fix: sửa lỗi loaded instrument ở SECTION-TAB nhưng không play được ở MAIN SESSION

app/static/js/app.jsx

@@ -10331,7 +10331,8 @@ const App = () => {
           const secStart = sec.start || 0;
           const secEnd = secStart + (sec.duration || 0);
 
-          const secTracks = sec.tracks || [];
+          const openTab = sessionTabsRef.current ? sessionTabsRef.current.find(st => st.sectionId === sec.sectionId || st.sectionId === sec.id) : null;
+          const secTracks = openTab ? openTab.tracks : (sec.tracks || []);
           const hasSubSolo = secTracks.some(st => st.solo);
 
           secTracks.forEach((subTrack, subIdx) => {

app/static/js/app.precompiled.js

@@ -303,7 +303,7 @@ const noteDurSec=(note.duration_beats||1)*secondsPerBeat;const noteEndSec=noteSt
 if(track.instrumentId&&midiItems.length===0&&track.buffer){// Play audio normally (the buffer has the audio data)
 // This block is intentionally empty - audio clips already play above
 }// SECTION items playback
-const sections=track.sections||[];if(activeTab==='main'&&sections.length>0){const bpmVal=parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;const secondsPerBar=secondsPerBeat*4;sections.forEach(sec=>{const secStart=sec.start||0;const secEnd=secStart+(sec.duration||0);const secTracks=sec.tracks||[];const hasSubSolo=secTracks.some(st=>st.solo);secTracks.forEach((subTrack,subIdx)=>{const isSubPlayable=hasSubSolo?subTrack.solo:!subTrack.muted;if(!isSubPlayable)return;const subNode=getOrCreateSubTrackNode(track,subTrack,context);if(!subNode)return;// 1. Play clips in subTrack
+const sections=track.sections||[];if(activeTab==='main'&&sections.length>0){const bpmVal=parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;const secondsPerBar=secondsPerBeat*4;sections.forEach(sec=>{const secStart=sec.start||0;const secEnd=secStart+(sec.duration||0);const openTab=sessionTabsRef.current?sessionTabsRef.current.find(st=>st.sectionId===sec.sectionId||st.sectionId===sec.id):null;const secTracks=openTab?openTab.tracks:sec.tracks||[];const hasSubSolo=secTracks.some(st=>st.solo);secTracks.forEach((subTrack,subIdx)=>{const isSubPlayable=hasSubSolo?subTrack.solo:!subTrack.muted;if(!isSubPlayable)return;const subNode=getOrCreateSubTrackNode(track,subTrack,context);if(!subNode)return;// 1. Play clips in subTrack
 const subClips=subTrack.clips||[];subClips.forEach(clip=>{if(!clip.buffer)return;const clipStartLocal=clip.startTime||0;const clipDurLocal=clip.buffer.duration/(clip.speed||1.0);const clipStartMain=secStart+clipStartLocal;const clipEndMain=clipStartMain+clipDurLocal;// Only play within the bounds of [secStart, secEnd]
 const activeStart=Math.max(clipStartMain,secStart);const activeEnd=Math.min(clipEndMain,secEnd);if(activeStart<activeEnd&&offsetTime<activeEnd){const source=context.createBufferSource();source.buffer=clip.buffer;source.playbackRate.value=clip.speed||1.0;source.connect(subNode);if(offsetTime<activeStart){const delay=activeStart-offsetTime;const playOffset=activeStart-clipStartMain;const playDuration=activeEnd-activeStart;source.start(context.currentTime+delay,playOffset*(clip.speed||1.0),playDuration);activeSourcesRef.current.push(source);}else{const playOffset=offsetTime-clipStartMain;const playDuration=activeEnd-offsetTime;source.start(context.currentTime,playOffset*(clip.speed||1.0),playDuration);activeSourcesRef.current.push(source);}}});// 2. Play MIDI items in subTrack
 const subMidiItems=subTrack.midiItems||[];if(window.SonicSF&&subMidiItems.length>0){subMidiItems.forEach(item=>{const notes=item.notes||[];notes.forEach(note=>{const noteStartSecLocal=item.startTime+(note.start_beat||0)*secondsPerBeat;const noteDurSec=(note.duration_beats||1)*secondsPerBeat;const noteStartMain=secStart+noteStartSecLocal;const noteEndMain=noteStartMain+noteDurSec;// Only play if the note starts inside the Section item bounds and hasn't finished yet