diff --git a/apps/web/src/components/topology/edge-edit-sheet.tsx b/apps/web/src/components/topology/edge-edit-sheet.tsx
new file mode 100644
index 0000000..9c8f14a
--- /dev/null
+++ b/apps/web/src/components/topology/edge-edit-sheet.tsx
@@ -0,0 +1,145 @@
+import { useEffect, useState } from 'react'
+import { Input } from '@cfdm/ui/components/input'
+import { Textarea } from '@cfdm/ui/components/textarea'
+import { FormSheet } from '@/components/form-sheet'
+import { FormField } from '@/components/form-field'
+import { SelectField } from '@/components/select-field'
+import {
+  EDGE_DIRECTION_OPTIONS,
+  EDGE_RELATION_OPTIONS,
+  defaultEdgeData,
+  type TopologyEdgeData,
+  type TopologyEdgeDirection,
+  type TopologyEdgeRelation,
+} from './types'
+
+interface EdgeEditSheetProps {
+  edgeId: string | null
+  data: TopologyEdgeData | null
+  open: boolean
+  locked?: boolean
+  onOpenChange: (open: boolean) => void
+  onSave: (edgeId: string, data: TopologyEdgeData) => void
+}
+
+export function EdgeEditSheet({
+  edgeId,
+  data,
+  open,
+  locked,
+  onOpenChange,
+  onSave,
+}: EdgeEditSheetProps) {
+  const [relation, setRelation] = useState<TopologyEdgeRelation>('network')
+  const [label, setLabel] = useState('')
+  const [lineStyle, setLineStyle] = useState<'solid' | 'dashed'>('solid')
+  const [direction, setDirection] = useState<TopologyEdgeDirection>('forward')
+  const [protocol, setProtocol] = useState('')
+  const [notes, setNotes] = useState('')
+
+  useEffect(() => {
+    const d = data ?? defaultEdgeData()
+    setRelation(d.relation ?? 'network')
+    setLabel(d.label ?? '')
+    setLineStyle(d.lineStyle ?? 'solid')
+    setDirection(d.direction ?? 'forward')
+    setProtocol(d.protocol ?? '')
+    setNotes(d.notes ?? '')
+  }, [data, edgeId, open])
+
+  return (
+    <FormSheet
+      open={open}
+      onOpenChange={onOpenChange}
+      title="Параметры связи"
+      description={
+        locked
+          ? 'Схема заблокирована — только просмотр'
+          : 'Тип связи и подпись отображаются на схеме'
+      }
+      submitLabel="Сохранить"
+      submitDisabled={locked || !edgeId}
+      onSubmit={() => {
+        if (!edgeId || locked) return
+        onSave(edgeId, {
+          relation,
+          label: label.trim(),
+          lineStyle,
+          direction,
+          protocol: protocol.trim(),
+          notes: notes.trim(),
+        })
+        onOpenChange(false)
+      }}
+    >
+      <FormField label="Тип связи" htmlFor="edge-relation">
+        <SelectField
+          triggerId="edge-relation"
+          value={relation}
+          onValueChange={(v) => {
+            if (v && EDGE_RELATION_OPTIONS.some((o) => o.value === v)) {
+              setRelation(v as TopologyEdgeRelation)
+            }
+          }}
+          options={EDGE_RELATION_OPTIONS}
+          disabled={locked}
+        />
+      </FormField>
+      <FormField label="Подпись на схеме" htmlFor="edge-label">
+        <Input
+          id="edge-label"
+          value={label}
+          onChange={(e) => setLabel(e.target.value)}
+          disabled={locked}
+          maxLength={60}
+          placeholder="Например: eth0 / 10 Gbit"
+        />
+      </FormField>
+      <FormField label="Направление" htmlFor="edge-direction">
+        <SelectField
+          triggerId="edge-direction"
+          value={direction}
+          onValueChange={(v) => {
+            if (v === 'forward' || v === 'bidirectional' || v === 'none') setDirection(v)
+          }}
+          options={EDGE_DIRECTION_OPTIONS}
+          disabled={locked}
+        />
+      </FormField>
+      <FormField label="Стиль линии" htmlFor="edge-style">
+        <SelectField
+          triggerId="edge-style"
+          value={lineStyle}
+          onValueChange={(v) => {
+            if (v === 'solid' || v === 'dashed') setLineStyle(v)
+          }}
+          options={[
+            { value: 'solid', label: 'Сплошная' },
+            { value: 'dashed', label: 'Пунктир' },
+          ]}
+          disabled={locked}
+        />
+      </FormField>
+      <FormField label="Протокол / порт" htmlFor="edge-protocol">
+        <Input
+          id="edge-protocol"
+          value={protocol}
+          onChange={(e) => setProtocol(e.target.value)}
+          disabled={locked}
+          maxLength={40}
+          placeholder="TCP/443, WireGuard, BGP…"
+        />
+      </FormField>
