A command-line process-and-exit option to do post-rip one-shot runs.
As text; allow one-shot runs that can be kicked off post-rip to do a process run, do fixes, and then exit.
What would the expectation be regarding automatic and semi automatic fixes? Should only automatic fixes (e.g. cover art) be executed?
You could simply run bliss and the new albums will be picked up. Knowing when to send a kill signal would be more difficult.