Returns the list of supported A2A protocol versions for a specific role (client or server).
Role type: 'client' for A2A client versions, 'server' for A2A server versions
client, server Successfully retrieved A2A supported versions
Response model for A2A supported versions endpoint.
Role type (client or server)
client, server List of supported versions with their features
Current/recommended version for this role
Whether this role is currently implemented
Protocol name