Preview offline sync — detect conflicts before committing

curl -X POST https://api.codemeta-os.de/v1/sync/preview \
  -H "X-Tenant-Id: $TENANT" \
  -H "Content-Type: application/json" \
  -b cookies.txt \
  -d '{
  "ops": []
}'

const result = await cm.sync.post({
  "ops": []
});