_30_LIBRARY is a DZ root zone. It is storage architecture, not a website section.
| Purpose | Durable reference material and reusable assets. |
| Use For | Data, media, domain libraries, source caches, reusable assets, and retained reference collections. |
| Do Not Use For | Fresh run output, temporary scratch work, active source projects, or questionable files awaiting triage. |
| Current Top-Level Examples | Data, FORD, LOGOS, Media, Sacred Texts, space-rumble-bbc-sfx-import, terra-firma-source-cache |