FIX: sửa lỗi undo khi move items, lỗi undo khi duplication item

app/static/js/app.jsx

@@ -9132,37 +9132,23 @@ const App = () => {
     showToast(`Redo: ${last.action_type}`, 'info');
   };
   const applyTrackState = (trackId, state) => {
+    if (trackId === 'ALL_TRACKS') {
+      state.forEach(entry => {
+        applyTrackState(entry.trackId, entry.state);
+      });
+      return;
+    }
     updateActiveTracks(prev => prev.map(t => {
       if (t.id !== trackId) return t;
       var updated = { ...t, ...state };
-      if (state.sections) {
-        updated.sections = t.sections ? t.sections.map(function(s) {
-          var match = state.sections.find(function(ss) { return ss.id === s.id; });
-          return match ? { ...s, start: match.start, duration: match.duration } : s;
-        }) : state.sections;
-        state.sections.forEach(function(ss) {
-          if (!updated.sections.find(function(s) { return s.id === ss.id; })) {
-            updated.sections.push(ss);
-          }
-        });
+      if (state.sections !== undefined) {
+        updated.sections = state.sections;
       }
-      if (state.midiItems) {
-        updated.midiItems = t.midiItems ? t.midiItems.map(function(m) {
-          var match = state.midiItems.find(function(sm) { return sm.id === m.id; });
-          return match ? { ...m, startTime: match.startTime, duration: match.duration } : m;
-        }) : state.midiItems;
-        state.midiItems.forEach(function(sm) {
-          if (!updated.midiItems.find(function(m) { return m.id === sm.id; })) {
-            updated.midiItems.push(sm);
-          }
-        });
+      if (state.midiItems !== undefined) {
+        updated.midiItems = state.midiItems;
       }
-      if (state.clips) {
-        updated.clips = t.clips ? t.clips.map(function(c) {
-          var cid = c.id === 'default' ? 'default_' + t.id : c.id;
-          var match = state.clips.find(function(sc) { return sc.id === cid; });
-          return match ? { ...c, startTime: match.startTime } : c;
-        }) : state.clips;
+      if (state.clips !== undefined) {
+        updated.clips = state.clips;
       }
       return updated;
     }));
@@ -9198,6 +9184,13 @@ const App = () => {
       midiItems: track.midiItems ? track.midiItems.map(function(m) { return { id: m.id, startTime: m.startTime, duration: m.duration, name: m.name, notes: m.notes ? m.notes.map(function(n) { return { id: n.id, pitch: n.pitch, start_beat: n.start_beat, duration_beats: n.duration_beats, velocity: n.velocity }; }) : null }; }) : null
     };
   };
+  const captureAllTracksSnapshot = () => {
+    const curTracks = activeTracksRef.current || activeTracks || [];
+    return curTracks.map(t => ({
+      trackId: t.id,
+      state: captureTrackSnapshot(t.id)
+    }));
+  };
 
   const setBpmWithUndo = (newBpm) => {
     const oldBpm = bpmRef.current;
@@ -14105,7 +14098,7 @@ const App = () => {
       if (!track) return;
       if (multiIds) {
         var newOriginals = {};
-        var dupBeforeSnap = captureTrackSnapshot(trackId);
+        var dupBeforeSnap = captureAllTracksSnapshot();
         updateActiveTracks(function(prev) {
           return prev.map(function(t) {
             var updatedSections = t.sections ? t.sections.slice() : [];
@@ -14148,7 +14141,7 @@ const App = () => {
         if (!item) return;
         var rearrangeNewId = itemType + '_dup_' + Date.now();
         var newItem = { ...item, id: rearrangeNewId, name: item.name + ' (Copy)' };
-        var singleDupBeforeSnap = captureTrackSnapshot(trackId);
+        var singleDupBeforeSnap = captureAllTracksSnapshot();
         updateActiveTracks(function(prev) {
           return prev.map(function(t) {
             if (t.id !== trackId) return t;
@@ -14163,7 +14156,7 @@ const App = () => {
       var its = itemType === 'section' ? (curTrk?.sections || []) : (curTrk?.midiItems || []);
       var it = its.find(function(x) { return x.id === itemId; });
       var origPos = it ? (itemType === 'section' ? it.start : it.startTime) : 0;
-      var beforeSnap = captureTrackSnapshot(trackId);
+      var beforeSnap = captureAllTracksSnapshot();
       setDraggedSectionItem({ trackId, itemType, itemId, clickOffset, multiIds, originalPositions: { [itemId]: origPos }, beforeSnap });
     }
   };
@@ -14349,8 +14342,8 @@ const App = () => {
         });
       });
       if (changed || drag.beforeSnap) {
-        var afterSnap = captureTrackSnapshot(trackId);
-        pushAction('MOVE_ITEM', trackId, drag.beforeSnap || beforeSnap, afterSnap);
+        var afterSnap = captureAllTracksSnapshot();
+        pushAction('MOVE_ITEM', 'ALL_TRACKS', drag.beforeSnap || beforeSnap, afterSnap);
       }
       if (drag.itemType === 'midiItem') {
         let finalTrackId = null;