[Bug]: Agent Card de-serializer does not include the `AgentCard.supportedInterfaces` property

[nschejtman]

What happened?

According to the A2A spec the url and preferredTransport properties at the root of the AgentCard are deprecated and now removed, as mentioned in this comment. These should be replaced by the supportedInterfaces property which currently the AgentCard de-serializer does not include

Relevant log output

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[kabir]

Are you still using an 0.3.x release? Those support version 0.3.0 of the spec. We are working towards the 1.0 spec in our main branch, where AgentCard no longer has those fields you mention, and uses supportedInterfaces. The 1.0 spec isn't totally finalised yet, and there is a lot of work to catch up on in the TCK etc, so it will take a while (possibly a few more weeks) until we can release a 1.0.0 Alpha/Beta.