- Raise WORKER_MAX_ZIP_SIZE_MB from 4GB to 200GB (production .env)
- Make MAX_PART_SIZE configurable via MAX_PART_SIZE_MB env var
(default 1950 MiB, set to 3900 for Premium accounts)
- Remove hardcoded 1950 MiB constants in split.ts and worker.ts
- Add grouping system audit report with real-world failure cases
10 archives were blocked by the 4GB limit (up to 70.5GB).
They will be retried on next ingestion cycle.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>