+      <FormField label="Заметки" htmlFor="edge-notes">
+        <Textarea
+          id="edge-notes"
+          value={notes}
+          onChange={(e) => setNotes(e.target.value)}
+          disabled={locked}
+          rows={3}
+          maxLength={500}
+        />
+      </FormField>
+    </FormSheet>
+  )
+}
diff --git a/apps/web/src/components/topology/edge-utils.ts b/apps/web/src/components/topology/edge-utils.ts
new file mode 100644
index 0000000..8677d25
--- /dev/null
+++ b/apps/web/src/components/topology/edge-utils.ts
@@ -0,0 +1,55 @@
+import { MarkerType, type Edge } from '@xyflow/react'
+import {
+  defaultEdgeData,
+  edgeRelationLabel,
+  type TopologyEdgeData,
+} from './types'
+
+export function applyEdgeVisuals(
+  edge: Edge<TopologyEdgeData>,
+  data: TopologyEdgeData,
+): Edge<TopologyEdgeData> {
+  const direction = data.direction ?? 'forward'
+  const lineStyle = data.lineStyle ?? 'solid'
+  const label =
+    data.label?.trim() ||
+    (data.protocol?.trim()
+      ? `${edgeRelationLabel(data.relation)} · ${data.protocol.trim()}`
+      : edgeRelationLabel(data.relation))
+
+  return {
+    ...edge,
+    type: 'smoothstep',
+    label,
+    data,
+    style: {
+      ...edge.style,
+      strokeDasharray: lineStyle === 'dashed' ? '6 4' : undefined,
+    },
+    markerEnd:
+      direction === 'none'
+        ? undefined
+        : { type: MarkerType.ArrowClosed, width: 16, height: 16 },
+    markerStart:
+      direction === 'bidirectional'
+        ? { type: MarkerType.ArrowClosed, width: 16, height: 16 }
+        : undefined,
+  }
+}
+
+export function createConnectedEdge(
+  connection: { source: string; target: string; sourceHandle?: string | null; targetHandle?: string | null },
+): Edge<TopologyEdgeData> {
+  const data = defaultEdgeData()
+  return applyEdgeVisuals(
+    {
+      id: `e-${connection.source}-${connection.target}-${Date.now().toString(36)}`,
+      source: connection.source,
+      target: connection.target,
+      sourceHandle: connection.sourceHandle ?? undefined,
+      targetHandle: connection.targetHandle ?? undefined,
+      data,
+    },
+    data,
+  )
+}
diff --git a/apps/web/src/components/topology/element-edit-sheet.tsx b/apps/web/src/components/topology/element-edit-sheet.tsx
new file mode 100644
index 0000000..1e72de6
--- /dev/null
+++ b/apps/web/src/components/topology/element-edit-sheet.tsx
@@ -0,0 +1,157 @@
+import { useEffect, useState } from 'react'
+import { Input } from '@cfdm/ui/components/input'
+import { Textarea } from '@cfdm/ui/components/textarea'
+import { FormSheet } from '@/components/form-sheet'
+import { FormField } from '@/components/form-field'
+import { SelectField } from '@/components/select-field'
+import {
+  SHAPE_KIND_OPTIONS,
+  type GroupNodeData,
+  type NoteNodeData,
+  type ShapeKind,
+  type ShapeNodeData,
+  type TopologyNodeType,
+} from './types'
+
+export type EditableElement =
+  | { kind: 'shape'; id: string; data: ShapeNodeData }
+  | { kind: 'note'; id: string; data: NoteNodeData }
+  | { kind: 'group'; id: string; data: GroupNodeData }
+
+interface ElementEditSheetProps {
+  element: EditableElement | null
+  open: boolean
+  locked?: boolean
+  onOpenChange: (open: boolean) => void
+  onSave: (id: string, type: TopologyNodeType, data: ShapeNodeData | NoteNodeData | GroupNodeData) => void
+}
+
+export function ElementEditSheet({
+  element,
+  open,
+  locked,
+  onOpenChange,
+  onSave,
+}: ElementEditSheetProps) {
+  const [label, setLabel] = useState('')
+  const [text, setText] = useState('')
+  const [notes, setNotes] = useState('')
+  const [kind, setKind] = useState<ShapeKind>('rect')
+
+  useEffect(() => {
+    if (!element) return
+    if (element.kind === 'shape') {
+      setLabel(element.data.label ?? '')
+      setKind(element.data.kind ?? 'rect')
+      setText('')
+      setNotes('')
+    } else if (element.kind === 'note') {
+      setText(element.data.text ?? '')
+      setLabel('')
+      setNotes('')
+    } else {
+      setLabel(element.data.label ?? '')
+      setNotes(element.data.notes ?? '')
+      setText('')
+    }
+  }, [element, open])
+
+  const title =
+    element?.kind === 'shape'
+      ? 'Параметры блока'
+      : element?.kind === 'note'
+        ? 'Параметры заметки'
+        : 'Параметры группы'
+
+  return (
+    <FormSheet
+      open={open}
+      onOpenChange={onOpenChange}
+      title={title}
+      description={
+        locked
