fix(backend): уменьшить лишние записи SQLite

Убрать WAL TRUNCATE с hot path NetFlow, не писать неизменённые UPDATE
и служебные INSERT, кэшировать карты topology/analytics.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/(main)/settings/page.tsx

@@ -32,6 +32,8 @@ import {
 import { cn } from "@/lib/utils"
 import { requestJson } from "@/shared/api/http-client"
 import { downloadSystemDatabaseBackup, restoreSystemDatabaseBackup } from "@/shared/api/system-database"
+import { purgeTrafficFlowData } from "@/shared/api/traffic-flow"
+import { formatFlowPurgeResult, NetflowPurgeConfirm } from "@/components/traffic/netflow-purge-dialog"
 import { toast } from "sonner"
 
 interface ApiKey { id: string; name: string; prefix: string; created: string; last: string; scopes: string[] }
@@ -148,6 +150,8 @@ export default function SettingsPage() {
   const [dbRestoreBusy, setDbRestoreBusy] = useState(false)
   const [dbRestoreFile, setDbRestoreFile] = useState<File | null>(null)
   const [dbRestoreDialogOpen, setDbRestoreDialogOpen] = useState(false)
+  const [dbPurgeOpen, setDbPurgeOpen] = useState(false)
+  const [dbPurgeBusy, setDbPurgeBusy] = useState(false)
 
   // notifications
   const [notifEmail,   setNotifEmail]   = useState(true)
@@ -266,6 +270,20 @@ export default function SettingsPage() {
     }
   }, [backendUrl, dbRestoreFile, systemDbAvailable])
 
+  const handleNetflowPurgeConfirm = useCallback(async () => {
+    if (!systemDbAvailable) return
+    setDbPurgeBusy(true)
+    try {
+      const result = await purgeTrafficFlowData(backendUrl)
+      toast.success(formatFlowPurgeResult(result))
+      setDbPurgeOpen(false)
+    } catch (e) {
+      toast.error(e instanceof Error ? e.message : "Не удалось сбросить NetFlow")
+    } finally {
+      setDbPurgeBusy(false)
+    }
+  }, [backendUrl, systemDbAvailable])
+
   const renderContent = () => {
     const ra = DEFAULT_ROUTE_AI_OPTIMIZER_SETTINGS
 
@@ -417,7 +435,7 @@ export default function SettingsPage() {
 
       <OpsPanel
         title="База данных приложения"
-        description="Резервная копия SQLite бекенда: серверы, мониторинг, оповещения, EvoBGP. На время операции планировщик сбора данных приостанавливается."
+        description="Резервная копия SQLite бекенда и сброс таблиц NetFlow. На время операции планировщик и коллектор IPFIX приостанавливаются. Preview: https://reui.io/preview/base/settings-16"
         contentClassName="divide-y px-5"
       >
           {!systemDbAvailable && (
@@ -434,7 +452,7 @@ export default function SettingsPage() {
               variant="outline"
               size="sm"
               className="h-8"
-              disabled={!systemDbAvailable || dbBackupBusy || dbRestoreBusy}
+              disabled={!systemDbAvailable || dbBackupBusy || dbRestoreBusy || dbPurgeBusy}
               onClick={() => { void handleSystemDatabaseBackup() }}
             >
               {dbBackupBusy ? <LoaderCircleIcon className="size-4 animate-spin" /> : <DownloadIcon className="size-4" />}
@@ -450,7 +468,7 @@ export default function SettingsPage() {
                 variant="outline"
                 size="sm"
                 className="h-8"
-                disabled={!systemDbAvailable || dbBackupBusy || dbRestoreBusy}
+                disabled={!systemDbAvailable || dbBackupBusy || dbRestoreBusy || dbPurgeBusy}
                 onClick={() => setDbRestoreDialogOpen(true)}
               >
                 <UploadIcon className="size-4" />
@@ -461,6 +479,21 @@ export default function SettingsPage() {
               )}
             </div>
           </SettingRow>
+          <SettingRow
+            label="Сбросить данные NetFlow"
+            description="Удалит сессии и агрегаты из SQLite, затем VACUUM. Ключи WG и пиры не трогает"
+          >
+            <Button
+              variant="destructive"
+              size="sm"
+              className="h-8"
+              disabled={!systemDbAvailable || dbBackupBusy || dbRestoreBusy || dbPurgeBusy}
+              onClick={() => setDbPurgeOpen(true)}
+            >
+              {dbPurgeBusy ? <LoaderCircleIcon className="size-4 animate-spin" /> : <TrashIcon className="size-4" />}
+              {dbPurgeBusy ? "Сброс…" : "Сбросить"}
+            </Button>
+          </SettingRow>
       </OpsPanel>
 
       <OpsPanel
@@ -893,6 +926,13 @@ export default function SettingsPage() {
         />
       )}
 
+      <NetflowPurgeConfirm
+        open={dbPurgeOpen}
+        busy={dbPurgeBusy}
+        onConfirm={() => { void handleNetflowPurgeConfirm() }}
+        onCancel={() => { if (!dbPurgeBusy) setDbPurgeOpen(false) }}
+      />
+
       <FileImportDialog
         open={dbRestoreDialogOpen}
         onOpenChange={setDbRestoreDialogOpen}

app/(main)/traffic/page.tsx

@@ -17,13 +17,13 @@ import { cn } from "@/lib/utils"
 import { fmtGB, fmtRate } from "@/lib/fmt-rate"
 import { useDataSource } from "@/lib/data-source"
 import { useTrafficLive } from "@/hooks/use-traffic-live"
+import { useFlowLive } from "@/hooks/use-flow-live"
 import { requestJson } from "@/shared/api/http-client"
-import { getTrafficFlows } from "@/shared/api/traffic-flow"
+import { getFlowAnalytics, getFlowClients, getFlowExporters, getFlowMonthly, getTrafficFlows } from "@/shared/api/traffic-flow"
 import { listServers } from "@/shared/api/servers"
-import { TrafficFlowsDataGrid } from "@/components/data-grids/traffic-flows-data-grid"
 import { FlowOverlaySheet } from "@/components/traffic/flow-overlay-sheet"
-import { DataPageCard } from "@/components/data-page-card"
-import type { FlowStatsDto } from "@mmapp/contracts/traffic-flow"
+import { FlowAnalyticsDetail, FlowEntityCardView } from "@/components/traffic/flow-analytics-panel"
+import type { FlowAnalyticsDto, FlowEntityCard, FlowMonthlyDto, FlowStatsDto } from "@mmapp/contracts/traffic-flow"
 import type { ServerRead } from "@mmapp/contracts/servers"
 import { Badge } from "@/components/reui/badge"
 import {
@@ -63,18 +63,57 @@ function flowIngestLine(stats: FlowStatsDto | null): string | null {
   return `Коллектор: ${listener} · пакеты ${stats.packetsReceived ?? 0} · последний ${last}${exporter}${err}`
 }
 
-function flowEmptyHint(stats: FlowStatsDto | null): string | undefined {
+function flowEmptyHint(stats: FlowStatsDto | null, collectorAlive?: boolean): string | undefined {
   if (!stats) return undefined
   if (stats.lastError) return stats.lastError
   if (stats.packetsReceived) {
-    return `IPFIX приходит (${stats.lastExporterIp ?? "экспортёр"}), но разговоры ещё не записаны.`
+    return `IPFIX приходит (${stats.lastExporterIp ?? "экспортёр"}), но сессии ещё не записаны.`
   }
-  if (stats.listenerBound === false) {
+  if (stats.listenerBound === false && !collectorAlive) {
     return "Коллектор UDP не слушает. Подключите JH ещё раз — ingest включится автоматически."
   }
+  if (stats.listenerBound || collectorAlive) {
+    return "Коллектор жив, IPFIX ещё не доходит. На jump-host у target Src должен быть 0.0.0.0 (авто)."
+  }
   return "IPFIX ещё не доходит до коллектора. На jump-host у target Src должен быть 0.0.0.0 (авто). На хосте MM проверьте bind 10.255.254.1:4739 после wg-flow."
 }
 
+function monthlyToAnalytics(m: FlowMonthlyDto): FlowAnalyticsDto {
+  const emptySeries = Array(60).fill(0) as number[]
+  return {
+    bpsNow: 0,
+    bytes: m.bytes,
+    packets: 0,
+    conversations: 0,
+    conversationsRaw: 0,
+    uniqueSrc: 0,
+    uniqueDst: 0,
+    topProto: "—",
+    topCategory: "—",
+    rxSeries: emptySeries,
+    txSeries: emptySeries,
+    applications: [],
+    protocols: [],
+    sources: [],
+    destinations: [],
+    interfaces: [],
+    asns: m.asns,
+    countries: m.countries,
+    categories: [],
+    services: m.services,
+    mapEdges: [],
+    conversationsList: [],
+    paths: [],
+    ifaces: [],
+    live: false,
+    degraded: false,
+    bytesPayload: m.bytes,
+    bytesOverlay: 0,
+    bytesMesh: 0,
+    bytesWire: 0,
+  }
+}
+
 // ─── data model ───────────────────────────────────────────────────────────────
 
 interface BoundIfaceTraffic {
@@ -298,9 +337,9 @@ const userTraffic: UserTraffic[] = INIT_USERS.map((u) =>
 
 /** Ключи совпадают с `rangeToMinutes` в API (`/api/traffic/...`). */
 const TRAFFIC_RANGE_KEYS = ["5m", "15m", "1h", "4h", "24h"] as const
-type Range = (typeof TRAFFIC_RANGE_KEYS)[number]
+type Range = (typeof TRAFFIC_RANGE_KEYS)[number] | "30d"
 
-const TRAFFIC_RANGE_LABELS: Record<Range, string> = {
+const TRAFFIC_RANGE_LABELS: Record<(typeof TRAFFIC_RANGE_KEYS)[number], string> = {
   "5m": "5м",
   "15m": "15м",
   "1h": "1ч",
@@ -309,6 +348,7 @@ const TRAFFIC_RANGE_LABELS: Record<Range, string> = {
 }
 
 type GroupMode = "servers" | "users" | "ifaces" | "flows"
+type FlowScope = "servers" | "users"
 type SortField = "rx" | "tx" | "name" | "sessions"
 type SortDir   = "asc" | "desc"
 
@@ -740,7 +780,7 @@ const SORT_FIELDS: Array<{ field: SortField; label: string; modesOnly?: GroupMod
   { field: "rx",       label: "RX" },
   { field: "tx",       label: "TX" },
   { field: "name",     label: "Имя" },
-  { field: "sessions", label: "Сессий", modesOnly: ["servers", "users"] },
+  { field: "sessions", label: "Сессий", modesOnly: ["servers", "users", "flows"] },
 ]
 
 export default function TrafficPage() {
@@ -765,6 +805,14 @@ export default function TrafficPage() {
   const [liveUsers, setLiveUsers] = useState<UserTraffic[]>([])
   const [liveBoundIfaces, setLiveBoundIfaces] = useState<BoundIfaceTraffic[]>([])
   const [flowStats, setFlowStats] = useState<FlowStatsDto | null>(null)
+  const [flowScope, setFlowScope] = useState<FlowScope>("servers")
+  const [flowExporters, setFlowExporters] = useState<FlowEntityCard[]>([])
+  const [flowClients, setFlowClients] = useState<FlowEntityCard[]>([])
+  const [flowAnalytics, setFlowAnalytics] = useState<FlowAnalyticsDto | null>(null)
+  const [flowIface, setFlowIface] = useState("__all__")
+  const [flowDedup, setFlowDedup] = useState(true)
+  const [flowExcludeMesh, setFlowExcludeMesh] = useState(true)
+  const [flowExcludeOverlay, setFlowExcludeOverlay] = useState(true)
   const [overlayOpen, setOverlayOpen] = useState(false)
   const [catalogServers, setCatalogServers] = useState<ServerRead[]>([])
   const effectiveMode: GroupMode = groupMode
@@ -774,6 +822,18 @@ export default function TrafficPage() {
     serverId: selectedId,
     iface: selectedIface,
   })
+  const flowLiveEnabled = isLive && effectiveMode === "flows" && Boolean(selectedId) && range === "5m"
+  const { sample: flowLiveSample, error: flowLiveError } = useFlowLive({
+    enabled: flowLiveEnabled,
+    backendUrl,
+    range,
+    serverId: flowScope === "servers" ? selectedId : undefined,
+    userId: flowScope === "users" ? selectedId : undefined,
+    iface: flowIface,
+    dedup: flowDedup,
+    excludeMesh: flowExcludeMesh,
+    excludeOverlay: flowExcludeOverlay,
+  })
 
   const toLiveServer = (s: LiveTrafficServer): ServerTraffic => {
     return {
@@ -818,7 +878,7 @@ export default function TrafficPage() {
     setLiveBusy(true)
     setLiveError(null)
     try {
-      const q = encodeURIComponent(targetRange)
+      const q = encodeURIComponent(targetRange === "30d" ? "24h" : targetRange)
       const [srvRes, usersRes, ifacesRes] = await Promise.all([
         apiFetch<{ servers: LiveTrafficServer[] }>(`/api/traffic/servers?range=${q}`),
         apiFetch<{ users: UserTraffic[] }>(`/api/traffic/users?range=${q}`),
@@ -862,20 +922,63 @@ export default function TrafficPage() {
     setLiveBusy(true)
     setLiveError(null)
     try {
-      const stats = await getTrafficFlows(backendUrl, range)
+      const [stats, exporters, clients] = await Promise.all([
+        getTrafficFlows(backendUrl, range),
+        getFlowExporters(backendUrl, range),
+        getFlowClients(backendUrl, range),
+      ])
       setFlowStats(stats)
+      setFlowExporters(exporters.exporters)
+      setFlowClients(clients.clients)
+      setSelectedId((prev) => {
+        const list = flowScope === "users" ? clients.clients : exporters.exporters
+        if (list.some((x) => x.id === prev)) return prev
+        return list[0]?.id ?? ""
+      })
     } catch (e) {
       setLiveError(e instanceof Error ? e.message : "Не удалось загрузить потоки")
     } finally {
       setLiveBusy(false)
     }
-  }, [isLive, backendUrl, range])
+  }, [isLive, backendUrl, range, flowScope])
 
   useEffect(() => {
     if (!isLive || effectiveMode !== "flows") return
     void loadFlows()
   }, [isLive, effectiveMode, loadFlows])
 
+  useEffect(() => {
+    if (!isLive || effectiveMode !== "flows" || !selectedId) {
+      setFlowAnalytics(null)
+      return
+    }
+    if (range === "5m") {
+      setFlowAnalytics(null)
+      return
+    }
+    if (range === "30d") {
+      const month = new Date().toISOString().slice(0, 7)
+      void getFlowMonthly(backendUrl, {
+        month,
+        serverId: flowScope === "servers" ? selectedId : undefined,
+      }).then((m) => setFlowAnalytics(monthlyToAnalytics(m))).catch(() => setFlowAnalytics(null))
+      return
+    }
+    void getFlowAnalytics(backendUrl, {
+      range,
+      serverId: flowScope === "servers" ? selectedId : undefined,
+      userId: flowScope === "users" ? selectedId : undefined,
+      iface: flowIface,
+      dedup: flowDedup,
+      excludeMesh: flowExcludeMesh,
+      excludeOverlay: flowExcludeOverlay,
+    }).then(setFlowAnalytics).catch(() => setFlowAnalytics(null))
+  }, [isLive, effectiveMode, selectedId, range, flowScope, flowIface, flowDedup, flowExcludeMesh, flowExcludeOverlay, backendUrl])
+
+  useEffect(() => {
+    setFlowIface("__all__")
+  }, [selectedId, flowScope])
+
   useEffect(() => {
     if (!isLive) return
     void listServers(backendUrl).then(setCatalogServers).catch(() => setCatalogServers([]))
@@ -921,9 +1024,21 @@ export default function TrafficPage() {
 
   const handleModeChange = (next: GroupMode) => {
     setGroupMode(next)
-    if (next === "servers") setSelectedId(activeServerTraffic[0]?.id ?? "srv1")
-    else if (next === "users") setSelectedId((isLive ? liveUsers : userTraffic)[0]?.id ?? "u1")
-    else if (next === "ifaces") setSelectedId((isLive ? liveBoundIfaces : boundIfaces)[0]?.id ?? "")
+    if (next === "servers") {
+      setSelectedId(activeServerTraffic[0]?.id ?? "srv1")
+      if (range === "30d") setRange("1h")
+    } else if (next === "users") {
+      setSelectedId((isLive ? liveUsers : userTraffic)[0]?.id ?? "u1")
+      if (range === "30d") setRange("1h")
+    } else if (next === "ifaces") {
+      setSelectedId((isLive ? liveBoundIfaces : boundIfaces)[0]?.id ?? "")
+      if (range === "30d") setRange("1h")
+    } else if (next === "flows") {
+      setFlowScope("servers")
+      setFlowIface("__all__")
+      setRange("5m")
+      setSelectedId(flowExporters[0]?.id ?? "")
+    }
     setSortField("rx")
     setSortDir("desc")
     setSearch("")
@@ -978,6 +1093,22 @@ export default function TrafficPage() {
       })
   }, [sortField, sortDir, q, activeBoundIfaces])
 
+  const flowCards = flowScope === "users" ? flowClients : flowExporters
+  const sortedFlowCards = useMemo(() => {
+    return [...flowCards]
+      .filter((c) => !q || c.name.toLowerCase().includes(q) || c.subtitle.toLowerCase().includes(q) || c.site.toLowerCase().includes(q))
+      .sort((a, b) => {
+        let v = 0
+        if (sortField === "rx") v = a.rxNow - b.rxNow
+        else if (sortField === "tx") v = a.txNow - b.txNow
+        else if (sortField === "name") v = a.name.localeCompare(b.name)
+        else if (sortField === "sessions") v = a.sessions - b.sessions
+        return sortDir === "desc" ? -v : v
+      })
+  }, [flowCards, q, sortField, sortDir])
+  const selFlowCard = sortedFlowCards.find((c) => c.id === selectedId) ?? sortedFlowCards[0] ?? null
+  const displayedFlow = flowLiveSample ?? flowAnalytics
+
   const selServer = useMemo(() => activeServerTraffic.find(s => s.id === selectedId) ?? activeServerTraffic[0], [selectedId, activeServerTraffic])
   const detailServer = liveDetailServer?.id === selectedId ? liveDetailServer : selServer
   const selUser   = useMemo(() => activeUserTraffic.find(u => u.id === selectedId)   ?? activeUserTraffic[0],   [selectedId, activeUserTraffic])
@@ -995,33 +1126,38 @@ export default function TrafficPage() {
 
   const visibleSortFields = SORT_FIELDS.filter(s => !s.modesOnly || s.modesOnly.includes(effectiveMode))
   const ingestLine = flowIngestLine(flowStats)
+  const collectorAlive = Boolean(flowStats?.listenerBound || flowStats?.packetsReceived)
+  const flowError = liveError
+    || (flowLiveError && !(collectorAlive && /live HTTP 500/.test(flowLiveError)) ? flowLiveError : null)
+    || (displayedFlow?.degraded ? "Коллектор перегружен: упрощённая аналитика" : null)
 
   const flowKpiItems = [
     {
       id: "exporters",
       label: "Экспортёры",
-      value: String(flowStats?.exportersOnline ?? 0),
+      value: String(flowExporters.length),
       icon: <ServerIcon className="size-4" />,
       iconClassName: "text-info",
     },
     {
-      id: "bytes",
-      label: "Байт/мин",
-      value: flowStats ? fmtRate((flowStats.bytesPerMin * 8) / 1_000_000) : "—",
+      id: "bps",
+      label: "Скорость",
+      value: displayedFlow ? fmtRate(displayedFlow.bpsNow / 1_000_000) : (flowStats ? fmtRate((flowStats.bytesPerMin * 8) / 1_000_000) : "—"),
+      hint: displayedFlow?.live ? "live" : undefined,
       icon: <ActivityIcon className="size-4" />,
       iconClassName: "text-success",
     },
     {
       id: "src",
       label: "Уник. src",
-      value: String(flowStats?.uniqueSrc ?? 0),
+      value: String(displayedFlow?.uniqueSrc ?? flowStats?.uniqueSrc ?? 0),
       icon: <ArrowUpIcon className="size-4" />,
       iconClassName: "text-muted-foreground",
     },
     {
       id: "proto",
       label: "Топ протокол",
-      value: flowStats?.topProto ?? "—",
+      value: displayedFlow?.topProto ?? flowStats?.topProto ?? "—",
       icon: <GitBranchIcon className="size-4" />,
       iconClassName: "text-warning",
     },
@@ -1107,51 +1243,112 @@ export default function TrafficPage() {
           {effectiveMode === "flows" ? (
             <div className="flex flex-col gap-3">
               <div className="flex items-center justify-between gap-2 flex-wrap">
-                <div className="flex flex-col gap-1 min-w-0">
-                  <p className="text-sm text-muted-foreground">
-                    IPFIX top-разговоры. Счётчики интерфейсов — в режимах Серверы / Клиенты / Интерфейсы.
-                  </p>
-                  {ingestLine ? (
-                    <p className="text-xs text-muted-foreground font-mono truncate">
-                      {ingestLine}
-                    </p>
-                  ) : null}
+                <p className="text-xs text-muted-foreground font-mono truncate min-w-0">
+                  {ingestLine ?? "IPFIX коллектор"}
+                </p>
+                <Button size="sm" onClick={() => setOverlayOpen(true)} disabled={!isLive}>
+                  <PlusIcon className="size-4" />
+                  Подключить JH
+                </Button>
+              </div>
+              {flowError && (
+                <div className="text-xs text-destructive bg-destructive/10 border border-destructive/20 rounded-md px-3 py-2">
+                  {flowError}
                 </div>
-                <div className="flex items-center gap-2 flex-wrap">
+              )}
+              <div className="grid grid-cols-[300px_1fr] gap-5 items-start">
+                <div className="flex flex-col gap-3">
                   <div className="flex gap-1">
-                    {TRAFFIC_RANGE_KEYS.map((key) => (
+                    <button
+                      type="button"
+                      onClick={() => { setFlowScope("servers"); setFlowIface("__all__") }}
+                      className={cn(
+                        "text-[10px] px-2 py-0.5 rounded border transition-colors",
+                        flowScope === "servers"
+                          ? "border-primary bg-primary/10 text-primary font-medium"
+                          : "border-border text-muted-foreground hover:text-foreground",
+                      )}
+                    >
+                      Серверы
+                    </button>
+                    <button
+                      type="button"
+                      onClick={() => { setFlowScope("users"); setFlowIface("__all__") }}
+                      className={cn(
+                        "text-[10px] px-2 py-0.5 rounded border transition-colors",
+                        flowScope === "users"
+                          ? "border-primary bg-primary/10 text-primary font-medium"
+                          : "border-border text-muted-foreground hover:text-foreground",
+                      )}
+                    >
+                      Клиенты
+                    </button>
+                  </div>
+                  <div className="relative">
+                    <SearchIcon className="absolute left-2.5 top-1/2 -translate-y-1/2 size-3.5 text-muted-foreground pointer-events-none" />
+                    <input
+                      type="text"
+                      value={search}
+                      onChange={(e) => setSearch(e.target.value)}
+                      placeholder="Поиск…"
+                      className="w-full pl-8 pr-3 h-8 text-xs bg-muted/50 border border-border rounded-md outline-none focus:border-primary transition-colors"
+                    />
+                  </div>
+                  <div className="flex gap-1 flex-wrap">
+                    <span className="text-[10px] text-muted-foreground self-center mr-0.5">Сортировка:</span>
+                    {visibleSortFields.map(({ field, label }) => (
                       <button
-                        key={key}
+                        key={field}
                         type="button"
-                        onClick={() => setRange(key)}
+                        onClick={() => toggleSort(field)}
                         className={cn(
                           "text-[10px] px-2 py-0.5 rounded border transition-colors",
-                          range === key
+                          sortField === field
                             ? "border-primary bg-primary/10 text-primary font-medium"
                             : "border-border text-muted-foreground hover:text-foreground",
                         )}
                       >
-                        {TRAFFIC_RANGE_LABELS[key]}
+                        {label}{sortField === field ? (sortDir === "desc" ? " ↓" : " ↑") : ""}
                       </button>
                     ))}
                   </div>
-                  <Button size="sm" onClick={() => setOverlayOpen(true)} disabled={!isLive}>
-                    <PlusIcon className="size-4" />
-                    Подключить JH
-                  </Button>
+                  <div className="flex flex-col gap-2">
+                    {sortedFlowCards.map((card) => (
+                      <FlowEntityCardView
+                        key={card.id}
+                        card={card}
+                        selected={card.id === (selFlowCard?.id ?? selectedId)}
+                        onClick={() => setSelectedId(card.id)}
+                      />
+                    ))}
+                    {sortedFlowCards.length === 0 ? (
+                      <p className="text-xs text-muted-foreground">
+                        {flowEmptyHint(flowStats, collectorAlive) ?? "Нет экспортёров IPFIX. Подключите jump-host."}
+                      </p>
+                    ) : null}
+                  </div>
                 </div>
+                <Frame dense className="w-full flex flex-col">
+                  <FramePanel className="flex-1 px-5 pb-5 pt-5">
+                    <FlowAnalyticsDetail
+                      card={selFlowCard}
+                      analytics={displayedFlow}
+                      range={range}
+                      onRange={(r) => setRange(r as Range)}
+                      selectedIface={flowIface}
+                      onIface={setFlowIface}
+                      dedup={flowDedup}
+                      onDedup={setFlowDedup}
+                      excludeMesh={flowExcludeMesh}
+                      onExcludeMesh={setFlowExcludeMesh}
+                      excludeOverlay={flowExcludeOverlay}
+                      onExcludeOverlay={setFlowExcludeOverlay}
+                      liveHint={displayedFlow?.live ? "live" : undefined}
+                      emptyHint={flowEmptyHint(flowStats, collectorAlive)}
+                    />
+                  </FramePanel>
+                </Frame>
               </div>
-              {liveError && (
-                <div className="text-xs text-destructive bg-destructive/10 border border-destructive/20 rounded-md px-3 py-2">
-                  {liveError}
-                </div>
-              )}
-              <DataPageCard>
-                <TrafficFlowsDataGrid
-                  rows={flowStats?.talkers ?? []}
-                  emptyHint={flowEmptyHint(flowStats)}
-                />
-              </DataPageCard>
               <FlowOverlaySheet
                 open={overlayOpen}
                 onOpenChange={setOverlayOpen}

backend/package.json

@@ -14,7 +14,7 @@
     "test:auth": "tsx src/lib/permissions.test.ts && tsx src/plugins/auth.smoke.test.ts",
     "test:wireguard": "npx tsx src/services/wireguard-config.test.ts",
     "test:traffic-rate": "tsx src/services/traffic-rate.test.ts",
-    "test:traffic-flow": "tsx src/services/traffic-flow-parse.test.ts && tsx src/services/traffic-flow-map-exporter.test.ts",
+    "test:traffic-flow": "tsx src/services/traffic-flow-parse.test.ts && tsx src/services/traffic-flow-map-exporter.test.ts && tsx src/services/traffic-flow-ifaces.test.ts && tsx src/services/traffic-flow-dedup.test.ts && tsx src/services/traffic-flow-planes.test.ts && tsx src/services/traffic-flow-ip.test.ts && tsx src/services/traffic-flow-classify.test.ts && tsx src/services/traffic-flow-ripe.test.ts && tsx src/services/traffic-flow-brands.test.ts && tsx src/services/traffic-flow-ingest.test.ts && tsx src/services/traffic-flow-analytics.test.ts && tsx src/services/traffic-flow-map-hops.test.ts && tsx src/services/traffic-flow-hardening.test.ts && tsx src/services/traffic-flow-purge.test.ts && tsx src/services/sqlite-write-opt.test.ts",
     "test:users": "tsx src/modules/users/iface-type.test.ts && tsx src/modules/users/bindings.test.ts"
   },
   "dependencies": {

backend/src/db/index.ts

@@ -7,11 +7,90 @@ import { drizzle } from "drizzle-orm/better-sqlite3"
 import { env } from "../config.js"
 import * as schema from "./schema.js"
 
-const sqlite = new Database(env.DATABASE_PATH)
+export const SQLITE_BUSY_TIMEOUT_MS = 5000
+/** ~16 MiB page cache (negative = KiB). */
+export const SQLITE_CACHE_SIZE_KIB = 16_000
+export const SQLITE_WAL_AUTOCHECKPOINT_PAGES = 1000
+
+export interface SqliteWriteStats {
+  insert: number
+  update: number
+  delete: number
+  walCheckpoint: number
+}
+
+let writeTrace: SqliteWriteStats | null = null
+
+function classifyWriteSql(sql: string): keyof Omit<SqliteWriteStats, "walCheckpoint"> | null {
+  const head = sql.trimStart().slice(0, 12).toUpperCase()
+  if (head.startsWith("INSERT")) return "insert"
+  if (head.startsWith("UPDATE")) return "update"
+  if (head.startsWith("DELETE")) return "delete"
+  return null
+}
+
+function installSqliteWriteTrace(handle: SqliteHandle): SqliteHandle {
+  const origPrepare = handle.prepare.bind(handle)
+  handle.prepare = ((sql: string) => {
+    const stmt = origPrepare(sql)
+    const kind = classifyWriteSql(sql)
+    if (!kind) return stmt
+    const origRun = stmt.run.bind(stmt)
+    stmt.run = ((...args: unknown[]) => {
+      if (writeTrace) writeTrace[kind] += 1
+      return origRun(...args)
+    }) as typeof stmt.run
+    return stmt
+  }) as typeof handle.prepare
+
+  const origExec = handle.exec.bind(handle)
+  handle.exec = ((sql: string) => {
+    if (writeTrace) {
+      for (const part of sql.split(";")) {
+        const kind = classifyWriteSql(part)
+        if (kind) writeTrace[kind] += 1
+      }
+    }
+    return origExec(sql)
+  }) as typeof handle.exec
+
+  const origPragma = handle.pragma.bind(handle)
+  handle.pragma = ((source: string, options?: { simple?: boolean }) => {
+    if (writeTrace && /wal_checkpoint/i.test(source)) writeTrace.walCheckpoint += 1
+    return origPragma(source, options as never)
+  }) as typeof handle.pragma
+
+  return handle
+}
+
+export function countSqliteWrites<T>(fn: () => T): { result: T; stats: SqliteWriteStats } {
+  const stats: SqliteWriteStats = { insert: 0, update: 0, delete: 0, walCheckpoint: 0 }
+  writeTrace = stats
+  try {
+    return { result: fn(), stats }
+  } finally {
+    writeTrace = null
+  }
+}
+
+export function applySqlitePragmas(handle: SqliteHandle): void {
+  handle.pragma("journal_mode = WAL")
+  handle.pragma("foreign_keys = ON")
+  handle.pragma(`busy_timeout = ${SQLITE_BUSY_TIMEOUT_MS}`)
+  handle.pragma("synchronous = NORMAL")
+  handle.pragma(`wal_autocheckpoint = ${SQLITE_WAL_AUTOCHECKPOINT_PAGES}`)
+  handle.pragma("temp_store = MEMORY")
+  handle.pragma(`cache_size = -${SQLITE_CACHE_SIZE_KIB}`)
+}
+
+function openSqlite(): SqliteHandle {
+  const handle = new Database(env.DATABASE_PATH)
+  applySqlitePragmas(handle)
+  return installSqliteWriteTrace(handle)
+}
+
+let sqlite = openSqlite()
 
-// WAL mode for better concurrent read performance
-sqlite.pragma("journal_mode = WAL")
-sqlite.pragma("foreign_keys = ON")
 sqlite.exec(`
 CREATE TABLE IF NOT EXISTS servers (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -134,6 +213,7 @@ CREATE TABLE IF NOT EXISTS traffic_flow_settings (
   hub_server_id INTEGER,
   retention_hours INTEGER NOT NULL DEFAULT 24,
   top_n INTEGER NOT NULL DEFAULT 200,
+  map_service_min_share_pct REAL NOT NULL DEFAULT 5,
   last_datagram_at TEXT,
   last_exporter_ip TEXT,
   last_error TEXT,
@@ -155,13 +235,66 @@ CREATE TABLE IF NOT EXISTS flow_buckets (
   bytes INTEGER NOT NULL DEFAULT 0,
   packets INTEGER NOT NULL DEFAULT 0,
   in_iface TEXT NOT NULL DEFAULT '',
+  out_iface TEXT NOT NULL DEFAULT '',
+  next_hop TEXT NOT NULL DEFAULT '',
+  flow_start_ms INTEGER NOT NULL DEFAULT 0,
+  flow_end_ms INTEGER NOT NULL DEFAULT 0,
   FOREIGN KEY (server_id) REFERENCES servers(id) ON DELETE CASCADE
 );
 CREATE UNIQUE INDEX IF NOT EXISTS idx_flow_buckets_unique
-  ON flow_buckets(server_id, bucket_at, src, dst, proto, src_port, dst_port);
+  ON flow_buckets(server_id, bucket_at, src, dst, proto, src_port, dst_port, in_iface);
 CREATE INDEX IF NOT EXISTS idx_flow_buckets_server_time
   ON flow_buckets(server_id, bucket_at);
 
+CREATE TABLE IF NOT EXISTS flow_minute_stats (
+  server_id INTEGER NOT NULL,
+  bucket_at TEXT NOT NULL,
+  bytes INTEGER NOT NULL DEFAULT 0,
+  packets INTEGER NOT NULL DEFAULT 0,
+  unique_src INTEGER NOT NULL DEFAULT 0,
+  unique_dst INTEGER NOT NULL DEFAULT 0,
+  conversations INTEGER NOT NULL DEFAULT 0,
+  PRIMARY KEY (server_id, bucket_at)
+);
+
+CREATE TABLE IF NOT EXISTS flow_minute_dims (
+  server_id INTEGER NOT NULL,
+  bucket_at TEXT NOT NULL,
+  dim TEXT NOT NULL,
+  key TEXT NOT NULL,
+  bytes INTEGER NOT NULL DEFAULT 0,
+  packets INTEGER NOT NULL DEFAULT 0,
+  PRIMARY KEY (server_id, bucket_at, dim, key)
+);
+CREATE INDEX IF NOT EXISTS idx_flow_minute_dims_time ON flow_minute_dims(bucket_at, dim);
+
+CREATE TABLE IF NOT EXISTS flow_daily_dims (
+  server_id INTEGER NOT NULL,
+  day TEXT NOT NULL,
+  dim TEXT NOT NULL,
+  key TEXT NOT NULL,
+  bytes INTEGER NOT NULL DEFAULT 0,
+  packets INTEGER NOT NULL DEFAULT 0,
+  PRIMARY KEY (server_id, day, dim, key)
+);
+CREATE INDEX IF NOT EXISTS idx_flow_daily_dims_day ON flow_daily_dims(day, dim);
+
+CREATE TABLE IF NOT EXISTS flow_ip_meta (
+  prefix TEXT PRIMARY KEY,
+  asn INTEGER NOT NULL DEFAULT 0,
+  country TEXT NOT NULL DEFAULT '',
+  lat REAL,
+  lng REAL,
+  holder TEXT NOT NULL DEFAULT '',
+  ok INTEGER NOT NULL DEFAULT 1,
+  fetched_at TEXT NOT NULL
+);
+CREATE TABLE IF NOT EXISTS flow_asn_meta (
+  asn INTEGER PRIMARY KEY,
+  holder TEXT NOT NULL DEFAULT '',
+  fetched_at TEXT NOT NULL
+);
+
 CREATE TABLE IF NOT EXISTS uptime_settings (
   id INTEGER PRIMARY KEY,
   enabled INTEGER NOT NULL DEFAULT 1,
@@ -769,6 +902,13 @@ SELECT 1, 0, '10.255.254.1', 4739, 51821, '10.255.254.0/24'
 WHERE NOT EXISTS (SELECT 1 FROM traffic_flow_settings WHERE id = 1);
 `)
 
+{
+  const flowSettingsCols = sqlite.prepare(`PRAGMA table_info('traffic_flow_settings')`).all() as Array<{ name?: string }>
+  if (!flowSettingsCols.some((c) => c.name === "map_service_min_share_pct")) {
+    sqlite.exec(`ALTER TABLE traffic_flow_settings ADD COLUMN map_service_min_share_pct REAL NOT NULL DEFAULT 5`)
+  }
+}
+
 sqlite.exec(`
 INSERT INTO uptime_settings (id, enabled, interval_sec, retention_days)
 SELECT 1, 1, 15, 14
@@ -805,6 +945,38 @@ SELECT 1, 'https://acme-v02.api.letsencrypt.org/directory', '', '', ''
 WHERE NOT EXISTS (SELECT 1 FROM acme_settings WHERE id = 1);
 `)
 
+{
+  const flowIndexes = sqlite.prepare(`PRAGMA index_list('flow_buckets')`).all() as Array<{
+    name?: string
+    unique?: number
+  }>
+  let hasIfaceUnique = false
+  for (const idx of flowIndexes) {
+    if (!idx.name || !idx.unique) continue
+    const info = sqlite.prepare(`PRAGMA index_info(${JSON.stringify(idx.name)})`).all() as Array<{ name?: string }>
+    const names = info.map((c) => c.name)
+    if (names.includes("in_iface") && names.includes("src") && names.includes("dst")) {
+      hasIfaceUnique = true
+    }
+  }
+  if (!hasIfaceUnique) {
+    sqlite.exec(`DROP INDEX IF EXISTS idx_flow_buckets_unique`)
+    sqlite.exec(`
+      CREATE UNIQUE INDEX IF NOT EXISTS idx_flow_buckets_unique
+        ON flow_buckets(server_id, bucket_at, src, dst, proto, src_port, dst_port, in_iface)
+    `)
+  }
+}
+
+{
+  const flowCols = sqlite.prepare(`PRAGMA table_info('flow_buckets')`).all() as Array<{ name?: string }>
+  const names = new Set(flowCols.map((c) => c.name))
+  if (!names.has("out_iface")) sqlite.exec(`ALTER TABLE flow_buckets ADD COLUMN out_iface TEXT NOT NULL DEFAULT ''`)
+  if (!names.has("next_hop")) sqlite.exec(`ALTER TABLE flow_buckets ADD COLUMN next_hop TEXT NOT NULL DEFAULT ''`)
+  if (!names.has("flow_start_ms")) sqlite.exec(`ALTER TABLE flow_buckets ADD COLUMN flow_start_ms INTEGER NOT NULL DEFAULT 0`)
+  if (!names.has("flow_end_ms")) sqlite.exec(`ALTER TABLE flow_buckets ADD COLUMN flow_end_ms INTEGER NOT NULL DEFAULT 0`)
+}
+
 const certIssueJobCols = sqlite.prepare(`PRAGMA table_info('certificate_issue_jobs')`).all() as Array<{ name?: string }>
 if (!certIssueJobCols.some((c) => c.name === "source")) {
   sqlite.exec(`ALTER TABLE certificate_issue_jobs ADD COLUMN source TEXT NOT NULL DEFAULT 'manual'`)
@@ -863,7 +1035,31 @@ if (backupEntryCount.c === 0) {
   }
 }
 
-export const db = drizzle(sqlite, { schema })
+export let db = drizzle(sqlite, { schema })
 
 /** Прямой доступ к better-sqlite3 для сложных read-only запросов (напр. /api/alerts). */
-export const sqliteDatabase: SqliteHandle = sqlite
+export let sqliteDatabase: SqliteHandle = sqlite
+
+let sqliteExclusiveOp = false
+
+export function beginSqliteExclusiveOp(): void {
+  if (sqliteExclusiveOp) {
+    throw new Error("Операция с базой данных уже выполняется")
+  }
+  sqliteExclusiveOp = true
+}
+
+export function endSqliteExclusiveOp(): void {
+  sqliteExclusiveOp = false
+}
+
+export function reopenSqlite(): void {
+  try {
+    sqlite.close()
+  } catch {
+    /* already closed */
+  }
+  sqlite = openSqlite()
+  sqliteDatabase = sqlite
+  db = drizzle(sqlite, { schema })
+}

backend/src/db/schema.ts

@@ -173,6 +173,7 @@ export const trafficFlowSettings = sqliteTable("traffic_flow_settings", {
   hubServerId:     integer("hub_server_id"),
   retentionHours:  integer("retention_hours").notNull().default(24),
   topN:            integer("top_n").notNull().default(200),
+  mapServiceMinSharePct: real("map_service_min_share_pct").notNull().default(5),
   lastDatagramAt:  text("last_datagram_at"),
   lastExporterIp:  text("last_exporter_ip"),
   lastError:       text("last_error"),
@@ -182,6 +183,40 @@ export const trafficFlowSettings = sqliteTable("traffic_flow_settings", {
   updatedAt:       text("updated_at").notNull().default(sql`(datetime('now'))`),
 })
 
+export const flowMinuteStats = sqliteTable("flow_minute_stats", {
+  serverId:      integer("server_id").notNull(),
+  bucketAt:      text("bucket_at").notNull(),
+  bytes:         integer("bytes").notNull().default(0),
+  packets:       integer("packets").notNull().default(0),
+  uniqueSrc:     integer("unique_src").notNull().default(0),
+  uniqueDst:     integer("unique_dst").notNull().default(0),
+  conversations: integer("conversations").notNull().default(0),
+}, (t) => [
+  uniqueIndex("idx_flow_minute_stats_pk").on(t.serverId, t.bucketAt),
+])
+
+export const flowMinuteDims = sqliteTable("flow_minute_dims", {
+  serverId: integer("server_id").notNull(),
+  bucketAt: text("bucket_at").notNull(),
+  dim:      text("dim").notNull(),
+  key:      text("key").notNull(),
+  bytes:    integer("bytes").notNull().default(0),
+  packets:  integer("packets").notNull().default(0),
+}, (t) => [
+  uniqueIndex("idx_flow_minute_dims_pk").on(t.serverId, t.bucketAt, t.dim, t.key),
+])
+
+export const flowDailyDims = sqliteTable("flow_daily_dims", {
+  serverId: integer("server_id").notNull(),
+  day:      text("day").notNull(),
+  dim:      text("dim").notNull(),
+  key:      text("key").notNull(),
+  bytes:    integer("bytes").notNull().default(0),
+  packets:  integer("packets").notNull().default(0),
+}, (t) => [
+  uniqueIndex("idx_flow_daily_dims_pk").on(t.serverId, t.day, t.dim, t.key),
+])
+
 export const flowBuckets = sqliteTable("flow_buckets", {
   id:        integer("id").primaryKey({ autoIncrement: true }),
   serverId:  integer("server_id")
@@ -196,12 +231,33 @@ export const flowBuckets = sqliteTable("flow_buckets", {
   bytes:     integer("bytes").notNull().default(0),
   packets:   integer("packets").notNull().default(0),
   inIface:   text("in_iface").notNull().default(""),
+  outIface:  text("out_iface").notNull().default(""),
+  nextHop:   text("next_hop").notNull().default(""),
+  flowStartMs: integer("flow_start_ms").notNull().default(0),
+  flowEndMs:   integer("flow_end_ms").notNull().default(0),
 }, (t) => [
   uniqueIndex("idx_flow_buckets_unique").on(
-    t.serverId, t.bucketAt, t.src, t.dst, t.proto, t.srcPort, t.dstPort,
+    t.serverId, t.bucketAt, t.src, t.dst, t.proto, t.srcPort, t.dstPort, t.inIface,
   ),
 ])
 
+export const flowIpMeta = sqliteTable("flow_ip_meta", {
+  prefix:    text("prefix").primaryKey(),
+  asn:       integer("asn").notNull().default(0),
+  country:   text("country").notNull().default(""),
+  lat:       real("lat"),
+  lng:       real("lng"),
+  holder:    text("holder").notNull().default(""),
+  ok:        integer("ok").notNull().default(1),
+  fetchedAt: text("fetched_at").notNull(),
+})
+
+export const flowAsnMeta = sqliteTable("flow_asn_meta", {
+  asn:       integer("asn").primaryKey(),
+  holder:    text("holder").notNull().default(""),
+  fetchedAt: text("fetched_at").notNull(),
+})
+
 export const trafficSamples = sqliteTable("traffic_samples", {
   id:            integer("id").primaryKey({ autoIncrement: true }),
   serverId:      integer("server_id")
@@ -641,6 +697,8 @@ export type RecursiveRouteRow = typeof recursiveRoutes.$inferSelect
 export type TrafficSettingsRow = typeof trafficSettings.$inferSelect
 export type TrafficFlowSettingsRow = typeof trafficFlowSettings.$inferSelect
 export type FlowBucketRow = typeof flowBuckets.$inferSelect
+export type FlowIpMetaRow = typeof flowIpMeta.$inferSelect
+export type FlowAsnMetaRow = typeof flowAsnMeta.$inferSelect
 export type ServersApiPingSettingsRow = typeof serversApiPingSettings.$inferSelect
 export type TrafficSampleRow = typeof trafficSamples.$inferSelect
 export type UptimeSettingsRow = typeof uptimeSettings.$inferSelect

backend/src/index.ts

@@ -1,6 +1,7 @@
-import Fastify, { type FastifyInstance } from "fastify"
+import Fastify, { type FastifyError, type FastifyInstance } from "fastify"
 import cors from "@fastify/cors"
 import { serializerCompiler, validatorCompiler } from "@fastify/type-provider-zod"
+import { monitorEventLoopDelay } from "node:perf_hooks"
 import { env } from "./config.js"
 import authPlugin, { requireAuth } from "./plugins/auth.js"
 import serversRoutes from "./routes/servers.js"
@@ -28,7 +29,10 @@ import wireguardRoutes from "./routes/wireguard.js"
 import firewallRoutes from "./routes/firewall.js"
 import usersRoutes from "./routes/users.js"
 import { refreshScheduler, stopScheduler } from "./services/scheduler.js"
-import { startTrafficFlowListener, stopTrafficFlowListener } from "./services/traffic-flow-ingest.js"
+import { getFlowWorkerHealth, startTrafficFlowListener, stopTrafficFlowListener } from "./services/traffic-flow-ingest.js"
+
+const eventLoopDelay = monitorEventLoopDelay({ resolution: 20 })
+eventLoopDelay.enable()
 
 export async function buildApp(opts?: {
   logger?: boolean
@@ -37,7 +41,7 @@ export async function buildApp(opts?: {
   const usePrettyLogger =
     opts?.logger !== false && process.env.NODE_ENV !== "production"
   const app = Fastify({
-    bodyLimit: 512 * 1024 * 1024,
+    bodyLimit: 2 * 1024 * 1024,
     requestTimeout: 10 * 60 * 1000,
     logger:
       opts?.logger === false
@@ -59,6 +63,18 @@ export async function buildApp(opts?: {
   app.setValidatorCompiler(validatorCompiler)
   app.setSerializerCompiler(serializerCompiler)
 
+  app.setErrorHandler((error: FastifyError, request, reply) => {
+    const status = typeof error.statusCode === "number" && error.statusCode >= 400
+      ? error.statusCode
+      : 500
+    if (status >= 500) {
+      request.log.error(error)
+      return reply.status(status).send({ error: "Внутренняя ошибка сервера" })
+    }
+    const message = error instanceof Error ? error.message : "Ошибка запроса"
+    return reply.status(status).send({ error: message })
+  })
+
   await app.register(cors, {
     origin: env.CORS_ORIGIN,
     methods: ["GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"],
@@ -70,6 +86,8 @@ export async function buildApp(opts?: {
     status: "ok",
     timestamp: new Date().toISOString(),
     version: process.env.APP_VERSION ?? "dev",
+    eventLoopDelayMs: Math.round(eventLoopDelay.mean / 1e6),
+    flowWorker: getFlowWorkerHealth(),
   }))
 
   app.get("/api/auth/config", async () => ({
@@ -132,6 +150,29 @@ const isMain =
 if (isMain) {
   try {
     const app = await buildApp()
+    let shuttingDown = false
+    const shutdown = async (code: number) => {
+      if (shuttingDown) return
+      shuttingDown = true
+      try {
+        stopTrafficFlowListener()
+        await app.close()
+      } catch (err) {
+        console.error(err)
+      } finally {
+        process.exit(code)
+      }
+    }
+    process.on("SIGTERM", () => { void shutdown(0) })
+    process.on("SIGINT", () => { void shutdown(0) })
+    process.on("uncaughtException", (err) => {
+      console.error(err)
+      void shutdown(1)
+    })
+    process.on("unhandledRejection", (reason) => {
+      console.error(reason)
+      void shutdown(1)
+    })
     await app.listen({ port: env.PORT, host: "0.0.0.0" })
     console.log(
       `\n🚀 MikroTik Manager Backend running at http://localhost:${env.PORT}`,

backend/src/lib/permissions.test.ts

@@ -21,6 +21,10 @@ assert.equal(
   permissionForRequest("GET", "/api/traffic/servers/1/live"),
   "mm:traffic:read",
 )
+assert.equal(
+  permissionForRequest("POST", "/api/traffic/flow/purge"),
+  "mm:traffic:write",
+)
 assert.equal(
   permissionForRequest("GET", "/api/unknown-thing"),
   "mm:dashboard:read",

backend/src/modules/servers/repository/servers-repository.ts

@@ -1,6 +1,7 @@
 import { desc, eq } from "drizzle-orm"
 import { db } from "../../../db/index.js"
 import { serverSnapshots, servers } from "../../../db/schema.js"
+import { invalidateFlowCatalogCache } from "../../../services/traffic-flow-topology.js"
 
 export type ServerRow = typeof servers.$inferSelect
 export type SnapshotRow = typeof serverSnapshots.$inferSelect
@@ -17,6 +18,7 @@ export function createServerRow(
   values: Omit<typeof servers.$inferInsert, "id">,
 ): ServerRow {
   const [inserted] = db.insert(servers).values(values).returning().all()
+  invalidateFlowCatalogCache()
   return inserted
 }
 
@@ -25,11 +27,13 @@ export function updateServerRowById(
   values: Partial<ServerRow>,
 ): ServerRow {
   const [updated] = db.update(servers).set(values).where(eq(servers.id, id)).returning().all()
+  invalidateFlowCatalogCache()
   return updated
 }
 
 export function deleteServerRowById(id: number): void {
   db.delete(servers).where(eq(servers.id, id)).run()
+  invalidateFlowCatalogCache()
 }
 
 export function listSnapshotsByServerId(serverId: number, limit: number): SnapshotRow[] {

backend/src/modules/users/repository/users-repository.ts

@@ -1,6 +1,7 @@
-import { and, eq } from "drizzle-orm"
+import { and, count, eq } from "drizzle-orm"
 import { db } from "../../../db/index.js"
 import { appUsers, userInterfaceBindings } from "../../../db/schema.js"
+import { invalidateFlowCatalogCache } from "../../../services/traffic-flow-topology.js"
 
 export type AppUserRow = typeof appUsers.$inferSelect
 export type BindingRow = typeof userInterfaceBindings.$inferSelect
@@ -19,6 +20,7 @@ export function getUserRowByLogin(login: string): AppUserRow | undefined {
 
 export function createUserRow(values: typeof appUsers.$inferInsert): AppUserRow {
   const [inserted] = db.insert(appUsers).values(values).returning().all()
+  invalidateFlowCatalogCache()
   return inserted
 }
 
