ActionRunStatus
Type: warmhub.ActionRunStatus
ActionRunStatus = Literal['pending', 'running', 'processing', 'retry_wait', 'succeeded', 'suppressed', 'failed_terminal', 'dead_letter']action.listRuns’s run-status vocabulary, named once rather than spelled out
in all four places (both Protocols and both iterators) where a divergence
would be a Literal that silently accepts less than the generated method.