Validate that ServerUri / EndpointUrl are present and within the 4096-byte limit. Used both on decode (client side) and before packing (server side) so we never emit or accept an out-of-spec ReverseHello.
an Error tagged with .statusCode = BadTcpEndpointUrlInvalid
.statusCode = BadTcpEndpointUrlInvalid
Validate that ServerUri / EndpointUrl are present and within the 4096-byte limit. Used both on decode (client side) and before packing (server side) so we never emit or accept an out-of-spec ReverseHello.