fix(ui): проверять подтверждение восстановления WireGuard

app/(main)/wireguard/page.tsx

@@ -211,6 +211,7 @@ function WireGuardPageContent({ selectedServerId, selectedInterfaceId, allInterf
   const [historyOpen, setHistoryOpen] = useState(false)
   const [revisions, setRevisions] = useState<ConfigRevisionDto[]>([])
   const [historyLoading, setHistoryLoading] = useState(false)
+  const restoreLock = useRef(false)
   const [historyRestoring, setHistoryRestoring] = useState(false)
   const [liveExport, setLiveExport] = useState<{
     rsc?: string
@@ -287,20 +288,23 @@ function WireGuardPageContent({ selectedServerId, selectedInterfaceId, allInterf
   }, [isLive, historyServerId, backendUrl])
 
   const restoreRevision = useCallback(async (id: string) => {
-    if (!isLive || !historyServerId) return
+    if (!isLive || !historyServerId || restoreLock.current) return
+    restoreLock.current = true
     setHistoryRestoring(true)
     try {
-      await requestJson(
+      const result = await requestJson<{ ok: boolean }>(
         backendUrl,
         `/api/wireguard/revisions/${encodeURIComponent(id)}/restore`,
         { method: "POST", body: JSON.stringify({ serverId: historyServerId }) },
       )
+      if (result?.ok !== true) throw new Error("Сервер не подтвердил восстановление")
       toast.success("Версия применена на роутер")
       await loadLive()
       await loadRevisions()
     } catch (err) {
       toast.error("Не удалось откатить", { description: String(err) })
     } finally {
+      restoreLock.current = false
       setHistoryRestoring(false)
     }
   }, [isLive, historyServerId, backendUrl, loadLive, loadRevisions])