@@ -27,11 +29,13 @@ export function updateUserRowById(
   values: Partial<AppUserRow>,
 ): AppUserRow {
   const [updated] = db.update(appUsers).set(values).where(eq(appUsers.id, id)).returning().all()
+  invalidateFlowCatalogCache()
   return updated
 }
 
 export function deleteUserRowById(id: string): void {
   db.delete(appUsers).where(eq(appUsers.id, id)).run()
+  invalidateFlowCatalogCache()
 }
 
 export function listBindingRows(): BindingRow[] {
@@ -65,13 +69,15 @@ export function getBindingByServerIfacePeer(
 
 export function createBindingRow(values: typeof userInterfaceBindings.$inferInsert): BindingRow {
   const [inserted] = db.insert(userInterfaceBindings).values(values).returning().all()
+  invalidateFlowCatalogCache()
   return inserted
 }
 
 export function deleteBindingRowById(id: string): void {
   db.delete(userInterfaceBindings).where(eq(userInterfaceBindings.id, id)).run()
+  invalidateFlowCatalogCache()
 }
 
 export function countUserRows(): number {
-  return db.select().from(appUsers).all().length
+  return db.select({ n: count() }).from(appUsers).all()[0]?.n ?? 0
 }

backend/src/routes/sidebar-counts.ts

@@ -1,4 +1,5 @@
 import type { FastifyPluginAsyncZod } from "@fastify/type-provider-zod"
+import { count } from "drizzle-orm"
 import { listCertificatesFromServers } from "../services/certificates-service.js"
 import { countWireGuardInterfaces } from "../services/wireguard-live.js"
 import { db } from "../db/index.js"
@@ -11,27 +12,22 @@ import {
 } from "../db/schema.js"
 import { listUsers } from "../modules/users/service/users-service.js"
 
+function tableCount(table: typeof servers | typeof filterRules | typeof uptimeProbes | typeof uptimeSpeedProbes | typeof recursiveRoutes): number {
+  return db.select({ n: count() }).from(table).all()[0]?.n ?? 0
+}
+
 const sidebarCountsRoutes: FastifyPluginAsyncZod = async (app) => {
   app.get("/sidebar-counts", async (_req, reply) => {
-    const [
-      serversTotal,
-      filterRulesTotal,
-      uptimeProbesTotal,
-      uptimeSpeedProbesTotal,
-      recursiveRoutesTotal,
-      certificatesTotal,
-      wireguardTotal,
-      usersTotal,
-    ] = await Promise.all([
-      Promise.resolve(db.select().from(servers).all().length),
-      Promise.resolve(db.select().from(filterRules).all().length),
-      Promise.resolve(db.select().from(uptimeProbes).all().length),
-      Promise.resolve(db.select().from(uptimeSpeedProbes).all().length),
-      Promise.resolve(db.select().from(recursiveRoutes).all().length),
+    const serversTotal = tableCount(servers)
+    const filterRulesTotal = tableCount(filterRules)
+    const uptimeProbesTotal = tableCount(uptimeProbes)
+    const uptimeSpeedProbesTotal = tableCount(uptimeSpeedProbes)
+    const recursiveRoutesTotal = tableCount(recursiveRoutes)
+    const [certificatesTotal, wireguardTotal] = await Promise.all([
       listCertificatesFromServers().then((res) => res.certificates.length),
       countWireGuardInterfaces().catch(() => 0),
-      Promise.resolve(listUsers().length),
     ])
+    const usersTotal = listUsers().length
 
     return reply.send({
       servers: serversTotal,

backend/src/routes/traffic-flow.ts

@@ -1,5 +1,6 @@
 import type { FastifyPluginAsyncZod } from "@fastify/type-provider-zod"
 import type { FastifyReply, FastifyRequest } from "fastify"
+import { env } from "../config.js"
 import {
   trafficFlowOverlayRequestSchema,
   trafficFlowSettingsPatchSchema,
@@ -12,11 +13,39 @@ import {
 } from "../services/traffic-flow-settings.js"
 import {
   getFlowListenerState,
-  listFlowTalkers,
+  purgeTrafficFlowStore,
   startTrafficFlowListener,
+  listFlowTalkers,
 } from "../services/traffic-flow-ingest.js"
+import {
+  buildFlowAnalytics,
+  getFlowMonthly,
+  listFlowClients,
+  listFlowExporters,
+  safeBuildLiveFlowSample,
+} from "../services/traffic-flow-analytics.js"
+import { buildFlowMapHops } from "../services/traffic-flow-map-hops.js"
 import { applyFlowOverlay } from "../services/traffic-flow-overlay.js"
 import { listTrafficFlowHostFiles } from "../services/traffic-flow-host-files.js"
+import { appendEvent } from "../modules/events/service/events-service.js"
+
+const LIVE_TICK_MS = 2000
+export const MAX_FLOW_LIVE_SUBSCRIBERS = 4
+let liveSubscribers = 0
+
+export function tryAcquireFlowLiveSlot(): boolean {
+  if (liveSubscribers >= MAX_FLOW_LIVE_SUBSCRIBERS) return false
+  liveSubscribers += 1
+  return true
+}
+
+export function releaseFlowLiveSlot(): void {
+  liveSubscribers = Math.max(0, liveSubscribers - 1)
+}
+
+export function resetFlowLiveSlotsForTests(): void {
+  liveSubscribers = 0
+}
 
 function rangeToMinutes(range: string | undefined): number {
   switch ((range ?? "5m").toLowerCase()) {
@@ -25,10 +54,44 @@ function rangeToMinutes(range: string | undefined): number {
     case "1h": return 60
     case "4h": return 240
     case "24h": return 1440
+    case "30d": return 1440
     default: return 5
   }
 }
 
+function parseId(raw: unknown): number | undefined {
+  if (raw == null || raw === "") return undefined
+  const n = Number.parseInt(String(raw), 10)
+  return Number.isFinite(n) ? n : undefined
+}
+
+function parseDedup(raw: unknown): boolean {
+  if (raw == null || raw === "") return true
+  const s = String(raw).toLowerCase()
+  return s !== "0" && s !== "false" && s !== "off"
+}
+
+function analyticsQuery(req: FastifyRequest) {
+  const q = req.query as {
+    range?: string
+    serverId?: string
+    userId?: string
+    iface?: string
+    dedup?: string
+    excludeMesh?: string
+    excludeOverlay?: string
+  }
+  return {
+    minutes: rangeToMinutes(q.range),
+    serverId: parseId(q.serverId),
+    userId: q.userId?.trim() || undefined,
+    iface: q.iface?.trim() || undefined,
+    dedup: parseDedup(q.dedup),
+    excludeMesh: parseDedup(q.excludeMesh),
+    excludeOverlay: parseDedup(q.excludeOverlay),
+  }
+}
+
 async function sendFlowTalkers(req: FastifyRequest, reply: FastifyReply) {
   const q = req.query as { range?: string }
   return reply.send(listFlowTalkers(rangeToMinutes(q.range)))
@@ -58,6 +121,28 @@ async function applyOverlayHandler(req: FastifyRequest, reply: FastifyReply) {
   }
 }
 
+function writeSse(raw: NodeJS.WritableStream, event: string, data: unknown) {
+  raw.write(`event: ${event}\ndata: ${JSON.stringify(data)}\n\n`)
+}
+
+function sleep(ms: number, signal: AbortSignal): Promise<void> {
+  return new Promise((resolve, reject) => {
+    if (signal.aborted) {
+      reject(new Error("aborted"))
+      return
+    }
+    const timer = setTimeout(() => {
+      signal.removeEventListener("abort", onAbort)
+      resolve()
+    }, ms)
+    const onAbort = () => {
+      clearTimeout(timer)
+      reject(new Error("aborted"))
+    }
+    signal.addEventListener("abort", onAbort, { once: true })
+  })
+}
+
 const trafficFlowRoutes: FastifyPluginAsyncZod = async (app) => {
   app.get("/traffic/flow/settings", async (_req, reply) => {
     return reply.send(toTrafficFlowSettingsDto(getFlowListenerState()))
@@ -89,11 +174,123 @@ const trafficFlowRoutes: FastifyPluginAsyncZod = async (app) => {
     return reply.send({ files: listTrafficFlowHostFiles() })
   })
 
+  app.post("/traffic/flow/purge", async (_req, reply) => {
+    try {
+      const result = await purgeTrafficFlowStore()
+      appendEvent({
+        level: "warning",
+        eventType: "traffic.flow.purge",
+        sourceModule: "traffic",
+        title: "Сброшены данные NetFlow",
+        message: `Удалены сессии ${result.deleted.buckets}, minute ${result.deleted.minuteStats}, daily ${result.deleted.dailyDims}`,
+        entityType: "traffic_flow",
+        entityId: "purge",
+        payload: {
+          buckets: result.deleted.buckets,
+          minuteStats: result.deleted.minuteStats,
+          minuteDims: result.deleted.minuteDims,
+          dailyDims: result.deleted.dailyDims,
+          fileBytesBefore: result.fileBytesBefore,
+          fileBytesAfter: result.fileBytesAfter,
+          vacuumed: result.vacuumed,
+        },
+      })
+      return reply.send(result)
+    } catch (err) {
+      const message = err instanceof Error ? err.message : String(err)
+      const status = message.includes("уже выполняется") ? 409 : 500
+      return reply.status(status).send({ error: message })
+    }
+  })
+
   app.post("/traffic/flow/overlay", applyOverlayHandler)
   app.post("/traffic/flow-overlay", applyOverlayHandler)
 
   app.get("/traffic/flow", sendFlowTalkers)
   app.get("/traffic/flows", sendFlowTalkers)
+
+  app.get("/traffic/flow/exporters", async (req, reply) => {
+    const q = req.query as { range?: string }
+    return reply.send(listFlowExporters(rangeToMinutes(q.range)))
+  })
+
+  app.get("/traffic/flow/clients", async (req, reply) => {
+    const q = req.query as { range?: string }
+    return reply.send(listFlowClients(rangeToMinutes(q.range)))
+  })
+
+  app.get("/traffic/flow/analytics", async (req, reply) => {
+    return reply.send(buildFlowAnalytics(analyticsQuery(req)))
+  })
+
+  app.get("/traffic/flow/map-hops", async (req, reply) => {
+    return reply.send(buildFlowMapHops(analyticsQuery(req)))
+  })
+
+  app.get("/traffic/flow/monthly", async (req, reply) => {
+    const q = req.query as { month?: string; serverId?: string }
+    const now = new Date()
+    const month = /^\d{4}-\d{2}$/.test(q.month ?? "")
+      ? (q.month as string)
+      : `${now.getUTCFullYear()}-${String(now.getUTCMonth() + 1).padStart(2, "0")}`
+    return reply.send(getFlowMonthly(month, parseId(q.serverId)))
+  })
+
+  app.get("/traffic/flow/live", async (req, reply) => {
+    if (!tryAcquireFlowLiveSlot()) {
+      return reply.status(429).send({ error: "Слишком много live-подписок" })
+    }
+    const query = analyticsQuery(req)
+    const liveQuery = {
+      serverId: query.serverId,
+      userId: query.userId,
+      iface: query.iface,
+      dedup: query.dedup,
+      excludeMesh: query.excludeMesh,
+      excludeOverlay: query.excludeOverlay,
+    }
+    const abort = new AbortController()
+    const onClose = () => abort.abort()
+    req.raw.on("close", onClose)
+
+    reply.hijack()
+    req.raw.setTimeout(0)
+    reply.raw.setTimeout(0)
+    const origin = typeof req.headers.origin === "string" ? req.headers.origin : ""
+    const allowed = env.CORS_ORIGIN
+    const sseHeaders: Record<string, string> = {
+      "Content-Type": "text/event-stream; charset=utf-8",
+      "Cache-Control": "no-cache, no-transform",
+      Connection: "keep-alive",
+      "X-Accel-Buffering": "no",
+    }
+    if (origin && (allowed === "*" || allowed === origin)) {
+      sseHeaders["Access-Control-Allow-Origin"] = origin
+      sseHeaders["Access-Control-Allow-Credentials"] = "true"
+      sseHeaders["Access-Control-Allow-Headers"] = "Authorization, Accept"
+      sseHeaders.Vary = "Origin"
+    }
+    reply.raw.writeHead(200, sseHeaders)
+    reply.raw.write(":\n\n")
+
+    try {
+      while (!abort.signal.aborted) {
+        const payload = safeBuildLiveFlowSample(liveQuery)
+        writeSse(reply.raw, payload.event, payload.data)
+        await sleep(LIVE_TICK_MS, abort.signal)
+      }
+    } catch {
+      /* abort / disconnect */
+    } finally {
+      releaseFlowLiveSlot()
+      req.raw.off("close", onClose)
+      try {
+        reply.raw.end()
+      } catch {
+        /* already closed */
+      }
+    }
+  })
 }
 
 export default trafficFlowRoutes

backend/src/services/alert-engine/prev-live-store.ts

@@ -37,11 +37,12 @@ export function savePrevLiveMap(kind: PrevLiveKind, map: PrevLiveStringMap) {
     .limit(1)
     .all()[0]
   if (existing) {
+    if (existing.payloadJson === payloadJson) return
     db.update(alertEnginePrevLive)
       .set({ payloadJson, updatedAt: new Date().toISOString() })
       .where(eq(alertEnginePrevLive.kind, kind))
       .run()
-  } else {
-    db.insert(alertEnginePrevLive).values({ kind, payloadJson, updatedAt: new Date().toISOString() }).run()
+    return
   }
+  db.insert(alertEnginePrevLive).values({ kind, payloadJson, updatedAt: new Date().toISOString() }).run()
 }

backend/src/services/gre-bgp-snapshot-collector.ts

@@ -1,5 +1,3 @@
-import { db, sqliteDatabase } from "../db/index.js"
-import { alertBgpPeerSamples, alertGreTunnelSamples } from "../db/schema.js"
 import { bgpPeerAlertKey, fetchBgpSessionsForAlerts } from "./bgp-peers-live.js"
 import { fetchGreTunnelLiveRows } from "./gre-tunnels-live.js"
 import type { GreBgpSnapshotRunSnapshot } from "../types/scheduler-run-snapshot.js"
@@ -12,8 +10,8 @@ export function getGreBgpSnapshotCollectorState(): { running: boolean } {
 }
 
 /**
- * Один опрос GRE + BGP по включённым серверам и запись строк в SQLite для `buildSignalSnapshot`.
- * Движок оповещений больше не дублирует эти REST-запросы.
+ * Один опрос GRE + BGP по включённым серверам.
+ * Снимок для алертов живёт в `scheduler_runs.result_json` (`greTunnels` / `bgpPeers`).
  */
 export async function collectGreBgpSnapshotOnce(): Promise<GreBgpSnapshotRunSnapshot> {
   const sampledAt = new Date().toISOString()
@@ -62,32 +60,8 @@ export async function collectGreBgpSnapshotOnce(): Promise<GreBgpSnapshotRunSnap
     const bgpRows = bgpSettled.status === "fulfilled" ? bgpSettled.value : []
     snapshot.greTunnels = greRows.map((r) => ({ targetLabel: r.targetLabel, status: r.status }))
     snapshot.bgpPeers = bgpRows.map((s) => ({ key: bgpPeerAlertKey(s), state: s.state }))
-
-    db.transaction((tx) => {
-      for (const r of greRows) {
-        tx.insert(alertGreTunnelSamples).values({
-          sampledAt,
-          targetLabel: r.targetLabel,
-          status: r.status,
-        }).run()
-        snapshot.greWritten += 1
-      }
-      for (const s of bgpRows) {
-        tx.insert(alertBgpPeerSamples).values({
-          sampledAt,
-          peerKey: bgpPeerAlertKey(s),
-          state: s.state,
-        }).run()
-        snapshot.bgpWritten += 1
-      }
-    })
-
-    sqliteDatabase
-      .prepare(`DELETE FROM alert_gre_tunnel_samples WHERE sampled_at < datetime('now', '-30 days')`)
-      .run()
-    sqliteDatabase
-      .prepare(`DELETE FROM alert_bgp_peer_samples WHERE sampled_at < datetime('now', '-30 days')`)
-      .run()
+    snapshot.greWritten = greRows.length
+    snapshot.bgpWritten = bgpRows.length
 
     if (errors.length) snapshot.errors = errors
   } catch (e) {

backend/src/services/mikrotik.ts

@@ -11,6 +11,16 @@ import type {
   FirewallFamily, FirewallTable,
 } from "../types/server.js"
 
+const MAX_ROS_BODY_BYTES = 8 * 1024 * 1024
+
+function appendRosBody(body: string, chunk: string, req?: http.ClientRequest): string {
+  if (body.length + chunk.length > MAX_ROS_BODY_BYTES) {
+    req?.destroy(new Error("RouterOS: ответ больше 8 МиБ"))
+    return body
+  }
+  return body + chunk
+}
+
 // ── connection params ─────────────────────────────────────────────────────────
 
 export interface MikrotikConnectParams {
@@ -52,7 +62,7 @@ function rosRequest(
     const req = lib.request(options, (res) => {
       let body = ""
       res.setEncoding("utf8")
-      res.on("data", (chunk: string) => { body += chunk })
+      res.on("data", (chunk: string) => { body = appendRosBody(body, chunk, req) })
       res.on("end", () => {
         clearTimeout(timer)
         if (!res.statusCode || res.statusCode < 200 || res.statusCode >= 300) {
@@ -135,7 +145,7 @@ function rosPost(
     req = lib.request(options, (res) => {
       let buf = ""
       res.setEncoding("utf8")
-      res.on("data", (chunk: string) => { buf += chunk })
+      res.on("data", (chunk: string) => { buf = appendRosBody(buf, chunk, req) })
       res.on("end", () => {
         settle(() => {
           if (!res.statusCode || res.statusCode < 200 || res.statusCode >= 300) {
@@ -189,7 +199,7 @@ function rosPut(
     const req = lib.request(options, (res) => {
       let buf = ""
       res.setEncoding("utf8")
-      res.on("data", (chunk: string) => { buf += chunk })
+      res.on("data", (chunk: string) => { buf = appendRosBody(buf, chunk, req) })
       res.on("end", () => {
         clearTimeout(timer)
         if (!res.statusCode || res.statusCode < 200 || res.statusCode >= 300) {
@@ -239,7 +249,7 @@ function rosDelete(
     const req = lib.request(options, (res) => {
       let body = ""
       res.setEncoding("utf8")
-      res.on("data", (chunk: string) => { body += chunk })
+      res.on("data", (chunk: string) => { body = appendRosBody(body, chunk, req) })
       res.on("end", () => {
         clearTimeout(timer)
         if (!res.statusCode || res.statusCode < 200 || res.statusCode >= 300) {
@@ -289,7 +299,7 @@ function rosPatch(
     const req = lib.request(options, (res) => {
       let buf = ""
       res.setEncoding("utf8")
-      res.on("data", (chunk: string) => { buf += chunk })
+      res.on("data", (chunk: string) => { buf = appendRosBody(buf, chunk, req) })
       res.on("end", () => {
         clearTimeout(timer)
         if (!res.statusCode || res.statusCode < 200 || res.statusCode >= 300) {

backend/src/services/poller.ts

@@ -5,6 +5,7 @@ import type { SnapshotInsert } from "../db/schema.js"
 import type { SnapshotRead } from "../types/server.js"
 import { MikrotikClient } from "./mikrotik.js"
 import { parseRosCpuLoadPercent, parseRosDataSizeBytes } from "./ros-metric-parse.js"
+import { invalidateFlowCatalogCache } from "./traffic-flow-topology.js"
 
 // ── pollServer ─────────────────────────────────────────────────────────────────
 
@@ -64,11 +65,13 @@ export async function pollServer(serverId: number): Promise<SnapshotRead> {
       rawIpAddresses: JSON.stringify(addresses),
     } satisfies Partial<SnapshotInsert>)
 
-    // Keep server.name in sync with RouterOS identity
-    db.update(servers)
-      .set({ name: identity.name, updatedAt: now })
-      .where(eq(servers.id, serverId))
-      .run()
+    if ((identity.name || "") !== (server.name || "")) {
+      db.update(servers)
+        .set({ name: identity.name, updatedAt: now })
+        .where(eq(servers.id, serverId))
+        .run()
+      invalidateFlowCatalogCache()
+    }
 
   } catch (err) {
     // Log but don't throw — we still persist the offline snapshot

backend/src/services/scheduler.ts

@@ -7,7 +7,7 @@
  * 3. `uptime_speed` — ниже (BW-test, тяжёлый); локи узлов — `withBtestNodeLocks` в speed-сервисе.
  *
  * **Оповещения (`alert_engine`):** читают SQLite после джоб сбора (см. `buildSignalSnapshot`), в т.ч.
- * `gre_bgp` → `alert_gre_tunnel_samples` / `alert_bgp_peer_samples`. После успешного завершения джоб
+ * `gre_bgp` → snapshot в `scheduler_runs.result_json` (`greTunnels` / `bgpPeers`). После успешного завершения джоб
  * `traffic`, `uptime_*`, `servers_rest_ping`, `gre_bgp` планируется **дополнительный** прогон движка
  * (debounce), см. [`alert-collector-hooks.ts`](./alert-collector-hooks.ts); любой другой писатель сэмплов
  * для снимка оповещений тоже должен вызывать `scheduleAlertEngineAfterDataCollectors()` после коммита.
@@ -17,7 +17,7 @@
  */
 import { desc, eq, lt } from "drizzle-orm"
 import { db } from "../db/index.js"
-import { schedulerRuns } from "../db/schema.js"
+import { events, schedulerRuns } from "../db/schema.js"
 import type { SchedulerRunSnapshot } from "../types/scheduler-run-snapshot.js"
 import { SCHEDULER_RUN_SNAPSHOT_VERSION } from "../types/scheduler-run-snapshot.js"
 import {
@@ -71,6 +71,20 @@ const timers = new Map<string, ReturnType<typeof setInterval>>()
 
 const RUN_LOG_RETENTION_MS = 30 * 24 * 60 * 60 * 1000
 
+const QUIET_SCHEDULER_OK_JOBS = new Set<SchedulerJobKey>([
+  "traffic",
+  "servers_rest_ping",
+  "uptime_resources",
+  "uptime_ping",
+  "uptime_speed",
+  "gre_bgp",
+  "alert_engine",
+])
+
+export function shouldAppendSchedulerOkEvent(jobKey: SchedulerJobKey): boolean {
+  return !QUIET_SCHEDULER_OK_JOBS.has(jobKey)
+}
+
 function newRunId(): string {
   return `sch-${Date.now()}-${Math.random().toString(36).slice(2, 10)}`
 }
@@ -84,18 +98,21 @@ function appendSchedulerRun(row: {
   durationMs: number
   result?: SchedulerRunSnapshot | null
 }) {
-  db.insert(schedulerRuns).values({
-    id: newRunId(),
-    jobKey: row.jobKey,
-    startedAt: row.startedAt,
-    finishedAt: row.finishedAt,
-    status: row.status,
-    error: row.error,
-    durationMs: row.durationMs,
-    resultJson: row.result ? JSON.stringify(row.result) : null,
-  }).run()
   const cutoff = new Date(Date.now() - RUN_LOG_RETENTION_MS).toISOString()
-  db.delete(schedulerRuns).where(lt(schedulerRuns.finishedAt, cutoff)).run()
+  db.transaction((tx) => {
+    tx.insert(schedulerRuns).values({
+      id: newRunId(),
+      jobKey: row.jobKey,
+      startedAt: row.startedAt,
+      finishedAt: row.finishedAt,
+      status: row.status,
+      error: row.error,
+      durationMs: row.durationMs,
+      resultJson: row.result ? JSON.stringify(row.result) : null,
+    }).run()
+    tx.delete(schedulerRuns).where(lt(schedulerRuns.finishedAt, cutoff)).run()
+    tx.delete(events).where(lt(events.createdAt, cutoff)).run()
+  })
 }
 
 async function runSchedulerJobBody(jobKey: SchedulerJobKey): Promise<void> {
@@ -159,19 +176,21 @@ async function runSchedulerJobBody(jobKey: SchedulerJobKey): Promise<void> {
       durationMs: Date.now() - startedAt,
       result: snapshot ?? null,
     })
-    appendEvent({
-      level: "info",
-      eventType: "scheduler.job.ok",
-      sourceModule: "scheduler",
-      title: "Задача планировщика завершена",
-      message: `${jobKey}: выполнено за ${Date.now() - startedAt} мс`,
-      entityType: "job",
-      entityId: jobKey,
-      payload: {
-        startedAt: startedIso,
-        finishedAt: finishedIso,
-      },
-    })
+    if (shouldAppendSchedulerOkEvent(jobKey)) {
+      appendEvent({
+        level: "info",
+        eventType: "scheduler.job.ok",
+        sourceModule: "scheduler",
+        title: "Задача планировщика завершена",
+        message: `${jobKey}: выполнено за ${Date.now() - startedAt} мс`,
+        entityType: "job",
+        entityId: jobKey,
+        payload: {
+          startedAt: startedIso,
+          finishedAt: finishedIso,
+        },
+      })
+    }
     if (
       jobKey === "traffic" ||
       jobKey === "servers_rest_ping" ||

backend/src/services/sqlite-write-opt.test.ts

@@ -0,0 +1,144 @@
+import assert from "node:assert/strict"
+import { randomUUID } from "node:crypto"
+import { countSqliteWrites, sqliteDatabase } from "../db/index.js"
+import { events } from "../db/schema.js"
+import { db } from "../db/index.js"
+import {
+  attachEngineSqlite,
+  bumpPacketMeta,
+  configureEngine,
+  flushPending,
+  ingestParsedFlowsForServerForTests,
+  resetEngineForTests,
+  setEngineError,
+} from "./traffic-flow-engine.js"
+import { collectGreBgpSnapshotOnce } from "./gre-bgp-snapshot-collector.js"
+import { shouldAppendSchedulerOkEvent, executeSchedulerJob } from "./scheduler.js"
+import { savePrevLiveMap, loadPrevLiveMap } from "./alert-engine/prev-live-store.js"
+import {
+  invalidateFlowCatalogCache,
+  loadFlowTopology,
+  seedFlowTopologyForTests,
+} from "./traffic-flow-topology.js"
+
+resetEngineForTests()
+attachEngineSqlite(sqliteDatabase)
+seedFlowTopologyForTests(null)
+invalidateFlowCatalogCache()
+
+const idle1 = countSqliteWrites(() => {
+  flushPending()
+})
+assert.equal(idle1.stats.walCheckpoint, 0)
+assert.ok(idle1.stats.update >= 1, "first idle flush persists listener stats")
+
+const idle2 = countSqliteWrites(() => {
+  flushPending()
+})
+assert.equal(idle2.stats.update, 0, "unchanged listener stats skip UPDATE")
+assert.equal(idle2.stats.walCheckpoint, 0)
+
+bumpPacketMeta("203.0.113.9")
+const changed = countSqliteWrites(() => {
+  flushPending()
+})
+assert.equal(changed.stats.update, 1, "changed packets persist once")
+assert.equal(changed.stats.walCheckpoint, 0)
+
+setEngineError("boom")
+const errWrite = countSqliteWrites(() => {
+  flushPending()
+})
+assert.equal(errWrite.stats.update, 1)
+setEngineError("")
+flushPending()
+
+resetEngineForTests()
+configureEngine({ topN: 20 })
+ingestParsedFlowsForServerForTests(9, [{
+  src: "10.1.1.1",
+  dst: "8.8.8.8",
+  proto: 6,
+  srcPort: 40000,
+  dstPort: 443,
+  bytes: 100,
+  packets: 1,
+  inIface: "2",
+  outIface: "",
+}])
+const withData = countSqliteWrites(() => {
+  flushPending()
+})
+assert.equal(withData.stats.walCheckpoint, 0, "flush with data must not TRUNCATE WAL")
+assert.ok(withData.stats.insert >= 1, "flow upsert writes")
+
+sqliteDatabase.prepare(`DELETE FROM flow_buckets WHERE server_id = 9`).run()
+sqliteDatabase.prepare(`DELETE FROM flow_minute_stats WHERE server_id = 9`).run()
+sqliteDatabase.prepare(`DELETE FROM flow_minute_dims WHERE server_id = 9`).run()
+sqliteDatabase.prepare(`DELETE FROM flow_daily_dims WHERE server_id = 9`).run()
+
+const plan = sqliteDatabase.prepare(`
+  EXPLAIN QUERY PLAN
+  SELECT id FROM flow_buckets WHERE bucket_at >= ? ORDER BY bytes DESC LIMIT 100
+`).all("2000-01-01T00:00:00.000Z") as Array<{ detail?: string }>
+const planText = plan.map((p) => String(p.detail ?? "")).join(" | ")
+assert.ok(planText.length > 0, "EXPLAIN QUERY PLAN returned rows")
+
+invalidateFlowCatalogCache()
+seedFlowTopologyForTests(null)
+const topoA = loadFlowTopology()
+const topoB = loadFlowTopology()
+assert.equal(topoA, topoB, "topology cache returns same object")
+invalidateFlowCatalogCache()
+const topoC = loadFlowTopology()
+assert.notEqual(topoA, topoC, "invalidate rebuilds topology")
+
+assert.equal(shouldAppendSchedulerOkEvent("traffic"), false)
+assert.equal(shouldAppendSchedulerOkEvent("alert_engine"), false)
+assert.equal(shouldAppendSchedulerOkEvent("gre_bgp"), false)
+assert.equal(shouldAppendSchedulerOkEvent("backups"), true)
+assert.equal(shouldAppendSchedulerOkEvent("certificates_renew"), true)
+assert.equal(shouldAppendSchedulerOkEvent("internet_path"), true)
+
+savePrevLiveMap("gre", { a: "up" })
+const prevSame = countSqliteWrites(() => {
+  savePrevLiveMap("gre", { a: "up" })
+})
+assert.equal(prevSame.stats.update, 0)
+assert.equal(prevSame.stats.insert, 0)
+savePrevLiveMap("gre", { a: "down" })
+assert.equal(loadPrevLiveMap("gre").a, "down")
+savePrevLiveMap("gre", { a: "up" })
+
+const greBefore = sqliteDatabase.prepare(`SELECT COUNT(*) AS n FROM alert_gre_tunnel_samples`).get() as { n: number }
+const bgpBefore = sqliteDatabase.prepare(`SELECT COUNT(*) AS n FROM alert_bgp_peer_samples`).get() as { n: number }
+await collectGreBgpSnapshotOnce()
+const greAfter = sqliteDatabase.prepare(`SELECT COUNT(*) AS n FROM alert_gre_tunnel_samples`).get() as { n: number }
+const bgpAfter = sqliteDatabase.prepare(`SELECT COUNT(*) AS n FROM alert_bgp_peer_samples`).get() as { n: number }
+assert.equal(greAfter.n, greBefore.n)
+assert.equal(bgpAfter.n, bgpBefore.n)
+
+const oldId = `evt-old-${randomUUID()}`
+db.insert(events).values({
+  id: oldId,
+  createdAt: new Date(Date.now() - 40 * 24 * 60 * 60 * 1000).toISOString(),
+  level: "info",
+  eventType: "test.retention",
+  sourceModule: "system",
+  title: "old",
+  message: "old",
+}).run()
+const eventsBefore = sqliteDatabase.prepare(
+  `SELECT COUNT(*) AS n FROM events WHERE event_type = 'scheduler.job.ok' AND entity_id = 'alert_engine'`,
+).get() as { n: number }
+await executeSchedulerJob("alert_engine")
+const oldGone = sqliteDatabase.prepare(`SELECT COUNT(*) AS n FROM events WHERE id = ?`).get(oldId) as { n: number }
+assert.equal(oldGone.n, 0, "events older than 30 days are purged")
+const eventsAfter = sqliteDatabase.prepare(
+  `SELECT COUNT(*) AS n FROM events WHERE event_type = 'scheduler.job.ok' AND entity_id = 'alert_engine'`,
+).get() as { n: number }
+assert.equal(eventsAfter.n, eventsBefore.n, "quiet jobs do not append scheduler.job.ok")
+
+resetEngineForTests()
+console.log("sqlite-write-opt.test.ts: ok")
+console.log("EXPLAIN listStoredFlowRows:", planText)

backend/src/services/system-database-backup.ts

@@ -4,16 +4,19 @@ import os from "node:os"
 import path from "node:path"
 import Database from "better-sqlite3"
 import { env } from "../config.js"
-import { sqliteDatabase } from "../db/index.js"
+import { beginSqliteExclusiveOp, endSqliteExclusiveOp, reopenSqlite, sqliteDatabase } from "../db/index.js"
 import { refreshScheduler, stopScheduler } from "./scheduler.js"
+import {
+  reattachFlowSqlite,
+  startTrafficFlowListener,
+  stopTrafficFlowListener,
+} from "./traffic-flow-ingest.js"
 
 const SQLITE_MAGIC = Buffer.from("SQLite format 3\0")
 const MAX_RESTORE_BYTES = 512 * 1024 * 1024
 
 type SqliteHandle = InstanceType<typeof Database>
 
-let operationInFlight = false
-
 function fmtTimestamp(date = new Date()): string {
   const pad = (n: number) => String(n).padStart(2, "0")
   return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}_${pad(date.getHours())}-${pad(date.getMinutes())}-${pad(date.getSeconds())}`
@@ -33,16 +36,15 @@ function assertSqliteFile(buffer: Buffer): void {
 }
 
 async function withDatabaseOperation<T>(fn: () => Promise<T> | T): Promise<T> {
-  if (operationInFlight) {
-    throw new Error("Операция с базой данных уже выполняется")
-  }
-  operationInFlight = true
+  beginSqliteExclusiveOp()
+  stopTrafficFlowListener()
   stopScheduler()
   try {
     return await fn()
   } finally {
+    startTrafficFlowListener()
     refreshScheduler()
-    operationInFlight = false
+    endSqliteExclusiveOp()
   }
 }
 
@@ -80,6 +82,8 @@ export async function restoreSystemDatabaseBackup(buffer: Buffer): Promise<void>
       await writeFile(tempPath, buffer)
       source = new Database(tempPath, { readonly: true, fileMustExist: true })
       await source.backup(resolveDatabasePath())
+      reopenSqlite()
+      reattachFlowSqlite()
       sqliteDatabase.pragma("wal_checkpoint(TRUNCATE)")
     } finally {
       source?.close()

backend/src/services/traffic-collector.ts

@@ -5,9 +5,12 @@ import type { TrafficRunSnapshot } from "../types/scheduler-run-snapshot.js"
 import { SCHEDULER_RUN_SNAPSHOT_VERSION } from "../types/scheduler-run-snapshot.js"
 import { MikrotikClient } from "./mikrotik.js"
 import { bpsToMbps, rateBpsFromDelta, shouldIncludeIface } from "./traffic-rate.js"
+import { rememberServerIfaces } from "./traffic-flow-ifindex.js"
 
 interface RosIfaceTraffic {
+  ".id"?: string
   name?: string
+  ifindex?: string
   running?: string
   disabled?: string
   "rx-byte"?: string
@@ -139,6 +142,7 @@ export async function collectTrafficOnce(): Promise<TrafficRunSnapshot> {
       try {
         const client = MikrotikClient.fromServer(srv)
         const ifaces = await client.get<RosIfaceTraffic[]>("/interface")
+        rememberServerIfaces(srv.id, ifaces)
         const prevWave = readPreviousWave(srv.id)
         const nowMs = Date.parse(now)
         let sumRxMbps = 0

backend/src/services/traffic-flow-analytics.test.ts

@@ -0,0 +1,466 @@
+import assert from "node:assert/strict"
+import { rememberServerIfaces, resetIfaceCacheForTests } from "./traffic-flow-ifindex.js"
+import {
+  ingestParsedFlowsForServerForTests,
+  resetFlowRingsForTests,
+} from "./traffic-flow-ingest.js"
+import { buildFlowAnalytics, formatLiveSseFromBuilder, getFlowMonthly, listFlowClients, listFlowExporters } from "./traffic-flow-analytics.js"
+import { sqliteDatabase } from "../db/index.js"
+import { seedFlowTopologyForTests, type FlowTopology } from "./traffic-flow-topology.js"
+import { disableCatalogFetchForTests, resetFlowCatalogForTests, seedFlowCatalogForTests } from "./traffic-flow-classify.js"
+import {
+  disableRipeEnqueueForTests,
+  disableRipePersistForTests,
+  resetRipeCacheForTests,
+  seedRipeCacheForTests,
+} from "./traffic-flow-ripe.js"
+
+disableCatalogFetchForTests()
+resetFlowCatalogForTests()
+disableRipePersistForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+resetIfaceCacheForTests()
+resetFlowRingsForTests()
+seedFlowTopologyForTests({
+  clientIfaces: new Map(),
+  clientByIface: new Map(),
+  enNodes: [],
+  enHosts: new Set(),
+  jhHosts: new Set(),
+  wanIfaces: new Map(),
+  plane: { clientIfaceNames: new Set(), enHosts: new Set(), jhHosts: new Set() },
+})
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "ether1" },
+  { ".id": "*B", name: "ether2" },
+  { ".id": "*A", name: "wg-flow" },
+])
+
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "10.1.1.8",
+    dst: "8.8.8.8",
+    proto: 6,
+    srcPort: 51234,
+    dstPort: 443,
+    bytes: 12_000,
+    packets: 10,
+    inIface: "2",
+    outIface: "11",
+  },
+  {
+    src: "10.1.1.8",
+    dst: "1.1.1.1",
+    proto: 17,
+    srcPort: 53000,
+    dstPort: 53,
+    bytes: 800,
+    packets: 4,
+    inIface: "2",
+    outIface: "",
+  },
+])
+
+try {
+  const all = buildFlowAnalytics({ minutes: 5, serverId: 7 })
+  assert.equal(all.applications[0]?.label, "HTTPS")
+  assert.ok(all.protocols.some((p) => p.label === "TCP"))
+  assert.equal(all.ifaces[0]?.name, "ether1")
+  assert.notEqual(all.ifaces[0]?.name, "2")
+  const conv = all.conversationsList[0]
+  assert.ok(conv)
+  assert.equal(conv.inIface, "ether1")
+  assert.equal(conv.inIfaceIndex, "2")
+  assert.equal(conv.application, "HTTPS")
+  assert.ok(!/^\d+$/.test(conv.inIface))
+
+  const filtered = buildFlowAnalytics({ minutes: 5, serverId: 7, iface: "ether1" })
+  assert.ok(filtered.bytes >= 12_000)
+  assert.equal(filtered.ifaces[0]?.name, "ether1")
+
+  const miss = buildFlowAnalytics({ minutes: 5, serverId: 7, iface: "wg-flow" })
+  assert.equal(miss.conversations, 0)
+
+  const other = buildFlowAnalytics({ minutes: 5, serverId: 99 })
+  assert.equal(other.conversations, 0)
+} finally {
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "ether1" },
+  { ".id": "*B", name: "ether2" },
+  { ".id": "*A", name: "wg-flow" },
+])
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "10.1.1.8",
+    dst: "8.8.8.8",
+    proto: 6,
+    srcPort: 51234,
+    dstPort: 443,
+    bytes: 12_000,
+    packets: 10,
+    inIface: "2",
+    outIface: "11",
+  },
+  {
+    src: "10.1.1.8",
+    dst: "8.8.8.8",
+    proto: 6,
+    srcPort: 51234,
+    dstPort: 443,
+    bytes: 9_000,
+    packets: 9,
+    inIface: "11",
+    outIface: "",
+  },
+])
+try {
+  const summed = buildFlowAnalytics({ minutes: 5, serverId: 7, dedup: false })
+  assert.equal(summed.bytes, 21_000)
+  assert.equal(summed.conversations, 2)
+  const deduped = buildFlowAnalytics({ minutes: 5, serverId: 7, dedup: true })
+  assert.equal(deduped.bytes, 12_000)
+  assert.equal(deduped.conversations, 1)
+  assert.equal(deduped.dedupApplied, true)
+  assert.equal(deduped.interfaces.length, 2)
+} finally {
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+disableRipeEnqueueForTests()
+seedRipeCacheForTests({
+  prefix: "8.8.8.0/24",
+  asn: 15169,
+  country: "US",
+  lat: 37.4,
+  lng: -122.1,
+  holder: "GOOGLE",
+  ok: true,
+  fetchedAt: Date.now(),
+})
+seedFlowCatalogForTests({
+  cidrs: [{ cidr: "8.8.8.0/24", purpose: "steam-gaming" }],
+})
+rememberServerIfaces(7, [{ ".id": "*2", name: "ether1" }])
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "10.1.1.8",
+    dst: "8.8.8.8",
+    proto: 6,
+    srcPort: 51234,
+    dstPort: 443,
+    bytes: 12_000,
+    packets: 10,
+    inIface: "2",
+    outIface: "",
+  },
+])
+try {
+  const geo = buildFlowAnalytics({ minutes: 5, serverId: 7 })
+  assert.equal(geo.categories?.[0]?.label, "Игры")
+  assert.ok(geo.asns?.some((r) => r.label.includes("AS15169")))
+  assert.equal(geo.countries?.[0]?.id, "US")
+  assert.equal(geo.mapEdges?.[0]?.toCountry, "US")
+  assert.ok(geo.mapEdges?.every((e) => e.toCountry !== "?"))
+  assert.equal(geo.conversationsList[0]?.dstCountry, "US")
+  assert.equal(geo.asns?.[0]?.id, "15169")
+} finally {
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+disableRipeEnqueueForTests()
+resetRipeCacheForTests()
+resetFlowCatalogForTests()
+seedRipeCacheForTests({
+  prefix: "1.1.1.0/24",
+  asn: 13335,
+  country: "?",
+  lat: null,
+  lng: null,
+  holder: "CLOUDFLARENET, US",
+  ok: true,
+  fetchedAt: Date.now(),
+})
+rememberServerIfaces(7, [{ ".id": "*2", name: "ether1" }])
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "10.1.1.8",
+    dst: "1.1.1.1",
+    proto: 6,
+    srcPort: 51234,
+    dstPort: 443,
+    bytes: 5000,
+    packets: 5,
+    inIface: "2",
+    outIface: "",
+  },
+])
+try {
+  const cf = buildFlowAnalytics({ minutes: 5, serverId: 7 })
+  assert.equal(cf.countries?.[0]?.id, "US")
+  assert.ok(cf.mapEdges?.every((e) => e.toCountry !== "?"))
+  assert.equal(cf.services?.[0]?.label, "Cloudflare")
+  assert.equal(cf.categories?.[0]?.label, "CDN")
+  assert.equal(cf.conversationsList[0]?.dstCountry, "US")
+  assert.equal(cf.asns?.[0]?.id, "13335")
+} finally {
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+}
+
+{
+  ingestParsedFlowsForServerForTests(7, [
+    {
+      src: "10.1.1.8",
+      dst: "8.8.8.8",
+      proto: 6,
+      srcPort: 51234,
+      dstPort: 443,
+      bytes: 12_000,
+      packets: 10,
+      inIface: "2",
+      outIface: "",
+    },
+  ])
+  const degraded = buildFlowAnalytics({ minutes: 5, serverId: 7, skipHeavy: true })
+  assert.equal(degraded.degraded, true)
+  assert.equal(degraded.conversationsList.length, 0)
+  assert.ok((degraded.bytes ?? 0) >= 12_000)
+  const liveErr = formatLiveSseFromBuilder(() => {
+    throw new Error("SQLITE_BUSY")
+  })
+  assert.equal(liveErr.event, "error")
+  assert.equal((liveErr.data as { error: string }).error, "SQLITE_BUSY")
+  const liveOk = formatLiveSseFromBuilder(() => ({ ok: true }))
+  assert.equal(liveOk.event, "sample")
+  const exporters = listFlowExporters(5)
+  const clients = listFlowClients(5)
+  assert.ok(Array.isArray(exporters.exporters))
+  assert.ok(Array.isArray(clients.clients))
+  resetFlowRingsForTests()
+}
+
+{
+  sqliteDatabase.prepare(`DELETE FROM flow_daily_dims WHERE server_id = 7 AND day LIKE '2026-09-%'`).run()
+  sqliteDatabase.exec(`
+    INSERT INTO flow_daily_dims (server_id, day, dim, key, bytes, packets)
+    VALUES
+      (7, '2026-09-01', 'country', 'US', 1000, 10),
+      (7, '2026-09-02', 'country', 'US', 500, 5),
+      (7, '2026-09-01', 'service', 'steam', 800, 8),
+      (7, '2026-09-01', 'asn', '15169', 900, 9),
+      (7, '2026-09-01', 'asn', 'other', 100, 1)
+  `)
+  const monthly = getFlowMonthly("2026-09", 7)
+  assert.equal(monthly.bytes, 1500)
+  assert.equal(monthly.countries[0]?.id, "US")
+  assert.equal(monthly.countries[0]?.bytes, 1500)
+  assert.ok(monthly.asns.some((row) => row.id === "other"))
+  sqliteDatabase.prepare(`DELETE FROM flow_daily_dims WHERE server_id = 7 AND day LIKE '2026-09-%'`).run()
+}
+
+{
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+  disableRipeEnqueueForTests()
+  rememberServerIfaces(7, [
+    { ".id": "*2", name: "gre-client" },
+    { ".id": "*3", name: "NSK-SERVHOST-RTK" },
+    { ".id": "*4", name: "gre-en-nsk" },
+  ])
+  const topo: FlowTopology = {
+    clientIfaces: new Map([[7, new Set(["gre-client"])]]),
+    clientByIface: new Map([["7|gre-client", {
+      userId: "u1",
+      login: "alice",
+      name: "Alice",
+      serverId: 7,
+      interfaceName: "gre-client",
+    }]]),
+    enNodes: [{ id: 9, name: "NSK-SERVHOST-RTK", hosts: ["198.51.100.1"] }],
+    enHosts: new Set(["198.51.100.1"]),
+    jhHosts: new Set(["203.0.113.10"]),
+    wanIfaces: new Map(),
+    plane: {
+      clientIfaceNames: new Set(["gre-client"]),
+      enHosts: new Set(["198.51.100.1"]),
+      jhHosts: new Set(["203.0.113.10"]),
+    },
+  }
+  seedFlowTopologyForTests(topo)
+  seedRipeCacheForTests({
+    prefix: "173.194.0.0/16",
+    asn: 15169,
+    country: "US",
+    lat: null,
+    lng: null,
+    holder: "GOOGLE",
+    ok: true,
+    fetchedAt: Date.now(),
+  })
+  ingestParsedFlowsForServerForTests(7, [
+    {
+      src: "10.100.1.17",
+      dst: "173.194.160.163",
+      proto: 6,
+      srcPort: 51234,
+      dstPort: 443,
+      bytes: 12_000,
+      packets: 10,
+      inIface: "2",
+      outIface: "3",
+      nextHop: "198.51.100.1",
+    },
+    {
+      src: "203.0.113.10",
+      dst: "198.51.100.1",
+      proto: 47,
+      srcPort: 0,
+      dstPort: 0,
+      bytes: 5_000_000,
+      packets: 4000,
+      inIface: "4",
+      outIface: "4",
+    },
+    {
+      src: "10.100.1.17",
+      dst: "10.100.1.18",
+      proto: 6,
+      srcPort: 50000,
+      dstPort: 443,
+      bytes: 8000,
+      packets: 8,
+      inIface: "2",
+      outIface: "2",
+    },
+  ])
+  try {
+    const def = buildFlowAnalytics({ minutes: 5, serverId: 7 })
+    assert.equal(def.bytes, 12_000)
+    assert.equal(def.bytesPayload, 12_000)
+    assert.equal(def.bytesOverlay, 5_000_000)
+    assert.equal(def.bytesMesh, 8000)
+    assert.equal(def.excludeOverlayApplied, true)
+    assert.equal(def.excludeMeshApplied, true)
+    assert.ok(!def.conversationsList.some((r) => r.proto === 47))
+    assert.equal(def.conversationsList[0]?.service, "Google")
+    assert.equal(def.conversationsList[0]?.category, "Веб")
+    assert.equal(def.conversationsList[0]?.clientName, "Alice")
+    assert.equal(def.conversationsList[0]?.enName, "NSK-SERVHOST-RTK")
+    assert.equal(def.conversationsList[0]?.plane, "payload")
+    const path = def.paths?.[0]
+    assert.ok(path)
+    assert.equal(path.clientName, "Alice")
+    assert.equal(path.enName, "NSK-SERVHOST-RTK")
+    assert.equal(path.dst, "173.194.160.163")
+    const withAll = buildFlowAnalytics({ minutes: 5, serverId: 7, excludeOverlay: false, excludeMesh: false })
+    assert.equal(withAll.bytes, 12_000 + 5_000_000 + 8000)
+    assert.ok(withAll.conversationsList.some((r) => r.plane === "overlay"))
+    assert.ok(withAll.conversationsList.some((r) => r.plane === "client_mesh"))
+  } finally {
+    seedFlowTopologyForTests(null)
+    resetFlowRingsForTests()
+    resetIfaceCacheForTests()
+    resetRipeCacheForTests()
+    resetFlowCatalogForTests()
+  }
+}
+
+{
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  disableRipeEnqueueForTests()
+  rememberServerIfaces(7, [{ ".id": "*2", name: "ether1" }])
+  ingestParsedFlowsForServerForTests(7, [
+    {
+      src: "173.194.151.65",
+      dst: "10.200.100.53",
+      proto: 6,
+      srcPort: 443,
+      dstPort: 57182,
+      bytes: 12_000,
+      packets: 10,
+      inIface: "2",
+      outIface: "2",
+    },
+    {
+      src: "104.18.35.51",
+      dst: "10.200.100.53",
+      proto: 6,
+      srcPort: 443,
+      dstPort: 53880,
+      bytes: 3_000,
+      packets: 4,
+      inIface: "2",
+      outIface: "2",
+    },
+  ])
+  try {
+    const rev = buildFlowAnalytics({ minutes: 5, serverId: 7 })
+    const google = rev.conversationsList.find((r) => r.src === "173.194.151.65")
+    const cf = rev.conversationsList.find((r) => r.src === "104.18.35.51")
+    assert.equal(google?.service, "Google")
+    assert.equal(google?.category, "Веб")
+    assert.equal(cf?.service, "Cloudflare")
+    assert.equal(cf?.category, "CDN")
+  } finally {
+    resetFlowRingsForTests()
+    resetIfaceCacheForTests()
+    resetRipeCacheForTests()
+  }
+}
+
+{
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  const sidRow = sqliteDatabase.prepare(`SELECT id FROM servers LIMIT 1`).get() as { id?: number } | undefined
+  if (sidRow?.id) {
+    const sid = sidRow.id
+    rememberServerIfaces(sid, [{ ".id": "*4", name: "gre-en-nsk" }])
+    ingestParsedFlowsForServerForTests(sid, [{
+      src: "10.100.1.17",
+      dst: "8.8.8.8",
+      proto: 6,
+      srcPort: 1,
+      dstPort: 443,
+      bytes: 100,
+      packets: 1,
+      inIface: "4",
+      outIface: "4",
+    }])
+    sqliteDatabase.prepare(`
+      INSERT INTO traffic_samples (server_id, interface_name, sampled_at, rx_bytes, tx_bytes, rx_bps, tx_bps)
+      VALUES (?, 'gre-en-nsk', datetime('now'), 9000000, 1000000, 40000000, 2000000)
+    `).run(sid)
+    try {
+      const wire = buildFlowAnalytics({ minutes: 5, serverId: sid })
+      assert.ok((wire.bpsWire ?? 0) >= 40_000_000)
+      assert.notEqual(wire.bpsWire, (wire.bytes * 8) / 300)
+    } finally {
+      sqliteDatabase.prepare(`DELETE FROM traffic_samples WHERE server_id = ? AND interface_name = 'gre-en-nsk'`).run(sid)
+    }
+  }
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+}
+
+console.log("traffic-flow-analytics.test.ts: ok")

