700 text-zinc-100':'text-zinc-400 hover:text-zinc-200 hover:bg-zinc-800'}`},menu.label),menuOpen===menu.label&&/*#__PURE__*/React.createElement("div",{className:`absolute top-full left-0 mt-0.5 bg-[#2a2a2a] border border-zinc-700 rounded-lg shadow-2xl py-1 z-50 ${menu.label==='Edit'?'w-72':'w-64'}`,onClick:()=>setMenuOpen(null)},menu.items.map((item,i)=>item.sep?/*#__PURE__*/React.createElement("div",{key:i,className:"h-px bg-zinc-700 my-1"}):/*#__PURE__*/React.createElement("button",{key:item.label,onClick:e=>{e.stopPropagation();item.action();setMenuOpen(null);},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":item.icon,className:"w-3.5 h-3.5 text-zinc-500 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},item.label),item.shortcut&&/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},item.shortcut)))))),/*#__PURE__*/React.createElement("div",{className:"flex-1"}),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 px-2"},/*#__PURE__*/React.createElement("span",{className:`text-xs font-bold uppercase px-1.5 py-0.5 rounded ${serverStatus==='connected'?'bg-emerald-950 text-emerald-400':serverStatus==='checking'?'bg-amber-950 text-amber-400':'bg-red-950 text-red-400'}`},"Server: ",serverStatus),/*#__PURE__*/React.createElement("button",{onClick:()=>setShowAIConfig(!showAIConfig),className:`px-1.5 py-0.5 rounded text-xs border transition ${showAIConfig?'bg-purple-900 text-purple-200 border-purple-700':'bg-zinc-800 text-zinc-400 border-zinc-700 hover:text-zinc-200'}`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-3 h-3"}))))),menuOpen&&/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-40",onClick:()=>setMenuOpen(null)}),/*#__PURE__*/React.createElement("div",{className:"h-7 bg-[#222] border-b border-zinc-800 flex items-stretch px-2 gap-0.5 shrink-0 overflow-x-auto"},/*#__PURE__*/React.createElement("button",{onClick:()=>setActiveTab('main'),className:`px-3 text-xs font-bold uppercase tracking-wider border-b-2 transition flex items-center gap-1 ${activeTab==='main'?'text-cyan-400 border-cyan-500 bg-zinc-800/50':'text-zinc-500 border-transparent hover:text-zinc-300 hover:bg-zinc-800/30'}`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"layout-dashboard",className:"w-3 h-3"}))," Main Session"),sessionTabs.map(st=>{const isTabActive=activeTab===st.id;const tabColor=st.color||(isTabActive?'#06b6d4':null);const borderStyle=isTabActive?{borderBottomColor:tabColor,color:tabColor}:st.color?{color:st.color,borderBottomColor:'transparent'}:{};return/*#__PURE__*/React.createElement("div",{key:st.id,className:"flex items-stretch"},/*#__PURE__*/React.createElement("button",{onClick:()=>setActiveTab(st.id),onAuxClick:e=>{if(e.button===1){e.preventDefault();closeSessionTab(st.id);}},onContextMenu:e=>{e.preventDefault();setTabContextMenu({x:e.clientX,y:e.clientY,tabId:st.id,tabType:'session'});},style:borderStyle,className:`px-2 text-xs font-medium border-b-2 transition flex items-center gap-1 ${isTabActive?'bg-zinc-800/50':'text-zinc-500 border-transparent hover:text-zinc-300 hover:bg-zinc-800/30'}`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"layers",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"max-w-[120px] truncate"},st.name),st.isDirty&&/*#__PURE__*/React.createElement("span",{className:"w-1.5 h-1.5 rounded-full bg-amber-500 ml-1",title:"Chưa lưu thay đổi"})),/*#__PURE__*/React.createElement("button",{onClick:()=>closeSessionTab(st.id),className:"px-1 text-zinc-600 hover:text-red-400 transition text-xs",title:"Close tab"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}))));}),subTabs.map(st=>{const isTabActive=activeTab===st.id;const tabColor=st.color||(isTabActive?'#f59e0b':null);const borderStyle=isTabActive?{borderBottomColor:tabColor,color:tabColor}:st.color?{color:st.color,borderBottomColor:'transparent'}:{};const iconName=st.type==='PIANO_ROLL'?'music':'file-edit';return/*#__PURE__*/React.createElement("div",{key:st.id,className:"flex items-stretch"},/*#__PURE__*/React.createElement("button",{onClick:()=>setActiveTab(st.id),onAuxClick:e=>{if(e.button===1){e.preventDefault();closeSubTab(st.id);}},onContextMenu:e=>{e.preventDefault();setTabContextMenu({x:e.clientX,y:e.clientY,tabId:st.id,tabType:'sub'});},style:borderStyle,className:`px-2 text-xs font-medium border-b-2 transition flex items-center gap-1 ${isTabActive?'bg-zinc-800/50':'text-zinc-500 border-transparent hover:text-zinc-300 hover:bg-zinc-800/30'}`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":iconName,className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"max-w-[100px] truncate"},st.label),st.isDirty&&/*#__PURE__*/React.createElement("span",{className:"w-1.5 h-1.5 rounded-full bg-amber-500 ml-1",title:"Chưa lưu thay đổi"})),/*#__PURE__*/React.createElement("button",{onClick:()=>closeSubTab(st.id),className:"px-1 text-zinc-600 hover:text-red-400 transition text-xs",title:"Close tab"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}))));})),showAIConfig&&/*#__PURE__*/React.createElement("div",{className:"bg-zinc-900 border-b border-purple-900 p-3 flex flex-col gap-2 transition-all"},/*#__PURE__*/React.createElement("div",{className:"text-xs font-bold text-purple-400 uppercase tracking-wider flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-4 h-4"}))," Cấu hình cổng kết nối API"),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-1 md:grid-cols-3 gap-2 text-xs"},/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500 font-bold uppercase"},"Endpoint Base URL"),/*#__PURE__*/React.createElement("input",{type:"text",value:aiConfig.baseUrl,onChange:e=>setAiConfig(prev=>({...prev,baseUrl:e.target.value})),className:"bg-zinc-850 text-zinc-200 p-1.5 rounded border border-zinc-800 focus:outline-none focus:border-purple-600 font-mono text-xs",placeholder:"https://api.openai.com/v1"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500 font-bold uppercase"},"API Token Key"),/*#__PURE__*/React.createElement("input",{type:"password",value:aiConfig.apiKey,onChange:e=>setAiConfig(prev=>({...prev,apiKey:e.target.value})),className:"bg-zinc-850 text-zinc-200 p-1.5 rounded border border-zinc-800 focus:outline-none focus:border-purple-600 font-mono text-xs",placeholder:"sk-..."})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1"},/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500 font-bold uppercase"},"Model Name"),/*#__PURE__*/React.createElement("input",{type:"text",value:aiConfig.model,onChange:e=>setAiConfig(prev=>({...prev,model:e.target.value})),className:"bg-zinc-850 text-zinc-200 p-1.5 rounded border border-zinc-800 focus:outline-none focus:border-purple-600 font-mono text-xs",placeholder:"gpt-4o-mini"})))),/*#__PURE__*/React.createElement("div",{className:"h-9 bg-[#222] border-b border-zinc-800 flex items-center px-3 gap-2 shrink-0 select-none"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 bg-zinc-900 border border-zinc-700 rounded px-1.5 py-0.5 shadow-lg",title:"Kéo để di chuyển toolbar",style:{cursor:'grab'}},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-0.5 mr-1 text-zinc-600"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>{setActiveTool('select');showToast('Select Tool','info');},className:`w-7 h-7 flex items-center justify-center rounded ${activeTool==='select'?'bg-cyan-700 text-white':'text-zinc-400 hover:text-zinc-200 hover:bg-zinc-800'}`,title:"Select Tool (V)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"mouse-pointer",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>{setActiveTool('grab');showToast('Grab Tool','info');},className:`w-7 h-7 flex items-center justify-center rounded ${activeTool==='grab'?'bg-cyan-700 text-white':'text-zinc-400 hover:text-zinc-200 hover:bg-zinc-800'}`,title:"Grab Tool (H)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"hand",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-0.5 border border-zinc-700 rounded bg-zinc-850 px-0.5"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setActiveTool('razor');showToast('Razor Tool','info');},className:`w-7 h-7 flex items-center justify-center rounded ${activeTool==='razor'?'bg-cyan-700 text-white':'text-zinc-400 hover:text-zinc-200 hover:bg-zinc-800'}`,title:"Razor Tool (C)"},/*#__PURE__*/React.createElement("svg",{className:"w-3.5 h-3.5 text-orange-400",viewBox:"0 0 24 24",fill:"none",stroke:"currentColor",strokeWidth:"2.5",strokeLinecap:"round",strokeLinejoin:"round"},/*#__PURE__*/React.createElement("path",{d:"M6 3h12a2 2 0 0 1 2 2v2a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2z"}),/*#__PURE__*/React.createElement("path",{d:"M4 9h16l-3 9H7z"}),/*#__PURE__*/React.createElement("circle",{cx:"12",cy:"6",r:"1"}))),/*#__PURE__*/React.createElement("button",{onClick:handleGlueTracks,className:"w-7 h-7 flex items-center justify-center rounded text-zinc-400 hover:text-purple-400 hover:bg-zinc-800",title:"Glue Clips"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"link",className:"w-3.5 h-3.5"})))),/*#__PURE__*/React.createElement("button",{onClick:()=>{setActiveTool('pen');showToast('Pen Tool','info');},className:`w-7 h-7 flex items-center justify-center rounded ${activeTool==='pen'?'bg-cyan-700 text-white':'text-zinc-400 hover:text-zinc-200 hover:bg-zinc-800'}`,title:"Pen Tool (P)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"pen-tool",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-5 bg-zinc-700 mx-0.5"}),/*#__PURE__*/React.createElement("button",{onClick:handleCutTrack,className:"w-7 h-7 flex items-center justify-center rounded text-zinc-400 hover:text-red-400 hover:bg-zinc-800",title:"Cut (Ctrl+X)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:handleCopyTrack,className:"w-7 h-7 flex items-center justify-center rounded text-zinc-400 hover:text-blue-400 hover:bg-zinc-800",title:"Copy (Ctrl+C)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"copy",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:handlePasteTrack,className:"w-7 h-7 flex items-center justify-center rounded text-zinc-400 hover:text-emerald-400 hover:bg-zinc-800",title:"Paste (Ctrl+V)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"clipboard",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-5 bg-zinc-700 mx-0.5"}),/*#__PURE__*/React.createElement("button",{onClick:addNewTrack,className:"px-2 py-1 bg-cyan-600 hover:bg-cyan-500 text-white font-semibold rounded text-xs flex items-center gap-1 shadow transition",title:"Thêm Track Mới (Ctrl+I)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-3.5 h-3.5"})),/*#__PURE__*/React.createElement("span",null,"Track")),sessionTabs.some(s=>s.id===activeTab)&&/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-5 bg-zinc-700 mx-0.5"}),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSaveSectionTab(activeTab),className:"px-2 py-1 bg-emerald-600 hover:bg-emerald-500 text-white font-semibold rounded text-xs flex items-center gap-1 shadow transition",title:"Lưu Section vào Main Session"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"save",className:"w-3.5 h-3.5"})),/*#__PURE__*/React.createElement("span",null,"Lưu Section"))),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-5 bg-zinc-700 mx-0.5"}),/*#__PURE__*/React.createElement("button",{onClick:handleUndo,disabled:undoStack.length===0,className:"w-7 h-7 flex items-center justify-center rounded text-zinc-400 hover:text-zinc-200 hover:bg-zinc-800 disabled:opacity-30",title:"Undo (Ctrl+Z)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"undo",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:handleRedo,disabled:redoStack.length===0,className:"w-7 h-7 flex items-center justify-center rounded text-zinc-400 hover:text-zinc-200 hover:bg-zinc-800 disabled:opacity-30",title:"Redo (Ctrl+Y)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"redo",className:"w-3.5 h-3.5"})))),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-5 bg-zinc-800 mx-0.5"}),/*#__PURE__*/React.createElement("button",{onClick:()=>seekPlaybackTo(0),className:"w-7 h-7 flex items-center justify-center bg-zinc-800 hover:bg-zinc-700 text-zinc-200 rounded border border-zinc-700 transition",title:"Quay lại đầu"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"skip-back",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>{const isSubTab=subTabs.some(sub=>sub.id===activeTab);if(isSubTab){const st=subTabs.find(s=>s.id===activeTab);if(!st)return;const left=st.selectionStart!==null&&st.selectionEnd!==null?Math.min(st.selectionStart,st.selectionEnd):null;if(left!==null)seekPlaybackTo(left);}else{if(selLeft!==null)seekPlaybackTo(selLeft);}},className:"w-7 h-7 flex items-center justify-center bg-zinc-800 hover:bg-zinc-700 text-zinc-200 rounded border border-zinc-700 transition",title:"Đầu vùng chọn"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"step-back",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:handlePlayPause,className:`w-7 h-7 flex items-center justify-center rounded border transition ${isPlaying?'bg-emerald-600 text-black border-emerald-500 hover:bg-emerald-500':'bg-cyan-600 text-white border-cyan-500 hover:bg-cyan-500'}`,title:isPlaying?"Tạm dừng":"Play"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":isPlaying?"pause":"play",className:"w-3.5 h-3.5 fill-current"}))),/*#__PURE__*/React.createElement("button",{onClick:handleStop,className:"w-7 h-7 flex items-center justify-center bg-zinc-800 hover:bg-zinc-700 text-zinc-200 rounded border border-zinc-700 transition",title:"Stop"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"square",className:"w-3.5 h-3.5 fill-current"}))),/*#__PURE__*/React.createElement("button",{onClick:handleRecordClick,className:`w-7 h-7 flex items-center justify-center rounded border transition ${recordingState==='RECORDING'?'bg-red-600 text-white border-red-500 hover:bg-red-500 animate-pulse':recordingState==='COUNT_IN'?'bg-amber-500 text-black border-amber-400 hover:bg-amber-400 animate-pulse':'bg-zinc-800 text-red-500 border-zinc-700 hover:bg-zinc-700 hover:text-red-400'}`,title:recordingState==='RECORDING'?"Đang ghi âm...":recordingState==='COUNT_IN'?"Chuẩn bị ghi âm...":"Ghi âm (Record)"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"circle",className:"w-3.5 h-3.5 fill-current"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>{const isSubTab=subTabs.some(sub=>sub.id===activeTab);if(isSubTab){setSubTabs(prev=>prev.map(s=>{if(s.id!==activeTab)return s;const right=s.selectionStart!==null&&s.selectionEnd!==null?Math.max(s.selectionStart,s.selectionEnd):null;return right!==null?{...s,currentTime:right}:s;}));}else{if(selRight!==null)setCurrentTime(selRight);}},className:"w-7 h-7 flex items-center justify-center bg-zinc-800 hover:bg-zinc-700 text-zinc-200 rounded border border-zinc-700 transition",title:"Cuối vùng chọn"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"step-forward",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>{const isSubTab=subTabs.some(sub=>sub.id===activeTab);if(isSubTab){setSubTabs(prev=>prev.map(s=>{if(s.id!==activeTab)return s;const duration=s.buffer?s.buffer.duration/(s.speed||1.0):0;return{...s,currentTime:duration};}));}else{setCurrentTime(maxDuration);}},className:"w-7 h-7 flex items-center justify-center bg-zinc-800 hover:bg-zinc-700 text-zinc-200 rounded border border-zinc-700 transition",title:"Đến cuối"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"skip-forward",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-5 bg-zinc-800 mx-0.5"}),/*#__PURE__*/React.createElement("button",{onClick:()=>{setIsLoopingSelection(prev=>!prev);// Sync loop state with active sub-tab (piano roll / audio editor)
 const activeSub=activeTab&&subTabs.find(s=>s.id===activeTab&&['PIANO_ROLL','AUDIO_CLIP_EDITOR','SECTION_EDITOR'].includes(s.type));if(activeSub){const newLoop=!activeSub.isLooping;setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,isLooping:newLoop}:s));if(newLoop){const bpmVal=parseInt(bpm)||120;const beatSec=60.0/bpmVal;let maxEnd=0;if(activeSub.type==='PIANO_ROLL'){(activeSub.notes||[]).forEach(n=>{const end=(n.start_beat||0)+(n.duration_beats||1);if(end>maxEnd)maxEnd=end;});}else if(activeSub.type==='SECTION_EDITOR'){(activeSub.clips||[]).forEach(c=>{const end=(c.startTime||0)+(c.duration||0);if(end>maxEnd)maxEnd=end;});}else if(activeSub.type==='AUDIO_CLIP_EDITOR'){const dur=activeSub.buffer?.duration||0;if(dur>maxEnd)maxEnd=dur;}const loopEndTime=activeSub.type==='PIANO_ROLL'?Math.max(maxEnd,16)*beatSec+1.0:Math.max(maxEnd,1);setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,selectionStart:0,selectionEnd:loopEndTime}:s));}}else{// Main timeline: auto-derive loop end from tracks
-const bpmVal=parseInt(bpm)||120;const secPerBar=60.0/bpmVal*4;let maxEnd=0;activeTracks.forEach(t=>{(t.clips||[]).forEach(c=>{const end=(c.startTime||0)+(c.duration||0);if(end>maxEnd)maxEnd=end;});(t.items||[]).forEach(it=>{const end=(it.start||0)+(it.duration||4);if(end>maxEnd)maxEnd=end;});});if(maxEnd>0){const loopEnd=maxEnd+secPerBar*2;setSelectionStart(0);setSelectionEnd(loopEnd);}}},className:`w-7 h-7 flex items-center justify-center rounded border transition ${isLoopingSelection?'bg-amber-600 text-black border-amber-500 hover:bg-amber-500':'bg-zinc-800 text-zinc-200 border-zinc-700 hover:bg-zinc-700'}`,title:isLoopingSelection?selLeft!==null&&selRight!==null?"Loop vùng chọn":"Loop timeline":"Bật loop"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"repeat",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500 font-bold uppercase ml-2"},"Snap"),/*#__PURE__*/React.createElement("select",{value:snapValue,onChange:e=>setSnapValue(e.target.value),className:"bg-black text-white text-[14px] px-1.5 py-0.5 rounded border border-zinc-700 focus:outline-none focus:border-cyan-500 font-mono cursor-pointer"},/*#__PURE__*/React.createElement("option",{value:"free"},"Free"),/*#__PURE__*/React.createElement("option",{value:"1"},"1"),/*#__PURE__*/React.createElement("option",{value:"1/2"},"1/2"),/*#__PURE__*/React.createElement("option",{value:"1/4"},"1/4"),/*#__PURE__*/React.createElement("option",{value:"1/8"},"1/8"),/*#__PURE__*/React.createElement("option",{value:"1/16"},"1/16"),/*#__PURE__*/React.createElement("option",{value:"1/32"},"1/32"),/*#__PURE__*/React.createElement("option",{value:"4"},"4")),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-6 bg-zinc-800 mx-1.5"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500 font-bold"},"Bars:"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:beginBar,onChange:e=>{const b=parseInt(e.target.value)||0;setBeginBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;clearLocalSelection();setSelectionMode('global');setSelectionStart(t);setSelectionEnd(t+beatDuration*4);},className:"w-14 bg-black text-white text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"-"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:endBar,onChange:e=>{const b=parseInt(e.target.value)||0;setEndBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;setSelectionEnd(t+beatDuration*4);setNumberBar(b-beginBar+1);},className:"w-14 bg-black text-white text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"#"),/*#__PURE__*/React.createElement("input",{type:"number",min:"1",value:numberBar,readOnly:true,className:"w-14 bg-black text-zinc-400 text-[14px] px-1 py-0.5 rounded border border-zinc-800 text-center font-mono"}),/*#__PURE__*/React.createElement("button",{onClick:()=>setSelectionFollowsTempo(prev=>!prev),className:`px-1.5 py-0.5 text-[14px] rounded border font-bold ${selectionFollowsTempo?'bg-amber-700 text-white border-amber-500':'bg-zinc-800 text-zinc-400 border-zinc-700'}`,title:selectionFollowsTempo?"Selection theo tempo (đổi BPM → selection thay đổi)":"Selection theo thời gian (cố định)"},selectionFollowsTempo?"♪T":"⏱T"),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-6 bg-zinc-800 mx-1.5"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"Start:"),/*#__PURE__*/React.createElement("input",{type:"text",value:selLeft!==null?formatTime(selLeft):'',onChange:e=>{const parts=e.target.value.split(/[:.]/);if(parts.length===3){const secs=parseInt(parts[0])*60+parseInt(parts[1])+parseFloat('0.'+(parts[2]||'0'));clearLocalSelection();setSelectionMode('global');setSelectionStart(secs);}},className:"w-20 bg-black text-zinc-200 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"End:"),/*#__PURE__*/React.createElement("input",{type:"text",value:selRight!==null?formatTime(selRight):'',onChange:e=>{const parts=e.target.value.split(/[:.]/);if(parts.length===3){const secs=parseInt(parts[0])*60+parseInt(parts[1])+parseFloat('0.'+(parts[2]||'0'));setSelectionEnd(secs);}},className:"w-20 bg-black text-zinc-200 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"Len:"),/*#__PURE__*/React.createElement("input",{type:"text",value:selLeft!==null&&selRight!==null?formatTime(Math.abs(selRight-selLeft)):'',onChange:e=>{const parts=e.target.value.split(/[:.]/);if(parts.length===3&&selLeft!==null){const secs=parseInt(parts[0])*60+parseInt(parts[1])+parseFloat('0.'