fix(ui): привязать фильтр интерфейса к серверу потоков

app/(main)/traffic/page.tsx

@@ -805,7 +805,10 @@ export default function TrafficPage() {
   const flowClients = useMemo(() => currentFlows?.clients ?? [], [currentFlows])
   const [analyticsRetry, setAnalyticsRetry] = useState(0)
   const [analyticsResult, setAnalyticsResult] = useState<{ key: string; data?: FlowAnalyticsDto; monthly?: FlowMonthlyDto; error?: string } | null>(null)
-  const [flowIface, setFlowIface] = useState("__all__")
+  const flowIfaceOwner = JSON.stringify([isLive, backendUrl, groupMode, flowScope, selectedId])
+  const [flowIfaceSelection, setFlowIfaceSelection] = useState<{ owner: string; iface: string } | null>(null)
+  const flowIface = flowIfaceSelection?.owner === flowIfaceOwner ? flowIfaceSelection.iface : "__all__"
+  const setFlowIface = (iface: string) => setFlowIfaceSelection({ owner: flowIfaceOwner, iface })
   const [flowDedup, setFlowDedup] = useState(true)
   const [flowExcludeMesh, setFlowExcludeMesh] = useState(true)
   const [flowExcludeOverlay, setFlowExcludeOverlay] = useState(true)
@@ -911,10 +914,6 @@ export default function TrafficPage() {
     return () => { cancelled = true }
   }, [isLive, effectiveMode, selectedId, range, flowScope, flowIface, flowDedup, flowExcludeMesh, flowExcludeOverlay, backendUrl, analyticsKey])
 
-  useEffect(() => {
-    setFlowIface("__all__")
-  }, [selectedId, flowScope])
-
   useEffect(() => {
     if (!isLive) return
     void listServers(backendUrl).then(setCatalogServers).catch(() => setCatalogServers([]))
@@ -1264,7 +1263,7 @@ export default function TrafficPage() {
                         key={card.id}
                         card={card}
                         selected={card.id === (selFlowCard?.id ?? selectedId)}
-                        onClick={() => setSelectedId(card.id)}
+                        onClick={() => { setFlowIface("__all__"); setSelectedId(card.id) }}
                       />
                     ))}
                     {!liveBusy && !liveError && sortedFlowCards.length === 0 ? (