backend/src/services/traffic-flow-analytics.ts

@@ -0,0 +1,696 @@
+import { eq } from "drizzle-orm"
+import { db, sqliteDatabase } from "../db/index.js"
+import { appUsers, userInterfaceBindings } from "../db/schema.js"
+import type {
+  FlowAnalyticsDto,
+  FlowBreakdownRow,
+  FlowClientsDto,
+  FlowEntityCard,
+  FlowExportersDto,
+  FlowMapEdge,
+  FlowMonthlyDto,
+  FlowPathRow,
+  FlowTalkerDto,
+} from "@mmapp/contracts/traffic-flow"
+import { protoName } from "./traffic-flow-parse.js"
+import {
+  getFlowListenerState,
+  getFlowRuntimeCounters,
+  getFlowWorkerHealth,
+  getRingMbps,
+  listFlowRowsForWindow,
+  type PendingFlowRow,
+} from "./traffic-flow-ingest.js"
+import { flowDataEpoch, MAX_PENDING, RING_OVERLAY } from "./traffic-flow-engine.js"
+import { resolveIfaceName } from "./traffic-flow-ifaces.js"
+import { getTrafficFlowSettingsRow, listHostPeers } from "./traffic-flow-settings.js"
+import { applicationName, flowRowMatchesFilter } from "./traffic-flow-apps.js"
+import { dedupFlowRowsMaxBytes, flowTupleKey } from "./traffic-flow-dedup.js"
+import { enqueueRipeMisses, lookupRipeCached } from "./traffic-flow-ripe.js"
+import { classifyFlowDst, refreshFlowCatalogInBackground } from "./traffic-flow-classify.js"
+import { isIsoCountry } from "./traffic-flow-brands.js"
+import { classifyFlowPlane, flowBps, shouldKeepPlane } from "./traffic-flow-planes.js"
+import { pickInternetPeer } from "./traffic-flow-ip.js"
+import {
+  enGreIfaceNames,
+  getServerCatalog,
+  latestWireBps,
+  loadFlowTopology,
+  resolveClient,
+  resolveEn,
+} from "./traffic-flow-topology.js"
+
+export const LIVE_ANALYTICS_MINUTES = 5
+const LIVE_DEGRADED_PENDING = Math.floor(MAX_PENDING * 0.8)
+
+export interface FlowAnalyticsQuery {
+  minutes: number
+  serverId?: number
+  userId?: string
+  iface?: string
+  /** Default true: один 5-tuple = max байт по ifaces. */
+  dedup?: boolean
+  /** Default true: скрыть GRE/WG между клиентами JH. */
+  excludeMesh?: boolean
+  /** Default true: скрыть overlay GRE/ESP JH↔EN из payload KPI. */
+  excludeOverlay?: boolean
+  skipHeavy?: boolean
+}
+
+function bpsToMbps(bps: number): number {
+  return bps / 1_000_000
+}
+
+function topN(
+  map: Map<string, { bytes: number; packets: number; label?: string }>,
+  windowSec: number,
+  n: number,
+): FlowBreakdownRow[] {
+  const total = [...map.values()].reduce((a, v) => a + v.bytes, 0) || 1
+  return [...map.entries()]
+    .sort((a, b) => b[1].bytes - a[1].bytes)
+    .slice(0, n)
+    .map(([id, v]) => ({
+      id,
+      label: v.label || id,
+      bytes: v.bytes,
+      packets: v.packets,
+      bps: (v.bytes * 8) / windowSec,
+      percent: (v.bytes / total) * 100,
+    }))
+}
+
+function bump(
+  map: Map<string, { bytes: number; packets: number; label?: string }>,
+  id: string,
+  bytes: number,
+  packets: number,
+  label?: string,
+) {
+  const prev = map.get(id) ?? { bytes: 0, packets: 0, label }
+  prev.bytes += bytes
+  prev.packets += packets
+  if (label) prev.label = label
+  map.set(id, prev)
+}
+
+function userIfaceAllow(userId: string): Map<number, Set<string>> | null {
+  if (!userId) return null
+  const binds = db.select().from(userInterfaceBindings).where(eq(userInterfaceBindings.userId, userId)).all()
+  const allow = new Map<number, Set<string>>()
+  for (const b of binds) {
+    const set = allow.get(b.serverId) ?? new Set<string>()
+    set.add(b.interfaceName)
+    allow.set(b.serverId, set)
+  }
+  return allow
+}
+
+function seriesFromRows(rows: PendingFlowRow[], minutes: number): { rx: number[]; tx: number[] } {
+  const slots = Math.min(60, Math.max(5, minutes))
+  const slotMs = (minutes * 60_000) / slots
+  const start = Date.now() - minutes * 60_000
+  const rx = Array(slots).fill(0) as number[]
+  const tx = Array(slots).fill(0) as number[]
+  for (const r of rows) {
+    const t = Date.parse(r.bucketAt)
+    if (!Number.isFinite(t)) continue
+    const idx = Math.min(slots - 1, Math.max(0, Math.floor((t - start) / slotMs)))
+    rx[idx] += r.bytes
+  }
+  const slotSec = Math.max(1, slotMs / 1000)
+  return {
+    rx: rx.map((b) => bpsToMbps((b * 8) / slotSec)),
+    tx,
+  }
+}
+
+function snapshotStatus(serverId: number): FlowEntityCard["status"] {
+  void serverId
+  return "online"
+}
+
+function topLabel(map: Map<string, { bytes: number; packets: number; label?: string }>, fallback = "—"): string {
+  let best = fallback
+  let bestBytes = 0
+  for (const [id, v] of map) {
+    if (v.bytes > bestBytes) {
+      bestBytes = v.bytes
+      best = v.label || id
+    }
+  }
+  return best
+}
+
+export function buildFlowAnalytics(q: FlowAnalyticsQuery): FlowAnalyticsDto {
+  const key = analyticsQueryKey(q)
+  const now = Date.now()
+  if (analyticsCache && analyticsCache.key === key && now - analyticsCache.at < ANALYTICS_CACHE_TTL_MS) {
+    return analyticsCache.dto
+  }
+  const dto = buildFlowAnalyticsUncached(q)
+  analyticsCache = { key, at: now, dto }
+  return dto
+}
+
+export function resetFlowAnalyticsCacheForTests(): void {
+  analyticsCache = null
+}
+
+function analyticsQueryKey(q: FlowAnalyticsQuery): string {
+  return JSON.stringify({
+    epoch: flowDataEpoch(),
+    minutes: q.minutes,
+    serverId: q.serverId ?? null,
+    userId: q.userId ?? null,
+    iface: q.iface ?? null,
+    dedup: q.dedup !== false,
+    excludeMesh: q.excludeMesh !== false,
+    excludeOverlay: q.excludeOverlay !== false,
+    skipHeavy: Boolean(q.skipHeavy),
+  })
+}
+
+const ANALYTICS_CACHE_TTL_MS = 2000
+let analyticsCache: { key: string; at: number; dto: FlowAnalyticsDto } | null = null
+
+function buildFlowAnalyticsUncached(q: FlowAnalyticsQuery): FlowAnalyticsDto {
+  const settings = getTrafficFlowSettingsRow()
+  const top = Math.min(50, Math.max(10, settings.topN))
+  const windowSec = Math.max(60, q.minutes * 60)
+  const raw = listFlowRowsForWindow(q.minutes)
+  const allow = q.userId ? userIfaceAllow(q.userId) : null
+  const catalog = getServerCatalog()
+  const nameById = new Map([...catalog.byId].map(([id, s]) => [id, s.name]))
+  const countryById = new Map([...catalog.byId].map(([id, s]) => [id, s.country]))
+  const ifaceFilter = q.iface && q.iface !== "__all__" ? q.iface : ""
+  const wantDedup = q.dedup !== false && !ifaceFilter
+  const excludeMesh = q.excludeMesh !== false
+  const excludeOverlay = q.excludeOverlay !== false
+  const topo = loadFlowTopology()
+
+  refreshFlowCatalogInBackground()
+
+  const applications = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const protocols = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const sources = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const destinations = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const ifacesMap = new Map<string, { bytes: number; packets: number; index: string }>()
+  const asns = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const countries = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const categories = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const services = new Map<string, { bytes: number; packets: number; label?: string }>()
+  const conv = new Map<string, FlowTalkerDto & { rawBytes: number; flowStartMs: number; flowEndMs: number }>()
+  const edgeAcc = new Map<string, FlowMapEdge & { catBytes: Map<string, number> }>()
+  const pathAcc = new Map<string, FlowPathRow>()
+  const srcs = new Set<string>()
+  const dsts = new Set<string>()
+  const peers = new Set<string>()
+  const matched: PendingFlowRow[] = []
+  const skipHeavy = Boolean(q.skipHeavy)
+  let bytesPayload = 0
+  let bytesOverlay = 0
+  let bytesMesh = 0
+  const ifacesForWire = new Set<string>()
+
+  for (const r of raw) {
+    const resolved = resolveIfaceName(r.serverId, r.inIface)
+    const outResolved = resolveIfaceName(r.serverId, r.outIface)
+    if (!flowRowMatchesFilter(r, resolved.name, q, allow)) continue
+    ifacesForWire.add(resolved.name)
+    if (outResolved.name && outResolved.name !== "—") ifacesForWire.add(outResolved.name)
+    const plane = classifyFlowPlane({
+      src: r.src,
+      dst: r.dst,
+      proto: r.proto,
+      srcPort: r.srcPort,
+      dstPort: r.dstPort,
+      inIface: resolved.name,
+      outIface: outResolved.name,
+    }, topo.plane)
+    if (plane === "payload") bytesPayload += r.bytes
+    else if (plane === "overlay") bytesOverlay += r.bytes
+    else if (plane === "client_mesh") bytesMesh += r.bytes
+    if (!shouldKeepPlane(plane, { excludeMesh, excludeOverlay })) continue
+    matched.push(r)
+
+    const ifaceKey = resolved.name
+    const prevIf = ifacesMap.get(ifaceKey) ?? { bytes: 0, packets: 0, index: resolved.index }
+    prevIf.bytes += r.bytes
+    prevIf.packets += r.packets
+    ifacesMap.set(ifaceKey, prevIf)
+  }
+
+  const working = wantDedup ? dedupFlowRowsMaxBytes(matched) : matched
+  const conversationsRaw = new Set(matched.map((r) => `${flowTupleKey(r)}|${r.inIface}`)).size
+
+  let totalBytes = 0
+  let totalPackets = 0
+  for (const r of working) {
+    const resolved = resolveIfaceName(r.serverId, r.inIface)
+    totalBytes += r.bytes
+    totalPackets += r.packets
+    srcs.add(r.src)
+    dsts.add(r.dst)
+    const peer = pickInternetPeer(r.src, r.dst, r.srcPort, r.dstPort)
+    peers.add(peer)
+    const app = applicationName(r.proto, r.dstPort, r.srcPort)
+    const ripe = lookupRipeCached(peer)
+    const classified = classifyFlowDst(peer, r.proto, r.dstPort, r.srcPort, ripe)
+    bump(applications, app, r.bytes, r.packets)
+    bump(protocols, protoName(r.proto), r.bytes, r.packets)
+    bump(sources, r.src, r.bytes, r.packets)
+    bump(destinations, r.dst, r.bytes, r.packets)
+    bump(categories, classified.category, r.bytes, r.packets)
+    bump(services, classified.service, r.bytes, r.packets)
+    if (ripe?.ok && ripe.asn) {
+      const asnId = String(ripe.asn)
+      const asnLabel = ripe.holder ? `AS${ripe.asn} ${ripe.holder}` : `AS${ripe.asn}`
+      bump(asns, asnId, r.bytes, r.packets, asnLabel)
+    }
+    const dstCountry = ripe?.ok && isIsoCountry(ripe.country) ? ripe.country : ""
+    if (dstCountry) {
+      bump(countries, dstCountry, r.bytes, r.packets)
+    }
+
+    if (!skipHeavy) {
+      const outResolved = resolveIfaceName(r.serverId, r.outIface)
+      const plane = classifyFlowPlane({
+        src: r.src,
+        dst: r.dst,
+        proto: r.proto,
+        srcPort: r.srcPort,
+        dstPort: r.dstPort,
+        inIface: resolved.name,
+        outIface: outResolved.name,
+      }, topo.plane)
+      const client = resolveClient(topo, r.serverId, resolved.name)
+      const en = resolveEn(topo, r.nextHop, outResolved.name)
+      const ckey = wantDedup
+        ? flowTupleKey(r)
+        : `${flowTupleKey(r)}|${r.inIface}`
+      const prev = conv.get(ckey)
+      if (prev) {
+        prev.rawBytes += r.bytes
+        prev.bytes += r.bytes
+        prev.packets += r.packets
+        if (r.flowStartMs && (!prev.flowStartMs || r.flowStartMs < prev.flowStartMs)) prev.flowStartMs = r.flowStartMs
+        if (r.flowEndMs > prev.flowEndMs) prev.flowEndMs = r.flowEndMs
+      } else {
+        conv.set(ckey, {
+          serverId: String(r.serverId),
+          serverName: nameById.get(r.serverId) ?? String(r.serverId),
+          src: r.src,
+          dst: r.dst,
+          proto: r.proto,
+          protoName: protoName(r.proto),
+          srcPort: r.srcPort,
+          dstPort: r.dstPort,
+          bytes: r.bytes,
+          packets: r.packets,
+          bps: 0,
+          inIface: resolved.name,
+          inIfaceIndex: resolved.index,
+          outIface: outResolved.name !== "—" ? outResolved.name : undefined,
+          nextHop: r.nextHop || undefined,
+          application: app,
+          category: classified.category,
+          service: classified.service,
+          dstCountry: dstCountry || undefined,
+          dstAsn: ripe?.asn || undefined,
+          clientId: client?.userId,
+          clientName: client?.name,
+          enId: en ? String(en.id) : undefined,
+          enName: en?.name,
+          plane,
+          rawBytes: r.bytes,
+          flowStartMs: r.flowStartMs ?? 0,
+          flowEndMs: r.flowEndMs ?? 0,
+        })
+      }
+
+      const pathKey = `${client?.userId || "unknown"}|${r.serverId}|${en?.id || ""}|${r.dst}|${resolved.name}`
+      const pathPrev = pathAcc.get(pathKey)
+      if (pathPrev) {
+        pathPrev.bytes += r.bytes
+        pathPrev.packets += r.packets
+      } else {
+        pathAcc.set(pathKey, {
+          id: pathKey,
+          clientId: client?.userId || "unknown",
+          clientName: client?.name || "Неизвестный клиент",
+          ifaces: client ? [...(topo.clientIfaces.get(r.serverId) ?? [resolved.name])].join(", ") : resolved.name,
+          serverId: String(r.serverId),
+          serverName: nameById.get(r.serverId) ?? String(r.serverId),
+          inIface: resolved.name,
+          outIface: outResolved.name !== "—" ? outResolved.name : "",
+          enId: en ? String(en.id) : "",
+          enName: en?.name || "",
+          dst: r.dst,
+          service: classified.service,
+          category: classified.category,
+          plane,
+          bytes: r.bytes,
+          packets: r.packets,
+          bps: 0,
+        })
+      }
+
+      const toCountry = dstCountry
+      if (toCountry) {
+        const fromCountry = countryById.get(r.serverId) || "UN"
+        const ekey = `${r.serverId}|${toCountry}`
+        let edge = edgeAcc.get(ekey)
+        if (!edge) {
+          edge = {
+            fromId: String(r.serverId),
+            fromLabel: nameById.get(r.serverId) ?? String(r.serverId),
+            fromCountry,
+            toCountry,
+            toAsn: ripe?.asn ?? 0,
+            category: classified.category,
+            bytes: 0,
+            bps: 0,
+            catBytes: new Map(),
+          }
+          edgeAcc.set(ekey, edge)
+        }
+        edge.bytes += r.bytes
+        if (ripe?.asn) edge.toAsn = ripe.asn
+        edge.catBytes.set(classified.category, (edge.catBytes.get(classified.category) ?? 0) + r.bytes)
+      }
+    }
+  }
+
+  enqueueRipeMisses(peers)
+
+  const conversationsList = [...conv.values()]
+    .map((t) => {
+      const { rawBytes, flowStartMs, flowEndMs, ...rest } = t
+      return { ...rest, bps: flowBps(rawBytes, flowStartMs, flowEndMs, windowSec) }
+    })
+    .sort((a, b) => b.bytes - a.bytes)
+    .slice(0, top)
+
+  const paths: FlowPathRow[] = [...pathAcc.values()]
+    .map((p) => ({ ...p, bps: (p.bytes * 8) / windowSec }))
+    .sort((a, b) => b.bytes - a.bytes)
+    .slice(0, top)
+
+  const topProto = topLabel(protocols)
+  const topCategory = topLabel(categories)
+
+  const ringServer = q.serverId ?? (matched[0]?.serverId ?? 0)
+  const ring = ringServer
+    ? getRingMbps(ringServer, ifaceFilter === "" ? "__all__" : (ifacesMap.get(ifaceFilter)?.index || ifaceFilter))
+    : { rx: Array(60).fill(0) as number[], tx: Array(60).fill(0) as number[], rxNow: 0, txNow: 0 }
+
+  const fromBuckets = seriesFromRows(matched, q.minutes)
+  const rxSeries = q.minutes <= 15 ? ring.rx : fromBuckets.rx
+  const txSeries = q.minutes <= 15 ? ring.tx : fromBuckets.tx
+
+  const ifaceRows = [...ifacesMap.entries()]
+    .sort((a, b) => b[1].bytes - a[1].bytes)
+    .map(([name, v]) => ({
+      name,
+      index: v.index,
+      bps: (v.bytes * 8) / windowSec,
+    }))
+
+  const ifaceRawBytes = [...ifacesMap.values()].reduce((a, v) => a + v.bytes, 0) || 1
+  const listener = getFlowListenerState()
+  const mapEdges: FlowMapEdge[] = [...edgeAcc.values()]
+    .map((e) => {
+      let cat = e.category
+      let catBest = 0
+      for (const [label, bytes] of e.catBytes) {
+        if (bytes > catBest) {
+          catBest = bytes
+          cat = label
+        }
+      }
+      return {
+        fromId: e.fromId,
+        fromLabel: e.fromLabel,
+        fromCountry: e.fromCountry,
+        toCountry: e.toCountry,
+        toAsn: e.toAsn,
+        category: cat,
+        bytes: e.bytes,
+        bps: (e.bytes * 8) / windowSec,
+      }
+    })
+    .sort((a, b) => b.bytes - a.bytes)
+    .slice(0, top)
+
+  const overlayRing = ringServer
+    ? getRingMbps(ringServer, RING_OVERLAY)
+    : { rxNow: 0, txNow: 0 }
+  const greNames = ringServer ? enGreIfaceNames(topo, ringServer, [...ifacesForWire]) : []
+  const wire = ringServer ? latestWireBps(ringServer, greNames) : { bps: 0, bytes: 0 }
+
+  return {
+    bpsNow: (ring.rxNow + ring.txNow) * 1_000_000 || (totalBytes * 8) / windowSec,
+    bytes: totalBytes,
+    packets: totalPackets,
+    conversations: conv.size,
+    conversationsRaw,
+    uniqueSrc: srcs.size,
+    uniqueDst: dsts.size,
+    topProto,
+    topCategory,
+    rxSeries,
+    txSeries,
+    applications: topN(applications, windowSec, top),
+    protocols: topN(protocols, windowSec, top),
+    sources: topN(sources, windowSec, top),
+    destinations: topN(destinations, windowSec, top),
+    interfaces: [...ifacesMap.entries()].map(([label, v]) => ({
+      id: label,
+      label,
+      bytes: v.bytes,
+      packets: v.packets,
+      bps: (v.bytes * 8) / windowSec,
+      percent: (v.bytes / ifaceRawBytes) * 100,
+    })).sort((a, b) => b.bytes - a.bytes),
+    asns: topN(asns, windowSec, top),
+    countries: topN(countries, windowSec, top),
+    categories: topN(categories, windowSec, top),
+    services: topN(services, windowSec, top),
+    mapEdges,
+    conversationsList,
+    paths,
+    ifaces: ifaceRows,
+    live: listener.bound,
+    dedupApplied: wantDedup,
+    degraded: skipHeavy,
+    bytesPayload,
+    bytesOverlay,
+    bytesMesh,
+    bytesWire: wire.bytes,
+    bpsOverlay: (overlayRing.rxNow + overlayRing.txNow) * 1_000_000 || (bytesOverlay * 8) / windowSec,
+    bpsWire: wire.bps,
+    excludeMeshApplied: excludeMesh,
+    excludeOverlayApplied: excludeOverlay,
+  }
+}
+
+function summarizeByServer(rows: PendingFlowRow[]) {
+  const bytes = new Map<number, number>()
+  const sessions = new Map<number, number>()
+  for (const r of rows) {
+    bytes.set(r.serverId, (bytes.get(r.serverId) ?? 0) + r.bytes)
+    sessions.set(r.serverId, (sessions.get(r.serverId) ?? 0) + 1)
+  }
+  return { bytes, sessions }
+}
+
+export function listFlowExporters(minutes: number): FlowExportersDto {
+  const runtime = getFlowRuntimeCounters()
+  const rows = listFlowRowsForWindow(minutes)
+  const { bytes, sessions } = summarizeByServer(rows)
+  const ids = new Set<number>([...bytes.keys()])
+  for (const p of listHostPeers()) ids.add(p.serverId)
+  const catalog = getServerCatalog()
+  const emptySeries = Array(60).fill(0) as number[]
+  const exporters = catalog.list
+    .filter((s) => ids.has(s.id))
+    .map((s) => {
+      const ring = getRingMbps(s.id, "__all__")
+      const total = bytes.get(s.id) ?? 0
+      return {
+        id: String(s.id),
+        name: s.name,
+        subtitle: s.host,
+        site: s.site,
+        country: s.country,
+        status: snapshotStatus(s.id),
+        rxNow: ring.rxNow || (total * 8) / Math.max(60, minutes * 60) / 1_000_000,
+        txNow: ring.txNow,
+        sessions: sessions.get(s.id) ?? 0,
+        rxSeries: ring.rx.some((v) => v > 0) ? ring.rx : emptySeries,
+        txSeries: ring.tx,
+        bytes: total,
+      } satisfies FlowEntityCard
+    })
+    .sort((a, b) => b.rxNow - a.rxNow)
+  const listener = getFlowListenerState()
+  return {
+    exporters,
+    lastExporterIp: runtime.lastExporterIp,
+    lastError: runtime.lastError,
+    packetsReceived: runtime.packetsReceived,
+    lastDatagramAt: runtime.lastDatagramAt,
+    listenerBound: listener.bound,
+    listenerAddress: listener.address,
+  }
+}
+
+export function listFlowClients(minutes: number): FlowClientsDto {
+  const users = db.select().from(appUsers).all()
+  const binds = db.select().from(userInterfaceBindings).all()
+  const byUser = new Map<string, typeof binds>()
+  for (const b of binds) {
+    const list = byUser.get(b.userId) ?? []
+    list.push(b)
+    byUser.set(b.userId, list)
+  }
+  const rows = listFlowRowsForWindow(minutes)
+  const emptySeries = Array(60).fill(0) as number[]
+  const windowSec = Math.max(60, minutes * 60)
+  const clients: FlowEntityCard[] = []
+  for (const u of users) {
+    const userBinds = byUser.get(u.id) ?? []
+    if (userBinds.length === 0) continue
+    const allow = new Map<number, Set<string>>()
+    for (const b of userBinds) {
+      const set = allow.get(b.serverId) ?? new Set<string>()
+      set.add(b.interfaceName)
+      allow.set(b.serverId, set)
+    }
+    let total = 0
+    let sessions = 0
+    for (const r of rows) {
+      const resolved = resolveIfaceName(r.serverId, r.inIface)
+      const names = allow.get(r.serverId)
+      if (!names) continue
+      if (!names.has(resolved.name) && !names.has(r.inIface)) continue
+      total += r.bytes
+      sessions += 1
+    }
+    const firstServer = userBinds[0]?.serverId
+    const ring = firstServer ? getRingMbps(firstServer, "__all__") : { rx: emptySeries, tx: emptySeries, rxNow: 0, txNow: 0 }
+    clients.push({
+      id: u.id,
+      name: u.login,
+      subtitle: u.name || u.login,
+      site: `${userBinds.length} ifaces`,
+      country: "UN",
+      status: u.active ? "online" : "offline",
+      rxNow: (total * 8) / windowSec / 1_000_000 || ring.rxNow,
+      txNow: ring.txNow,
+      sessions,
+      rxSeries: ring.rx.some((v) => v > 0) ? ring.rx : emptySeries,
+      txSeries: ring.tx,
+      bytes: total,
+    })
+  }
+  clients.sort((a, b) => b.rxNow - a.rxNow)
+  return { clients }
+}
+
+export function formatLiveSseFromBuilder(build: () => unknown): { event: "sample" | "error"; data: unknown } {
+  try {
+    return { event: "sample", data: build() }
+  } catch (err) {
+    const message = err instanceof Error ? err.message : String(err)
+    return { event: "error", data: { error: message } }
+  }
+}
+
+export function isFlowAnalyticsDegraded(): boolean {
+  const health = getFlowWorkerHealth()
+  return health.pendingSize >= LIVE_DEGRADED_PENDING
+}
+
+export function safeBuildLiveFlowSample(q: Omit<FlowAnalyticsQuery, "minutes" | "skipHeavy">): {
+  event: "sample" | "error"
+  data: unknown
+} {
+  return formatLiveSseFromBuilder(() => {
+    const skipHeavy = isFlowAnalyticsDegraded()
+    return buildFlowAnalytics({ ...q, minutes: LIVE_ANALYTICS_MINUTES, skipHeavy })
+  })
+}
+
+function monthBounds(month: string): { start: string; end: string } | null {
+  if (!/^\d{4}-\d{2}$/.test(month)) return null
+  const [yearRaw, monthRaw] = month.split("-")
+  const year = Number(yearRaw)
+  const monthIdx = Number(monthRaw)
+  if (!Number.isFinite(year) || monthIdx < 1 || monthIdx > 12) return null
+  const start = `${month}-01`
+  const endDate = new Date(Date.UTC(year, monthIdx, 1))
+  const end = endDate.toISOString().slice(0, 10)
+  return { start, end }
+}
+
+function toBreakdown(
+  rows: Array<{ key: string; bytes: number; packets: number }>,
+  totalBytes: number,
+  windowSec: number,
+): FlowBreakdownRow[] {
+  const denom = totalBytes || 1
+  return rows
+    .sort((a, b) => b.bytes - a.bytes)
+    .map((r) => ({
+      id: r.key,
+      label: r.key,
+      bytes: r.bytes,
+      packets: r.packets,
+      bps: (r.bytes * 8) / windowSec,
+      percent: (r.bytes / denom) * 100,
+    }))
+}
+
+export function getFlowMonthly(month: string, serverId?: number): FlowMonthlyDto {
+  const bounds = monthBounds(month)
+  if (!bounds) {
+    return { month, bytes: 0, countries: [], services: [], asns: [] }
+  }
+  const params: Array<string | number> = [bounds.start, bounds.end]
+  let where = "day >= ? AND day < ? AND dim IN ('country', 'service', 'asn')"
+  if (serverId != null) {
+    where += " AND server_id = ?"
+    params.push(serverId)
+  }
+  const rows = sqliteDatabase.prepare(`
+    SELECT dim AS dim, key AS key, SUM(bytes) AS bytes, SUM(packets) AS packets
+    FROM flow_daily_dims
+    WHERE ${where}
+    GROUP BY dim, key
+  `).all(...params) as Array<{ dim: string; key: string; bytes: number; packets: number }>
+
+  const countries: Array<{ key: string; bytes: number; packets: number }> = []
+  const services: Array<{ key: string; bytes: number; packets: number }> = []
+  const asns: Array<{ key: string; bytes: number; packets: number }> = []
+  let bytes = 0
+  for (const row of rows) {
+    const rec = { key: row.key, bytes: Number(row.bytes) || 0, packets: Number(row.packets) || 0 }
+    if (row.dim === "country") {
+      countries.push(rec)
+      bytes += rec.bytes
+    } else if (row.dim === "service") services.push(rec)
+    else if (row.dim === "asn") asns.push(rec)
+  }
+  const daysInMonth = Math.max(1, Math.round((Date.parse(`${bounds.end}T00:00:00Z`) - Date.parse(`${bounds.start}T00:00:00Z`)) / 86_400_000))
+  const windowSec = daysInMonth * 86_400
+  const countryTotal = countries.reduce((a, r) => a + r.bytes, 0) || bytes || 1
+  return {
+    month,
+    bytes,
+    countries: toBreakdown(countries, countryTotal, windowSec),
+    services: toBreakdown(services, services.reduce((a, r) => a + r.bytes, 0) || 1, windowSec),
+    asns: toBreakdown(asns, asns.reduce((a, r) => a + r.bytes, 0) || 1, windowSec),
+  }
+}

backend/src/services/traffic-flow-apps.ts

@@ -0,0 +1,85 @@
+import { protoName } from "./traffic-flow-parse.js"
+
+const WELL_KNOWN: Record<string, string> = {
+  "6:80": "HTTP",
+  "6:443": "HTTPS",
+  "6:8080": "HTTP-alt",
+  "6:8443": "HTTPS-alt",
+  "6:22": "SSH",
+  "6:21": "FTP",
+  "6:25": "SMTP",
+  "6:110": "POP3",
+  "6:143": "IMAP",
+  "6:993": "IMAPS",
+  "6:995": "POP3S",
+  "6:587": "SMTP",
+  "6:465": "SMTPS",
+  "6:3306": "MySQL",
+  "6:5432": "PostgreSQL",
+  "6:6379": "Redis",
+  "6:3389": "RDP",
+  "6:445": "SMB",
+  "6:139": "NetBIOS",
+  "6:179": "BGP",
+  "6:8291": "WinBox",
+  "6:8728": "ROS-API",
+  "6:8729": "ROS-API-SSL",
+  "17:53": "DNS",
+  "6:53": "DNS",
+  "17:123": "NTP",
+  "17:161": "SNMP",
+  "17:162": "SNMP-trap",
+  "17:500": "IKE",
+  "17:4500": "NAT-T",
+  "17:1194": "OpenVPN",
+  "17:443": "QUIC",
+  "17:853": "DNS",
+  "6:853": "DNS",
+  "17:51820": "WireGuard",
+  "17:13232": "WireGuard",
+  "17:51821": "WireGuard",
+  "17:4789": "VXLAN",
+  "17:4739": "IPFIX",
+  "17:2055": "NetFlow",
+  "17:67": "DHCP",
+  "17:68": "DHCP",
+  "17:69": "TFTP",
+  "17:1812": "RADIUS",
+  "1:0": "ICMP",
+  "47:0": "GRE",
+  "50:0": "ESP",
+  "89:0": "OSPF",
+}
+
+export function applicationName(proto: number, dstPort: number, srcPort = 0): string {
+  if (proto === 1) return "ICMP"
+  if (proto === 47) return "GRE"
+  if (proto === 50) return "ESP"
+  if (proto === 89) return "OSPF"
+  if (proto === 17 && (dstPort === 443 || srcPort === 443)) return "QUIC"
+  const dstKey = `${proto}:${dstPort}`
+  const srcKey = `${proto}:${srcPort}`
+  return WELL_KNOWN[dstKey] ?? WELL_KNOWN[srcKey] ?? `${protoName(proto)}/${dstPort || srcPort || "—"}`
+}
+
+export interface FlowMatchQuery {
+  serverId?: number
+  userId?: string
+  iface?: string
+}
+
+export function flowRowMatchesFilter(
+  row: { serverId: number; inIface: string },
+  resolvedName: string,
+  q: FlowMatchQuery,
+  allow: Map<number, Set<string>> | null,
+): boolean {
+  if (q.serverId != null && row.serverId !== q.serverId) return false
+  if (allow) {
+    const names = allow.get(row.serverId)
+    if (!names || !names.has(resolvedName)) return false
+  }
+  const iface = q.iface && q.iface !== "__all__" ? q.iface : ""
+  if (iface && resolvedName !== iface && row.inIface !== iface) return false
+  return true
+}

backend/src/services/traffic-flow-brands.test.ts

@@ -0,0 +1,42 @@
+import assert from "node:assert/strict"
+import {
+  brandByAsn,
+  countryFromHolder,
+  lookupBrand,
+  OTHER_SERVICE,
+  isNamedInternetService,
+  mapServiceNodeId,
+  resolveRipeCountry,
+} from "./traffic-flow-brands.js"
+
+assert.equal(resolveRipeCountry("?", 13335, "CLOUDFLARENET, US"), "US")
+assert.equal(resolveRipeCountry("EU", 13335, ""), "US")
+assert.equal(resolveRipeCountry("?", 0, "CLOUDFLARENET, US"), "US")
+assert.equal(countryFromHolder("CLOUDFLARENET, US"), "US")
+assert.equal(resolveRipeCountry("NL", 0, ""), "NL")
+assert.equal(resolveRipeCountry("?", 0, ""), "")
+
+assert.equal(brandByAsn(13335)?.service, "Cloudflare")
+assert.equal(brandByAsn(13335)?.category, "CDN")
+assert.equal(brandByAsn(15169)?.service, "Google")
+assert.equal(brandByAsn(15169)?.category, "Веб")
+assert.equal(lookupBrand("208.65.153.1", 0)?.service, "YouTube")
+assert.equal(brandByAsn(32590)?.service, "Steam")
+assert.equal(brandByAsn(32590)?.category, "Игры")
+assert.equal(brandByAsn(16509)?.service, "AWS")
+assert.equal(brandByAsn(57976)?.service, "Blizzard")
+assert.equal(brandByAsn(401115)?.service, "ChatGPT")
+assert.equal(lookupBrand("1.1.1.1", 13335)?.service, "Cloudflare")
+assert.equal(lookupBrand("104.18.35.51", 0)?.service, "Cloudflare")
+assert.equal(lookupBrand("173.194.151.65", 0)?.service, "Google")
+assert.equal(lookupBrand("8.8.8.8", 0)?.service, "Google")
+assert.equal(lookupBrand("203.0.113.9", 64500), null)
+assert.equal(OTHER_SERVICE, "Прочее")
+assert.equal(isNamedInternetService("Google", "Веб"), true)
+assert.equal(isNamedInternetService("Прочее", "Прочее"), false)
+assert.equal(isNamedInternetService("GRE", "Туннель"), false)
+assert.equal(isNamedInternetService("DNS", "DNS"), false)
+assert.equal(mapServiceNodeId("AWS"), "svc:aws")
+assert.equal(mapServiceNodeId("Cloudflare"), "svc:cloudflare")
+
+console.log("traffic-flow-brands.test.ts: ok")

backend/src/services/traffic-flow-brands.ts

@@ -0,0 +1,148 @@
+import { ipInCidrV4, parseCidrV4 } from "./traffic-flow-ip.js"
+
+export const OTHER_SERVICE = "Прочее"
+
+export interface BrandHit {
+  service: string
+  category: string
+}
+
+const ASN_BRANDS = new Map<number, BrandHit>([
+  [13335, { service: "Cloudflare", category: "CDN" }],
+  [209242, { service: "Cloudflare", category: "CDN" }],
+  [54113, { service: "Fastly", category: "CDN" }],
+  [20940, { service: "Akamai", category: "CDN" }],
+  [16509, { service: "AWS", category: "CDN" }],
+  [14618, { service: "AWS", category: "CDN" }],
+  [8075, { service: "Microsoft", category: "CDN" }],
+  [13238, { service: "Yandex", category: "CDN" }],
+  [32590, { service: "Steam", category: "Игры" }],
+  [57976, { service: "Blizzard", category: "Игры" }],
+  [2906, { service: "Netflix", category: "Видео / стриминг" }],
+  [40027, { service: "Netflix", category: "Видео / стриминг" }],
+  [15169, { service: "Google", category: "Веб" }],
+  [36040, { service: "YouTube", category: "Видео / стриминг" }],
+  [46489, { service: "Twitch", category: "Видео / стриминг" }],
+  [401115, { service: "ChatGPT", category: "ИИ" }],
+  [49544, { service: "Discord", category: "Голос" }],
+  [62041, { service: "Telegram", category: "Голос" }],
+  [59930, { service: "Telegram", category: "Голос" }],
+  [211157, { service: "Telegram", category: "Голос" }],
+  [32934, { service: "Meta", category: "CDN" }],
+  [396986, { service: "TikTok", category: "Видео / стриминг" }],
+])
+
+const ASN_HQ_COUNTRY = new Map<number, string>([
+  [13335, "US"],
+  [209242, "US"],
+  [54113, "US"],
+  [20940, "US"],
+  [16509, "US"],
+  [14618, "US"],
+  [8075, "US"],
+  [15169, "US"],
+  [32590, "US"],
+  [57976, "US"],
+  [2906, "US"],
+  [40027, "US"],
+  [36040, "US"],
+  [46489, "US"],
+  [401115, "US"],
+  [49544, "US"],
+  [32934, "US"],
+  [13238, "RU"],
+  [62041, "NL"],
+  [59930, "NL"],
+  [211157, "NL"],
+])
+
+const GOOGLE: BrandHit = { service: "Google", category: "Веб" }
+const CLOUDFLARE: BrandHit = { service: "Cloudflare", category: "CDN" }
+const YOUTUBE: BrandHit = { service: "YouTube", category: "Видео / стриминг" }
+
+const CIDR_BRANDS: Array<{ cidr: string; prefixLen: number; hit: BrandHit }> = [
+  { cidr: "104.16.0.0/13", prefixLen: 13, hit: CLOUDFLARE },
+  { cidr: "104.24.0.0/14", prefixLen: 14, hit: CLOUDFLARE },
+  { cidr: "172.64.0.0/13", prefixLen: 13, hit: CLOUDFLARE },
+  { cidr: "162.158.0.0/15", prefixLen: 15, hit: CLOUDFLARE },
+  { cidr: "8.8.8.0/24", prefixLen: 24, hit: GOOGLE },
+  { cidr: "8.8.4.0/24", prefixLen: 24, hit: GOOGLE },
+  { cidr: "173.194.0.0/16", prefixLen: 16, hit: GOOGLE },
+  { cidr: "172.217.0.0/16", prefixLen: 16, hit: GOOGLE },
+  { cidr: "74.125.0.0/16", prefixLen: 16, hit: GOOGLE },
+  { cidr: "142.250.0.0/15", prefixLen: 15, hit: GOOGLE },
+  { cidr: "208.65.152.0/22", prefixLen: 22, hit: YOUTUBE },
+  { cidr: "208.117.224.0/19", prefixLen: 19, hit: YOUTUBE },
+].sort((a, b) => b.prefixLen - a.prefixLen)
+
+const NON_ISO = new Set(["EU", "AP", "ZZ", "XX", "A1", "A2", "O1"])
+
+export function isIsoCountry(code: string): boolean {
+  const c = String(code ?? "").trim().toUpperCase()
+  return /^[A-Z]{2}$/.test(c) && !NON_ISO.has(c)
+}
+
+export function normalizeIsoCountry(code: string): string {
+  const c = String(code ?? "").trim().toUpperCase()
+  return isIsoCountry(c) ? c : ""
+}
+
+/** `CLOUDFLARENET, US` → `US`. */
+export function countryFromHolder(holder: string): string {
+  const m = String(holder ?? "").trim().match(/,\s*([A-Za-z]{2})\s*$/)
+  return m?.[1] ? normalizeIsoCountry(m[1]) : ""
+}
+
+export function countryForAsn(asn: number): string {
+  if (!asn) return ""
+  return ASN_HQ_COUNTRY.get(asn) ?? ""
+}
+
+export function resolveRipeCountry(country: string, asn: number, holder: string): string {
+  return normalizeIsoCountry(country) || countryFromHolder(holder) || countryForAsn(asn)
+}
+
+export function brandByAsn(asn: number): BrandHit | null {
+  if (!asn) return null
+  return ASN_BRANDS.get(asn) ?? null
+}
+
+export function brandByCidr(ip: string): BrandHit | null {
+  for (const row of CIDR_BRANDS) {
+    if (parseCidrV4(row.cidr) && ipInCidrV4(ip, row.cidr)) return row.hit
+  }
+  return null
+}
+
+export function lookupBrand(ip: string, asn: number): BrandHit | null {
+  return brandByCidr(ip) || brandByAsn(asn)
+}
+
+const SKIP_MAP_SERVICES = new Set([
+  OTHER_SERVICE,
+  "GRE",
+  "ESP",
+  "WireGuard",
+  "DNS",
+  "SSH",
+  "BGP",
+])
+
+const SKIP_MAP_CATEGORIES = new Set(["Туннель", "DNS", "SSH", "BGP"])
+
+/** Именованный интернет-сервис для карты (не туннель и не «Прочее»). */
+export function isNamedInternetService(service: string, category: string): boolean {
+  const s = service.trim()
+  const c = category.trim()
+  if (!s || SKIP_MAP_SERVICES.has(s) || SKIP_MAP_CATEGORIES.has(c)) return false
+  return true
+}
+
+export function mapServiceNodeId(label: string): string {
+  const slug = label
+    .trim()
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, "-")
+    .replace(/^-+|-+$/g, "")
+  return `svc:${slug || "unknown"}`
+}

backend/src/services/traffic-flow-classify.test.ts

@@ -0,0 +1,64 @@
+import assert from "node:assert/strict"
+import { applicationName } from "./traffic-flow-apps.js"
+import { classifyFlowDst, disableCatalogFetchForTests, resetFlowCatalogForTests, seedFlowCatalogForTests } from "./traffic-flow-classify.js"
+
+disableCatalogFetchForTests()
+resetFlowCatalogForTests()
+seedFlowCatalogForTests({
+  cidrs: [{ cidr: "192.0.2.0/24", purpose: "steam-gaming" }],
+})
+
+const hit = classifyFlowDst("192.0.2.10", 6, 443, 50000, null)
+assert.equal(hit.category, "Игры")
+assert.equal(hit.service, "steam-gaming")
+
+const miss = classifyFlowDst("203.0.113.9", 17, 53, 53000, null)
+assert.equal(miss.category, "DNS")
+
+const cdn = classifyFlowDst("203.0.113.9", 6, 443, 1, { prefix: "203.0.113.0/24", asn: 13335, country: "US", lat: null, lng: null, holder: "CLOUDFLARENET", ok: true, fetchedAt: Date.now() })
+assert.equal(cdn.category, "CDN")
+assert.equal(cdn.service, "Cloudflare")
+
+const amazonHolder = classifyFlowDst("203.0.113.50", 6, 443, 1, { prefix: "203.0.113.0/24", asn: 64500, country: "RU", lat: null, lng: null, holder: "AMAZON-AES - Amazon.com, Inc.", ok: true, fetchedAt: Date.now() })
+assert.equal(amazonHolder.service, "Прочее")
+assert.notEqual(amazonHolder.service, "AMAZON-AES - Amazon.com, Inc.")
+
+const google = classifyFlowDst("173.194.160.163", 6, 443, 1, {
+  prefix: "173.194.0.0/16",
+  asn: 15169,
+  country: "US",
+  lat: null,
+  lng: null,
+  holder: "GOOGLE",
+  ok: true,
+  fetchedAt: Date.now(),
+})
+assert.equal(google.service, "Google")
+assert.equal(google.category, "Веб")
+
+const googleCidr = classifyFlowDst("173.194.151.65", 6, 57182, 443, null)
+assert.equal(googleCidr.service, "Google")
+assert.equal(googleCidr.category, "Веб")
+
+const youtube = classifyFlowDst("173.194.160.163", 6, 443, 1, {
+  prefix: "173.194.0.0/16",
+  asn: 15169,
+  country: "US",
+  lat: null,
+  lng: null,
+  holder: "YouTube LLC",
+  ok: true,
+  fetchedAt: Date.now(),
+})
+assert.equal(youtube.service, "YouTube")
+assert.equal(youtube.category, "Видео / стриминг")
+
+const gre = classifyFlowDst("198.51.100.1", 47, 0, 0, null)
+assert.equal(gre.service, "GRE")
+assert.equal(gre.category, "Туннель")
+const esp = classifyFlowDst("198.51.100.1", 50, 0, 0, null)
+assert.equal(esp.category, "Туннель")
+assert.equal(applicationName(17, 443, 50000), "QUIC")
+assert.equal(applicationName(17, 853, 50000), "DNS")
+
+console.log("traffic-flow-classify.test.ts: ok")

backend/src/services/traffic-flow-classify.ts

@@ -0,0 +1,152 @@
+import { lookupBrand, OTHER_SERVICE } from "./traffic-flow-brands.js"
+import { db } from "../db/index.js"
+import { evobgpSettings } from "../db/schema.js"
+import { ipInCidrV4, parseCidrV4 } from "./traffic-flow-ip.js"
+import type { FlowIpMeta } from "./traffic-flow-ripe.js"
+import { applicationName } from "./traffic-flow-apps.js"
+
+export interface FlowClassification {
+  service: string
+  category: string
+}
+
+interface CatalogCidr {
+  cidr: string
+  purpose: string
+  prefixLen: number
+}
+
+const CATALOG_TTL_MS = 10 * 60_000
+let cidrs: CatalogCidr[] = []
+let asnPurpose = new Map<number, string>()
+let fetchedAt = 0
+let catalogFetchEnabled = true
+let inflight: Promise<void> | null = null
+
+export function disableCatalogFetchForTests(): void {
+  catalogFetchEnabled = false
+}
+
+export function resetFlowCatalogForTests(): void {
+  cidrs = []
+  asnPurpose = new Map()
+  fetchedAt = 0
+  inflight = null
+}
+
+export function seedFlowCatalogForTests(input: {
+  cidrs?: Array<{ cidr: string; purpose: string }>
+  asns?: Array<{ asn: number; purpose: string }>
+}): void {
+  cidrs = (input.cidrs ?? [])
+    .map((c) => ({ cidr: c.cidr, purpose: c.purpose, prefixLen: parseCidrV4(c.cidr)?.prefixLen ?? 0 }))
+    .sort((a, b) => b.prefixLen - a.prefixLen)
+  asnPurpose = new Map((input.asns ?? []).map((a) => [a.asn, a.purpose]))
+  fetchedAt = Date.now()
+}
+
+export function categoryFromPurpose(purpose: string, proto: number, dstPort: number, srcPort: number): string {
+  const p = purpose.toLowerCase()
+  if (/gaming|steam|epic|riot/.test(p)) return "Игры"
+  if (/streaming|youtube|netflix|twitch|video/.test(p)) return "Видео / стриминг"
+  if (/cdn|cloudflare|akamai|fastly/.test(p)) return "CDN"
+  if (/voip|discord|zoom/.test(p)) return "Голос"
+  if (/openai|chatgpt|\bai\b/.test(p)) return "ИИ"
+  if (/веб|web|google/.test(p)) return "Веб"
+  const app = applicationName(proto, dstPort, srcPort)
+  if (app === "DNS" || app === "SSH" || app === "BGP") return app
+  if (app === "GRE" || app === "ESP" || app === "WireGuard") return "Туннель"
+  return OTHER_SERVICE
+}
+
+function matchCidr(ip: string): CatalogCidr | null {
+  for (const row of cidrs) {
+    if (ipInCidrV4(ip, row.cidr)) return row
+  }
+  return null
+}
+
+export function classifyFlowDst(
+  dst: string,
+  proto: number,
+  dstPort: number,
+  srcPort: number,
+  ripe: FlowIpMeta | null,
+): FlowClassification {
+  if (proto === 47) return { service: "GRE", category: "Туннель" }
+  if (proto === 50) return { service: "ESP", category: "Туннель" }
+  const app = applicationName(proto, dstPort, srcPort)
+  if (app === "WireGuard") return { service: "WireGuard", category: "Туннель" }
+  const hit = matchCidr(dst)
+  const holder = ripe?.holder ?? ""
+  const youtubeHolder = /youtube/i.test(holder)
+  const brand = youtubeHolder
+    ? { service: "YouTube", category: "Видео / стриминг" }
+    : lookupBrand(dst, ripe?.asn ?? 0)
+  const asnName = ripe?.asn ? asnPurpose.get(ripe.asn) : undefined
+  const service = (hit?.purpose || brand?.service || asnName || OTHER_SERVICE).trim() || OTHER_SERVICE
+  const category = hit
+    ? categoryFromPurpose(hit.purpose, proto, dstPort, srcPort)
+    : (brand?.category || categoryFromPurpose(asnName || "", proto, dstPort, srcPort))
+  return { service, category }
+}
+
+async function fetchCatalog(): Promise<void> {
+  if (!catalogFetchEnabled) return
+  if (Date.now() - fetchedAt < CATALOG_TTL_MS) return
+  if (inflight) return inflight
+  inflight = (async () => {
+    try {
+      const row = db.select().from(evobgpSettings).limit(1).all()[0]
+      if (!row?.enabled) return
+      const root = String(row.baseUrl ?? "").replace(/\/+$/, "")
+      const token = String(row.apiKey ?? "").replace(/^Bearer\s+/i, "").trim()
+      if (!root || !token) return
+      const ac = new AbortController()
+      const t = setTimeout(() => ac.abort(), 20_000)
+      try {
+        const res = await fetch(`${root}/v1/router-lists/catalog`, {
+          headers: { Authorization: `Bearer ${token}`, Accept: "application/json" },
+          signal: ac.signal,
+        })
+        if (!res.ok) return
+        const catalog = await res.json() as {
+          modules?: { items?: Array<{ id: string; name: string }> }
+          ip_ranges?: { items?: Array<{ module_id: string; entry: { prefix: string } }> }
+          asns?: { items?: Array<{ module_id: string; entry: { asn: number } }> }
+        }
+        const mods = new Map((catalog.modules?.items ?? []).map((m) => [m.id, m.name]))
+        const next: CatalogCidr[] = []
+        for (const item of catalog.ip_ranges?.items ?? []) {
+          const prefix = String(item.entry?.prefix ?? "").trim()
+          const purpose = mods.get(item.module_id) ?? ""
+          const parsed = parseCidrV4(prefix)
+          if (!prefix || !parsed) continue
+          next.push({ cidr: prefix, purpose, prefixLen: parsed.prefixLen })
+        }
+        next.sort((a, b) => b.prefixLen - a.prefixLen)
+        const nextAsn = new Map<number, string>()
+        for (const item of catalog.asns?.items ?? []) {
+          const purpose = mods.get(item.module_id)
+          const asn = Number(item.entry?.asn)
+          if (purpose && Number.isFinite(asn) && asn > 0) nextAsn.set(asn, purpose)
+        }
+        cidrs = next
+        asnPurpose = nextAsn
+        fetchedAt = Date.now()
+      } finally {
+        clearTimeout(t)
+      }
+    } catch {
+      /* catalog optional */
+    } finally {
+      inflight = null
+    }
+  })()
+  return inflight
+}
+
+/** Background refresh — analytics never awaits the HTTP. */
+export function refreshFlowCatalogInBackground(): void {
+  void fetchCatalog()
+}

backend/src/services/traffic-flow-collector-ipc.ts

@@ -0,0 +1,41 @@
+import type { OverlayPeerRef } from "./traffic-flow-map-exporter.js"
+
+export interface ExporterMapPayload {
+  overlayPrefix: string
+  byTunnelIp: Array<[string, number]>
+  peers: OverlayPeerRef[]
+  hostIps: Array<[string, number]>
+}
+
+export interface CollectorStartPayload {
+  dbPath: string
+  listenHost: string
+  listenPort: number
+  topN: number
+  retentionHours: number
+  exporterMap: ExporterMapPayload
+}
+
+export interface CollectorHeartbeat {
+  bound: boolean
+  address: string | null
+  packetsReceived: number
+  lastExporterIp: string | null
+  lastError: string
+  lastDatagramAt: string | null
+  pendingSize: number
+  dropped: number
+  rowsStored: number
+  workerAlive: boolean
+  rings: Array<{ key: string; inBps: number[]; outBps: number[] }>
+}
+
+export type MainToWorker =
+  | { type: "start"; payload: CollectorStartPayload }
+  | { type: "stop" }
+  | { type: "updateExporterMap"; payload: ExporterMapPayload }
+  | { type: "updateSettings"; payload: { topN: number; retentionHours: number } }
+
+export type WorkerToMain =
+  | { type: "heartbeat"; payload: CollectorHeartbeat }
+  | { type: "error"; payload: { message: string } }