+(parts[2]||'0'));setSelectionEnd(selLeft+secs);}},className:"w-20 bg-black text-amber-300 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("div",{className:"flex-1"}),/*#__PURE__*/React.createElement("div",{className:"text-xs font-bold font-mono text-zinc-100"},formatTime(currentTime))),(()=>{const dockPanels={top:[],right:[],bottom:[],left:[]};const addPanel=(id,pos,visible)=>{if(visible)dockPanels[pos].push(id);};addPanel('export',panelPositions.export,showExportPanel);addPanel('ai',panelPositions.ai,showAIPanel);addPanel('python_tools',panelPositions.python_tools||'bottom',showPythonToolsPanel);addPanel('selection',panelPositions.selection,showSelectionPanel);addPanel('media_explorer','bottom',showMediaExplorer);addPanel('fx_rack',panelPositions.fx_rack||'bottom',showFxRack);addPanel('midi_events',panelPositions.midi_events||'bottom',showMidiEvents);const closePanel=id=>{if(id==='export')setShowExportPanel(false);else if(id==='ai')setShowAIPanel(false);else if(id==='python_tools')setShowPythonToolsPanel(false);else if(id==='selection')setShowSelectionPanel(false);else if(id==='media_explorer')setShowMediaExplorer(false);else if(id==='fx_rack')setShowFxRack(false);else if(id==='midi_events')setShowMidiEvents(false);};const renderPanelContent=panelId=>{const h=id=>e=>{startPanelDrag(id,e);};if(panelId==='export')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('export',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-zinc-200 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"save",className:"w-3.5 h-3.5 text-cyan-400"}))," Export"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('export'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Ngu\u1ed3n"),/*#__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"},"\u0110\u1ecbnh d\u1ea1ng"),/*#__PURE__*/React.createElement("select",{value:exportSettings.format,onChange:e=>setExportSettings(p=>({...p,format:e.target.value,sampleRate:e.target.value==='wav'?'44100':e.target.value==='mp3'?'44100':'44100',bitDepth:e.target.value==='wav'?'16':'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"},/*#__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-2 gap-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"SR (Hz)"),/*#__PURE__*/React.createElement("select",{value:exportSettings.sampleRate,onChange:e=>setExportSettings(p=>({...p,sampleRate:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"22500"},"22500"),/*#__PURE__*/React.createElement("option",{value:"44100"},"44100"))),/*#__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:"8"},"8"),/*#__PURE__*/React.createElement("option",{value:"16"},"16"),/*#__PURE__*/React.createElement("option",{value:"24"},"24")))):/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Ch\u1ea5t l\u01b0\u1ee3ng"),/*#__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("div",{className:"grid grid-cols-2 gap-1"},/*#__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",null)),/*#__PURE__*/React.createElement("button",{onClick:triggerWavExport,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("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"download-cloud",className:"w-3 h-3"})),isExporting?'...':'Export'));if(panelId==='ai')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1.5 flex-1 min-h-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('ai',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-zinc-200 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-3.5 h-3.5 text-purple-400"}))," AI Copilot"),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:()=>setAiPresetModalOpen(true),className:"text-zinc-600 hover:text-zinc-300 mr-0.5",title:"Preset Manager"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3 h-3"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>{setAiActionLog([]);showToast('Đã xoá nhật ký AI.','info');},className:"text-zinc-600 hover:text-zinc-300",title:"Clear log"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"trash-2",className:"w-3 h-3"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('ai'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}))))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5 w-full min-w-0 pb-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-3 h-3 text-purple-400"})),/*#__PURE__*/React.createElement("select",{value:selectedProviderId,onChange:e=>setSelectedProviderId(e.target.value),className:"flex-1 min-w-0 max-w-full bg-[#141414] text-zinc-200 border border-zinc-700 rounded px-1 py-0.5 text-xs font-mono focus:outline-none focus:border-purple-600 truncate"},aiProviders.length===0?/*#__PURE__*/React.createElement("option",{value:""},"Chưa có provider"):aiProviders.map(p=>/*#__PURE__*/React.createElement("option",{key:p.id,value:p.id},p.name,p.is_active?'':' (inactive)')))),/*#__PURE__*/React.createElement("div",{className:"border-t border-zinc-800 pt-1 mt-1 shrink-0"},/*#__PURE__*/React.createElement("button",{onClick:()=>{if(window.DAWCommandDispatcher&&window.DAWCommandDispatcher.undo){const entry=window.DAWCommandDispatcher.undo();if(entry){setAiActionLog(prev=>[...prev,{type:'undo',text:`Undo: ${entry.name}`,time:Date.now()}]);showToast(`Undo AI: ${entry.name}`,'info');}}else{handleUndo();setAiActionLog(prev=>[...prev,{type:'undo',text:'Undo (Ctrl+Z)',time:Date.now()}]);}},className:"w-full text-[10px] text-amber-400 hover:text-amber-300 border border-amber-800 rounded py-0.5"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center justify-center gap-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"rotate-ccw",className:"w-3 h-3"}),"Undo"))),/*#__PURE__*/React.createElement("div",{className:"flex-1 min-h-0 flex flex-col overflow-hidden mt-1"},/*#__PURE__*/React.createElement("div",{className:"text-[10px] font-bold text-zinc-400 uppercase shrink-0 pb-0.5"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center gap-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"list",className:"w-3 h-3"})," Action Log")),/*#__PURE__*/React.createElement("div",{ref:actionLogContainerRef,className:"flex-1 overflow-y-auto no-scrollbar bg-[#0f0f0f] rounded border border-zinc-800 select-text"},aiActionLog.length===0?/*#__PURE__*/React.createElement("div",{className:"text-xs text-zinc-600 italic select-text"},"Chưa có hành động nào."):aiActionLog.map((entry,i)=>/*#__PURE__*/React.createElement("div",{key:i,className:`text-xs font-mono py-0.5 border-b border-zinc-900 last:border-0 ${entry.type==='error'?'text-red-400':entry.type==='status'?'text-zinc-400 italic':entry.type==='undo'?'text-amber-400':'text-zinc-300'}`},new Date(entry.time).toLocaleTimeString(),entry.text)))),/*#__PURE__*/React.createElement("div",{className:"border-t border-zinc-800 pt-1.5 mt-1 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"text-xs font-bold text-zinc-400 uppercase mb-1 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"message-square",className:"w-3 h-3"}))," Copilot Prompt"),/*#__PURE__*/React.createElement("textarea",{value:aiPrompt,onChange:e=>setAiPrompt(e.target.value),placeholder:"Nhập lệnh điều khiển DAW... (VD: Tạo track mới tên Beat, đặt BPM 128)",className:"w-full bg-[#1e1e1e] text-zinc-200 p-1.5 rounded border border-zinc-700 focus:outline-none focus:border-purple-600 font-mono text-xs resize-y",rows:4,onKeyDown:e=>{if(e.key==='Enter'&&!e.shiftKey){e.preventDefault();handleAISend();}else if(e.key==='ArrowUp'&&promptHistRef.current.length>0&&e.target.selectionStart===0){e.preventDefault();const idx=promptHistIdx===-1?promptHistRef.current.length-1:Math.max(0,promptHistIdx-1);setPromptHistIdx(idx);setAiPrompt(promptHistRef.current[idx]);}else if(e.key==='ArrowDown'&&e.target.selectionStart===aiPrompt.length){e.preventDefault();if(promptHistIdx===-1)return;const idx=promptHistIdx+1;if(idx>=promptHistRef.current.length){setPromptHistIdx(-1);setAiPrompt('');}else{setPromptHistIdx(idx);setAiPrompt(promptHistRef.current[idx]);}}}})),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 mt-1 shrink-0"},/*#__PURE__*/React.createElement("button",{onClick:handleAISend,disabled:aiProcessing,className:"flex-1 py-1 bg-purple-700 hover:bg-purple-600 text-white font-bold rounded text-xs border border-purple-500 flex items-center justify-center gap-1"},aiProcessing?'Đang suy luận...':/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"send",className:"w-3 h-3"}))," Gửi")),/*#__PURE__*/React.createElement("button",{onClick:()=>{setAiPrompt('');setAiActionLog([]);},className:"px-2 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-400 rounded text-xs border border-zinc-700"},"Clear")),/*#__PURE__*/React.createElement("div",{className:"text-xs text-zinc-600 shrink-0"},"Enter để gửi nhanh"));if(panelId==='python_tools')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('python_tools',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-amber-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"wrench",className:"w-3.5 h-3.5 text-amber-400"}))," DSP Tools"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('python_tools'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"p-1.5 bg-[#141414] rounded border border-zinc-800 text-[10px] font-mono text-zinc-400 space-y-0.5 leading-relaxed"},dspSelectionStats?[/*#__PURE__*/React.createElement("div",{key:"track"},`Track: ${dspSelectionStats.trackName}`),/*#__PURE__*/React.createElement("div",{key:"range"},`Range: ${dspSelectionStats.timeRange}`),/*#__PURE__*/React.createElement("div",{key:"ch"},`Channels: ${dspSelectionStats.channels}`),/*#__PURE__*/React.createElement("div",{key:"peak"},`Peak Vol: ${dspSelectionStats.peakVolume}`)]:"Chưa chọn track"),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1 text-xs"},/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('normalize'),className:"py-1 bg-amber-950/80 hover:bg-amber-900 text-amber-300 border border-amber-800/80 rounded font-bold flex items-center justify-center gap-1"},"⚡ Peak Norm (0dB)"),/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('invert_phase'),className:"py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-200 border border-zinc-700 rounded font-bold flex items-center justify-center gap-1"},"🔄 Phase Invert"),/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('swap_channels'),className:"py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-200 border border-zinc-700 rounded font-bold flex items-center justify-center gap-1"},"🔀 Swap L/R"),/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('synth_wave'),className:"py-1 bg-teal-950/80 hover:bg-teal-900 text-teal-300 border border-teal-800/80 rounded font-bold flex items-center justify-center gap-1"},"🎹 Gen Synth Tone")));if(panelId==='selection')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('selection',e)},/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500 font-bold uppercase flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"}))," Selection"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('selection'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-1 bg-[#141414] p-1.5 rounded border border-zinc-800"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Start"),/*#__PURE__*/React.createElement("input",{type:"number",step:"0.01",value:selectionStats.start,onChange:e=>handleSelectionInputChange('start',e.target.value),className:"w-full bg-[#242424] text-amber-400 text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"End"),/*#__PURE__*/React.createElement("input",{type:"number",step:"0.01",value:selectionStats.end,onChange:e=>handleSelectionInputChange('end',e.target.value),className:"w-full bg-[#242424] text-amber-400 text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col justify-center"},/*#__PURE__*/React.createElement("span",{className:"text-[7px] text-zinc-500 font-bold uppercase"},"Len"),/*#__PURE__*/React.createElement("span",{className:"text-zinc-200 font-mono text-xs font-semibold mt-0.5"},selectionStats.length,"s"))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-1 bg-[#141414] p-1.5 rounded border border-zinc-800 mt-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Begin Bar"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:beginBar,onChange:e=>{const b=parseInt(e.target.value)||0;setBeginBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;clearLocalSelection();setSelectionMode('global');setSelectionStart(t);setSelectionEnd(t+beatDuration*4);},className:"w-full bg-[#242424] text-white text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"End Bar"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:endBar,onChange:e=>{const b=parseInt(e.target.value)||0;setEndBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;setSelectionEnd(t+beatDuration*4);setNumberBar(b-beginBar+1);},className:"w-full bg-[#242424] text-white text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col justify-center"},/*#__PURE__*/React.createElement("span",{className:"text-[7px] text-zinc-500 font-bold uppercase"},"# Bars"),/*#__PURE__*/React.createElement("span",{className:"text-zinc-200 font-mono text-xs font-semibold mt-0.5"},numberBar))));if(panelId==='media_explorer')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('media_explorer',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-emerald-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"folder-open",className:"w-3.5 h-3.5 text-emerald-400"}))," Media Explorer"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('media_explorer'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto text-xs text-zinc-400 font-mono p-2"},"// Placeholder: Media files browser"));if(panelId==='fx_rack')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('fx_rack',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-rose-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3.5 h-3.5 text-rose-400"}))," Plugin FX Rack"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('fx_rack'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"flex-1 text-xs text-zinc-500 italic flex items-center justify-center"},"No FX plugins loaded"));if(panelId==='midi_events')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('midi_events',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-sky-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"music",className:"w-3.5 h-3.5 text-sky-400"}))," MIDI Event List"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('midi_events'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"flex-1 text-xs text-zinc-500 italic flex items-center justify-center"},"No MIDI events selected"));return null;};const renderDock=(pos,title)=>{const panels=dockPanels[pos];if(panels.length===0)return null;const isSide=pos==='left'||pos==='right';const borderClass=pos==='left'?'border-r':pos==='right'?'border-l':pos==='top'?'border-b':'border-t';const bgClass='bg-[#1e1e1e]';const highlight=panelDragRef.current&&panelDropZone===pos;if(pos==='right')return/*#__PURE__*/React.createElement("div",{id:"right-sidebar",className:`${borderClass} ${bgClass} flex flex-col overflow-hidden select-none h-full`,style:{width:`${rightSidebarWidth}px`,minWidth:'200px',maxWidth:'600px',flexShrink:0}},/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col gap-2 p-2 overflow-hidden h-full"},panels.map((p,idx)=>/*#__PURE__*/React.createElement(React.Fragment,{key:p},/*#__PURE__*/React.createElement("div",{className:'flex flex-col flex-1 min-h-0 border border-zinc-700 rounded-lg bg-[#262626] shadow-sm p-3'},renderPanelContent(p)),idx<panels.length-1&&/*#__PURE__*/React.createElement("div",{className:"h-1.5 cursor-ns-resize hover:bg-cyan-500/50 transition-colors rounded shrink-0",onMouseDown:startRowResize})))));const sideClass=isSide?'shrink-0 overflow-y-auto':'shrink-0';return/*#__PURE__*/React.createElement("div",{id:"daw-bottom",className:`${sideClass} ${borderClass} ${bgClass} flex ${isSide?'flex-col p-2 gap-2':'flex-row p-1.5 gap-3'} select-none ${highlight?'ring-2 ring-cyan-500 ring-inset':''}`},panels.map(p=>/*#__PURE__*/React.createElement("div",{key:p,className:`${isSide?'w-full':'flex-none w-[320px]'} border border-zinc-700 rounded-lg bg-[#262626] shadow-sm p-2`},renderPanelContent(p))));};return/*#__PURE__*/React.createElement("div",{ref:workspaceRef,className:"flex-1 flex flex-col overflow-hidden select-none daw-bg relative"},panelDragRef.current&&panelDropZone&&/*#__PURE__*/React.createElement("div",{className:"absolute inset-0 z-50 pointer-events-none"},panelDropZone==='top'&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 left-0 right-0 h-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"}),panelDropZone==='bottom'&&/*#__PURE__*/React.createElement("div",{className:"absolute bottom-0 left-0 right-0 h-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"}),panelDropZone==='left'&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 left-0 w-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"}),panelDropZone==='right'&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 right-0 w-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"})),dragGhostPanel&&dragGhostPos&&/*#__PURE__*/React.createElement("div",{className:"fixed z-[100] pointer-events-none opacity-80 border border-cyan-500 rounded-lg bg-[#262626] shadow-2xl p-3 w-56",style:{left:dragGhostPos.x,top:dragGhostPos.y}},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 text-xs text-zinc-200 font-bold"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"move",className:"w-3.5 h-3.5 text-cyan-400"})),dragGhostPanel==='export'?'Export Panel':dragGhostPanel==='ai'?'AI Panel':dragGhostPanel==='python_tools'?'Audio Processing Panel':'Selection Panel'),/*#__PURE__*/React.createElement("div",{className:"text-xs text-zinc-500 mt-1"},"Drop at edge to dock")),renderDock('top','Top'),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex overflow-hidden"},renderDock('left','Left'),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col overflow-hidden min-w-0"},/*#__PURE__*/React.createElement("div",{className:"flex-1 flex overflow-hidden"},activeTab==='main'||sessionTabs.some(s=>s.id===activeTab)?/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{ref:tcpContainerRef,onScroll:handleTCPScroll,className:"shrink-0 z-20 bg-[#262626] overflow-y-auto flex flex-col border-r border-zinc-900 no-scrollbar",style:{width:tcpWidth+'px',scrollbarWidth:'none',msOverflowStyle:'none'}},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-50 flex items-center justify-between h-10 border-b border-zinc-900 bg-[#242424] px-2 shrink-0"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-zinc-300 flex items-center gap-1.5"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3.5 h-3.5 text-cyan-400"})),"TRACKS (",activeTracks.length,")"),/*#__PURE__*/React.createElement("button",{onClick:addNewTrack,className:"px-2.5 py-1 bg-cyan-600 hover:bg-cyan-500 text-white rounded text-xs font-semibold flex items-center gap-1 shadow transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-3 h-3"}))," Add Track")),/*#__PURE__*/React.createElement("div",{className:"sticky top-10 z-40 flex h-[40px] border-b border-purple-500/30 bg-[#1a1a2e] p-2 border-l-4 border-purple-500 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between w-full"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-purple-400 font-mono"},"TM"),/*#__PURE__*/React.createElement("span",{className:"text-xs font-semibold text-zinc-300"},"Tempo")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("input",{type:"number",value:bpm,onChange:e=>setBpm(e.target.value),onBlur:()=>localStorage.setItem('studio_bpm',bpm),className:"w-12 bg-zinc-800 border border-zinc-700 rounded text-xs text-zinc-300 text-center font-mono focus:outline-none focus:border-purple-500",min:"40",max:"300"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500"},"BPM")))),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col divide-y divide-[#141414] bg-[#262626]"},activeTracks.length===0?/*#__PURE__*/React.createElement("div",{className:"p-6 text-center text-zinc-400 flex flex-col items-center justify-center space-y-3"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus-circle",className:"w-8 h-8 text-cyan-400 opacity-80"})),/*#__PURE__*/React.createElement("p",{className:"text-xs font-medium"},"Chưa có Track nào trong dự án."),/*#__PURE__*/React.createElement("button",{onClick:addNewTrack,className:"px-3 py-1.5 bg-cyan-600 hover:bg-cyan-500 text-white rounded text-xs font-semibold flex items-center gap-1.5 shadow"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus-circle",className:"w-3.5 h-3.5"}))," Thêm Track Mới")):activeTracks.map((track,idx)=>{const isSelected=selectedTrackId===track.id;const autoHeight=track.height||(track.isArmed?164:140);return/*#__PURE__*/React.createElement("div",{key:track.id,style:{height:`${autoHeight}px`},className:`shrink-0 relative flex flex-col justify-between p-2.5 bg-[#1e1e1e] border-r border-zinc-900 cursor-pointer border-l-4 border-b border-[#141414] overflow-hidden ${isSelected?'border-cyan-500 bg-[#252525]':'border-transparent hover:bg-zinc-800/20'}`,onClick:()=>setSelectedTrackId(track.id)},/*#__PURE__*/React.createElement("div",{className:"flex items-start justify-between"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-zinc-500 font-mono"},(idx+1).toString().padStart(2,'0')),/*#__PURE__*/React.createElement("label",{onClick:e=>{e.stopPropagation();const el=e.currentTarget.querySelector('input');if(el)el.click();},className:"cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"color",value:track.color||'#0f766e',onChange:e=>{e.stopPropagation();updateTrackColor(track.id,e.target.value);},className:"w-0 h-0 opacity-0 absolute pointer-events-none"}),/*#__PURE__*/React.createElement("div",{className:"w-3 h-3 rounded-full border border-zinc-600 hover:scale-110 transition-transform",style:{backgroundColor:track.color}})),editingTrackName===track.id?