feat(topology): Badge-подписи связей и parent-child группы

Связи показывают тип, подпись, протокол и IP туннеля вместе; группы на заднем слое, узлы внутри прилипают к группе. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-18 17:46:49 +07:00
parent e18d3b4ce6
commit 7f3371591e
7 changed files with 496 additions and 60 deletions
@@ -35,6 +35,8 @@ export function EdgeEditSheet({
  const [lineStyle, setLineStyle] = useState<'solid' | 'dashed'>('solid')
  const [direction, setDirection] = useState<TopologyEdgeDirection>('forward')
  const [protocol, setProtocol] = useState('')
+  const [localIp, setLocalIp] = useState('')
+  const [remoteIp, setRemoteIp] = useState('')
  const [notes, setNotes] = useState('')

  useEffect(() => {
@@ -44,9 +46,13 @@ export function EdgeEditSheet({
    setLineStyle(d.lineStyle ?? 'solid')
    setDirection(d.direction ?? 'forward')
    setProtocol(d.protocol ?? '')
+    setLocalIp(d.localIp ?? '')
+    setRemoteIp(d.remoteIp ?? '')
    setNotes(d.notes ?? '')
  }, [data, edgeId, open])

+  const showTunnelIps = relation === 'vpn' || relation === 'tunnel'
+
  return (
    <FormSheet
      open={open}
@@ -55,7 +61,7 @@ export function EdgeEditSheet({
      description={
        locked
          ? 'Схема заблокирована — только просмотр'
-          : 'Тип связи и подпись отображаются на схеме'
+          : 'Тип, подпись, протокол и IP отображаются на схеме вместе'
      }
      submitLabel="Сохранить"
      submitDisabled={locked || !edgeId}
@@ -67,6 +73,8 @@ export function EdgeEditSheet({
          lineStyle,
          direction,
          protocol: protocol.trim(),
+          localIp: localIp.trim(),
+          remoteIp: remoteIp.trim(),
          notes: notes.trim(),
        })
        onOpenChange(false)
@@ -92,7 +100,7 @@ export function EdgeEditSheet({
          onChange={(e) => setLabel(e.target.value)}
          disabled={locked}
          maxLength={60}
-          placeholder="Например: eth0 / 10 Gbit"
+          placeholder="Например: eth0 / uplink — рядом с протоколом"
        />
      </FormField>
      <FormField label="Направление" htmlFor="edge-direction">
@@ -130,6 +138,32 @@ export function EdgeEditSheet({
          placeholder="TCP/443, WireGuard, BGP…"
        />
      </FormField>
+      {showTunnelIps ? (
+        <>
+          <FormField label="Локальный IP туннеля" htmlFor="edge-local-ip">
+            <Input
+              id="edge-local-ip"
+              value={localIp}
+              onChange={(e) => setLocalIp(e.target.value)}
+              disabled={locked}
+              maxLength={45}
+              placeholder="10.8.0.1"
+              className="font-mono"
+            />
+          </FormField>
+          <FormField label="Удалённый IP туннеля" htmlFor="edge-remote-ip">
+            <Input
+              id="edge-remote-ip"
+              value={remoteIp}
+              onChange={(e) => setRemoteIp(e.target.value)}
+              disabled={locked}
+              maxLength={45}
+              placeholder="10.8.0.2"
+              className="font-mono"
+            />
+          </FormField>
+        </>
+      ) : null}
      <FormField label="Заметки" htmlFor="edge-notes">
        <Textarea
          id="edge-notes"
@@ -0,0 +1,6 @@
+import type { EdgeTypes } from '@xyflow/react'
+import { TopologyEdge } from './edges/topology-edge'
+
+export const topologyEdgeTypes = {
+  topology: TopologyEdge,
+} satisfies EdgeTypes
@@ -1,9 +1,5 @@
 import { MarkerType, type Edge } from '@xyflow/react'
-import {
-  defaultEdgeData,
-  edgeRelationLabel,
-  type TopologyEdgeData,
-} from './types'
+import { defaultEdgeData, type TopologyEdgeData } from './types'

 export function applyEdgeVisuals(
  edge: Edge<TopologyEdgeData>,
@@ -11,16 +7,11 @@ export function applyEdgeVisuals(
 ): Edge<TopologyEdgeData> {
  const direction = data.direction ?? 'forward'
  const lineStyle = data.lineStyle ?? 'solid'
-  const label =
-    data.label?.trim() ||
-    (data.protocol?.trim()
-      ? `${edgeRelationLabel(data.relation)} · ${data.protocol.trim()}`
-      : edgeRelationLabel(data.relation))

  return {
    ...edge,
-    type: 'smoothstep',
-    label,
+    type: 'topology',
+    label: undefined,
    data,
    style: {
      ...edge.style,
@@ -37,9 +28,12 @@ export function applyEdgeVisuals(
  }
 }