backend/src/services/traffic-flow-collector-worker.ts

@@ -0,0 +1,141 @@
+import { createSocket, type Socket } from "node:dgram"
+import { parentPort } from "node:worker_threads"
+import { sqliteDatabase } from "../db/index.js"
+import type {
+  CollectorStartPayload,
+  ExporterMapPayload,
+  MainToWorker,
+  WorkerToMain,
+} from "./traffic-flow-collector-ipc.js"
+import {
+  TICK_MS,
+  attachEngineSqlite,
+  configureEngine,
+  flushPending,
+  getEngineStats,
+  ingestDatagram,
+  setEngineError,
+  setExporterResolveCtx,
+  snapshotRings,
+} from "./traffic-flow-engine.js"
+
+let socket: Socket | null = null
+let flushTimer: ReturnType<typeof setInterval> | null = null
+let bound = false
+let address: string | null = null
+let attached = false
+
+function send(msg: WorkerToMain): void {
+  parentPort?.postMessage(msg)
+}
+
+function heartbeat(): void {
+  const stats = getEngineStats()
+  send({
+    type: "heartbeat",
+    payload: {
+      bound,
+      address,
+      packetsReceived: stats.packetsReceived,
+      lastExporterIp: stats.lastExporterIp,
+      lastError: stats.lastError,
+      lastDatagramAt: stats.lastDatagramAt,
+      pendingSize: stats.pendingSize,
+      dropped: stats.dropped,
+      rowsStored: stats.rowsStored,
+      workerAlive: true,
+      rings: snapshotRings(),
+    },
+  })
+}
+
+function applyExporterMap(payload: ExporterMapPayload): void {
+  setExporterResolveCtx({
+    overlayPrefix: payload.overlayPrefix,
+    byTunnelIp: new Map(payload.byTunnelIp),
+    peers: payload.peers,
+    hostIps: new Map(payload.hostIps),
+  })
+}
+
+function ensureSqlite(): void {
+  if (attached) return
+  attachEngineSqlite(sqliteDatabase)
+  attached = true
+}
+
+function stopListener(): void {
+  if (flushTimer) {
+    clearInterval(flushTimer)
+    flushTimer = null
+  }
+  try {
+    flushPending()
+  } catch (e) {
+    setEngineError(e instanceof Error ? e.message : String(e))
+  }
+  if (socket) {
+    try { socket.close() } catch { /* ignore */ }
+    socket = null
+  }
+  bound = false
+  address = null
+}
+
+function startListener(payload: CollectorStartPayload): void {
+  stopListener()
+  ensureSqlite()
+  configureEngine({ topN: payload.topN, retentionHours: payload.retentionHours })
+  applyExporterMap(payload.exporterMap)
+
+  const sock = createSocket("udp4")
+  sock.on("error", (err) => {
+    setEngineError(err.message)
+    bound = false
+    address = null
+    send({ type: "error", payload: { message: err.message } })
+    heartbeat()
+  })
+  sock.on("message", (msg, rinfo) => {
+    try {
+      ingestDatagram(msg, rinfo.address)
+    } catch (e) {
+      setEngineError(e instanceof Error ? e.message : String(e))
+    }
+  })
+  try {
+    sock.setRecvBufferSize(8 * 1024 * 1024)
+  } catch {
+    /* platform may ignore */
+  }
+  sock.bind(payload.listenPort, payload.listenHost, () => {
+    bound = true
+    address = `${payload.listenHost}:${payload.listenPort}`
+    setEngineError("")
+    heartbeat()
+  })
+  socket = sock
+  flushTimer = setInterval(() => {
+    try {
+      flushPending()
+    } catch (e) {
+      setEngineError(e instanceof Error ? e.message : String(e))
+    }
+    heartbeat()
+  }, TICK_MS)
+}
+
+parentPort?.on("message", (msg: MainToWorker) => {
+  try {
+    if (msg.type === "start") startListener(msg.payload)
+    else if (msg.type === "stop") {
+      stopListener()
+      heartbeat()
+    } else if (msg.type === "updateExporterMap") applyExporterMap(msg.payload)
+    else if (msg.type === "updateSettings") configureEngine(msg.payload)
+  } catch (e) {
+    const message = e instanceof Error ? e.message : String(e)
+    setEngineError(message)
+    send({ type: "error", payload: { message } })
+  }
+})

backend/src/services/traffic-flow-dedup.test.ts

@@ -0,0 +1,25 @@
+import assert from "node:assert/strict"
+import { dedupFlowRowsMaxBytes, flowTupleKey } from "./traffic-flow-dedup.js"
+
+const a = {
+  serverId: 7,
+  src: "10.1.1.8",
+  dst: "8.8.8.8",
+  proto: 6,
+  srcPort: 1,
+  dstPort: 443,
+  inIface: "2",
+  bytes: 12_000,
+  packets: 10,
+}
+const b = { ...a, inIface: "10", bytes: 8_000, packets: 8 }
+const out = dedupFlowRowsMaxBytes([a, b])
+assert.equal(out.length, 1)
+assert.equal(out[0]?.bytes, 12_000)
+assert.equal(out[0]?.inIface, "2")
+assert.equal(flowTupleKey(a), flowTupleKey(b))
+
+const sameIface = dedupFlowRowsMaxBytes([a, { ...a, bytes: 3_000, packets: 2 }])
+assert.equal(sameIface[0]?.bytes, 15_000)
+
+console.log("traffic-flow-dedup.test.ts: ok")

backend/src/services/traffic-flow-dedup.ts

@@ -0,0 +1,44 @@
+export interface FlowTupleRow {
+  serverId: number
+  src: string
+  dst: string
+  proto: number
+  srcPort: number
+  dstPort: number
+  inIface: string
+  bytes: number
+  packets: number
+}
+
+export function flowTupleKey(r: Pick<FlowTupleRow, "serverId" | "src" | "dst" | "proto" | "srcPort" | "dstPort">): string {
+  return `${r.serverId}|${r.src}|${r.dst}|${r.proto}|${r.srcPort}|${r.dstPort}`
+}
+
+function ifaceKey(r: FlowTupleRow): string {
+  return `${flowTupleKey(r)}|${r.inIface}`
+}
+
+/**
+ * Один 5-tuple на двух ifIndex — это один поток: сначала сумма по бакетам/iface,
+ * затем max байт между интерфейсами (не sum).
+ */
+export function dedupFlowRowsMaxBytes<T extends FlowTupleRow>(rows: T[]): T[] {
+  const byIface = new Map<string, T>()
+  for (const row of rows) {
+    const key = ifaceKey(row)
+    const prev = byIface.get(key)
+    if (!prev) {
+      byIface.set(key, { ...row })
+      continue
+    }
+    prev.bytes += row.bytes
+    prev.packets += row.packets
+  }
+  const byTuple = new Map<string, T>()
+  for (const row of byIface.values()) {
+    const key = flowTupleKey(row)
+    const prev = byTuple.get(key)
+    if (!prev || row.bytes > prev.bytes) byTuple.set(key, row)
+  }
+  return [...byTuple.values()]
+}

backend/src/services/traffic-flow-engine.ts

@@ -0,0 +1,797 @@
+import type Database from "better-sqlite3"
+import { normalizeParsedFlow, parseFlowPacket, protoName, type ParsedFlow, type ParsedFlowInput } from "./traffic-flow-parse.js"
+import { classifyFlowPlaneLite } from "./traffic-flow-planes.js"
+import { pickServerIdForExporter, type OverlayPeerRef } from "./traffic-flow-map-exporter.js"
+import { applicationName } from "./traffic-flow-apps.js"
+import { classifyFlowDst } from "./traffic-flow-classify.js"
+import { enqueueRipeMisses, lookupRipeCached, pruneRipeSqlite } from "./traffic-flow-ripe.js"
+import { invalidateTrafficFlowSettingsCache } from "./traffic-flow-settings.js"
+import { isIsoCountry } from "./traffic-flow-brands.js"
+import { maybeRefreshIfaces } from "./traffic-flow-ifaces.js"
+import { pickInternetPeer } from "./traffic-flow-ip.js"
+
+type SqliteHandle = InstanceType<typeof Database>
+
+export const TICK_MS = 2_000
+export const RING_LEN = 60
+export const MAX_PENDING = 50_000
+export const DAILY_ASN_TOP = 500
+export const DAILY_RETENTION_DAYS = 396
+export const MINUTE_RETENTION_HOURS = 48
+
+let pendingCap = MAX_PENDING
+
+export interface PendingFlowRow {
+  serverId: number
+  bucketAt: string
+  src: string
+  dst: string
+  proto: number
+  srcPort: number
+  dstPort: number
+  bytes: number
+  packets: number
+  inIface: string
+  outIface: string
+  nextHop: string
+  flowStartMs: number
+  flowEndMs: number
+}
+
+export interface EngineStats {
+  packetsReceived: number
+  lastExporterIp: string | null
+  lastError: string
+  lastDatagramAt: string | null
+  dropped: number
+  rowsStored: number
+  pendingSize: number
+}
+
+interface PendingEntry {
+  serverId: number
+  bucketAt: string
+  flow: ParsedFlow
+  bytes: number
+  packets: number
+}
+
+interface MinuteRollup {
+  bytes: number
+  packets: number
+  srcs: Set<string>
+  dsts: Set<string>
+  conversations: number
+}
+
+interface DimAcc {
+  bytes: number
+  packets: number
+}
+
+export interface ExporterResolveCtx {
+  overlayPrefix: string
+  byTunnelIp: Map<string, number>
+  peers: OverlayPeerRef[]
+  hostIps: Map<string, number>
+}
+
+let sqliteRef: SqliteHandle | null = null
+let topN = 200
+let retentionHours = 24
+
+const pending = new Map<string, PendingEntry>()
+const recent = new Map<string, PendingFlowRow>()
+const tickAccum = new Map<string, { inBytes: number; outBytes: number }>()
+const rings = new Map<string, { inBps: number[]; outBps: number[] }>()
+const minuteRollup = new Map<string, MinuteRollup>()
+const minuteDims = new Map<string, DimAcc>()
+
+let packetsReceived = 0
+let lastExporterIp: string | null = null
+let lastError = ""
+let lastDatagramAt: string | null = null
+let dropped = 0
+let rowsStored = 0
+let lastFlushUsedTransaction = false
+let lastPruneAt = 0
+let lastPassiveCheckpointAt = Date.now()
+let dataEpoch = 0
+let lastPersistedStats: {
+  packetsReceived: number
+  lastDatagramAt: string | null
+  lastExporterIp: string | null
+  lastError: string
+} | null = null
+let exporterCtx: ExporterResolveCtx | null = null
+
+const PRUNE_MS = 5 * 60_000
+const LIVE_WINDOW_MS = 15 * 60_000
+const PASSIVE_CHECKPOINT_MS = 60_000
+
+function bumpDataEpoch(): void {
+  dataEpoch += 1
+}
+
+export function flowDataEpoch(): number {
+  return dataEpoch
+}
+
+function nowIso(): string {
+  return new Date().toISOString()
+}
+
+export function minuteBucketIso(at = Date.now()): string {
+  const d = new Date(at)
+  d.setSeconds(0, 0)
+  return d.toISOString()
+}
+
+function dayKey(bucketAt: string): string {
+  return bucketAt.slice(0, 10)
+}
+
+export const RING_PAYLOAD = "__all__"
+export const RING_OVERLAY = "__overlay__"
+export const RING_MESH = "__mesh__"
+
+function ringKey(serverId: number, iface: string): string {
+  return `${serverId}\0${iface || RING_PAYLOAD}`
+}
+
+function pendingKey(serverId: number, bucketAt: string, flow: ParsedFlow): string {
+  return `${serverId}\0${bucketAt}\0${flow.src}\0${flow.dst}\0${flow.proto}\0${flow.srcPort}\0${flow.dstPort}\0${flow.inIface}`
+}
+
+function rowKey(row: PendingFlowRow): string {
+  return `${row.serverId}|${row.bucketAt}|${row.src}|${row.dst}|${row.proto}|${row.srcPort}|${row.dstPort}|${row.inIface}`
+}
+
+function rollupKey(serverId: number, bucketAt: string): string {
+  return `${serverId}\0${bucketAt}`
+}
+
+function dimKey(serverId: number, bucketAt: string, dim: string, key: string): string {
+  return `${serverId}\0${bucketAt}\0${dim}\0${key}`
+}
+
+function bumpTick(key: string, inBytes: number, outBytes: number): void {
+  const prev = tickAccum.get(key) ?? { inBytes: 0, outBytes: 0 }
+  prev.inBytes += inBytes
+  prev.outBytes += outBytes
+  tickAccum.set(key, prev)
+}
+
+function addToTick(serverId: number, flow: ParsedFlow, bytes: number): void {
+  const plane = classifyFlowPlaneLite(flow)
+  if (plane === "mgmt") return
+  const bucket = plane === "overlay" ? RING_OVERLAY : plane === "client_mesh" ? RING_MESH : RING_PAYLOAD
+  bumpTick(ringKey(serverId, bucket), bytes, 0)
+  if (flow.inIface) bumpTick(ringKey(serverId, flow.inIface), bytes, 0)
+  if (flow.outIface && flow.outIface !== flow.inIface) bumpTick(ringKey(serverId, flow.outIface), 0, bytes)
+}
+
+function emptyRing(): { inBps: number[]; outBps: number[] } {
+  return { inBps: Array(RING_LEN).fill(0), outBps: Array(RING_LEN).fill(0) }
+}
+
+function bumpDim(serverId: number, bucketAt: string, dim: string, key: string, bytes: number, packets: number): void {
+  if (!key) return
+  const k = dimKey(serverId, bucketAt, dim, key)
+  const prev = minuteDims.get(k)
+  if (prev) {
+    prev.bytes += bytes
+    prev.packets += packets
+    return
+  }
+  minuteDims.set(k, { bytes, packets })
+}
+
+function bumpRollup(serverId: number, bucketAt: string, flow: ParsedFlow, bytes: number, packets: number): void {
+  const k = rollupKey(serverId, bucketAt)
+  let acc = minuteRollup.get(k)
+  if (!acc) {
+    acc = { bytes: 0, packets: 0, srcs: new Set(), dsts: new Set(), conversations: 0 }
+    minuteRollup.set(k, acc)
+  }
+  acc.bytes += bytes
+  acc.packets += packets
+  if (flow.src) acc.srcs.add(flow.src)
+  if (flow.dst) acc.dsts.add(flow.dst)
+  acc.conversations += 1
+}
+
+export function attachEngineSqlite(handle: SqliteHandle): void {
+  sqliteRef = handle
+}
+
+export function setPendingCapForTests(n: number | null): void {
+  pendingCap = n == null ? MAX_PENDING : Math.max(1, n)
+}
+
+export function configureEngine(opts: { topN?: number; retentionHours?: number }): void {
+  if (opts.topN != null) topN = Math.max(20, opts.topN)
+  if (opts.retentionHours != null) retentionHours = Math.max(1, opts.retentionHours)
+}
+
+export function setExporterResolveCtx(ctx: ExporterResolveCtx | null): void {
+  exporterCtx = ctx
+}
+
+export function resolveServerId(exporterIp: string): number | null {
+  if (!exporterCtx) return null
+  return pickServerIdForExporter({
+    exporterIp,
+    overlayPrefix: exporterCtx.overlayPrefix,
+    byTunnelIp: exporterCtx.byTunnelIp,
+    peers: exporterCtx.peers,
+    hostIps: exporterCtx.hostIps,
+  })
+}
+
+export function bumpPacketMeta(exporterIp: string): void {
+  packetsReceived += 1
+  lastExporterIp = exporterIp
+  lastDatagramAt = nowIso()
+}
+
+export function setEngineError(message: string): void {
+  lastError = message
+}
+
+export function getEngineStats(): EngineStats {
+  return {
+    packetsReceived,
+    lastExporterIp,
+    lastError,
+    lastDatagramAt,
+    dropped,
+    rowsStored,
+    pendingSize: pending.size,
+  }
+}
+
+export function queueParsedFlows(serverId: number, flows: ParsedFlowInput[]): void {
+  if (flows.length) bumpDataEpoch()
+  const bucketAt = minuteBucketIso()
+  const ripeMisses: string[] = []
+  for (const raw of flows) {
+    const flow = normalizeParsedFlow(raw)
+    addToTick(serverId, flow, flow.bytes)
+    bumpRollup(serverId, bucketAt, flow, flow.bytes, flow.packets)
+    const peer = pickInternetPeer(flow.src, flow.dst, flow.srcPort, flow.dstPort)
+    const ripe = lookupRipeCached(peer)
+    if (peer && !ripe) ripeMisses.push(peer)
+    const classified = classifyFlowDst(peer, flow.proto, flow.dstPort, flow.srcPort, ripe)
+    const app = applicationName(flow.proto, flow.dstPort, flow.srcPort)
+    const country = ripe?.ok && isIsoCountry(ripe.country)
+      ? ripe.country
+      : (ripe?.ok ? "" : "unknown")
+    const asnKey = ripe?.ok && ripe.asn ? String(ripe.asn) : "unknown"
+    bumpDim(serverId, bucketAt, "proto", protoName(flow.proto), flow.bytes, flow.packets)
+    bumpDim(serverId, bucketAt, "app", app, flow.bytes, flow.packets)
+    bumpDim(serverId, bucketAt, "iface", flow.inIface || "__unknown__", flow.bytes, flow.packets)
+    bumpDim(serverId, bucketAt, "category", classified.category, flow.bytes, flow.packets)
+    bumpDim(serverId, bucketAt, "service", classified.service, flow.bytes, flow.packets)
+    if (country) bumpDim(serverId, bucketAt, "country", country, flow.bytes, flow.packets)
+    bumpDim(serverId, bucketAt, "asn", asnKey, flow.bytes, flow.packets)
+
+    const key = pendingKey(serverId, bucketAt, flow)
+    const prev = pending.get(key)
+    if (prev) {
+      prev.bytes += flow.bytes
+      prev.packets += flow.packets
+      if (flow.outIface && !prev.flow.outIface) prev.flow.outIface = flow.outIface
+      if (flow.nextHop && !prev.flow.nextHop) prev.flow.nextHop = flow.nextHop
+      if (flow.flowStartMs && (!prev.flow.flowStartMs || flow.flowStartMs < prev.flow.flowStartMs)) {
+        prev.flow.flowStartMs = flow.flowStartMs
+      }
+      if (flow.flowEndMs > (prev.flow.flowEndMs ?? 0)) prev.flow.flowEndMs = flow.flowEndMs
+      continue
+    }
+    if (pending.size >= pendingCap) {
+      dropped += 1
+      continue
+    }
+    pending.set(key, {
+      serverId,
+      bucketAt,
+      flow: { ...flow },
+      bytes: flow.bytes,
+      packets: flow.packets,
+    })
+  }
+  if (ripeMisses.length) enqueueRipeMisses(ripeMisses)
+}
+
+export function ingestDatagram(msg: Buffer, exporterIp: string): boolean {
+  bumpPacketMeta(exporterIp)
+  const flows = parseFlowPacket(msg, exporterIp)
+  if (!flows.length) return true
+  const serverId = resolveServerId(exporterIp)
+  if (serverId == null) {
+    setEngineError(
+      `IPFIX от ${exporterIp}: нет jump-host с адресом wg-flow. Docker SNAT (172.x) при нескольких JH не различим.`,
+    )
+    return false
+  }
+  setEngineError("")
+  maybeRefreshIfaces(serverId)
+  queueParsedFlows(serverId, flows)
+  return true
+}
+
+function toPendingRow(row: PendingEntry): PendingFlowRow {
+  const flow = normalizeParsedFlow(row.flow)
+  return {
+    serverId: row.serverId,
+    bucketAt: row.bucketAt,
+    src: flow.src || "0.0.0.0",
+    dst: flow.dst || "0.0.0.0",
+    proto: flow.proto,
+    srcPort: flow.srcPort,
+    dstPort: flow.dstPort,
+    bytes: row.bytes,
+    packets: row.packets,
+    inIface: flow.inIface,
+    outIface: flow.outIface,
+    nextHop: flow.nextHop,
+    flowStartMs: flow.flowStartMs,
+    flowEndMs: flow.flowEndMs,
+  }
+}
+
+function mergeInto(map: Map<string, PendingFlowRow>, row: PendingFlowRow): void {
+  const key = rowKey(row)
+  const prev = map.get(key)
+  if (prev) {
+    prev.bytes += row.bytes
+    prev.packets += row.packets
+    if (row.outIface && !prev.outIface) prev.outIface = row.outIface
+    if (row.nextHop && !prev.nextHop) prev.nextHop = row.nextHop
+    if (row.flowStartMs && (!prev.flowStartMs || row.flowStartMs < prev.flowStartMs)) prev.flowStartMs = row.flowStartMs
+    if (row.flowEndMs > (prev.flowEndMs ?? 0)) prev.flowEndMs = row.flowEndMs
+    return
+  }
+  map.set(key, { ...row })
+}
+
+function pruneRecent(sinceMs = Date.now() - LIVE_WINDOW_MS): void {
+  const cutoff = new Date(sinceMs).toISOString()
+  for (const [key, row] of recent) {
+    if (row.bucketAt < cutoff) recent.delete(key)
+  }
+  while (recent.size > MAX_PENDING) {
+    const first = recent.keys().next().value
+    if (first == null) break
+    recent.delete(first)
+  }
+}
+
+export function peekPendingFlows(): PendingFlowRow[] {
+  return [...pending.values()].map(toPendingRow)
+}
+
+export function listLiveFlowRows(sinceIso: string): PendingFlowRow[] {
+  const merged = new Map<string, PendingFlowRow>()
+  for (const row of recent.values()) {
+    if (row.bucketAt < sinceIso) continue
+    mergeInto(merged, row)
+  }
+  for (const row of peekPendingFlows()) {
+    if (row.bucketAt < sinceIso) continue
+    mergeInto(merged, row)
+  }
+  return [...merged.values()]
+}
+
+export function rollFlowRings(): void {
+  const keys = new Set([...tickAccum.keys(), ...rings.keys()])
+  const sec = TICK_MS / 1000
+  for (const key of keys) {
+    const acc = tickAccum.get(key) ?? { inBytes: 0, outBytes: 0 }
+    tickAccum.delete(key)
+    const inBps = (acc.inBytes * 8) / sec
+    const outBps = (acc.outBytes * 8) / sec
+    let ring = rings.get(key)
+    if (!ring) {
+      ring = emptyRing()
+      rings.set(key, ring)
+    }
+    ring.inBps.push(inBps)
+    ring.inBps.shift()
+    ring.outBps.push(outBps)
+    ring.outBps.shift()
+    const silent = ring.inBps.every((v) => v === 0) && ring.outBps.every((v) => v === 0)
+    if (silent && !tickAccum.has(key)) rings.delete(key)
+  }
+}
+
+export function getRingMbps(serverId: number, iface = RING_PAYLOAD): {
+  rx: number[]
+  tx: number[]
+  rxNow: number
+  txNow: number
+} {
+  const ring = rings.get(ringKey(serverId, iface))
+  const scale = 1_000_000
+  if (!ring) {
+    return { rx: Array(RING_LEN).fill(0), tx: Array(RING_LEN).fill(0), rxNow: 0, txNow: 0 }
+  }
+  return {
+    rx: ring.inBps.map((b) => b / scale),
+    tx: ring.outBps.map((b) => b / scale),
+    rxNow: (ring.inBps[RING_LEN - 1] ?? 0) / scale,
+    txNow: (ring.outBps[RING_LEN - 1] ?? 0) / scale,
+  }
+}
+
+export function snapshotRings(): Array<{ key: string; inBps: number[]; outBps: number[] }> {
+  return [...rings.entries()].map(([key, ring]) => ({
+    key,
+    inBps: [...ring.inBps],
+    outBps: [...ring.outBps],
+  }))
+}
+
+export function applyRingSnapshot(rows: Array<{ key: string; inBps: number[]; outBps: number[] }>): void {
+  rings.clear()
+  for (const row of rows) {
+    rings.set(row.key, { inBps: row.inBps, outBps: row.outBps })
+  }
+}
+
+function persistListenerStats(handle: SqliteHandle): boolean {
+  if (
+    lastPersistedStats
+    && lastPersistedStats.packetsReceived === packetsReceived
+    && lastPersistedStats.lastDatagramAt === lastDatagramAt
+    && lastPersistedStats.lastExporterIp === lastExporterIp
+    && lastPersistedStats.lastError === lastError
+  ) {
+    return false
+  }
+  handle.prepare(`
+    UPDATE traffic_flow_settings
+    SET packets_received = @packetsReceived,
+        last_datagram_at = @lastDatagramAt,
+        last_exporter_ip = @lastExporterIp,
+        last_error = @lastError,
+        updated_at = @updatedAt
+    WHERE id = 1
+  `).run({
+    packetsReceived,
+    lastDatagramAt,
+    lastExporterIp,
+    lastError,
+    updatedAt: nowIso(),
+  })
+  lastPersistedStats = {
+    packetsReceived,
+    lastDatagramAt,
+    lastExporterIp,
+    lastError,
+  }
+  invalidateTrafficFlowSettingsCache()
+  return true
+}
+
+function maybePassiveCheckpoint(handle: SqliteHandle): void {
+  const now = Date.now()
+  if (now - lastPassiveCheckpointAt < PASSIVE_CHECKPOINT_MS) return
+  lastPassiveCheckpointAt = now
+  try {
+    handle.pragma("wal_checkpoint(PASSIVE)")
+  } catch {
+    /* ignore */
+  }
+}
+
+function upsertMinuteAndDaily(handle: SqliteHandle): void {
+  const upsertMinute = handle.prepare(`
+    INSERT INTO flow_minute_stats (
+      server_id, bucket_at, bytes, packets, unique_src, unique_dst, conversations
+    ) VALUES (
+      @serverId, @bucketAt, @bytes, @packets, @uniqueSrc, @uniqueDst, @conversations
+    )
+    ON CONFLICT(server_id, bucket_at) DO UPDATE SET
+      bytes = bytes + excluded.bytes,
+      packets = packets + excluded.packets,
+      unique_src = MAX(unique_src, excluded.unique_src),
+      unique_dst = MAX(unique_dst, excluded.unique_dst),
+      conversations = conversations + excluded.conversations
+  `)
+  const upsertDim = handle.prepare(`
+    INSERT INTO flow_minute_dims (server_id, bucket_at, dim, key, bytes, packets)
+    VALUES (@serverId, @bucketAt, @dim, @key, @bytes, @packets)
+    ON CONFLICT(server_id, bucket_at, dim, key) DO UPDATE SET
+      bytes = bytes + excluded.bytes,
+      packets = packets + excluded.packets
+  `)
+  const upsertDaily = handle.prepare(`
+    INSERT INTO flow_daily_dims (server_id, day, dim, key, bytes, packets)
+    VALUES (@serverId, @day, @dim, @key, @bytes, @packets)
+    ON CONFLICT(server_id, day, dim, key) DO UPDATE SET
+      bytes = bytes + excluded.bytes,
+      packets = packets + excluded.packets
+  `)
+
+  const tx = handle.transaction(() => {
+    for (const [k, acc] of minuteRollup) {
+      const [serverIdRaw, bucketAt] = k.split("\0")
+      upsertMinute.run({
+        serverId: Number(serverIdRaw),
+        bucketAt,
+        bytes: acc.bytes,
+        packets: acc.packets,
+        uniqueSrc: acc.srcs.size,
+        uniqueDst: acc.dsts.size,
+        conversations: acc.conversations,
+      })
+    }
+    for (const [k, acc] of minuteDims) {
+      const [serverIdRaw, bucketAt, dim, key] = k.split("\0")
+      upsertDim.run({
+        serverId: Number(serverIdRaw),
+        bucketAt,
+        dim,
+        key,
+        bytes: acc.bytes,
+        packets: acc.packets,
+      })
+      if (dim === "country" || dim === "service" || dim === "asn") {
+        upsertDaily.run({
+          serverId: Number(serverIdRaw),
+          day: dayKey(bucketAt ?? ""),
+          dim,
+          key,
+          bytes: acc.bytes,
+          packets: acc.packets,
+        })
+      }
+    }
+  })
+  tx()
+  minuteRollup.clear()
+  minuteDims.clear()
+}
+
+function capDailyAsn(handle: SqliteHandle): void {
+  const today = nowIso().slice(0, 10)
+  const rows = handle.prepare(`
+    SELECT server_id AS serverId, key, bytes, packets
+    FROM flow_daily_dims
+    WHERE day = ? AND dim = 'asn'
+    ORDER BY server_id, bytes DESC
+  `).all(today) as Array<{ serverId: number; key: string; bytes: number; packets: number }>
+  const byServer = new Map<number, typeof rows>()
+  for (const row of rows) {
+    const list = byServer.get(row.serverId) ?? []
+    list.push(row)
+    byServer.set(row.serverId, list)
+  }
+  const del = handle.prepare(`
+    DELETE FROM flow_daily_dims WHERE server_id = ? AND day = ? AND dim = 'asn' AND key = ?
+  `)
+  const upsertOther = handle.prepare(`
+    INSERT INTO flow_daily_dims (server_id, day, dim, key, bytes, packets)
+    VALUES (?, ?, 'asn', 'other', ?, ?)
+    ON CONFLICT(server_id, day, dim, key) DO UPDATE SET
+      bytes = bytes + excluded.bytes,
+      packets = packets + excluded.packets
+  `)
+  for (const [serverId, list] of byServer) {
+    if (list.length <= DAILY_ASN_TOP) continue
+    let otherBytes = 0
+    let otherPackets = 0
+    for (const row of list.slice(DAILY_ASN_TOP)) {
+      if (row.key === "other") continue
+      otherBytes += row.bytes
+      otherPackets += row.packets
+      del.run(serverId, today, row.key)
+    }
+    if (otherBytes > 0) upsertOther.run(serverId, today, otherBytes, otherPackets)
+  }
+}
+
+function pruneStored(handle: SqliteHandle): void {
+  const now = Date.now()
+  if (now - lastPruneAt < PRUNE_MS) return
+  lastPruneAt = now
+  const flowCutoff = new Date(now - retentionHours * 3600_000).toISOString()
+  const minuteCutoff = new Date(now - MINUTE_RETENTION_HOURS * 3600_000).toISOString()
+  const dailyCutoff = new Date(now - DAILY_RETENTION_DAYS * 86400_000).toISOString().slice(0, 10)
+  handle.prepare(`DELETE FROM flow_buckets WHERE bucket_at < ?`).run(flowCutoff)
+  handle.prepare(`DELETE FROM flow_minute_stats WHERE bucket_at < ?`).run(minuteCutoff)
+  handle.prepare(`DELETE FROM flow_minute_dims WHERE bucket_at < ?`).run(minuteCutoff)
+  handle.prepare(`DELETE FROM flow_daily_dims WHERE day < ?`).run(dailyCutoff)
+
+  const keep = Math.max(20, topN)
+  try {
+    handle.prepare(`
+      DELETE FROM flow_buckets WHERE id IN (
+        SELECT id FROM (
+          SELECT id, ROW_NUMBER() OVER (
+            PARTITION BY server_id, bucket_at ORDER BY bytes DESC
+          ) AS rn
+          FROM flow_buckets
+        ) ranked WHERE rn > ?
+      )
+    `).run(keep)
+  } catch {
+    const buckets = handle.prepare(`
+      SELECT DISTINCT server_id AS serverId, bucket_at AS bucketAt FROM flow_buckets
+    `).all() as Array<{ serverId: number; bucketAt: string }>
+    for (const b of buckets) {
+      const rows = handle.prepare(`
+        SELECT id, bytes FROM flow_buckets
+        WHERE server_id = ? AND bucket_at = ?
+        ORDER BY bytes DESC
+      `).all(b.serverId, b.bucketAt) as Array<{ id: number; bytes: number }>
+      for (const extra of rows.slice(keep)) {
+        handle.prepare(`DELETE FROM flow_buckets WHERE id = ?`).run(extra.id)
+      }
+    }
+  }
+  pruneRipeSqlite(now)
+}
+
+function topNPending(rows: PendingFlowRow[]): PendingFlowRow[] {
+  const keep = Math.max(20, topN)
+  const groups = new Map<string, PendingFlowRow[]>()
+  for (const row of rows) {
+    const k = `${row.serverId}\0${row.bucketAt}`
+    const list = groups.get(k) ?? []
+    list.push(row)
+    groups.set(k, list)
+  }
+  const out: PendingFlowRow[] = []
+  for (const list of groups.values()) {
+    list.sort((a, b) => b.bytes - a.bytes)
+    out.push(...list.slice(0, keep))
+  }
+  return out
+}
+
+export function flushPending(): void {
+  pruneRecent()
+  rollFlowRings()
+  const handle = sqliteRef
+  if (!handle) {
+    lastFlushUsedTransaction = false
+    return
+  }
+  persistListenerStats(handle)
+  if (pending.size === 0 && minuteRollup.size === 0 && minuteDims.size === 0) {
+    pruneStored(handle)
+    maybePassiveCheckpoint(handle)
+    lastFlushUsedTransaction = false
+    return
+  }
+  const rows = topNPending([...pending.values()].map(toPendingRow))
+  pending.clear()
+  for (const row of rows) mergeInto(recent, row)
+
+  const upsertFlow = handle.prepare(`
+    INSERT INTO flow_buckets (
+      server_id, bucket_at, src, dst, proto, src_port, dst_port, bytes, packets, in_iface, out_iface, next_hop, flow_start_ms, flow_end_ms
+    ) VALUES (
+      @serverId, @bucketAt, @src, @dst, @proto, @srcPort, @dstPort, @bytes, @packets, @inIface, @outIface, @nextHop, @flowStartMs, @flowEndMs
+    )
+    ON CONFLICT(server_id, bucket_at, src, dst, proto, src_port, dst_port, in_iface)
+    DO UPDATE SET
+      bytes = bytes + excluded.bytes,
+      packets = packets + excluded.packets,
+      out_iface = CASE WHEN excluded.out_iface != '' THEN excluded.out_iface ELSE out_iface END,
+      next_hop = CASE WHEN excluded.next_hop != '' THEN excluded.next_hop ELSE next_hop END,
+      flow_start_ms = CASE
+        WHEN excluded.flow_start_ms > 0 AND (flow_start_ms = 0 OR excluded.flow_start_ms < flow_start_ms)
+        THEN excluded.flow_start_ms ELSE flow_start_ms END,
+      flow_end_ms = MAX(flow_end_ms, excluded.flow_end_ms)
+  `)
+  lastFlushUsedTransaction = false
+  try {
+    const tx = handle.transaction((batch: PendingFlowRow[]) => {
+      for (const r of batch) {
+        upsertFlow.run({
+          serverId: r.serverId,
+          bucketAt: r.bucketAt,
+          src: r.src,
+          dst: r.dst,
+          proto: r.proto,
+          srcPort: r.srcPort,
+          dstPort: r.dstPort,
+          bytes: r.bytes,
+          packets: r.packets,
+          inIface: r.inIface,
+          outIface: r.outIface,
+          nextHop: r.nextHop,
+          flowStartMs: r.flowStartMs,
+          flowEndMs: r.flowEndMs,
+        })
+      }
+    })
+    tx(rows)
+    lastFlushUsedTransaction = true
+    rowsStored += rows.length
+    bumpDataEpoch()
+  } catch {
+    for (const r of rows) {
+      try {
+        upsertFlow.run({
+          serverId: r.serverId,
+          bucketAt: r.bucketAt,
+          src: r.src,
+          dst: r.dst,
+          proto: r.proto,
+          srcPort: r.srcPort,
+          dstPort: r.dstPort,
+          bytes: r.bytes,
+          packets: r.packets,
+          inIface: r.inIface,
+          outIface: r.outIface,
+          nextHop: r.nextHop,
+          flowStartMs: r.flowStartMs,
+          flowEndMs: r.flowEndMs,
+        })
+        rowsStored += 1
+      } catch {
+        /* ignore single-row failures */
+      }
+    }
+  }
+  try {
+    upsertMinuteAndDaily(handle)
+    capDailyAsn(handle)
+  } catch {
+    /* rollup best-effort */
+  }
+  pruneStored(handle)
+  maybePassiveCheckpoint(handle)
+}
+
+export function lastFlushUsedTransactionForTests(): boolean {
+  return lastFlushUsedTransaction
+}
+
+export function flushPendingForTests(): void {
+  flushPending()
+}
+
+export function onEngineTick(): void {
+  flushPending()
+}
+
+export function ingestParsedFlowsForServerForTests(serverId: number, flows: ParsedFlowInput[]): void {
+  queueParsedFlows(serverId, flows)
+  rollFlowRings()
+}
+
+export function resetEngineForTests(): void {
+  pending.clear()
+  recent.clear()
+  tickAccum.clear()
+  rings.clear()
+  minuteRollup.clear()
+  minuteDims.clear()
+  packetsReceived = 0
+  lastExporterIp = null
+  lastError = ""
+  lastDatagramAt = null
+  dropped = 0
+  rowsStored = 0
+  lastFlushUsedTransaction = false
+  lastPruneAt = 0
+  lastPassiveCheckpointAt = Date.now()
+  lastPersistedStats = null
+  bumpDataEpoch()
+  pendingCap = MAX_PENDING
+}
+
+export function pendingSizeForTests(): number {
+  return pending.size
+}
+
+export function droppedForTests(): number {
+  return dropped
+}

backend/src/services/traffic-flow-hardening.test.ts

@@ -0,0 +1,38 @@
+import assert from "node:assert/strict"
+import {
+  SQLITE_BUSY_TIMEOUT_MS,
+  SQLITE_CACHE_SIZE_KIB,
+  SQLITE_WAL_AUTOCHECKPOINT_PAGES,
+  sqliteDatabase,
+} from "../db/index.js"
+import {
+  MAX_FLOW_LIVE_SUBSCRIBERS,
+  resetFlowLiveSlotsForTests,
+  tryAcquireFlowLiveSlot,
+  releaseFlowLiveSlot,
+} from "../routes/traffic-flow.js"
+
+const busy = sqliteDatabase.pragma("busy_timeout") as Array<{ busy_timeout: number }>
+const busyValue = Array.isArray(busy) ? Number(Object.values(busy[0] ?? {})[0]) : Number(busy)
+assert.equal(busyValue, SQLITE_BUSY_TIMEOUT_MS)
+
+function pragmaNum(name: string): number {
+  const rows = sqliteDatabase.pragma(name) as Array<Record<string, number>>
+  const row = Array.isArray(rows) ? rows[0] : rows
+  return Number(Object.values(row ?? {})[0])
+}
+
+assert.equal(pragmaNum("wal_autocheckpoint"), SQLITE_WAL_AUTOCHECKPOINT_PAGES)
+assert.equal(pragmaNum("cache_size"), -SQLITE_CACHE_SIZE_KIB)
+assert.equal(pragmaNum("temp_store"), 2)
+
+resetFlowLiveSlotsForTests()
+for (let i = 0; i < MAX_FLOW_LIVE_SUBSCRIBERS; i++) {
+  assert.equal(tryAcquireFlowLiveSlot(), true)
+}
+assert.equal(tryAcquireFlowLiveSlot(), false)
+releaseFlowLiveSlot()
+assert.equal(tryAcquireFlowLiveSlot(), true)
+resetFlowLiveSlotsForTests()
+
+console.log("traffic-flow-hardening.test.ts: ok")

backend/src/services/traffic-flow-ifaces.test.ts

@@ -0,0 +1,61 @@
+import assert from "node:assert/strict"
+import {
+  rememberServerIfaces,
+  resetIfaceCacheForTests,
+  resolveIfaceName,
+  rosIdToIfIndex,
+  shouldRefreshIfaces,
+  markIfaceRefreshAttempt,
+} from "./traffic-flow-ifindex.js"
+import { applicationName, flowRowMatchesFilter } from "./traffic-flow-apps.js"
+
+assert.equal(rosIdToIfIndex("*A"), 10)
+assert.equal(rosIdToIfIndex("*D"), 13)
+assert.equal(rosIdToIfIndex("*2"), 2)
+assert.equal(rosIdToIfIndex("*9"), 9)
+assert.equal(rosIdToIfIndex("0"), 0)
+assert.equal(rosIdToIfIndex(""), null)
+
+resetIfaceCacheForTests()
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "ether1" },
+  { ".id": "*A", name: "wg-flow" },
+  { ".id": "*D", name: "bridge" },
+])
+assert.equal(resolveIfaceName(7, "2").name, "ether1")
+assert.equal(resolveIfaceName(7, "10").name, "wg-flow")
+assert.equal(resolveIfaceName(7, "13").name, "bridge")
+assert.equal(resolveIfaceName(7, "0").name, "—")
+assert.equal(resolveIfaceName(7, "ether1").name, "ether1")
+assert.equal(resolveIfaceName(7, "99").name, "#99")
+
+resetIfaceCacheForTests()
+rememberServerIfaces(8, [
+  { ifindex: "10", ".id": "*12", name: "gre1" },
+])
+assert.equal(rosIdToIfIndex("*12"), 18)
+assert.equal(resolveIfaceName(8, "10").name, "gre1")
+assert.equal(resolveIfaceName(8, "18").name, "gre1")
+
+resetIfaceCacheForTests()
+assert.equal(shouldRefreshIfaces(9), true)
+rememberServerIfaces(9, [{ ".id": "*2", name: "ether1" }])
+assert.equal(shouldRefreshIfaces(9), false)
+resetIfaceCacheForTests()
+markIfaceRefreshAttempt(9)
+assert.equal(shouldRefreshIfaces(9), false)
+
+assert.equal(applicationName(6, 443), "HTTPS")
+assert.equal(applicationName(17, 53), "DNS")
+assert.equal(applicationName(6, 22), "SSH")
+assert.equal(applicationName(17, 51820), "WireGuard")
+assert.equal(applicationName(6, 179), "BGP")
+
+const allow = new Map<number, Set<string>>([[7, new Set(["ether1", "wg-flow"])]])
+assert.equal(flowRowMatchesFilter({ serverId: 7, inIface: "2" }, "ether1", {}, allow), true)
+assert.equal(flowRowMatchesFilter({ serverId: 7, inIface: "2" }, "bridge", {}, allow), false)
+assert.equal(flowRowMatchesFilter({ serverId: 7, inIface: "2" }, "ether1", { iface: "ether1" }, allow), true)
+assert.equal(flowRowMatchesFilter({ serverId: 7, inIface: "2" }, "ether1", { iface: "wg-flow" }, allow), false)
+assert.equal(flowRowMatchesFilter({ serverId: 8, inIface: "2" }, "ether1", { serverId: 7 }, null), false)
+
+console.log("traffic-flow-ifaces.test.ts: ok")

backend/src/services/traffic-flow-ifaces.ts

@@ -0,0 +1,56 @@
+import { eq } from "drizzle-orm"
+import { db } from "../db/index.js"
+import { servers } from "../db/schema.js"
+import { MikrotikClient } from "./mikrotik.js"
+import {
+  rememberServerIfaces,
+  shouldRefreshIfaces,
+  markIfaceRefreshAttempt,
+  type RosIfaceIndexRow,
+} from "./traffic-flow-ifindex.js"
+
+export {
+  ifaceCacheFresh,
+  ifaceCacheHas,
+  rememberServerIfaces,
+  resetIfaceCacheForTests,
+  resolveIfaceName,
+  rosIdToIfIndex,
+  shouldRefreshIfaces,
+  markIfaceRefreshAttempt,
+} from "./traffic-flow-ifindex.js"
+
+const inflight = new Set<number>()
+let refreshIfacesImpl: (serverId: number, force?: boolean) => Promise<void> = refreshServerIfacesInner
+
+async function refreshServerIfacesInner(serverId: number, force = false): Promise<void> {
+  if (inflight.has(serverId)) return
+  if (!force && !shouldRefreshIfaces(serverId)) return
+  inflight.add(serverId)
+  try {
+    const row = db.select().from(servers).where(eq(servers.id, serverId)).limit(1).all()[0]
+    if (!row) return
+    const client = MikrotikClient.fromServer(row)
+    const ifaces = await client.get<RosIfaceIndexRow[]>("/interface")
+    rememberServerIfaces(serverId, Array.isArray(ifaces) ? ifaces : [])
+  } catch {
+    /* keep previous cache */
+  } finally {
+    markIfaceRefreshAttempt(serverId)
+    inflight.delete(serverId)
+  }
+}
+
+export async function refreshServerIfaces(serverId: number, force = false): Promise<void> {
+  return refreshIfacesImpl(serverId, force)
+}
+
+export function maybeRefreshIfaces(serverId: number): boolean {
+  if (!shouldRefreshIfaces(serverId)) return false
+  void refreshIfacesImpl(serverId)
+  return true
+}
+
+export function setRefreshIfacesForTests(fn: typeof refreshServerIfacesInner | null): void {
+  refreshIfacesImpl = fn ?? refreshServerIfacesInner
+}

backend/src/services/traffic-flow-ifindex.ts

@@ -0,0 +1,71 @@
+export interface RosIfaceIndexRow {
+  ".id"?: string
+  name?: string
+  ifindex?: string
+}
+
+const cache = new Map<number, Map<number, string>>()
+const fetchedAt = new Map<number, number>()
+const lastAttempt = new Map<number, number>()
+
+export const IFACE_CACHE_TTL_MS = 60_000
+
+/** RouterOS `.id` (`*A`) → SNMP ifIndex (10). */
+export function rosIdToIfIndex(id: string | undefined | null): number | null {
+  if (!id) return null
+  const raw = String(id).trim()
+  const hex = raw.startsWith("*") ? raw.slice(1) : raw
+  if (!hex || !/^[0-9a-fA-F]+$/.test(hex)) return null
+  const n = parseInt(hex, 16)
+  return Number.isFinite(n) ? n : null
+}
+
+export function rememberServerIfaces(serverId: number, rows: RosIfaceIndexRow[]): void {
+  const map = new Map<number, string>()
+  for (const row of rows) {
+    const name = String(row.name ?? "").trim()
+    if (!name) continue
+    const fromProp = Number.parseInt(String(row.ifindex ?? ""), 10)
+    const fromId = rosIdToIfIndex(row[".id"])
+    if (Number.isFinite(fromProp) && fromProp > 0) map.set(fromProp, name)
+    if (fromId != null && fromId > 0) map.set(fromId, name)
+  }
+  cache.set(serverId, map)
+  fetchedAt.set(serverId, Date.now())
+}
+
+export function resolveIfaceName(serverId: number, indexOrName: string): { name: string; index: string } {
+  const trimmed = String(indexOrName ?? "").trim()
+  if (!trimmed || trimmed === "0") return { name: "—", index: trimmed }
+  if (!/^\d+$/.test(trimmed)) return { name: trimmed, index: "" }
+  const idx = Number(trimmed)
+  const name = cache.get(serverId)?.get(idx)
+  if (name) return { name, index: trimmed }
+  return { name: `#${trimmed}`, index: trimmed }
+}
+
+export function ifaceCacheHas(serverId: number): boolean {
+  return cache.has(serverId)
+}
+
+export function ifaceCacheFresh(serverId: number, ttlMs = IFACE_CACHE_TTL_MS): boolean {
+  const prev = fetchedAt.get(serverId) ?? 0
+  return Boolean(prev && Date.now() - prev < ttlMs && cache.has(serverId))
+}
+
+/** Не ходить в REST, пока кэш жив или с момента последней попытки не прошёл TTL. */
+export function shouldRefreshIfaces(serverId: number, ttlMs = IFACE_CACHE_TTL_MS): boolean {
+  if (ifaceCacheFresh(serverId, ttlMs)) return false
+  const attempted = lastAttempt.get(serverId) ?? 0
+  return !(attempted && Date.now() - attempted < ttlMs)
+}
+
+export function markIfaceRefreshAttempt(serverId: number, at = Date.now()): void {
+  lastAttempt.set(serverId, at)
+}
+
+export function resetIfaceCacheForTests(): void {
+  cache.clear()
+  fetchedAt.clear()
+  lastAttempt.clear()
+}

backend/src/services/traffic-flow-ingest.test.ts

@@ -0,0 +1,120 @@
+import assert from "node:assert/strict"
+import {
+  markIfaceRefreshAttempt,
+  rememberServerIfaces,
+  resetIfaceCacheForTests,
+  shouldRefreshIfaces,
+} from "./traffic-flow-ifindex.js"
+import {
+  applyHeartbeatForTests,
+  flushPendingForTests,
+  getFlowListenerState,
+  getFlowRuntimeCounters,
+  getFlowWorkerHealth,
+  ingestParsedFlowsForServerForTests,
+  lastFlushUsedTransactionForTests,
+  maybeRefreshIfaces,
+  peekPendingFlows,
+  resetFlowRingsForTests,
+  setPendingCapForTests,
+  setRefreshIfacesForTests,
+  setWantListenForTests,
+  simulateWorkerExitForTests,
+} from "./traffic-flow-ingest.js"
+import { configureEngine, droppedForTests, pendingSizeForTests } from "./traffic-flow-engine.js"
+import { sqliteDatabase } from "../db/index.js"
+
+resetIfaceCacheForTests()
+resetFlowRingsForTests()
+
+let refreshCalls = 0
+setRefreshIfacesForTests(async () => {
+  refreshCalls += 1
+})
+
+rememberServerIfaces(1, [{ ".id": "*A", name: "wg-flow" }])
+assert.equal(shouldRefreshIfaces(1), false)
+assert.equal(maybeRefreshIfaces(1), false)
+assert.equal(refreshCalls, 0)
+
+resetIfaceCacheForTests()
+assert.equal(shouldRefreshIfaces(2), true)
+assert.equal(maybeRefreshIfaces(2), true)
+assert.equal(refreshCalls, 1)
+
+markIfaceRefreshAttempt(2)
+assert.equal(shouldRefreshIfaces(2), false)
+assert.equal(maybeRefreshIfaces(2), false)
+assert.equal(refreshCalls, 1)
+
+assert.equal(lastFlushUsedTransactionForTests(), false)
+
+resetFlowRingsForTests()
+setPendingCapForTests(3)
+const many = Array.from({ length: 6 }, (_, i) => ({
+  src: `10.1.1.${i + 1}`,
+  dst: "8.8.8.8",
+  proto: 6,
+  srcPort: 50000 + i,
+  dstPort: 443,
+  bytes: 1000,
+  packets: 1,
+  inIface: "2",
+  outIface: "",
+}))
+ingestParsedFlowsForServerForTests(9, many)
+assert.equal(pendingSizeForTests(), 3)
+assert.equal(droppedForTests(), 3)
+assert.equal(peekPendingFlows().length, 3)
+setPendingCapForTests(null)
+
+resetFlowRingsForTests()
+configureEngine({ topN: 20 })
+const talkers = Array.from({ length: 25 }, (_, i) => ({
+  src: `10.2.1.${i + 1}`,
+  dst: "1.1.1.1",
+  proto: 6,
+  srcPort: 40000 + i,
+  dstPort: 443,
+  bytes: 1000 + i,
+  packets: 1,
+  inIface: "2",
+  outIface: "",
+}))
+ingestParsedFlowsForServerForTests(9, talkers)
+flushPendingForTests()
+const stored = sqliteDatabase.prepare(`
+  SELECT COUNT(*) AS n FROM flow_buckets WHERE server_id = 9
+`).get() as { n: number }
+assert.ok(stored.n <= 20, `expected topN cap, got ${stored.n}`)
+sqliteDatabase.prepare(`DELETE FROM flow_buckets WHERE server_id = 9`).run()
+sqliteDatabase.prepare(`DELETE FROM flow_minute_stats WHERE server_id = 9`).run()
+sqliteDatabase.prepare(`DELETE FROM flow_minute_dims WHERE server_id = 9`).run()
+sqliteDatabase.prepare(`DELETE FROM flow_daily_dims WHERE server_id = 9`).run()
+
+applyHeartbeatForTests({
+  bound: true,
+  address: "127.0.0.1:4739",
+  packetsReceived: 42,
+  lastExporterIp: "10.255.254.3",
+  lastError: "",
+  lastDatagramAt: new Date().toISOString(),
+  pendingSize: 1,
+  dropped: 0,
+  rowsStored: 1,
+  workerAlive: true,
+  rings: [],
+})
+assert.equal(getFlowListenerState().bound, true)
+assert.equal(getFlowRuntimeCounters().packetsReceived, 42)
+assert.equal(getFlowWorkerHealth().alive, false)
+setWantListenForTests(true)
+assert.equal(simulateWorkerExitForTests(), 1)
+assert.equal(getFlowListenerState().bound, false)
+setWantListenForTests(false)
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+setRefreshIfacesForTests(null)
+
+console.log("traffic-flow-ingest.test.ts: ok")

backend/src/services/traffic-flow-ingest.ts

@@ -1,209 +1,340 @@
-import { createSocket, type Socket } from "node:dgram"
-import { desc, eq, gte, sql } from "drizzle-orm"
-import { db } from "../db/index.js"
+import { Worker } from "node:worker_threads"
+import { existsSync, statSync } from "node:fs"
+import path from "node:path"
+import { gte, sql } from "drizzle-orm"
+import { beginSqliteExclusiveOp, db, endSqliteExclusiveOp, sqliteDatabase } from "../db/index.js"
+import { env } from "../config.js"
 import { flowBuckets, servers } from "../db/schema.js"
-import type { FlowStatsDto, FlowTalkerDto } from "@mmapp/contracts/traffic-flow"
-import { parseFlowPacket, protoName, type ParsedFlow } from "./traffic-flow-parse.js"
-import { pickServerIdForExporter } from "./traffic-flow-map-exporter.js"
+import type { FlowPurgeDto, FlowStatsDto, FlowTalkerDto } from "@mmapp/contracts/traffic-flow"
+import { protoName, type ParsedFlowInput } from "./traffic-flow-parse.js"
+import type { CollectorHeartbeat, ExporterMapPayload, MainToWorker, WorkerToMain } from "./traffic-flow-collector-ipc.js"
+import {
+  attachEngineSqlite,
+  applyRingSnapshot,
+  configureEngine,
+  flushPending,
+  getEngineStats,
+  getRingMbps as engineGetRingMbps,
+  ingestParsedFlowsForServerForTests as engineIngestForServer,
+  lastFlushUsedTransactionForTests as engineLastFlushTx,
+  listLiveFlowRows as engineListLive,
+  peekPendingFlows,
+  queueParsedFlows,
+  resetEngineForTests,
+  resolveServerId,
+  rollFlowRings,
+  setExporterResolveCtx,
+  type PendingFlowRow,
+} from "./traffic-flow-engine.js"
 import {
   getTrafficFlowSettingsRow,
   listHostPeers,
-  recordFlowListenerError,
-  recordFlowPacket,
+  resetFlowIngestCounters,
 } from "./traffic-flow-settings.js"
+import { applicationName } from "./traffic-flow-apps.js"
+import { resolveIfaceName } from "./traffic-flow-ifaces.js"
+import { getServerCatalog } from "./traffic-flow-topology.js"
+
+export type { PendingFlowRow }
 
 export interface FlowListenerState {
   bound: boolean
   address: string | null
 }
 
