about endpoint protocol version passing

[wsky]

client1 connect with v1 -> server wrapper sender1 as v1

client send-reply

• client1 send with v1 -> server reply with v1
• client1 send with v2 -> server reply with v2

server send-reply

• server send by sender1 with v1 -> client1 reply with v1

choose version by exist sender or default version while send choose version by received message while reply

[wsky]

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