-export function createConnectedEdge(
-  connection: { source: string; target: string; sourceHandle?: string | null; targetHandle?: string | null },
-): Edge<TopologyEdgeData> {
+export function createConnectedEdge(connection: {
+  source: string
+  target: string
+  sourceHandle?: string | null
+  targetHandle?: string | null
+}): Edge<TopologyEdgeData> {
  const data = defaultEdgeData()
  return applyEdgeVisuals(
    {
@@ -0,0 +1,94 @@
+import { memo } from 'react'
+import {
+  BaseEdge,
+  EdgeLabelRenderer,
+  getSmoothStepPath,
+  type Edge,
+  type EdgeProps,
+} from '@xyflow/react'
+import { Badge } from '@/components/reui/badge'
+import { cn } from '@cfdm/ui/lib/utils'
+import {
+  edgeRelationShortLabel,
+  formatEdgeTunnelIps,
+  type TopologyEdgeData,
+} from '../types'
+
+function TopologyEdgeComponent(props: EdgeProps<Edge<TopologyEdgeData>>) {
+  const {
+    id,
+    sourceX,
+    sourceY,
+    targetX,
+    targetY,
+    sourcePosition,
+    targetPosition,
+    style,
+    markerEnd,
+    markerStart,
+    selected,
+    data,
+  } = props
+
+  const [edgePath, labelX, labelY] = getSmoothStepPath({
+    sourceX,
+    sourceY,
+    sourcePosition,
+    targetX,
+    targetY,
+    targetPosition,
+  })
+
+  const relation = data?.relation ?? 'network'
+  const title = data?.label?.trim() ?? ''
+  const protocol = data?.protocol?.trim() ?? ''
+  const tunnelIps = formatEdgeTunnelIps(data ?? {})
+
+  return (
+    <>
+      <BaseEdge
+        id={id}
+        path={edgePath}
+        markerEnd={markerEnd}
+        markerStart={markerStart}
+        style={{
+          ...style,
+          strokeWidth: selected ? 2.5 : 1.5,
+        }}
+      />
+      <EdgeLabelRenderer>
+        <div
+          className={cn(
+            'nodrag nopan absolute flex max-w-[220px] flex-wrap items-center justify-center gap-1 rounded-md border border-border bg-background/95 px-1.5 py-1 shadow-sm backdrop-blur-sm',
+            selected && 'ring-1 ring-primary/40',
+          )}
+          style={{
+            transform: `translate(-50%, -50%) translate(${labelX}px,${labelY}px)`,
+            pointerEvents: 'all',
+          }}
+        >
+          <Badge variant="info-light" size="xs" radius="full">
+            {edgeRelationShortLabel(relation)}
+          </Badge>
+          {title ? (
+            <Badge variant="outline" size="xs" radius="full">
+              {title}
+            </Badge>
+          ) : null}
+          {protocol ? (
+            <Badge variant="primary-light" size="xs" radius="full" className="font-mono">
+              {protocol}
+            </Badge>
+          ) : null}
+          {tunnelIps ? (
+            <Badge variant="secondary" size="xs" radius="full" className="font-mono">
+              {tunnelIps}
+            </Badge>
+          ) : null}
+        </div>
+      </EdgeLabelRenderer>
+    </>
+  )
+}
+
+export const TopologyEdge = memo(TopologyEdgeComponent)
@@ -0,0 +1,228 @@
+import type { TopologyFlowNode, TopologyNodeType } from './types'
+
+const GROUP_Z = -1
+const CONTENT_Z = 1
+
+const ATTACHABLE = new Set<TopologyNodeType>(['vps', 'shape', 'note'])
+
+export function isAttachableType(type: TopologyNodeType | undefined): boolean {
+  return type != null && ATTACHABLE.has(type)
+}
+
+export function normalizeGroupLayers(nodes: TopologyFlowNode[]): TopologyFlowNode[] {
+  return nodes.map((n) => {
+    if (n.type === 'group') {
+      return { ...n, zIndex: n.selected ? 0 : GROUP_Z }
+    }
+    if (n.zIndex != null && n.zIndex < CONTENT_Z) {
+      return { ...n, zIndex: CONTENT_Z }
