fix(uptime): отличать ошибки опроса от измеренных потерь Ping

docs/ux-ui/acceptance/ping-measurement-deployed-2026-10-12.json

@@ -0,0 +1,29 @@
+{
+  "date": "2026-10-12",
+  "block": "12.5.173",
+  "runtime": {
+    "backend": "ux-ping173",
+    "frontend": "ux-ping173"
+  },
+  "cases": [
+    {
+      "width": 1440,
+      "overview200": true,
+      "unknownFilterPresent": true,
+      "pageErrors": 0,
+      "noOverflow": true
+    },
+    {
+      "width": 320,
+      "overview200": true,
+      "unknownFilterPresent": true,
+      "pageErrors": 0,
+      "noOverflow": true
+    }
+  ],
+  "bounds": [
+    "Actual empty configured probe catalog; positive/error UI proven by API-path fixtures and own HTTP/SQL",
+    "Real CHR parser checked separately by readonly native Ping, not by empty production catalog",
+    "No config/password/message writes during this read-only browser smoke"
+  ]
+}