Show a persistent red used label after exporting selected mailboxes while keeping repeat export available. Add clickable ascending/descending remark-date sorting, batch member removal and quota refresh controls, and updated Roxy options. Preserve the public installation guide and exclude local account data.
Add ascending and descending mother-account date sorting, batch member removal and quota refresh helpers, and updated authorization selection checks. Validated with 808 passing tests and a clean frontend build.