{
  "source": "Current xmetric file-app runtime; not an engine corpus score",
  "updated": "2026-10-27",
  "maxFileBytes": 33554432,
  "maxSharedColumns": 100,
  "maxGroupBy": 2,
  "maxAggregateRows": 200,
  "sessionInactivityMs": 1800000,
  "scope": "local-file card, separate from online storage limits"
}