This is a more direct follow up to https://v236xhqtyullodhf26szyjepvkbv6iitrhjgrqj4avaoukebkk6n6syd.onion/t/mitigating-application-layer-denial-of-service-on-onion-services/22062.
Is there an analogue to closing a client connection, but at the Tor circuit level? So that I can kick a client and force them to re-do the proof of work.