feat: add asynchronous inventory exports

apps/api/tests/http/admin-export-routes.test.js

@@ -100,3 +100,29 @@ test('downloads seller-scoped inventory Excel XML for an authenticated admin', a
   assert.equal(response.headers['content-disposition'], 'attachment; filename="inventory.xls"');
   assert.equal(response.body, '<?xml version="1.0"?><Workbook />');
 });
+
+test('enqueues and polls an asynchronous inventory export', async (testContext) => {
+  const app = buildApp({
+    authenticateAdmin: async () => ({ sellerId: 'seller-1' }),
+    adminExportService: {
+      async enqueueInventoryJson({ sellerId }) {
+        assert.equal(sellerId, 'seller-1');
+        return { id: 'job-1', status: 'PENDING', createdAt: '2026-09-10' };
+      },
+      async getExportJob({ sellerId, jobId }) {
+        assert.equal(sellerId, 'seller-1');
+        assert.equal(jobId, 'job-1');
+        return { id: jobId, format: 'JSON', status: 'COMPLETED', output: [{ id: 'item-1' }] };
+      },
+    },
+  });
+  testContext.after(() => app.close());
+
+  const enqueue = await app.inject({ method: 'POST', url: '/api/v1/admin/exports/inventory.json/jobs' });
+  const poll = await app.inject({ method: 'GET', url: '/api/v1/admin/exports/jobs/job-1' });
+
+  assert.equal(enqueue.statusCode, 202);
+  assert.equal(enqueue.json().data.id, 'job-1');
+  assert.equal(poll.statusCode, 200);
+  assert.deepEqual(poll.json().data.output, [{ id: 'item-1' }]);
+});