Publishing a keepalive event via the HTTP API has no effect on the entity

Publishing a keepalive event via the HTTP API has no effect on the entity: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I have a proxy entity that isn't backed by a running agent, but I'd still like to "ping" it periodically from an external script so it shows…

The task

I have a proxy entity that isn't backed by a running agent, but I'd still like to "ping" it periodically from an external script so it shows up as recently seen. The natural way to do this seems to be POSTing/PUTting a keepalive event to the events HTTP API.

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.