+          ? 'Схема заблокирована — только просмотр'
+          : 'Изменения сохранятся на схеме'
+      }
+      submitLabel="Сохранить"
+      submitDisabled={locked || !element}
+      onSubmit={() => {
+        if (!element || locked) return
+        if (element.kind === 'shape') {
+          onSave(element.id, 'shape', { kind, label: label.trim() || 'Блок' })
+        } else if (element.kind === 'note') {
+          onSave(element.id, 'note', { text: text.trim() || 'Заметка' })
+        } else {
+          onSave(element.id, 'group', {
+            label: label.trim() || 'Группа',
+            notes: notes.trim() || undefined,
+          })
+        }
+        onOpenChange(false)
+      }}
+    >
+      {element?.kind === 'shape' ? (
+        <>
+          <FormField label="Подпись" htmlFor="shape-label">
+            <Input
+              id="shape-label"
+              value={label}
+              onChange={(e) => setLabel(e.target.value)}
+              disabled={locked}
+              maxLength={80}
+            />
+          </FormField>
+          <FormField label="Форма" htmlFor="shape-kind">
+            <SelectField
+              triggerId="shape-kind"
+              value={kind}
+              onValueChange={(v) => {
+                if (v === 'rect' || v === 'ellipse' || v === 'diamond') setKind(v)
+              }}
+              options={SHAPE_KIND_OPTIONS}
+              disabled={locked}
+            />
+          </FormField>
+        </>
+      ) : null}
+
+      {element?.kind === 'note' ? (
+        <FormField label="Текст" htmlFor="note-text">
+          <Textarea
+            id="note-text"
+            value={text}
+            onChange={(e) => setText(e.target.value)}
+            disabled={locked}
+            rows={6}
+            maxLength={2000}
+          />
+        </FormField>
+      ) : null}
+
+      {element?.kind === 'group' ? (
+        <>
+          <FormField label="Название" htmlFor="group-label">
+            <Input
+              id="group-label"
+              value={label}
+              onChange={(e) => setLabel(e.target.value)}
+              disabled={locked}
+              maxLength={80}
+            />
+          </FormField>
+          <FormField label="Заметки" htmlFor="group-notes">
+            <Textarea
+              id="group-notes"
+              value={notes}
+              onChange={(e) => setNotes(e.target.value)}
+              disabled={locked}
+              rows={4}
+              maxLength={1000}
+              placeholder="Например: subnet 192.168.0.0/24"
+            />
+          </FormField>
+        </>
+      ) : null}
+    </FormSheet>
+  )
+}
diff --git a/apps/web/src/components/topology/nodes/group-node.tsx b/apps/web/src/components/topology/nodes/group-node.tsx
index ea01bc5..5cccba4 100644
--- a/apps/web/src/components/topology/nodes/group-node.tsx
+++ b/apps/web/src/components/topology/nodes/group-node.tsx
@@ -12,8 +12,15 @@ function GroupNodeComponent({ data, selected }: NodeProps & { data: GroupNodeDat
       )}
     >
       <NodeResizer minWidth={200} minHeight={120} isVisible={selected} />
-      <div className="px-3 py-2 text-xs font-medium text-muted-foreground">
-        {data.label || 'Группа'}
+      <div className="flex flex-col gap-0.5 px-3 py-2">
+        <div className="text-xs font-medium text-foreground">
+          {data.label || 'Группа'}
+        </div>
+        {data.notes ? (
+          <div className="text-[10px] text-muted-foreground whitespace-pre-wrap">
+            {data.notes}
+          </div>
+        ) : null}
       </div>
     </div>
   )
diff --git a/apps/web/src/components/topology/topology-editor.tsx b/apps/web/src/components/topology/topology-editor.tsx
index b412a5e..825dd73 100644
--- a/apps/web/src/components/topology/topology-editor.tsx
+++ b/apps/web/src/components/topology/topology-editor.tsx
@@ -35,15 +35,27 @@ import { TopologyPalette, parsePaletteDrag, shapeLabel } from './palette'
 import { TopologyToolbar } from './toolbar'
 import { AddVpsSheet } from './add-vps-sheet'
 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 {
+  defaultEdgeData,
+  isGroupNodeData,
+  isNoteNodeData,
+  isShapeNodeData,
   isVpsNodeData,
   newNodeId,
+  type GroupNodeData,
+  type NoteNodeData,
   type PaletteItem,
+  type ShapeNodeData,
+  type TopologyEdgeData,
   type TopologyNodeData,
   type TopologyNodeType,
 } from './types'
 
