fix(bgp): сохранять неизвестные показатели без вымышленных чисел

docs/ux-ui/acceptance/bgp-nullable-deployed-2026-10-12.json

@@ -0,0 +1,41 @@
+{
+  "date": "2026-10-12",
+  "runtime": {
+    "backend": "ux-bgp164",
+    "frontend": "ux-bfd158"
+  },
+  "checks": [
+    {
+      "path": "/api/bgp/catalog",
+      "status": 200
+    },
+    {
+      "path": "/api/servers/1/bgp/sessions",
+      "status": 200
+    },
+    {
+      "path": "/api/servers/2/bgp/sessions",
+      "status": 200
+    }
+  ],
+  "cases": [
+    {
+      "width": 1440,
+      "http200": true,
+      "catalog200": true,
+      "noOverflow": true,
+      "errors": []
+    },
+    {
+      "width": 320,
+      "http200": true,
+      "catalog200": true,
+      "noOverflow": true,
+      "errors": []
+    }
+  ],
+  "bounds": [
+    "Read-only production catalog/selected API/UI after own native cleanup; empty catalog is not positive native inactive proof",
+    "Inactive native payloads tested by compiled replay of160 separately; no new RouterOS mutations or Telegram message"
+  ]
+}