I think this is consistent with the Anthropic announcement. I do not see anything on this page that says it will NOT be charged as extra usage.

The most recent Anthropic announcement was not that people would be banned for using subscriptions with OpenClaw, but that it would be charged as extra usage. I think the reason this was changed three days after that announcement is that being charged for extra usage meant people would not be banned for using their subscription OAuth tokens directly against the Anthropic API with a third party harness, as they had been before. But rather both that usage, and the more recent claude -p usage both be charged as extra usage.