- Add activeTab signal ('pending' | 'all') with tab navigation UI
- Add allUsers signal with loadAllUsers() using generated AdminIAMService.getAllUsers()
- Add getStatusLabel() helper for German status labels (Ausstehend/Aktiv/Freigeschaltet/Inaktiv/Abgelehnt)
- Add getStatusBadgeClass() for color-coded status badges (yellow/green/red)
- Fix duplicate 'Status' column header bug in pending users table
- All-users tab shows Name, Email, Status badge, Rolle columns (no action buttons)
- Add 22 passing tests covering signals, helpers, tab switching, approve/reject, and template
- Replace alert() with ToastService in admin-user-approval and admin-energy-community
- Remove all console.error/console.warn statements from components and guards
- Fix admin-energy-community modal title (now shows 'Bearbeiten' in edit mode)
- Fix admin-user-approval table header ('Zählpunkt' -> 'Status')
- Remove broken header nav links (#so-gehts, #faq) that pointed to non-existent sections