Its registry row and test rows are already in f7f02abb; this is the probe they call. Each KV_<module>_<name> and LOG_<module>_<name> stream is said filling at three quarters of its max_bytes, and kept while a finding is written until under seven tenths. One read of every stream, so the bus module not answering is the probe failing to run, which clears nothing; bucket-or-log-unread is not raised.