- SyncResult interface grows additively: groupMembershipsAdded/Removed
(D-21 backend gap, existed since Phase 15 but never wired into the
frontend) plus groupsAdopted/Renamed/Deleted and defaultMarkerMoved
(Plan 16-03).
- New syncRequestError state: a failed sync request (network error or
!res.ok) now renders a visible text-sm text-destructive line instead
of silently reporting a three-zero result as a successful no-op.
- Sync report container gains three new lines: group-membership counts,
AD-group counts (always visible, even at zero), and a conditional
amber "default marker reassigned" line shown only when
defaultMarkerMoved > 0.
- Four new i18n keys under admin.ldap.sync in de.json/en.json.
schalli
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