 type FlowNode = Node<TopologyNodeData, TopologyNodeType>
+type FlowEdge = Edge<TopologyEdgeData>
 
 interface TopologyEditorProps {
   diagramId: string
@@ -77,11 +89,18 @@ function TopologyEditorInner({
     useReactFlow()
 
   const [nodes, setNodes, onNodesChangeBase] = useNodesState<FlowNode>(initialNodes)
-  const [edges, setEdges, onEdgesChangeBase] = useEdgesState(initialEdges)
+  const [edges, setEdges, onEdgesChangeBase] = useEdgesState<FlowEdge>(
+    normalizeEdges(initialEdges),
+  )
   const [zoomPercent, setZoomPercent] = useState(100)
   const [addVpsOpen, setAddVpsOpen] = useState(false)
   const [detailVpsId, setDetailVpsId] = useState<string | null>(null)
   const [detailOpen, setDetailOpen] = useState(false)
+  const [editElement, setEditElement] = useState<EditableElement | null>(null)
+  const [elementOpen, setElementOpen] = useState(false)
+  const [editEdgeId, setEditEdgeId] = useState<string | null>(null)
+  const [editEdgeData, setEditEdgeData] = useState<TopologyEdgeData | null>(null)
+  const [edgeOpen, setEdgeOpen] = useState(false)
   const skipSave = useRef(false)
   const hydrated = useRef(false)
 