-let socket: Socket | null = null
+export interface FlowWorkerHealth {
+  alive: boolean
+  bound: boolean
+  pendingSize: number
+  dropped: number
+  packetsReceived: number
+}
+
+let worker: Worker | null = null
+let restartTimer: ReturnType<typeof setTimeout> | null = null
+let restartAttempts = 0
+let lastHeartbeat: CollectorHeartbeat | null = null
 let state: FlowListenerState = { bound: false, address: null }
-const pending = new Map<string, {
-  serverId: number
-  bucketAt: string
-  flow: ParsedFlow
-  bytes: number
-  packets: number
-}>()
-let flushTimer: ReturnType<typeof setInterval> | null = null
+let wantListen = false
 
-export function getFlowListenerState(): FlowListenerState {
-  return state
+attachEngineSqlite(sqliteDatabase)
+
+function workerFileUrl(): URL {
+  const ts = import.meta.url.includes(".ts")
+  return new URL(
+    ts ? "./traffic-flow-collector-worker.ts" : "./traffic-flow-collector-worker.js",
+    import.meta.url,
+  )
 }
 
-function minuteBucketIso(at = Date.now()): string {
-  const d = new Date(at)
-  d.setSeconds(0, 0)
-  return d.toISOString()
-}
-
-function resolveServerId(exporterIp: string): number | null {
+export function buildExporterMapPayload(): ExporterMapPayload {
   const settings = getTrafficFlowSettingsRow()
   const rows = db.select({
     id: servers.id,
     host: servers.host,
     mgmtTunnelIp: servers.mgmtTunnelIp,
   }).from(servers).all()
-  const byTunnelIp = new Map<string, number>()
-  const hostIps = new Map<string, number>()
+  const byTunnelIp: Array<[string, number]> = []
+  const hostIps: Array<[string, number]> = []
   for (const row of rows) {
-    if (row.mgmtTunnelIp) byTunnelIp.set(row.mgmtTunnelIp, row.id)
-    if (/^\d{1,3}(?:\.\d{1,3}){3}$/.test(row.host)) hostIps.set(row.host, row.id)
+    if (row.mgmtTunnelIp) byTunnelIp.push([row.mgmtTunnelIp, row.id])
+    if (/^\d{1,3}(?:\.\d{1,3}){3}$/.test(row.host)) hostIps.push([row.host, row.id])
   }
-  return pickServerIdForExporter({
-    exporterIp,
+  return {
     overlayPrefix: settings.prefix,
     byTunnelIp,
     peers: listHostPeers(),
     hostIps,
+  }
+}
+
+function applyExporterCtxFromDb(): void {
+  const payload = buildExporterMapPayload()
+  setExporterResolveCtx({
+    overlayPrefix: payload.overlayPrefix,
+    byTunnelIp: new Map(payload.byTunnelIp),
+    peers: payload.peers,
+    hostIps: new Map(payload.hostIps),
   })
 }
 
-function queueFlows(exporterIp: string, flows: ParsedFlow[]): boolean {
-  const serverId = resolveServerId(exporterIp)
-  if (serverId == null) return false
-  const bucketAt = minuteBucketIso()
-  for (const flow of flows) {
-    const key = `${serverId}\0${bucketAt}\0${flow.src}\0${flow.dst}\0${flow.proto}\0${flow.srcPort}\0${flow.dstPort}`
-    const prev = pending.get(key)
-    if (prev) {
-      prev.bytes += flow.bytes
-      prev.packets += flow.packets
-    } else {
-      pending.set(key, {
-        serverId,
-        bucketAt,
-        flow: { ...flow },
-        bytes: flow.bytes,
-        packets: flow.packets,
-      })
-    }
-  }
-  return true
+function postToWorker(msg: MainToWorker): void {
+  worker?.postMessage(msg)
 }
 
-function flushPending() {
-  if (pending.size === 0) return
+function handleWorkerMessage(msg: WorkerToMain): void {
+  if (msg.type === "heartbeat") {
+    lastHeartbeat = msg.payload
+    state = { bound: msg.payload.bound, address: msg.payload.address }
+    applyRingSnapshot(msg.payload.rings)
+    restartAttempts = 0
+    return
+  }
+  if (msg.type === "error") {
+    lastHeartbeat = lastHeartbeat
+      ? { ...lastHeartbeat, lastError: msg.payload.message, workerAlive: true }
+      : null
+  }
+}
+
+function spawnWorker(): void {
+  stopWorkerProcess()
   const settings = getTrafficFlowSettingsRow()
-  const topN = Math.max(20, settings.topN)
-  const cutoff = new Date(Date.now() - settings.retentionHours * 3600_000).toISOString()
-  const rows = [...pending.values()]
-  pending.clear()
+  configureEngine({ topN: settings.topN, retentionHours: settings.retentionHours })
+  applyExporterCtxFromDb()
+  const w = new Worker(workerFileUrl(), { execArgv: process.execArgv })
+  w.on("message", (msg: WorkerToMain) => handleWorkerMessage(msg))
+  w.on("error", (err) => {
+    state = { bound: false, address: null }
+    lastHeartbeat = lastHeartbeat
+      ? { ...lastHeartbeat, workerAlive: false, lastError: err.message, bound: false }
+      : {
+          bound: false,
+          address: null,
+          packetsReceived: 0,
+          lastExporterIp: null,
+          lastError: err.message,
+          lastDatagramAt: null,
+          pendingSize: 0,
+          dropped: 0,
+          rowsStored: 0,
+          workerAlive: false,
+          rings: [],
+        }
+  })
+  w.on("exit", (code) => {
+    worker = null
+    state = { bound: false, address: null }
+    if (!wantListen) return
+    const delay = Math.min(30_000, 1000 * 2 ** restartAttempts)
+    restartAttempts += 1
+    restartTimer = setTimeout(() => {
+      if (wantListen) spawnWorker()
+    }, delay)
+    void code
+  })
+  worker = w
+  const host = process.env.FLOW_LISTEN_HOST?.trim() || settings.collectorIp || "127.0.0.1"
+  postToWorker({
+    type: "start",
+    payload: {
+      dbPath: env.DATABASE_PATH,
+      listenHost: host,
+      listenPort: settings.flowListenPort,
+      topN: settings.topN,
+      retentionHours: settings.retentionHours,
+      exporterMap: buildExporterMapPayload(),
+    },
+  })
+}
 
-  for (const row of rows) {
+function stopWorkerProcess(): void {
+  if (restartTimer) {
+    clearTimeout(restartTimer)
+    restartTimer = null
+  }
+  if (worker) {
     try {
-      db.insert(flowBuckets).values({
-        serverId: row.serverId,
-        bucketAt: row.bucketAt,
-        src: row.flow.src || "0.0.0.0",
-        dst: row.flow.dst || "0.0.0.0",
-        proto: row.flow.proto,
-        srcPort: row.flow.srcPort,
-        dstPort: row.flow.dstPort,
-        bytes: row.bytes,
-        packets: row.packets,
-        inIface: row.flow.inIface,
-      }).onConflictDoUpdate({
-        target: [
-          flowBuckets.serverId,
-          flowBuckets.bucketAt,
-          flowBuckets.src,
-          flowBuckets.dst,
-          flowBuckets.proto,
-          flowBuckets.srcPort,
-          flowBuckets.dstPort,
-        ],
-        set: {
-          bytes: sql`${flowBuckets.bytes} + excluded.bytes`,
-          packets: sql`${flowBuckets.packets} + excluded.packets`,
-        },
-      }).run()
+      postToWorker({ type: "stop" })
+      void worker.terminate()
     } catch {
-      // ignore single-row failures
-    }
-  }
-
-  db.delete(flowBuckets).where(sql`${flowBuckets.bucketAt} < ${cutoff}`).run()
-
-  const latest = db.select({ bucketAt: flowBuckets.bucketAt }).from(flowBuckets)
-    .orderBy(desc(flowBuckets.bucketAt)).limit(1).all()[0]?.bucketAt
-  if (!latest) return
-  const latestRows = db.select().from(flowBuckets).where(eq(flowBuckets.bucketAt, latest)).all()
-  const byServer = new Map<number, typeof latestRows>()
-  for (const r of latestRows) {
-    const list = byServer.get(r.serverId) ?? []
-    list.push(r)
-    byServer.set(r.serverId, list)
-  }
-  for (const list of byServer.values()) {
-    if (list.length <= topN) continue
-    list.sort((a, b) => b.bytes - a.bytes)
-    for (const d of list.slice(topN)) {
-      db.delete(flowBuckets).where(eq(flowBuckets.id, d.id)).run()
+      /* ignore */
     }
+    worker = null
   }
 }
 
-function onMessage(msg: Buffer, rinfo: { address: string }) {
-  try {
-    const flows = parseFlowPacket(msg, rinfo.address)
-    recordFlowPacket(rinfo.address)
-    if (!flows.length) return
-    if (!queueFlows(rinfo.address, flows)) {
-      recordFlowListenerError(
-        `IPFIX от ${rinfo.address}: нет jump-host с адресом wg-flow. Docker SNAT (172.x) при нескольких JH не различим.`,
-      )
-      return
-    }
-    recordFlowListenerError("")
-  } catch (e) {
-    recordFlowListenerError(e instanceof Error ? e.message : String(e))
-  }
+export function reattachFlowSqlite(): void {
+  attachEngineSqlite(sqliteDatabase)
 }
 
-export function stopTrafficFlowListener() {
-  if (flushTimer) {
-    clearInterval(flushTimer)
-    flushTimer = null
-  }
-  flushPending()
-  if (socket) {
-    try { socket.close() } catch { /* ignore */ }
-    socket = null
-  }
+export function applyHeartbeatForTests(payload: CollectorHeartbeat): void {
+  handleWorkerMessage({ type: "heartbeat", payload })
+}
+
+export function simulateWorkerExitForTests(): number {
+  worker = null
   state = { bound: false, address: null }
+  lastHeartbeat = lastHeartbeat ? { ...lastHeartbeat, workerAlive: false, bound: false } : null
+  if (!wantListen) return restartAttempts
+  restartAttempts += 1
+  return restartAttempts
+}
+
+export function setWantListenForTests(value: boolean): void {
+  wantListen = value
+}
+
+export function getFlowListenerState(): FlowListenerState {
+  return state
+}
+
+export function getFlowWorkerHealth(): FlowWorkerHealth {
+  const hb = lastHeartbeat
+  const mem = getEngineStats()
+  return {
+    alive: Boolean(worker) && (hb?.workerAlive ?? false),
+    bound: state.bound,
+    pendingSize: hb?.pendingSize ?? mem.pendingSize,
+    dropped: hb?.dropped ?? mem.dropped,
+    packetsReceived: hb?.packetsReceived ?? mem.packetsReceived,
+  }
+}
+
+export function getFlowRuntimeCounters() {
+  const settings = getTrafficFlowSettingsRow()
+  const hb = lastHeartbeat
+  return {
+    packetsReceived: hb?.packetsReceived ?? settings.packetsReceived,
+    lastExporterIp: hb?.lastExporterIp ?? settings.lastExporterIp ?? null,
+    lastError: (hb?.lastError ?? settings.lastError) || null,
+    lastDatagramAt: hb?.lastDatagramAt ?? settings.lastDatagramAt ?? null,
+    dropped: hb?.dropped ?? 0,
+  }
 }
 
 export function startTrafficFlowListener() {
   stopTrafficFlowListener()
   const settings = getTrafficFlowSettingsRow()
   if (!settings.enabled) {
+    wantListen = false
     state = { bound: false, address: null }
     return
   }
-  const host = process.env.FLOW_LISTEN_HOST?.trim() || settings.collectorIp || "127.0.0.1"
-  const port = settings.flowListenPort
-  const sock = createSocket("udp4")
-  sock.on("error", (err) => {
-    recordFlowListenerError(err.message)
-    state = { bound: false, address: null }
-  })
-  sock.on("message", onMessage)
-  sock.bind(port, host, () => {
-    state = { bound: true, address: `${host}:${port}` }
-    recordFlowListenerError("")
-  })
-  socket = sock
-  flushTimer = setInterval(flushPending, 15_000)
+  wantListen = true
+  spawnWorker()
+}
+
+export function stopTrafficFlowListener() {
+  wantListen = false
+  stopWorkerProcess()
+  try {
+    flushPending()
+  } catch {
+    /* ignore */
+  }
+  state = { bound: false, address: null }
+}
+
+export function refreshFlowExporterMap(): void {
+  applyExporterCtxFromDb()
+  postToWorker({ type: "updateExporterMap", payload: buildExporterMapPayload() })
+}
+
+export function getRingMbps(serverId: number, iface = "__all__") {
+  return engineGetRingMbps(serverId, iface)
+}
+
+function mergeInto(map: Map<string, PendingFlowRow>, row: PendingFlowRow): void {
+  const key = `${row.serverId}|${row.bucketAt}|${row.src}|${row.dst}|${row.proto}|${row.srcPort}|${row.dstPort}|${row.inIface}`
+  const prev = map.get(key)
+  if (prev) {
+    prev.bytes += row.bytes
+    prev.packets += row.packets
+    if (row.outIface && !prev.outIface) prev.outIface = row.outIface
+    if (row.nextHop && !prev.nextHop) prev.nextHop = row.nextHop
+    if (row.flowStartMs && (!prev.flowStartMs || row.flowStartMs < prev.flowStartMs)) prev.flowStartMs = row.flowStartMs
+    if (row.flowEndMs > (prev.flowEndMs ?? 0)) prev.flowEndMs = row.flowEndMs
+    return
+  }
+  map.set(key, { ...row })
+}
+
+export function listLiveFlowRows(sinceIso: string): PendingFlowRow[] {
+  if (worker && lastHeartbeat?.workerAlive) {
+    return listStoredFlowRows(sinceIso)
+  }
+  return engineListLive(sinceIso)
+}
+
+export function listStoredFlowRows(sinceIso: string): PendingFlowRow[] {
+  const settings = getTrafficFlowSettingsRow()
+  const cap = Math.max(20, settings.topN) * 60
+  const stored = db.select().from(flowBuckets)
+    .where(gte(flowBuckets.bucketAt, sinceIso))
+    .orderBy(sql`${flowBuckets.bytes} DESC`)
+    .limit(cap)
+    .all()
+  const merged = new Map<string, PendingFlowRow>()
+  for (const r of stored) {
+    mergeInto(merged, {
+      serverId: r.serverId,
+      bucketAt: r.bucketAt,
+      src: r.src,
+      dst: r.dst,
+      proto: r.proto,
+      srcPort: r.srcPort,
+      dstPort: r.dstPort,
+      bytes: r.bytes,
+      packets: r.packets,
+      inIface: r.inIface,
+      outIface: r.outIface ?? "",
+      nextHop: r.nextHop ?? "",
+      flowStartMs: r.flowStartMs ?? 0,
+      flowEndMs: r.flowEndMs ?? 0,
+    })
+  }
+  if (!worker) {
+    for (const p of peekPendingFlows()) {
+      if (p.bucketAt < sinceIso) continue
+      mergeInto(merged, p)
+    }
+  }
+  return [...merged.values()]
+}
+
+export function listFlowRowsForWindow(minutes: number): PendingFlowRow[] {
+  const sinceIso = new Date(Date.now() - minutes * 60_000).toISOString()
+  if (minutes <= 15 && !worker) return listLiveFlowRows(sinceIso)
+  return listStoredFlowRows(sinceIso)
 }
 
 export function listFlowTalkers(minutes = 5): FlowStatsDto {
   const settings = getTrafficFlowSettingsRow()
-  const rangeStart = new Date(Date.now() - minutes * 60_000).toISOString()
-  const rows = db.select().from(flowBuckets).where(gte(flowBuckets.bucketAt, rangeStart)).all()
-  const serverRows = db.select().from(servers).all()
-  const nameById = new Map(serverRows.map((s) => [s.id, s.name || s.host]))
+  const runtime = getFlowRuntimeCounters()
+  const rows = listFlowRowsForWindow(minutes)
+  const catalog = getServerCatalog()
+  const nameById = new Map([...catalog.byId].map(([id, s]) => [id, s.name]))
   const agg = new Map<string, FlowTalkerDto & { rawBytes: number }>()
   const protoBytes = new Map<number, number>()
   const srcs = new Set<string>()
@@ -211,7 +342,8 @@ export function listFlowTalkers(minutes = 5): FlowStatsDto {
   const exporters = new Set<number>()
   let totalBytes = 0
   for (const r of rows) {
-    const key = `${r.serverId}|${r.src}|${r.dst}|${r.proto}|${r.srcPort}|${r.dstPort}`
+    const resolved = resolveIfaceName(r.serverId, r.inIface)
+    const key = `${r.serverId}|${r.src}|${r.dst}|${r.proto}|${r.srcPort}|${r.dstPort}|${r.inIface}`
     const prev = agg.get(key)
     const bytes = r.bytes
     totalBytes += bytes
@@ -236,7 +368,9 @@ export function listFlowTalkers(minutes = 5): FlowStatsDto {
         bytes,
         packets: r.packets,
         bps: 0,
-        inIface: r.inIface,
+        inIface: resolved.name,
+        inIfaceIndex: resolved.index,
+        application: applicationName(r.proto, r.dstPort, r.srcPort),
         rawBytes: bytes,
       })
     }
@@ -262,16 +396,124 @@ export function listFlowTalkers(minutes = 5): FlowStatsDto {
     uniqueDst: dsts.size,
     topProto,
     talkers,
-    lastExporterIp: settings.lastExporterIp ?? null,
-    lastError: settings.lastError || null,
-    packetsReceived: settings.packetsReceived,
-    lastDatagramAt: settings.lastDatagramAt ?? null,
+    lastExporterIp: runtime.lastExporterIp,
+    lastError: runtime.lastError,
+    packetsReceived: runtime.packetsReceived,
+    lastDatagramAt: runtime.lastDatagramAt,
     listenerBound: state.bound,
     listenerAddress: state.address,
   }
 }
 
-export function ingestParsedFlowsForTests(exporterIp: string, flows: ParsedFlow[]) {
-  queueFlows(exporterIp, flows)
+export function ingestParsedFlowsForTests(exporterIp: string, flows: ParsedFlowInput[]) {
+  applyExporterCtxFromDb()
+  const serverId = resolveServerId(exporterIp)
+  if (serverId == null) return
+  queueParsedFlows(serverId, flows)
+  rollFlowRings()
   flushPending()
 }
+
+export function ingestParsedFlowsForServerForTests(serverId: number, flows: ParsedFlowInput[]) {
+  engineIngestForServer(serverId, flows)
+}
+
+export function resetFlowRingsForTests() {
+  resetEngineForTests()
+  attachEngineSqlite(sqliteDatabase)
+  lastHeartbeat = null
+  wantListen = false
+  restartAttempts = 0
+}
+
+export function lastFlushUsedTransactionForTests(): boolean {
+  return engineLastFlushTx()
+}
+
+export function flushPendingForTests(): void {
+  flushPending()
+}
+
+function tableCount(name: string): number {
+  const row = sqliteDatabase.prepare(`SELECT COUNT(*) AS n FROM ${name}`).get() as { n: number }
+  return Number(row?.n) || 0
+}
+
+function dbFileBytes(): number {
+  const resolved = path.resolve(process.cwd(), env.DATABASE_PATH)
+  if (!existsSync(resolved)) return 0
+  return statSync(resolved).size
+}
+
+async function stopWorkerProcessAsync(): Promise<void> {
+  if (restartTimer) {
+    clearTimeout(restartTimer)
+    restartTimer = null
+  }
+  if (!worker) return
+  const current = worker
+  worker = null
+  try {
+    current.postMessage({ type: "stop" })
+    await current.terminate()
+  } catch {
+    /* ignore */
+  }
+}
+
+/** Удаляет сессии, minute/daily rollup и сжимает SQLite. Ключи WG и пиры JH не трогает. */
+export async function purgeTrafficFlowStore(): Promise<FlowPurgeDto> {
+  beginSqliteExclusiveOp()
+  try {
+    wantListen = false
+    await stopWorkerProcessAsync()
+    resetEngineForTests()
+    attachEngineSqlite(sqliteDatabase)
+    lastHeartbeat = null
+    state = { bound: false, address: null }
+    const fileBytesBefore = dbFileBytes()
+    const deleted = {
+      buckets: tableCount("flow_buckets"),
+      minuteStats: tableCount("flow_minute_stats"),
+      minuteDims: tableCount("flow_minute_dims"),
+      dailyDims: tableCount("flow_daily_dims"),
+    }
+    sqliteDatabase.exec(`
+      DELETE FROM flow_buckets;
+      DELETE FROM flow_minute_stats;
+      DELETE FROM flow_minute_dims;
+      DELETE FROM flow_daily_dims;
+    `)
+    resetFlowIngestCounters()
+    try {
+      sqliteDatabase.pragma("wal_checkpoint(TRUNCATE)")
+    } catch {
+      /* ignore */
+    }
+    let vacuumed = false
+    try {
+      sqliteDatabase.exec("VACUUM")
+      vacuumed = true
+    } catch {
+      vacuumed = false
+    }
+    return {
+      ok: true,
+      deleted,
+      fileBytesBefore,
+      fileBytesAfter: dbFileBytes(),
+      vacuumed,
+    }
+  } finally {
+    try {
+      startTrafficFlowListener()
+    } catch {
+      /* ingest мог остаться выключенным */
+    }
+    endSqliteExclusiveOp()
+  }
+}
+
+export { peekPendingFlows }
+export { setPendingCapForTests } from "./traffic-flow-engine.js"
+export { maybeRefreshIfaces, setRefreshIfacesForTests } from "./traffic-flow-ifaces.js"

backend/src/services/traffic-flow-ip.test.ts

@@ -0,0 +1,25 @@
+import assert from "node:assert/strict"
+import { isNonPublicIp, pickInternetPeer } from "./traffic-flow-ip.js"
+
+assert.equal(isNonPublicIp("10.200.100.53"), true)
+assert.equal(isNonPublicIp("173.194.151.65"), false)
+
+assert.equal(
+  pickInternetPeer("173.194.151.65", "10.200.100.53", 443, 57182),
+  "173.194.151.65",
+  "reverse IPFIX: Google:443 → RFC1918",
+)
+assert.equal(
+  pickInternetPeer("10.200.100.53", "104.18.35.51", 53880, 443),
+  "104.18.35.51",
+  "client → Cloudflare:443",
+)
+assert.equal(pickInternetPeer("10.100.1.17", "8.8.8.8", 51234, 443), "8.8.8.8")
+assert.equal(
+  pickInternetPeer("1.1.1.1", "8.8.8.8", 443, 51234),
+  "1.1.1.1",
+  "оба публичные — сторона с well-known портом",
+)
+assert.equal(pickInternetPeer("10.1.1.1", "10.2.2.2", 443, 80), "10.2.2.2")
+
+console.log("traffic-flow-ip.test.ts: ok")

backend/src/services/traffic-flow-ip.ts

@@ -0,0 +1,74 @@
+/** IPv4 helpers for RIPEstat prefix cache and EvoBGP CIDR match. */
+
+export function ipv4ToInt(ip: string): number | null {
+  const parts = String(ip ?? "").trim().split(".")
+  if (parts.length !== 4) return null
+  let n = 0
+  for (const p of parts) {
+    if (!/^\d+$/.test(p)) return null
+    const o = Number(p)
+    if (o < 0 || o > 255) return null
+    n = ((n << 8) >>> 0) + o
+  }
+  return n >>> 0
+}
+
+export function parseCidrV4(cidr: string): { net: number; mask: number; prefixLen: number } | null {
+  const raw = String(cidr ?? "").trim()
+  const [ip, lenRaw] = raw.split("/")
+  const addr = ipv4ToInt(ip ?? "")
+  const prefixLen = Number.parseInt(lenRaw ?? "", 10)
+  if (addr == null || !Number.isFinite(prefixLen) || prefixLen < 0 || prefixLen > 32) return null
+  const mask = prefixLen === 0 ? 0 : (0xffffffff << (32 - prefixLen)) >>> 0
+  return { net: (addr & mask) >>> 0, mask, prefixLen }
+}
+
+export function ipInCidrV4(ip: string, cidr: string): boolean {
+  const addr = ipv4ToInt(ip)
+  const parsed = parseCidrV4(cidr)
+  if (addr == null || !parsed) return false
+  return ((addr & parsed.mask) >>> 0) === parsed.net
+}
+
+export function isNonPublicIp(ip: string): boolean {
+  const trimmed = String(ip ?? "").trim()
+  if (!trimmed) return true
+  if (trimmed.includes(":")) {
+    const lower = trimmed.toLowerCase()
+    return lower === "::1" || lower.startsWith("fe80:") || lower.startsWith("fc") || lower.startsWith("fd") || lower === "::"
+  }
+  const n = ipv4ToInt(trimmed)
+  if (n == null) return true
+  const inRange = (cidr: string) => ipInCidrV4(trimmed, cidr)
+  return (
+    inRange("0.0.0.0/8")
+    || inRange("10.0.0.0/8")
+    || inRange("127.0.0.0/8")
+    || inRange("169.254.0.0/16")
+    || inRange("172.16.0.0/12")
+    || inRange("192.168.0.0/16")
+    || inRange("100.64.0.0/10")
+    || inRange("224.0.0.0/4")
+    || inRange("255.255.255.255/32")
+  )
+}
+
+const PEER_WELL_KNOWN_PORTS = new Set([80, 443, 53, 853])
+
+/**
+ * Интернет-сторона потока: у IPFIX сервис часто в src (Google:443 → RFC1918:ephemeral).
+ * Классифицировать этот IP, не слепой dst.
+ */
+export function pickInternetPeer(src: string, dst: string, srcPort: number, dstPort: number): string {
+  const srcPub = !isNonPublicIp(src)
+  const dstPub = !isNonPublicIp(dst)
+  if (srcPub && !dstPub) return src
+  if (dstPub && !srcPub) return dst
+  if (srcPub && dstPub) {
+    const srcWk = PEER_WELL_KNOWN_PORTS.has(srcPort)
+    const dstWk = PEER_WELL_KNOWN_PORTS.has(dstPort)
+    if (srcWk && !dstWk) return src
+    if (dstWk && !srcWk) return dst
+  }
+  return dst
+}

backend/src/services/traffic-flow-map-hops.test.ts

@@ -0,0 +1,417 @@
+import assert from "node:assert/strict"
+import { rememberServerIfaces, resetIfaceCacheForTests } from "./traffic-flow-ifindex.js"
+import {
+  ingestParsedFlowsForServerForTests,
+  resetFlowRingsForTests,
+} from "./traffic-flow-ingest.js"
+import { buildFlowMapHops, resetFlowMapHopsCacheForTests } from "./traffic-flow-map-hops.js"
+import { seedFlowTopologyForTests, type FlowTopology } from "./traffic-flow-topology.js"
+import { disableCatalogFetchForTests, resetFlowCatalogForTests } from "./traffic-flow-classify.js"
+import {
+  disableRipeEnqueueForTests,
+  disableRipePersistForTests,
+  resetRipeCacheForTests,
+  seedRipeCacheForTests,
+} from "./traffic-flow-ripe.js"
+
+disableCatalogFetchForTests()
+resetFlowCatalogForTests()
+disableRipePersistForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+
+const topo: FlowTopology = {
+  clientIfaces: new Map([[7, new Set(["gre-client"])]]),
+  clientByIface: new Map([["7|gre-client", {
+    userId: "u1",
+    login: "alice",
+    name: "Alice",
+    serverId: 7,
+    interfaceName: "gre-client",
+  }]]),
+  enNodes: [{ id: 9, name: "NSK-EN", hosts: ["198.51.100.1"] }],
+  enHosts: new Set(["198.51.100.1"]),
+  jhHosts: new Set(["203.0.113.10"]),
+  wanIfaces: new Map([[3, new Set(["ether1-rt"])]]),
+  plane: {
+    clientIfaceNames: new Set(["gre-client"]),
+    enHosts: new Set(["198.51.100.1"]),
+    jhHosts: new Set(["203.0.113.10"]),
+  },
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+seedFlowTopologyForTests(topo)
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "gre-client" },
+  { ".id": "*3", name: "gre-jh-en" },
+  { ".id": "*A", name: "wg-flow" },
+])
+rememberServerIfaces(3, [
+  { ".id": "*1", name: "ether1-rt" },
+])
+
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "10.100.1.17",
+    dst: "8.8.8.8",
+    proto: 6,
+    srcPort: 51234,
+    dstPort: 443,
+    bytes: 12_000,
+    packets: 10,
+    inIface: "2",
+    outIface: "3",
+    nextHop: "198.51.100.1",
+  },
+  {
+    src: "203.0.113.10",
+    dst: "198.51.100.1",
+    proto: 47,
+    srcPort: 0,
+    dstPort: 0,
+    bytes: 5_000_000,
+    packets: 4000,
+    inIface: "3",
+    outIface: "3",
+  },
+  {
+    src: "10.100.1.17",
+    dst: "10.100.1.18",
+    proto: 6,
+    srcPort: 50000,
+    dstPort: 443,
+    bytes: 8000,
+    packets: 8,
+    inIface: "2",
+    outIface: "2",
+  },
+  {
+    src: "10.255.254.1",
+    dst: "10.255.254.2",
+    proto: 17,
+    srcPort: 4739,
+    dstPort: 2055,
+    bytes: 400,
+    packets: 2,
+    inIface: "10",
+    outIface: "",
+  },
+])
+ingestParsedFlowsForServerForTests(3, [
+  {
+    src: "192.168.1.10",
+    dst: "8.8.4.4",
+    proto: 6,
+    srcPort: 40000,
+    dstPort: 443,
+    bytes: 3000,
+    packets: 4,
+    inIface: "1",
+    outIface: "1",
+  },
+])
+
+try {
+  resetFlowMapHopsCacheForTests()
+  const def = buildFlowMapHops({ minutes: 5 })
+  assert.equal(def.excludeOverlayApplied, true)
+  assert.equal(def.excludeMeshApplied, true)
+  assert.equal(def.dedupApplied, true)
+  assert.equal(def.windowSec, 300)
+
+  const payloadGre = def.hops.find((h) => h.kind === "gre" && h.fromId === "7" && h.toId === "9")
+  assert.ok(payloadGre, "payload JH→EN hop")
+  assert.equal(payloadGre.bytes, 12_000)
+  assert.equal(payloadGre.bps, (12_000 * 8) / 300)
+  assert.equal(payloadGre.bpsFwd, (12_000 * 8) / 300)
+  assert.equal(payloadGre.iface, "gre-jh-en")
+
+  const greIface = def.hops.find((h) => h.kind === "iface" && h.iface === "gre-jh-en" && h.fromId === "7")
+  assert.ok(greIface)
+  assert.equal(greIface.bytes, 12_000)
+  assert.equal(greIface.bpsFwd, (12_000 * 8) / 300)
+
+  assert.ok(!def.hops.some((h) => h.bytes >= 5_000_000), "overlay GRE proto 47 excluded")
+  assert.ok(!def.hops.some((h) => h.iface === "wg-flow"), "mgmt wg-flow excluded")
+  const clientIngress = def.hops.find((h) => h.iface === "gre-client" && h.fromId === "7" && h.kind === "iface")
+  assert.ok(clientIngress, "payload ingress on client iface")
+  assert.equal(clientIngress.bytes, 12_000)
+
+  const wan = def.hops.find((h) => h.kind === "wan" && h.fromId === "3" && h.iface === "ether1-rt")
+  assert.ok(wan, "WAN hop from home-router")
+  assert.equal(wan.bytes, 3000)
+
+  resetFlowMapHopsCacheForTests()
+  const withAll = buildFlowMapHops({ minutes: 5, excludeOverlay: false, excludeMesh: false })
+  const overlayIface = withAll.hops.find((h) => h.iface === "gre-jh-en" && h.fromId === "7")
+  assert.ok(overlayIface && overlayIface.bytes >= 5_000_000)
+  const meshIface = withAll.hops.find((h) => h.iface === "gre-client" && h.fromId === "7" && h.kind === "iface")
+  assert.ok(meshIface && meshIface.bytes >= 20_000)
+} finally {
+  seedFlowTopologyForTests(null)
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+}
+
+console.log("traffic-flow-map-hops.test.ts: hops ok")
+
+function googleRipe() {
+  seedRipeCacheForTests({
+    prefix: "8.8.8.0/24",
+    asn: 15169,
+    country: "US",
+    lat: 37.4,
+    lng: -122.1,
+    holder: "GOOGLE",
+    ok: true,
+    fetchedAt: Date.now(),
+  })
+}
+
+function payloadFlow(dst: string, bytes: number) {
+  return {
+    src: "10.100.1.17",
+    dst,
+    proto: 6,
+    srcPort: 51234,
+    dstPort: 443,
+    bytes,
+    packets: Math.max(1, Math.round(bytes / 1200)),
+    inIface: "2",
+    outIface: "3",
+    nextHop: "198.51.100.1",
+  }
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+seedFlowTopologyForTests(topo)
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "gre-client" },
+  { ".id": "*3", name: "gre-jh-en" },
+])
+googleRipe()
+ingestParsedFlowsForServerForTests(7, [
+  payloadFlow("8.8.8.8", 600),
+  payloadFlow("203.0.113.50", 9400),
+])
+try {
+  resetFlowMapHopsCacheForTests()
+  const six = buildFlowMapHops({ minutes: 5, minSharePct: 5 })
+  assert.equal(six.totalBytes, 10_000)
+  const google = six.services?.find((s) => s.id === "svc:google")
+  assert.ok(google, "Google ≥ 5%")
+  assert.ok(google.share >= 0.05)
+  const googleEdge = six.serviceEdges?.find((e) => e.toId === "svc:google" && e.fromId === "9")
+  assert.ok(googleEdge)
+  assert.equal(googleEdge.clientName, "Alice")
+} finally {
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+seedFlowTopologyForTests(topo)
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "gre-client" },
+  { ".id": "*3", name: "gre-jh-en" },
+])
+googleRipe()
+ingestParsedFlowsForServerForTests(7, [
+  payloadFlow("8.8.8.8", 400),
+  payloadFlow("203.0.113.50", 9600),
+])
+try {
+  resetFlowMapHopsCacheForTests()
+  const four = buildFlowMapHops({ minutes: 5, minSharePct: 5 })
+  assert.equal(four.totalBytes, 10_000)
+  assert.ok(!(four.services ?? []).some((s) => s.id === "svc:google"), "Google < 5% hidden")
+  resetFlowMapHopsCacheForTests()
+  const off = buildFlowMapHops({ minutes: 5, minSharePct: 0 })
+  assert.ok(off.services?.some((s) => s.id === "svc:google"), "порог 0 показывает Google 4%")
+} finally {
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+seedFlowTopologyForTests(topo)
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "gre-client" },
+  { ".id": "*3", name: "gre-jh-en" },
+])
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "203.0.113.10",
+    dst: "198.51.100.1",
+    proto: 47,
+    srcPort: 0,
+    dstPort: 0,
+    bytes: 9_000,
+    packets: 90,
+    inIface: "3",
+    outIface: "3",
+  },
+  payloadFlow("203.0.113.50", 1000),
+])
+try {
+  resetFlowMapHopsCacheForTests()
+  const greOnly = buildFlowMapHops({ minutes: 5, excludeOverlay: false, minSharePct: 0 })
+  assert.ok(!(greOnly.services ?? []).some((s) => s.label === "GRE"), "GRE is not a destination service")
+} finally {
+  seedFlowTopologyForTests(null)
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+seedFlowTopologyForTests(topo)
+rememberServerIfaces(7, [
+  { ".id": "*2", name: "gre-client" },
+  { ".id": "*3", name: "gre-jh-en" },
+])
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "173.194.151.65",
+    dst: "10.200.100.53",
+    proto: 6,
+    srcPort: 443,
+    dstPort: 57182,
+    bytes: 9_000,
+    packets: 90,
+    inIface: "2",
+    outIface: "3",
+    nextHop: "198.51.100.1",
+  },
+  {
+    src: "104.18.35.51",
+    dst: "10.200.100.53",
+    proto: 6,
+    srcPort: 443,
+    dstPort: 53880,
+    bytes: 1_000,
+    packets: 10,
+    inIface: "2",
+    outIface: "3",
+    nextHop: "198.51.100.1",
+  },
+])
+try {
+  resetFlowMapHopsCacheForTests()
+  const rev = buildFlowMapHops({ minutes: 5, minSharePct: 0 })
+  assert.ok(rev.services?.some((s) => s.id === "svc:google"), "реверс Google:443 → 10.x")
+  assert.ok(rev.services?.some((s) => s.id === "svc:cloudflare"), "реверс Cloudflare:443 → 10.x")
+  assert.ok(rev.serviceEdges?.some((e) => e.toId === "svc:google" && e.fromId === "9"))
+} finally {
+  seedFlowTopologyForTests(null)
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+seedFlowTopologyForTests(topo)
+rememberServerIfaces(7, [
+  { ".id": "*1", name: "SWE-VEESP" },
+  { ".id": "*2", name: "gre-client" },
+  { ".id": "*3", name: "gre-jh-en" },
+])
+ingestParsedFlowsForServerForTests(7, [
+  payloadFlow("8.8.8.8", 500),
+  {
+    src: "173.194.151.65",
+    dst: "10.200.100.53",
+    proto: 6,
+    srcPort: 443,
+    dstPort: 57182,
+    bytes: 8_000,
+    packets: 80,
+    inIface: "1",
+    outIface: "1",
+    nextHop: "",
+  },
+])
+try {
+  resetFlowMapHopsCacheForTests()
+  const wan = buildFlowMapHops({ minutes: 5, minSharePct: 0 })
+  const googleEdge = wan.serviceEdges?.find((e) => e.toId === "svc:google")
+  assert.ok(googleEdge, "Google с WAN JH")
+  assert.equal(googleEdge.fromId, "9", "якорь на EN, не на JH")
+  assert.ok(!(wan.serviceEdges ?? []).some((e) => e.fromId === "7"), "нет пунктира с JH")
+  const viaGre = wan.serviceEdges?.find((e) => e.toId === "svc:google")
+  assert.ok(viaGre?.clients?.some((c) => c.name === "Alice") || viaGre?.clientName === "Alice")
+} finally {
+  seedFlowTopologyForTests(null)
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+}
+
+resetFlowRingsForTests()
+resetIfaceCacheForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+seedFlowTopologyForTests(topo)
+rememberServerIfaces(7, [
+  { ".id": "*1", name: "SWE-VEESP" },
+])
+ingestParsedFlowsForServerForTests(7, [
+  {
+    src: "173.194.151.65",
+    dst: "10.200.100.53",
+    proto: 6,
+    srcPort: 443,
+    dstPort: 57182,
+    bytes: 9_000,
+    packets: 80,
+    inIface: "1",
+    outIface: "1",
+    nextHop: "",
+  },
+])
+try {
+  resetFlowMapHopsCacheForTests()
+  const wanOnly = buildFlowMapHops({ minutes: 5, minSharePct: 0 })
+  const googleEdge = wanOnly.serviceEdges?.find((e) => e.toId === "svc:google")
+  assert.ok(googleEdge, "Google WAN без GRE payload")
+  assert.equal(googleEdge.fromId, "9", "единственный EN, даже без nextHop")
+  assert.ok(googleEdge.bps > 0, "скорость на hop EN→сервис")
+  assert.ok(!(wanOnly.serviceEdges ?? []).some((e) => e.fromId === "7"), "нет пунктира с JH")
+  const googlePath = wanOnly.servicePaths?.find((p) => p.serviceId === "svc:google")
+  assert.ok(googlePath, "путь WAN Google")
+  assert.equal(googlePath.viaId, "7", "via = JH exporter")
+  assert.equal(googlePath.enId, "9", "якорь EN")
+  assert.ok(googlePath.bps > 0, "скорость на пути клиента")
+} finally {
+  seedFlowTopologyForTests(null)
+  resetFlowRingsForTests()
+  resetIfaceCacheForTests()
+  resetRipeCacheForTests()
+  resetFlowCatalogForTests()
+}
+
+console.log("traffic-flow-map-hops.test.ts: ok")

