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ignacionelson
b128b114b5
The first version refused clients outright. That was right for the only message that existed — a hosted instance telling its administrator about their plan — and it stopped being right the moment a message needed to reach the *clients* of a shared instance, where the administrator is the operator and the customers are client accounts. The unsafe fix would have been to drop the guard and let each listener check `isStaff`. The safe one is to make every caller say who it is talking to and have core enforce it: `show()` now takes a required `audience` with no default, and a message aimed elsewhere is dropped before it reaches the props. A listener that forgets therefore reaches nobody rather than everybody, which is the direction a mistake should fall. An unrecognised audience reaches nobody either, and is ignored rather than thrown — a listener aimed at the wrong people should show nothing, not break the page it was decorating. The old "a client is never shown one" test became "a message for staff reaches no client, even from a listener that never checks", which is the property that actually matters and the one the enforcement provides. Two more pin the other directions: a client message reaches clients and no staff, and an unknown audience reaches neither. cloud-modules declares `staff` for the free-plan band, and its test fake enforces the same rule, so a listener aimed at the wrong audience fails in the package's own suite rather than passing there and misbehaving in the host.