@@ -0,0 +1,53 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import type { SessionSummary } from '@maka/core/session';
+import {
+  projectDesktopExternalSessionCatalogItem,
+} from '../../preload/external-session-catalog.js';
+import { projectDesktopSessionSummary } from '../../shared/desktop-session-projection.js';
+import { desktopSessionKey } from '../../shared/runtime-host-identity.js';
+
+test('projects imported Session ids into the same Desktop identity space as Session summaries', () => {
+  const host = { hostId: 'host-a' };
+  const catalogItem = projectDesktopExternalSessionCatalogItem(host, {
+    id: 'source-1',
+    name: 'Source',
+    cwd: '/external',
+    importState: {
+      importedCount: 1,
+      importedSessionIds: ['imported-1'],
+      isImporting: false,
+    },
+  });
+  const summary = projectDesktopSessionSummary(
+    {
+      ...host,
+      profileId: 'profile-a',
+      profileName: 'Profile A',
+      profileKind: 'remote',
+    },
+    session('imported-1'),
+  );
+
+  assert.deepEqual(catalogItem.importState.importedSessionIds, [
+    desktopSessionKey({ hostId: host.hostId, sessionId: 'imported-1' }),
+  ]);
+  assert.equal(catalogItem.importState.importedSessionIds[0], summary.id);
+});
+
+function session(id: string): SessionSummary {
+  return {
+    id,
+    name: 'Imported',
+    isFlagged: false,
+    isArchived: false,
+    labels: [],
+    hasUnread: false,
+    status: 'active',
+    backend: 'ai-sdk',
+    llmConnectionSlug: 'default',
+    connectionLocked: false,
+    model: 'gpt-5',
+    permissionMode: 'ask',
+  };
+}