backend/src/services/traffic-flow-map-hops.ts

@@ -0,0 +1,521 @@
+import { eq } from "drizzle-orm"
+import type { FlowMapHop, FlowMapHopsDto, FlowMapService, FlowMapServiceEdge, FlowMapServicePath } from "@mmapp/contracts/traffic-flow"
+import { db } from "../db/index.js"
+import { userInterfaceBindings } from "../db/schema.js"
+import { applicationName, flowRowMatchesFilter } from "./traffic-flow-apps.js"
+import {
+  isNamedInternetService,
+  lookupBrand,
+  mapServiceNodeId,
+} from "./traffic-flow-brands.js"
+import { dedupFlowRowsMaxBytes } from "./traffic-flow-dedup.js"
+import { getFlowListenerState, listFlowRowsForWindow } from "./traffic-flow-ingest.js"
+import { resolveIfaceName } from "./traffic-flow-ifaces.js"
+import { classifyFlowPlane, shouldKeepPlane } from "./traffic-flow-planes.js"
+import { pickInternetPeer } from "./traffic-flow-ip.js"
+import { lookupRipeCached, type FlowIpMeta } from "./traffic-flow-ripe.js"
+import { getTrafficFlowSettingsRow } from "./traffic-flow-settings.js"
+import { loadFlowTopology, resolveClient, resolveEn, getServerCatalog } from "./traffic-flow-topology.js"
+import { flowDataEpoch } from "./traffic-flow-engine.js"
+
+export const DEFAULT_MAP_SERVICE_MIN_SHARE_PCT = 5
+export const MAP_SERVICE_NODE_CAP = 20
+const HOPS_CACHE_TTL_MS = 2000
+
+export interface FlowMapHopsQuery {
+  minutes: number
+  serverId?: number
+  userId?: string
+  iface?: string
+  dedup?: boolean
+  excludeMesh?: boolean
+  excludeOverlay?: boolean
+  /** Переопределение порога (тесты). Иначе из настроек NetFlow. */
+  minSharePct?: number
+}
+
+interface HopAcc {
+  fromId: string
+  fromLabel: string
+  toId: string
+  toLabel: string
+  kind: FlowMapHop["kind"]
+  iface?: string
+  bytes: number
+  bytesFwd: number
+  bytesRev: number
+}
+
+interface ClientAcc {
+  name: string
+  bytes: number
+}
+
+interface FromAcc {
+  bytes: number
+  clients: Map<string, ClientAcc>
+}
+
+interface DstAcc {
+  bytes: number
+  proto: number
+  dstPort: number
+  srcPort: number
+  fromBytes: Map<string, FromAcc>
+}
+
+function bumpClient(clients: Map<string, ClientAcc>, bytes: number, client: { userId: string; name: string } | null): void {
+  const id = client?.userId || "—"
+  const name = client?.name || "—"
+  const prev = clients.get(id)
+  if (prev) {
+    prev.bytes += bytes
+    return
+  }
+  clients.set(id, { name, bytes })
+}
+
+function bumpFrom(acc: DstAcc, exporterId: string, bytes: number, client: { userId: string; name: string } | null): void {
+  const prev = acc.fromBytes.get(exporterId)
+  if (prev) {
+    prev.bytes += bytes
+    bumpClient(prev.clients, bytes, client)
+    return
+  }
+  const clients = new Map<string, ClientAcc>()
+  bumpClient(clients, bytes, client)
+  acc.fromBytes.set(exporterId, { bytes, clients })
+}
+
+let hopsCache: { key: string; at: number; dto: FlowMapHopsDto } | null = null
+
+export function resetFlowMapHopsCacheForTests(): void {
+  hopsCache = null
+}
+
+export function clampMapServiceMinSharePct(n: unknown): number {
+  const v = typeof n === "number" ? n : Number(n)
+  if (!Number.isFinite(v)) return DEFAULT_MAP_SERVICE_MIN_SHARE_PCT
+  return Math.min(100, Math.max(0, v))
+}
+
+function hopsQueryKey(q: FlowMapHopsQuery, minSharePct: number): string {
+  return JSON.stringify({
+    epoch: flowDataEpoch(),
+    minutes: q.minutes,
+    serverId: q.serverId ?? null,
+    userId: q.userId ?? null,
+    iface: q.iface ?? null,
+    dedup: q.dedup !== false,
+    excludeMesh: q.excludeMesh !== false,
+    excludeOverlay: q.excludeOverlay !== false,
+    minSharePct,
+  })
+}
+
+function userIfaceAllow(userId: string): Map<number, Set<string>> | null {
+  if (!userId) return null
+  const binds = db.select().from(userInterfaceBindings).where(eq(userInterfaceBindings.userId, userId)).all()
+  const allow = new Map<number, Set<string>>()
+  for (const b of binds) {
+    const set = allow.get(b.serverId) ?? new Set<string>()
+    set.add(b.interfaceName)
+    allow.set(b.serverId, set)
+  }
+  return allow
+}
+
+function ifaceUsable(name: string): boolean {
+  return Boolean(name) && name !== "—"
+}
+
+function bump(acc: Map<string, HopAcc>, key: string, seed: Omit<HopAcc, "bytes" | "bytesFwd" | "bytesRev">, bytes: number, dir: "fwd" | "rev" | "both"): void {
+  const prev = acc.get(key)
+  const addFwd = dir === "fwd" || dir === "both" ? bytes : 0
+  const addRev = dir === "rev" || dir === "both" ? bytes : 0
+  if (prev) {
+    prev.bytes += bytes
+    prev.bytesFwd += addFwd
+    prev.bytesRev += addRev
+    if (seed.iface && !prev.iface) prev.iface = seed.iface
+    return
+  }
+  acc.set(key, {
+    ...seed,
+    bytes,
+    bytesFwd: addFwd,
+    bytesRev: addRev,
+  })
+}
+
+function toHop(a: HopAcc, windowSec: number): FlowMapHop {
+  return {
+    fromId: a.fromId,
+    fromLabel: a.fromLabel,
+    toId: a.toId,
+    toLabel: a.toLabel,
+    kind: a.kind,
+    ...(a.iface ? { iface: a.iface } : {}),
+    bytes: a.bytes,
+    bps: (a.bytes * 8) / windowSec,
+    bpsFwd: (a.bytesFwd * 8) / windowSec,
+    bpsRev: (a.bytesRev * 8) / windowSec,
+  }
+}
+
+/** Имя бренда без каталога EvoBGP — только ASN/CIDR кэш + proto. */
+function classifyMapDstLite(
+  dst: string,
+  proto: number,
+  dstPort: number,
+  srcPort: number,
+  ripe: FlowIpMeta | null,
+): { service: string; category: string } | null {
+  if (proto === 47 || proto === 50) return null
+  const app = applicationName(proto, dstPort, srcPort)
+  if (app === "WireGuard" || app === "DNS" || app === "SSH" || app === "BGP") return null
+  if (/youtube/i.test(ripe?.holder ?? "")) {
+    return { service: "YouTube", category: "Видео / стриминг" }
+  }
+  const brand = lookupBrand(dst, ripe?.asn ?? 0)
+  if (!brand || !isNamedInternetService(brand.service, brand.category)) return null
+  return brand
+}
+
+function resolveMinSharePct(q: FlowMapHopsQuery): number {
+  if (q.minSharePct != null) return clampMapServiceMinSharePct(q.minSharePct)
+  try {
+    const row = getTrafficFlowSettingsRow() as { mapServiceMinSharePct?: number }
+    return clampMapServiceMinSharePct(row.mapServiceMinSharePct ?? DEFAULT_MAP_SERVICE_MIN_SHARE_PCT)
+  } catch {
+    return DEFAULT_MAP_SERVICE_MIN_SHARE_PCT
+  }
+}
+
+function buildFlowMapHopsUncached(q: FlowMapHopsQuery, minSharePct: number): FlowMapHopsDto {
+  const windowSec = Math.max(60, q.minutes * 60)
+  const raw = listFlowRowsForWindow(q.minutes)
+  const allow = q.userId ? userIfaceAllow(q.userId) : null
+  const catalog = getServerCatalog()
+  const nameById = new Map([...catalog.byId].map(([id, s]) => [id, s.name]))
+  const ifaceFilter = q.iface && q.iface !== "__all__" ? q.iface : ""
+  const wantDedup = q.dedup !== false && !ifaceFilter
+  const excludeMesh = q.excludeMesh !== false
+  const excludeOverlay = q.excludeOverlay !== false
+  const topo = loadFlowTopology()
+
+  const matched = []
+  for (const r of raw) {
+    const resolved = resolveIfaceName(r.serverId, r.inIface)
+    const outResolved = resolveIfaceName(r.serverId, r.outIface)
+    if (!flowRowMatchesFilter(r, resolved.name, q, allow)) continue
+    const plane = classifyFlowPlane({
+      src: r.src,
+      dst: r.dst,
+      proto: r.proto,
+      srcPort: r.srcPort,
+      dstPort: r.dstPort,
+      inIface: resolved.name,
+      outIface: outResolved.name,
+    }, topo.plane)
+    if (!shouldKeepPlane(plane, { excludeMesh, excludeOverlay })) continue
+    matched.push(r)
+  }
+
+  const working = wantDedup ? dedupFlowRowsMaxBytes(matched) : matched
+  const hops = new Map<string, HopAcc>()
+  const dstAcc = new Map<string, DstAcc>()
+  const jhToEn = new Map<number, number>()
+  const enIds = new Set(topo.enNodes.map((n) => n.id))
+  let totalBytes = 0
+
+  for (const r of working) {
+    const inRes = resolveIfaceName(r.serverId, r.inIface)
+    const outRes = resolveIfaceName(r.serverId, r.outIface)
+    const inName = inRes.name
+    const outName = outRes.name
+    const fromId = String(r.serverId)
+    const fromLabel = nameById.get(r.serverId) ?? fromId
+    const wanSet = topo.wanIfaces.get(r.serverId)
+
+    const inOk = ifaceUsable(inName)
+    const outOk = ifaceUsable(outName)
+    const sameIface = inOk && outOk && inName.toLowerCase() === outName.toLowerCase()
+    if (sameIface) {
+      bump(hops, `iface|${fromId}|${inName.toLowerCase()}`, {
+        fromId,
+        fromLabel,
+        toId: "",
+        toLabel: "",
+        kind: "iface",
+        iface: inName,
+      }, r.bytes, "fwd")
+    } else {
+      if (inOk) {
+        bump(hops, `iface|${fromId}|${inName.toLowerCase()}`, {
+          fromId,
+          fromLabel,
+          toId: "",
+          toLabel: "",
+          kind: "iface",
+          iface: inName,
+        }, r.bytes, "rev")
+      }
+      if (outOk) {
+        bump(hops, `iface|${fromId}|${outName.toLowerCase()}`, {
+          fromId,
+          fromLabel,
+          toId: "",
+          toLabel: "",
+          kind: "iface",
+          iface: outName,
+        }, r.bytes, "fwd")
+      }
+    }
+
+    const enOut = ifaceUsable(outName) ? resolveEn(topo, r.nextHop, outName) : null
+    const enIn = ifaceUsable(inName) ? resolveEn(topo, "", inName) : null
+    const en = (enOut && enOut.id !== r.serverId ? enOut : null)
+      ?? (enIn && enIn.id !== r.serverId ? enIn : null)
+    if (en) {
+      jhToEn.set(r.serverId, en.id)
+      const toId = String(en.id)
+      const dir: "fwd" | "rev" = enOut && enOut.id === en.id ? "fwd" : "rev"
+      const greIface = dir === "fwd" && ifaceUsable(outName) ? outName : (ifaceUsable(inName) ? inName : undefined)
+      bump(hops, `gre|${fromId}|${toId}`, {
+        fromId,
+        fromLabel,
+        toId,
+        toLabel: en.name,
+        kind: "gre",
+        iface: greIface,
+      }, r.bytes, dir)
+    }
+
+    if (wanSet?.size) {
+      if (ifaceUsable(inName) && wanSet.has(inName)) {
+        bump(hops, `wan|${fromId}|${inName.toLowerCase()}`, {
+          fromId,
+          fromLabel,
+          toId: "",
+          toLabel: "",
+          kind: "wan",
+          iface: inName,
+        }, r.bytes, "rev")
+      }
+      if (ifaceUsable(outName) && wanSet.has(outName) && outName.toLowerCase() !== inName.toLowerCase()) {
+        bump(hops, `wan|${fromId}|${outName.toLowerCase()}`, {
+          fromId,
+          fromLabel,
+          toId: "",
+          toLabel: "",
+          kind: "wan",
+          iface: outName,
+        }, r.bytes, "fwd")
+      }
+    }
+
+    totalBytes += r.bytes
+    const peer = pickInternetPeer(r.src, r.dst, r.srcPort, r.dstPort)
+    const client = resolveClient(topo, r.serverId, inName)
+    const prevDst = dstAcc.get(peer)
+    if (prevDst) {
+      prevDst.bytes += r.bytes
+      bumpFrom(prevDst, String(r.serverId), r.bytes, client)
+    } else {
+      const acc: DstAcc = {
+        bytes: r.bytes,
+        proto: r.proto,
+        dstPort: r.dstPort,
+        srcPort: r.srcPort,
+        fromBytes: new Map(),
+      }
+      bumpFrom(acc, String(r.serverId), r.bytes, client)
+      dstAcc.set(peer, acc)
+    }
+  }
+
+  const svcTotals = new Map<string, { label: string; category: string; bytes: number }>()
+  const svcEdges = new Map<string, {
+    fromId: string
+    toId: string
+    bytes: number
+    bytesFwd: number
+    bytesRev: number
+    clients: Map<string, string>
+  }>()
+  const svcPaths = new Map<string, {
+    clientId: string
+    clientName: string
+    viaId: string
+    viaName: string
+    enId: string
+    enName: string
+    serviceId: string
+    bytes: number
+  }>()
+
+  for (const h of hops.values()) {
+    if (h.kind !== "gre" || !h.toId) continue
+    const from = Number(h.fromId)
+    const to = Number(h.toId)
+    if (!Number.isFinite(from) || !Number.isFinite(to)) continue
+    if (enIds.has(to) && !enIds.has(from)) jhToEn.set(from, to)
+  }
+
+  const soleEnId = topo.enNodes.length === 1 ? String(topo.enNodes[0]!.id) : null
+
+  function anchorEnId(exporterId: string): string | null {
+    const n = Number(exporterId)
+    if (enIds.has(n)) return exporterId
+    const mapped = jhToEn.get(n)
+    if (mapped != null) return String(mapped)
+    if (soleEnId) return soleEnId
+    return null
+  }
+
+  function nodeName(id: string): string {
+    const n = Number(id)
+    if (Number.isFinite(n)) {
+      const fromDb = nameById.get(n)
+      if (fromDb) return fromDb
+    }
+    const en = topo.enNodes.find((node) => String(node.id) === id)
+    if (en?.name) return en.name
+    return id
+  }
+
+  for (const [dst, acc] of dstAcc) {
+    const ripe = lookupRipeCached(dst)
+    const classified = classifyMapDstLite(dst, acc.proto, acc.dstPort, acc.srcPort, ripe)
+    if (!classified) continue
+    const toId = mapServiceNodeId(classified.service)
+    const prevSvc = svcTotals.get(toId)
+    if (prevSvc) prevSvc.bytes += acc.bytes
+    else svcTotals.set(toId, { label: classified.service, category: classified.category, bytes: acc.bytes })
+    for (const [exporterId, from] of acc.fromBytes) {
+      const fromId = anchorEnId(exporterId)
+      if (!fromId) continue
+      const edgeKey = `${fromId}|${toId}`
+      const prevEdge = svcEdges.get(edgeKey)
+      const namedClients = new Map<string, string>()
+      for (const [id, c] of from.clients) {
+        if (id !== "—") namedClients.set(id, c.name)
+      }
+      if (prevEdge) {
+        prevEdge.bytes += from.bytes
+        prevEdge.bytesFwd += from.bytes
+        for (const [id, name] of namedClients) prevEdge.clients.set(id, name)
+      } else {
+        svcEdges.set(edgeKey, {
+          fromId,
+          toId,
+          bytes: from.bytes,
+          bytesFwd: from.bytes,
+          bytesRev: 0,
+          clients: namedClients,
+        })
+      }
+      const enName = nodeName(fromId)
+      const viaName = nodeName(exporterId)
+      for (const [clientId, c] of from.clients) {
+        const pathKey = `${clientId}|${exporterId}|${fromId}|${toId}`
+        const prevPath = svcPaths.get(pathKey)
+        if (prevPath) {
+          prevPath.bytes += c.bytes
+        } else {
+          svcPaths.set(pathKey, {
+            clientId,
+            clientName: c.name,
+            viaId: exporterId,
+            viaName,
+            enId: fromId,
+            enName,
+            serviceId: toId,
+            bytes: c.bytes,
+          })
+        }
+      }
+    }
+  }
+
+  const minShare = minSharePct / 100
+  let services: FlowMapService[] = [...svcTotals.entries()]
+    .map(([id, s]) => ({
+      id,
+      label: s.label,
+      category: s.category,
+      bytes: s.bytes,
+      bps: (s.bytes * 8) / windowSec,
+      share: totalBytes > 0 ? s.bytes / totalBytes : 0,
+    }))
+    .sort((a, b) => b.bytes - a.bytes)
+  if (minSharePct > 0) {
+    services = services.filter((s) => s.share >= minShare)
+  }
+  services = services.slice(0, MAP_SERVICE_NODE_CAP)
+  const keepSvc = new Set(services.map((s) => s.id))
+  const serviceEdges: FlowMapServiceEdge[] = [...svcEdges.values()]
+    .filter((e) => keepSvc.has(e.toId))
+    .map((e) => {
+      const clients = [...e.clients.entries()].map(([id, name]) => ({ id, name }))
+      const first = clients[0]
+      return {
+        fromId: e.fromId,
+        toId: e.toId,
+        bytes: e.bytes,
+        bps: (e.bytes * 8) / windowSec,
+        bpsFwd: (e.bytesFwd * 8) / windowSec,
+        bpsRev: (e.bytesRev * 8) / windowSec,
+        ...(first ? { clientId: first.id, clientName: first.name } : {}),
+        ...(clients.length ? { clients } : {}),
+      }
+    })
+    .sort((a, b) => b.bytes - a.bytes)
+
+  const servicePaths: FlowMapServicePath[] = [...svcPaths.values()]
+    .filter((p) => keepSvc.has(p.serviceId))
+    .map((p) => ({
+      clientId: p.clientId,
+      clientName: p.clientName,
+      viaId: p.viaId,
+      viaName: p.viaName,
+      enId: p.enId,
+      enName: p.enName,
+      serviceId: p.serviceId,
+      bytes: p.bytes,
+      bps: (p.bytes * 8) / windowSec,
+    }))
+    .sort((a, b) => b.bps - a.bps)
+
+  const listener = getFlowListenerState()
+  return {
+    hops: [...hops.values()]
+      .map((a) => toHop(a, windowSec))
+      .sort((a, b) => a.bytes === b.bytes ? 0 : b.bytes - a.bytes),
+    live: listener.bound,
+    rangeMinutes: q.minutes,
+    windowSec,
+    totalBytes,
+    services,
+    serviceEdges,
+    servicePaths,
+    mapServiceMinSharePct: minSharePct,
+    dedupApplied: wantDedup,
+    excludeMeshApplied: excludeMesh,
+    excludeOverlayApplied: excludeOverlay,
+  }
+}
+
+/** Hop-rates для карты сети: те же фильтры, что у общего NetFlow (dedup / mesh / overlay). */
+export function buildFlowMapHops(q: FlowMapHopsQuery): FlowMapHopsDto {
+  const minSharePct = resolveMinSharePct(q)
+  const key = hopsQueryKey(q, minSharePct)
+  const now = Date.now()
+  if (hopsCache && hopsCache.key === key && now - hopsCache.at < HOPS_CACHE_TTL_MS) {
+    return hopsCache.dto
+  }
+  const dto = buildFlowMapHopsUncached(q, minSharePct)
+  hopsCache = { key, at: now, dto }
+  return dto
+}

backend/src/services/traffic-flow-overlay.ts

@@ -19,8 +19,9 @@ import {
   getTrafficFlowSettingsRow,
   upsertHostPeer,
 } from "./traffic-flow-settings.js"
-import { startTrafficFlowListener } from "./traffic-flow-ingest.js"
+import { refreshFlowExporterMap, startTrafficFlowListener } from "./traffic-flow-ingest.js"
 import { listTrafficFlowHostFiles } from "./traffic-flow-host-files.js"
+import { invalidateFlowCatalogCache } from "./traffic-flow-topology.js"
 
 const IFACE_NAME = "wg-flow"
 const JH_LISTEN_PORT = 13232
@@ -97,6 +98,32 @@ async function ensureWgInputAccept(client: MikrotikClient, listenPort: number):
 /** Официальный авто-source UDP IPFIX, не фильтр 0.0.0.0/0. */
 export const FLOW_TARGET_SRC_AUTO = "0.0.0.0"
 
+async function ensureIpfixFields(client: MikrotikClient): Promise<void> {
+  const body = toRosBody({
+    bytes: "yes",
+    packets: "yes",
+    "src-address": "yes",
+    "dst-address": "yes",
+    protocol: "yes",
+    "src-port": "yes",
+    "dst-port": "yes",
+    "in-interface": "yes",
+    "out-interface": "yes",
+    gateway: "yes",
+    "first-forwarded": "yes",
+    "last-forwarded": "yes",
+    "nat-src-address": "yes",
+    "nat-dst-address": "yes",
+  })
+  const rows = asRosArray<Record<string, unknown>>(await client.get("/ip/traffic-flow/ipfix"))
+  const id = rows[0] ? rosRowId(rows[0]) : ""
+  if (id) {
+    await patchRosPath(client, `/ip/traffic-flow/ipfix/${encodeRosId(id)}`, body)
+    return
+  }
+  await client.post("/ip/traffic-flow/ipfix/set", body)
+}
+
 async function ensureTrafficFlow(
   client: MikrotikClient,
   collectorIp: string,
@@ -116,6 +143,12 @@ async function ensureTrafficFlow(
     await client.post("/ip/traffic-flow/set", body)
   }
 
+  try {
+    await ensureIpfixFields(client)
+  } catch {
+    /* поля IPFIX опциональны на старых ROS */
+  }
+
   const targets = asRosArray<Record<string, unknown>>(await client.get("/ip/traffic-flow/target"))
   const existing = targets.find((t) => String(t["dst-address"] ?? "") === collectorIp)
   const targetBody = toRosBody({
@@ -256,6 +289,7 @@ export async function applyFlowOverlay(
       mgmtTunnelIp: address,
       updatedAt: new Date().toISOString(),
     }).where(eq(servers.id, server.id)).run()
+    invalidateFlowCatalogCache()
 
     upsertHostPeer({
       serverId: server.id,
@@ -268,6 +302,7 @@ export async function applyFlowOverlay(
 
     enableTrafficFlowIngest()
     startTrafficFlowListener()
+    refreshFlowExporterMap()
     steps.push("Коллектор IPFIX на MM включён")
 
     return {

backend/src/services/traffic-flow-parse.test.ts

@@ -1,5 +1,5 @@
 import assert from "node:assert/strict"
-import { parseFlowPacket, protoName, resetFlowTemplatesForTests } from "./traffic-flow-parse.js"
+import { parseFlowPacket, protoName, resetFlowTemplatesForTests, templateExporterCountForTests } from "./traffic-flow-parse.js"
 import { allocateOverlayAddress, FLOW_TARGET_SRC_AUTO, usablePublicHost } from "./traffic-flow-overlay.js"
 
 function netflowV5One(): Buffer {
@@ -24,6 +24,7 @@ assert.equal(flows[0]?.src, "10.1.1.8")
 assert.equal(flows[0]?.dst, "8.8.8.8")
 assert.equal(flows[0]?.proto, 6)
 assert.equal(flows[0]?.bytes, 1500)
+assert.equal(flows[0]?.inIface, "1")
 assert.equal(protoName(6), "TCP")
 assert.equal(parseFlowPacket(Buffer.from([0, 1]), "1.1.1.1").length, 0)
 
@@ -66,4 +67,138 @@ resetFlowTemplatesForTests()
   assert.equal(fromData[0]?.dst, "8.8.8.8")
 }
 
+resetFlowTemplatesForTests()
+{
+  const tpl = Buffer.alloc(16 + 24)
+  tpl.writeUInt16BE(10, 0)
+  tpl.writeUInt16BE(tpl.length, 2)
+  tpl.writeUInt16BE(2, 16)
+  tpl.writeUInt16BE(24, 18)
+  tpl.writeUInt16BE(256, 20)
+  tpl.writeUInt16BE(4, 22)
+  tpl.writeUInt16BE(8, 24)
+  tpl.writeUInt16BE(4, 26)
+  tpl.writeUInt16BE(12, 28)
+  tpl.writeUInt16BE(4, 30)
+  tpl.writeUInt16BE(10, 32)
+  tpl.writeUInt16BE(4, 34)
+  tpl.writeUInt16BE(82, 36)
+  tpl.writeUInt16BE(6, 38)
+  const data = Buffer.alloc(16 + 22)
+  data.writeUInt16BE(10, 0)
+  data.writeUInt16BE(data.length, 2)
+  data.writeUInt16BE(256, 16)
+  data.writeUInt16BE(22, 18)
+  data[20] = 10; data[21] = 1; data[22] = 1; data[23] = 8
+  data[24] = 8; data[25] = 8; data[26] = 8; data[27] = 8
+  data.writeUInt32BE(13, 28)
+  data.write("ether1", 32)
+  parseFlowPacket(tpl, "10.255.254.3")
+  const named = parseFlowPacket(data, "10.255.254.3")
+  assert.equal(named.length, 1)
+  assert.equal(named[0]?.inIface, "13")
+  assert.equal(named[0]?.src, "10.1.1.8")
+}
+
+resetFlowTemplatesForTests()
+{
+  const tpl = Buffer.alloc(16 + 20)
+  tpl.writeUInt16BE(10, 0)
+  tpl.writeUInt16BE(tpl.length, 2)
+  tpl.writeUInt16BE(2, 16)
+  tpl.writeUInt16BE(20, 18)
+  tpl.writeUInt16BE(256, 20)
+  tpl.writeUInt16BE(3, 22)
+  tpl.writeUInt16BE(8, 24)
+  tpl.writeUInt16BE(4, 26)
+  tpl.writeUInt16BE(12, 28)
+  tpl.writeUInt16BE(4, 30)
+  tpl.writeUInt16BE(82, 32)
+  tpl.writeUInt16BE(6, 34)
+  const data = Buffer.alloc(16 + 18)
+  data.writeUInt16BE(10, 0)
+  data.writeUInt16BE(data.length, 2)
+  data.writeUInt16BE(256, 16)
+  data.writeUInt16BE(18, 18)
+  data[20] = 10; data[21] = 1; data[22] = 1; data[23] = 8
+  data[24] = 8; data[25] = 8; data[26] = 8; data[27] = 8
+  data.write("ether1", 28)
+  parseFlowPacket(tpl, "10.255.254.4")
+  const namedOnly = parseFlowPacket(data, "10.255.254.4")
+  assert.equal(namedOnly[0]?.inIface, "ether1")
+}
+
+resetFlowTemplatesForTests()
+{
+  const fieldSpecs: Array<[number, number]> = [
+    [8, 4],
+    [12, 4],
+    [10, 4],
+    [14, 4],
+    [15, 4],
+    [152, 8],
+    [153, 8],
+    [1, 4],
+  ]
+  const tplSetLen = 4 + 4 + fieldSpecs.length * 4
+  const tpl = Buffer.alloc(16 + tplSetLen)
+  tpl.writeUInt16BE(10, 0)
+  tpl.writeUInt16BE(tpl.length, 2)
+  tpl.writeUInt16BE(2, 16)
+  tpl.writeUInt16BE(tplSetLen, 18)
+  tpl.writeUInt16BE(256, 20)
+  tpl.writeUInt16BE(fieldSpecs.length, 22)
+  let off = 24
+  for (const [type, len] of fieldSpecs) {
+    tpl.writeUInt16BE(type, off)
+    tpl.writeUInt16BE(len, off + 2)
+    off += 4
+  }
+  const recLen = fieldSpecs.reduce((n, [, len]) => n + len, 0)
+  const data = Buffer.alloc(16 + 4 + recLen)
+  data.writeUInt16BE(10, 0)
+  data.writeUInt16BE(data.length, 2)
+  data.writeUInt16BE(256, 16)
+  data.writeUInt16BE(4 + recLen, 18)
+  let d = 20
+  data[d] = 10; data[d + 1] = 100; data[d + 2] = 1; data[d + 3] = 17; d += 4
+  data[d] = 173; data[d + 1] = 194; data[d + 2] = 160; data[d + 3] = 163; d += 4
+  data.writeUInt32BE(13, d); d += 4
+  data.writeUInt32BE(42, d); d += 4
+  data[d] = 198; data[d + 1] = 51; data[d + 2] = 100; data[d + 3] = 1; d += 4
+  data.writeBigUInt64BE(1_700_000_000_000n, d); d += 8
+  data.writeBigUInt64BE(1_700_000_060_000n, d); d += 8
+  data.writeUInt32BE(1500, d)
+  parseFlowPacket(tpl, "10.255.254.5")
+  const extra = parseFlowPacket(data, "10.255.254.5")
+  assert.equal(extra.length, 1)
+  assert.equal(extra[0]?.src, "10.100.1.17")
+  assert.equal(extra[0]?.dst, "173.194.160.163")
+  assert.equal(extra[0]?.inIface, "13")
+  assert.equal(extra[0]?.outIface, "42")
+  assert.equal(extra[0]?.nextHop, "198.51.100.1")
+  assert.equal(extra[0]?.flowStartMs, 1_700_000_000_000)
+  assert.equal(extra[0]?.flowEndMs, 1_700_000_060_000)
+  assert.equal(extra[0]?.bytes, 1500)
+}
+
+resetFlowTemplatesForTests()
+{
+  const tpl = Buffer.alloc(16 + 16 + 20)
+  tpl.writeUInt16BE(10, 0)
+  tpl.writeUInt16BE(tpl.length, 2)
+  tpl.writeUInt16BE(2, 16)
+  tpl.writeUInt16BE(16, 18)
+  tpl.writeUInt16BE(256, 20)
+  tpl.writeUInt16BE(2, 22)
+  tpl.writeUInt16BE(8, 24)
+  tpl.writeUInt16BE(4, 26)
+  tpl.writeUInt16BE(12, 28)
+  tpl.writeUInt16BE(4, 30)
+  for (let i = 0; i < 260; i++) {
+    parseFlowPacket(tpl, `203.0.${Math.floor(i / 250)}.${i % 250}`)
+  }
+  assert.ok(templateExporterCountForTests() <= 256)
+}
+
 console.log("traffic-flow-parse.test.ts: ok")

backend/src/services/traffic-flow-parse.ts

@@ -7,6 +7,50 @@ export interface ParsedFlow {
   bytes: number
   packets: number
   inIface: string
+  outIface: string
+  nextHop: string
+  flowStartMs: number
+  flowEndMs: number
+  natSrc: string
+  natDst: string
+}
+
+export type ParsedFlowInput = Partial<ParsedFlow> & Pick<ParsedFlow, "src" | "dst" | "proto" | "bytes">
+
+export function emptyParsedFlow(): ParsedFlow {
+  return {
+    src: "",
+    dst: "",
+    proto: 0,
+    srcPort: 0,
+    dstPort: 0,
+    bytes: 0,
+    packets: 0,
+    inIface: "",
+    outIface: "",
+    nextHop: "",
+    flowStartMs: 0,
+    flowEndMs: 0,
+    natSrc: "",
+    natDst: "",
+  }
+}
+
+export function normalizeParsedFlow(flow: ParsedFlowInput): ParsedFlow {
+  return {
+    ...emptyParsedFlow(),
+    ...flow,
+    nextHop: flow.nextHop ?? "",
+    flowStartMs: flow.flowStartMs ?? 0,
+    flowEndMs: flow.flowEndMs ?? 0,
+    natSrc: flow.natSrc ?? "",
+    natDst: flow.natDst ?? "",
+    inIface: flow.inIface ?? "",
+    outIface: flow.outIface ?? "",
+    srcPort: flow.srcPort ?? 0,
+    dstPort: flow.dstPort ?? 0,
+    packets: flow.packets ?? 0,
+  }
 }
 
 interface FieldSpec {
@@ -18,8 +62,26 @@ interface Template {
   fields: FieldSpec[]
 }
 
+const MAX_TEMPLATE_EXPORTERS = 256
 const templatesByExporter = new Map<string, Map<number, Template>>()
 
+function templatesForExporter(exporter: string): Map<number, Template> {
+  const existing = templatesByExporter.get(exporter)
+  if (existing) {
+    templatesByExporter.delete(exporter)
+    templatesByExporter.set(exporter, existing)
+    return existing
+  }
+  const created = new Map<number, Template>()
+  templatesByExporter.set(exporter, created)
+  while (templatesByExporter.size > MAX_TEMPLATE_EXPORTERS) {
+    const oldest = templatesByExporter.keys().next().value
+    if (oldest == null || oldest === exporter) break
+    templatesByExporter.delete(oldest)
+  }
+  return created
+}
+
 function ipv4(buf: Buffer, offset: number): string {
   return `${buf[offset]}.${buf[offset + 1]}.${buf[offset + 2]}.${buf[offset + 3]}`
 }
@@ -86,7 +148,7 @@ function parseNetflowV5(buf: Buffer): ParsedFlow[] {
   const out: ParsedFlow[] = []
   let off = 24
   for (let i = 0; i < count && off + 48 <= buf.length; i++) {
-    out.push({
+    out.push(normalizeParsedFlow({
       src: ipv4(buf, off),
       dst: ipv4(buf, off + 4),
       packets: buf.readUInt32BE(off + 16),
@@ -95,7 +157,8 @@ function parseNetflowV5(buf: Buffer): ParsedFlow[] {
       dstPort: buf.readUInt16BE(off + 34),
       proto: buf.readUInt8(off + 38),
       inIface: String(buf.readUInt16BE(off + 12)),
-    })
+      outIface: String(buf.readUInt16BE(off + 14)),
+    }))
     off += 48
   }
   return out
@@ -103,7 +166,7 @@ function parseNetflowV5(buf: Buffer): ParsedFlow[] {
 
 function parseIpfixTemplates(exporter: string, buf: Buffer, setStart: number, setEnd: number, setId: number) {
   let off = setStart + 4
-  const map = templatesByExporter.get(exporter) ?? new Map<number, Template>()
+  const map = templatesForExporter(exporter)
   while (off + 4 <= setEnd) {
     const templateId = buf.readUInt16BE(off)
     const fieldCount = buf.readUInt16BE(off + 2)
@@ -144,6 +207,13 @@ function recordFromFields(
   let bytes = 0
   let packets = 0
   let inIface = ""
+  let outIface = ""
+  let ifaceName = ""
+  let nextHop = ""
+  let flowStartMs = 0
+  let flowEndMs = 0
+  let natSrc = ""
+  let natDst = ""
   for (const f of fields) {
     const field = consumeField(buf, off, f.length, limit)
     if (!field) return null
@@ -161,11 +231,26 @@ function recordFromFields(
       case 28:
         if (data.length === 16 && !dst) dst = ipv6(data, 0)
         break
+      case 15:
+        if (data.length === 4 && !nextHop) nextHop = ipv4(data, 0)
+        break
+      case 18:
+        if (data.length === 4 && !nextHop) nextHop = ipv4(data, 0)
+        break
+      case 62:
+        if (data.length === 16 && !nextHop) nextHop = ipv6(data, 0)
+        break
       case 225:
-        if (data.length === 4 && !src) src = ipv4(data, 0)
+        if (data.length === 4) {
+          natSrc = ipv4(data, 0)
+          if (!src) src = natSrc
+        }
         break
       case 226:
-        if (data.length === 4 && !dst) dst = ipv4(data, 0)
+        if (data.length === 4) {
+          natDst = ipv4(data, 0)
+          if (!dst) dst = natDst
+        }
         break
       case 4:
         proto = readUint(data, 0, data.length)
@@ -191,12 +276,42 @@ function recordFromFields(
       case 10:
         inIface = String(readUint(data, 0, data.length))
         break
+      case 14:
+        outIface = String(readUint(data, 0, data.length))
+        break
+      case 21:
+        if (!flowEndMs) flowEndMs = readUint(data, 0, data.length)
+        break
+      case 22:
+        if (!flowStartMs) flowStartMs = readUint(data, 0, data.length)
+        break
+      case 150:
+        if (!flowStartMs) flowStartMs = readUint(data, 0, data.length) * 1000
+        break
+      case 151:
+        if (!flowEndMs) flowEndMs = readUint(data, 0, data.length) * 1000
+        break
+      case 152:
+        flowStartMs = readUint(data, 0, data.length)
+        break
+      case 153:
+        flowEndMs = readUint(data, 0, data.length)
+        break
+      case 82:
+        ifaceName = data.toString("utf8").replace(/\0/g, "").trim()
+        break
       default:
         break
     }
     off = field.next
   }
-  return { flow: { src, dst, proto, srcPort, dstPort, bytes, packets, inIface }, next: off }
+  if (ifaceName && !inIface) inIface = ifaceName
+  return {
+    flow: normalizeParsedFlow({
+      src, dst, proto, srcPort, dstPort, bytes, packets, inIface, outIface, nextHop, flowStartMs, flowEndMs, natSrc, natDst,
+    }),
+    next: off,
+  }
 }
 
 function parseDataRecords(
@@ -244,7 +359,7 @@ function parseNetflowV9(buf: Buffer, exporter: string): ParsedFlow[] {
   const count = buf.readUInt16BE(2)
   let off = 20
   const out: ParsedFlow[] = []
-  const map = templatesByExporter.get(exporter) ?? new Map<number, Template>()
+  const map = templatesForExporter(exporter)
   for (let s = 0; s < count && off + 4 <= buf.length; s++) {
     const setId = buf.readUInt16BE(off)
     const setLen = buf.readUInt16BE(off + 2)
@@ -297,3 +412,7 @@ export function protoName(proto: number): string {
 export function resetFlowTemplatesForTests() {
   templatesByExporter.clear()
 }
+
+export function templateExporterCountForTests(): number {
+  return templatesByExporter.size
+}

backend/src/services/traffic-flow-planes.test.ts

@@ -0,0 +1,82 @@
+import assert from "node:assert/strict"
+import {
+  classifyFlowPlane,
+  classifyFlowPlaneLite,
+  flowBps,
+  shouldKeepPlane,
+} from "./traffic-flow-planes.js"
+
+const youtubeInner = {
+  src: "10.100.1.17",
+  dst: "173.194.160.163",
+  proto: 6,
+  srcPort: 51234,
+  dstPort: 443,
+  inIface: "gre-client",
+  outIface: "NSK-SERVHOST-RTK",
+}
+assert.equal(classifyFlowPlaneLite(youtubeInner), "payload")
+assert.equal(classifyFlowPlane(youtubeInner), "payload")
+
+const greOverlay = {
+  src: "203.0.113.10",
+  dst: "198.51.100.1",
+  proto: 47,
+  srcPort: 0,
+  dstPort: 0,
+  inIface: "ether1",
+  outIface: "NSK-SERVHOST-RTK",
+}
+assert.equal(classifyFlowPlaneLite(greOverlay), "overlay")
+
+const espOverlay = { ...greOverlay, proto: 50 }
+assert.equal(classifyFlowPlaneLite(espOverlay), "overlay")
+
+const mesh = {
+  src: "10.100.1.17",
+  dst: "10.100.1.18",
+  proto: 6,
+  srcPort: 50000,
+  dstPort: 443,
+  inIface: "gre-a",
+  outIface: "gre-b",
+}
+assert.equal(classifyFlowPlaneLite(mesh), "client_mesh")
+
+const mgmt = {
+  src: "10.255.254.2",
+  dst: "10.255.254.1",
+  proto: 17,
+  srcPort: 4739,
+  dstPort: 4739,
+  inIface: "wg-flow",
+  outIface: "",
+}
+assert.equal(classifyFlowPlaneLite(mgmt), "mgmt")
+assert.equal(classifyFlowPlaneLite({ ...youtubeInner, outIface: "wg-flow" }), "payload")
+assert.equal(shouldKeepPlane("mgmt", {}), false)
+assert.equal(shouldKeepPlane("overlay", {}), false)
+assert.equal(shouldKeepPlane("client_mesh", {}), false)
+assert.equal(shouldKeepPlane("payload", {}), true)
+assert.equal(shouldKeepPlane("overlay", { excludeOverlay: false }), true)
+assert.equal(shouldKeepPlane("client_mesh", { excludeMesh: false }), true)
+
+assert.equal(flowBps(1500, 1_000, 2_000, 300), (1500 * 8) / 1)
+assert.equal(flowBps(1500, 0, 0, 300), (1500 * 8) / 300)
+
+const publicJhEn = {
+  src: "203.0.113.10",
+  dst: "198.51.100.1",
+  proto: 6,
+  srcPort: 1000,
+  dstPort: 443,
+  inIface: "ether1",
+  outIface: "gre-en",
+}
+assert.equal(classifyFlowPlane(publicJhEn, {
+  clientIfaceNames: new Set(["gre-client"]),
+  enHosts: new Set(["198.51.100.1"]),
+  jhHosts: new Set(["203.0.113.10"]),
+}), "overlay")
+
+console.log("traffic-flow-planes.test.ts: ok")

backend/src/services/traffic-flow-planes.ts

@@ -0,0 +1,107 @@
+export type FlowPlane = "payload" | "client_mesh" | "overlay" | "mgmt"
+
+export const PLANE_LABEL: Record<FlowPlane, string> = {
+  payload: "Интернет",
+  client_mesh: "Клиенты",
+  overlay: "JH↔EN",
+  mgmt: "mgmt",
+}
+
+const WG_PORTS = new Set([51820, 13232, 51821])
+const FLOW_PORTS = new Set([4739, 2055])
+
+export function isRfc1918(ip: string): boolean {
+  const parts = String(ip ?? "").split(".").map((n) => Number.parseInt(n, 10))
+  if (parts.length !== 4 || parts.some((n) => !Number.isFinite(n))) return false
+  const [a, b] = parts
+  if (a === 10) return true
+  if (a === 192 && b === 168) return true
+  if (a === 172 && b != null && b >= 16 && b <= 31) return true
+  if (a === 100 && b != null && b >= 64 && b <= 127) return true
+  return false
+}
+
+export function isPublicV4(ip: string): boolean {
+  const parts = String(ip ?? "").split(".").map((n) => Number.parseInt(n, 10))
+  if (parts.length !== 4 || parts.some((n) => !Number.isFinite(n))) return false
+  const a = parts[0] ?? 0
+  if (a === 0 || a === 127 || a >= 224) return false
+  return !isRfc1918(ip)
+}
+
+export function isTunnelProto(proto: number, srcPort: number, dstPort: number): boolean {
+  if (proto === 47 || proto === 50) return true
+  if (proto === 17 && (WG_PORTS.has(srcPort) || WG_PORTS.has(dstPort))) return true
+  return false
+}
+
+function ifaceLooksMgmt(name: string): boolean {
+  const n = name.trim().toLowerCase()
+  return n === "wg-flow" || n.endsWith("/wg-flow") || n.includes("wg-flow")
+}
+
+export interface PlaneFlowInput {
+  src: string
+  dst: string
+  proto: number
+  srcPort: number
+  dstPort: number
+  inIface: string
+  outIface?: string
+}
+
+/** Быстрая классификация без топологии — для live ring на ingest. */
+export function classifyFlowPlaneLite(flow: PlaneFlowInput): FlowPlane {
+  if (ifaceLooksMgmt(flow.inIface)) return "mgmt"
+  if (flow.proto === 17 && (FLOW_PORTS.has(flow.srcPort) || FLOW_PORTS.has(flow.dstPort))) return "mgmt"
+  if (isTunnelProto(flow.proto, flow.srcPort, flow.dstPort)) return "overlay"
+  if (isRfc1918(flow.src) && isRfc1918(flow.dst)) return "client_mesh"
+  return "payload"
+}
+
+export interface PlaneTopology {
+  clientIfaceNames: Set<string>
+  enHosts: Set<string>
+  jhHosts: Set<string>
+}
+
+function hostHit(ip: string, hosts: Set<string>): boolean {
+  return Boolean(ip) && hosts.has(ip)
+}
+
+export function classifyFlowPlane(
+  flow: PlaneFlowInput,
+  topo?: PlaneTopology | null,
+): FlowPlane {
+  const lite = classifyFlowPlaneLite(flow)
+  if (!topo) return lite
+  if (lite === "mgmt") return "mgmt"
+  if (lite === "overlay") return "overlay"
+  const srcEn = hostHit(flow.src, topo.enHosts) || hostHit(flow.src, topo.jhHosts)
+  const dstEn = hostHit(flow.dst, topo.enHosts) || hostHit(flow.dst, topo.jhHosts)
+  if (srcEn && dstEn && isPublicV4(flow.src) && isPublicV4(flow.dst)) return "overlay"
+  if (lite === "client_mesh") {
+    const inClient = topo.clientIfaceNames.has(flow.inIface)
+    const outClient = Boolean(flow.outIface && topo.clientIfaceNames.has(flow.outIface))
+    if (inClient || outClient || (isRfc1918(flow.src) && isRfc1918(flow.dst))) return "client_mesh"
+  }
+  return "payload"
+}
+
+export function shouldKeepPlane(
+  plane: FlowPlane,
+  opts: { excludeMesh?: boolean; excludeOverlay?: boolean },
+): boolean {
+  if (plane === "mgmt") return false
+  if (opts.excludeMesh !== false && plane === "client_mesh") return false
+  if (opts.excludeOverlay !== false && plane === "overlay") return false
+  return true
+}
+
+export function flowBps(bytes: number, startMs: number, endMs: number, windowSec: number): number {
+  if (startMs > 0 && endMs > startMs) {
+    const sec = Math.max(1, (endMs - startMs) / 1000)
+    return (bytes * 8) / sec
+  }
+  return (bytes * 8) / Math.max(1, windowSec)
+}

backend/src/services/traffic-flow-purge.test.ts

@@ -0,0 +1,77 @@
+import assert from "node:assert/strict"
+import { mkdtempSync, rmSync } from "node:fs"
+import os from "node:os"
+import path from "node:path"
+
+const dir = mkdtempSync(path.join(os.tmpdir(), "mm-flow-purge-"))
+process.env.DATABASE_PATH = path.join(dir, "test.db")
+
+const { sqliteDatabase } = await import("../db/index.js")
+const {
+  getFlowRuntimeCounters,
+  purgeTrafficFlowStore,
+  stopTrafficFlowListener,
+} = await import("./traffic-flow-ingest.js")
+
+function count(name: string): number {
+  const row = sqliteDatabase.prepare(`SELECT COUNT(*) AS n FROM ${name}`).get() as { n: number }
+  return Number(row?.n) || 0
+}
+
+try {
+  sqliteDatabase.prepare(`
+    INSERT INTO servers (name, host) VALUES ('purge-test', '127.0.0.1')
+  `).run()
+  const serverId = Number(
+    (sqliteDatabase.prepare(`SELECT id FROM servers WHERE name = 'purge-test'`).get() as { id: number }).id,
+  )
+  sqliteDatabase.prepare(`
+    INSERT INTO flow_buckets (server_id, bucket_at, src, dst, proto, src_port, dst_port, bytes, packets, in_iface)
+    VALUES (?, '2026-01-01T00:00:00.000Z', '10.0.0.1', '8.8.8.8', 6, 50000, 443, 100, 1, 'wg-flow')
+  `).run(serverId)
+  sqliteDatabase.prepare(`
+    INSERT INTO flow_minute_stats (server_id, bucket_at, bytes, packets, unique_src, unique_dst, conversations)
+    VALUES (?, '2026-01-01T00:00:00.000Z', 100, 1, 1, 1, 1)
+  `).run(serverId)
+  sqliteDatabase.prepare(`
+    INSERT INTO flow_minute_dims (server_id, bucket_at, dim, key, bytes, packets)
+    VALUES (?, '2026-01-01T00:00:00.000Z', 'country', 'RU', 100, 1)
+  `).run(serverId)
+  sqliteDatabase.prepare(`
+    INSERT INTO flow_daily_dims (server_id, day, dim, key, bytes, packets)
+    VALUES (?, '2026-01-01', 'country', 'RU', 100, 1)
+  `).run(serverId)
+  sqliteDatabase.prepare(`
+    INSERT INTO flow_ip_meta (prefix, asn, country, holder, ok, fetched_at)
+    VALUES ('8.8.8.0/24', 15169, 'US', 'Google', 1, ?)
+  `).run(new Date().toISOString())
+  sqliteDatabase.prepare(`
+    UPDATE traffic_flow_settings SET packets_received = 42, last_exporter_ip = '10.255.254.3' WHERE id = 1
+  `).run()
+
+  const result = await purgeTrafficFlowStore()
+  stopTrafficFlowListener()
+
+  assert.equal(result.ok, true)
+  assert.equal(result.deleted.buckets, 1)
+  assert.equal(result.deleted.minuteStats, 1)
+  assert.equal(result.deleted.minuteDims, 1)
+  assert.equal(result.deleted.dailyDims, 1)
+  assert.equal(count("flow_buckets"), 0)
+  assert.equal(count("flow_minute_stats"), 0)
+  assert.equal(count("flow_minute_dims"), 0)
+  assert.equal(count("flow_daily_dims"), 0)
+  assert.equal(count("flow_ip_meta"), 1)
+  assert.equal(count("servers"), 1)
+  assert.equal(getFlowRuntimeCounters().packetsReceived, 0)
+  assert.equal(getFlowRuntimeCounters().lastExporterIp, null)
+} finally {
+  try {
+    sqliteDatabase.close()
+  } catch {
+    /* ignore */
+  }
+  rmSync(dir, { recursive: true, force: true })
+}
+
+console.log("traffic-flow-purge.test.ts: ok")

backend/src/services/traffic-flow-ripe.test.ts

@@ -0,0 +1,136 @@
+import assert from "node:assert/strict"
+import {
+  disableRipeEnqueueForTests,
+  disableRipePersistForTests,
+  enqueueRipeMisses,
+  flushRipeQueueForTests,
+  lookupRipeCached,
+  resetRipeCacheForTests,
+  ripeFetchCountForTests,
+  ripeLastCandidateCountForTests,
+  seedRipeCacheForTests,
+  setRipeFetchForTests,
+} from "./traffic-flow-ripe.js"
+
+disableRipePersistForTests()
+resetRipeCacheForTests()
+disableRipeEnqueueForTests()
+
+assert.equal(lookupRipeCached("10.1.1.8")?.ok, false)
+assert.equal(lookupRipeCached("192.168.0.1")?.ok, false)
+assert.equal(lookupRipeCached("100.64.1.2")?.ok, false)
+assert.equal(ripeFetchCountForTests(), 0)
+
+seedRipeCacheForTests({
+  prefix: "1.2.3.0/24",
+  asn: 64500,
+  country: "NL",
+  lat: 52.3,
+  lng: 4.9,
+  holder: "TEST",
+  ok: true,
+  fetchedAt: Date.now(),
+})
+assert.equal(lookupRipeCached("1.2.3.10")?.country, "NL")
+assert.equal(lookupRipeCached("1.2.3.10")?.asn, 64500)
+assert.equal(ripeFetchCountForTests(), 0)
+
+resetRipeCacheForTests()
+disableRipePersistForTests()
+setRipeFetchForTests(async (input) => {
+  const url = String(input)
+  const body = url.includes("network-info")
+    ? { data: { prefix: "8.8.8.0/24", asns: ["15169"] } }
+    : url.includes("maxmind-geo-lite")
+      ? { data: { located_resources: [{ locations: [{ country: "US", latitude: 37.4, longitude: -122.1 }] }] } }
+      : { data: { holder: "GOOGLE" } }
+  return new Response(JSON.stringify(body), { status: 200, headers: { "Content-Type": "application/json" } })
+})
+enqueueRipeMisses(["8.8.8.8"])
+await flushRipeQueueForTests()
+assert.equal(lookupRipeCached("8.8.8.8")?.country, "US")
+assert.equal(lookupRipeCached("8.8.8.10")?.prefix, "8.8.8.0/24")
+const afterFirst = ripeFetchCountForTests()
+assert.ok(afterFirst >= 2)
+enqueueRipeMisses(["8.8.8.10"])
+await flushRipeQueueForTests()
+assert.equal(ripeFetchCountForTests(), afterFirst)
+
+resetRipeCacheForTests()
+disableRipePersistForTests()
+setRipeFetchForTests(async () => {
+  throw new Error("timeout")
+})
+enqueueRipeMisses(["203.0.113.50"])
+await flushRipeQueueForTests()
+const neg = lookupRipeCached("203.0.113.50")
+assert.equal(neg?.ok, false)
+const afterNeg = ripeFetchCountForTests()
+enqueueRipeMisses(["203.0.113.50"])
+await flushRipeQueueForTests()
+assert.equal(ripeFetchCountForTests(), afterNeg)
+
+resetRipeCacheForTests()
+disableRipePersistForTests()
+seedRipeCacheForTests({
+  prefix: "1.1.1.0/24",
+  asn: 13335,
+  country: "?",
+  lat: null,
+  lng: null,
+  holder: "CLOUDFLARENET, US",
+  ok: true,
+  fetchedAt: Date.now(),
+})
+assert.equal(lookupRipeCached("1.1.1.1")?.country, "US")
+assert.ok(lookupRipeCached("1.1.1.1")?.country !== "?")
+
+resetRipeCacheForTests()
+disableRipePersistForTests()
+setRipeFetchForTests(async (input) => {
+  const url = String(input)
+  const body = url.includes("network-info")
+    ? { data: { prefix: "1.0.0.0/24", asns: ["13335"] } }
+    : url.includes("maxmind-geo-lite")
+      ? { data: { located_resources: [{ locations: [{ country: "?" }] }] } }
+      : { data: { holder: "CLOUDFLARENET, US" } }
+  return new Response(JSON.stringify(body), { status: 200, headers: { "Content-Type": "application/json" } })
+})
+enqueueRipeMisses(["1.0.0.1"])
+await flushRipeQueueForTests()
+assert.equal(lookupRipeCached("1.0.0.1")?.country, "US")
+assert.equal(lookupRipeCached("1.0.0.1")?.asn, 13335)
+
+resetRipeCacheForTests()
+disableRipePersistForTests()
+for (let i = 0; i < 3000; i++) {
+  const o2 = Math.floor(i / 256)
+  const o3 = i % 256
+  seedRipeCacheForTests({
+    prefix: `203.${o2}.${o3}.0/24`,
+    asn: 64500,
+    country: "NL",
+    lat: null,
+    lng: null,
+    holder: "NOISE",
+    ok: true,
+    fetchedAt: Date.now(),
+  })
+}
+seedRipeCacheForTests({
+  prefix: "8.8.8.0/24",
+  asn: 15169,
+  country: "US",
+  lat: null,
+  lng: null,
+  holder: "GOOGLE",
+  ok: true,
+  fetchedAt: Date.now(),
+})
+assert.equal(lookupRipeCached("8.8.8.8")?.asn, 15169)
+assert.ok(
+  ripeLastCandidateCountForTests() < 8,
+  `index should not scan all prefixes, got ${ripeLastCandidateCountForTests()}`,
+)
+
+console.log("traffic-flow-ripe.test.ts: ok")