/*#__PURE__*/React.createElement("input",{type:"text",value:editNameInput,autoFocus:true,onChange:e=>setEditNameInput(e.target.value),onBlur:()=>{updateTrackName(track.id,editNameInput||track.name);setEditingTrackName(null);},onKeyDown:e=>{if(e.key==='Enter'){updateTrackName(track.id,editNameInput||track.name);setEditingTrackName(null);}if(e.key==='Escape')setEditingTrackName(null);},onClick:e=>e.stopPropagation(),className:"text-xs font-semibold bg-black text-zinc-200 border border-cyan-500 rounded px-1 py-0 w-24 outline-none"}):/*#__PURE__*/React.createElement("span",{className:"text-xs font-semibold text-zinc-300 truncate max-w-[80px] cursor-text hover:text-cyan-300 transition-colors",title:"Click to rename",onClick:e=>{e.stopPropagation();setEditingTrackName(track.id);setEditNameInput(track.name);}},track.name)),/*#__PURE__*/React.createElement("div",{className:"flex flex-wrap gap-0.5 max-w-[100px] mb-0.5"},(track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',name:track.name,startTime:track.startTime}]:[]).slice(0,3).map(c=>/*#__PURE__*/React.createElement("span",{key:c.id,className:"text-[9px] font-mono text-zinc-500 bg-zinc-800/60 rounded px-0.5 truncate max-w-[90px] cursor-pointer hover:text-cyan-400 hover:bg-zinc-700",title:c.name||track.name,onClick:e=>{e.stopPropagation();setSelectedTrackId(track.id);clearLocalSelection();setSelectionMode('global');const start=c.startTime||0;const end=start+(c.buffer?c.buffer.duration:2);setSelectionStart(start);setSelectionEnd(end);showToast(`Selected: ${c.name||track.name}`,'info');}},c.name||track.name),editingClipName&&editingClipName.trackId===track.id&&editingClipName.clipId===c.id?/*#__PURE__*/React.createElement("input",{type:"text",value:editNameInput,autoFocus:true,onChange:e=>setEditNameInput(e.target.value),onBlur:()=>{if(editNameInput.trim())updateClipName(track.id,c.id,editNameInput.trim());setEditingClipName(null);},onKeyDown:e=>{if(e.key==='Enter'){if(editNameInput.trim())updateClipName(track.id,c.id,editNameInput.trim());setEditingClipName(null);}if(e.key==='Escape')setEditingClipName(null);},onClick:e=>e.stopPropagation(),className:"w-20 text-[9px] font-mono bg-black text-cyan-300 border border-cyan-500 rounded px-0.5 py-0 outline-none"}):/*#__PURE__*/React.createElement("button",{className:"text-[9px] text-zinc-600 hover:text-cyan-400 ml-0.5 shrink-0",title:"Sửa tên clip",onClick:e=>{e.stopPropagation();setEditingClipName({trackId:track.id,clipId:c.id});setEditNameInput(c.name||track.name);}},/*#__PURE__*/React.createElement("i",{"data-lucide":"pencil",className:"w-2.5 h-2.5"})))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackMute(track.id);},title:"Mute",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.muted?'bg-red-950 text-red-400 border-red-700':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":track.muted?"volume-x":"volume-2",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackSoloEvaluate(track.id);},title:"Solo",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${soloedTrackId===track.id||track.solo?'bg-amber-950 text-amber-400 border-amber-600':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":soloedTrackId===track.id||track.solo?"headphones":"headphone-off",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackDrum(track.id);},title:track.is_percussion?"Drum Channel (CH 10) - Click to disable":"Toggle Drum Channel (CH 10)",className:`px-1.5 py-0.5 text-[9px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.is_percussion?'bg-rose-900 text-rose-300 border-rose-700':'bg-zinc-800 text-zinc-500 border-transparent hover:text-zinc-300'}`},/*#__PURE__*/React.createElement("span",{className:"text-[11px]"},"🥁"),track.is_percussion?/*#__PURE__*/React.createElement("span",{className:"text-[9px]"},"D"):null),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackArm(track.id);},title:"ARM (Record)",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.isArmed?'bg-red-600 text-white border-red-500 hover:bg-red-500':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":"circle",className:`w-2.5 h-2.5 ${track.isArmed?'fill-white':''}`})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackMonitor(track.id);},title:"Input Monitor",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.monitoringEnabled?'bg-amber-600 text-white border-amber-500 hover:bg-amber-500':'bg-zinc-800 text-zinc-500 border-transparent hover:text-zinc-305'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":track.monitoringEnabled?"mic":"mic-off",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();deleteTrack(track.id);},className:"p-0.5 rounded text-red-500 hover:bg-red-950/40 hover:text-red-400 transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"trash-2",className:"w-3 h-3"}))))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-0.5 text-xs",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-xs"},"Vol:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-50",max:"7",step:"0.5",value:track.volumeDb??0,onChange:e=>updateTrackVolumeDb(track.id,parseFloat(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-cyan-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-12 text-right font-mono text-zinc-300 text-xs"},track.volumeDb??0,"dB")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-xs"},"Pan:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-100",max:"100",step:"1",value:track.pan??0,onChange:e=>updateTrackPan(track.id,parseInt(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-purple-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-12 text-right font-mono text-zinc-300 text-xs"},track.pan>0?'R'+track.pan:track.pan<0?'L'+Math.abs(track.pan):'C')),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 mt-0.5"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-[10px]"},"In:"),/*#__PURE__*/React.createElement("select",{value:`${track.inputSource?.deviceType||'NONE'}:${track.inputSource?.deviceId||''}`,onChange:e=>{const val=e.target.value;const parts=val.split(':');const type=parts[0];const id=parts.slice(1).join(':');updateTrackInputSource(track.id,type,id);},className:"flex-1 bg-[#18181b] text-zinc-300 text-[10px] rounded border border-zinc-700 focus:outline-none py-0.5 px-1 truncate max-w-[120px]"},/*#__PURE__*/React.createElement("option",{value:"NONE:"},"No Input"),/*#__PURE__*/React.createElement("optgroup",{label:"Microphones"},audioDevices.map(d=>/*#__PURE__*/React.createElement("option",{key:d.deviceId,value:`MICROPHONE:${d.deviceId}`},d.label||`Microphone ${d.deviceId.slice(0,5)}`))),/*#__PURE__*/React.createElement("optgroup",{label:"MIDI Keyboards"},/*#__PURE__*/React.createElement("option",{value:"MIDI_KEYBOARD:ALL"},"Any MIDI Keyboard"),midiDevices.map(d=>/*#__PURE__*/React.createElement("option",{key:d.id,value:`MIDI_KEYBOARD:${d.id}`},d.name||`MIDI Input ${d.id.slice(0,5)}`)))),track.isArmed&&lastMidiNote&&(lastMidiNote.length===0||Date.now()-lastMidiNote.time<3000)&&/*#__PURE__*/React.createElement("span",{className:"text-[9px] font-mono text-emerald-400 ml-0.5 truncate max-w-[60px] shrink-0",title:"MIDI Note:velocity:length"},`${midiPitchToName(lastMidiNote.pitch)}:${lastMidiNote.velocity}:${lastMidiNote.length>0?lastMidiNote.length.toFixed(2)+'s':'...'}`)),track.isArmed&&/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 mt-0.5"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-[9px]"},"VU:"),/*#__PURE__*/React.createElement("canvas",{ref:el=>{if(el)trackVuRefs.current[track.id]=el;else delete trackVuRefs.current[track.id];},width:100,height:4,className:"flex-1 bg-[#18181b] rounded h-1"}))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5 mt-1",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("input",{type:"file",id:`upload-${track.id}`,accept:"audio/*",className:"hidden",onChange:e=>loadFileOnTrack(track.id,e.target.files[0])}),/*#__PURE__*/React.createElement("label",{htmlFor:`upload-${track.id}`,className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 rounded text-xs flex items-center gap-1 cursor-pointer border border-zinc-700 font-medium"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"upload",className:"w-3 h-3"}))," File"),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();setFxSelectorTrackId(track.id);},className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-purple-400 border border-purple-900 rounded text-xs font-bold flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"wand-2",className:"w-3 h-3"}))," FX: ",/*#__PURE__*/React.createElement("span",{className:"text-zinc-500 font-normal"},track.fxType||"None")),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();openInstrumentSelector(track.id);},className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-amber-400 border border-amber-800 rounded text-xs font-bold flex items-center gap-1 max-w-[120px]"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"music",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"truncate text-[10px]"},track.instrumentName||track.instrumentId||"Synth"),/*#__PURE__*/React.createElement("i",{"data-lucide":"chevron-down",className:"w-3 h-3 shrink-0"}))),/*#__PURE__*/React.createElement("div",{onMouseDown:e=>handleTrackResizeMouseDown(e,track.id),className:"absolute bottom-0 left-0 right-0 h-1 cursor-ns-resize z-30 hover:bg-cyan-500/50 transition-colors",onClick:e=>e.stopPropagation()}));})),/*#__PURE__*/React.createElement("div",{className:"h-[48px] border-r border-zinc-900 bg-[#1e1e1e]/50 shrink-0"})),/*#__PURE__*/React.createElement("div",{className:"w-1 cursor-ew-resize hover:bg-cyan-500/50 active:bg-cyan-400 transition-colors shrink-0 z-10",onMouseDown:startTcpResize}),/*#__PURE__*/React.createElement("div",{ref:handleTimelineWrapperRef,onScroll:handleTimelineScroll,className:"flex-1 relative z-10 overflow-x-auto overflow-y-auto min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${timelineWidth}px`},className:"relative flex flex-col min-h-full"},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-30 bg-[#1a1a1a]"},/*#__PURE__*/React.createElement(TimelineRuler,{bpm:parseInt(bpm)||120,zoom:zoom,timelineWidth:timelineWidth,viewportWidth:viewportWidth,onPlayheadSet:handlePlayheadSet,snapValue:snapValue,onRulerMouseDown:e=>{setSelectionFollowsTempo(false);handleRulerMouseDown(e);},scrollLeft:scrollLeft,canvasRedrawCount:canvasRedrawCount}),/*#__PURE__*/React.createElement(TempoTrackLane,{bpm:parseInt(bpm)||120,zoom:zoom,timelineWidth:timelineWidth,viewportWidth:viewportWidth,onPlayheadSet:handlePlayheadSet,snapValue:snapValue,onRulerMouseDown:e=>{setSelectionFollowsTempo(true);handleRulerMouseDown(e);},scrollLeft:scrollLeft,canvasRedrawCount:canvasRedrawCount})),selectionMode==='global'&&selLeft!==null&&selRight!==null&&selRight>selLeft&&/*#__PURE__*/React.createElement("div",{className:"absolute inset-0 pointer-events-none z-20",style:{left:`${selLeft*zoom}px`,width:`${(selRight-selLeft)*zoom}px`,top:'80px'}},/*#__PURE__*/React.createElement("div",{className:"w-full h-full bg-amber-500/10",style:{borderLeft:'1px solid #f59e0b',borderRight:'1px solid #f59e0b'}})),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col divide-y divide-[#141414] relative bg-[#111111] min-h-full",onMouseDown:e=>{if(e.ctrlKey&&!e.shiftKey&&!e.altKey&&e.button===0){const wrapper=timelineWrapperRef.current;if(wrapper){const rect=wrapper.getBoundingClientRect();const sl=wrapper.scrollLeft;const raw=Math.max(0,(e.clientX-rect.left+sl)/zoom-leadInMargin);const time=snapValue!=='free'?snapTime(raw,snapValue,bpm):raw;handleSweepSelectStart(null,time);}}}},activeTracks.map((track,idx)=>{const isSelected=selectedTrackId===track.id;const autoHeight=track.height||(track.isArmed?164:140);return/*#__PURE__*/React.createElement("div",{key:track.id,style:{height:`${autoHeight}px`},className:`shrink-0 relative border-b border-[#141414] hover:bg-zinc-850/5 transition-colors ${isSelected?'bg-zinc-800/10':''}`,onDragOver:e=>e.preventDefault(),onDrop:e=>{e.preventDefault();if(e.dataTransfer.files[0])loadFileOnTrack(track.id,e.dataTransfer.files[0]);},onMouseEnter:()=>setHoveredTrackId(track.id)},/*#__PURE__*/React.createElement(WaveformLane,{track:track,zoom:zoom,timelineWidth:timelineWidth,viewportWidth:viewportWidth,scrollLeft:scrollLeft,onSelectRange:handleSelectRange,onPlayheadSet:handlePlayheadSet,isSelected:isSelected,selectedItemIds:selectedItemIds,onSelectTrack:setSelectedTrackId,markers:track.markers,onTrackLaneMouseDown:handleTrackLaneMouseDown,onClearSelection:()=>setSelectedItemIds(new Set()),onSweepSelectStart:handleSweepSelectStart,onDeselectItem:handleDeselectItem,onAddToSelection:handleAddToSelection,onSetPendingDrag:handleSetPendingDrag,onContextMenu:handleContextMenu,onClipDragStart:handleClipDragStart,onClipStretchStart:handleClipStretchStart,onSectionItemDragStart:handleSectionItemDragStart,onSectionItemResizeStart:handleSectionItemResizeStart,onSelectionEdgeDragStart:handleSelectionEdgeDragStart,setSelectedClipId:setSelectedClipId,selectedClipId:selectedClipId,activeTool:activeTool,onSplitTrackAtTime:handleSplitTrackAtTime,onEditClipInSubTab:handleEditClipInSubTab,onEditSectionInTab:handleEditSectionInTab,onEditMidiInTab:handleEditMidiInTab,snapValue:snapValue,bpm:bpm,selectionMode:selectionMode,localSelectionTrackId:localSelectionTrackId,localSelectionStart:localSelectionStart,currentTime:currentTime,getLocalAnchor:()=>localSelectionAnchorRef.current,onClearLocalSelection:clearLocalSelection,onSetSelectionMode:setSelectionMode,onSetSelectionStart:setSelectionStart,onSetSelectionEnd:setSelectionEnd,onSetCurrentTime:setCurrentTime,onSetLocalSelectionTrackId:setLocalSelectionTrackId,onSetLocalSelectionStart:setLocalSelectionStart,onSetLocalSelectionEnd:setLocalSelectionEnd,localSelLeft:localSelectionStart!==null&&localSelectionEnd!==null?Math.min(localSelectionStart,localSelectionEnd):null,localSelRight:localSelectionStart!==null&&localSelectionEnd!==null?Math.max(localSelectionStart,localSelectionEnd):null,scrollLeft:scrollLeft,recordingState:recordingState,recTempMidiNotes:recTempMidiNotes,recTempAudioBuffer:recTempAudioBuffer,recStartTimelineTime:recStartTimelineTime,canvasRedrawCount:canvasRedrawCount}),selectionMode==='local'&&localSelectionTrackId===track.id&&localSelectionStart!==null&&localSelectionEnd!==null&&Math.abs(localSelectionEnd-localSelectionStart)>0&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 border-l border-r border-amber-400 bg-amber-500/20 z-20 pointer-events-none",style:{left:`${Math.min(localSelectionStart,localSelectionEnd)*zoom}px`,width:`${Math.abs(localSelectionEnd-localSelectionStart)*zoom}px`}},/*#__PURE__*/React.createElement("div",{className:"absolute -left-[1px] top-0 bottom-0 w-[2px] bg-amber-400 z-30 pointer-events-auto cursor-ew-resize",onMouseDown:e=>handleHandleDragStart(e,'left')}),/*#__PURE__*/React.createElement("div",{className:"absolute -right-[1px] top-0 bottom-0 w-[2px] bg-amber-400 z-30 pointer-events-auto cursor-ew-resize",onMouseDown:e=>handleHandleDragStart(e,'right')})),sweepSelect&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 border-l border-r border-amber-400 bg-amber-500/10 z-20 pointer-events-none",style:{left:`${Math.min(sweepSelect.startTime,sweepSelect.endTime)*zoom}px`,width:`${Math.abs(sweepSelect.endTime-sweepSelect.startTime)*zoom}px`}}),track.buffer&&/*#__PURE__*/React.createElement("div",{className:"absolute right-2 top-2 flex items-center gap-1 z-10 opacity-70 hover:opacity-100"},/*#__PURE__*/React.createElement("button",{onClick:()=>handleSplitTrack(track.id),className:"px-1.5 py-0.5 bg-zinc-900/95 text-zinc-300 rounded text-xs flex items-center gap-1 border border-zinc-700/50"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-2.5 h-2.5 text-cyan-400"}))," Cắt")),/*#__PURE__*/React.createElement("div",{onMouseDown:e=>handleTrackResizeMouseDown(e,track.id),className:"absolute bottom-0 left-0 right-0 h-1 cursor-ns-resize z-30 hover:bg-cyan-500/50 transition-colors",onClick:e=>e.stopPropagation()}));}),/*#__PURE__*/React.createElement("div",{className:"h-[48px] flex items-center justify-center text-xs text-zinc-500 hover:bg-zinc-900/20 cursor-pointer select-none border-t border-dashed border-zinc-800",onMouseEnter:()=>{if(draggedClipRef.current||draggedSectionItemRef.current){setHoveredTrackId(addNewTrack());}},onClick:addNewTrack},/*#__PURE__*/React.createElement("span",{className:"flex items-center gap-1 text-zinc-400"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-3.5 h-3.5"}))," Kéo clip xuống hoặc Click tạo Track")),selectionMode==='global'&&selLeft!==null&&selRight!==null&&selRight>selLeft&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 border-l border-r border-amber-500 bg-amber-500/10 z-20 selection-interactive-box cursor-grab active:cursor-grabbing",style:{left:`${selLeft*zoom}px`,width:`${(selRight-selLeft)*zoom}px`},onMouseDown:handleSelectionBodyDragStart},/*#__PURE__*/React.createElement("div",{className:"absolute -left-[1px] top-0 bottom-0 w-[1px] bg-amber-500 hover:bg-amber-400 cursor-ew-resize z-30",onMouseDown:e=>handleHandleDragStart(e,'left')}),/*#__PURE__*/React.createElement("div",{className:"absolute -right-[1px] top-0 bottom-0 w-[1px] bg-amber-500 hover:bg-amber-400 cursor-ew-resize z-30",onMouseDown:e=>handleHandleDragStart(e,'right')})),/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 w-[2px] bg-[#ef4444] z-20 pointer-events-none",style:{left:`${playheadLeftPos}px`}},/*#__PURE__*/React.createElement("div",{className:"w-3 h-3 bg-[#ef4444] rotate-45 transform -translate-x-1/2 -translate-y-1/2 absolute top-0"})))))):(()=>{const st=subTabs.find(s=>s.id===activeTab);if(!st)return null;if(st.type==='PIANO_ROLL'){return/*#__PURE__*/React.createElement(PianoRollTabEditor,{st:st,zoom:zoom,bpm:bpm,viewportWidth:viewportWidth,activeTracks:activeTracks,onClose:()=>closeSubTab(st.id),onUpdateNotes:handleUpdateMidiNotes,onSaveNotes:handleSaveMidiNotes,setSubTabs:setSubTabs,onPlayPause:handlePlayPause,onStop:stopAllPlayback,isPlaying:isPlaying,playPreviewNote:playMidiPreviewNote,showToast:showToast,midiDevices:midiDevices,recordingState:recordingState,recTempMidiNotes:recTempMidiNotes,onRecord:handleRecordClick,selectedMidiInputId:selectedMidiInputId,onMidiInputSelect:handleMidiInputSelect,activeMidiPitches:activeMidiPitches,onInstrumentSelect:trackId=>{openInstrumentSelector(trackId);},onRescheduleMidi:updatedNotes=>{const playingSub=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL'&&s.isPlaying);if(playingSub){const offset=playingSub.currentTime||0;const ctx=getAudioContext();const tNode=activeTrackNodesRef.current[playingSub.trackId];if(tNode&&tNode.gainNode){tNode.gainNode.gain.setValueAtTime(tNode.gainNode.gain.value||1,ctx.currentTime);tNode.gainNode.gain.linearRampToValueAtTime(0.001,ctx.currentTime+0.04);}setTimeout(()=>{window.SonicSF.stopAll();if(tNode&&tNode.gainNode){const trackData=activeTracksRef.current?activeTracksRef.current.find(t=>t.id===playingSub.trackId):null;const volDb=trackData?trackData.volumeDb??0:0;const volLinear=volDb<=-50?0:Math.pow(10,volDb/20);tNode.gainNode.gain.setValueAtTime(0.001,ctx.currentTime);tNode.gainNode.gain.linearRampToValueAtTime(volLinear||0.8,ctx.currentTime+0.015);}startOffsetTimeRef.current=offset;startAudioTimeRef.current=ctx.currentTime;startBufferOffsetRef.current=offset*(playingSub.speed||1.0);schedulePianoRollMidi(playingSub,offset,updatedNotes);},50);}},onSeekPlayhead:clickTime=>{const seekSt=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(!seekSt)return;if(seekSt.isPlaying){stopAllPlayback();window.SonicSF.stopAll();setSubTabs(prev=>prev.map(s=>s.id===seekSt.id?{...s,currentTime:clickTime,isPlaying:true}:s));const ctx=getAudioContext();startOffsetTimeRef.current=clickTime;startAudioTimeRef.current=ctx.currentTime;startBufferOffsetRef.current=clickTime*(seekSt.speed||1.0);schedulePianoRollMidi(seekSt,clickTime);startSubTabPlayback(seekSt,clickTime);}else{setSubTabs(prev=>prev.map(s=>s.id===seekSt.id?{...s,currentTime:clickTime}:s));}}});}const subTrack=tracks.find(t=>t.id===st.trackId);const vTrack=subTrack?{...subTrack,buffer:st.buffer,isSubTab:true}:null;const subTabDuration=st.type==='PIANO_ROLL'?(()=>{const notes=st.notes||[];const beatSec=60.0/(parseFloat(bpm)||120);let maxEnd=0;notes.forEach(n=>{const end=(n.start_beat||0)+(n.duration_beats||1);if(end>maxEnd)maxEnd=end;});return maxEnd*beatSec+1.0;})():st.buffer&&'duration'in st.buffer?st.buffer.duration:4.0;const subTabTimelineWidth=Math.max(zoom*subTabDuration,viewportWidth);return/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{className:"shrink-0 z-30 bg-[#262626] overflow-y-scroll no-scrollbar flex flex-col border-r border-zinc-900",style:{width:tcpWidth+'px',scrollbarWidth:'none',msOverflowStyle:'none'}},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-50 flex items-center h-10 border-b border-zinc-900 bg-[#242424] px-2 justify-between shrink-0"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-zinc-500 uppercase"},"Sub-Tab"),/*#__PURE__*/React.createElement("button",{onClick:()=>closeSubTab(st.id),className:"px-1.5 py-0.5 text-xs bg-zinc-800 hover:bg-zinc-700 text-zinc-400 rounded border border-zinc-700 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}))," Close")),vTrack?