Anonymize the audit events of a deleted user, store only the ID and
name of other users, and drop the metadata copy of actor_email.
Store URLs without query strings, registries without user info, and
the exception class instead of raw SSH errors.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Add audit events for account actions, server and application settings,
services, destinations, storage, backup schedules, and scheduled tasks.
Track changed fields and skip unchanged saves without logging file content.
Add regression coverage for audit events and changed-field detection.