feat: added MIDI CC recording and list event table operation support.

src/core/project-upgrader/KGProjectUpgrader.ts

@@ -7,6 +7,7 @@ import { upgradeToV5 } from './upgradeToV5';
 import { upgradeToV6 } from './upgradeToV6';
 import { upgradeToV7 } from './upgradeToV7';
 import { upgradeToV8 } from './upgradeToV8';
+import { upgradeToV9 } from './upgradeToV9';
 
 /**
  * Upgrade the given project to the latest structure version, one version at a time.
@@ -58,6 +59,10 @@ export function upgradeProjectToLatest(project: KGProject): KGProject {
         workingProject = upgradeToV8(workingProject);
         break;
       }
+      case 9: {
+        workingProject = upgradeToV9(workingProject);
+        break;
+      }
       default: {
         // If an upgrader is missing, throw to prevent loading incompatible structures
         throw new Error(`No upgrader found for project structure version ${nextVersion}`);

src/core/project-upgrader/upgradeToV8.test.ts

@@ -57,7 +57,8 @@ describe('upgradeToV8', () => {
 
     const upgraded = upgradeProjectToLatest(project);
 
-    expect(upgraded.getProjectStructureVersion()).toBe(8);
+    expect(upgraded.getProjectStructureVersion()).toBe(9);
     expect((upgraded.getTracks()[0].getRegions()[0] as KGMidiRegion).getPitchBends()).toEqual([]);
+    expect((upgraded.getTracks()[0].getRegions()[0] as KGMidiRegion).getControllerEventsByType()).toHaveLength(128);
   });
 });

src/core/project-upgrader/upgradeToV9.ts

@@ -0,0 +1,23 @@
+import { KGProject } from '../KGProject';
+import { KGMidiRegion } from '../region/KGMidiRegion';
+
+export function upgradeToV9(project: KGProject): KGProject {
+  try {
+    for (const track of project.getTracks()) {
+      for (const region of track.getRegions()) {
+        if (region instanceof KGMidiRegion) {
+          const candidate = (region as unknown as { controllerEventsByType?: unknown }).controllerEventsByType;
+          if (!Array.isArray(candidate) || candidate.length !== 128) {
+            region.setControllerEventsByType([]);
+          } else {
+            region.setControllerEventsByType(candidate as never);
+          }
+        }
+      }
+    }
+  } finally {
+    project.setProjectStructureVersion(9);
+  }
+
+  return project;
+}