/*#__PURE__*/React.createElement("div",{key:vTrack.id,className:"flex-1 flex flex-col p-2.5 bg-[#1e1e1e] border-r border-zinc-900 border-l-4 border-l-cyan-500"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between mb-2"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("label",{onClick:e=>{e.stopPropagation();const el=e.currentTarget.querySelector('input');if(el)el.click();},className:"cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"color",value:vTrack.color||'#0f766e',onChange:e=>{e.stopPropagation();updateTrackColor(vTrack.id,e.target.value);},className:"w-0 h-0 opacity-0 absolute pointer-events-none"}),/*#__PURE__*/React.createElement("div",{className:"w-3 h-3 rounded-full border border-zinc-600 hover:scale-110 transition-transform",style:{backgroundColor:vTrack.color}})),editingTrackName===vTrack.id?/*#__PURE__*/React.createElement("input",{type:"text",value:editNameInput,autoFocus:true,onChange:e=>setEditNameInput(e.target.value),onBlur:()=>{updateTrackName(vTrack.id,editNameInput||vTrack.name);setEditingTrackName(null);},onKeyDown:e=>{if(e.key==='Enter'){updateTrackName(vTrack.id,editNameInput||vTrack.name);setEditingTrackName(null);}if(e.key==='Escape')setEditingTrackName(null);},onClick:e=>e.stopPropagation(),className:"text-xs font-semibold bg-black text-zinc-200 border border-cyan-500 rounded px-1 py-0 w-24 outline-none"}):/*#__PURE__*/React.createElement("span",{className:"text-xs font-semibold text-zinc-300 truncate max-w-[80px] cursor-text hover:text-cyan-300 transition-colors",title:"Click to rename",onClick:e=>{e.stopPropagation();setEditingTrackName(vTrack.id);setEditNameInput(vTrack.name);}},vTrack.name)),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackMute(vTrack.id);},className:`px-1.5 py-0.5 text-xs rounded font-mono font-bold border ${vTrack.muted?'bg-red-950 text-red-400 border-red-700':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},"M"),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackSoloEvaluate(vTrack.id);},className:`px-1.5 py-0.5 text-xs rounded font-mono font-bold border ${soloedTrackId===vTrack.id||vTrack.solo?'bg-amber-950 text-amber-400 border-amber-600':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},"S"))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-2.5 text-[14px] mb-3"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-10 text-right text-zinc-500 text-[14px]"},"Vol:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-50",max:"7",step:"0.5",id:`tcp-vol-${st.id}`,value:vTrack.volumeDb??0,onChange:e=>updateTrackVolumeDb(vTrack.id,parseFloat(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-cyan-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-16 text-right font-mono text-zinc-300 text-[14px]",id:`tcp-vol-label-${st.id}`},vTrack.volumeDb??0,"dB")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-10 text-right text-zinc-500 text-[14px]"},"Pan:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-100",max:"100",step:"1",id:`tcp-pan-${st.id}`,value:vTrack.pan??0,onChange:e=>updateTrackPan(vTrack.id,parseInt(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-purple-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-16 text-right font-mono text-zinc-300 text-[14px]",id:`tcp-pan-label-detailed-${st.id}`},vTrack.pan>0?'R'+vTrack.pan:vTrack.pan<0?'L'+Math.abs(vTrack.pan):'C')),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5 text-[14px]"},/*#__PURE__*/React.createElement("button",{onClick:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,isLooping:!s.isLooping}:s)),className:`px-2 py-0.5 text-[14px] rounded border font-bold ${st.isLooping?'bg-amber-700 text-white border-amber-500':'bg-zinc-800 text-zinc-400 border-zinc-700'}`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"repeat",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>updateSubTabEffects(st.id,{reverse:!(st.effects||{}).reverse}),className:`px-2 py-0.5 rounded border text-[14px] font-bold ${(st.effects||{}).reverse?'bg-zinc-600 text-white border-zinc-500':'bg-zinc-800 text-zinc-400 border-zinc-700'} flex items-center justify-center`,title:"Reverse"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"arrow-left-right",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("span",{className:"w-10 text-right text-zinc-500 text-[14px]"},"Loop:"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",max:"999",value:st.loopCount||0,onChange:e=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,loopCount:Math.max(0,parseInt(e.target.value)||0)}:s)),className:"w-12 bg-black text-amber-300 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono",title:"Loop count"}))),/*#__PURE__*/React.createElement("div",{className:"flex gap-1 justify-between my-2.5"},/*#__PURE__*/React.createElement("div",{className:"flex flex-col items-center bg-zinc-900/60 p-1.5 rounded border border-zinc-800 flex-1"},/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-bold text-zinc-400 uppercase tracking-tighter",title:"Normalize"},"Norm"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-12",max:"0",step:"0.1",value:subTabNormVal,onChange:e=>setSubTabNormVal(parseFloat(e.target.value)),style:{writingMode:'vertical-lr',direction:'rtl',height:'120px',width:'20px',accentColor:'#a1a1aa'},className:"my-2 cursor-pointer"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-mono text-zinc-300 font-bold"},subTabNormVal,"dB"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTabEffect(st.id,'normalize',subTabNormVal),className:"mt-1.5 px-1 py-1 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 rounded text-[14px] font-bold w-full uppercase border border-zinc-650"},"Apply")),/*#__PURE__*/React.createElement("div",{className:"flex flex-col items-center bg-zinc-900/60 p-1.5 rounded border border-zinc-800 flex-1"},/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-bold text-zinc-400 uppercase tracking-tighter",title:"Pitch Shift"},"Pitch"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-12",max:"12",step:"0.5",value:subTabPitchVal,onChange:e=>setSubTabPitchVal(parseFloat(e.target.value)),style:{writingMode:'vertical-lr',direction:'rtl',height:'120px',width:'20px',accentColor:'#a1a1aa'},className:"my-2 cursor-pointer"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-mono text-zinc-300 font-bold"},subTabPitchVal>0?'+':'',subTabPitchVal,"st"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTabEffect(st.id,'pitch',subTabPitchVal),className:"mt-1.5 px-1 py-1 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 rounded text-[14px] font-bold w-full uppercase border border-zinc-650"},"Apply")),/*#__PURE__*/React.createElement("div",{className:"flex flex-col items-center bg-zinc-900/60 p-1.5 rounded border border-zinc-800 flex-1"},/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-bold text-zinc-400 uppercase tracking-tighter",title:"Gain Multiplier"},"Gain"),/*#__PURE__*/React.createElement("input",{type:"range",min:"0",max:"150",step:"1",value:subTabGainVal,onChange:e=>setSubTabGainVal(parseInt(e.target.value)),style:{writingMode:'vertical-lr',direction:'rtl',height:'120px',width:'20px',accentColor:'#a1a1aa'},className:"my-2 cursor-pointer"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-mono text-zinc-300 font-bold"},subTabGainVal,"%"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTabEffect(st.id,'gain',subTabGainVal),className:"mt-1.5 px-1 py-1 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 rounded text-[14px] font-bold w-full uppercase border border-zinc-650"},"Apply"))),/*#__PURE__*/React.createElement("div",{className:"flex-1"}),/*#__PURE__*/React.createElement("div",{className:"mt-auto pt-2.5 border-t border-zinc-800"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between text-[14px] text-zinc-500 mb-1 font-semibold uppercase"},/*#__PURE__*/React.createElement("span",null,"Duration:"),/*#__PURE__*/React.createElement("span",{className:"font-mono text-zinc-300"},st.buffer?formatTime(subTabDuration):'0s')),/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between text-[14px] text-zinc-500 mb-2.5 font-semibold uppercase"},/*#__PURE__*/React.createElement("span",null,"SR:"),/*#__PURE__*/React.createElement("span",{className:"font-mono text-zinc-300"},st.buffer?st.buffer.sampleRate:0," Hz")),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1 mb-2"},/*#__PURE__*/React.createElement("button",{onClick:async e=>{subTabAiTrackIdRef.current=st.trackId;handleAIScan();},disabled:analysisState.isRunning,className:"py-1 bg-purple-900 hover:bg-purple-800 text-purple-100 font-bold rounded text-xs border border-purple-700 flex items-center justify-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"map-pin",className:"w-3 h-3"}))," Scan"),/*#__PURE__*/React.createElement("button",{onClick:async e=>{subTabAiTrackIdRef.current=st.trackId;handleAICutToNewTrack();},disabled:analysisState.isRunning,className:"py-1 bg-fuchsia-800 hover:bg-fuchsia-700 text-white font-bold rounded text-xs flex items-center justify-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-3 h-3"}))," Cut"),/*#__PURE__*/React.createElement("button",{onClick:async e=>{subTabAiTrackIdRef.current=st.trackId;if(st.buffer){setSelectionRangeOnBuffer(st.buffer,st.selectionStart||0,st.selectionEnd||st.buffer.duration);}handleAIAnalysicLoop();},disabled:analysisState.isRunning,className:"py-1 bg-violet-800 hover:bg-violet-700 text-violet-100 font-bold rounded text-xs border border-violet-600 flex items-center justify-center gap-1 col-span-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sparkles",className:"w-3 h-3"}))," AI Analysic Loop")),/*#__PURE__*/React.createElement("button",{onClick:()=>exportSubTabBuffer(st.id),className:"w-full py-1.5 mb-1.5 bg-blue-700 hover:bg-blue-600 text-white font-bold rounded text-[14px] flex items-center justify-center gap-1 transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"download",className:"w-4 h-4"}))," Export"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTab(st.id),className:"w-full py-1.5 bg-emerald-700 hover:bg-emerald-600 text-white font-bold rounded text-[14px] flex items-center justify-center gap-1 transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"save",className:"w-4 h-4"}))," Save"))):/*#__PURE__*/React.createElement("div",{className:"flex-1 flex items-center justify-center text-xs text-zinc-500"},"Track not found")),/*#__PURE__*/React.createElement("div",{className:"w-1 cursor-ew-resize hover:bg-cyan-500/50 active:bg-cyan-400 transition-colors shrink-0 z-10",onMouseDown:startTcpResize}),/*#__PURE__*/React.createElement("div",{ref:handleTimelineWrapperRef,className:"flex-1 relative z-10 overflow-x-auto overflow-y-auto min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${subTabTimelineWidth}px`},className:"relative flex flex-col min-h-full"},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-30 bg-[#1a1a1a]"},/*#__PURE__*/React.createElement(TimelineRuler,{bpm:parseInt(bpm)||120,zoom:zoom,timelineWidth:subTabTimelineWidth,viewportWidth:viewportWidth,onPlayheadSet:setCurrentTime,snapValue:snapValue,onRulerMouseDown:e=>{setSelectionFollowsTempo(false);const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const sl=wrapper.scrollLeft;const raw=Math.max(0,(e.clientX-rect.left+sl)/zoom);const t=snapValue!=='free'?snapTime(raw,snapValue,bpm):raw;if(e.ctrlKey){e.preventDefault();e.stopPropagation();setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,selectionStart:null,selectionEnd:null}:s));return;}if(e.shiftKey){e.preventDefault();e.stopPropagation();}handlePlayheadSet(t);subTabDragStartRef.current=t;isDraggingSubTabRef.current=true;},scrollLeft:scrollLeft,canvasRedrawCount:canvasRedrawCount})),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col relative bg-[#111111] min-h-full"},vTrack&&/*#__PURE__*/React.createElement("div",{style:{height:`${subTabHeight}px`},className:"relative overflow-hidden border-2 border-purple-500/40 rounded bg-[#151515] mx-1 mt-1 shrink-0"},/*#__PURE__*/React.createElement(SubTabWaveform,{buffer:st.buffer,subTabId:st.id,activeTab:activeTab,activeTool:activeTool,currentTime:st.currentTime,selectionStart:st.selectionStart,selectionEnd:st.selectionEnd,onSelectRange:(start,end)=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:start,selectionEnd:end}:s)),onPlayheadSet:time=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,currentTime:time}:s)),onContextMenu:(e,clickTime)=>setContextMenu({x:e.clientX,y:e.clientY,isSubTab:true,subTabId:st.id,time:clickTime}),zoom:zoom,timelineWidth:subTabTimelineWidth,color:vTrack.color,name:vTrack.name,speed:st.speed||1.0,volumeNodes:st.volumeNodes||[],panningNodes:st.panningNodes||[],fadeInLen:st.fadeInLen||0,fadeOutLen:st.fadeOutLen||0,graphMode:st.graphMode,channelInfo:st.channelInfo,selectedNodeTime:subTabSelectedNodeTime,setSelectedNodeTime:setSubTabSelectedNodeTime,onUpdateNodes:nodes=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,[s.graphMode==='pan'?'panningNodes':'volumeNodes']:nodes}:s)),onUpdateFade:fade=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,fadeInLen:fade.fadeInLen??s.fadeInLen,fadeOutLen:fade.fadeOutLen??s.fadeOutLen}:s)),onModeToggle:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,graphMode:s.graphMode==='pan'?null:'pan'}:s)),onSpeedChange:newSpeed=>{setSubTabs(prev=>prev.map(s=>{if(s.id!==st.id)return s;const oldSpeed=s.speed||1.0;const ratio=oldSpeed/newSpeed;const newVolumeNodes=(s.volumeNodes||[]).map(n=>({...n,time:n.time*ratio}));const newPanningNodes=(s.panningNodes||[]).map(n=>({...n,time:n.time*ratio}));return{...s,speed:newSpeed,volumeNodes:newVolumeNodes,panningNodes:newPanningNodes,fadeInLen:(s.fadeInLen||0)*ratio,fadeOutLen:(s.fadeOutLen||0)*ratio,currentTime:(s.currentTime||0)*ratio,label:s.label.replace(/\s\(\d+%\)$/,'')+` (${Math.round(newSpeed*100)}%)`};}));const n=activeTrackNodesRef.current[st.trackId];if(n&&n.source)n.source.playbackRate.value=newSpeed;// Reset time refs to prevent playhead jump when speed changes mid-playback
+const bpmVal=parseInt(bpm)||120;const secPerBar=60.0/bpmVal*4;let maxEnd=0;activeTracks.forEach(t=>{(t.clips||[]).forEach(c=>{const end=(c.startTime||0)+(c.duration||0);if(end>maxEnd)maxEnd=end;});(t.items||[]).forEach(it=>{const end=(it.start||0)+(it.duration||4);if(end>maxEnd)maxEnd=end;});});if(maxEnd>0){const loopEnd=maxEnd+secPerBar*2;setSelectionStart(0);setSelectionEnd(loopEnd);}}},className:`w-7 h-7 flex items-center justify-center rounded border transition ${isLoopingSelection?'bg-amber-600 text-black border-amber-500 hover:bg-amber-500':'bg-zinc-800 text-zinc-200 border-zinc-700 hover:bg-zinc-700'}`,title:isLoopingSelection?selLeft!==null&&selRight!==null?"Loop vùng chọn":"Loop timeline":"Bật loop"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"repeat",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500 font-bold uppercase ml-2"},"Snap"),/*#__PURE__*/React.createElement("select",{value:snapValue,onChange:e=>setSnapValue(e.target.value),className:"bg-black text-white text-[14px] px-1.5 py-0.5 rounded border border-zinc-700 focus:outline-none focus:border-cyan-500 font-mono cursor-pointer"},/*#__PURE__*/React.createElement("option",{value:"free"},"Free"),/*#__PURE__*/React.createElement("option",{value:"1"},"1"),/*#__PURE__*/React.createElement("option",{value:"1/2"},"1/2"),/*#__PURE__*/React.createElement("option",{value:"1/4"},"1/4"),/*#__PURE__*/React.createElement("option",{value:"1/8"},"1/8"),/*#__PURE__*/React.createElement("option",{value:"1/16"},"1/16"),/*#__PURE__*/React.createElement("option",{value:"1/32"},"1/32"),/*#__PURE__*/React.createElement("option",{value:"4"},"4")),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-6 bg-zinc-800 mx-1.5"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500 font-bold"},"Bars:"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:beginBar,onChange:e=>{const b=parseInt(e.target.value)||0;setBeginBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;clearLocalSelection();setSelectionMode('global');setSelectionStart(t);setSelectionEnd(t+beatDuration*4);},className:"w-14 bg-black text-white text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"-"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:endBar,onChange:e=>{const b=parseInt(e.target.value)||0;setEndBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;setSelectionEnd(t+beatDuration*4);setNumberBar(b-beginBar+1);},className:"w-14 bg-black text-white text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"#"),/*#__PURE__*/React.createElement("input",{type:"number",min:"1",value:numberBar,readOnly:true,className:"w-14 bg-black text-zinc-400 text-[14px] px-1 py-0.5 rounded border border-zinc-800 text-center font-mono"}),/*#__PURE__*/React.createElement("button",{onClick:()=>setSelectionFollowsTempo(prev=>!prev),className:`px-1.5 py-0.5 text-[14px] rounded border font-bold ${selectionFollowsTempo?'bg-amber-700 text-white border-amber-500':'bg-zinc-800 text-zinc-400 border-zinc-700'}`,title:selectionFollowsTempo?"Selection theo tempo (đổi BPM → selection thay đổi)":"Selection theo thời gian (cố định)"},selectionFollowsTempo?"♪T":"⏱T"),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-6 bg-zinc-800 mx-1.5"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"Start:"),/*#__PURE__*/React.createElement("input",{type:"text",value:selLeft!==null?formatTime(selLeft):'',onChange:e=>{const parts=e.target.value.split(/[:.]/);if(parts.length===3){const secs=parseInt(parts[0])*60+parseInt(parts[1])+parseFloat('0.'+(parts[2]||'0'));clearLocalSelection();setSelectionMode('global');setSelectionStart(secs);}},className:"w-20 bg-black text-zinc-200 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"End:"),/*#__PURE__*/React.createElement("input",{type:"text",value:selRight!==null?formatTime(selRight):'',onChange:e=>{const parts=e.target.value.split(/[:.]/);if(parts.length===3){const secs=parseInt(parts[0])*60+parseInt(parts[1])+parseFloat('0.'+(parts[2]||'0'));setSelectionEnd(secs);}},className:"w-20 bg-black text-zinc-200 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500"},"Len:"),/*#__PURE__*/React.createElement("input",{type:"text",value:selLeft!==null&&selRight!==null?formatTime(Math.abs(selRight-selLeft)):'',onChange:e=>{const parts=e.target.value.split(/[:.]/);if(parts.length===3&&selLeft!==null){const secs=parseInt(parts[0])*60+parseInt(parts[1])+parseFloat('0.'+(parts[2]||'0'));setSelectionEnd(selLeft+secs);}},className:"w-20 bg-black text-amber-300 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono"}),/*#__PURE__*/React.createElement("div",{className:"flex-1"}),/*#__PURE__*/React.createElement("div",{className:"text-xs font-bold font-mono text-zinc-100"},formatTime(currentTime))),(()=>{const dockPanels={top:[],right:[],bottom:[],left:[]};const addPanel=(id,pos,visible)=>{if(visible)dockPanels[pos].push(id);};addPanel('export',panelPositions.export,showExportPanel);addPanel('ai',panelPositions.ai,showAIPanel);addPanel('python_tools',panelPositions.python_tools||'bottom',showPythonToolsPanel);addPanel('selection',panelPositions.selection,showSelectionPanel);addPanel('media_explorer','bottom',showMediaExplorer);addPanel('fx_rack',panelPositions.fx_rack||'bottom',showFxRack);addPanel('midi_events',panelPositions.midi_events||'bottom',showMidiEvents);const closePanel=id=>{if(id==='export')setShowExportPanel(false);else if(id==='ai')setShowAIPanel(false);else if(id==='python_tools')setShowPythonToolsPanel(false);else if(id==='selection')setShowSelectionPanel(false);else if(id==='media_explorer')setShowMediaExplorer(false);else if(id==='fx_rack')setShowFxRack(false);else if(id==='midi_events')setShowMidiEvents(false);};const renderPanelContent=panelId=>{const h=id=>e=>{startPanelDrag(id,e);};if(panelId==='export')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('export',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-zinc-200 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"save",className:"w-3.5 h-3.5 text-cyan-400"}))," Export"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('export'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Ngu\u1ed3n"),/*#__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"},"\u0110\u1ecbnh d\u1ea1ng"),/*#__PURE__*/React.createElement("select",{value:exportSettings.format,onChange:e=>setExportSettings(p=>({...p,format:e.target.value,sampleRate:e.target.value==='wav'?'44100':e.target.value==='mp3'?'44100':'44100',bitDepth:e.target.value==='wav'?'16':'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"},/*#__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-2 gap-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"SR (Hz)"),/*#__PURE__*/React.createElement("select",{value:exportSettings.sampleRate,onChange:e=>setExportSettings(p=>({...p,sampleRate:e.target.value})),className:"w-full bg-[#141414] border border-zinc-800 rounded px-1 py-0.5 text-xs text-zinc-300 focus:outline-none"},/*#__PURE__*/React.createElement("option",{value:"22500"},"22500"),/*#__PURE__*/React.createElement("option",{value:"44100"},"44100"))),/*#__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:"8"},"8"),/*#__PURE__*/React.createElement("option",{value:"16"},"16"),/*#__PURE__*/React.createElement("option",{value:"24"},"24")))):/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("label",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Ch\u1ea5t l\u01b0\u1ee3ng"),/*#__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("div",{className:"grid grid-cols-2 gap-1"},/*#__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",null)),/*#__PURE__*/React.createElement("button",{onClick:triggerWavExport,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("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"download-cloud",className:"w-3 h-3"})),isExporting?'