Store context on sockets about socket.io HOT 1 CLOSED

type SocketContext struct {
	UserId string `json:"userId"`
}
io.On("connection", func(clients ...any) {
	client := clients[0].(*socket.Socket)
	client.SetData(&SocketContext{UserId: "some-user-id"})
	client.On("reply", func(...any) {
		ctx := client.Data().(*SocketContext)
		userId := ctx.UserId
	})
})