backend/src/services/traffic-flow-ripe.ts

@@ -0,0 +1,459 @@
+import { sqliteDatabase } from "../db/index.js"
+import { ipv4ToInt, isNonPublicIp, parseCidrV4 } from "./traffic-flow-ip.js"
+import { resolveRipeCountry } from "./traffic-flow-brands.js"
+
+export interface FlowIpMeta {
+  prefix: string
+  asn: number
+  country: string
+  lat: number | null
+  lng: number | null
+  holder: string
+  ok: boolean
+  fetchedAt: number
+}
+
+const HIT_TTL_MS = 24 * 60 * 60_000
+const NEG_TTL_MS = 6 * 60 * 60_000
+const MAX_NEW_PREFIX_PER_MIN = 30
+const MAX_QUEUE = 90
+const CONCURRENCY = 3
+const RIPE_BASE = "https://stat.ripe.net/data"
+const UA = "MikrotikManager-flow/1.0"
+
+const mem = new Map<string, FlowIpMeta>()
+const asnHolder = new Map<number, { holder: string; fetchedAt: number }>()
+const inflight = new Map<string, Promise<FlowIpMeta | null>>()
+const queue: string[] = []
+const queued = new Set<string>()
+const recentFetches: number[] = []
+
+interface RipeIndexed {
+  entry: FlowIpMeta
+  net: number
+  mask: number
+  prefixLen: number
+}
+
+/** /24 → кандидаты с prefixLen ≥ 24. Более широкие префиксы — в `wideIndex`. */
+const v24Index = new Map<number, RipeIndexed[]>()
+const wideIndex: RipeIndexed[] = []
+let lastCandidateCount = 0
+
+let persistEnabled = true
+let enqueueEnabled = true
+let loaded = false
+let workerRunning = false
+let fetchImpl: typeof fetch = globalThis.fetch.bind(globalThis)
+let fetchCount = 0
+
+export function disableRipePersistForTests(): void {
+  persistEnabled = false
+}
+
+export function disableRipeEnqueueForTests(): void {
+  enqueueEnabled = false
+}
+
+export function resetRipeCacheForTests(): void {
+  mem.clear()
+  asnHolder.clear()
+  inflight.clear()
+  queue.length = 0
+  queued.clear()
+  recentFetches.length = 0
+  v24Index.clear()
+  wideIndex.length = 0
+  lastCandidateCount = 0
+  loaded = persistEnabled ? false : true
+  workerRunning = false
+  fetchCount = 0
+  enqueueEnabled = true
+  fetchImpl = globalThis.fetch.bind(globalThis)
+}
+
+export function seedRipeCacheForTests(entry: FlowIpMeta): void {
+  remember(entry)
+  loaded = true
+}
+
+/** Сколько CIDR смотрели в последнем lookup (для теста индекса /24). */
+export function ripeLastCandidateCountForTests(): number {
+  return lastCandidateCount
+}
+
+export function setRipeFetchForTests(fn: typeof fetch): void {
+  fetchImpl = fn
+  fetchCount = 0
+}
+
+export function ripeFetchCountForTests(): number {
+  return fetchCount
+}
+
+export async function flushRipeQueueForTests(timeoutMs = 4000): Promise<void> {
+  const start = Date.now()
+  while (Date.now() - start < timeoutMs) {
+    if (!queue.length && !inflight.size && !workerRunning) return
+    await new Promise((r) => setTimeout(r, 20))
+  }
+}
+
+function ttlMs(ok: boolean): number {
+  return ok ? HIT_TTL_MS : NEG_TTL_MS
+}
+
+function isFresh(entry: FlowIpMeta): boolean {
+  return Date.now() - entry.fetchedAt < ttlMs(entry.ok)
+}
+
+function unindexPrefix(prefix: string): void {
+  const parsed = parseCidrV4(prefix)
+  if (!parsed) return
+  if (parsed.prefixLen >= 24) {
+    const key = parsed.net >>> 8
+    const list = v24Index.get(key)
+    if (!list) return
+    const next = list.filter((row) => row.entry.prefix !== prefix)
+    if (next.length) v24Index.set(key, next)
+    else v24Index.delete(key)
+    return
+  }
+  const idx = wideIndex.findIndex((row) => row.entry.prefix === prefix)
+  if (idx >= 0) wideIndex.splice(idx, 1)
+}
+
+function indexEntry(entry: FlowIpMeta): void {
+  const parsed = parseCidrV4(entry.prefix)
+  if (!parsed) return
+  const row: RipeIndexed = {
+    entry,
+    net: parsed.net,
+    mask: parsed.mask,
+    prefixLen: parsed.prefixLen,
+  }
+  if (parsed.prefixLen >= 24) {
+    const key = parsed.net >>> 8
+    const list = v24Index.get(key)
+    if (list) list.push(row)
+    else v24Index.set(key, [row])
+    return
+  }
+  wideIndex.push(row)
+}
+
+function remember(entry: FlowIpMeta): void {
+  const prev = mem.get(entry.prefix)
+  if (prev) unindexPrefix(prev.prefix)
+  mem.set(entry.prefix, entry)
+  indexEntry(entry)
+}
+
+function loadSqlite(): void {
+  if (loaded || !persistEnabled) {
+    loaded = true
+    return
+  }
+  loaded = true
+  try {
+    const rows = sqliteDatabase.prepare(`
+      SELECT prefix, asn, country, lat, lng, holder, ok, fetched_at
+      FROM flow_ip_meta
+    `).all() as Array<{
+      prefix: string
+      asn: number | null
+      country: string
+      lat: number | null
+      lng: number | null
+      holder: string
+      ok: number
+      fetched_at: string
+    }>
+    for (const r of rows) {
+      const fetchedAt = Date.parse(r.fetched_at)
+      const asn = Number(r.asn ?? 0) || 0
+      const holder = r.holder || ""
+      remember({
+        prefix: r.prefix,
+        asn,
+        country: resolveRipeCountry(r.country || "", asn, holder) || "—",
+        lat: r.lat == null ? null : Number(r.lat),
+        lng: r.lng == null ? null : Number(r.lng),
+        holder,
+        ok: r.ok !== 0,
+        fetchedAt: Number.isFinite(fetchedAt) ? fetchedAt : 0,
+      })
+    }
+    const asns = sqliteDatabase.prepare(`SELECT asn, holder, fetched_at FROM flow_asn_meta`).all() as Array<{
+      asn: number
+      holder: string
+      fetched_at: string
+    }>
+    for (const a of asns) {
+      const fetchedAt = Date.parse(a.fetched_at)
+      asnHolder.set(a.asn, { holder: a.holder || "", fetchedAt: Number.isFinite(fetchedAt) ? fetchedAt : 0 })
+    }
+  } catch {
+    /* table may not exist in isolated tests */
+  }
+}
+
+function persist(entry: FlowIpMeta): void {
+  if (!persistEnabled) return
+  try {
+    sqliteDatabase.prepare(`
+      INSERT INTO flow_ip_meta (prefix, asn, country, lat, lng, holder, ok, fetched_at)
+      VALUES (@prefix, @asn, @country, @lat, @lng, @holder, @ok, @fetchedAt)
+      ON CONFLICT(prefix) DO UPDATE SET
+        asn=excluded.asn, country=excluded.country, lat=excluded.lat, lng=excluded.lng,
+        holder=excluded.holder, ok=excluded.ok, fetched_at=excluded.fetched_at
+    `).run({
+      prefix: entry.prefix,
+      asn: entry.asn,
+      country: entry.country,
+      lat: entry.lat,
+      lng: entry.lng,
+      holder: entry.holder,
+      ok: entry.ok ? 1 : 0,
+      fetchedAt: new Date(entry.fetchedAt).toISOString(),
+    })
+  } catch {
+    /* ignore persist errors */
+  }
+}
+
+function persistAsn(asn: number, holder: string): void {
+  if (!persistEnabled || !asn) return
+  try {
+    sqliteDatabase.prepare(`
+      INSERT INTO flow_asn_meta (asn, holder, fetched_at)
+      VALUES (@asn, @holder, @fetchedAt)
+      ON CONFLICT(asn) DO UPDATE SET holder=excluded.holder, fetched_at=excluded.fetched_at
+    `).run({
+      asn,
+      holder,
+      fetchedAt: new Date().toISOString(),
+    })
+  } catch {
+    /* ignore */
+  }
+}
+
+/** Удаляет просроченный RIPE-кэш с диска (hit 24h / negative 6h). */
+export function pruneRipeSqlite(nowMs = Date.now()): void {
+  if (!persistEnabled) return
+  try {
+    const hitCutoff = new Date(nowMs - HIT_TTL_MS).toISOString()
+    const negCutoff = new Date(nowMs - NEG_TTL_MS).toISOString()
+    sqliteDatabase.prepare(`DELETE FROM flow_ip_meta WHERE ok != 0 AND fetched_at < ?`).run(hitCutoff)
+    sqliteDatabase.prepare(`DELETE FROM flow_ip_meta WHERE ok = 0 AND fetched_at < ?`).run(negCutoff)
+    sqliteDatabase.prepare(`DELETE FROM flow_asn_meta WHERE fetched_at < ?`).run(hitCutoff)
+  } catch {
+    /* table may not exist in isolated tests */
+  }
+}
+
+function negative(prefix: string): FlowIpMeta {
+  return {
+    prefix,
+    asn: 0,
+    country: "—",
+    lat: null,
+    lng: null,
+    holder: "",
+    ok: false,
+    fetchedAt: Date.now(),
+  }
+}
+
+export function lookupRipeCached(ip: string): FlowIpMeta | null {
+  loadSqlite()
+  const trimmed = String(ip ?? "").trim()
+  lastCandidateCount = 0
+  if (!trimmed) return null
+  if (isNonPublicIp(trimmed)) {
+    return negative(`${trimmed.includes(":") ? trimmed : trimmed}/32`)
+  }
+  const addr = ipv4ToInt(trimmed)
+  if (addr == null) return null
+  const bucket = v24Index.get(addr >>> 8)
+  const candidates = bucket ? bucket.concat(wideIndex) : wideIndex
+  lastCandidateCount = candidates.length
+  let best: FlowIpMeta | null = null
+  let bestLen = -1
+  for (const row of candidates) {
+    if (!isFresh(row.entry)) continue
+    if (((addr & row.mask) >>> 0) !== row.net) continue
+    if (row.prefixLen > bestLen) {
+      best = row.entry
+      bestLen = row.prefixLen
+    }
+  }
+  return best
+    ? { ...best, country: resolveRipeCountry(best.country, best.asn, best.holder) || "—" }
+    : null
+}
+
+async function ripeJson(path: string, resource: string): Promise<unknown> {
+  fetchCount += 1
+  const url = `${RIPE_BASE}/${path}/data.json?resource=${encodeURIComponent(resource)}`
+  const ac = new AbortController()
+  const t = setTimeout(() => ac.abort(), 12_000)
+  try {
+    const res = await fetchImpl(url, {
+      headers: { Accept: "application/json", "User-Agent": UA },
+      signal: ac.signal,
+    })
+    if (!res.ok) throw new Error(`HTTP ${res.status}`)
+    return await res.json()
+  } finally {
+    clearTimeout(t)
+  }
+}
+
+function pickPrefix(data: unknown): string {
+  const d = data as { data?: { prefix?: string } }
+  return String(d?.data?.prefix ?? "").trim()
+}
+
+function pickAsns(data: unknown): number {
+  const d = data as { data?: { asns?: unknown } }
+  const raw = d?.data?.asns
+  const first = Array.isArray(raw) ? raw[0] : raw
+  const n = Number.parseInt(String(first ?? "").replace(/^AS/i, ""), 10)
+  return Number.isFinite(n) ? n : 0
+}
+
+function pickGeo(data: unknown): { country: string; lat: number | null; lng: number | null } {
+  const d = data as {
+    data?: {
+      located_resources?: Array<{
+        locations?: Array<{ country?: string; latitude?: number; longitude?: number }>
+      }>
+    }
+  }
+  const loc = d?.data?.located_resources?.[0]?.locations?.[0]
+  const country = resolveRipeCountry(String(loc?.country ?? ""), 0, "")
+  const lat = loc?.latitude == null ? null : Number(loc.latitude)
+  const lng = loc?.longitude == null ? null : Number(loc.longitude)
+  return {
+    country: country || "—",
+    lat: Number.isFinite(lat) ? lat : null,
+    lng: Number.isFinite(lng) ? lng : null,
+  }
+}
+
+function pickHolder(data: unknown): string {
+  const d = data as { data?: { holder?: string } }
+  return String(d?.data?.holder ?? "").trim()
+}
+
+function allowNewPrefix(): boolean {
+  const now = Date.now()
+  while (recentFetches.length && now - recentFetches[0]! > 60_000) recentFetches.shift()
+  return recentFetches.length < MAX_NEW_PREFIX_PER_MIN
+}
+
+async function resolveIp(ip: string): Promise<FlowIpMeta | null> {
+  const cached = lookupRipeCached(ip)
+  if (cached) return cached
+  const pending = inflight.get(ip)
+  if (pending) return pending
+
+  const job = (async () => {
+    if (!allowNewPrefix()) return null
+    recentFetches.push(Date.now())
+    try {
+      const net = await ripeJson("network-info", ip)
+      const prefix = pickPrefix(net) || `${ip}/32`
+      const existing = mem.get(prefix)
+      if (existing && isFresh(existing)) return existing
+      const asn = pickAsns(net)
+      let geo = { country: "—", lat: null as number | null, lng: null as number | null }
+      try {
+        geo = pickGeo(await ripeJson("maxmind-geo-lite", prefix))
+      } catch {
+        /* best-effort */
+      }
+      let holder = asnHolder.get(asn)?.holder ?? ""
+      if (asn && (!holder || Date.now() - (asnHolder.get(asn)?.fetchedAt ?? 0) > HIT_TTL_MS)) {
+        try {
+          holder = pickHolder(await ripeJson("as-overview", `AS${asn}`))
+          asnHolder.set(asn, { holder, fetchedAt: Date.now() })
+          persistAsn(asn, holder)
+        } catch {
+          /* best-effort */
+        }
+      }
+      const country = resolveRipeCountry(geo.country, asn, holder)
+      const entry: FlowIpMeta = {
+        prefix,
+        asn,
+        country: country || "—",
+        lat: geo.lat,
+        lng: geo.lng,
+        holder,
+        ok: Boolean(asn || country),
+        fetchedAt: Date.now(),
+      }
+      remember(entry)
+      persist(entry)
+      return entry
+    } catch {
+      const prefix = `${ip}/32`
+      const entry = negative(prefix)
+      remember(entry)
+      persist(entry)
+      return entry
+    } finally {
+      inflight.delete(ip)
+    }
+  })()
+
+  inflight.set(ip, job)
+  return job
+}
+
+async function runWorker(): Promise<void> {
+  if (workerRunning) return
+  workerRunning = true
+  try {
+    while (queue.length) {
+      const batch: string[] = []
+      while (batch.length < CONCURRENCY && queue.length) {
+        const ip = queue.shift()
+        if (!ip) break
+        queued.delete(ip)
+        if (lookupRipeCached(ip)) continue
+        if (ipv4ToInt(ip) == null && !ip.includes(":")) continue
+        batch.push(ip)
+      }
+      if (!batch.length) {
+        if (!allowNewPrefix()) {
+          await new Promise((r) => setTimeout(r, 1000))
+        }
+        continue
+      }
+      await Promise.all(batch.map((ip) => resolveIp(ip)))
+    }
+  } finally {
+    workerRunning = false
+    if (queue.length) void runWorker()
+  }
+}
+
+/** HTTP / SSE never await this — cache miss is filled on a later tick. */
+export function enqueueRipeMisses(ips: Iterable<string>): void {
+  if (!enqueueEnabled) return
+  loadSqlite()
+  for (const raw of ips) {
+    if (queue.length >= MAX_QUEUE) break
+    const ip = String(raw ?? "").trim()
+    if (!ip || isNonPublicIp(ip)) continue
+    if (lookupRipeCached(ip)) continue
+    if (queued.has(ip) || inflight.has(ip)) continue
+    queued.add(ip)
+    queue.push(ip)
+  }
+  if (queue.length) void runWorker()
+}

backend/src/services/traffic-flow-settings.ts

@@ -4,10 +4,42 @@ import { trafficFlowSettings } from "../db/schema.js"
 import type { FlowHostPeer, TrafficFlowSettingsDto, TrafficFlowSettingsPatch } from "@mmapp/contracts/traffic-flow"
 import { generateWireGuardKeyPair } from "./wg-keys.js"
 
+let settingsRowCache: ReturnType<typeof readSettingsRow> | null = null
+
 function nowIso() {
   return new Date().toISOString()
 }
 
+export function invalidateTrafficFlowSettingsCache(): void {
+  settingsRowCache = null
+}
+
+function readSettingsRow() {
+  return db.select().from(trafficFlowSettings).where(eq(trafficFlowSettings.id, 1)).limit(1).all()[0]
+}
+
+export function getTrafficFlowSettingsRow() {
+  if (settingsRowCache) return settingsRowCache
+  const row = readSettingsRow()
+  if (row) {
+    settingsRowCache = row
+    return row
+  }
+  const now = nowIso()
+  db.insert(trafficFlowSettings).values({
+    id: 1,
+    enabled: false,
+    collectorIp: "10.255.254.1",
+    flowListenPort: 4739,
+    wgListenPort: 51821,
+    prefix: "10.255.254.0/24",
+    createdAt: now,
+    updatedAt: now,
+  }).run()
+  settingsRowCache = readSettingsRow()
+  return settingsRowCache!
+}
+
 function parsePeers(raw: string): FlowHostPeer[] {
   try {
     const parsed = JSON.parse(raw) as unknown
@@ -20,23 +52,6 @@ function parsePeers(raw: string): FlowHostPeer[] {
   }
 }
 
-export function getTrafficFlowSettingsRow() {
-  const row = db.select().from(trafficFlowSettings).where(eq(trafficFlowSettings.id, 1)).limit(1).all()[0]
-  if (row) return row
-  const now = nowIso()
-  db.insert(trafficFlowSettings).values({
-    id: 1,
-    enabled: false,
-    collectorIp: "10.255.254.1",
-    flowListenPort: 4739,
-    wgListenPort: 51821,
-    prefix: "10.255.254.0/24",
-    createdAt: now,
-    updatedAt: now,
-  }).run()
-  return db.select().from(trafficFlowSettings).where(eq(trafficFlowSettings.id, 1)).limit(1).all()[0]
-}
-
 export function toTrafficFlowSettingsDto(
   listener: { bound: boolean; address: string | null },
 ): TrafficFlowSettingsDto {
@@ -53,6 +68,7 @@ export function toTrafficFlowSettingsDto(
     hubServerId: row.hubServerId ?? null,
     retentionHours: row.retentionHours,
     topN: row.topN,
+    mapServiceMinSharePct: Number(row.mapServiceMinSharePct ?? 5),
     lastDatagramAt: row.lastDatagramAt ?? null,
     lastExporterIp: row.lastExporterIp ?? null,
     lastError: row.lastError || null,
@@ -75,8 +91,12 @@ export function updateTrafficFlowSettings(patch: TrafficFlowSettingsPatch) {
     hubServerId: patch.hubServerId === undefined ? row.hubServerId : patch.hubServerId,
     retentionHours: patch.retentionHours ?? row.retentionHours,
     topN: patch.topN ?? row.topN,
+    mapServiceMinSharePct: patch.mapServiceMinSharePct == null
+      ? row.mapServiceMinSharePct
+      : Math.min(100, Math.max(0, patch.mapServiceMinSharePct)),
     updatedAt: nowIso(),
   }).where(eq(trafficFlowSettings.id, 1)).run()
+  invalidateTrafficFlowSettingsCache()
   return getTrafficFlowSettingsRow()
 }
 
@@ -91,6 +111,7 @@ export function ensureHostKeys(): { publicKey: string; created: boolean } {
     hostPrivateKey: keys.privateKey,
     updatedAt: nowIso(),
   }).where(eq(trafficFlowSettings.id, 1)).run()
+  invalidateTrafficFlowSettingsCache()
   return { publicKey: keys.publicKey, created: true }
 }
 
@@ -102,6 +123,7 @@ export function upsertHostPeer(peer: FlowHostPeer) {
     peersJson: JSON.stringify(peers),
     updatedAt: nowIso(),
   }).where(eq(trafficFlowSettings.id, 1)).run()
+  invalidateTrafficFlowSettingsCache()
 }
 
 export function recordFlowPacket(exporterIp: string) {
@@ -112,6 +134,7 @@ export function recordFlowPacket(exporterIp: string) {
     packetsReceived: row.packetsReceived + 1,
     updatedAt: nowIso(),
   }).where(eq(trafficFlowSettings.id, 1)).run()
+  invalidateTrafficFlowSettingsCache()
 }
 
 export function recordFlowListenerError(message: string) {
@@ -119,6 +142,7 @@ export function recordFlowListenerError(message: string) {
     lastError: message,
     updatedAt: nowIso(),
   }).where(eq(trafficFlowSettings.id, 1)).run()
+  invalidateTrafficFlowSettingsCache()
 }
 
 export function enableTrafficFlowIngest() {
@@ -126,8 +150,20 @@ export function enableTrafficFlowIngest() {
     enabled: true,
     updatedAt: nowIso(),
   }).where(eq(trafficFlowSettings.id, 1)).run()
+  invalidateTrafficFlowSettingsCache()
 }
 
 export function listHostPeers(): FlowHostPeer[] {
   return parsePeers(getTrafficFlowSettingsRow().peersJson)
 }
+
+export function resetFlowIngestCounters(): void {
+  db.update(trafficFlowSettings).set({
+    packetsReceived: 0,
+    lastDatagramAt: null,
+    lastExporterIp: null,
+    lastError: "",
+    updatedAt: nowIso(),
+  }).where(eq(trafficFlowSettings.id, 1)).run()
+  invalidateTrafficFlowSettingsCache()
+}

backend/src/services/traffic-flow-topology.ts

@@ -0,0 +1,206 @@
+import { db, sqliteDatabase } from "../db/index.js"
+import { appUsers, servers, userInterfaceBindings } from "../db/schema.js"
+import { mapRosInterfaceType } from "../modules/users/iface-type.js"
+import type { PlaneTopology } from "./traffic-flow-planes.js"
+
+export interface FlowClientBinding {
+  userId: string
+  login: string
+  name: string
+  serverId: number
+  interfaceName: string
+}
+
+export interface FlowEnNode {
+  id: number
+  name: string
+  hosts: string[]
+}
+
+export interface FlowTopology {
+  clientIfaces: Map<number, Set<string>>
+  clientByIface: Map<string, FlowClientBinding>
+  enNodes: FlowEnNode[]
+  enHosts: Set<string>
+  jhHosts: Set<string>
+  wanIfaces: Map<number, Set<string>>
+  plane: PlaneTopology
+}
+
+export interface ServerCatalogEntry {
+  id: number
+  name: string
+  country: string
+  host: string
+  type: string
+  site: string
+}
+
+const CATALOG_TTL_MS = 5_000
+
+let seeded: FlowTopology | null = null
+let topologyCache: { at: number; topo: FlowTopology } | null = null
+let serverCatalogCache: { at: number; list: ServerCatalogEntry[]; byId: Map<number, ServerCatalogEntry> } | null = null
+
+export function invalidateFlowCatalogCache(): void {
+  topologyCache = null
+  serverCatalogCache = null
+}
+
+export function getServerCatalog(): { list: ServerCatalogEntry[]; byId: Map<number, ServerCatalogEntry> } {
+  const now = Date.now()
+  if (serverCatalogCache && now - serverCatalogCache.at < CATALOG_TTL_MS) {
+    return serverCatalogCache
+  }
+  const rows = db.select().from(servers).all()
+  const list: ServerCatalogEntry[] = rows.map((s) => ({
+    id: s.id,
+    name: s.name || s.host,
+    country: (s.country || "").toUpperCase() || "UN",
+    host: s.host,
+    type: s.type,
+    site: s.site || "—",
+  }))
+  const byId = new Map(list.map((s) => [s.id, s]))
+  serverCatalogCache = { at: now, list, byId }
+  return serverCatalogCache
+}
+
+function parseWanUplinks(raw: string): Array<{ iface?: string; ip?: string }> {
+  try {
+    const parsed = JSON.parse(raw || "[]") as unknown
+    return Array.isArray(parsed) ? parsed as Array<{ iface?: string; ip?: string }> : []
+  } catch {
+    return []
+  }
+}
+
+function ifaceKey(serverId: number, name: string): string {
+  return `${serverId}|${name}`
+}
+
+export function loadFlowTopology(): FlowTopology {
+  if (seeded) return seeded
+  const now = Date.now()
+  if (topologyCache && now - topologyCache.at < CATALOG_TTL_MS) return topologyCache.topo
+  const serverRows = db.select().from(servers).all()
+  const users = db.select().from(appUsers).all()
+  const binds = db.select().from(userInterfaceBindings).all()
+  const loginById = new Map(users.map((u) => [u.id, u]))
+  const clientIfaces = new Map<number, Set<string>>()
+  const clientByIface = new Map<string, FlowClientBinding>()
+  const allClientNames = new Set<string>()
+  for (const b of binds) {
+    const set = clientIfaces.get(b.serverId) ?? new Set<string>()
+    set.add(b.interfaceName)
+    clientIfaces.set(b.serverId, set)
+    allClientNames.add(b.interfaceName)
+    const user = loginById.get(b.userId)
+    clientByIface.set(ifaceKey(b.serverId, b.interfaceName), {
+      userId: b.userId,
+      login: user?.login || b.userId,
+      name: user?.name || user?.login || b.userId,
+      serverId: b.serverId,
+      interfaceName: b.interfaceName,
+    })
+  }
+  const enHosts = new Set<string>()
+  const jhHosts = new Set<string>()
+  const enNodes: FlowEnNode[] = []
+  const wanIfaces = new Map<number, Set<string>>()
+  for (const s of serverRows) {
+    const wans = parseWanUplinks(s.wanUplinks)
+    const hosts = [s.host, ...wans.map((w) => String(w.ip ?? "").trim())].filter(Boolean)
+    const wanSet = new Set(wans.map((w) => String(w.iface ?? "").trim()).filter(Boolean))
+    if (wanSet.size) wanIfaces.set(s.id, wanSet)
+    if (s.type === "exit-node") {
+      for (const h of hosts) enHosts.add(h)
+      enNodes.push({ id: s.id, name: s.name || s.host, hosts })
+    }
+    if (s.type === "jump-host") {
+      for (const h of hosts) jhHosts.add(h)
+    }
+  }
+  const topo: FlowTopology = {
+    clientIfaces,
+    clientByIface,
+    enNodes,
+    enHosts,
+    jhHosts,
+    wanIfaces,
+    plane: {
+      clientIfaceNames: allClientNames,
+      enHosts,
+      jhHosts,
+    },
+  }
+  topologyCache = { at: Date.now(), topo }
+  return topo
+}
+
+export function seedFlowTopologyForTests(topo: FlowTopology | null): void {
+  seeded = topo
+  invalidateFlowCatalogCache()
+}
+
+export function resolveClient(
+  topo: FlowTopology,
+  serverId: number,
+  inIfaceName: string,
+): FlowClientBinding | null {
+  return topo.clientByIface.get(ifaceKey(serverId, inIfaceName)) ?? null
+}
+
+export function resolveEn(
+  topo: FlowTopology,
+  nextHop: string,
+  outIfaceName: string,
+): FlowEnNode | null {
+  if (nextHop) {
+    const hit = topo.enNodes.find((n) => n.hosts.includes(nextHop))
+    if (hit) return hit
+  }
+  const needle = outIfaceName.trim().toLowerCase()
+  if (!needle) return null
+  return topo.enNodes.find((n) => {
+    const name = n.name.toLowerCase()
+    const host = (n.hosts[0] ?? "").toLowerCase()
+    return (name && needle.includes(name)) || (host && needle.includes(host.split(".")[0] ?? ""))
+  }) ?? null
+}
+
+export function enGreIfaceNames(topo: FlowTopology, serverId: number, ifaceNames: string[]): string[] {
+  const client = topo.clientIfaces.get(serverId) ?? new Set<string>()
+  return ifaceNames.filter((name) => {
+    if (client.has(name)) return false
+    if (name === "wg-flow") return false
+    return mapRosInterfaceType("", name) === "gre"
+  })
+}
+
+export function latestWireBps(serverId: number, ifaceNames: string[]): { bps: number; bytes: number } {
+  if (!ifaceNames.length) return { bps: 0, bytes: 0 }
+  const placeholders = ifaceNames.map(() => "?").join(",")
+  const rows = sqliteDatabase.prepare(`
+    SELECT interface_name AS name, rx_bps AS rxBps, tx_bps AS txBps, rx_bytes AS rxBytes, tx_bytes AS txBytes
+    FROM traffic_samples
+    WHERE server_id = ? AND interface_name IN (${placeholders})
+    ORDER BY sampled_at DESC
+  `).all(serverId, ...ifaceNames) as Array<{
+    name: string
+    rxBps: number
+    txBps: number
+    rxBytes: number
+    txBytes: number
+  }>
+  const seen = new Set<string>()
+  let bps = 0
+  let bytes = 0
+  for (const r of rows) {
+    if (seen.has(r.name)) continue
+    seen.add(r.name)
+    bps += (Number(r.rxBps) || 0) + (Number(r.txBps) || 0)
+    bytes += (Number(r.rxBytes) || 0) + (Number(r.txBytes) || 0)
+  }
+  return { bps, bytes }
+}

backend/tsconfig.json

@@ -15,5 +15,5 @@
     "sourceMap": true
   },
   "include": ["src/**/*"],
-  "exclude": ["node_modules", "dist"]
+  "exclude": ["node_modules", "dist", "src/**/*.test.ts"]
 }

components/data-grids/traffic-flows-data-grid.tsx

@@ -28,12 +28,19 @@ function TrafficFlowsDataGrid({
 }) {
   const columns = useMemo<ColumnDef<FlowTalkerDto>[]>(
     () => [
+      {
+        id: "client",
+        accessorFn: (r) => r.clientName ?? "",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Клиент</span>,
+        cell: ({ row }) => <span className="text-xs">{row.original.clientName || "—"}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD_FIRST, cellClassName: DATA_GRID_CELL_PAD_FIRST },
+      },
       {
         id: "server",
         accessorKey: "serverName",
         header: () => <span className="text-xs font-medium text-muted-foreground">JH</span>,
         cell: ({ row }) => <span className="text-sm font-medium">{row.original.serverName}</span>,
-        meta: { headerClassName: DATA_GRID_CELL_PAD_FIRST, cellClassName: DATA_GRID_CELL_PAD_FIRST },
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
       },
       {
         id: "src",
@@ -59,6 +66,22 @@ function TrafficFlowsDataGrid({
         ),
         meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
       },
+      {
+        id: "app",
+        accessorFn: (r) => r.application ?? r.protoName,
+        header: () => <span className="text-xs font-medium text-muted-foreground">App</span>,
+        cell: ({ row }) => (
+          <span className="flex min-w-0 flex-col gap-0.5 text-xs">
+            <span>{row.original.application ?? row.original.protoName}</span>
+            {row.original.category || row.original.service ? (
+              <span className="text-[10px] text-muted-foreground truncate">
+                {[row.original.category, row.original.service].filter(Boolean).join(" · ")}
+              </span>
+            ) : null}
+          </span>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
       {
         id: "proto",
         accessorKey: "protoName",
@@ -80,6 +103,20 @@ function TrafficFlowsDataGrid({
         cell: ({ row }) => <span className="text-xs tabular-nums">{formatBytes(row.original.bytes)}</span>,
         meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
       },
+      {
+        id: "en",
+        accessorFn: (r) => r.enName ?? "",
+        header: () => <span className="text-xs font-medium text-muted-foreground">EN</span>,
+        cell: ({ row }) => <span className="text-xs">{row.original.enName || "—"}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "plane",
+        accessorFn: (r) => r.plane ?? "",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Плоскость</span>,
+        cell: ({ row }) => <span className="text-xs text-muted-foreground">{row.original.plane || "—"}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
       {
         id: "iface",
         accessorKey: "inIface",

components/flag.tsx

@@ -46,6 +46,7 @@ function nearestCdnSize(px: number): number {
 export function Flag({ code, size = 20, className }: FlagProps) {
   if (!code) return null
   const lower  = code.toLowerCase()
+  if (!/^[a-z]{2}$/.test(lower)) return null
   const name   = countryName(code.toUpperCase())
   const cdnSrc = nearestCdnSize(size)
   const cdnSrc2x = nearestCdnSize(size * 2)

components/network-map/service-brand-icon.tsx

@@ -0,0 +1,131 @@
+"use client"
+
+import type { ReactNode } from "react"
+
+function slug(label: string): string {
+  return label.trim().toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, "")
+}
+
+function GenericCloud({ size }: { size: number }) {
+  return (
+    <svg width={size} height={size} viewBox="0 0 24 24" aria-hidden>
+      <path
+        d="M7.5 18h9.2A4.3 4.3 0 0 0 21 13.8a4.2 4.2 0 0 0-3.7-4.2A6.1 6.1 0 0 0 6.2 11 3.8 3.8 0 0 0 3 14.7 3.7 3.7 0 0 0 6.8 18Z"
+        fill="#38bdf8"
+        opacity="0.92"
+      />
+    </svg>
+  )
+}
+
+function BrandSvg({ children, size }: { children: ReactNode; size: number }) {
+  return (
+    <svg width={size} height={size} viewBox="0 0 24 24" aria-hidden>
+      {children}
+    </svg>
+  )
+}
+
+export function ServiceBrandIcon({ label, size = 22 }: { label: string; size?: number }) {
+  switch (slug(label)) {
+    case "cloudflare":
+      return (
+        <BrandSvg size={size}>
+          <path d="M6.2 15.4h12.4c1.6 0 2.6-1.1 2.4-2.4-.2-1.4-1.4-2.1-2.8-2.1-.3-2.4-2.3-4.1-4.8-4.1-1.9 0-3.5 1-4.4 2.5-.4-.2-.9-.3-1.4-.3-1.7 0-3.1 1.3-3.2 3-.1 1.8 1.3 3.4 3.2 3.4Z" fill="#F38020" />
+        </BrandSvg>
+      )
+    case "google":
+      return (
+        <svg width={size} height={size} viewBox="0 0 48 48" aria-hidden>
+          <path fill="#FFC107" d="M43.6 20.1H42V20H24v8h11.3C33.7 32.7 29.3 36 24 36c-6.6 0-12-5.4-12-12s5.4-12 12-12c3.1 0 5.8 1.2 8 3l5.7-5.7C34 6.1 29.3 4 24 4 13 4 4 13 4 24s8.9 20 20 20c11 0 20-9 20-20 0-1.3-.1-2.7-.4-3.9z" />
+          <path fill="#FF3D00" d="M6.3 14.7 12.9 19.5C14.7 15.1 19 12 24 12c3.1 0 5.8 1.2 8 3l5.7-5.7C34 6.1 29.3 4 24 4 16.3 4 9.7 8.3 6.3 14.7z" />
+          <path fill="#4CAF50" d="M24 44c5.2 0 9.9-2 13.4-5.2l-6.2-5.2C29.2 35.1 26.7 36 24 36c-5.2 0-9.6-3.3-11.3-7.9l-6.5 5C9.5 39.6 16.2 44 24 44z" />
+          <path fill="#1976D2" d="M43.6 20.1H42V20H24v8h11.3c-.8 2.2-2.2 4.2-4.1 5.6l6.2 5.2C36.9 39.2 44 34 44 24c0-1.3-.1-2.7-.4-3.9z" />
+        </svg>
+      )
+    case "aws":
+    case "amazon":
+      return (
+        <BrandSvg size={size}>
+          <path d="M6.2 8.2 12 5.4l5.8 2.8v3.4L12 14.6 6.2 11.6Z" fill="#232F3E" />
+          <path d="M5.2 15.6c3.6 2.6 9.8 2.7 13.6 0" fill="none" stroke="#FF9900" strokeWidth="1.8" strokeLinecap="round" />
+        </BrandSvg>
+      )
+    case "steam":
+      return (
+        <BrandSvg size={size}>
+          <circle cx="12" cy="12" r="10" fill="#1b2838" />
+          <circle cx="8.2" cy="14.4" r="3.1" fill="#66c0f4" />
+          <circle cx="15.4" cy="9.2" r="3.6" fill="#c7d5e0" />
+          <circle cx="15.4" cy="9.2" r="1.5" fill="#1b2838" />
+        </BrandSvg>
+      )
+    case "blizzard":
+      return (
+        <BrandSvg size={size}>
+          <path d="M6 5h7.4c3 0 4.8 1.6 4.8 4.1 0 1.8-1 3.1-2.6 3.7 2 .5 3.2 2 3.2 4.1 0 2.8-2.1 4.6-5.6 4.6H6Z" fill="#00AEFF" />
+          <path d="M9.2 8.2h3.4c1.2 0 1.8.6 1.8 1.5s-.6 1.5-1.8 1.5H9.2Zm0 5.2h3.8c1.3 0 2 .6 2 1.6s-.7 1.6-2 1.6H9.2Z" fill="#06121f" />
+        </BrandSvg>
+      )
+    case "youtube":
+      return (
+        <BrandSvg size={size}>
+          <rect x="2" y="6" width="20" height="12" rx="3" fill="#FF0000" />
+          <path d="M10.2 9.2v5.6L15.6 12Z" fill="#fff" />
+        </BrandSvg>
+      )
+    case "netflix":
+      return (
+        <BrandSvg size={size}>
+          <path d="M6 3h3.2l5.6 18H11.6Z" fill="#E50914" />
+          <path d="M14.8 3H18v18h-3.2Z" fill="#B81D24" />
+        </BrandSvg>
+      )
+    case "microsoft":
+      return (
+        <BrandSvg size={size}>
+          <rect x="3" y="3" width="8" height="8" fill="#F25022" />
+          <rect x="13" y="3" width="8" height="8" fill="#7FBA00" />
+          <rect x="3" y="13" width="8" height="8" fill="#00A4EF" />
+          <rect x="13" y="13" width="8" height="8" fill="#FFB900" />
+        </BrandSvg>
+      )
+    case "meta":
+      return (
+        <BrandSvg size={size}>
+          <path d="M4 14.5c1.8-4.2 4-7.5 6.4-7.5 1.6 0 2.5 1.3 4.6 6.3 1.4 3.4 2.2 4.7 3.4 4.7 1.8 0 3.6-2.6 4.6-5" fill="none" stroke="#0081FB" strokeWidth="2.2" strokeLinecap="round" />
+        </BrandSvg>
+      )
+    case "telegram":
+      return (
+        <BrandSvg size={size}>
+          <circle cx="12" cy="12" r="10" fill="#229ED9" />
+          <path d="M7.2 12.1 16.8 8.4 15 16.2l-3.1-1.8-1.6 1.6-.2-2.6Z" fill="#fff" />
+        </BrandSvg>
+      )
+    case "discord":
+      return (
+        <BrandSvg size={size}>
+          <path d="M7.2 5.8 8.6 4.6c2.1.8 4.2 1.2 6.4 1.2h.8L17 5.8c1.8 2.4 2.6 5.4 2.4 8.6-1.6 1.2-3.3 2.1-5.2 2.6L13 15.2c.7-.2 1.3-.6 1.8-1.1-2 .9-4.2.9-6.2 0 .5.5 1.1.9 1.8 1.1L8.8 17c-1.9-.5-3.6-1.4-5.2-2.6C3.4 11.2 4.2 8.2 6 5.8Z" fill="#5865F2" />
+          <circle cx="9.2" cy="11.2" r="1.2" fill="#fff" />
+          <circle cx="14.8" cy="11.2" r="1.2" fill="#fff" />
+        </BrandSvg>
+      )
+    case "twitch":
+      return (
+        <BrandSvg size={size}>
+          <path d="M5 4h14v10.2l-4 4H11l-2.2 2.2H7.2V18.2H5Z" fill="#9146FF" />
+          <path d="M7.4 6.4h1.8v5.2H7.4Zm4 0h1.8v5.2H11.4Z" fill="#fff" />
+        </BrandSvg>
+      )
+    case "tiktok":
+      return (
+        <BrandSvg size={size}>
+          <path d="M14.2 4v9.1a3.3 3.3 0 1 1-2.8-3.3V7.2c1.6.9 3.2 1.4 5 1.5V5.4c-1.4-.1-2.7-.6-3.8-1.4H14.2Z" fill="#25F4EE" />
+          <path d="M13.4 4v9.1a3.3 3.3 0 1 1-2.8-3.3V7.2c1.6.9 3.2 1.4 5 1.5V5.4c-1.4-.1-2.7-.6-3.8-1.4H13.4Z" fill="#FE2C55" transform="translate(1.2 1)" />
+        </BrandSvg>
+      )
+    default:
+      return <GenericCloud size={size} />
+  }
+}

components/traffic/flow-analytics-panel.tsx

@@ -0,0 +1,640 @@
+"use client"
+
+import { useMemo, useState } from "react"
+import { type ColumnDef, getCoreRowModel, useReactTable } from "@tanstack/react-table"
+import type { FlowAnalyticsDto, FlowBreakdownRow, FlowEntityCard, FlowPathRow, FlowTalkerDto } from "@mmapp/contracts/traffic-flow"
+import { ArrowDownIcon, ArrowUpIcon, GitBranchIcon, GlobeIcon, LayersIcon, NetworkIcon, RouteIcon, ShieldIcon, UsersIcon } from "lucide-react"
+import { Badge } from "@/components/reui/badge"
+import { KpiStatGrid, type KpiStatItem } from "@/components/reui-kit/kpi-stat-grid"
+import { TrafficRxTxChart } from "@/components/reui-kit/traffic-rx-tx-chart"
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs"
+import { Switch } from "@/components/ui/switch"
+import { Label } from "@/components/ui/label"
+import { DataGridShell } from "@/components/data-grids/shared/data-grid-shell"
+import {
+  DATA_GRID_CELL_PAD,
+  DATA_GRID_CELL_PAD_FIRST,
+  DATA_GRID_CELL_PAD_LAST,
+} from "@/components/data-grids/shared/data-grid-layout"
+import { TrafficFlowsDataGrid } from "@/components/data-grids/traffic-flows-data-grid"
+import { FlowTrafficMap } from "@/components/traffic/flow-traffic-map"
+import { StatusDot } from "@/components/status-dot"
+import { Flag } from "@/components/flag"
+import { fmtRate } from "@/lib/fmt-rate"
+import { cn } from "@/lib/utils"
+
+function formatBytes(n: number): string {
+  if (n >= 1_000_000_000) return `${(n / 1_000_000_000).toFixed(2)} ГБ`
+  if (n >= 1_000_000) return `${(n / 1_000_000).toFixed(1)} МБ`
+  if (n >= 1000) return `${(n / 1000).toFixed(1)} КБ`
+  return `${n} Б`
+}
+
+const RANGE_KEYS = ["5m", "15m", "1h", "4h", "24h", "30d"] as const
+const RANGE_LABELS: Record<string, string> = {
+  "5m": "5м",
+  "15m": "15м",
+  "1h": "1ч",
+  "4h": "4ч",
+  "24h": "24ч",
+  "30d": "месяц",
+}
+
+function MiniAreaChart({ rx, tx, height = 44 }: { rx: number[]; tx: number[]; height?: number }) {
+  const W = 300
+  const H = height
+  const maxVal = Math.max(...rx, ...tx, 1) * 1.1
+  const xAt = (i: number) => (rx.length <= 1 ? 0 : (i / (rx.length - 1)) * W)
+  const yAt = (v: number) => H - (v / maxVal) * H
+  const area = (arr: number[]) => {
+    const pts = arr.map((v, i) => `${xAt(i).toFixed(1)},${yAt(v).toFixed(1)}`).join(" L ")
+    return `M 0,${H} L ${pts} L ${W},${H} Z`
+  }
+  const line = (arr: number[]) => arr.map((v, i) => `${xAt(i).toFixed(1)},${yAt(v).toFixed(1)}`).join(" ")
+  return (
+    <svg viewBox={`0 0 ${W} ${H}`} className="w-full h-11" preserveAspectRatio="none">
+      <path d={area(rx)} fill="var(--chart-rx)" fillOpacity="0.15" />
+      <polyline points={line(rx)} fill="none" stroke="var(--chart-rx)" strokeWidth="1.5" />
+      {tx.some((v) => v > 0) ? (
+        <polyline points={line(tx)} fill="none" stroke="var(--chart-tx)" strokeWidth="1.5" />
+      ) : null}
+    </svg>
+  )
+}
+
+export function FlowEntityCardView({
+  card,
+  selected,
+  onClick,
+}: {
+  card: FlowEntityCard
+  selected: boolean
+  onClick: () => void
+}) {
+  return (
+    <button
+      type="button"
+      onClick={onClick}
+      className={cn(
+        "text-left w-full rounded-lg border p-3 transition-colors hover:bg-muted/50",
+        selected ? "border-primary bg-primary/5" : "border-border bg-card",
+        card.status === "offline" && "opacity-60",
+      )}
+    >
+      <div className="flex items-center justify-between gap-2 mb-2">
+        <div className="flex items-center gap-1.5 min-w-0">
+          <StatusDot status={card.status} />
+          <span className="text-xs font-medium truncate">{card.name}</span>
+        </div>
+        <span className="text-[10px] font-mono text-muted-foreground shrink-0 flex items-center gap-1">
+          {card.country !== "UN" ? <Flag code={card.country} /> : null}
+          {card.site}
+        </span>
+      </div>
+      <MiniAreaChart rx={card.rxSeries} tx={card.txSeries} />
+      <div className="flex justify-between mt-2 gap-2">
+        <div className="flex items-center gap-1 text-[11px]">
+          <ArrowDownIcon className="size-3 text-success" />
+          <span className="font-mono font-medium text-success">{fmtRate(card.rxNow)}</span>
+        </div>
+        <div className="flex items-center gap-1 text-[11px]">
+          <ArrowUpIcon className="size-3 text-info" />
+          <span className="font-mono font-medium text-info">{fmtRate(card.txNow)}</span>
+        </div>
+        <div className="flex items-center gap-0.5 text-[10px] text-muted-foreground">
+          <GitBranchIcon className="size-3" />{card.sessions}
+        </div>
+      </div>
+    </button>
+  )
+}
+
+type SessionFilter = {
+  kind: "application" | "category" | "service" | "asn" | "country" | "protocol" | "source" | "destination" | "iface" | "client" | "en"
+  value: string
+  label: string
+}
+
+function talkerMatchesFilter(row: FlowTalkerDto, filter: SessionFilter): boolean {
+  switch (filter.kind) {
+    case "application": return row.application === filter.value
+    case "category": return row.category === filter.value
+    case "service": return row.service === filter.value
+    case "asn": return String(row.dstAsn ?? "") === filter.value
+    case "country": return row.dstCountry === filter.value
+    case "protocol": return row.protoName === filter.value
+    case "source": return row.src === filter.value
+    case "destination": return row.dst === filter.value
+    case "iface": return row.inIface === filter.value
+    case "client": return (row.clientId || "unknown") === filter.value
+    case "en": return (row.enId || "") === filter.value
+  }
+}
+
+function FlowBreakdownGrid({
+  rows,
+  empty,
+  country,
+  onPick,
+}: {
+  rows: FlowBreakdownRow[]
+  empty?: string
+  country?: boolean
+  onPick?: (row: FlowBreakdownRow) => void
+}) {
+  const columns = useMemo<ColumnDef<FlowBreakdownRow>[]>(
+    () => [
+      {
+        id: "label",
+        accessorKey: "label",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Имя</span>,
+        cell: ({ row }) => (
+          <div className="flex min-w-0 flex-col gap-1">
+            <span className="flex items-center gap-1.5 text-sm font-medium truncate">
+              {country ? <Flag code={row.original.id} /> : null}
+              {row.original.label}
+            </span>
+            <div className="h-1 rounded-full bg-muted overflow-hidden">
+              <div
+                className="h-full bg-primary"
+                style={{ width: `${Math.min(100, row.original.percent)}%` }}
+              />
+            </div>
+          </div>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD_FIRST, cellClassName: DATA_GRID_CELL_PAD_FIRST },
+      },
+      {
+        id: "share",
+        accessorKey: "percent",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Доля</span>,
+        cell: ({ row }) => (
+          <span className="text-xs tabular-nums">{row.original.percent.toFixed(1)}%</span>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "rate",
+        accessorFn: (r) => r.bps,
+        header: () => <span className="text-xs font-medium text-muted-foreground">Скорость</span>,
+        cell: ({ row }) => (
+          <span className="text-xs tabular-nums">{fmtRate(row.original.bps / 1_000_000)}</span>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "bytes",
+        accessorKey: "bytes",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Байты</span>,
+        cell: ({ row }) => (
+          <span className="text-xs tabular-nums">{formatBytes(row.original.bytes)}</span>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD_LAST, cellClassName: DATA_GRID_CELL_PAD_LAST },
+      },
+    ],
+    [country],
+  )
+
+  const table = useReactTable({
+    data: rows,
+    columns,
+    getCoreRowModel: getCoreRowModel(),
+    getRowId: (row) => row.id,
+  })
+
+  return (
+    <DataGridShell
+      table={table}
+      recordCount={rows.length}
+      emptyMessage={empty ?? "Нет данных за период"}
+      onRowClick={onPick}
+    />
+  )
+}
+
+function FlowPathsGrid({
+  rows,
+  empty,
+  onPick,
+}: {
+  rows: FlowPathRow[]
+  empty?: string
+  onPick?: (row: FlowPathRow) => void
+}) {
+  const columns = useMemo<ColumnDef<FlowPathRow>[]>(
+    () => [
+      {
+        id: "client",
+        accessorKey: "clientName",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Клиент</span>,
+        cell: ({ row }) => <span className="text-sm font-medium">{row.original.clientName}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD_FIRST, cellClassName: DATA_GRID_CELL_PAD_FIRST },
+      },
+      {
+        id: "ifaces",
+        accessorKey: "ifaces",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Ifaces</span>,
+        cell: ({ row }) => <span className="font-mono text-xs text-muted-foreground">{row.original.ifaces}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "jh",
+        accessorKey: "serverName",
+        header: () => <span className="text-xs font-medium text-muted-foreground">JH</span>,
+        cell: ({ row }) => <span className="text-xs">{row.original.serverName}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "in",
+        accessorKey: "inIface",
+        header: () => <span className="text-xs font-medium text-muted-foreground">In</span>,
+        cell: ({ row }) => <span className="font-mono text-xs">{row.original.inIface}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "en",
+        accessorKey: "enName",
+        header: () => <span className="text-xs font-medium text-muted-foreground">EN</span>,
+        cell: ({ row }) => <span className="text-xs">{row.original.enName || "—"}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "dst",
+        accessorKey: "dst",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Dest</span>,
+        cell: ({ row }) => (
+          <span className="flex min-w-0 flex-col gap-0.5 text-xs">
+            <span className="font-mono">{row.original.dst}</span>
+            <span className="text-[10px] text-muted-foreground truncate">
+              {[row.original.category, row.original.service].filter(Boolean).join(" · ")}
+            </span>
+          </span>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "rate",
+        accessorFn: (r) => r.bps,
+        header: () => <span className="text-xs font-medium text-muted-foreground">Скорость</span>,
+        cell: ({ row }) => <span className="text-xs tabular-nums">{fmtRate(row.original.bps / 1_000_000)}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "bytes",
+        accessorKey: "bytes",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Байты</span>,
+        cell: ({ row }) => <span className="text-xs tabular-nums">{formatBytes(row.original.bytes)}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD_LAST, cellClassName: DATA_GRID_CELL_PAD_LAST },
+      },
+    ],
+    [],
+  )
+
+  const table = useReactTable({
+    data: rows,
+    columns,
+    getCoreRowModel: getCoreRowModel(),
+    getRowId: (row) => row.id,
+  })
+
+  return (
+    <DataGridShell
+      table={table}
+      recordCount={rows.length}
+      emptyMessage={empty ?? "Нет путей"}
+      onRowClick={onPick}
+    />
+  )
+}
+
+export function FlowAnalyticsDetail({
+  card,
+  analytics,
+  range,
+  onRange,
+  selectedIface,
+  onIface,
+  dedup,
+  onDedup,
+  excludeMesh,
+  onExcludeMesh,
+  excludeOverlay,
+  onExcludeOverlay,
+  liveHint,
+  emptyHint,
+}: {
+  card: FlowEntityCard | null
+  analytics: FlowAnalyticsDto | null
+  range: string
+  onRange: (r: string) => void
+  selectedIface: string
+  onIface: (name: string) => void
+  dedup: boolean
+  onDedup: (value: boolean) => void
+  excludeMesh: boolean
+  onExcludeMesh: (value: boolean) => void
+  excludeOverlay: boolean
+  onExcludeOverlay: (value: boolean) => void
+  liveHint?: string
+  emptyHint?: string
+}) {
+  const [slice, setSlice] = useState("applications")
+  const [sessionFilter, setSessionFilter] = useState<SessionFilter | null>(null)
+  const rxNow = analytics ? analytics.bpsNow / 1_000_000 : (card?.rxNow ?? 0)
+  const bytes = analytics?.bytes ?? card?.bytes ?? 0
+  const sessionRows = (analytics?.conversationsList ?? []).filter((row) =>
+    sessionFilter ? talkerMatchesFilter(row, sessionFilter) : true,
+  )
+
+  function pickBreakdown(kind: SessionFilter["kind"], row: FlowBreakdownRow) {
+    setSessionFilter({ kind, value: row.id, label: row.label })
+    setSlice("sessions")
+  }
+
+  if (!card) {
+    return (
+      <p className="text-sm text-muted-foreground py-8 text-center">
+        Выберите сервер или клиента слева
+      </p>
+    )
+  }
+
+  return (
+    <>
+      <div className="flex items-start justify-between mb-3 gap-3">
+        <div className="flex items-center gap-2 flex-wrap min-w-0">
+          <StatusDot status={card.status} />
+          <h2 className="text-base font-semibold truncate">{card.name}</h2>
+          <span className="text-xs font-mono bg-muted px-1.5 py-0.5 rounded flex items-center gap-1">
+            {card.country !== "UN" ? <Flag code={card.country} /> : null}
+            {card.site}
+          </span>
+        </div>
+        <div className="flex items-center gap-3 shrink-0">
+          <div className="flex items-center gap-2">
+            <Switch
+              id="flow-dedup"
+              checked={dedup}
+              onCheckedChange={onDedup}
+            />
+            <Label htmlFor="flow-dedup" className="text-xs text-muted-foreground whitespace-nowrap">
+              Без дублей
+            </Label>
+          </div>
+          <div className="flex items-center gap-2">
+            <Switch
+              id="flow-exclude-overlay"
+              checked={excludeOverlay}
+              onCheckedChange={onExcludeOverlay}
+            />
+            <Label htmlFor="flow-exclude-overlay" className="text-xs text-muted-foreground whitespace-nowrap">
+              Без overlay
+            </Label>
+          </div>
+          <div className="flex items-center gap-2">
+            <Switch
+              id="flow-exclude-mesh"
+              checked={excludeMesh}
+              onCheckedChange={onExcludeMesh}
+            />
+            <Label htmlFor="flow-exclude-mesh" className="text-xs text-muted-foreground whitespace-nowrap">
+              Без mesh
+            </Label>
+          </div>
+          <div className="flex gap-1">
+            {RANGE_KEYS.map((r) => (
+              <button
+                key={r}
+                type="button"
+                onClick={() => onRange(r)}
+                className={cn(
+                  "h-7 px-2 text-xs rounded border transition-colors",
+                  range === r
+                    ? "border-primary bg-primary/10 text-primary font-medium"
+                    : "border-border text-muted-foreground hover:text-foreground",
+                )}
+              >
+                {RANGE_LABELS[r]}
+              </button>
+            ))}
+          </div>
+        </div>
+      </div>
+
+      {analytics?.ifaces && analytics.ifaces.length > 0 ? (
+        <div className="mb-3 pb-3 border-b">
+          <div className="flex items-center gap-2 flex-wrap">
+            <span className="text-[11px] text-muted-foreground mr-1">Интерфейс:</span>
+            <button
+              type="button"
+              onClick={() => onIface("__all__")}
+              className={cn(
+                "inline-flex items-center gap-1 rounded-full border px-2.5 py-0.5 text-[10px] font-medium transition-all",
+                selectedIface === "__all__"
+                  ? "bg-foreground text-background border-foreground"
+                  : "border-border text-muted-foreground hover:text-foreground hover:border-foreground/40",
+              )}
+            >
+              Все
+            </button>
+            {analytics.ifaces.map((iface) => {
+              const active = selectedIface === iface.name
+              return (
+                <button
+                  key={`${iface.name}:${iface.index}`}
+                  type="button"
+                  onClick={() => onIface(iface.name)}
+                  className={cn(
+                    "inline-flex items-center gap-1.5 rounded-full border px-2.5 py-0.5 text-[10px] font-medium transition-all",
+                    active
+                      ? "bg-foreground text-background border-foreground"
+                      : "border-border text-muted-foreground hover:text-foreground hover:border-foreground/40",
+                  )}
+                >
+                  {iface.name}
+                </button>
+              )
+            })}
+          </div>
+          <p className="text-[10px] text-muted-foreground mt-1.5">по iface, без дедупа</p>
+        </div>
+      ) : null}
+
+      <TrafficRxTxChart
+        rx={analytics?.rxSeries ?? card.rxSeries}
+        tx={analytics?.txSeries ?? card.txSeries}
+        range={range}
+      />
+
+      <div className="mt-4 pt-4 border-t">
+        <KpiStatGrid
+          aria-label="Скорость потоков"
+          items={([
+            {
+              id: "bps-now",
+              label: "Скорость сейчас",
+              value: fmtRate(rxNow),
+              hint: liveHint,
+              icon: <ArrowDownIcon className="size-4" />,
+              iconClassName: "text-success",
+            },
+            {
+              id: "bytes",
+              label: "Payload",
+              value: formatBytes(bytes),
+              hint: "inner IPFIX",
+              icon: <ArrowUpIcon className="size-4" />,
+              iconClassName: "text-info",
+            },
+            {
+              id: "overlay",
+              label: "JH↔EN overlay",
+              value: fmtRate((analytics?.bpsOverlay ?? 0) / 1_000_000),
+              hint: analytics?.bytesOverlay ? formatBytes(analytics.bytesOverlay) : undefined,
+              icon: <ShieldIcon className="size-4" />,
+              iconClassName: "text-warning",
+            },
+            {
+              id: "wire",
+              label: "Wire GRE",
+              value: fmtRate((analytics?.bpsWire ?? 0) / 1_000_000),
+              hint: "счётчик iface",
+              icon: <RouteIcon className="size-4" />,
+              iconClassName: "text-primary",
+            },
+            ...(!excludeMesh
+              ? [{
+                  id: "mesh",
+                  label: "Mesh",
+                  value: formatBytes(analytics?.bytesMesh ?? 0),
+                  hint: "клиент↔клиент",
+                  icon: <NetworkIcon className="size-4" />,
+                  iconClassName: "text-muted-foreground",
+                }]
+              : []),
+            {
+              id: "flows",
+              label: "Сессии",
+              value: String(analytics?.conversations ?? card.sessions),
+              hint: analytics?.conversationsRaw != null && analytics.conversationsRaw !== analytics.conversations
+                ? `до дедупа ${analytics.conversationsRaw}`
+                : undefined,
+              icon: <GitBranchIcon className="size-4" />,
+              iconClassName: "text-warning",
+            },
+            {
+              id: "uniq",
+              label: "Уник. src / dst",
+              value: `${analytics?.uniqueSrc ?? 0} / ${analytics?.uniqueDst ?? 0}`,
+              icon: <UsersIcon className="size-4" />,
+              iconClassName: "text-muted-foreground",
+            },
+            {
+              id: "category",
+              label: "Топ категория",
+              value: analytics?.topCategory ?? "—",
+              icon: <LayersIcon className="size-4" />,
+              iconClassName: "text-primary",
+            },
+          ] satisfies KpiStatItem[])}
+        />
+      </div>
+
+      <div className="mt-4 pt-4 border-t flex flex-col gap-3">
+        <div className="flex items-center justify-between gap-2">
+          <p className="text-xs text-muted-foreground">Аналитика потребления</p>
+          {analytics?.live ? <Badge variant="success-light" size="sm">live</Badge> : null}
+        </div>
+        <Tabs value={slice} onValueChange={(v) => setSlice(String(v))} className="gap-3">
+          <TabsList variant="line" className="flex flex-wrap h-auto">
+            <TabsTrigger value="applications">Приложения</TabsTrigger>
+            <TabsTrigger value="categories">Категории</TabsTrigger>
+            <TabsTrigger value="services">Сервисы</TabsTrigger>
+            <TabsTrigger value="asns">ASN</TabsTrigger>
+            <TabsTrigger value="countries">Страны</TabsTrigger>
+            <TabsTrigger value="map">Карта</TabsTrigger>
+            <TabsTrigger value="protocols">Протоколы</TabsTrigger>
+            <TabsTrigger value="sources">Источники</TabsTrigger>
+            <TabsTrigger value="destinations">Назначения</TabsTrigger>
+            <TabsTrigger value="paths">Пути</TabsTrigger>
+            <TabsTrigger value="sessions">Сессии</TabsTrigger>
+            <TabsTrigger value="interfaces">Интерфейсы</TabsTrigger>
+          </TabsList>
+          <TabsContent value="applications">
+            <FlowBreakdownGrid rows={analytics?.applications ?? []} onPick={(row) => pickBreakdown("application", row)} />
+          </TabsContent>
+          <TabsContent value="categories">
+            <FlowBreakdownGrid rows={analytics?.categories ?? []} onPick={(row) => pickBreakdown("category", row)} />
+          </TabsContent>
+          <TabsContent value="services">
+            <FlowBreakdownGrid rows={analytics?.services ?? []} onPick={(row) => pickBreakdown("service", row)} />
+          </TabsContent>
+          <TabsContent value="asns">
+            <FlowBreakdownGrid rows={analytics?.asns ?? []} onPick={(row) => pickBreakdown("asn", row)} />
+          </TabsContent>
+          <TabsContent value="countries">
+            <FlowBreakdownGrid rows={analytics?.countries ?? []} country onPick={(row) => pickBreakdown("country", row)} />
+          </TabsContent>
+          <TabsContent value="map">
+            <FlowTrafficMap
+              edges={analytics?.mapEdges ?? []}
+              onSelectCountry={(iso) => {
+                setSessionFilter({ kind: "country", value: iso, label: iso })
+                setSlice("sessions")
+              }}
+            />
+          </TabsContent>
+          <TabsContent value="protocols">
+            <FlowBreakdownGrid rows={analytics?.protocols ?? []} onPick={(row) => pickBreakdown("protocol", row)} />
+          </TabsContent>
+          <TabsContent value="sources">
+            <FlowBreakdownGrid rows={analytics?.sources ?? []} onPick={(row) => pickBreakdown("source", row)} />
+          </TabsContent>
+          <TabsContent value="destinations">
+            <FlowBreakdownGrid rows={analytics?.destinations ?? []} onPick={(row) => pickBreakdown("destination", row)} />
+          </TabsContent>
+          <TabsContent value="paths">
+            <FlowPathsGrid
+              rows={analytics?.paths ?? []}
+              empty="Нет путей за период"
+              onPick={(row) => {
+                setSessionFilter({
+                  kind: "client",
+                  value: row.clientId,
+                  label: `${row.clientName} → ${row.enName || row.dst}`,
+                })
+                setSlice("sessions")
+              }}
+            />
+          </TabsContent>
+          <TabsContent value="sessions">
+            {sessionFilter ? (
+              <div className="flex items-center gap-2 mb-2">
+                <GlobeIcon className="size-3.5 text-muted-foreground" />
+                <Badge variant="secondary" size="sm">Фильтр: {sessionFilter.label}</Badge>
+                <button
+                  type="button"
+                  className="text-xs text-primary"
+                  onClick={() => setSessionFilter(null)}
+                >
+                  сбросить
+                </button>
+              </div>
+            ) : null}
+            <TrafficFlowsDataGrid
+              rows={sessionRows}
+              emptyHint={emptyHint ?? "Нет сессий по выбранному фильтру"}
+            />
+          </TabsContent>
+          <TabsContent value="interfaces">
+            <FlowBreakdownGrid
+              rows={analytics?.interfaces ?? []}
+              empty="Нет данных по интерфейсам"
+              onPick={(row) => pickBreakdown("iface", row)}
+            />
+          </TabsContent>
+        </Tabs>
+      </div>
+    </>
+  )
+}