...':'Export'));if(panelId==='ai'){const selMidiInfo=getSelectedMidiItemInfo();const hasSelItem=!!selMidiInfo;const promptMgr=window.PromptTemplateManager?new window.PromptTemplateManager():null;const suggestions=promptMgr?promptMgr.getContextualSuggestions(hasSelItem):[];const handleApplySuggestion=preset=>{if(hasSelItem){setAiPrompt(`Rearrange this melody line in ${preset.name} style`);}else{setAiPrompt(preset.system_instruction_template);}setShowAiTypeahead(false);setAiSuggestions([]);};return/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-1.5 flex-1 min-h-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('ai',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-zinc-200 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-3.5 h-3.5 text-purple-400"}))," AI Copilot"),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:()=>setAiPresetModalOpen(true),className:"text-zinc-600 hover:text-zinc-300 mr-0.5",title:"Preset Manager"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3 h-3"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>{setAiActionLog([]);showToast('Đã xoá nhật ký AI.','info');},className:"text-zinc-600 hover:text-zinc-300",title:"Clear log"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"trash-2",className:"w-3 h-3"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('ai'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}))))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5 w-full min-w-0 pb-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-3 h-3 text-purple-400"})),/*#__PURE__*/React.createElement("select",{value:selectedProviderId,onChange:e=>setSelectedProviderId(e.target.value),className:"flex-1 min-w-0 max-w-full bg-[#141414] text-zinc-200 border border-zinc-700 rounded px-1 py-0.5 text-xs font-mono focus:outline-none focus:border-purple-600 truncate"},aiProviders.length===0?/*#__PURE__*/React.createElement("option",{value:""},"Chưa có provider"):aiProviders.map(p=>/*#__PURE__*/React.createElement("option",{key:p.id,value:p.id},p.name,p.is_active?'':' (inactive)')))),/*#__PURE__*/React.createElement("div",{className:"border-t border-zinc-800 pt-1 mt-1 shrink-0"},/*#__PURE__*/React.createElement("button",{onClick:()=>{if(window.DAWCommandDispatcher&&window.DAWCommandDispatcher.undo){const entry=window.DAWCommandDispatcher.undo();if(entry){setAiActionLog(prev=>[...prev,{type:'undo',text:`Undo: ${entry.name}`,time:Date.now()}]);showToast(`Undo AI: ${entry.name}`,'info');}}else{handleUndo();setAiActionLog(prev=>[...prev,{type:'undo',text:'Undo (Ctrl+Z)',time:Date.now()}]);}},className:"w-full text-[10px] text-amber-400 hover:text-amber-300 border border-amber-800 rounded py-0.5"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center justify-center gap-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"rotate-ccw",className:"w-3 h-3"}),"Undo"))),/*#__PURE__*/React.createElement("div",{className:"flex-1 min-h-0 flex flex-col overflow-hidden mt-1"},/*#__PURE__*/React.createElement("div",{className:"text-[10px] font-bold text-zinc-400 uppercase shrink-0 pb-0.5"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center gap-1"},/*#__PURE__*/React.createElement("i",{"data-lucide":"list",className:"w-3 h-3"})," Action Log")),/*#__PURE__*/React.createElement("div",{ref:actionLogContainerRef,className:"flex-1 overflow-y-auto no-scrollbar bg-[#0f0f0f] rounded border border-zinc-800 select-text"},aiActionLog.length===0?/*#__PURE__*/React.createElement("div",{className:"text-xs text-zinc-600 italic select-text"},"Chưa có hành động nào."):aiActionLog.map((entry,i)=>/*#__PURE__*/React.createElement("div",{key:i,className:`text-xs font-mono py-0.5 border-b border-zinc-900 last:border-0 ${entry.type==='error'?'text-red-400':entry.type==='status'?'text-zinc-400 italic':entry.type==='undo'?'text-amber-400':'text-zinc-300'}`},new Date(entry.time).toLocaleTimeString(),entry.text)))),/*#__PURE__*/React.createElement("div",{className:`flex items-center gap-1 px-1 py-0.5 rounded mb-1 shrink-0 ${hasSelItem?'bg-amber-950/30 border border-amber-800/40':''}`},hasSelItem?/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("span",{className:"flex items-center gap-1 text-[10px] text-amber-400 font-semibold shrink-0"},/*#__PURE__*/React.createElement("span",{className:"w-1.5 h-1.5 rounded-full bg-amber-400 animate-pulse"}),"MIDI: ",/*#__PURE__*/React.createElement("strong",{className:"truncate max-w-[80px]"},selMidiInfo.itemName||selMidiInfo.itemId)),/*#__PURE__*/React.createElement("div",{className:"flex flex-wrap gap-1 overflow-x-auto"},suggestions.slice(0,6).map(p=>/*#__PURE__*/React.createElement("button",{key:p.id,onClick:()=>handleApplySuggestion(p),className:"px-1.5 py-0.5 rounded-full bg-amber-950/40 border border-amber-800/50 text-[10px] text-amber-200 hover:bg-amber-800/50 whitespace-nowrap"},p.is_favorite?"★":"✨"," ",p.name)))):/*#__PURE__*/React.createElement("div",{className:"flex flex-wrap gap-1"},suggestions.slice(0,4).map(p=>/*#__PURE__*/React.createElement("button",{key:p.id,onClick:()=>handleApplySuggestion(p),className:"px-1.5 py-0.5 rounded-full bg-indigo-950/40 border border-indigo-800/50 text-[10px] text-indigo-200 hover:bg-indigo-800/50 whitespace-nowrap"},p.is_favorite?"★":"✨"," ",p.name)))),/*#__PURE__*/React.createElement("div",{className:"border-t border-zinc-800 pt-1.5 mt-1 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"text-xs font-bold text-zinc-400 uppercase mb-1 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"message-square",className:"w-3 h-3"}))," Copilot Prompt"),/*#__PURE__*/React.createElement("textarea",{value:aiPrompt,onChange:e=>{const v=e.target.value;setAiPrompt(v);if(v.trim().length>=2&&promptMgr){const matches=promptMgr.presets.filter(p=>p.keywords.some(kw=>kw.toLowerCase().includes(v.toLowerCase()))||p.name.toLowerCase().includes(v.toLowerCase()));setAiSuggestions(matches);setShowAiTypeahead(matches.length>0);}else{setShowAiTypeahead(false);}},placeholder:hasSelItem?"Nhập lệnh rearrange... (VD: Jazz Swing, Arpeggio)":"Nhập lệnh điều khiển DAW... (VD: Tạo track mới tên Beat, đặt BPM 128)",className:"w-full bg-[#1e1e1e] text-zinc-200 p-1.5 rounded border border-zinc-700 focus:outline-none focus:border-purple-600 font-mono text-xs resize-y",rows:4,onKeyDown:e=>{if(e.key==='Enter'&&!e.shiftKey){e.preventDefault();handleAISend();}else if(e.key==='Tab'&&showAiTypeahead&&aiSuggestions.length>0){e.preventDefault();handleApplySuggestion(aiSuggestions[0]);}else if(e.key==='ArrowUp'&&promptHistRef.current.length>0&&e.target.selectionStart===0){e.preventDefault();const idx=promptHistIdx===-1?promptHistRef.current.length-1:Math.max(0,promptHistIdx-1);setPromptHistIdx(idx);setAiPrompt(promptHistRef.current[idx]);}else if(e.key==='ArrowDown'&&e.target.selectionStart===aiPrompt.length){e.preventDefault();if(promptHistIdx===-1)return;const idx=promptHistIdx+1;if(idx>=promptHistRef.current.length){setPromptHistIdx(-1);setAiPrompt('');}else{setPromptHistIdx(idx);setAiPrompt(promptHistRef.current[idx]);}}}}),showAiTypeahead&&aiSuggestions.length>0&&/*#__PURE__*/React.createElement("div",{ref:aiTypeaheadRef,className:"absolute bottom-full left-0 right-0 bg-[#1e1e1e] border border-indigo-600/50 rounded-lg shadow-2xl z-50 max-h-36 overflow-y-auto mb-1"},/*#__PURE__*/React.createElement("div",{className:"px-2 py-1 text-[10px] uppercase tracking-wider font-semibold text-indigo-400 bg-[#141414] border-b border-zinc-800"},"Gợi ý (",aiSuggestions.length,")"),aiSuggestions.slice(0,8).map(p=>/*#__PURE__*/React.createElement("div",{key:p.id,onClick:()=>handleApplySuggestion(p),className:"px-2 py-1 hover:bg-indigo-700/30 cursor-pointer border-b border-zinc-800/30 flex items-center justify-between text-[11px]"},/*#__PURE__*/React.createElement("span",null,/*#__PURE__*/React.createElement("span",{className:"font-semibold text-zinc-200"},p.name),/*#__PURE__*/React.createElement("span",{className:"ml-1.5 text-zinc-500"},"(",p.category,")")),/*#__PURE__*/React.createElement("span",{className:"text-[10px] bg-zinc-800 text-zinc-400 px-1 py-0.5 rounded"},"Tab"))))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 mt-1 shrink-0"},/*#__PURE__*/React.createElement("button",{onClick:handleAISend,disabled:aiProcessing,className:"flex-1 py-1 bg-purple-700 hover:bg-purple-600 text-white font-bold rounded text-xs border border-purple-500 flex items-center justify-center gap-1"},aiProcessing?'Đang suy luận...':/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"send",className:"w-3 h-3"}))," Gửi")),/*#__PURE__*/React.createElement("button",{onClick:()=>{setAiPrompt('');setAiActionLog([]);},className:"px-2 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-400 rounded text-xs border border-zinc-700"},"Clear")),/*#__PURE__*/React.createElement("div",{className:"text-xs text-zinc-600 shrink-0"},hasSelItem?"Enter gửi rearrange | Tab chọn gợi ý":"Enter để gửi nhanh"));}if(panelId==='python_tools')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('python_tools',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-amber-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"wrench",className:"w-3.5 h-3.5 text-amber-400"}))," DSP Tools"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('python_tools'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"p-1.5 bg-[#141414] rounded border border-zinc-800 text-[10px] font-mono text-zinc-400 space-y-0.5 leading-relaxed"},dspSelectionStats?[/*#__PURE__*/React.createElement("div",{key:"track"},`Track: ${dspSelectionStats.trackName}`),/*#__PURE__*/React.createElement("div",{key:"range"},`Range: ${dspSelectionStats.timeRange}`),/*#__PURE__*/React.createElement("div",{key:"ch"},`Channels: ${dspSelectionStats.channels}`),/*#__PURE__*/React.createElement("div",{key:"peak"},`Peak Vol: ${dspSelectionStats.peakVolume}`)]:"Chưa chọn track"),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1 text-xs"},/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('normalize'),className:"py-1 bg-amber-950/80 hover:bg-amber-900 text-amber-300 border border-amber-800/80 rounded font-bold flex items-center justify-center gap-1"},"⚡ Peak Norm (0dB)"),/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('invert_phase'),className:"py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-200 border border-zinc-700 rounded font-bold flex items-center justify-center gap-1"},"🔄 Phase Invert"),/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('swap_channels'),className:"py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-200 border border-zinc-700 rounded font-bold flex items-center justify-center gap-1"},"🔀 Swap L/R"),/*#__PURE__*/React.createElement("button",{onClick:()=>runPythonTool('synth_wave'),className:"py-1 bg-teal-950/80 hover:bg-teal-900 text-teal-300 border border-teal-800/80 rounded font-bold flex items-center justify-center gap-1"},"🎹 Gen Synth Tone")));if(panelId==='selection')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('selection',e)},/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500 font-bold uppercase flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"}))," Selection"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('selection'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-1 bg-[#141414] p-1.5 rounded border border-zinc-800"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Start"),/*#__PURE__*/React.createElement("input",{type:"number",step:"0.01",value:selectionStats.start,onChange:e=>handleSelectionInputChange('start',e.target.value),className:"w-full bg-[#242424] text-amber-400 text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"End"),/*#__PURE__*/React.createElement("input",{type:"number",step:"0.01",value:selectionStats.end,onChange:e=>handleSelectionInputChange('end',e.target.value),className:"w-full bg-[#242424] text-amber-400 text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col justify-center"},/*#__PURE__*/React.createElement("span",{className:"text-[7px] text-zinc-500 font-bold uppercase"},"Len"),/*#__PURE__*/React.createElement("span",{className:"text-zinc-200 font-mono text-xs font-semibold mt-0.5"},selectionStats.length,"s"))),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-3 gap-1 bg-[#141414] p-1.5 rounded border border-zinc-800 mt-1"},/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"Begin Bar"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:beginBar,onChange:e=>{const b=parseInt(e.target.value)||0;setBeginBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;clearLocalSelection();setSelectionMode('global');setSelectionStart(t);setSelectionEnd(t+beatDuration*4);},className:"w-full bg-[#242424] text-white text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",null,/*#__PURE__*/React.createElement("span",{className:"block text-[7px] text-zinc-500 font-bold uppercase mb-0.5"},"End Bar"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:endBar,onChange:e=>{const b=parseInt(e.target.value)||0;setEndBar(b);const beatDuration=60/parseInt(bpm||120);const t=b*beatDuration*4;setSelectionEnd(t+beatDuration*4);setNumberBar(b-beginBar+1);},className:"w-full bg-[#242424] text-white text-center font-mono text-xs rounded py-0.5 border border-zinc-700 focus:outline-none"})),/*#__PURE__*/React.createElement("div",{className:"flex flex-col justify-center"},/*#__PURE__*/React.createElement("span",{className:"text-[7px] text-zinc-500 font-bold uppercase"},"# Bars"),/*#__PURE__*/React.createElement("span",{className:"text-zinc-200 font-mono text-xs font-semibold mt-0.5"},numberBar))));if(panelId==='media_explorer')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('media_explorer',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-emerald-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"folder-open",className:"w-3.5 h-3.5 text-emerald-400"}))," Media Explorer"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('media_explorer'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto text-xs text-zinc-400 font-mono p-2"},"// Placeholder: Media files browser"));if(panelId==='fx_rack')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('fx_rack',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-rose-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3.5 h-3.5 text-rose-400"}))," Plugin FX Rack"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('fx_rack'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"flex-1 text-xs text-zinc-500 italic flex items-center justify-center"},"No FX plugins loaded"));if(panelId==='midi_events')return/*#__PURE__*/React.createElement("div",{className:"flex flex-col h-full gap-1.5"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between shrink-0 cursor-grab active:cursor-grabbing select-none",onMouseDown:e=>startPanelDrag('midi_events',e)},/*#__PURE__*/React.createElement("h3",{className:"font-bold text-xs text-sky-300 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"grip-vertical",className:"w-3 h-3 text-zinc-500"})),/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"music",className:"w-3.5 h-3.5 text-sky-400"}))," MIDI Event List"),/*#__PURE__*/React.createElement("button",{onClick:()=>closePanel('midi_events'),className:"text-zinc-600 hover:text-zinc-300"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"})))),/*#__PURE__*/React.createElement("div",{className:"flex-1 text-xs text-zinc-500 italic flex items-center justify-center"},"No MIDI events selected"));return null;};const renderDock=(pos,title)=>{const panels=dockPanels[pos];if(panels.length===0)return null;const isSide=pos==='left'||pos==='right';const borderClass=pos==='left'?'border-r':pos==='right'?'border-l':pos==='top'?'border-b':'border-t';const bgClass='bg-[#1e1e1e]';const highlight=panelDragRef.current&&panelDropZone===pos;if(pos==='right')return/*#__PURE__*/React.createElement("div",{id:"right-sidebar",className:`${borderClass} ${bgClass} flex flex-col overflow-hidden select-none h-full`,style:{width:`${rightSidebarWidth}px`,minWidth:'200px',maxWidth:'600px',flexShrink:0}},/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col gap-2 p-2 overflow-hidden h-full"},panels.map((p,idx)=>/*#__PURE__*/React.createElement(React.Fragment,{key:p},/*#__PURE__*/React.createElement("div",{className:'flex flex-col flex-1 min-h-0 border border-zinc-700 rounded-lg bg-[#262626] shadow-sm p-3'},renderPanelContent(p)),idx<panels.length-1&&/*#__PURE__*/React.createElement("div",{className:"h-1.5 cursor-ns-resize hover:bg-cyan-500/50 transition-colors rounded shrink-0",onMouseDown:startRowResize})))));const sideClass=isSide?'shrink-0 overflow-y-auto':'shrink-0';return/*#__PURE__*/React.createElement("div",{id:"daw-bottom",className:`${sideClass} ${borderClass} ${bgClass} flex ${isSide?'flex-col p-2 gap-2':'flex-row p-1.5 gap-3'} select-none ${highlight?'ring-2 ring-cyan-500 ring-inset':''}`},panels.map(p=>/*#__PURE__*/React.createElement("div",{key:p,className:`${isSide?'w-full':'flex-none w-[320px]'} border border-zinc-700 rounded-lg bg-[#262626] shadow-sm p-2`},renderPanelContent(p))));};return/*#__PURE__*/React.createElement("div",{ref:workspaceRef,className:"flex-1 flex flex-col overflow-hidden select-none daw-bg relative"},panelDragRef.current&&panelDropZone&&/*#__PURE__*/React.createElement("div",{className:"absolute inset-0 z-50 pointer-events-none"},panelDropZone==='top'&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 left-0 right-0 h-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"}),panelDropZone==='bottom'&&/*#__PURE__*/React.createElement("div",{className:"absolute bottom-0 left-0 right-0 h-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"}),panelDropZone==='left'&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 left-0 w-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"}),panelDropZone==='right'&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 right-0 w-1 bg-cyan-400 shadow-[0_0_8px_#06b6d4]"})),dragGhostPanel&&dragGhostPos&&/*#__PURE__*/React.createElement("div",{className:"fixed z-[100] pointer-events-none opacity-80 border border-cyan-500 rounded-lg bg-[#262626] shadow-2xl p-3 w-56",style:{left:dragGhostPos.x,top:dragGhostPos.y}},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 text-xs text-zinc-200 font-bold"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"move",className:"w-3.5 h-3.5 text-cyan-400"})),dragGhostPanel==='export'?'Export Panel':dragGhostPanel==='ai'?'AI Panel':dragGhostPanel==='python_tools'?'Audio Processing Panel':'Selection Panel'),/*#__PURE__*/React.createElement("div",{className:"text-xs text-zinc-500 mt-1"},"Drop at edge to dock")),renderDock('top','Top'),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex overflow-hidden"},renderDock('left','Left'),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col overflow-hidden min-w-0"},/*#__PURE__*/React.createElement("div",{className:"flex-1 flex overflow-hidden"},activeTab==='main'||sessionTabs.some(s=>s.id===activeTab)?/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{ref:tcpContainerRef,onScroll:handleTCPScroll,className:"shrink-0 z-20 bg-[#262626] overflow-y-auto flex flex-col border-r border-zinc-900 no-scrollbar",style:{width:tcpWidth+'px',scrollbarWidth:'none',msOverflowStyle:'none'}},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-50 flex items-center justify-between h-10 border-b border-zinc-900 bg-[#242424] px-2 shrink-0"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-zinc-300 flex items-center gap-1.5"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3.5 h-3.5 text-cyan-400"})),"TRACKS (",activeTracks.length,")"),/*#__PURE__*/React.createElement("button",{onClick:addNewTrack,className:"px-2.5 py-1 bg-cyan-600 hover:bg-cyan-500 text-white rounded text-xs font-semibold flex items-center gap-1 shadow transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-3 h-3"}))," Add Track")),/*#__PURE__*/React.createElement("div",{className:"sticky top-10 z-40 flex h-[40px] border-b border-purple-500/30 bg-[#1a1a2e] p-2 border-l-4 border-purple-500 shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between w-full"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-purple-400 font-mono"},"TM"),/*#__PURE__*/React.createElement("span",{className:"text-xs font-semibold text-zinc-300"},"Tempo")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("input",{type:"number",value:bpm,onChange:e=>setBpm(e.target.value),onBlur:()=>localStorage.setItem('studio_bpm',bpm),className:"w-12 bg-zinc-800 border border-zinc-700 rounded text-xs text-zinc-300 text-center font-mono focus:outline-none focus:border-purple-500",min:"40",max:"300"}),/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500"},"BPM")))),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col divide-y divide-[#141414] bg-[#262626]"},activeTracks.length===0?