chore(ux): подтвердить потерю и восстановление BFD для OSPFv3

docs/ux-ui/acceptance/ospfv3-bfd-live-ui-2026-10-12.json

@@ -0,0 +1,34 @@
+{
+  "date": "2026-10-12",
+  "runtime": {
+    "backend": "ux-id156",
+    "frontend": "ux-bfd158"
+  },
+  "cases": [
+    {
+      "width": 1440,
+      "server": 1,
+      "fullWhileBfdDown": true,
+      "warningShown": true,
+      "ipv6BfdDown": true,
+      "deviceContextPreserved": true,
+      "noOverflow": true,
+      "errors": []
+    },
+    {
+      "width": 320,
+      "server": 1,
+      "fullWhileBfdDown": true,
+      "warningShown": true,
+      "ipv6BfdDown": true,
+      "deviceContextPreserved": true,
+      "noOverflow": true,
+      "errors": []
+    }
+  ],
+  "bounds": [
+    "Real CHR OSPFv3/BFDv6 over own GRE IPv4 outer",
+    "Read-only UI except navigation; no response substitution",
+    "No simultaneous visibility claim for all mobile table columns; no throughput/SLA/physical WAN proof"
+  ]
+}