at.happyproto.admin.createSpaces

Create HappyProto's admin and customers spaces, member-only, keeping either that already exists, and add each of staff to the admin space with write access, skipping existing members. Each space is looked up at the uri its script variable (HAPPYPROTO_ADMIN_SPACE, HAPPYPROTO_CUSTOMERS_SPACE) names, or, unset, under HAPPYPROTO_DID. A space created here has a DID of its own, and the uri answered is the one to set its variable to. Idempotent once the variables are set: a second call creates nothing and adds no one. Only HappyProto's own account may call it.