@@ -89,7 +108,12 @@ function TopologyEditorInner({
     skipSave.current = true
     hydrated.current = false
     setNodes(initialNodes)
-    setEdges(initialEdges)
+    setEdges(normalizeEdges(initialEdges))
+    setEditElement(null)
+    setElementOpen(false)
+    setEditEdgeId(null)
+    setEditEdgeData(null)
+    setEdgeOpen(false)
     if (initialViewport) {
       void setViewport(initialViewport)
       setZoomPercent(Math.round((initialViewport.zoom || 1) * 100))
@@ -124,7 +148,7 @@ function TopologyEditorInner({
     [locked, onNodesChangeBase],
   )
 
-  const onEdgesChange: OnEdgesChange = useCallback(
+  const onEdgesChange: OnEdgesChange<FlowEdge> = useCallback(
     (changes) => {
       if (locked) return
       onEdgesChangeBase(changes)
@@ -135,13 +159,15 @@ function TopologyEditorInner({
   const onConnect: OnConnect = useCallback(
     (connection: Connection) => {
       if (locked) return
+      if (!connection.source || !connection.target) return
       setEdges((eds) =>
         addEdge(
-          {
-            ...connection,
-            type: 'smoothstep',
-            markerEnd: { type: MarkerType.ArrowClosed, width: 16, height: 16 },
-          },
+          createConnectedEdge({
+            source: connection.source,
+            target: connection.target,
+            sourceHandle: connection.sourceHandle,
+            targetHandle: connection.targetHandle,
+          }),
           eds,
         ),
       )
@@ -237,7 +263,45 @@ function TopologyEditorInner({
     if (node.type === 'vps' && isVpsNodeData(node.data)) {
       setDetailVpsId(node.data.vpsId)
       setDetailOpen(true)
+      return
     }
+    if (node.type === 'shape' && isShapeNodeData(node.data)) {
+      setEditElement({ kind: 'shape', id: node.id, data: node.data })
+      setElementOpen(true)
+      return
+    }
+    if (node.type === 'note' && isNoteNodeData(node.data)) {
+      setEditElement({ kind: 'note', id: node.id, data: node.data })
+      setElementOpen(true)
+      return
+    }
+    if (node.type === 'group' && isGroupNodeData(node.data)) {
+      setEditElement({ kind: 'group', id: node.id, data: node.data })
+      setElementOpen(true)
+    }
+  }
+
+  function onEdgeClick(_e: ReactMouseEvent, edge: FlowEdge) {
+    const data = edge.data ?? defaultEdgeData()
+    setEditEdgeId(edge.id)
+    setEditEdgeData(data)
+    setEdgeOpen(true)
+  }
+
+  function handleSaveElement(
+    id: string,
+    type: TopologyNodeType,
+    data: ShapeNodeData | NoteNodeData | GroupNodeData,
+  ) {
+    setNodes((ns) =>
+      ns.map((n) => (n.id === id && n.type === type ? { ...n, data } : n)),
+    )
+  }
+
+  function handleSaveEdge(edgeId: string, data: TopologyEdgeData) {
+    setEdges((eds) =>
+      eds.map((e) => (e.id === edgeId ? applyEdgeVisuals(e, data) : e)),
+    )
   }
 
   async function handleExport() {
@@ -286,6 +350,7 @@ function TopologyEditorInner({
         onEdgesChange={onEdgesChange}
         onConnect={onConnect}
         onNodeClick={onNodeClick}
+        onEdgeClick={onEdgeClick}
         onDrop={onDrop}
         onDragOver={onDragOver}
         onMoveEnd={(_, vp) => {
@@ -343,10 +408,32 @@ function TopologyEditorInner({
         open={detailOpen}
         onOpenChange={setDetailOpen}
       />
+      <ElementEditSheet
+        element={editElement}
+        open={elementOpen}
+        locked={locked}
+        onOpenChange={setElementOpen}
+        onSave={handleSaveElement}
+      />
+      <EdgeEditSheet
+        edgeId={editEdgeId}
+        data={editEdgeData}
+        open={edgeOpen}
+        locked={locked}
+        onOpenChange={setEdgeOpen}
+        onSave={handleSaveEdge}
+      />
     </div>
   )
 }
 
