Applies to both the app's own release tree and the website upload
path - slpmodularcms/test and slpmodularcms/production side by side
under one parent, not two separately-named directories. Service unit
names stay hyphenated; those aren't folders.
Host setup checklist, real domains and ports, the database backup
script the deploy workflow only ever invokes, and a rollback plan.
Also drafted the FTPS switch procedure for whenever production moves
off the Pi, with a note that shared hosting is likely IIS-based -
that's a bigger change than swapping the transport.