data/splits.json

{
  "development": "2026-04-20T06:00:00Z to 2026-04-20T10:00:00Z",
  "test": "2026-04-20T10:00:00Z to 2026-04-20T14:00:00Z",
  "unit": "authored sequences, not random rows",
  "seed": 20
}