+    }
+    return n.zIndex == null ? { ...n, zIndex: CONTENT_Z } : n
+  })
+}
+
+function nodeWidth(node: TopologyFlowNode): number {
+  return (
+    node.measured?.width ??
+    (typeof node.width === 'number' ? node.width : undefined) ??
+    (typeof node.style?.width === 'number' ? node.style.width : undefined) ??
+    (typeof node.style?.width === 'string' ? Number.parseFloat(node.style.width) : undefined) ??
+    220
+  )
+}
+
+function nodeHeight(node: TopologyFlowNode): number {
+  return (
+    node.measured?.height ??
+    (typeof node.height === 'number' ? node.height : undefined) ??
+    (typeof node.style?.height === 'number' ? node.style.height : undefined) ??
+    (typeof node.style?.height === 'string' ? Number.parseFloat(node.style.height) : undefined) ??
+    80
+  )
+}
+
+function absolutePosition(
+  node: TopologyFlowNode,
+  nodesById: Map<string, TopologyFlowNode>,
+): { x: number; y: number } {
+  let x = node.position.x
+  let y = node.position.y
+  let parentId = node.parentId
+  const guard = new Set<string>()
+  while (parentId && !guard.has(parentId)) {
+    guard.add(parentId)
+    const parent = nodesById.get(parentId)
+    if (!parent) break
+    x += parent.position.x
+    y += parent.position.y
+    parentId = parent.parentId
+  }
+  return { x, y }
+}
+
+export function getNodeCenterAbsolute(
+  node: TopologyFlowNode,
+  nodes: TopologyFlowNode[],
+): { x: number; y: number } {
+  const byId = new Map(nodes.map((n) => [n.id, n]))
+  const abs = absolutePosition(node, byId)
+  return {
+    x: abs.x + nodeWidth(node) / 2,
+    y: abs.y + nodeHeight(node) / 2,
+  }
+}
+
+function groupBounds(group: TopologyFlowNode, nodesById: Map<string, TopologyFlowNode>) {
+  const abs = absolutePosition(group, nodesById)
+  return { x: abs.x, y: abs.y, width: nodeWidth(group), height: nodeHeight(group) }
+}
+
+function pointInBounds(
+  point: { x: number; y: number },
+  bounds: { x: number; y: number; width: number; height: number },
+): boolean {
+  return (
+    point.x >= bounds.x &&
+    point.x <= bounds.x + bounds.width &&
+    point.y >= bounds.y &&
+    point.y <= bounds.y + bounds.height
+  )
+}
+
+/** Найти группу, в чьи bounds попадает точка (предпочитаем наименьшую площадь). */
+export function findGroupAtPoint(
+  nodes: TopologyFlowNode[],
+  point: { x: number; y: number },
+  excludeId?: string,
+): TopologyFlowNode | null {
+  const byId = new Map(nodes.map((n) => [n.id, n]))
+  let best: TopologyFlowNode | null = null
+  let bestArea = Number.POSITIVE_INFINITY
+
+  for (const n of nodes) {
+    if (n.type !== 'group' || n.id === excludeId) continue
+    const b = groupBounds(n, byId)
+    if (!pointInBounds(point, b)) continue
+    const area = b.width * b.height
+    if (area < bestArea) {
+      best = n
+      bestArea = area
+    }
+  }
+  return best
+}
+
+export function attachNodeToGroup(
+  node: TopologyFlowNode,
+  group: TopologyFlowNode,
+  nodes: TopologyFlowNode[],
+): TopologyFlowNode {
+  if (node.id === group.id) return node
+  if (node.parentId === group.id) {
+    return {
+      ...node,
+      parentId: group.id,
+      extent: 'parent',
+      zIndex: CONTENT_Z,
+    }
+  }
+  const byId = new Map(nodes.map((n) => [n.id, n]))
+  const abs = absolutePosition(node, byId)
+  const groupAbs = absolutePosition(group, byId)
+  return {
+    ...node,
+    parentId: group.id,
+    extent: 'parent',
+    position: {
+      x: abs.x - groupAbs.x,
+      y: abs.y - groupAbs.y,
+    },
+    zIndex: CONTENT_Z,
+  }
+}
+
+export function detachNodeFromGroup(
