fix(backups): подтверждать настройки и последнюю проверку S3

app/(main)/backups/page.tsx

@@ -5,7 +5,7 @@ import { PageHeader } from "@/components/page-header"
 import { backups as mockBackups, servers as mockServers, type Backup, type Server } from "@/lib/data"
 import { createFilterQuery } from "@/components/reui/filters/filters-query"
 import type { FilterQuery } from "@/components/reui/filters/filters-types"
-import type { BackupScheduleSettingsDto, BackupStorageSettingsDto } from "@mmapp/contracts/backups"
+import { backupStorageSettingsDtoSchema, type BackupScheduleSettingsDto, type BackupStorageSettingsDto } from "@mmapp/contracts/backups"
 import { KpiStatGrid } from "@/components/reui-kit/kpi-stat-grid"
 import { Alert, AlertAction, AlertDescription, AlertTitle } from "@/components/reui/alert"
 import { Button } from "@/components/ui/button"
@@ -36,7 +36,7 @@ import {
   testBackupStorage,
   type BackupItem,
 } from "@/shared/api/backups"
-import { requestJson, requestBlob } from "@/shared/api/http-client"
+import { ApiClientError, requestJson, requestBlob } from "@/shared/api/http-client"
 import { toast } from "sonner"
 import { backupSchedulePayload, backupStoragePayload } from "@/lib/backup-settings"
 import { BackupsHistory } from "@/components/backups/backups-history"
@@ -95,6 +95,7 @@ function BackupsContent() {
   const [syncBusy, setSyncBusy] = useState(false)
   const [schedule, setSchedule] = useState<BackupScheduleForm>(defaultSchedule)
   const [storage, setStorage] = useState<BackupStorageForm>(defaultStorageForm)
+  const [storageIsDirty, setStorageIsDirty] = useState(false)
   const [savedSchedule, setSavedSchedule] = useState<BackupScheduleSettingsDto | null>(null)
   const [savedStorage, setSavedStorage] = useState<BackupStorageSettingsDto | null>(null)
   const [scheduleLastError, setScheduleLastError] = useState<string | null>(null)
@@ -108,7 +109,7 @@ function BackupsContent() {
   const [restoreTarget, setRestoreTarget] = useState<Backup | null>(null)
 
   const setSched = <K extends keyof BackupScheduleForm>(k: K, v: BackupScheduleForm[K]) => { scheduleDirty.current = true; setSchedule(s => ({ ...s, [k]: v })) }
-  const setStore = <K extends keyof BackupStorageForm>(k: K, v: BackupStorageForm[K]) => { storageDirty.current = true; setStorage(s => ({ ...s, [k]: v })) }
+  const setStore = <K extends keyof BackupStorageForm>(k: K, v: BackupStorageForm[K]) => { if (k !== "showPassword") { storageDirty.current = true; setStorageIsDirty(true) } setStorage(s => ({ ...s, [k]: v })) }
 
   const mapApiBackupToUi = useCallback((b: BackupItem): Backup => {
     const kb = Math.round(b.sizeBytes / 1024)
@@ -199,9 +200,9 @@ function BackupsContent() {
     if (!canWrite || !current("storage")) return
     const abort = startSettingsMutation(); if (!abort) return
     try {
-      const result = await putBackupStorageSettings(backendUrl, backupStoragePayload(storage), { signal: abort.signal })
+      const result = await putBackupStorageSettings(backendUrl, backupStoragePayload(storage, savedStorage?.secretConfigured), { signal: abort.signal })
       if (!alive.current || abort.signal.aborted) return
-      setSavedStorage(result); setStorage(prev => ({ ...prev, ...result, s3SecretAccessKey: "" })); storageDirty.current = false; settingsConfirmed("storage")
+      setSavedStorage(result); setStorage(prev => ({ ...prev, ...result, s3SecretAccessKey: "" })); storageDirty.current = false; setStorageIsDirty(false); settingsConfirmed("storage")
       toast.success("Хранилище сохранено")
     } catch (error) { if (alive.current && !abort.signal.aborted) setOpError(userApiError(error)) }
     finally { finishSettingsMutation(abort) }
@@ -218,7 +219,15 @@ function BackupsContent() {
       setSavedStorage(result); settingsConfirmed("storage")
       if (result.lastTestError || !result.lastTestAt || result.provider !== "s3") throw new Error(result.lastTestError || "Проверка S3 не подтверждена")
       toast.success("Доступ к S3 подтверждён")
-    } catch (error) { if (alive.current && !abort.signal.aborted) setOpError(userApiError(error)) }
+    } catch (error) {
+      if (alive.current && !abort.signal.aborted) {
+        if (error instanceof ApiClientError && error.payload && typeof error.payload === "object" && "settings" in error.payload) {
+          const parsed = backupStorageSettingsDtoSchema.safeParse(error.payload.settings)
+          if (parsed.success) setSavedStorage(parsed.data)
+        }
+        setOpError(userApiError(error))
+      }
+    }
     finally { finishSettingsMutation(abort) }
   }
   async function handleSyncStorage() {
@@ -522,6 +531,7 @@ function BackupsContent() {
                 onSaveStorage={handleSaveStorage}
                 scheduleKnown={known("schedule")}
                 storageKnown={known("storage")}
+                storageDirty={storageIsDirty}
                 scheduleWritable={canWrite && canReadServers && current("schedule") && current("servers")}
                 storageWritable={canWrite && current("storage")}
                 allEnabled={allEnabled}