- TestEndpointGuards: a foreign browser Origin is 403 before the bearer is
read, a body over the endpoint cap is 413, a long GET stream ends once
its grant stops verifying (T-19.7-18, T-19.7-19)
- TestDispatch: an argument key the input struct does not declare is
refused before dispatch (T-19.7-17)
- the gate requires TestEndpointGuards (untagged and tagged) and runs the
demo's deploy check (T-19.7-37)
