Function retentionDays

telemetry-worker/src/rollup.ts:52–55

(env: Env)

/** Configured retention, clamped to something sane; falls back to the default. */
export function retentionDays(env: Env): number {
  const raw = Number(env.RETENTION_DAYS);
  return Number.isInteger(raw) && raw >= 1 && raw <= 3650 ? raw : DEFAULT_RETENTION_DAYS;
}

/** Oldest day kept: everything strictly before this is purged. */
export function retentionCutoff(atMs: number, keepDays: number): string {