Update sample inclusion details for Ableton export and add test case for pad classification

tests/ableton-hybrid.test.ts

@@ -208,6 +208,20 @@ test('uses one hybrid classification for Arrangement and Session exports', () =>
   assert.deepEqual(trackShape(arrangement.tracks), trackShape(session.tracks));
 });
 
+test('classifies a pad from its distinct pitches across every exported scene', () => {
+  const data = project();
+  data.scenes[0].patterns[1].notes = [note(60, 0)];
+  data.scenes[1].patterns[1].notes = [note(61, 0)];
+  const result = abletonTransformer(data, { includeArchivedSamples: true });
+  const rack = result.tracks.find((track) => track.drumRack);
+
+  assert.deepEqual(
+    rack?.tracks.map((track) => track.padCode),
+    ['a0'],
+  );
+  assert.ok(result.tracks.some((track) => track.padCode === 'a1' && !track.drumRack));
+});
+
 test('does not create selector-note racks when samples are excluded', () => {
   const result = abletonTransformer(project(), {
     includeArchivedSamples: false,