/*#__PURE__*/React.createElement("div",{className:"p-6 text-center text-zinc-400 flex flex-col items-center justify-center space-y-3"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus-circle",className:"w-8 h-8 text-cyan-400 opacity-80"})),/*#__PURE__*/React.createElement("p",{className:"text-xs font-medium"},"Chưa có Track nào trong dự án."),/*#__PURE__*/React.createElement("button",{onClick:addNewTrack,className:"px-3 py-1.5 bg-cyan-600 hover:bg-cyan-500 text-white rounded text-xs font-semibold flex items-center gap-1.5 shadow"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus-circle",className:"w-3.5 h-3.5"}))," Thêm Track Mới")):activeTracks.map((track,idx)=>{const isSelected=selectedTrackId===track.id;const autoHeight=track.height||(track.isArmed?164:140);return/*#__PURE__*/React.createElement("div",{key:track.id,style:{height:`${autoHeight}px`},className:`shrink-0 relative flex flex-col justify-between p-2.5 bg-[#1e1e1e] border-r border-zinc-900 cursor-pointer border-l-4 border-b border-[#141414] overflow-hidden ${isSelected?'border-cyan-500 bg-[#252525]':'border-transparent hover:bg-zinc-800/20'}`,onClick:()=>setSelectedTrackId(track.id)},/*#__PURE__*/React.createElement("div",{className:"flex items-start justify-between"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-zinc-500 font-mono"},(idx+1).toString().padStart(2,'0')),/*#__PURE__*/React.createElement("label",{onClick:e=>{e.stopPropagation();const el=e.currentTarget.querySelector('input');if(el)el.click();},className:"cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"color",value:track.color||'#0f766e',onChange:e=>{e.stopPropagation();updateTrackColor(track.id,e.target.value);},className:"w-0 h-0 opacity-0 absolute pointer-events-none"}),/*#__PURE__*/React.createElement("div",{className:"w-3 h-3 rounded-full border border-zinc-600 hover:scale-110 transition-transform",style:{backgroundColor:track.color}})),editingTrackName===track.id?/*#__PURE__*/React.createElement("input",{type:"text",value:editNameInput,autoFocus:true,onChange:e=>setEditNameInput(e.target.value),onBlur:()=>{updateTrackName(track.id,editNameInput||track.name);setEditingTrackName(null);},onKeyDown:e=>{if(e.key==='Enter'){updateTrackName(track.id,editNameInput||track.name);setEditingTrackName(null);}if(e.key==='Escape')setEditingTrackName(null);},onClick:e=>e.stopPropagation(),className:"text-xs font-semibold bg-black text-zinc-200 border border-cyan-500 rounded px-1 py-0 w-24 outline-none"}):/*#__PURE__*/React.createElement("span",{className:"text-xs font-semibold text-zinc-300 truncate max-w-[80px] cursor-text hover:text-cyan-300 transition-colors",title:"Click to rename",onClick:e=>{e.stopPropagation();setEditingTrackName(track.id);setEditNameInput(track.name);}},track.name)),/*#__PURE__*/React.createElement("div",{className:"flex flex-wrap gap-0.5 max-w-[100px] mb-0.5"},(track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',name:track.name,startTime:track.startTime}]:[]).slice(0,3).map(c=>/*#__PURE__*/React.createElement("span",{key:c.id,className:"text-[9px] font-mono text-zinc-500 bg-zinc-800/60 rounded px-0.5 truncate max-w-[90px] cursor-pointer hover:text-cyan-400 hover:bg-zinc-700",title:c.name||track.name,onClick:e=>{e.stopPropagation();setSelectedTrackId(track.id);clearLocalSelection();setSelectionMode('global');const start=c.startTime||0;const end=start+(c.buffer?c.buffer.duration:2);setSelectionStart(start);setSelectionEnd(end);showToast(`Selected: ${c.name||track.name}`,'info');}},c.name||track.name),editingClipName&&editingClipName.trackId===track.id&&editingClipName.clipId===c.id?/*#__PURE__*/React.createElement("input",{type:"text",value:editNameInput,autoFocus:true,onChange:e=>setEditNameInput(e.target.value),onBlur:()=>{if(editNameInput.trim())updateClipName(track.id,c.id,editNameInput.trim());setEditingClipName(null);},onKeyDown:e=>{if(e.key==='Enter'){if(editNameInput.trim())updateClipName(track.id,c.id,editNameInput.trim());setEditingClipName(null);}if(e.key==='Escape')setEditingClipName(null);},onClick:e=>e.stopPropagation(),className:"w-20 text-[9px] font-mono bg-black text-cyan-300 border border-cyan-500 rounded px-0.5 py-0 outline-none"}):/*#__PURE__*/React.createElement("button",{className:"text-[9px] text-zinc-600 hover:text-cyan-400 ml-0.5 shrink-0",title:"Sửa tên clip",onClick:e=>{e.stopPropagation();setEditingClipName({trackId:track.id,clipId:c.id});setEditNameInput(c.name||track.name);}},/*#__PURE__*/React.createElement("i",{"data-lucide":"pencil",className:"w-2.5 h-2.5"})))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackMute(track.id);},title:"Mute",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.muted?'bg-red-950 text-red-400 border-red-700':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":track.muted?"volume-x":"volume-2",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackSoloEvaluate(track.id);},title:"Solo",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${soloedTrackId===track.id||track.solo?'bg-amber-950 text-amber-400 border-amber-600':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":soloedTrackId===track.id||track.solo?"headphones":"headphone-off",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackDrum(track.id);},title:track.is_percussion?"Drum Channel (CH 10) - Click to disable":"Toggle Drum Channel (CH 10)",className:`px-1.5 py-0.5 text-[9px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.is_percussion?'bg-rose-900 text-rose-300 border-rose-700':'bg-zinc-800 text-zinc-500 border-transparent hover:text-zinc-300'}`},/*#__PURE__*/React.createElement("span",{className:"text-[11px]"},"🥁"),track.is_percussion?/*#__PURE__*/React.createElement("span",{className:"text-[9px]"},"D"):null),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackArm(track.id);},title:"ARM (Record)",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.isArmed?'bg-red-600 text-white border-red-500 hover:bg-red-500':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":"circle",className:`w-2.5 h-2.5 ${track.isArmed?'fill-white':''}`})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackMonitor(track.id);},title:"Input Monitor",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.monitoringEnabled?'bg-amber-600 text-white border-amber-500 hover:bg-amber-500':'bg-zinc-800 text-zinc-500 border-transparent hover:text-zinc-305'}`},/*#__PURE__*/React.createElement("i",{"data-lucide":track.monitoringEnabled?"mic":"mic-off",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();deleteTrack(track.id);},className:"p-0.5 rounded text-red-500 hover:bg-red-950/40 hover:text-red-400 transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"trash-2",className:"w-3 h-3"}))))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-0.5 text-xs",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-xs"},"Vol:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-50",max:"7",step:"0.5",value:track.volumeDb??0,onChange:e=>updateTrackVolumeDb(track.id,parseFloat(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-cyan-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-12 text-right font-mono text-zinc-300 text-xs"},track.volumeDb??0,"dB")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-xs"},"Pan:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-100",max:"100",step:"1",value:track.pan??0,onChange:e=>updateTrackPan(track.id,parseInt(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-purple-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-12 text-right font-mono text-zinc-300 text-xs"},track.pan>0?'R'+track.pan:track.pan<0?'L'+Math.abs(track.pan):'C')),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 mt-0.5"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-[10px]"},"In:"),/*#__PURE__*/React.createElement("select",{value:`${track.inputSource?.deviceType||'NONE'}:${track.inputSource?.deviceId||''}`,onChange:e=>{const val=e.target.value;const parts=val.split(':');const type=parts[0];const id=parts.slice(1).join(':');updateTrackInputSource(track.id,type,id);},className:"flex-1 bg-[#18181b] text-zinc-300 text-[10px] rounded border border-zinc-700 focus:outline-none py-0.5 px-1 truncate max-w-[120px]"},/*#__PURE__*/React.createElement("option",{value:"NONE:"},"No Input"),/*#__PURE__*/React.createElement("optgroup",{label:"Microphones"},audioDevices.map(d=>/*#__PURE__*/React.createElement("option",{key:d.deviceId,value:`MICROPHONE:${d.deviceId}`},d.label||`Microphone ${d.deviceId.slice(0,5)}`))),/*#__PURE__*/React.createElement("optgroup",{label:"MIDI Keyboards"},/*#__PURE__*/React.createElement("option",{value:"MIDI_KEYBOARD:ALL"},"Any MIDI Keyboard"),midiDevices.map(d=>/*#__PURE__*/React.createElement("option",{key:d.id,value:`MIDI_KEYBOARD:${d.id}`},d.name||`MIDI Input ${d.id.slice(0,5)}`)))),track.isArmed&&lastMidiNote&&(lastMidiNote.length===0||Date.now()-lastMidiNote.time<3000)&&/*#__PURE__*/React.createElement("span",{className:"text-[9px] font-mono text-emerald-400 ml-0.5 truncate max-w-[60px] shrink-0",title:"MIDI Note:velocity:length"},`${midiPitchToName(lastMidiNote.pitch)}:${lastMidiNote.velocity}:${lastMidiNote.length>0?lastMidiNote.length.toFixed(2)+'s':'...'}`)),track.isArmed&&/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1 mt-0.5"},/*#__PURE__*/React.createElement("span",{className:"w-8 text-right text-zinc-500 text-[9px]"},"VU:"),/*#__PURE__*/React.createElement("canvas",{ref:el=>{if(el)trackVuRefs.current[track.id]=el;else delete trackVuRefs.current[track.id];},width:100,height:4,className:"flex-1 bg-[#18181b] rounded h-1"}))),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5 mt-1",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("input",{type:"file",id:`upload-${track.id}`,accept:"audio/*",className:"hidden",onChange:e=>loadFileOnTrack(track.id,e.target.files[0])}),/*#__PURE__*/React.createElement("label",{htmlFor:`upload-${track.id}`,className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 rounded text-xs flex items-center gap-1 cursor-pointer border border-zinc-700 font-medium"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"upload",className:"w-3 h-3"}))," File"),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();setFxSelectorTrackId(track.id);},className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-purple-400 border border-purple-900 rounded text-xs font-bold flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"wand-2",className:"w-3 h-3"}))," FX: ",/*#__PURE__*/React.createElement("span",{className:"text-zinc-500 font-normal"},track.fxType||"None")),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();openInstrumentSelector(track.id);},className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-amber-400 border border-amber-800 rounded text-xs font-bold flex items-center gap-1 max-w-[120px]"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"music",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"truncate text-[10px]"},track.instrumentName||track.instrumentId||"Synth"),/*#__PURE__*/React.createElement("i",{"data-lucide":"chevron-down",className:"w-3 h-3 shrink-0"}))),/*#__PURE__*/React.createElement("div",{onMouseDown:e=>handleTrackResizeMouseDown(e,track.id),className:"absolute bottom-0 left-0 right-0 h-1 cursor-ns-resize z-30 hover:bg-cyan-500/50 transition-colors",onClick:e=>e.stopPropagation()}));})),/*#__PURE__*/React.createElement("div",{className:"h-[48px] border-r border-zinc-900 bg-[#1e1e1e]/50 shrink-0"})),/*#__PURE__*/React.createElement("div",{className:"w-1 cursor-ew-resize hover:bg-cyan-500/50 active:bg-cyan-400 transition-colors shrink-0 z-10",onMouseDown:startTcpResize}),/*#__PURE__*/React.createElement("div",{ref:handleTimelineWrapperRef,onScroll:handleTimelineScroll,className:"flex-1 relative z-10 overflow-x-auto overflow-y-auto min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${timelineWidth}px`},className:"relative flex flex-col min-h-full"},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-30 bg-[#1a1a1a]"},/*#__PURE__*/React.createElement(TimelineRuler,{bpm:parseInt(bpm)||120,zoom:zoom,timelineWidth:timelineWidth,viewportWidth:viewportWidth,onPlayheadSet:handlePlayheadSet,snapValue:snapValue,onRulerMouseDown:e=>{setSelectionFollowsTempo(false);handleRulerMouseDown(e);},scrollLeft:scrollLeft,canvasRedrawCount:canvasRedrawCount}),/*#__PURE__*/React.createElement(TempoTrackLane,{bpm:parseInt(bpm)||120,zoom:zoom,timelineWidth:timelineWidth,viewportWidth:viewportWidth,onPlayheadSet:handlePlayheadSet,snapValue:snapValue,onRulerMouseDown:e=>{setSelectionFollowsTempo(true);handleRulerMouseDown(e);},scrollLeft:scrollLeft,canvasRedrawCount:canvasRedrawCount})),selectionMode==='global'&&selLeft!==null&&selRight!==null&&selRight>selLeft&&/*#__PURE__*/React.createElement("div",{className:"absolute inset-0 pointer-events-none z-20",style:{left:`${selLeft*zoom}px`,width:`${(selRight-selLeft)*zoom}px`,top:'80px'}},/*#__PURE__*/React.createElement("div",{className:"w-full h-full bg-amber-500/10",style:{borderLeft:'1px solid #f59e0b',borderRight:'1px solid #f59e0b'}})),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col divide-y divide-[#141414] relative bg-[#111111] min-h-full",onMouseDown:e=>{if(e.ctrlKey&&!e.shiftKey&&!e.altKey&&e.button===0){const wrapper=timelineWrapperRef.current;if(wrapper){const rect=wrapper.getBoundingClientRect();const sl=wrapper.scrollLeft;const raw=Math.max(0,(e.clientX-rect.left+sl)/zoom-leadInMargin);const time=snapValue!=='free'?snapTime(raw,snapValue,bpm):raw;handleSweepSelectStart(null,time);}}}},activeTracks.map((track,idx)=>{const isSelected=selectedTrackId===track.id;const autoHeight=track.height||(track.isArmed?164:140);return/*#__PURE__*/React.createElement("div",{key:track.id,style:{height:`${autoHeight}px`},className:`shrink-0 relative border-b border-[#141414] hover:bg-zinc-850/5 transition-colors ${isSelected?'bg-zinc-800/10':''}`,onDragOver:e=>e.preventDefault(),onDrop:e=>{e.preventDefault();if(e.dataTransfer.files[0])loadFileOnTrack(track.id,e.dataTransfer.files[0]);},onMouseEnter:()=>{setHoveredTrackId(track.id);hoveredTrackIdRef.current=track.id;}},/*#__PURE__*/React.createElement(WaveformLane,{track:track,zoom:zoom,timelineWidth:timelineWidth,viewportWidth:viewportWidth,scrollLeft:scrollLeft,onSelectRange:handleSelectRange,onPlayheadSet:handlePlayheadSet,isSelected:isSelected,selectedItemIds:selectedItemIds,onSelectTrack:setSelectedTrackId,markers:track.markers,onTrackLaneMouseDown:handleTrackLaneMouseDown,onClearSelection:()=>setSelectedItemIds(new Set()),onSweepSelectStart:handleSweepSelectStart,onDeselectItem:handleDeselectItem,onAddToSelection:handleAddToSelection,onSetPendingDrag:handleSetPendingDrag,onContextMenu:handleContextMenu,onClipDragStart:handleClipDragStart,onClipStretchStart:handleClipStretchStart,onSectionItemDragStart:handleSectionItemDragStart,onSectionItemResizeStart:handleSectionItemResizeStart,onSelectionEdgeDragStart:handleSelectionEdgeDragStart,setSelectedClipId:setSelectedClipId,selectedClipId:selectedClipId,activeTool:activeTool,onSplitTrackAtTime:handleSplitTrackAtTime,onEditClipInSubTab:handleEditClipInSubTab,onEditSectionInTab:handleEditSectionInTab,onEditMidiInTab:handleEditMidiInTab,snapValue:snapValue,bpm:bpm,selectionMode:selectionMode,localSelectionTrackId:localSelectionTrackId,localSelectionStart:localSelectionStart,currentTime:currentTime,getLocalAnchor:()=>localSelectionAnchorRef.current,onClearLocalSelection:clearLocalSelection,onSetSelectionMode:setSelectionMode,onSetSelectionStart:setSelectionStart,onSetSelectionEnd:setSelectionEnd,onSetCurrentTime:setCurrentTime,onSetLocalSelectionTrackId:setLocalSelectionTrackId,onSetLocalSelectionStart:setLocalSelectionStart,onSetLocalSelectionEnd:setLocalSelectionEnd,localSelLeft:localSelectionStart!==null&&localSelectionEnd!==null?Math.min(localSelectionStart,localSelectionEnd):null,localSelRight:localSelectionStart!==null&&localSelectionEnd!==null?Math.max(localSelectionStart,localSelectionEnd):null,scrollLeft:scrollLeft,recordingState:recordingState,recTempMidiNotes:recTempMidiNotes,recTempAudioBuffer:recTempAudioBuffer,recStartTimelineTime:recStartTimelineTime,canvasRedrawCount:canvasRedrawCount}),selectionMode==='local'&&localSelectionTrackId===track.id&&localSelectionStart!==null&&localSelectionEnd!==null&&Math.abs(localSelectionEnd-localSelectionStart)>0&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 border-l border-r border-amber-400 bg-amber-500/20 z-20 pointer-events-none",style:{left:`${Math.min(localSelectionStart,localSelectionEnd)*zoom}px`,width:`${Math.abs(localSelectionEnd-localSelectionStart)*zoom}px`}},/*#__PURE__*/React.createElement("div",{className:"absolute -left-[1px] top-0 bottom-0 w-[2px] bg-amber-400 z-30 pointer-events-auto cursor-ew-resize",onMouseDown:e=>handleHandleDragStart(e,'left')}),/*#__PURE__*/React.createElement("div",{className:"absolute -right-[1px] top-0 bottom-0 w-[2px] bg-amber-400 z-30 pointer-events-auto cursor-ew-resize",onMouseDown:e=>handleHandleDragStart(e,'right')})),sweepSelect&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 border-l border-r border-amber-400 bg-amber-500/10 z-20 pointer-events-none",style:{left:`${Math.min(sweepSelect.startTime,sweepSelect.endTime)*zoom}px`,width:`${Math.abs(sweepSelect.endTime-sweepSelect.startTime)*zoom}px`}}),track.buffer&&/*#__PURE__*/React.createElement("div",{className:"absolute right-2 top-2 flex items-center gap-1 z-10 opacity-70 hover:opacity-100"},/*#__PURE__*/React.createElement("button",{onClick:()=>handleSplitTrack(track.id),className:"px-1.5 py-0.5 bg-zinc-900/95 text-zinc-300 rounded text-xs flex items-center gap-1 border border-zinc-700/50"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-2.5 h-2.5 text-cyan-400"}))," Cắt")),/*#__PURE__*/React.createElement("div",{onMouseDown:e=>handleTrackResizeMouseDown(e,track.id),className:"absolute bottom-0 left-0 right-0 h-1 cursor-ns-resize z-30 hover:bg-cyan-500/50 transition-colors",onClick:e=>e.stopPropagation()}));}),/*#__PURE__*/React.createElement("div",{className:"h-[48px] flex items-center justify-center text-xs text-zinc-500 hover:bg-zinc-900/20 cursor-pointer select-none border-t border-dashed border-zinc-800",onMouseEnter:()=>{if(draggedClipRef.current||draggedSectionItemRef.current){setHoveredTrackId(addNewTrack());}},onClick:addNewTrack},/*#__PURE__*/React.createElement("span",{className:"flex items-center gap-1 text-zinc-400"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus",className:"w-3.5 h-3.5"}))," Kéo clip xuống hoặc Click tạo Track")),selectionMode==='global'&&selLeft!==null&&selRight!==null&&selRight>selLeft&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 border-l border-r border-amber-500 bg-amber-500/10 z-20 selection-interactive-box cursor-grab active:cursor-grabbing",style:{left:`${selLeft*zoom}px`,width:`${(selRight-selLeft)*zoom}px`},onMouseDown:handleSelectionBodyDragStart},/*#__PURE__*/React.createElement("div",{className:"absolute -left-[1px] top-0 bottom-0 w-[1px] bg-amber-500 hover:bg-amber-400 cursor-ew-resize z-30",onMouseDown:e=>handleHandleDragStart(e,'left')}),/*#__PURE__*/React.createElement("div",{className:"absolute -right-[1px] top-0 bottom-0 w-[1px] bg-amber-500 hover:bg-amber-400 cursor-ew-resize z-30",onMouseDown:e=>handleHandleDragStart(e,'right')})),/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 w-[2px] bg-[#ef4444] z-20 pointer-events-none",style:{left:`${playheadLeftPos}px`}},/*#__PURE__*/React.createElement("div",{className:"w-3 h-3 bg-[#ef4444] rotate-45 transform -translate-x-1/2 -translate-y-1/2 absolute top-0"})))))):(()=>{const st=subTabs.find(s=>s.id===activeTab);if(!st)return null;if(st.type==='PIANO_ROLL'){return/*#__PURE__*/React.createElement(PianoRollTabEditor,{st:st,zoom:zoom,bpm:bpm,viewportWidth:viewportWidth,activeTracks:activeTracks,onClose:()=>closeSubTab(st.id),onUpdateNotes:handleUpdateMidiNotes,onSaveNotes:handleSaveMidiNotes,setSubTabs:setSubTabs,onPlayPause:handlePlayPause,onStop:stopAllPlayback,isPlaying:isPlaying,playPreviewNote:playMidiPreviewNote,showToast:showToast,midiDevices:midiDevices,recordingState:recordingState,recTempMidiNotes:recTempMidiNotes,onRecord:handleRecordClick,selectedMidiInputId:selectedMidiInputId,onMidiInputSelect:handleMidiInputSelect,activeMidiPitches:activeMidiPitches,onInstrumentSelect:trackId=>{openInstrumentSelector(trackId);},onRescheduleMidi:updatedNotes=>{const playingSub=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL'&&s.isPlaying);if(playingSub){const offset=playingSub.currentTime||0;const ctx=getAudioContext();const tNode=activeTrackNodesRef.current[playingSub.trackId];if(tNode&&tNode.gainNode){tNode.gainNode.gain.setValueAtTime(tNode.gainNode.gain.value||1,ctx.currentTime);tNode.gainNode.gain.linearRampToValueAtTime(0.001,ctx.currentTime+0.04);}setTimeout(()=>{window.SonicSF.stopAll();if(tNode&&tNode.gainNode){const trackData=activeTracksRef.current?activeTracksRef.current.find(t=>t.id===playingSub.trackId):null;const volDb=trackData?trackData.volumeDb??0:0;const volLinear=volDb<=-50?0:Math.pow(10,volDb/20);tNode.gainNode.gain.setValueAtTime(0.001,ctx.currentTime);tNode.gainNode.gain.linearRampToValueAtTime(volLinear||0.8,ctx.currentTime+0.015);}startOffsetTimeRef.current=offset;startAudioTimeRef.current=ctx.currentTime;startBufferOffsetRef.current=offset*(playingSub.speed||1.0);schedulePianoRollMidi(playingSub,offset,updatedNotes);},50);}},onSeekPlayhead:clickTime=>{const seekSt=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(!seekSt)return;if(seekSt.isPlaying){stopAllPlayback();window.SonicSF.stopAll();setSubTabs(prev=>prev.map(s=>s.id===seekSt.id?