fix(traffic): показывать причину неполного опроса peers

docs/ux-ui/acceptance/traffic-warning-source-2026-10-12.json

@@ -0,0 +1,10 @@
+{
+  "date": "2026-10-12",
+  "block": "12.5.183",
+  "matched": {
+    "backend": 455,
+    "frontend": 524
+  },
+  "different": [],
+  "missing": []
+}