Implement role and user management enhancements

- Added MaxIpLimit to roles, allowing for the configuration of simultaneous IP limits for users.
- Updated role creation and update commands to include MaxIpLimit, ensuring proper handling in the application logic.
- Enhanced user management by introducing a DELETE endpoint for user accounts, with appropriate checks to prevent self-deletion.
- Updated documentation to reflect changes in role and user management, clarifying the new IP limit functionality and user deletion process.
- Adjusted related tests to cover new functionality and ensure robust validation of role and user management features.

frontend/src/features/admin/users/UserManageDialog.tsx

@@ -9,10 +9,12 @@ import { Label } from '@/shared/ui/label'
 import { Badge } from '@/shared/ui/badge'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/shared/ui/select'
 import { listRoles } from '@/features/admin/roles/api'
+import { useAuthStore } from '@/features/auth/store'
 import type { UserSummaryDto } from '@/shared/api/types'
 import {
   blockUser,
   changeUserRole,
+  deleteUser,
   forceRevokeConfig,
   getUserConfigs,
   resetUserPassword,
@@ -23,6 +25,7 @@ export function UserManageDialog({ user, open, onOpenChange }: { user: UserSumma
   const { t } = useTranslation()
   const queryClient = useQueryClient()
   const [newPassword, setNewPassword] = useState('')
+  const currentUserId = useAuthStore((state) => state.user?.id)
 
   const rolesQuery = useQuery({ queryKey: ['admin-roles'], queryFn: listRoles, enabled: open })
   const configsQuery = useQuery({ queryKey: ['admin-user-configs', user.id], queryFn: () => getUserConfigs(user.id), enabled: open })
@@ -65,6 +68,16 @@ export function UserManageDialog({ user, open, onOpenChange }: { user: UserSumma
     onError: () => toast.error(t('auth.genericError')),
   })
 
+  const deleteMutation = useMutation({
+    mutationFn: () => deleteUser(user.id),
+    onSuccess: async () => {
+      toast.success(t('admin.users.deleted'))
+      onOpenChange(false)
+      await invalidateUsers()
+    },
+    onError: () => toast.error(t('auth.genericError')),
+  })
+
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogContent className="max-w-lg">
@@ -147,6 +160,18 @@ export function UserManageDialog({ user, open, onOpenChange }: { user: UserSumma
               </div>
             ))}
           </div>
+
+          {user.id !== currentUserId && (
+            <Button
+              variant="destructive"
+              disabled={deleteMutation.isPending}
+              onClick={() => {
+                if (confirm(t('admin.users.confirmDelete'))) deleteMutation.mutate()
+              }}
+            >
+              {t('admin.users.delete')}
+            </Button>
+          )}
         </div>
       </DialogContent>
     </Dialog>