feat: close Advisor findings about a mailbox, campaign or step inside its delete transaction, keep re-evaluating workspaces that still hold open findings after their last mailbox is gone, re-evaluate the Advisor right after a mailbox change or a campaign/step delete with coalesced reruns, and refresh the unread badge, inbox, campaigns, analytics and Advisor caches on every mailbox removal including a teammate's
Move audit logs into org-scoped Postgres storage, wire audit events across backend handlers, and surface actor details in the dashboard activity log.
Add realtime audit invalidation and retention pruning so the trail stays current and bounded.