fix(backups): защитить подключение S3 и согласовать операции каталога

docs/ux-ui/acceptance/storage-origin233.json

@@ -0,0 +1,57 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.233",
+  "baseline": false,
+  "checks": [
+    {
+      "change": "s3Bucket",
+      "status": 409,
+      "settingsUnchanged": true
+    },
+    {
+      "change": "s3Endpoint",
+      "status": 409,
+      "settingsUnchanged": true
+    },
+    {
+      "change": "s3Region",
+      "status": 409,
+      "settingsUnchanged": true
+    },
+    {
+      "change": "s3ForcePathStyle",
+      "status": 409,
+      "settingsUnchanged": true
+    },
+    {
+      "change": "provider",
+      "status": 409,
+      "settingsUnchanged": true
+    },
+    {
+      "allowed": "s3Prefix",
+      "status": 200
+    },
+    {
+      "allowed": "s3SecretAccessKey",
+      "status": 200
+    },
+    {
+      "allowed": "keepLocalCopy",
+      "status": 200
+    },
+    {
+      "emptyCatalogChangeAllowed": true
+    },
+    {
+      "inFlightUpdateRejectedBeforeCatalogPublication": true
+    },
+    {
+      "staleDownloadRejectsBeforeS3AfterDeletion": true
+    }
+  ],
+  "externalS3Contacts": 0,
+  "chrContacts": 0,
+  "passed": true,
+  "ownedDatabaseAndRoleRemoved": true
+}