fix(backups): показать отсутствие файлов и защитить удаление записей

docs/ux-ui/acceptance/backups237-deployment.json

@@ -0,0 +1,35 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.237",
+  "backendSourceMatched": 508,
+  "backendCompiledMatched": 1068,
+  "frontendSourceMatched": 529,
+  "originalCatalogAllFieldsMatched": true,
+  "originalCatalogRows": 10,
+  "privateCatalogSnapshotRemoved": true,
+  "containers": {
+    "backend": {
+      "tag": "mmapp-test/backend:ux-backups237",
+      "imageId": "sha256:184aa8844b1c3aaa12e06ee47332a214e84e6962405360acb4026b392dc407ed",
+      "state": "running",
+      "health": "healthy",
+      "backupsMounts": [
+        {
+          "source": "/opt/mmapp-test/data/backups",
+          "destination": "/app/storage/backups"
+        }
+      ]
+    },
+    "frontend": {
+      "tag": "mmapp-test/frontend:ux-backups237",
+      "imageId": "sha256:baf9989cde6527715890e608c2c3271c5ea40dfb235ee47a48e21939b0ec1fd0",
+      "state": "running",
+      "health": null,
+      "backupsMounts": []
+    }
+  },
+  "rollbackTags": {
+    "backend": "ux-backup234",
+    "frontend": "ux-routing218"
+  }
+}