Welcome to Trogdor. Think of the workstation as a workshop, and the public host as a small city. Three journeys matter. Delivery moves application files. Requests reach Nginx, which can serve a file, pass work to PHP, or route to an application. User edits and uploads create state that must survive the next delivery. Sync copies changes. It does not, by itself, keep a recoverable past. A backup needs retained recovery points and a tested restore. This guide is a dated observation, not live telemetry. Faculty and EDGE still have differences between intended configuration and observed runtime. Open their records for the details.