+  node: TopologyFlowNode,
+  nodes: TopologyFlowNode[],
+): TopologyFlowNode {
+  if (!node.parentId) {
+    return { ...node, extent: undefined, zIndex: CONTENT_Z }
+  }
+  const byId = new Map(nodes.map((n) => [n.id, n]))
+  const abs = absolutePosition(node, byId)
+  return {
+    ...node,
+    parentId: undefined,
+    extent: undefined,
+    position: abs,
+    zIndex: CONTENT_Z,
+  }
+}
+
+/** Применить attach/detach по центру узла после drag. */
+export function reconcileNodeParenting(
+  node: TopologyFlowNode,
+  nodes: TopologyFlowNode[],
+): TopologyFlowNode {
+  if (!isAttachableType(node.type)) return node
+
+  const center = getNodeCenterAbsolute(node, nodes)
+  const group = findGroupAtPoint(nodes, center, node.id)
+
+  if (group) {
+    return attachNodeToGroup(node, group, nodes)
+  }
+  if (node.parentId) {
+    return detachNodeFromGroup(node, nodes)
+  }
+  return node
+}
+
+/** Привязать новый узел к группе по точке (absolute flow coords). */
+export function placeWithOptionalParent(
+  node: TopologyFlowNode,
+  flowPosition: { x: number; y: number },
+  nodes: TopologyFlowNode[],
+): TopologyFlowNode {
+  if (node.type === 'group') {
+    return { ...node, zIndex: GROUP_Z, position: flowPosition }
+  }
+  if (!isAttachableType(node.type)) {
+    return { ...node, position: flowPosition, zIndex: CONTENT_Z }
+  }
+
+  const group = findGroupAtPoint(nodes, flowPosition)
+  if (!group) {
+    return { ...node, position: flowPosition, zIndex: CONTENT_Z }
+  }
+
+  const byId = new Map(nodes.map((n) => [n.id, n]))
+  const groupAbs = absolutePosition(group, byId)
+  return {
+    ...node,
+    parentId: group.id,
+    extent: 'parent',
+    position: {
+      x: flowPosition.x - groupAbs.x,
+      y: flowPosition.y - groupAbs.y,
+    },
+    zIndex: CONTENT_Z,
+  }
+}
+
+/** Родители перед детьми (стабильный порядок для RF). */
+export function sortParentsFirst(nodes: TopologyFlowNode[]): TopologyFlowNode[] {
+  const byId = new Map(nodes.map((n) => [n.id, n]))
+  const depth = (n: TopologyFlowNode): number => {
+    let d = 0
+    let p = n.parentId
+    const guard = new Set<string>()
+    while (p && byId.has(p) && !guard.has(p)) {
+      guard.add(p)
+      d += 1
+      p = byId.get(p)?.parentId
+    }
+    return d
+  }
+  return [...nodes].sort((a, b) => depth(a) - depth(b))
+}
@@ -19,8 +19,8 @@ import {
  useReactFlow,
  type Connection,
  type Edge,
-  type Node,
  type OnConnect,
+  type OnNodeDrag,
  type OnNodesChange,
  type OnEdgesChange,
  type Viewport,
@@ -31,6 +31,7 @@ import { useTheme } from 'next-themes'
 import { toast } from 'sonner'
 import { cn } from '@cfdm/ui/lib/utils'
 import { topologyNodeTypes } from './node-types'
+import { topologyEdgeTypes } from './edge-types'
 import { TopologyPalette, parsePaletteDrag, shapeLabel } from './palette'
 import { TopologyToolbar } from './toolbar'
 import { AddVpsSheet } from './add-vps-sheet'
@@ -38,6 +39,12 @@ import { VpsDetailSheet } from './vps-detail-sheet'
 import { ElementEditSheet, type EditableElement } from './element-edit-sheet'
 import { EdgeEditSheet } from './edge-edit-sheet'
 import { applyEdgeVisuals, createConnectedEdge } from './edge-utils'
+import {
+  normalizeGroupLayers,
+  placeWithOptionalParent,
+  reconcileNodeParenting,
+  sortParentsFirst,
+} from './group-utils'
 import {
  defaultEdgeData,
  isGroupNodeData,
@@ -50,11 +57,11 @@ import {
  type PaletteItem,
  type ShapeNodeData,
  type TopologyEdgeData,
-  type TopologyNodeData,
+  type TopologyFlowNode,
  type TopologyNodeType,
 } from './types'

