controller: zero-toggle honesty — a configured+escrowed offbox with no app selected shows 'Nincs távoli mentésre jelölt alkalmazás…' on the toggle list, and a zero-toggle run reports 'Sikeres — nincs mentésre jelölt alkalmazás' instead of bare success

Claude-Session: https://claude.ai/code/session_01GzammAMzsJTgpQHqxwM2bC

controller/internal/web/handlers.go

@@ -671,7 +671,17 @@ func (s *Server) backupsHandler(w http.ResponseWriter, r *http.Request) {
 		offboxTgt := s.settings.GetOffboxTarget()
 		data["Offbox"] = offboxTgt
 		data["OffboxConfigured"] = s.backupMgr.OffboxConfigured()
-		data["OffboxApps"] = s.buildOffboxApps()
+		offboxApps := s.buildOffboxApps()
+		data["OffboxApps"] = offboxApps
+		// Zero-toggle hint (take-two obs.): configured + escrowed but no app selected — nothing is
+		// actually covered by the offsite leg until the customer toggles at least one.
+		offboxToggled := 0
+		for _, a := range offboxApps {
+			if a.Enabled {
+				offboxToggled++
+			}
+		}
+		data["OffboxToggledCount"] = offboxToggled
 		// SLICE 4 soft-quota usage bar (rendered only when a quota is set — shared model).
 		data["OffboxQuotaPct"] = backup.OffboxQuotaPercent(offboxTgt)
 	} else {