{...s,currentTime:clickTime,isPlaying:true}:s));const ctx=getAudioContext();startOffsetTimeRef.current=clickTime;startAudioTimeRef.current=ctx.currentTime;startBufferOffsetRef.current=clickTime*(seekSt.speed||1.0);schedulePianoRollMidi(seekSt,clickTime);startSubTabPlayback(seekSt,clickTime);}else{setSubTabs(prev=>prev.map(s=>s.id===seekSt.id?{...s,currentTime:clickTime}:s));}}});}const subTrack=tracks.find(t=>t.id===st.trackId);const vTrack=subTrack?{...subTrack,buffer:st.buffer,isSubTab:true}:null;const subTabDuration=st.type==='PIANO_ROLL'?(()=>{const notes=st.notes||[];const beatSec=60.0/(parseFloat(bpm)||120);let maxEnd=0;notes.forEach(n=>{const end=(n.start_beat||0)+(n.duration_beats||1);if(end>maxEnd)maxEnd=end;});return maxEnd*beatSec+1.0;})():st.buffer&&'duration'in st.buffer?st.buffer.duration:4.0;const subTabTimelineWidth=Math.max(zoom*subTabDuration,viewportWidth);return/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{className:"shrink-0 z-30 bg-[#262626] overflow-y-scroll no-scrollbar flex flex-col border-r border-zinc-900",style:{width:tcpWidth+'px',scrollbarWidth:'none',msOverflowStyle:'none'}},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-50 flex items-center h-10 border-b border-zinc-900 bg-[#242424] px-2 justify-between shrink-0"},/*#__PURE__*/React.createElement("span",{className:"text-xs font-bold text-zinc-500 uppercase"},"Sub-Tab"),/*#__PURE__*/React.createElement("button",{onClick:()=>closeSubTab(st.id),className:"px-1.5 py-0.5 text-xs bg-zinc-800 hover:bg-zinc-700 text-zinc-400 rounded border border-zinc-700 flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}))," Close")),vTrack?/*#__PURE__*/React.createElement("div",{key:vTrack.id,className:"flex-1 flex flex-col p-2.5 bg-[#1e1e1e] border-r border-zinc-900 border-l-4 border-l-cyan-500"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between mb-2"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("label",{onClick:e=>{e.stopPropagation();const el=e.currentTarget.querySelector('input');if(el)el.click();},className:"cursor-pointer"},/*#__PURE__*/React.createElement("input",{type:"color",value:vTrack.color||'#0f766e',onChange:e=>{e.stopPropagation();updateTrackColor(vTrack.id,e.target.value);},className:"w-0 h-0 opacity-0 absolute pointer-events-none"}),/*#__PURE__*/React.createElement("div",{className:"w-3 h-3 rounded-full border border-zinc-600 hover:scale-110 transition-transform",style:{backgroundColor:vTrack.color}})),editingTrackName===vTrack.id?/*#__PURE__*/React.createElement("input",{type:"text",value:editNameInput,autoFocus:true,onChange:e=>setEditNameInput(e.target.value),onBlur:()=>{updateTrackName(vTrack.id,editNameInput||vTrack.name);setEditingTrackName(null);},onKeyDown:e=>{if(e.key==='Enter'){updateTrackName(vTrack.id,editNameInput||vTrack.name);setEditingTrackName(null);}if(e.key==='Escape')setEditingTrackName(null);},onClick:e=>e.stopPropagation(),className:"text-xs font-semibold bg-black text-zinc-200 border border-cyan-500 rounded px-1 py-0 w-24 outline-none"}):/*#__PURE__*/React.createElement("span",{className:"text-xs font-semibold text-zinc-300 truncate max-w-[80px] cursor-text hover:text-cyan-300 transition-colors",title:"Click to rename",onClick:e=>{e.stopPropagation();setEditingTrackName(vTrack.id);setEditNameInput(vTrack.name);}},vTrack.name)),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackMute(vTrack.id);},className:`px-1.5 py-0.5 text-xs rounded font-mono font-bold border ${vTrack.muted?'bg-red-950 text-red-400 border-red-700':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},"M"),/*#__PURE__*/React.createElement("button",{onClick:e=>{e.stopPropagation();toggleTrackSoloEvaluate(vTrack.id);},className:`px-1.5 py-0.5 text-xs rounded font-mono font-bold border ${soloedTrackId===vTrack.id||vTrack.solo?'bg-amber-950 text-amber-400 border-amber-600':'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`},"S"))),/*#__PURE__*/React.createElement("div",{className:"flex flex-col gap-2.5 text-[14px] mb-3"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-10 text-right text-zinc-500 text-[14px]"},"Vol:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-50",max:"7",step:"0.5",id:`tcp-vol-${st.id}`,value:vTrack.volumeDb??0,onChange:e=>updateTrackVolumeDb(vTrack.id,parseFloat(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-cyan-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-16 text-right font-mono text-zinc-300 text-[14px]",id:`tcp-vol-label-${st.id}`},vTrack.volumeDb??0,"dB")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"w-10 text-right text-zinc-500 text-[14px]"},"Pan:"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-100",max:"100",step:"1",id:`tcp-pan-${st.id}`,value:vTrack.pan??0,onChange:e=>updateTrackPan(vTrack.id,parseInt(e.target.value)),className:"flex-1 h-1 bg-zinc-700 rounded-lg appearance-none cursor-pointer accent-purple-500",style:{height:'4px'}}),/*#__PURE__*/React.createElement("span",{className:"w-16 text-right font-mono text-zinc-300 text-[14px]",id:`tcp-pan-label-detailed-${st.id}`},vTrack.pan>0?'R'+vTrack.pan:vTrack.pan<0?'L'+Math.abs(vTrack.pan):'C')),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-1.5 text-[14px]"},/*#__PURE__*/React.createElement("button",{onClick:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,isLooping:!s.isLooping}:s)),className:`px-2 py-0.5 text-[14px] rounded border font-bold ${st.isLooping?'bg-amber-700 text-white border-amber-500':'bg-zinc-800 text-zinc-400 border-zinc-700'}`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"repeat",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("button",{onClick:()=>updateSubTabEffects(st.id,{reverse:!(st.effects||{}).reverse}),className:`px-2 py-0.5 rounded border text-[14px] font-bold ${(st.effects||{}).reverse?'bg-zinc-600 text-white border-zinc-500':'bg-zinc-800 text-zinc-400 border-zinc-700'} flex items-center justify-center`,title:"Reverse"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"arrow-left-right",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("span",{className:"w-10 text-right text-zinc-500 text-[14px]"},"Loop:"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",max:"999",value:st.loopCount||0,onChange:e=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,loopCount:Math.max(0,parseInt(e.target.value)||0)}:s)),className:"w-12 bg-black text-amber-300 text-[14px] px-1 py-0.5 rounded border border-zinc-700 text-center font-mono",title:"Loop count"}))),/*#__PURE__*/React.createElement("div",{className:"flex gap-1 justify-between my-2.5"},/*#__PURE__*/React.createElement("div",{className:"flex flex-col items-center bg-zinc-900/60 p-1.5 rounded border border-zinc-800 flex-1"},/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-bold text-zinc-400 uppercase tracking-tighter",title:"Normalize"},"Norm"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-12",max:"0",step:"0.1",value:subTabNormVal,onChange:e=>setSubTabNormVal(parseFloat(e.target.value)),style:{writingMode:'vertical-lr',direction:'rtl',height:'120px',width:'20px',accentColor:'#a1a1aa'},className:"my-2 cursor-pointer"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-mono text-zinc-300 font-bold"},subTabNormVal,"dB"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTabEffect(st.id,'normalize',subTabNormVal),className:"mt-1.5 px-1 py-1 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 rounded text-[14px] font-bold w-full uppercase border border-zinc-650"},"Apply")),/*#__PURE__*/React.createElement("div",{className:"flex flex-col items-center bg-zinc-900/60 p-1.5 rounded border border-zinc-800 flex-1"},/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-bold text-zinc-400 uppercase tracking-tighter",title:"Pitch Shift"},"Pitch"),/*#__PURE__*/React.createElement("input",{type:"range",min:"-12",max:"12",step:"0.5",value:subTabPitchVal,onChange:e=>setSubTabPitchVal(parseFloat(e.target.value)),style:{writingMode:'vertical-lr',direction:'rtl',height:'120px',width:'20px',accentColor:'#a1a1aa'},className:"my-2 cursor-pointer"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-mono text-zinc-300 font-bold"},subTabPitchVal>0?'+':'',subTabPitchVal,"st"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTabEffect(st.id,'pitch',subTabPitchVal),className:"mt-1.5 px-1 py-1 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 rounded text-[14px] font-bold w-full uppercase border border-zinc-650"},"Apply")),/*#__PURE__*/React.createElement("div",{className:"flex flex-col items-center bg-zinc-900/60 p-1.5 rounded border border-zinc-800 flex-1"},/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-bold text-zinc-400 uppercase tracking-tighter",title:"Gain Multiplier"},"Gain"),/*#__PURE__*/React.createElement("input",{type:"range",min:"0",max:"150",step:"1",value:subTabGainVal,onChange:e=>setSubTabGainVal(parseInt(e.target.value)),style:{writingMode:'vertical-lr',direction:'rtl',height:'120px',width:'20px',accentColor:'#a1a1aa'},className:"my-2 cursor-pointer"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] font-mono text-zinc-300 font-bold"},subTabGainVal,"%"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTabEffect(st.id,'gain',subTabGainVal),className:"mt-1.5 px-1 py-1 bg-zinc-700 hover:bg-zinc-600 text-zinc-100 rounded text-[14px] font-bold w-full uppercase border border-zinc-650"},"Apply"))),/*#__PURE__*/React.createElement("div",{className:"flex-1"}),/*#__PURE__*/React.createElement("div",{className:"mt-auto pt-2.5 border-t border-zinc-800"},/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between text-[14px] text-zinc-500 mb-1 font-semibold uppercase"},/*#__PURE__*/React.createElement("span",null,"Duration:"),/*#__PURE__*/React.createElement("span",{className:"font-mono text-zinc-300"},st.buffer?formatTime(subTabDuration):'0s')),/*#__PURE__*/React.createElement("div",{className:"flex items-center justify-between text-[14px] text-zinc-500 mb-2.5 font-semibold uppercase"},/*#__PURE__*/React.createElement("span",null,"SR:"),/*#__PURE__*/React.createElement("span",{className:"font-mono text-zinc-300"},st.buffer?st.buffer.sampleRate:0," Hz")),/*#__PURE__*/React.createElement("div",{className:"grid grid-cols-2 gap-1 mb-2"},/*#__PURE__*/React.createElement("button",{onClick:async e=>{subTabAiTrackIdRef.current=st.trackId;handleAIScan();},disabled:analysisState.isRunning,className:"py-1 bg-purple-900 hover:bg-purple-800 text-purple-100 font-bold rounded text-xs border border-purple-700 flex items-center justify-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"map-pin",className:"w-3 h-3"}))," Scan"),/*#__PURE__*/React.createElement("button",{onClick:async e=>{subTabAiTrackIdRef.current=st.trackId;handleAICutToNewTrack();},disabled:analysisState.isRunning,className:"py-1 bg-fuchsia-800 hover:bg-fuchsia-700 text-white font-bold rounded text-xs flex items-center justify-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-3 h-3"}))," Cut"),/*#__PURE__*/React.createElement("button",{onClick:async e=>{subTabAiTrackIdRef.current=st.trackId;if(st.buffer){setSelectionRangeOnBuffer(st.buffer,st.selectionStart||0,st.selectionEnd||st.buffer.duration);}handleAIAnalysicLoop();},disabled:analysisState.isRunning,className:"py-1 bg-violet-800 hover:bg-violet-700 text-violet-100 font-bold rounded text-xs border border-violet-600 flex items-center justify-center gap-1 col-span-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sparkles",className:"w-3 h-3"}))," AI Analysic Loop")),/*#__PURE__*/React.createElement("button",{onClick:()=>exportSubTabBuffer(st.id),className:"w-full py-1.5 mb-1.5 bg-blue-700 hover:bg-blue-600 text-white font-bold rounded text-[14px] flex items-center justify-center gap-1 transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"download",className:"w-4 h-4"}))," Export"),/*#__PURE__*/React.createElement("button",{onClick:()=>applySubTab(st.id),className:"w-full py-1.5 bg-emerald-700 hover:bg-emerald-600 text-white font-bold rounded text-[14px] flex items-center justify-center gap-1 transition"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"save",className:"w-4 h-4"}))," Save"))):/*#__PURE__*/React.createElement("div",{className:"flex-1 flex items-center justify-center text-xs text-zinc-500"},"Track not found")),/*#__PURE__*/React.createElement("div",{className:"w-1 cursor-ew-resize hover:bg-cyan-500/50 active:bg-cyan-400 transition-colors shrink-0 z-10",onMouseDown:startTcpResize}),/*#__PURE__*/React.createElement("div",{ref:handleTimelineWrapperRef,className:"flex-1 relative z-10 overflow-x-auto overflow-y-auto min-w-0"},/*#__PURE__*/React.createElement("div",{style:{width:`${subTabTimelineWidth}px`},className:"relative flex flex-col min-h-full"},/*#__PURE__*/React.createElement("div",{className:"sticky top-0 z-30 bg-[#1a1a1a]"},/*#__PURE__*/React.createElement(TimelineRuler,{bpm:parseInt(bpm)||120,zoom:zoom,timelineWidth:subTabTimelineWidth,viewportWidth:viewportWidth,onPlayheadSet:setCurrentTime,snapValue:snapValue,onRulerMouseDown:e=>{setSelectionFollowsTempo(false);const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const sl=wrapper.scrollLeft;const raw=Math.max(0,(e.clientX-rect.left+sl)/zoom);const t=snapValue!=='free'?snapTime(raw,snapValue,bpm):raw;if(e.ctrlKey){e.preventDefault();e.stopPropagation();setSubTabs(prev=>prev.map(s=>s.id===activeTab?{...s,selectionStart:null,selectionEnd:null}:s));return;}if(e.shiftKey){e.preventDefault();e.stopPropagation();}handlePlayheadSet(t);subTabDragStartRef.current=t;isDraggingSubTabRef.current=true;},scrollLeft:scrollLeft,canvasRedrawCount:canvasRedrawCount})),/*#__PURE__*/React.createElement("div",{className:"flex-1 flex flex-col relative bg-[#111111] min-h-full"},vTrack&&/*#__PURE__*/React.createElement("div",{style:{height:`${subTabHeight}px`},className:"relative overflow-hidden border-2 border-purple-500/40 rounded bg-[#151515] mx-1 mt-1 shrink-0"},/*#__PURE__*/React.createElement(SubTabWaveform,{buffer:st.buffer,subTabId:st.id,activeTab:activeTab,activeTool:activeTool,currentTime:st.currentTime,selectionStart:st.selectionStart,selectionEnd:st.selectionEnd,onSelectRange:(start,end)=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:start,selectionEnd:end}:s)),onPlayheadSet:time=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,currentTime:time}:s)),onContextMenu:(e,clickTime)=>setContextMenu({x:e.clientX,y:e.clientY,isSubTab:true,subTabId:st.id,time:clickTime}),zoom:zoom,timelineWidth:subTabTimelineWidth,color:vTrack.color,name:vTrack.name,speed:st.speed||1.0,volumeNodes:st.volumeNodes||[],panningNodes:st.panningNodes||[],fadeInLen:st.fadeInLen||0,fadeOutLen:st.fadeOutLen||0,graphMode:st.graphMode,channelInfo:st.channelInfo,selectedNodeTime:subTabSelectedNodeTime,setSelectedNodeTime:setSubTabSelectedNodeTime,onUpdateNodes:nodes=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,[s.graphMode==='pan'?'panningNodes':'volumeNodes']:nodes}:s)),onUpdateFade:fade=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,fadeInLen:fade.fadeInLen??s.fadeInLen,fadeOutLen:fade.fadeOutLen??s.fadeOutLen}:s)),onModeToggle:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,graphMode:s.graphMode==='pan'?null:'pan'}:s)),onSpeedChange:newSpeed=>{setSubTabs(prev=>prev.map(s=>{if(s.id!==st.id)return s;const oldSpeed=s.speed||1.0;const ratio=oldSpeed/newSpeed;const newVolumeNodes=(s.volumeNodes||[]).map(n=>({...n,time:n.time*ratio}));const newPanningNodes=(s.panningNodes||[]).map(n=>({...n,time:n.time*ratio}));return{...s,speed:newSpeed,volumeNodes:newVolumeNodes,panningNodes:newPanningNodes,fadeInLen:(s.fadeInLen||0)*ratio,fadeOutLen:(s.fadeOutLen||0)*ratio,currentTime:(s.currentTime||0)*ratio,label:s.label.replace(/\s\(\d+%\)$/,'')+` (${Math.round(newSpeed*100)}%)`};}));const n=activeTrackNodesRef.current[st.trackId];if(n&&n.source)n.source.playbackRate.value=newSpeed;// Reset time refs to prevent playhead jump when speed changes mid-playback
 const ctx=getAudioContext();const elapsed=ctx.currentTime-startAudioTimeRef.current;const oldSpeed=activePlaybackSpeedRef.current;const ratio=oldSpeed/newSpeed;startBufferOffsetRef.current=startBufferOffsetRef.current+elapsed*oldSpeed;startOffsetTimeRef.current=(startOffsetTimeRef.current+elapsed)*ratio;startAudioTimeRef.current=ctx.currentTime;activePlaybackSpeedRef.current=newSpeed;}}),/*#__PURE__*/React.createElement("div",{onMouseDown:handleSubTabResizeMouseDown,className:"absolute bottom-0 left-0 right-0 h-1.5 cursor-ns-resize z-30 hover:bg-purple-500/50 transition-colors"})),st.selectionStart!==null&&st.selectionEnd!==null&&st.selectionEnd>st.selectionStart&&/*#__PURE__*/React.createElement("div",{className:"absolute top-0 bottom-0 border-l border-r border-amber-500 bg-amber-500/10 z-20 pointer-events-none",style:{left:`${Math.min(st.selectionStart,st.selectionEnd)*zoom}px`,width:`${Math.abs(st.selectionEnd-st.selectionStart)*zoom}px`}})))));})())),/*#__PURE__*/React.createElement("div",{className:"w-1 cursor-ew-resize hover:bg-cyan-500/50 active:bg-cyan-400 transition-colors shrink-0 z-10",onMouseDown:startColResize}),renderDock('right','Right')),renderDock('bottom','Bottom'));})(),/*#__PURE__*/React.createElement("div",{className:"h-6 bg-[#141414] border-t border-zinc-900 px-4 flex items-center justify-between text-xs text-zinc-500 select-none shrink-0"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-4"},/*#__PURE__*/React.createElement("span",null,"Status: ",isPlaying?'Playing':'Stopped'),activeTab!=='main'&&/*#__PURE__*/React.createElement("span",{className:"text-amber-400 font-semibold uppercase"},"Sub-Tab"),activeTab==='main'&&/*#__PURE__*/React.createElement("span",{className:"text-cyan-400 font-semibold uppercase"},"Track: ID ",selectedTrackId),selectionMode==='local'&&/*#__PURE__*/React.createElement("span",{className:"text-amber-400 font-semibold uppercase text-xs"},"Local Sel"),selectionMode==='global'&&/*#__PURE__*/React.createElement("span",{className:"text-purple-400 font-semibold uppercase text-xs"},"Global Sel"),soloedTrackId&&/*#__PURE__*/React.createElement("span",{className:"text-amber-500 font-semibold"},"Solo: ID ",soloedTrackId),isLoopingSelection&&selectionMode==='local'&&/*#__PURE__*/React.createElement("span",{className:"text-emerald-400 font-semibold uppercase text-xs"},"Solo Loop"),isLoopingSelection&&selectionMode!=='local'&&/*#__PURE__*/React.createElement("span",{className:"text-cyan-400 font-semibold uppercase text-xs"},"Master Loop")),/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>setShowExportPanel(p=>!p),className:`px-1.5 py-0.5 rounded text-xs font-semibold transition flex items-center gap-1 ${showExportPanel?'bg-cyan-900 text-cyan-300':'text-zinc-500 hover:text-zinc-300'}`,title:`Export Panel (${panelPositions.export})`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"save",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"text-[7px] opacity-60"},showExportPanel?panelPositions.export[0].toUpperCase():'')),/*#__PURE__*/React.createElement("button",{onClick:()=>setShowSelectionPanel(p=>!p),className:`px-1.5 py-0.5 rounded text-xs font-semibold transition flex items-center gap-1 ${showSelectionPanel?'bg-amber-900 text-amber-300':'text-zinc-500 hover:text-zinc-300'}`,title:`Selection Panel (${panelPositions.selection})`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"text-[7px] opacity-60"},showSelectionPanel?panelPositions.selection[0].toUpperCase():'')),/*#__PURE__*/React.createElement("button",{onClick:()=>setShowAIPanel(p=>!p),className:`px-1.5 py-0.5 rounded text-xs font-semibold transition flex items-center gap-1 ${showAIPanel?'bg-purple-900 text-purple-300':'text-zinc-500 hover:text-zinc-300'}`,title:`AI Panel (${panelPositions.ai})`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"cpu",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"text-[7px] opacity-60"},showAIPanel?panelPositions.ai[0].toUpperCase():'')),/*#__PURE__*/React.createElement("button",{onClick:()=>setShowFxRack(p=>!p),className:`px-1.5 py-0.5 rounded text-xs font-semibold transition flex items-center gap-1 ${showFxRack?'bg-rose-900 text-rose-300':'text-zinc-500 hover:text-zinc-300'}`,title:`FX Rack Panel (${panelPositions.fx_rack||'bottom'})`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"sliders",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"text-[7px] opacity-60"},showFxRack?(panelPositions.fx_rack||'bottom')[0].toUpperCase():'')),/*#__PURE__*/React.createElement("button",{onClick:()=>setShowMidiEvents(p=>!p),className:`px-1.5 py-0.5 rounded text-xs font-semibold transition flex items-center gap-1 ${showMidiEvents?'bg-sky-900 text-sky-300':'text-zinc-500 hover:text-zinc-300'}`,title:`MIDI Events Panel (${panelPositions.midi_events||'bottom'})`},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"music",className:"w-3 h-3"})),/*#__PURE__*/React.createElement("span",{className:"text-[7px] opacity-60"},showMidiEvents?