fix(ui): убрать проверку статуса бэкенда из компонентов

app/(main)/bgp/page.tsx

@@ -826,8 +826,8 @@ const TABS: Array<{ id: BgpTab; label: string; icon: React.ReactNode }> = [
 export default function BgpPage() {
   const [activeTab, setActiveTab] = useState<BgpTab>("sessions")
 
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
 
   const [liveSessions, setLiveSessions] = useState<BgpSession[]>([])
   const [loading,      setLoading]      = useState(false)

app/(main)/dashboard/page.tsx

@@ -289,8 +289,8 @@ function ProbeSourceCell({ probe, catalog }: { probe: PingProbe; catalog: Server
 
 export default function DashboardPage() {
   const pathname = usePathname()
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
   const [liveProbes, setLiveProbes] = useState<PingProbe[] | null>(null)

app/(main)/data-collection/page.tsx

@@ -661,8 +661,8 @@ function RunRowDetail({ r }: { r: SchedulerRunRowDto }) {
 }
 
 export default function DataCollectionPage() {
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
   const [trafficCollector, setTrafficCollector] = useState<CollectorSettingsDto | null>(null)

app/(main)/gre/page.tsx

@@ -272,8 +272,8 @@ type PageTab   = "tunnels" | "pools"
 
 // ════════════════════════════════════════════════════════════════════════════
 export default function GrePage() {
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
   const [liveServers, setLiveServers] = useState<Server[]>([])

app/(main)/network-map/page.tsx

@@ -777,12 +777,12 @@ function ZoomControls({ zoom, onZoomIn, onZoomOut, onFit }: {
 // ════════════════════════════════════════════════════════════════════════════
 
 export default function NetworkMapPage() {
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const useLiveData = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const useLiveData = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
-  const [mapServers, setMapServers] = useState<Server[]>(mockServers)
-  const [mapGreTunnels, setMapGreTunnels] = useState<GreTunnel[]>(mockGreTunnels)
+  const [mapServers, setMapServers] = useState<Server[]>([])
+  const [mapGreTunnels, setMapGreTunnels] = useState<GreTunnel[]>([])
   const [speedProbes, setSpeedProbes] = useState<GreSpeedProbeSnapshot[]>([])
   /** FQDN из GRE outer → IPv4 (ответ POST /api/network/resolve-hosts), для матчинга с WAN. */
   const [greResolvedIpv4ByHost, setGreResolvedIpv4ByHost] = useState<Record<string, string>>({})

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" }

app/(main)/probes/page.tsx

@@ -729,10 +729,8 @@ export default function ProbesPage() {
 
   const allServers = useMemo(() => {
     if (!isLive) return servers
-    if (liveServers.length > 0) return liveServers
-    if (liveLoad === "error") return servers
-    return []
-  }, [isLive, liveServers, liveLoad])
+    return liveServers
+  }, [isLive, liveServers])
 
   useEffect(() => {
     if (!isLive) {

app/(main)/recursive-routes/page.tsx

@@ -498,12 +498,12 @@ function TypeChip({ type }: { type: "jump-host" | "exit-node" | "home-router" })
 }
 
 export default function RecursiveRoutesPage() {
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
-  const [servers, setServers] = useState<Server[]>(mockServers)
-  const [selectedServerId, setSelectedServerId] = useState<string>(mockServers[0]?.id ?? "")
+  const [servers, setServers] = useState<Server[]>([])
+  const [selectedServerId, setSelectedServerId] = useState<string>("")
   const [rows, setRows] = useState<RecursiveRouteRow[]>([])
   const [busy, setBusy] = useState<"load" | "save" | "from" | "to" | null>(null)
   const [search, setSearch] = useState("")

app/(main)/servers/page.tsx

@@ -321,10 +321,10 @@ type SheetMode = "add" | "edit"
 
 // ════════════════════════════════════════════════════════════════════════════
 export default function ServersPage() {
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
 
-  const [serverList,   setServerList]   = useState<Server[]>(initialServers)
+  const [serverList,   setServerList]   = useState<Server[]>([])
   const [_backendOk,   setBackendOk]   = useState(false)
   const [search,       setSearch]       = useState("")
   const [typeFilter,   setTypeFilter]   = useState<TypeFilter>("all")
@@ -358,7 +358,7 @@ export default function ServersPage() {
       })
       .catch(() => {
         setBackendOk(false)
-        setServerList(initialServers)
+        setServerList([])
       })
   // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [mode, backendUrl])

app/(main)/terminal/page.tsx

@@ -427,8 +427,8 @@ interface BackendServer {
 }
 
 export default function TerminalPage() {
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
 
   // Server list state
   const [liveServers,  setLiveServers]  = useState<TermServer[]>([])

app/(main)/traffic/page.tsx

@@ -758,8 +758,8 @@ const SORT_FIELDS: Array<{ field: SortField; label: string; modesOnly?: GroupMod
 ]
 
 export default function TrafficPage() {
-  const { mode, backendUrl, backendStatus } = useDataSource()
-  const isLive = mode === "live" && backendStatus === true
+  const { mode, backendUrl } = useDataSource()
+  const isLive = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
   const [groupMode, setGroupMode] = useState<GroupMode>("servers")

app/(main)/uptime/page.tsx

@@ -1293,15 +1293,15 @@ function ResourcesTab({ resources, serversList, liveApi }: { resources: ServerRe
 // ── page ───────────────────────────────────────────────────────────────────────
 
 export default function UptimePage() {
-  const [allServers, setAllServers] = useState<Server[]>(mockServers)
   const { mode, backendUrl, backendStatus, checkBackend } = useDataSource()
   /** При mode=live всегда ходим на backend. Нельзя требовать backendStatus===true: до ответа /health там undefined — иначе обзор/«Обновить» молчат. */
   const liveApi = mode === "live"
   const apiFetch = useMemo(() => makeApiFetch(backendUrl), [backendUrl])
 
+  const [allServers, setAllServers] = useState<Server[]>([])
   const [tab,          setTab]          = useState<"probes" | "resources" | "speed">("probes")
-  const [probes,       setProbes]       = useState<PingProbe[]>(INIT_PROBES)
-  const [resources,    setResources]    = useState<ServerResource[]>(INIT_RESOURCES)
+  const [probes,       setProbes]       = useState<PingProbe[]>([])
+  const [resources,    setResources]    = useState<ServerResource[]>([])
   const [isPaused,     setIsPaused]     = useState(false)
   const [search,       setSearch]       = useState("")
   const [statusFilter, setStatusFilter] = useState<"all" | "up" | "warn" | "down">("all")
@@ -1334,18 +1334,12 @@ export default function UptimePage() {
     enabled: true,
   })
 
-  useEffect(() => {
-    if (!liveApi) {
-      // eslint-disable-next-line react-hooks/set-state-in-effect
-      setAllServers(mockServers)
-      return
-    }
-    /** В live каталог серверов подгружается вместе с overview (см. loadLiveOverview), иначе после «Серверы» строки ресурсов пропадают из-за .filter(r => r.server). */
-  }, [liveApi])
-
   useEffect(() => {
     if (liveApi) return
-    queueMicrotask(() => setProbes(mockProbesWithSavedStars(INIT_PROBES)))
+    // eslint-disable-next-line react-hooks/set-state-in-effect
+    setAllServers(mockServers)
+    setProbes(mockProbesWithSavedStars(INIT_PROBES))
+    setResources(INIT_RESOURCES)
   }, [liveApi])
 
   const isPausedRef = useRef(isPaused)