-type FlowNode = Node<TopologyNodeData, TopologyNodeType>
+type FlowNode = TopologyFlowNode
 type FlowEdge = Edge<TopologyEdgeData>

 interface TopologyEditorProps {
@@ -88,7 +95,9 @@ function TopologyEditorInner({
  const { screenToFlowPosition, fitView, zoomIn, zoomOut, getViewport, setViewport } =
    useReactFlow()

-  const [nodes, setNodes, onNodesChangeBase] = useNodesState<FlowNode>(initialNodes)
+  const [nodes, setNodes, onNodesChangeBase] = useNodesState<FlowNode>(
+    normalizeGroupLayers(sortParentsFirst(initialNodes)),
+  )
  const [edges, setEdges, onEdgesChangeBase] = useEdgesState<FlowEdge>(
    normalizeEdges(initialEdges),
  )
@@ -107,7 +116,7 @@ function TopologyEditorInner({
  useEffect(() => {
    skipSave.current = true
    hydrated.current = false
-    setNodes(initialNodes)
+    setNodes(normalizeGroupLayers(sortParentsFirst(initialNodes)))
    setEdges(normalizeEdges(initialEdges))
    setEditElement(null)
    setElementOpen(false)
@@ -144,8 +153,17 @@ function TopologyEditorInner({
    (changes) => {
      if (locked) return
      onNodesChangeBase(changes)
+      const touchesSelection = changes.some(
+        (c) => c.type === 'select' || c.type === 'dimensions' || c.type === 'replace',
+      )
+      if (touchesSelection) {
+        // Keep groups on back layer after select/resize updates settle
+        queueMicrotask(() => {
+          setNodes((ns) => normalizeGroupLayers(ns))
+        })
+      }
    },
-    [locked, onNodesChangeBase],
+    [locked, onNodesChangeBase, setNodes],
  )

  const onEdgesChange: OnEdgesChange<FlowEdge> = useCallback(
@@ -175,6 +193,24 @@ function TopologyEditorInner({
    [locked, setEdges],
  )

+  const onNodeDragStop: OnNodeDrag<FlowNode> = useCallback(
+    (_e, node) => {
+      if (locked) return
+      setNodes((ns) => {
+        const current = ns.find((n) => n.id === node.id) ?? node
+        const next = reconcileNodeParenting(current, ns)
+        if (next === current && next.parentId === current.parentId) {
+          const samePos =
+            next.position.x === current.position.x && next.position.y === current.position.y
+          if (samePos) return normalizeGroupLayers(ns)
+        }
+        const updated = ns.map((n) => (n.id === next.id ? next : n))
+        return normalizeGroupLayers(sortParentsFirst(updated))
+      })
+    },
+    [locked, setNodes],
+  )
+
  const existingVpsIds = useMemo(() => {
    const ids = new Set<string>()
    for (const n of nodes) {
@@ -188,36 +224,36 @@ function TopologyEditorInner({
      setAddVpsOpen(true)
      return
    }
-    if (item.kind === 'shape') {
-      const node: FlowNode = {
-        id: newNodeId('shape'),
-        type: 'shape',
-        position,
-        data: { kind: item.shape, label: shapeLabel(item.shape) },
+    setNodes((ns) => {
+      let draft: FlowNode | null = null
+      if (item.kind === 'shape') {
+        draft = {
+          id: newNodeId('shape'),
+          type: 'shape',
+          position,
+          data: { kind: item.shape, label: shapeLabel(item.shape) },
+        }
+      } else if (item.kind === 'note') {
+        draft = {
+          id: newNodeId('note'),
+          type: 'note',
+          position,
+          data: { text: 'Заметка' },
+        }
+      } else if (item.kind === 'group') {
+        draft = {
+          id: newNodeId('group'),
+          type: 'group',
+          position,
+          style: { width: 320, height: 200 },
+          data: { label: 'Группа' },
+          zIndex: -1,
+        }
      }
-      setNodes((ns) => [...ns, node])
-      return
-    }
-    if (item.kind === 'note') {
-      const node: FlowNode = {
-        id: newNodeId('note'),
-        type: 'note',
-        position,
-        data: { text: 'Заметка' },
-      }
-      setNodes((ns) => [...ns, node])
-      return
-    }
-    if (item.kind === 'group') {
-      const node: FlowNode = {
-        id: newNodeId('group'),
-        type: 'group',
-        position,
-        style: { width: 320, height: 200 },
-        data: { label: 'Группа' },
-      }
-      setNodes((ns) => [...ns, node])
-    }
+      if (!draft) return ns
+      const placed = placeWithOptionalParent(draft, position, ns)
+      return normalizeGroupLayers(sortParentsFirst([...ns, placed]))
+    })
  }