+function normalizeEdges(edges: Edge[]): FlowEdge[] {
+  return edges.map((edge) => {
+    const data = { ...defaultEdgeData(), ...(edge.data as TopologyEdgeData | undefined) }
+    return applyEdgeVisuals({ ...edge, data }, data)
+  })
+}
+
 export function TopologyEditor(props: TopologyEditorProps) {
   return (
     <ReactFlowProvider>
diff --git a/apps/web/src/components/topology/types.ts b/apps/web/src/components/topology/types.ts
index 11996e2..8ec4e68 100644
--- a/apps/web/src/components/topology/types.ts
+++ b/apps/web/src/components/topology/types.ts
@@ -22,6 +22,7 @@ export type NoteNodeData = {
 
 export type GroupNodeData = {
   label: string
+  notes?: string
 }
 
 export type TopologyNodeData =
@@ -30,8 +31,28 @@ export type TopologyNodeData =
   | NoteNodeData
   | GroupNodeData
 
+/** Тип связи на схеме инфраструктуры */
+export type TopologyEdgeRelation =
+  | 'network'
+  | 'dependency'
+  | 'tunnel'
+  | 'vpn'
+  | 'sync'
+  | 'custom'
+
+export type TopologyEdgeDirection = 'forward' | 'bidirectional' | 'none'
+
+export type TopologyEdgeData = {
+  relation: TopologyEdgeRelation
+  label?: string
+  lineStyle?: 'solid' | 'dashed'
+  direction?: TopologyEdgeDirection
+  protocol?: string
+  notes?: string
+}
+
 export type TopologyFlowNode = Node<TopologyNodeData, TopologyNodeType>
-export type TopologyFlowEdge = Edge
+export type TopologyFlowEdge = Edge<TopologyEdgeData>
 
 export type PaletteItem =
   | { kind: 'shape'; shape: ShapeKind; label: string }
@@ -39,10 +60,58 @@ export type PaletteItem =
   | { kind: 'group'; label: string }
   | { kind: 'vps-picker'; label: string }
 
+export const EDGE_RELATION_OPTIONS: { value: TopologyEdgeRelation; label: string }[] = [
+  { value: 'network', label: 'Сеть / L2–L3' },
+  { value: 'dependency', label: 'Зависимость сервиса' },
+  { value: 'tunnel', label: 'Туннель' },
+  { value: 'vpn', label: 'VPN' },
+  { value: 'sync', label: 'Синхронизация / репликация' },
+  { value: 'custom', label: 'Произвольная' },
+]
+
+export const EDGE_DIRECTION_OPTIONS: { value: TopologyEdgeDirection; label: string }[] = [
+  { value: 'forward', label: 'Односторонняя →' },
+  { value: 'bidirectional', label: 'Двусторонняя ↔' },
+  { value: 'none', label: 'Без стрелок' },
+]
+
+export const SHAPE_KIND_OPTIONS: { value: ShapeKind; label: string }[] = [
+  { value: 'rect', label: 'Прямоугольник' },
+  { value: 'ellipse', label: 'Эллипс' },
+  { value: 'diamond', label: 'Ромб' },
+]
+
 export function isVpsNodeData(data: TopologyNodeData): data is VpsNodeData {
   return 'vpsId' in data
 }
 
+export function isShapeNodeData(data: TopologyNodeData): data is ShapeNodeData {
+  return 'kind' in data && 'label' in data && !('vpsId' in data) && !('text' in data)
+}
+
+export function isNoteNodeData(data: TopologyNodeData): data is NoteNodeData {
+  return 'text' in data
+}
+
+export function isGroupNodeData(data: TopologyNodeData): data is GroupNodeData {
+  return 'label' in data && !('kind' in data) && !('vpsId' in data) && !('text' in data)
+}
+
+export function defaultEdgeData(): TopologyEdgeData {
+  return {
+    relation: 'network',
+    label: '',
+    lineStyle: 'solid',
+    direction: 'forward',
+    protocol: '',
+    notes: '',
+  }
+}
+
+export function edgeRelationLabel(relation: TopologyEdgeRelation): string {
+  return EDGE_RELATION_OPTIONS.find((o) => o.value === relation)?.label ?? 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}`