- Add group_name, depends_on and updated_by columns to website_housekeeping_permissions
- Add migration 0016 for new columns
- Rewrite housekeeping page with 7 tabs: Overview, Manage, Import/Export, Rank overview, Presets, Test, Audit log
- Add permission groups/categories with filtering
- Add bulk JSON import/export
- Add rank overview grouped by permission category
- Add permission presets for Moderator (rank 5), Admin (rank 7), Super Admin (rank 8)
- Add audit logging for all permission changes via AdminAuditLog
- Add test mode to check permissions by rank
- Add dependency tracking with warnings for missing dependencies
- Add overview dashboard with statistics
- Add Dutch and English translations for all new features
All user-supplied string values from FormData now go through
String.prototype.normalize('NFC') to prevent Unicode homoglyph
attacks and canonicalization bypasses. NFC is idempotent for
already-normalized strings, so this is a pure security improvement
with zero behavioral change for legitimate users.