fix(ui): убрать проверку статуса бэкенда из компонентов

app/(main)/ospf/page.tsx

@@ -1227,8 +1227,8 @@ export default function OspfPage() {
   const [activeTab,      setActiveTab]      = useState<OspfTab>("interfaces")
   const [filterServerId, setFilterServerId] = useState<string>("all")
 
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
 
   const [liveData,   setLiveData]   = useState<BackendOspfAll | null>(null)
   const [loading,    setLoading]    = useState(false)
@@ -1291,6 +1291,16 @@ export default function OspfPage() {
       const { nodes: graphNodes, edges: graphEdges } = buildLiveGraph(neighbors)
       return { items, neighbors, graphNodes, graphEdges, routerIds, bfdSessions }
     }
+    if (isLive) {
+      return {
+        items:       [],
+        neighbors:   [],
+        graphNodes:  [],
+        graphEdges:  [],
+        routerIds:   {},
+        bfdSessions: [],
+      }
+    }
     return {
       items:       MOCK_ITEMS,
       neighbors:   MOCK_NEIGHBORS,
@@ -1318,6 +1328,7 @@ export default function OspfPage() {
       }
       return [...seen.values()]
     }
+    if (isLive) return []
     // Mock: derive from MOCK_GRAPH_NODES that actually have interfaces
     const activeIds = new Set(MOCK_ITEMS.map(i => i.routerKey))
     const siteCountry: Record<string, string> = { MSK: "RU", SPB: "RU", FRA: "DE", AMS: "NL", SGP: "SG" }