  function onDragOver(e: DragEvent) {
@@ -240,13 +276,22 @@ function TopologyEditorInner({
      x: (wrapperRef.current?.clientWidth ?? 400) / 2 + 80,
      y: (wrapperRef.current?.clientHeight ?? 300) / 2,
    })
-    const created: FlowNode[] = vpsIds.map((vpsId, i) => ({
-      id: newNodeId('vps'),
-      type: 'vps' as const,
-      position: { x: origin.x + (i % 3) * 240, y: origin.y + Math.floor(i / 3) * 110 },
-      data: { vpsId },
-    }))
-    setNodes((ns) => [...ns, ...created])
+    setNodes((ns) => {
+      const created = vpsIds.map((vpsId, i) => {
+        const pos = {
+          x: origin.x + (i % 3) * 240,
+          y: origin.y + Math.floor(i / 3) * 110,
+        }
+        const draft: FlowNode = {
+          id: newNodeId('vps'),
+          type: 'vps',
+          position: pos,
+          data: { vpsId },
+        }
+        return placeWithOptionalParent(draft, pos, ns)
+      })
+      return normalizeGroupLayers(sortParentsFirst([...ns, ...created]))
+    })
  }

  function placeItemAtCenter(item: PaletteItem) {
@@ -351,6 +396,7 @@ function TopologyEditorInner({
        onConnect={onConnect}
        onNodeClick={onNodeClick}
        onEdgeClick={onEdgeClick}
+        onNodeDragStop={onNodeDragStop}
        onDrop={onDrop}
        onDragOver={onDragOver}
        onMoveEnd={(_, vp) => {
@@ -360,6 +406,7 @@ function TopologyEditorInner({
          }
        }}
        nodeTypes={topologyNodeTypes}
+        edgeTypes={topologyEdgeTypes}
        nodesDraggable={!locked}
        nodesConnectable={!locked}
        elementsSelectable={!locked}
@@ -368,7 +415,7 @@ function TopologyEditorInner({
        fitView
        colorMode={colorMode}
        defaultEdgeOptions={{
-          type: 'smoothstep',
+          type: 'topology',
          markerEnd: { type: MarkerType.ArrowClosed, width: 16, height: 16 },
        }}
        proOptions={{ hideAttribution: true }}
@@ -48,6 +48,10 @@ export type TopologyEdgeData = {
  lineStyle?: 'solid' | 'dashed'
  direction?: TopologyEdgeDirection
  protocol?: string
+  /** Локальный IP VPN/туннеля (опционально) */
+  localIp?: string
+  /** Удалённый / peer IP VPN/туннеля (опционально) */
+  remoteIp?: string
  notes?: string
 }

@@ -104,6 +108,8 @@ export function defaultEdgeData(): TopologyEdgeData {
    lineStyle: 'solid',
    direction: 'forward',
    protocol: '',
+    localIp: '',
+    remoteIp: '',
    notes: '',
  }
 }
@@ -112,6 +118,33 @@ export function edgeRelationLabel(relation: TopologyEdgeRelation): string {
  return EDGE_RELATION_OPTIONS.find((o) => o.value === relation)?.label ?? relation
 }

+/** Краткая подпись IP туннеля: `10.8.0.1 ↔ 10.8.0.2` или один адрес */
+export function formatEdgeTunnelIps(data: Pick<TopologyEdgeData, 'localIp' | 'remoteIp'>): string {
+  const local = data.localIp?.trim() ?? ''
+  const remote = data.remoteIp?.trim() ?? ''
+  if (local && remote) return `${local} ↔ ${remote}`
+  return local || remote
+}
+
+export function edgeRelationShortLabel(relation: TopologyEdgeRelation): string {
+  switch (relation) {
+    case 'network':
+      return 'Сеть'
+    case 'dependency':
+      return 'Зависимость'
+    case 'tunnel':
+      return 'Туннель'
+    case 'vpn':
+      return 'VPN'
+    case 'sync':
+      return 'Синк'
+    case 'custom':
+      return 'Связь'
+    default:
+      return relation
+  }
+}
+
 export function vpsSpecsLine(vps: Pick<Vps, 'vcpu' | 'ramGb' | 'diskGb' | 'diskType'>): string {
  const disk = vps.diskType ? `${vps.diskGb} ГБ ${vps.diskType}` : `${vps.diskGb} ГБ`
  return `${vps.vcpu} CPU · ${vps.ramGb} ГБ RAM · ${disk}`