fix(ui): подтверждать переключение проб через API

app/(main)/uptime/page.tsx

@@ -1056,6 +1056,7 @@ function ResourcesTab({ resources, serversList, liveApi }: { resources: ServerRe
 
 function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId: string | null; allProbesHref: string }) {
   const { mode, backendUrl, backendStatus, checkBackend } = useDataSource()
+  const draftProbeId = useRef("")
   const [probeSaving, setProbeSaving] = useState(false)
   const [probeSaveError, setProbeSaveError] = useState<string | null>(null)
   const savingRef = useRef(false)
@@ -1579,11 +1580,8 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
   // ── actions ──
   const toggleProbe  = (id: string, v: boolean) => {
     if (!requireWrite()) return
-    setProbes((prev) => {
-      const next = prev.map((x) => x.id === id ? { ...x, enabled: v } : x)
-      void persistProbes(next).catch(error => setOpError(serverOperationError(error)))
-      return next
-    })
+    const next = probes.map(p => p.id === id ? { ...p, enabled: v } : p)
+    void saveProbeForm(() => persistProbes(next), () => setProbes(next))
   }
 
   const deleteProbe  = (id: string) => {
@@ -1637,6 +1635,7 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
 
   const openAddSheet = () => {
     if (!requireWrite()) return
+    draftProbeId.current = "p" + Date.now()
     setProbeSaveError(null)
     setEditingProbeId(null)
     setNewSrcId(selectableSources[0]?.id ?? "")
@@ -1649,7 +1648,7 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
     if (!requireWrite()) return
     if (!newName.trim() || !newTarget.trim() || !newSrcId) return
     const probeBase: PingProbe = {
-      id: editingProbeId ?? `p${Date.now()}`,
+      id: editingProbeId ?? draftProbeId.current,
       srcServerId: newSrcId,
       srcInterface: newSrcInterface,
       name:        newName.trim(),
@@ -1883,18 +1882,15 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
 
   const updateSpeedProbe = (id: string, patch: Partial<SpeedProbeRow>) => {
     if (!requireWrite()) return
-    setSpeedProbes((prev) => {
-      const nextRows = prev.map((p) => {
-        if (p.id !== id) return p
-        const next = { ...p, ...patch }
-        if (patch.srcServerId && patch.srcServerId === next.dstServerId) {
-          next.dstServerId = selectableSources.find((s) => s.id !== patch.srcServerId)?.id ?? patch.srcServerId
-        }
-        return next
-      })
-      void persistSpeedProbes(nextRows).catch(error => setSpeedError(serverOperationError(error)))
-      return nextRows
+    const nextRows = speedProbes.map(p => {
+      if (p.id !== id) return p
+      const next = { ...p, ...patch }
+      if (patch.srcServerId && patch.srcServerId === next.dstServerId) {
+        next.dstServerId = selectableSources.find(s => s.id !== patch.srcServerId)?.id ?? patch.srcServerId
+      }
+      return next
     })
+    void saveProbeForm(() => persistSpeedProbes(nextRows), () => setSpeedProbes(nextRows))
   }
 
   const openAddSpeedSheet = () => {
@@ -1904,7 +1900,7 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
     const src = selectableSources[0]?.id ?? ""
     const dst = selectableSources.find((s) => s.id !== src)?.id ?? src
     setSpeedDraft({
-      id: "",
+      id: "sp-" + Date.now(),
       srcServerId: src,
       dstServerId: dst,
       srcInterface: "",
@@ -1937,7 +1933,7 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
     if (!speedDraft.srcServerId || !speedDraft.dstServerId) return
     const next = editingSpeedProbeId ? speedProbes.map(p => p.id === editingSpeedProbeId
       ? { ...p, ...speedDraft, id: editingSpeedProbeId, durationSec: String(speedDraft.durationSec ?? "10") } : p)
-      : [{ ...speedDraft, id: "sp-" + Date.now() }, ...speedProbes]
+      : [{ ...speedDraft, id: speedDraft.id }, ...speedProbes]
     void saveProbeForm(() => persistSpeedProbes(next), () => {
       setSpeedProbes(next)
       setEditingSpeedProbeId(null)
@@ -2008,6 +2004,8 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
       {!canWrite && <ContextAlert variant="info" role="status"><ContextTitle>Только просмотр</ContextTitle><ContextDescription>Изменение проб и запуск измерений требуют разрешения на запись. Обновление данных загружает сохранённые результаты.</ContextDescription></ContextAlert>}
       {permissionError && !sheetOpen && !speedSheetOpen && <ContextAlert variant="destructive" role="alert"><ContextDescription>{permissionError}</ContextDescription></ContextAlert>}
 
+      {probeSaveError && !sheetOpen && !speedSheetOpen && <ContextAlert variant="destructive" role="alert"><ContextDescription>{probeSaveError}</ContextDescription></ContextAlert>}
+
       {/* ── Live indicator ── */}
       {!isPaused && (
         <div className="flex items-center gap-2 px-6 py-1.5 border-b shrink-0 text-[11px]"
@@ -2682,6 +2680,7 @@ function UptimePageContent({ selectedProbeId, allProbesHref }: { selectedProbeId
                             onClick={() => {
                               if (!requireWrite()) return
                               setProbeSaveError(null)
+                              draftProbeId.current = "p" + Date.now()
                               setEditingProbeId(null)
                               setNewSrcId(srv.id)
                               setNewSrcInterface("")