diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js
index d1b4c11..8dfd86e 100644
--- a/app/static/js/app.precompiled.js
+++ b/app/static/js/app.precompiled.js
@@ -266,7 +266,7 @@ while(true){const beatNum=nextMetronomeBeatRef.current;const elapsedBeats=beatNu
 const now=Date.now();if(now-lastTempCompileTimeRef.current>200){lastTempCompileTimeRef.current=now;// Audio preview
 for(let trackId in recordingPCMDataRef.current){const data=recordingPCMDataRef.current[trackId];if(data&&data.length>0){const tempBuf=audioCtx.createBuffer(1,data.length,audioCtx.sampleRate);tempBuf.getChannelData(0).set(data);setRecTempAudioBuffer(tempBuf);}}// MIDI preview
 let combinedNotes=[];const armedTracks=activeTracksRef.current.filter(t=>t.isArmed);for(let track of armedTracks){const midiRec=activeMIDIRecordersRef.current[track.id];if(midiRec){const currentBeat=(audioCtx.currentTime-midiRec.recStartAudioTime-midiRec.latencyCompSec)/secondsPerBeat;const notes=[...midiRec.recordedNotes,...Array.from(midiRec.activeNotes.values()).map(n=>({...n,duration_beats:currentBeat-n.start_beat}))];combinedNotes=combinedNotes.concat(notes);}}if(combinedNotes.length>0||armedTracks.some(t=>activeMIDIRecordersRef.current[t.id])){setRecTempMidiNotes(combinedNotes);setCanvasRedrawCount(n=>n+1);}}}const isSubTab=subTabsRef.current.some(sub=>sub.id===activeTabRef.current);if(isSubTab){const st=subTabsRef.current.find(s=>s.id===activeTabRef.current);if(!st||!st.isPlaying||!st.buffer)return;const context=getAudioContext();const speedFactor=st.speed||1.0;const elapsed=context.currentTime-startAudioTimeRef.current;const wallTime=startOffsetTimeRef.current+elapsed;const bufferPos=startBufferOffsetRef.current+elapsed*speedFactor;// Loop sub-tab selection (bufferPos is buffer-time)
-if(st.selectionStart!==null&&st.selectionEnd!==null&&st.selectionStart!==st.selectionEnd&&(st.isLooping||isLoopingSelection)){const start=Math.min(st.selectionStart,st.selectionEnd);const end=Math.max(st.selectionStart,st.selectionEnd);if(bufferPos>=end){stopAllPlayback();setSubTabs(prev=>prev.map(s=>s.id===activeTabRef.current?{...s,currentTime:start,isPlaying:true}:s));startSubTabPlayback(st,start);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}}const effectiveDuration=st.type==='PIANO_ROLL'?(()=>{const notes=st.notes||[];const bpmVal=parseInt(bpmRef?.current||bpm)||120;const beatSec=60.0/bpmVal;if(recordingStateRef.current==='RECORDING')return 600.0;// 10 min during recording
+if(st.selectionStart!==null&&st.selectionEnd!==null&&st.selectionStart!==st.selectionEnd&&(st.isLooping||isLoopingSelection)){const start=Math.min(st.selectionStart,st.selectionEnd);const end=Math.max(st.selectionStart,st.selectionEnd);if(bufferPos>=end){stopAllPlayback();if(st.type==='PIANO_ROLL'&&window.SonicSF){const ctx2=getAudioContext();const notes2=st.notes||[];const bpmVal2=parseInt(bpmRef?.current||bpm)||120;const spb2=60.0/bpmVal2;const now2=ctx2.currentTime;const track2=activeTracks.find(t=>t.id===st.trackId);const dest2=getOrCreateTrackNode(track2,ctx2);const ip2=track2?track2.instrumentProgram:undefined;notes2.forEach(n=>{const s=n.start_beat||0;const d=n.duration_beats||1;if(window.SonicSF)window.SonicSF.playNote(n.pitch||60,n.velocity||0.8,(d*spb2*1000),now2+s*spb2,ip2,dest2);});}setSubTabs(prev=>prev.map(s=>s.id===activeTabRef.current?{...s,currentTime:start,isPlaying:true}:s));startSubTabPlayback(st,start);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}}const effectiveDuration=st.type==='PIANO_ROLL'?(()=>{const notes=st.notes||[];const bpmVal=parseInt(bpmRef?.current||bpm)||120;const beatSec=60.0/bpmVal;if(recordingStateRef.current==='RECORDING')return 600.0;// 10 min during recording
