tombstone gate all user paths; cleanup deletes late follower rows; spa self-delete to /; adr 0016 + purge comment

spa/src/routes/_app/settings/index.tsx

@@ -133,7 +133,6 @@ function SettingsPage() {
 function DangerZone() {
   const { t } = useTranslation()
   const { logout } = useAuth()
-  const navigate = useNavigate()
   const [open, setOpen] = useState(false)
   const del = useDeleteOwnAccount()
 
@@ -148,7 +147,8 @@ function DangerZone() {
       {
         onSuccess: () => {
           logout()
-          navigate({ to: "/login" })
+          // Full page load: the classic public home, not the SPA login.
+          window.location.assign("/")
         },
       },
     )