- New auth.RequireAdmin middleware (gates by paliad.users.role='admin')
with API/browser-aware reject paths and a fail-closed lookup-error 500.
- Service: AdminCreateUser (onboard from existing auth.users), AdminUpdate
(full profile fields incl. additional_offices), AdminDeleteUser (also
removes project_teams + department_members memberships and clears any
led-Dezernat seat — auth.users is left intact), ListUnonboardedAuthUsers,
IsAdmin (implements auth.AdminLookup).
- Handlers: GET/POST /api/admin/users, GET /api/admin/users/unonboarded,
PATCH/DELETE /api/admin/users/{id}, plus GET /admin/team for the page.
All registered through RequireAdminFunc so non-admins get 403/302.
- Refuses to delete the last remaining admin and rejects role='admin'
assignment via the admin UI (still SQL-only) — same rules as PATCH /api/me.
- /admin/team page: full users table with inline edit (display_name, office,
role, dezernat, additional_offices, lang), trash with confirm, search +
office filters, "Onboard existing account" modal driven by
/api/admin/users/unonboarded, and an Invite button that re-opens the
shared sidebar invite modal.
- Sidebar gains a hidden Admin section that sidebar.ts reveals after a
successful /api/me lookup confirms role='admin' (fails closed on error).
- DE+EN i18n strings for the page, modal and table.
- Tests: require_admin_test.go covers admin-allowed, non-admin 403/302,
unauthenticated 401 and lookup-error fail-closed paths.
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