components/traffic/flow-traffic-map.tsx

@@ -0,0 +1,191 @@
+"use client"
+
+import { useMemo, useState } from "react"
+import { type ColumnDef, getCoreRowModel, useReactTable } from "@tanstack/react-table"
+import type { FlowMapEdge } from "@mmapp/contracts/traffic-flow"
+import { Frame, FramePanel } from "@/components/reui/frame"
+import { DataGridShell } from "@/components/data-grids/shared/data-grid-shell"
+import {
+  DATA_GRID_CELL_PAD,
+  DATA_GRID_CELL_PAD_FIRST,
+  DATA_GRID_CELL_PAD_LAST,
+} from "@/components/data-grids/shared/data-grid-layout"
+import { Flag } from "@/components/flag"
+import { fmtRate } from "@/lib/fmt-rate"
+
+const W = 640
+const H = 280
+const STROKES = [
+  "var(--chart-1)",
+  "var(--chart-2)",
+  "var(--chart-3)",
+  "var(--color-success)",
+  "var(--chart-5)",
+]
+
+function formatBytes(n: number): string {
+  if (n >= 1_000_000_000) return `${(n / 1_000_000_000).toFixed(2)} ГБ`
+  if (n >= 1_000_000) return `${(n / 1_000_000).toFixed(1)} МБ`
+  if (n >= 1000) return `${(n / 1000).toFixed(1)} КБ`
+  return `${n} Б`
+}
+
+function FlowTrafficMap({
+  edges,
+  onSelectCountry,
+}: {
+  edges: FlowMapEdge[]
+  onSelectCountry?: (country: string) => void
+}) {
+  const [hover, setHover] = useState<string | null>(null)
+
+  const layout = useMemo(() => {
+    const sources = [...new Map(edges.map((e) => [e.fromId, e])).values()]
+    const dests = [...new Map(edges.map((e) => [e.toCountry, e])).values()]
+    const srcY = (i: number) => sources.length <= 1 ? H / 2 : 36 + (i * (H - 72)) / Math.max(1, sources.length - 1)
+    const dstY = (i: number) => dests.length <= 1 ? H / 2 : 36 + (i * (H - 72)) / Math.max(1, dests.length - 1)
+    const srcPos = new Map(sources.map((s, i) => [s.fromId, { x: 88, y: srcY(i), label: s.fromLabel, country: s.fromCountry }]))
+    const dstPos = new Map(dests.map((d, i) => [d.toCountry, { x: 552, y: dstY(i), country: d.toCountry }]))
+    const maxBytes = Math.max(...edges.map((e) => e.bytes), 1)
+    return { srcPos, dstPos, maxBytes }
+  }, [edges])
+
+  const columns = useMemo<ColumnDef<FlowMapEdge>[]>(
+    () => [
+      {
+        id: "from",
+        accessorKey: "fromLabel",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Источник</span>,
+        cell: ({ row }) => (
+          <span className="flex items-center gap-1.5 text-sm">
+            {row.original.fromCountry && row.original.fromCountry !== "UN"
+              ? <Flag code={row.original.fromCountry} />
+              : null}
+            {row.original.fromLabel}
+          </span>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD_FIRST, cellClassName: DATA_GRID_CELL_PAD_FIRST },
+      },
+      {
+        id: "to",
+        accessorKey: "toCountry",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Назначение</span>,
+        cell: ({ row }) => (
+          <span className="flex items-center gap-1.5 text-sm">
+            {/^[a-z]{2}$/i.test(row.original.toCountry)
+              ? <Flag code={row.original.toCountry} />
+              : null}
+            {row.original.toCountry}
+            {row.original.toAsn ? <span className="font-mono text-[10px] text-muted-foreground">AS{row.original.toAsn}</span> : null}
+          </span>
+        ),
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "cat",
+        accessorKey: "category",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Категория</span>,
+        cell: ({ row }) => <span className="text-xs">{row.original.category}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "rate",
+        accessorFn: (r) => r.bps,
+        header: () => <span className="text-xs font-medium text-muted-foreground">Скорость</span>,
+        cell: ({ row }) => <span className="text-xs tabular-nums">{fmtRate(row.original.bps / 1_000_000)}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD, cellClassName: DATA_GRID_CELL_PAD },
+      },
+      {
+        id: "bytes",
+        accessorKey: "bytes",
+        header: () => <span className="text-xs font-medium text-muted-foreground">Байты</span>,
+        cell: ({ row }) => <span className="text-xs tabular-nums">{formatBytes(row.original.bytes)}</span>,
+        meta: { headerClassName: DATA_GRID_CELL_PAD_LAST, cellClassName: DATA_GRID_CELL_PAD_LAST },
+      },
+    ],
+    [],
+  )
+
+  const table = useReactTable({
+    data: edges,
+    columns,
+    getCoreRowModel: getCoreRowModel(),
+    getRowId: (row, i) => `${row.fromId}-${row.toCountry}-${i}`,
+  })
+
+  if (!edges.length) {
+    return (
+      <p className="text-sm text-muted-foreground py-8 text-center">
+        Страны подтянутся из кэша RIPEstat
+      </p>
+    )
+  }
+
+  return (
+    <div className="flex flex-col gap-3">
+      <Frame>
+        <FramePanel className="p-3">
+          <svg viewBox={`0 0 ${W} ${H}`} className="w-full h-[220px]" role="img" aria-label="Карта потоков откуда куда">
+            {edges.map((e, i) => {
+              const from = layout.srcPos.get(e.fromId)
+              const to = layout.dstPos.get(e.toCountry)
+              if (!from || !to) return null
+              const id = `${e.fromId}-${e.toCountry}`
+              const midX = (from.x + to.x) / 2
+              const d = `M ${from.x} ${from.y} C ${midX} ${from.y}, ${midX} ${to.y}, ${to.x} ${to.y}`
+              const sw = 1.25 + 7 * (e.bytes / layout.maxBytes)
+              const active = hover === id
+              return (
+                <path
+                  key={id}
+                  d={d}
+                  fill="none"
+                  stroke={STROKES[i % STROKES.length]}
+                  strokeWidth={active ? sw + 1.5 : sw}
+                  strokeOpacity={active ? 1 : 0.72}
+                  className="cursor-pointer"
+                  onMouseEnter={() => setHover(id)}
+                  onMouseLeave={() => setHover(null)}
+                  onClick={() => onSelectCountry?.(e.toCountry)}
+                >
+                  <title>
+                    {`${e.fromLabel} → ${e.toCountry} · ${e.category} · ${formatBytes(e.bytes)}`}
+                  </title>
+                </path>
+              )
+            })}
+            {[...layout.srcPos.values()].map((n) => (
+              <g key={`s-${n.label}`}>
+                <circle cx={n.x} cy={n.y} r="7" className="fill-primary" />
+                <text x={n.x - 14} y={n.y + 4} textAnchor="end" className="fill-foreground text-[11px]">
+                  {n.label}
+                </text>
+              </g>
+            ))}
+            {[...layout.dstPos.values()].map((n) => (
+              <g key={`d-${n.country}`}>
+                <circle cx={n.x} cy={n.y} r="7" className="fill-chart-2" />
+                <text x={n.x + 14} y={n.y + 4} className="fill-foreground text-[11px]">
+                  {n.country}
+                </text>
+              </g>
+            ))}
+          </svg>
+          {hover ? (
+            <p className="text-[11px] text-muted-foreground mt-1">
+              Нажмите дугу, чтобы отфильтровать сессии по стране назначения
+            </p>
+          ) : null}
+        </FramePanel>
+      </Frame>
+      <DataGridShell
+        table={table}
+        recordCount={edges.length}
+        emptyMessage="Нет рёбер с известной страной"
+        onRowClick={(row) => onSelectCountry?.(row.toCountry)}
+      />
+    </div>
+  )
+}
+
+export { FlowTrafficMap }

components/traffic/netflow-purge-dialog.tsx

@@ -0,0 +1,72 @@
+"use client"
+
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogMedia,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog"
+import type { FlowPurgeDto } from "@mmapp/contracts/traffic-flow"
+import { AlertCircleIcon, LoaderCircleIcon } from "lucide-react"
+
+function formatDbFileBytes(n: number): string {
+  if (n < 1024) return `${n} Б`
+  if (n < 1024 * 1024) return `${(n / 1024).toFixed(1)} КБ`
+  return `${(n / (1024 * 1024)).toFixed(1)} МБ`
+}
+
+export function formatFlowPurgeResult(result: FlowPurgeDto): string {
+  const rows =
+    result.deleted.buckets +
+    result.deleted.minuteStats +
+    result.deleted.minuteDims +
+    result.deleted.dailyDims
+  const vacuumHint = result.vacuumed ? "" : " VACUUM не выполнен."
+  return `Удалено строк: ${rows}. Файл ${formatDbFileBytes(result.fileBytesBefore)} → ${formatDbFileBytes(result.fileBytesAfter)}.${vacuumHint}`
+}
+
+export function NetflowPurgeConfirm({
+  open,
+  busy,
+  onConfirm,
+  onCancel,
+}: {
+  open: boolean
+  busy?: boolean
+  onConfirm: () => void
+  onCancel: () => void
+}) {
+  return (
+    <AlertDialog open={open} onOpenChange={(v) => { if (!v && !busy) onCancel() }}>
+      <AlertDialogContent size="default">
+        <AlertDialogHeader>
+          <AlertDialogMedia className="bg-destructive/10 text-destructive">
+            <AlertCircleIcon />
+          </AlertDialogMedia>
+          <AlertDialogTitle>Сбросить данные NetFlow?</AlertDialogTitle>
+          <AlertDialogDescription>
+            Будут удалены сессии и агрегаты (minute/daily) из SQLite, затем VACUUM.
+            Ключи WireGuard, пиры JH, настройки коллектора и кэш RIPE сохранятся.
+            На время операции приём IPFIX остановится.
+          </AlertDialogDescription>
+        </AlertDialogHeader>
+        <AlertDialogFooter>
+          <AlertDialogCancel disabled={busy} onClick={onCancel}>Отмена</AlertDialogCancel>
+          <AlertDialogAction
+            variant="destructive"
+            disabled={busy}
+            onClick={onConfirm}
+          >
+            {busy ? <LoaderCircleIcon className="size-4 animate-spin" /> : null}
+            {busy ? "Сброс…" : "Сбросить"}
+          </AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+  )
+}

components/traffic/netflow-settings-panel.tsx

@@ -14,8 +14,10 @@ import {
   generateTrafficFlowKeys,
   getTrafficFlowHostFiles,
   getTrafficFlowSettings,
+  purgeTrafficFlowData,
   putTrafficFlowSettings,
 } from "@/shared/api/traffic-flow"
+import { formatFlowPurgeResult, NetflowPurgeConfirm } from "@/components/traffic/netflow-purge-dialog"
 import { KeyRoundIcon, DownloadIcon, InfoIcon } from "lucide-react"
 
 const HOST_STEPS = [
@@ -45,7 +47,11 @@ function NetflowSettingsPanel({
   const [endpoint, setEndpoint] = useState("")
   const [retention, setRetention] = useState("24")
   const [topN, setTopN] = useState("200")
+  const [shareOn, setShareOn] = useState(true)
+  const [sharePct, setSharePct] = useState("5")
   const [ingestOn, setIngestOn] = useState(false)
+  const [purgeOpen, setPurgeOpen] = useState(false)
+  const [purgeBusy, setPurgeBusy] = useState(false)
 
   const load = useCallback(async () => {
     if (!enabled) return
@@ -58,6 +64,9 @@ function NetflowSettingsPanel({
     setEndpoint(s.publicEndpoint)
     setRetention(String(s.retentionHours))
     setTopN(String(s.topN))
+    const pct = Number(s.mapServiceMinSharePct ?? 5)
+    setShareOn(pct > 0)
+    setSharePct(String(pct > 0 ? pct : 5))
     setIngestOn(s.enabled)
   }, [backendUrl, enabled])
 
@@ -79,6 +88,9 @@ function NetflowSettingsPanel({
         publicEndpoint: endpoint,
         retentionHours: Number.parseInt(retention, 10) || 24,
         topN: Number.parseInt(topN, 10) || 200,
+        mapServiceMinSharePct: shareOn
+          ? Math.min(100, Math.max(1, Number.parseFloat(sharePct) || 5))
+          : 0,
       })
       setSettings(res.settings)
       toast.success("Настройки NetFlow сохранены")
@@ -102,6 +114,20 @@ function NetflowSettingsPanel({
     }
   }
 
+  async function handlePurgeConfirm() {
+    setPurgeBusy(true)
+    try {
+      const result = await purgeTrafficFlowData(backendUrl)
+      toast.success(formatFlowPurgeResult(result))
+      setPurgeOpen(false)
+      await load()
+    } catch (e) {
+      toast.error(e instanceof Error ? e.message : "Не удалось сбросить NetFlow")
+    } finally {
+      setPurgeBusy(false)
+    }
+  }
+
   async function handleExport() {
     setBusy(true)
     try {
@@ -175,6 +201,29 @@ function NetflowSettingsPanel({
           <FormField label="Top-N разговоров">
             <Input value={topN} onChange={(e) => setTopN(e.target.value)} inputMode="numeric" />
           </FormField>
+          <div className="sm:col-span-2 flex flex-col gap-2">
+            <div className="flex items-center gap-3">
+              <FormToggle
+                checked={shareOn}
+                onChange={(on) => {
+                  setShareOn(on)
+                  if (on && (!sharePct || sharePct === "0")) setSharePct("5")
+                }}
+              />
+              <span className="text-sm">Порог доли на карте</span>
+            </div>
+            <FormField
+              label="Минимум % окна"
+              hint="Узел сервиса, если доля байт окна ≥ N%. Выключить — показать все распознанные бренды (макс. 20)"
+            >
+              <Input
+                value={sharePct}
+                onChange={(e) => setSharePct(e.target.value)}
+                inputMode="decimal"
+                disabled={!shareOn}
+              />
+            </FormField>
+          </div>
         </div>
 
         <p className="text-xs text-muted-foreground">
@@ -196,18 +245,35 @@ function NetflowSettingsPanel({
         </div>
 
         <div className="flex flex-wrap gap-2">
-          <Button size="sm" disabled={busy} onClick={() => { void handleSave() }}>
+          <Button size="sm" disabled={busy || purgeBusy} onClick={() => { void handleSave() }}>
             Сохранить NetFlow
           </Button>
-          <Button size="sm" variant="outline" disabled={busy} onClick={() => { void handleKeys() }}>
+          <Button size="sm" variant="outline" disabled={busy || purgeBusy} onClick={() => { void handleKeys() }}>
             <KeyRoundIcon className="size-4" />
             Ключи хоста
           </Button>
-          <Button size="sm" variant="outline" disabled={busy} onClick={() => { void handleExport() }}>
+          <Button size="sm" variant="outline" disabled={busy || purgeBusy} onClick={() => { void handleExport() }}>
             <DownloadIcon className="size-4" />
             wg-quick / compose / firewall
           </Button>
         </div>
+
+        <div className="flex items-center justify-between gap-4 rounded-md border border-destructive/30 px-4 py-3">
+          <div className="min-w-0">
+            <p className="text-sm font-medium">Сбросить данные NetFlow</p>
+            <p className="text-xs text-muted-foreground mt-0.5">
+              Удалит сессии и агрегаты из SQLite, затем VACUUM. Ключи WG и пиры не трогает.
+            </p>
+          </div>
+          <Button
+            size="sm"
+            variant="destructive"
+            disabled={busy || purgeBusy}
+            onClick={() => setPurgeOpen(true)}
+          >
+            Сбросить
+          </Button>
+        </div>
       </OpsPanel>
 
       <CodeExportSheet
@@ -217,6 +283,13 @@ function NetflowSettingsPanel({
         description="wg-quick, фрагмент compose и firewall. Хост, не контейнер backend."
         formats={formats}
       />
+
+      <NetflowPurgeConfirm
+        open={purgeOpen}
+        busy={purgeBusy}
+        onConfirm={() => { void handlePurgeConfirm() }}
+        onCancel={() => { if (!purgeBusy) setPurgeOpen(false) }}
+      />
     </>
   )
 }

hooks/use-flow-live.ts

@@ -0,0 +1,97 @@
+"use client"
+
+import { useEffect, useState } from "react"
+import type { FlowAnalyticsDto } from "@mmapp/contracts/traffic-flow"
+import { resolveApiUrl, withAuthHeaders } from "@/shared/api/http-client"
+import { flowQuery } from "@/shared/api/traffic-flow"
+
+function parseSseBlock(block: string): { event: string; data: string } {
+  let event = "message"
+  const dataLines: string[] = []
+  for (const line of block.split("\n")) {
+    if (line.startsWith("event:")) event = line.slice(6).trim()
+    else if (line.startsWith("data:")) dataLines.push(line.slice(5).trim())
+  }
+  return { event, data: dataLines.join("\n") }
+}
+
+export function useFlowLive(opts: {
+  enabled: boolean
+  backendUrl: string
+  range: string
+  serverId?: string
+  userId?: string
+  iface?: string
+  dedup?: boolean
+  excludeMesh?: boolean
+  excludeOverlay?: boolean
+}): { sample: FlowAnalyticsDto | null; error: string | null } {
+  const [sample, setSample] = useState<FlowAnalyticsDto | null>(null)
+  const [error, setError] = useState<string | null>(null)
+
+  useEffect(() => {
+    if (!opts.enabled) {
+      setSample(null)
+      setError(null)
+      return
+    }
+
+    const ac = new AbortController()
+    setSample(null)
+    setError(null)
+    const path = `/api/traffic/flow/live${flowQuery({
+      range: opts.range,
+      serverId: opts.serverId,
+      userId: opts.userId,
+      iface: opts.iface,
+      dedup: opts.dedup,
+      excludeMesh: opts.excludeMesh,
+      excludeOverlay: opts.excludeOverlay,
+    })}`
+    const url = resolveApiUrl(opts.backendUrl, path)
+
+    let buf = ""
+
+    void (async () => {
+      try {
+        const res = await fetch(url, {
+          headers: withAuthHeaders({ Accept: "text/event-stream" }),
+          signal: ac.signal,
+          credentials: "include",
+        })
+        if (!res.ok || !res.body) {
+          setError(`live HTTP ${res.status}`)
+          return
+        }
+        const reader = res.body.getReader()
+        const decoder = new TextDecoder()
+        while (!ac.signal.aborted) {
+          const { done, value } = await reader.read()
+          if (done) break
+          buf += decoder.decode(value, { stream: true })
+          const parts = buf.split("\n\n")
+          buf = parts.pop() ?? ""
+          for (const raw of parts) {
+            if (!raw.trim() || raw.trim().startsWith(":")) continue
+            const ev = parseSseBlock(raw)
+            if (ev.event === "sample" && ev.data) {
+              const parsed = JSON.parse(ev.data) as FlowAnalyticsDto
+              setSample(parsed)
+              setError(parsed.degraded ? "Коллектор перегружен: упрощённая аналитика" : null)
+            } else if (ev.event === "error" && ev.data) {
+              const parsed = JSON.parse(ev.data) as { error?: string }
+              setError(parsed.error ?? "live error")
+            }
+          }
+        }
+      } catch (e) {
+        if (ac.signal.aborted) return
+        setError(e instanceof Error ? e.message : "live error")
+      }
+    })()
+
+    return () => ac.abort()
+  }, [opts.enabled, opts.backendUrl, opts.range, opts.serverId, opts.userId, opts.iface, opts.dedup, opts.excludeMesh, opts.excludeOverlay])
+
+  return { sample, error }
+}

lib/map-netflow-hops.ts

@@ -0,0 +1,103 @@
+import type { FlowMapHop } from "@mmapp/contracts/traffic-flow"
+import { fmtRate } from "@/lib/fmt-rate"
+
+export interface MatchedNetflowHop {
+  bps: number
+  bpsFwd: number
+  bpsRev: number
+  bytes: number
+}
+
+function ifaceNorm(s: string | undefined): string {
+  return (s ?? "").trim().toLowerCase()
+}
+
+function pairKey(a: string, b: string): string {
+  const x = String(a)
+  const y = String(b)
+  return x <= y ? `${x}\t${y}` : `${y}\t${x}`
+}
+
+function mergeDirected(hops: FlowMapHop[], mapFromId: string): MatchedNetflowHop {
+  let bytes = 0
+  let bpsFwd = 0
+  let bpsRev = 0
+  const from = String(mapFromId)
+  for (const h of hops) {
+    bytes += h.bytes
+    if (h.fromId === from) {
+      bpsFwd += h.bpsFwd
+      bpsRev += h.bpsRev
+    } else {
+      bpsFwd += h.bpsRev
+      bpsRev += h.bpsFwd
+    }
+  }
+  return { bytes, bpsFwd, bpsRev, bps: bpsFwd + bpsRev }
+}
+
+export function hopHasRate(h: MatchedNetflowHop | undefined): h is MatchedNetflowHop {
+  return h != null && Number.isFinite(h.bps) && h.bps > 0
+}
+
+export function formatNetflowRate(hop: MatchedNetflowHop): string {
+  return fmtRate(hop.bps / 1_000_000)
+}
+
+export function formatNetflowDir(hop: MatchedNetflowHop): string {
+  return `↓${fmtRate(hop.bpsFwd / 1_000_000)} ↑${fmtRate(hop.bpsRev / 1_000_000)}`
+}
+
+/** GRE: сначала имя интерфейса туннеля на любом конце, иначе пара узлов. */
+export function matchNetflowForGreEdge(
+  edge: {
+    tunnel: { name: string }
+    fromServer: { id: string }
+    toServer: { id: string }
+  },
+  hops: FlowMapHop[],
+): MatchedNetflowHop | undefined {
+  const name = ifaceNorm(edge.tunnel.name)
+  const fromId = String(edge.fromServer.id)
+  const toId = String(edge.toServer.id)
+  if (name) {
+    const ifaceHits = hops.filter((h) =>
+      h.kind === "iface"
+      && ifaceNorm(h.iface) === name
+      && (h.fromId === fromId || h.fromId === toId),
+    )
+    if (ifaceHits.length) return mergeDirected(ifaceHits, fromId)
+    const greNamed = hops.filter((h) =>
+      h.kind === "gre"
+      && ifaceNorm(h.iface) === name
+      && (h.fromId === fromId || h.fromId === toId || h.toId === fromId || h.toId === toId),
+    )
+    if (greNamed.length) return mergeDirected(greNamed, fromId)
+  }
+  const want = pairKey(fromId, toId)
+  const pairHits = hops.filter((h) =>
+    h.kind === "gre" && Boolean(h.toId) && pairKey(h.fromId, h.toId) === want,
+  )
+  if (pairHits.length) return mergeDirected(pairHits, fromId)
+  return undefined
+}
+
+/** WAN-аплинк HR: kind wan, иначе iface с тем же именем на homeId. */
+export function matchNetflowForWan(
+  homeId: string,
+  wanIface: string,
+  hops: FlowMapHop[],
+): MatchedNetflowHop | undefined {
+  const id = String(homeId)
+  const iface = ifaceNorm(wanIface)
+  if (!iface) return undefined
+  const wanHits = hops.filter((h) =>
+    h.kind === "wan" && h.fromId === id && ifaceNorm(h.iface) === iface,
+  )
+  if (wanHits.length) return mergeDirected(wanHits, id)
+  const ifaceHits = hops.filter((h) =>
+    h.kind === "iface" && h.fromId === id && ifaceNorm(h.iface) === iface,
+  )
+  if (ifaceHits.length) return mergeDirected(ifaceHits, id)
+  return undefined
+}

lib/network-map-layout.ts

@@ -35,9 +35,14 @@ export function greTunnelProbe(t: GreTunnel): TunnelProbe {
   }
 }
 
-const W = 1060
+const W = 1240
 const H = 580
 const MARGIN = 72
+const SERVICE_COL_W = 150
+
+/** Карточка конечного сервиса на карте (центр = позиция узла). */
+export const MAP_SERVICE_NODE_W = 86
+export const MAP_SERVICE_NODE_H = 58
 
 /** Одна горизонтальная «полка» на карте: Home → JH → Exit слева направо. */
 export const NETWORK_MAP_PIPELINE_Y = 300
@@ -68,7 +73,9 @@ function layerOfServer(s: Server): number | null {
  * Увеличивать при изменении алгоритма раскладки спутников/узлов.
  * Страница карты сбрасывает сохранённые перетаскивания при смене значения (в т.ч. после hot reload).
  */
-export const NETWORK_MAP_LAYOUT_REVISION = 6
+export const NETWORK_MAP_W = W
+export const NETWORK_MAP_H = H
+export const NETWORK_MAP_LAYOUT_REVISION = 7
 
 export interface WanJhEdge {
   homeId: string
@@ -254,7 +261,7 @@ export function computeNetworkMapLayout(
   const nodePos: Record<string, { x: number; y: number }> = {}
   const wanSatPos: Record<string, { x: number; y: number }[]> = {}
 
-  const span = W - 2 * MARGIN
+  const span = W - 2 * MARGIN - SERVICE_COL_W
   const laneGap = Math.min(44, span * 0.04)
   const laneW = (span - 2 * laneGap) / 3
 
@@ -425,6 +432,28 @@ export function computeNetworkMapLayout(
   return { nodePos, wanSatPos }
 }
 
+/** Колонка конечных сервисов справа от EN. */
+export function placeServiceNodes(
+  serviceIds: string[],
+  enPositions: Array<{ x: number; y: number }>,
+): Record<string, { x: number; y: number }> {
+  const out: Record<string, { x: number; y: number }> = {}
+  if (serviceIds.length === 0) return out
+  const minY = MARGIN + 70
+  const maxY = H - 72
+  const x = W - MARGIN - SERVICE_COL_W / 2
+  const enYs = enPositions.map((p) => p.y).filter((y) => Number.isFinite(y))
+  const centerY = enYs.length ? enYs.reduce((a, b) => a + b, 0) / enYs.length : (minY + maxY) / 2
+  const n = serviceIds.length
+  const gap = Math.min(96, (maxY - minY) / Math.max(1, n))
+  const span = gap * (n - 1)
+  const start = clamp(centerY - span / 2, minY, maxY - span)
+  serviceIds.forEach((id, i) => {
+    out[id] = { x, y: n === 1 ? clamp(centerY, minY, maxY) : start + i * gap }
+  })
+  return out
+}
+
 /**
  * Суммарная задержка «дом → JH» в миллисекундах: те же поля `Server.latency`, что показываются в разделе Серверы.
  * Отдельного ICMP по ребру нет — это не замер линии, а сумма каталожных latency концов.
@@ -803,3 +832,42 @@ export function buildGreMapEdges(
   }
   return out
 }
+
+/**
+ * Обрезать отрезок центр круга → центр прямоугольника по ободу круга и AABB карточки.
+ * Пунктир EN→сервис визуально упирается в край, как GRE под кругами узлов.
+ */
+export function clipSegmentCircleToRect(
+  x1: number,
+  y1: number,
+  r: number,
+  x2: number,
+  y2: number,
+  hw: number,
+  hh: number,
+  pad = 1.5,
+): { x1: number; y1: number; x2: number; y2: number } {
+  const dx = x2 - x1
+  const dy = y2 - y1
+  const len = Math.hypot(dx, dy)
+  if (len < 1e-6) return { x1, y1, x2, y2 }
+  const ux = dx / len
+  const uy = dy / len
+  const sx = x1 + ux * (r + pad)
+  const sy = y1 + uy * (r + pad)
+  const absDx = Math.abs(dx)
+  const absDy = Math.abs(dy)
+  const u = Math.min(
+    absDx < 1e-9 ? 1 : (hw + pad) / absDx,
+    absDy < 1e-9 ? 1 : (hh + pad) / absDy,
+  )
+  const uu = Math.min(Math.max(u, 0), 0.48)
+  const ex = x2 - dx * uu
+  const ey = y2 - dy * uu
+  if ((ex - sx) * dx + (ey - sy) * dy <= 0) {
+    const mx = (x1 + x2) / 2
+    const my = (y1 + y2) / 2
+    return { x1: mx - ux * 2, y1: my - uy * 2, x2: mx + ux * 2, y2: my + uy * 2 }
+  }
+  return { x1: sx, y1: sy, x2: ex, y2: ey }
+}

package-lock.json

@@ -14259,6 +14259,21 @@
       "dependencies": {
         "zod": "^4.4.1"
       }
+    },
+    "node_modules/@next/swc-win32-x64-msvc": {
+      "version": "16.2.4",
+      "resolved": "https://registry.npmjs.org/@next/swc-win32-x64-msvc/-/swc-win32-x64-msvc-16.2.4.tgz",
+      "integrity": "sha512-kMVGgsqhO5YTYODD9IPGGhA6iprWidQckK3LmPeW08PIFENRmgfb4MjXHO+p//d+ts2rpjvK5gXWzXSMrPl9cw==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 10"
+      }
     }
   }
 }

packages/contracts/src/traffic-flow.ts

@@ -21,6 +21,7 @@ export const trafficFlowSettingsDtoSchema = z.object({
   hubServerId: z.number().int().positive().nullable(),
   retentionHours: z.number().int().positive(),
   topN: z.number().int().positive(),
+  mapServiceMinSharePct: z.number().min(0).max(100),
   lastDatagramAt: z.string().nullable(),
   lastExporterIp: z.string().nullable(),
   lastError: z.string().nullable(),
@@ -40,6 +41,7 @@ export const trafficFlowSettingsPatchSchema = z.object({
   hubServerId: z.number().int().positive().nullable().optional(),
   retentionHours: z.number().int().positive().optional(),
   topN: z.number().int().positive().max(1000).optional(),
+  mapServiceMinSharePct: z.number().min(0).max(100).optional(),
 })
 
 export const trafficFlowOverlayRequestSchema = z.object({
@@ -79,6 +81,19 @@ export const flowTalkerDtoSchema = z.object({
   packets: z.number().nonnegative(),
   bps: z.number().nonnegative(),
   inIface: z.string(),
+  inIfaceIndex: z.string().optional(),
+  outIface: z.string().optional(),
+  nextHop: z.string().optional(),
+  application: z.string().optional(),
+  category: z.string().optional(),
+  service: z.string().optional(),
+  dstCountry: z.string().optional(),
+  dstAsn: z.number().int().optional(),
+  clientId: z.string().optional(),
+  clientName: z.string().optional(),
+  enId: z.string().optional(),
+  enName: z.string().optional(),
+  plane: z.string().optional(),
 })
 
 export const flowStatsDtoSchema = z.object({
@@ -101,5 +116,221 @@ export type TrafficFlowSettingsDto = z.infer<typeof trafficFlowSettingsDtoSchema
 export type TrafficFlowSettingsPatch = z.infer<typeof trafficFlowSettingsPatchSchema>
 export type TrafficFlowOverlayResult = z.infer<typeof trafficFlowOverlayResultSchema>
 export type TrafficFlowHostFile = z.infer<typeof trafficFlowHostFileSchema>
+export const flowBreakdownRowSchema = z.object({
+  id: z.string(),
+  label: z.string(),
+  bytes: z.number().nonnegative(),
+  packets: z.number().nonnegative(),
+  bps: z.number().nonnegative(),
+  percent: z.number().nonnegative(),
+})
+
+export const flowIfaceChipSchema = z.object({
+  name: z.string(),
+  index: z.string(),
+  bps: z.number().nonnegative(),
+})
+
+export const flowEntityCardSchema = z.object({
+  id: z.string(),
+  name: z.string(),
+  subtitle: z.string(),
+  site: z.string(),
+  country: z.string(),
+  status: z.enum(["online", "offline", "degraded"]),
+  rxNow: z.number(),
+  txNow: z.number(),
+  sessions: z.number().int().nonnegative(),
+  rxSeries: z.array(z.number()),
+  txSeries: z.array(z.number()),
+  bytes: z.number().nonnegative(),
+})
+
+export const flowMapEdgeSchema = z.object({
+  fromId: z.string(),
+  fromLabel: z.string(),
+  fromCountry: z.string(),
+  toCountry: z.string(),
+  toAsn: z.number().int().nonnegative(),
+  category: z.string(),
+  bytes: z.number().nonnegative(),
+  bps: z.number().nonnegative(),
+})
+
+export const flowPathRowSchema = z.object({
+  id: z.string(),
+  clientId: z.string(),
+  clientName: z.string(),
+  ifaces: z.string(),
+  serverId: z.string(),
+  serverName: z.string(),
+  inIface: z.string(),
+  outIface: z.string(),
+  enId: z.string(),
+  enName: z.string(),
+  dst: z.string(),
+  service: z.string(),
+  category: z.string(),
+  plane: z.string(),
+  bytes: z.number().nonnegative(),
+  packets: z.number().nonnegative(),
+  bps: z.number().nonnegative(),
+})
+
+export const flowAnalyticsDtoSchema = z.object({
+  bpsNow: z.number().nonnegative(),
+  bytes: z.number().nonnegative(),
+  packets: z.number().nonnegative(),
+  conversations: z.number().int().nonnegative(),
+  conversationsRaw: z.number().int().nonnegative().optional(),
+  uniqueSrc: z.number().int().nonnegative(),
+  uniqueDst: z.number().int().nonnegative(),
+  topProto: z.string(),
+  topCategory: z.string().optional(),
+  rxSeries: z.array(z.number()),
+  txSeries: z.array(z.number()),
+  applications: z.array(flowBreakdownRowSchema),
+  protocols: z.array(flowBreakdownRowSchema),
+  sources: z.array(flowBreakdownRowSchema),
+  destinations: z.array(flowBreakdownRowSchema),
+  interfaces: z.array(flowBreakdownRowSchema),
+  asns: z.array(flowBreakdownRowSchema).optional(),
+  countries: z.array(flowBreakdownRowSchema).optional(),
+  categories: z.array(flowBreakdownRowSchema).optional(),
+  services: z.array(flowBreakdownRowSchema).optional(),
+  mapEdges: z.array(flowMapEdgeSchema).optional(),
+  conversationsList: z.array(flowTalkerDtoSchema),
+  paths: z.array(flowPathRowSchema).optional(),
+  ifaces: z.array(flowIfaceChipSchema),
+  live: z.boolean(),
+  dedupApplied: z.boolean().optional(),
+  degraded: z.boolean().optional(),
+  bytesPayload: z.number().nonnegative().optional(),
+  bytesOverlay: z.number().nonnegative().optional(),
+  bytesMesh: z.number().nonnegative().optional(),
+  bytesWire: z.number().nonnegative().optional(),
+  bpsOverlay: z.number().nonnegative().optional(),
+  bpsWire: z.number().nonnegative().optional(),
+  excludeMeshApplied: z.boolean().optional(),
+  excludeOverlayApplied: z.boolean().optional(),
+})
+
+export const flowExportersDtoSchema = z.object({
+  exporters: z.array(flowEntityCardSchema),
+  lastExporterIp: z.string().nullable().optional(),
+  lastError: z.string().nullable().optional(),
+  packetsReceived: z.number().int().nonnegative().optional(),
+  lastDatagramAt: z.string().nullable().optional(),
+  listenerBound: z.boolean().optional(),
+  listenerAddress: z.string().nullable().optional(),
+})
+
+export const flowClientsDtoSchema = z.object({
+  clients: z.array(flowEntityCardSchema),
+})
+
+export const flowMonthlyDtoSchema = z.object({
+  month: z.string(),
+  bytes: z.number().nonnegative(),
+  countries: z.array(flowBreakdownRowSchema),
+  services: z.array(flowBreakdownRowSchema),
+  asns: z.array(flowBreakdownRowSchema),
+})
+
+export const flowPurgeDtoSchema = z.object({
+  ok: z.literal(true),
+  deleted: z.object({
+    buckets: z.number().int().nonnegative(),
+    minuteStats: z.number().int().nonnegative(),
+    minuteDims: z.number().int().nonnegative(),
+    dailyDims: z.number().int().nonnegative(),
+  }),
+  fileBytesBefore: z.number().int().nonnegative(),
+  fileBytesAfter: z.number().int().nonnegative(),
+  vacuumed: z.boolean(),
+})
+
+export const flowMapHopKindSchema = z.enum(["gre", "wan", "iface"])
+
+export const flowMapHopDtoSchema = z.object({
+  fromId: z.string(),
+  fromLabel: z.string(),
+  toId: z.string(),
+  toLabel: z.string(),
+  kind: flowMapHopKindSchema,
+  iface: z.string().optional(),
+  bytes: z.number().nonnegative(),
+  bps: z.number().nonnegative(),
+  bpsFwd: z.number().nonnegative(),
+  bpsRev: z.number().nonnegative(),
+})
+
+export const flowMapServiceDtoSchema = z.object({
+  id: z.string(),
+  label: z.string(),
+  category: z.string(),
+  bytes: z.number().nonnegative(),
+  bps: z.number().nonnegative(),
+  share: z.number().min(0).max(1),
+})
+
+export const flowMapServiceEdgeDtoSchema = z.object({
+  fromId: z.string(),
+  toId: z.string(),
+  bytes: z.number().nonnegative(),
+  bps: z.number().nonnegative(),
+  bpsFwd: z.number().nonnegative(),
+  bpsRev: z.number().nonnegative(),
+  clientId: z.string().optional(),
+  clientName: z.string().optional(),
+  clients: z.array(z.object({
+    id: z.string(),
+    name: z.string(),
+  })).optional(),
+})
+
+export const flowMapServicePathDtoSchema = z.object({
+  clientId: z.string(),
+  clientName: z.string(),
+  viaId: z.string(),
+  viaName: z.string(),
+  enId: z.string(),
+  enName: z.string(),
+  serviceId: z.string(),
+  bytes: z.number().nonnegative(),
+  bps: z.number().nonnegative(),
+})
+
+export const flowMapHopsDtoSchema = z.object({
+  hops: z.array(flowMapHopDtoSchema),
+  live: z.boolean(),
+  rangeMinutes: z.number().int().positive(),
+  windowSec: z.number().positive(),
+  totalBytes: z.number().nonnegative().optional(),
+  services: z.array(flowMapServiceDtoSchema).optional(),
+  serviceEdges: z.array(flowMapServiceEdgeDtoSchema).optional(),
+  servicePaths: z.array(flowMapServicePathDtoSchema).optional(),
+  mapServiceMinSharePct: z.number().min(0).max(100).optional(),
+  dedupApplied: z.boolean(),
+  excludeMeshApplied: z.boolean(),
+  excludeOverlayApplied: z.boolean(),
+})
+
 export type FlowTalkerDto = z.infer<typeof flowTalkerDtoSchema>
 export type FlowStatsDto = z.infer<typeof flowStatsDtoSchema>
+export type FlowBreakdownRow = z.infer<typeof flowBreakdownRowSchema>
+export type FlowIfaceChip = z.infer<typeof flowIfaceChipSchema>
+export type FlowEntityCard = z.infer<typeof flowEntityCardSchema>
+export type FlowMapEdge = z.infer<typeof flowMapEdgeSchema>
+export type FlowPathRow = z.infer<typeof flowPathRowSchema>
+export type FlowAnalyticsDto = z.infer<typeof flowAnalyticsDtoSchema>
+export type FlowExportersDto = z.infer<typeof flowExportersDtoSchema>
+export type FlowClientsDto = z.infer<typeof flowClientsDtoSchema>
+export type FlowMonthlyDto = z.infer<typeof flowMonthlyDtoSchema>
+export type FlowPurgeDto = z.infer<typeof flowPurgeDtoSchema>
+export type FlowMapHopKind = z.infer<typeof flowMapHopKindSchema>
+export type FlowMapHop = z.infer<typeof flowMapHopDtoSchema>
+export type FlowMapService = z.infer<typeof flowMapServiceDtoSchema>
+export type FlowMapServiceEdge = z.infer<typeof flowMapServiceEdgeDtoSchema>
+export type FlowMapServicePath = z.infer<typeof flowMapServicePathDtoSchema>
+export type FlowMapHopsDto = z.infer<typeof flowMapHopsDtoSchema>

shared/api/traffic-flow.ts

@@ -1,4 +1,10 @@
 import type {
+  FlowAnalyticsDto,
+  FlowClientsDto,
+  FlowExportersDto,
+  FlowMapHopsDto,
+  FlowMonthlyDto,
+  FlowPurgeDto,
   FlowStatsDto,
   TrafficFlowHostFile,
   TrafficFlowOverlayResult,
@@ -50,3 +56,89 @@ export async function applyTrafficFlowOverlay(
 export async function getTrafficFlows(baseUrl: string, range = "5m"): Promise<FlowStatsDto> {
   return requestJson<FlowStatsDto>(baseUrl, `/api/traffic/flows?range=${encodeURIComponent(range)}`)
 }
+
+function flowQuery(params: {
+  range?: string
+  serverId?: string
+  userId?: string
+  iface?: string
+  dedup?: boolean
+  excludeMesh?: boolean
+  excludeOverlay?: boolean
+}): string {
+  const q = new URLSearchParams()
+  if (params.range) q.set("range", params.range)
+  if (params.serverId) q.set("serverId", params.serverId)
+  if (params.userId) q.set("userId", params.userId)
+  if (params.iface && params.iface !== "__all__") q.set("iface", params.iface)
+  if (params.dedup === false) q.set("dedup", "0")
+  else if (params.dedup === true) q.set("dedup", "1")
+  if (params.excludeMesh === false) q.set("excludeMesh", "0")
+  else if (params.excludeMesh === true) q.set("excludeMesh", "1")
+  if (params.excludeOverlay === false) q.set("excludeOverlay", "0")
+  else if (params.excludeOverlay === true) q.set("excludeOverlay", "1")
+  const s = q.toString()
+  return s ? `?${s}` : ""
+}
+
+export async function getFlowExporters(baseUrl: string, range = "5m"): Promise<FlowExportersDto> {
+  return requestJson<FlowExportersDto>(baseUrl, `/api/traffic/flow/exporters?range=${encodeURIComponent(range)}`)
+}
+
+export async function getFlowClients(baseUrl: string, range = "5m"): Promise<FlowClientsDto> {
+  return requestJson<FlowClientsDto>(baseUrl, `/api/traffic/flow/clients?range=${encodeURIComponent(range)}`)
+}
+
+export async function getFlowMapHops(
+  baseUrl: string,
+  params: {
+    range?: string
+    serverId?: string
+    userId?: string
+    iface?: string
+    dedup?: boolean
+    excludeMesh?: boolean
+    excludeOverlay?: boolean
+  } = {},
+): Promise<FlowMapHopsDto> {
+  return requestJson<FlowMapHopsDto>(baseUrl, `/api/traffic/flow/map-hops${flowQuery({
+    range: params.range ?? "5m",
+    serverId: params.serverId,
+    userId: params.userId,
+    iface: params.iface,
+    dedup: params.dedup,
+    excludeMesh: params.excludeMesh,
+    excludeOverlay: params.excludeOverlay,
+  })}`)
+}
+
+export async function getFlowAnalytics(
+  baseUrl: string,
+  params: {
+    range?: string
+    serverId?: string
+    userId?: string
+    iface?: string
+    dedup?: boolean
+    excludeMesh?: boolean
+    excludeOverlay?: boolean
+  },
+): Promise<FlowAnalyticsDto> {
+  return requestJson<FlowAnalyticsDto>(baseUrl, `/api/traffic/flow/analytics${flowQuery(params)}`)
+}
+
+export async function getFlowMonthly(
+  baseUrl: string,
+  params: { month: string; serverId?: string },
+): Promise<FlowMonthlyDto> {
+  const q = new URLSearchParams()
+  q.set("month", params.month)
+  if (params.serverId) q.set("serverId", params.serverId)
+  return requestJson<FlowMonthlyDto>(baseUrl, `/api/traffic/flow/monthly?${q.toString()}`)
+}
+
+export async function purgeTrafficFlowData(baseUrl: string): Promise<FlowPurgeDto> {
+  return requestJson<FlowPurgeDto>(baseUrl, "/api/traffic/flow/purge", { method: "POST" })
+}
+
+export { flowQuery }