fix(scheduler): run post-completion system actions

src/utils/schedulerCompletion.test.ts

@@ -0,0 +1,42 @@
+import { describe, expect, it } from 'vitest';
+import type { DownloadItem } from '../bindings/DownloadItem';
+import { schedulerCompletionState } from './schedulerCompletion';
+
+const download = (id: string, status: DownloadItem['status']): DownloadItem => ({
+  id,
+  url: `https://example.com/${id}`,
+  fileName: `${id}.bin`,
+  status,
+  size: '0 B',
+  category: 'Other',
+  dateAdded: new Date().toISOString(),
+  destination: '/tmp',
+  queueId: 'queue',
+});
+
+describe('schedulerCompletionState', () => {
+  it('stays active while any tracked scheduler download can still progress', () => {
+    expect(schedulerCompletionState([
+      download('a', 'completed'),
+      download('b', 'retrying'),
+    ], ['a', 'b'])).toBe('active');
+  });
+
+  it('completes only when every tracked scheduler download completed', () => {
+    expect(schedulerCompletionState([
+      download('a', 'completed'),
+      download('b', 'completed'),
+    ], ['a', 'b'])).toBe('completed');
+  });
+
+  it('treats failed or missing tracked downloads as incomplete', () => {
+    expect(schedulerCompletionState([
+      download('a', 'completed'),
+      download('b', 'failed'),
+    ], ['a', 'b'])).toBe('incomplete');
+
+    expect(schedulerCompletionState([
+      download('a', 'completed'),
+    ], ['a', 'missing'])).toBe('incomplete');
+  });
+});

src/utils/schedulerCompletion.ts

@@ -0,0 +1,21 @@
+import type { DownloadItem } from '../bindings/DownloadItem';
+import { isActiveDownloadStatus } from './downloads';
+
+export type SchedulerCompletionState = 'active' | 'completed' | 'incomplete';
+
+export const schedulerCompletionState = (
+  downloads: DownloadItem[],
+  schedulerActiveDownloadIds: string[],
+): SchedulerCompletionState => {
+  const scheduledItems = schedulerActiveDownloadIds.map(id =>
+    downloads.find(download => download.id === id)
+  );
+
+  if (scheduledItems.some(item => item && isActiveDownloadStatus(item.status))) {
+    return 'active';
+  }
+
+  return scheduledItems.every(item => item?.status === 'completed')
+    ? 'completed'
+    : 'incomplete';
+};