export function chunkArray(array: T[], chunkSize: number): T[][] { const result: T[][] = []; for (let i = 0; i < array.length; i += chunkSize) { const chunk = array.slice(i, i + chunkSize); result.push(chunk); } return result; } export enum BackfillStatus { PENDING = "PENDING", RUNNING = "RUNNING", DONE = "DONE", FAILED = "FAILED", }