 let maxEnd=0;notes.forEach(n=>{const end=(n.start_beat||0)+(n.duration_beats||1);if(end>maxEnd)maxEnd=end;});return Math.max(maxEnd*beatSec+1.0, 16*beatSec);})():st.buffer.duration;if(bufferPos>=effectiveDuration){stopAllPlayback();if(isLoopingSelection){if(st.type==='PIANO_ROLL'&&window.SonicSF){const ctx2=getAudioContext();const notes2=st.notes||[];const bpmVal2=parseInt(bpmRef?.current||bpm)||120;const spb2=60.0/bpmVal2;const now2=ctx2.currentTime;const track2=activeTracks.find(t=>t.id===st.trackId);const dest2=getOrCreateTrackNode(track2,ctx2);const ip2=track2?track2.instrumentProgram:undefined;notes2.forEach(n=>{const s=n.start_beat||0;const d=n.duration_beats||1;if(window.SonicSF)window.SonicSF.playNote(n.pitch||60,n.velocity||0.8,(d*spb2*1000),now2+s*spb2,ip2,dest2);});}setSubTabs(prev=>prev.map(s=>s.id===activeTabRef.current?{...s,currentTime:0,isPlaying:true}:s));startSubTabPlayback(st,0);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);}else{setSubTabs(prev=>prev.map(s=>s.id===activeTabRef.current?{...s,currentTime:0,isPlaying:false}:s));}return;}setSubTabs(prev=>prev.map(s=>s.id===activeTabRef.current?{...s,currentTime:wallTime}:s));animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}if(!isPlaying)return;const context=getAudioContext();const elapsed=context.currentTime-startAudioTimeRef.current;const updatedTime=startOffsetTimeRef.current+elapsed;// Selection Loop - LOOP_MAKER.md + LOOP_EDITOR_2.md §4.2
 // If selection cleared by user, play linearly (don't loop)
 if(!selectionCleared&&isLoopingSelection&&selLeft!==null&&selRight!==null){if(selRight>selLeft&&updatedTime>=selRight){if(soloedTrackId!==null||selectionMode==='local'){stopAllPlayback();startOffsetTimeRef.current=selLeft;startAudioTimeRef.current=context.currentTime;const soloTid=soloedTrackId!==null?soloedTrackId:localSelectionTrackId;startLocalTrackPlayback(soloTid,selLeft);setCurrentTime(selLeft);setIsPlaying(true);}else{stopAllPlayback();startOffsetTimeRef.current=selLeft;startAudioTimeRef.current=context.currentTime;startTrackPlayback(selLeft);setCurrentTime(selLeft);setIsPlaying(true);}animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}}if(updatedTime>=maxDurationRef.current){if(recordingStateRef.current==='RECORDING'){setCurrentTime(updatedTime);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}if(isLoopingSelection){stopAllPlayback();startOffsetTimeRef.current=0;startAudioTimeRef.current=context.currentTime;startTrackPlayback(0);setCurrentTime(0);setIsPlaying(true);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}stopAllPlayback();setCurrentTime(0);return;}setCurrentTime(updatedTime);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);};useEffect(()=>{if(isPlaying||subTabs.some(s=>s.isPlaying)){animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);}else{cancelAnimationFrame(animationFrameIdRef.current);}return()=>cancelAnimationFrame(animationFrameIdRef.current);},[isPlaying,subTabs,isLoopingSelection,selLeft,selRight,selectionMode,localSelectionTrackId,selectionCleared,activeTab]);// ── FX Nodes ──
diff --git a/app/storage/sonicforge.db b/app/storage/sonicforge.db
index 1adf4dd..8a2f659 100644
Binary files a/app/storage/sonicforge.db and b/app/storage/sonicforge.db differ