fix(backups): отклонять восстановление старых частичных экспортов

docs/ux-ui/acceptance/backup234-deployment.json

@@ -0,0 +1,10 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.234",
+  "backendImage": "ux-backup234",
+  "imageId": "sha256:0bbf998de821f9a45c58f9155506e2e2d52ca8ffcf4453351f4dde094a306b2b",
+  "healthy": true,
+  "sourceMatched": 504,
+  "compiledMatched": 1064,
+  "frontendChanged": false
+}

docs/ux-ui/acceptance/backup234-source.json

@@ -0,0 +1,10 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.234",
+  "kinds": [
+    {
+      "kind": "backend",
+      "matched": 504
+    }
+  ]
+}

docs/ux-ui/acceptance/legacy-restore234.json

@@ -0,0 +1,30 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.234",
+  "checks": [
+    {
+      "bomAndWhitespace": false,
+      "downloadStatus": 200,
+      "restoreStatus": 400,
+      "outcome": "not-applied",
+      "fileAndCatalogPreserved": true,
+      "nativeRequests": 0
+    },
+    {
+      "bomAndWhitespace": true,
+      "downloadStatus": 200,
+      "restoreStatus": 400,
+      "outcome": "not-applied",
+      "fileAndCatalogPreserved": true,
+      "nativeRequests": 0
+    }
+  ],
+  "passed": true,
+  "chrContacts": 0,
+  "externalS3Contacts": 0,
+  "cleanup": {
+    "catalogRows": 0,
+    "localFiles": 0
+  },
+  "ownedDatabaseAndRoleRemoved": true
+}

docs/ux-ui/acceptance/legacy234-catalog.json

@@ -0,0 +1,10 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.234",
+  "total": 10,
+  "legacySynthetic": 0,
+  "nativeHeader": 0,
+  "other": 0,
+  "missing": 10,
+  "configurationWrites": 0
+}