Raw APPROVAL_RETENTION_DAYS env value; parsed via numberVar(…, 30, 'APPROVAL_RETENTION_DAYS', { allowZero: true }) and converted to ms — 0 purges decided approvals immediately, the same convention RUN_RETENTION_DAYS uses.
The deployment approval store.
The maintenance duty name, used only for log correlation.
Options for the maintenance-owned approval-retention purge.