fix(netflow): подтверждать выбранный срез перед запросами

docs/ux-ui/acceptance/traffic-flow-scope-smoke-2026-10-11.json

@@ -0,0 +1,84 @@
+{
+  "date": "2026-10-11",
+  "block": "12.5.148",
+  "runtime": {
+    "backend": "ux-scope148",
+    "frontend": "ux-scope148"
+  },
+  "checks": {
+    "readOnlyFrontendUnchanged": true,
+    "backendHealthy": true,
+    "backendProductionBuildPassed": true
+  },
+  "cases": [
+    {
+      "width": 1440,
+      "httpStatus": 200,
+      "api": [
+        {
+          "path": "/api/traffic/servers",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/users",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/bound-interfaces",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/servers/1/live",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/servers/1",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/servers/1/interfaces",
+          "status": 200
+        }
+      ],
+      "pageErrors": [],
+      "noOverflow": true
+    },
+    {
+      "width": 320,
+      "httpStatus": 200,
+      "api": [
+        {
+          "path": "/api/traffic/bound-interfaces",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/servers",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/users",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/servers/1/live",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/servers/1",
+          "status": 200
+        },
+        {
+          "path": "/api/traffic/servers/1/interfaces",
+          "status": 200
+        }
+      ],
+      "pageErrors": [],
+      "noOverflow": true
+    }
+  ],
+  "bounds": [
+    "Read-only initial loading with real current lab catalog; no full NetFlow ingestion or throughput claim",
+    "Catalog failure and pending loading checked by controlled E2E; numeric live server details/interfaces/SSE enabled only after confirmed catalog ownership",
+    "Interface filter remains selected on range changes; backend source switch invalidates prior catalog ownership"
+  ]
+}