fix(api): сохранять ошибки наблюдения BGP для оповещений

docs/ux-ui/acceptance/bgp216-initial-fixture-failure.json

@@ -0,0 +1,12 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.216",
+  "baseline": true,
+  "database": "mm_accept_166_1791912911021",
+  "cases": [],
+  "scope": "Compiled production routes/auth, isolated PostgreSQL and RouterOS HTTP fixture; real CHR unchanged",
+  "passed": false,
+  "errorName": "AssertionError",
+  "nativeWrites": 0,
+  "disabledHomeRouterCalls": 0
+}