Definition of catif for MoQ actions #18
Description
Related to https://github.com/wilaw/CAT-4-MOQT/pull/9/files#r2095934066
Today's catif sections in CAT is "The type of this claim is a map; the keys of the map are either claim keys or arrays of claim keys and the values are arrays; the arrays have up to three elements: the status code to return, a map with headers and values (the header map), and a TextString that identifies a key to sign the resultant URI with (the key id)"
A moqt-reval-label can typically be used as the key, but the response would ideally be a MoQ message. For example, if an ongoing Suscription is stopped, the Publisher should send a SUBSCRIBE_ERROR with code 0x1, while an ongoing fetch would require a FETCH_ERROR.