(panelPositions.midi_events||'bottom')[0].toUpperCase():'')),/*#__PURE__*/React.createElement("span",{className:"w-[1px] h-3 bg-zinc-800 mx-1"}),/*#__PURE__*/React.createElement("span",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"info",className:"w-3 h-3 text-zinc-600"}))," Scroll: Zoom"),/*#__PURE__*/React.createElement("span",null,"|"),/*#__PURE__*/React.createElement("span",{className:"flex items-center gap-1"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"keyboard",className:"w-3 h-3 text-zinc-600"}))," Ctrl+Scroll: Playhead"))),contextMenu&&(contextMenu.isSubTab?/*#__PURE__*/React.createElement("div",{className:"fixed z-[60] bg-[#2a2a2a] border border-zinc-700 rounded-lg shadow-2xl py-1 w-64 overflow-y-auto",style:{left:Math.min(contextMenu.x,window.innerWidth-260),top:contextMenu.y+200>window.innerHeight?undefined:contextMenu.y,bottom:contextMenu.y+200>window.innerHeight?window.innerHeight-contextMenu.y:undefined,maxHeight:'60vh'},onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("div",{className:"px-3 py-1 text-xs text-zinc-500 font-bold uppercase border-b border-zinc-800 pb-1 mb-1"},"Selection: ",formatTime(subTabs.find(s=>s.id===contextMenu.subTabId)?.selectionStart||0)," - ",formatTime(subTabs.find(s=>s.id===contextMenu.subTabId)?.selectionEnd||0)),/*#__PURE__*/React.createElement("div",{className:"h-px bg-zinc-700 my-1"}),/*#__PURE__*/React.createElement("button",{onClick:()=>{handleSubTabCut(contextMenu.subTabId);closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-3.5 h-3.5 text-rose-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Cut"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto"},"Ctrl+X")),/*#__PURE__*/React.createElement("button",{onClick:()=>{handleSubTabCopy(contextMenu.subTabId);closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"copy",className:"w-3.5 h-3.5 text-zinc-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Copy"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto"},"Ctrl+C")),/*#__PURE__*/React.createElement("button",{onClick:()=>{handleSubTabPaste(contextMenu.subTabId);closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"clipboard",className:"w-3.5 h-3.5 text-emerald-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Paste"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto"},"Ctrl+V")),/*#__PURE__*/React.createElement("button",{onClick:()=>{handleSubTabDelete(contextMenu.subTabId);closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"trash-2",className:"w-3.5 h-3.5 text-red-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Delete Selected Segment"),/*#__PURE__*/React.createElement("span",{className:"text-amber-400 text-xs font-semibold font-mono ml-auto"},"Del")),/*#__PURE__*/React.createElement("div",{className:"h-px bg-zinc-700 my-1"}),/*#__PURE__*/React.createElement("button",{onClick:()=>{handleSubTabLoop(contextMenu.subTabId,4);closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"repeat",className:"w-3.5 h-3.5 text-cyan-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Loop Selection 4 times"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto"},"Ctrl+L"))):/*#__PURE__*/React.createElement("div",{className:"fixed z-[60] bg-[#2a2a2a] border border-zinc-700 rounded-lg shadow-2xl py-1 w-64 overflow-y-auto",style:{left:Math.min(contextMenu.x,window.innerWidth-260),top:contextMenu.y+260>window.innerHeight?undefined:contextMenu.y,bottom:contextMenu.y+260>window.innerHeight?window.innerHeight-contextMenu.y:undefined,maxHeight:'60vh'},onClick:e=>e.stopPropagation()},contextMenu.sectionId?/*#__PURE__*/React.createElement("button",{onClick:contextMenuEditSection,className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"file-edit",className:"w-3.5 h-3.5 text-amber-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Edit Section"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},"Ctrl+E")):/*#__PURE__*/React.createElement("button",{onClick:contextMenuEdit,className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"file-edit",className:"w-3.5 h-3.5 text-amber-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Edit"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},"Ctrl+E")),/*#__PURE__*/React.createElement("button",{onClick:contextMenuSplit,className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-3.5 h-3.5 text-cyan-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Split"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},"S")),/*#__PURE__*/React.createElement("button",{onClick:contextMenuMerge,className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"combine",className:"w-3.5 h-3.5 text-purple-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Merge"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},"Ctrl+M")),/*#__PURE__*/React.createElement("div",{className:"h-px bg-zinc-700 my-1"}),/*#__PURE__*/React.createElement("div",{className:"px-3 py-0.5 text-[10px] text-zinc-500 font-bold uppercase tracking-wider"},"Insert"),!sessionTabs.some(s=>s.id===activeTab)&&/*#__PURE__*/React.createElement("button",{onClick:()=>{insertSectionAtPlayhead();closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"folder-plus",className:"w-3.5 h-3.5 text-amber-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Insert Section")),/*#__PURE__*/React.createElement("button",{onClick:()=>{insertMidiItemAtPlayhead();closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"music",className:"w-3.5 h-3.5 text-purple-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Insert MIDI Item")),/*#__PURE__*/React.createElement("button",{onClick:()=>{insertSoundClipAtCursor();closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"file-audio",className:"w-3.5 h-3.5 text-emerald-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Insert Sound Clip")),/*#__PURE__*/React.createElement("button",{onClick:()=>{insertTrackBelow();closeContextMenu();},className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"plus-square",className:"w-3.5 h-3.5 text-cyan-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Insert Track")),/*#__PURE__*/React.createElement("div",{className:"h-px bg-zinc-700 my-1"}),/*#__PURE__*/React.createElement("button",{onClick:contextMenuCopy,className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"copy",className:"w-3.5 h-3.5 text-zinc-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Copy"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},"Ctrl+C")),/*#__PURE__*/React.createElement("button",{onClick:contextMenuCut,className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"scissors",className:"w-3.5 h-3.5 text-rose-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Cut"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},"Ctrl+X")),/*#__PURE__*/React.createElement("button",{onClick:contextMenuPaste,className:"w-full px-3 py-1.5 text-xs text-zinc-200 hover:bg-zinc-700 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"clipboard",className:"w-3.5 h-3.5 text-emerald-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Paste"),/*#__PURE__*/React.createElement("span",{className:"text-purple-400 text-xs font-semibold font-mono ml-auto pl-8"},"Ctrl+V")),/*#__PURE__*/React.createElement("div",{className:"h-px bg-zinc-700 my-1"}),/*#__PURE__*/React.createElement("button",{onClick:contextMenuDelete,className:"w-full px-3 py-1.5 text-xs text-red-300 hover:bg-red-950 text-left flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"trash-2",className:"w-3.5 h-3.5 text-red-400 shrink-0"})),/*#__PURE__*/React.createElement("span",{className:"flex-1"},"Delete"),/*#__PURE__*/React.createElement("span",{className:"text-amber-400 text-xs font-semibold font-mono ml-auto pl-8"},"Del")))),toastMessage&&/*#__PURE__*/React.createElement("div",{className:"absolute top-14 right-4 z-50 px-4 py-2.5 rounded shadow-lg text-xs font-semibold flex items-center gap-2 border bg-zinc-900 text-zinc-100 border-zinc-800"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"bell",className:`w-4 h-4 ${toastMessage.type==='success'?'text-emerald-400':toastMessage.type==='error'?'text-rose-400':toastMessage.type==='warning'?'text-amber-400':'text-cyan-400'}`})),toastMessage.text,toastMessage.onActionClick&&/*#__PURE__*/React.createElement("button",{onClick:()=>{toastMessage.onActionClick();setToastMessage(null);},className:"ml-2 px-2 py-0.5 bg-purple-700 hover:bg-purple-600 text-white rounded text-[10px] uppercase font-bold"},toastMessage.actionText||'Tải về'))),appWarningModal&&/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-[100] flex items-center justify-center bg-black/60 backdrop-blur-sm"},/*#__PURE__*/React.createElement("div",{className:"bg-[#222222] border border-zinc-800 rounded-lg shadow-2xl p-6 max-w-md w-full text-slate-200"},/*#__PURE__*/React.createElement("div",{className:"flex items-center gap-2 mb-3 text-cyan-400 font-bold"},/*#__PURE__*/React.createElement("h3",{className:"text-base font-bold"},appWarningModal.title)),/*#__PURE__*/React.createElement("div",{className:"text-xs text-slate-300 mb-5 leading-relaxed whitespace-pre-line"},appWarningModal.message),/*#__PURE__*/React.createElement("div",{className:"flex justify-end gap-2"},appWarningModal.isAlert?/*#__PURE__*/React.createElement("button",{onClick:()=>setAppWarningModal(null),className:"px-4 py-2 bg-cyan-600 hover:bg-cyan-500 active:bg-cyan-700 text-white rounded text-xs font-semibold transition"},"Đóng"):/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("button",{onClick:()=>setAppWarningModal(null),className:"px-4 py-2 bg-zinc-700 hover:bg-zinc-600 active:bg-zinc-800 text-slate-300 rounded text-xs font-semibold transition"},"Hủy"),/*#__PURE__*/React.createElement("button",{onClick:()=>{const fn=appWarningModal.onConfirm;setAppWarningModal(null);if(fn)fn();},className:"px-4 py-2 bg-cyan-600 hover:bg-cyan-500 active:bg-cyan-700 text-white rounded text-xs font-semibold transition"},"Xác nhận"))))),tabContextMenu&&/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-[190]",onClick:()=>setTabContextMenu(null),onContextMenu:e=>{e.preventDefault();setTabContextMenu(null);}}),/*#__PURE__*/React.createElement("div",{className:"fixed bg-zinc-900 border border-zinc-800 rounded-lg shadow-2xl p-2 z-[200] flex gap-1.5",style:{top:tabContextMenu.y,left:tabContextMenu.x},onClick:e=>e.stopPropagation()},['#f43f5e','#f59e0b','#10b981','#06b6d4','#8b5cf6','#64748b'].map(color=>/*#__PURE__*/React.createElement("button",{key:color,className:"w-5 h-5 rounded-full border border-zinc-700 hover:scale-110 active:scale-95 transition",style:{backgroundColor:color},onClick:()=>{handleSetTabColor(tabContextMenu.tabId,tabContextMenu.tabType,color);setTabContextMenu(null);}})))),/*#__PURE__*/React.createElement(AuthModal,{isOpen:authModalOpen,mode:authMode,forceMandatory:isMandatoryLogin,onClose:()=>setAuthModalOpen(false),onSuccess:handleAuthSuccess}),/*#__PURE__*/React.createElement(ProfileModal,{isOpen:profileModalOpen,onClose:()=>setProfileModalOpen(false),tracks:tracks,setTracks:setTracks,setSelectedTrackId:setSelectedTrackId,projectName:projectName,setProjectName:setProjectName,currentProjectId:currentProjectId,setCurrentProjectId:setCurrentProjectId,showToast:showToast}),/*#__PURE__*/React.createElement(SaveProjectModal,{isOpen:saveProjectModalOpen,onClose:()=>setSaveProjectModalOpen(false),onSave:newName=>{handleSaveProjectWithName(newName);}}),/*#__PURE__*/React.createElement(SaveAsModal,{isOpen:saveAsModalOpen,onClose:()=>setSaveAsModalOpen(false),projectName:projectName,onSaveCloud:newName=>{handleSaveAsCloud(newName);},onSaveLocal:newName=>{handleExportSFS(newName);setProjectName(newName);localStorage.setItem('sonic_project_name',newName);}}),/*#__PURE__*/React.createElement(AIConfigModal,{isOpen:aiConfigModalOpen,onClose:()=>setAiConfigModalOpen(false),onConfigSaved:providers=>{setAiProviders(providers);const active=providers.find(p=>p.is_active)||providers[0];if(active)setSelectedProviderId(active.id);}}),/*#__PURE__*/React.createElement(SystemManagerModal,{isOpen:systemManagerModalOpen,onClose:()=>setSystemManagerModalOpen(false)}),/*#__PURE__*/React.createElement(PluginManagerModal,{isOpen:pluginManagerModalOpen,onClose:()=>setPluginManagerModalOpen(false),pluginsData:pluginsData}),/*#__PURE__*/React.createElement(AIPresetModal,{isOpen:aiPresetModalOpen,onClose:()=>setAiPresetModalOpen(false)}),instrumentSelectorTrackId&&/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm",onClick:closeInstrumentSelector},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-full max-w-4xl p-5 text-slate-200",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("div",{className:"flex justify-between items-center pb-3 border-b border-[#383838]"},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-amber-400"},"Select Instrument"),/*#__PURE__*/React.createElement("button",{onClick:closeInstrumentSelector,className:"text-slate-400 hover:text-slate-200"},"\u2715")),/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"T\u00ecm nh\u1ea1c c\u1ee5...",value:sfPresetSearchQuery,onChange:e=>setSfPresetSearchQuery(e.target.value),autoFocus:true,className:"w-full bg-black border border-zinc-700 rounded px-2 py-1.5 outline-none my-3 text-sm"}),/*#__PURE__*/React.createElement("div",{className:"flex gap-4",style:{height:"420px"}},/*#__PURE__*/React.createElement("div",{className:"w-1/3 border-r border-[#383838] overflow-y-auto space-y-0.5 pr-2"},/*#__PURE__*/React.createElement("button",{onClick:()=>{setSelectedSoundFontId(null);setSynthCategory(null);},className:"w-full text-left px-3 py-2 text-sm rounded "+(!selectedSoundFontId?"bg-amber-700 text-white":"bg-zinc-800 hover:bg-zinc-700 text-zinc-300")},"All Instruments"),(instrumentSelectorData?.soundfonts||[]).map(sf=>{const sfId=sf.id.startsWith('sf_')?sf.id:'sf_'+sf.id;const sfName=sf.display||sf.name||sf.id;return/*#__PURE__*/React.createElement("button",{key:sfId,onClick:()=>{setSelectedSoundFontId(sfId);// Fetch instruments on demand if not yet loaded
 if(!sf.presets&&window.SonicAPI){const baseId=sfId.replace('sf_','');window.SonicAPI.listSoundfontInstruments(baseId).then(data=>{if(data&&data.presets){const mapping=data.presets.map(p=>({...p,_sfId:sfId,_sfName:sfName,_sfDisplay:sfName.substring(0,30)}));setSfPresets(prev=>prev?[...prev,...mapping]:mapping);// Also update instrumentSelectorData cache
 setInstrumentSelectorData(prev=>prev?{...prev,soundfonts:(prev.soundfonts||[]).map(s=>s.id===sf.id?{...s,presets:data.presets}:s)}:prev);}}).catch(()=>{});}},className:"w-full text-left px-3 py-2 text-sm rounded "+(selectedSoundFontId===sfId?"bg-amber-700 text-white":"bg-zinc-800 hover:bg-zinc-700 text-zinc-300")},sfName);})),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto space-y-0.5"},/*#__PURE__*/React.createElement("button",{onClick:()=>setTrackInstrumentWithProgram(instrumentSelectorTrackId,null),className:"w-full text-left px-3 py-2 text-sm rounded bg-zinc-800 hover:bg-zinc-700 text-zinc-400"},"None (Default Synth)"),sfPresets===null?(/*#__PURE__*/React.createElement("p",{className:"text-sm text-zinc-500 py-2"},"Loading instruments...")):sfPresets.length>0?sfPresets.filter(p=>!selectedSoundFontId||p._sfId===selectedSoundFontId).filter(p=>!sfPresetSearchQuery||(p.name||'').toLowerCase().includes(sfPresetSearchQuery.toLowerCase())||(p._sfName||'').toLowerCase().includes(sfPresetSearchQuery.toLowerCase())).map((p,i)=>/*#__PURE__*/React.createElement("button",{key:i,onClick:()=>setTrackInstrumentWithProgram(instrumentSelectorTrackId,p._sfId,p.program,p.name||'Preset '+p.program,p.bank),className:"w-full text-left px-3 py-2 text-sm rounded bg-zinc-800/60 hover:bg-amber-800 text-zinc-300 truncate flex items-center gap-2"},/*#__PURE__*/React.createElement("span",{className:"text-xs text-zinc-500 shrink-0"},p._sfDisplay),p.bank===128?/*#__PURE__*/React.createElement("span",{className:"mr-1"},"🥁"):null,p.name||'Preset '+p.program)):(/*#__PURE__*/React.createElement("p",{className:"text-sm text-zinc-500 py-2"},sfPresetSearchQuery?"Kh\u00f4ng t\u00ecm th\u1ea5y nh\u1ea1c c\u1ee5 ph\u00f9 h\u1ee3p.":"No presets found.")))))),fxSelectorTrackId&&/*#__PURE__*/React.createElement("div",{className:"fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm",onClick:()=>setFxSelectorTrackId(null)},/*#__PURE__*/React.createElement("div",{className:"bg-[#262626] border border-[#383838] rounded-xl shadow-2xl w-64 p-4 text-slate-200",onClick:e=>e.stopPropagation()},/*#__PURE__*/React.createElement("h3",{className:"text-sm font-bold text-purple-400 mb-3"},"Track FX"),/*#__PURE__*/React.createElement("div",{className:"space-y-1"},/*#__PURE__*/React.createElement("button",{onClick:()=>handleSetTrackFx(fxSelectorTrackId,null),className:"w-full text-left px-3 py-2 text-xs rounded bg-zinc-800 hover:bg-zinc-700 text-zinc-400"},"None"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSetTrackFx(fxSelectorTrackId,'chorus'),className:"w-full text-left px-3 py-2 text-xs rounded bg-zinc-800 hover:bg-cyan-800 text-cyan-300"},"Chorus"),/*#__PURE__*/React.createElement("button",{onClick:()=>handleSetTrackFx(fxSelectorTrackId,'reverb'),className:"w-full text-left px-3 py-2 text-xs rounded bg-zinc-800 hover:bg-purple-800 text-purple-300"},"Reverb")))),instrumentDropdownTrackId&&instrumentDropdownBtnRect&&/*#__PURE__*/React.createElement("div",{"data-instr-dropdown":"",className:"fixed z-[100] bg-[#1e1e1e] border border-zinc-700 rounded shadow-xl w-[220px] max-h-[300px] flex flex-col",style:{top:instrumentDropdownBtnRect.bottom+4,left:Math.max(4,Math.min(instrumentDropdownBtnRect.left,window.innerWidth-224))}},/*#__PURE__*/React.createElement("input",{type:"text",placeholder:"T\u00ecm nh\u1ea1c c\u1ee5...",value:instrumentSearchQuery,onChange:e=>setInstrumentSearchQuery(e.target.value),autoFocus:true,className:"w-full bg-black border-b border-zinc-700 px-2 py-1.5 text-xs outline-none"}),/*#__PURE__*/React.createElement("div",{className:"flex-1 overflow-y-auto"},/*#__PURE__*/React.createElement("button",{onClick:()=>setTrackInstrumentWithProgram(instrumentDropdownTrackId,null),className:"w-full text-left px-3 py-1.5 text-xs bg-zinc-800 hover:bg-zinc-700 text-zinc-400"},"None (Default Synth)"),filteredInstruments.soundfonts.length>0&&/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 px-3 py-1 mt-1 uppercase font-bold"},"SoundFonts"),filteredInstruments.soundfonts.map((sf,i)=>/*#__PURE__*/React.createElement("button",{key:"sfd_"+i,onClick:()=>{setInstrumentDropdownTrackId(null);setInstrumentDropdownBtnRect(null);setTrackInstrument(instrumentDropdownTrackId,"sf_"+sf.id,sf.display||sf.name||sf.id);},className:"w-full text-left px-3 py-1.5 text-xs bg-zinc-800 hover:bg-amber-800 text-zinc-200 flex items-center justify-between"},/*#__PURE__*/React.createElement("span",{className:"truncate"},sf.display||sf.name||sf.id),/*#__PURE__*/React.createElement("span",{className:"text-[10px] text-amber-400 shrink-0 ml-1"},"SF"))),filteredInstruments.vst.length>0&&/*#__PURE__*/React.createElement("div",{className:"text-[10px] text-zinc-500 px-3 py-1 mt-1 uppercase font-bold"},"VST Instruments"),filteredInstruments.vst.map((v,i)=>/*#__PURE__*/React.createElement("button",{key:"vstd_"+i,onClick:()=>{setInstrumentDropdownTrackId(null);setInstrumentDropdownBtnRect(null);setTrackInstrumentWithProgram(instrumentDropdownTrackId,v.id,undefined,v.name||v.id);},className:"w-full text-left px-3 py-1.5 text-xs bg-zinc-800 hover:bg-violet-800 text-zinc-200 flex items-center justify-between"},/*#__PURE__*/React.createElement("span",{className:"truncate"},v.name||v.id),/*#__PURE__*/React.createElement("span",{className:"text-[10px] text-cyan-400 shrink-0 ml-1"},v.type||"VST"))),!filteredInstruments.soundfonts.length&&!filteredInstruments.vst.length&&/*#__PURE__*/React.createElement("p",{className:"text-xs text-zinc-500 py-4 text-center"},"Kh\u00f4ng t\u00ecm th\u1ea5y nh\u1ea1c c\u1ee5 n\u00e0o"))));};const root=ReactDOM.createRoot(document.getElementById('root'));root.render(/*#__PURE__*/React.createElement(App,null));setTimeout(()=>lucide.createIcons(),300);
diff --git a/app/storage/sonicforge.db b/app/storage/sonicforge.db
index ea65beb..f6f1dbf 100644
Binary files a/app/storage/sonicforge.db and b/app/storage/sonicforge.db differ
diff --git a/md/42_DOUBLEINST.md b/md/42_FIX_DOUBLEINST.md
similarity index 100%
rename from md/42_DOUBLEINST.md
rename to md/42_FIX_DOUBLEINST.md
diff --git a/md/MOUSE.md b/md/MOUSE.md
new file mode 100644
index 0000000..e69de29
diff --git a/wiki.md b/wiki.md
index 09749de..3dfaecd 100644
--- a/wiki.md
+++ b/wiki.md
@@ -664,3 +664,9 @@
 - **Các file ảnh hưởng:** `app/static/js/app.jsx`, `app/static/js/app.precompiled.js`
 - **Ghi chú/Test (nếu có):** `npm run build` pass. Mở SECTION-TAB → PIANO_ROLL → Synth → chọn instrument → verify instrument được áp dụng cho section track (không phải main track).
 ---
+
+### [2026-07-28 18:17] Task: Keyboard shortcuts Ctrl+A select all + Del delete selected items/groups
+- **Tóm tắt thay đổi:** (1) Ctrl+A đã tồn tại để chọn tất cả items trên timeline. (2) Thêm xử lý phím Delete/Backspace cho `selectedItemIds`: xóa tất cả section, MIDI item, và audio clip đang được chọn khỏi track, xóa selection, hiện toast thông báo.
+- **Các file ảnh hưởng:** `app/static/js/app.jsx`
+- **Ghi chú/Test (nếu có):** Build có lỗi parse pre-existing (Babel 8) không liên quan đến thay đổi này.
+---