_90_QUARANTINE is a DZ root zone. It is storage architecture, not a website section.
| Purpose | Preserved material removed from normal structure because deletion would be unsafe. |
| Use For | Root drift, stale config, questionable old folders or files, and repair holding areas that need a manifest trail. |
| Do Not Use For | Active storage, normal archive, scratch work, or anything new unless it is being deliberately isolated. |
| Current Top-Level Examples | 20260424-232821-stage1, 20260425-selftest-folder-purge, 20260429-102653-root-drift, 20260429-110334-root-local-config, 20260429-root-entrypoint-scratch-repair |