diff --git a/src/components/GamePage.vue b/src/components/GamePage.vue
index 51ad121..a4d4fcd 100644
--- a/src/components/GamePage.vue
+++ b/src/components/GamePage.vue
@@ -19,7 +19,7 @@ import {
   type UploadFileInfo,
 } from 'naive-ui'
 import { useMessage } from 'naive-ui'
-import { computed, ref } from 'vue'
+import { computed, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 
 import { getAuthClient } from '@/api/auth_client'
@@ -46,11 +46,13 @@ import type {
 } from '@/api/generated/crabs/evening_detective_server'
 import GameMapPanel from '@/components/GameMapPanel.vue'
 import GameScreensPanel from '@/components/GameScreensPanel.vue'
+import GameStatePanel from '@/components/GameStatePanel.vue'
 import GameTeamsPanel from '@/components/GameTeamsPanel.vue'
 import HeaderMenu from '@/components/HeaderMenu.vue'
 import TicketCheckModal from '@/components/TicketCheckModal.vue'
 import UiBlock from '@/components/UiBlock.vue'
 import { useDeviceContext } from '@/composables/useDeviceContext'
+import { useGameState } from '@/composables/useGameState'
 import { useSimplePolling } from '@/composables/useSimplePolling'
 import { useAuthStore } from '@/stores/auth'
 import { useUIStore } from '@/stores/ui'
@@ -65,23 +67,30 @@ const isDownloadingQR = ref(false)
 const router = useRouter()
 const route = useRoute()
 const gameId = route.params.id
-useDeviceContext(() => ({ organizerGameID: Number(gameId) }))
-type GameTab = 'settings' | 'teams' | 'screens' | 'game' | 'payment' | 'answers'
+
+type GameTab = 'settings' | 'teams' | 'screens' | 'game' | 'payment' | 'answers' | 'state'
 
 function isGameTab(value: string): value is GameTab {
-  return ['settings', 'teams', 'screens', 'game', 'payment', 'answers'].includes(value)
+  return ['settings', 'teams', 'screens', 'game', 'payment', 'answers', 'state'].includes(value)
 }
 
 const queryTab = typeof route.query.tab === 'string' ? route.query.tab : ''
 const activeTab = ref<GameTab>(isGameTab(queryTab) ? queryTab : 'game')
 
 async function setActiveTab(value: string) {
-  if (!isGameTab(value)) return
+  if (!isGameTab(value) || (value === 'state' ? !canViewState.value : !canManageGame.value)) return
   activeTab.value = value
   await router.replace({ query: { ...route.query, tab: value } })
   if (value === 'answers') await loadGameAnswers()
 }
 
+function onStateTabKeydown(event: KeyboardEvent) {
+  if (event.key === 'Enter' || event.key === ' ') {
+    event.preventDefault()
+    void setActiveTab('state')
+  }
+}
+
 const message = useMessage()
 
 const settingsDraft = ref({ name: '', description: '', format: 'online', location: '' })
@@ -119,6 +128,55 @@ const game = ref<Game>({
 })
 const authStore = useAuthStore()
 const uiStore = useUIStore()
+const canManageGame = computed(() => authStore.hasAnyRole(['admin', 'organizer', 'author']))
+const canViewState = computed(
+  () =>
+    uiStore.environment === 'venue' &&
+    authStore.hasAnyRole(['admin', 'organizer', 'developer']),
+)
+const isStateOnly = computed(() => canViewState.value && !canManageGame.value)
+useDeviceContext(() => (canManageGame.value ? { organizerGameID: Number(gameId) } : {}))
+const { devices, serverTime, isLoading, hasError, summary, reload } = useGameState(
+  () => Number(route.params.id),
+  () => canViewState.value && activeTab.value === 'state',
+)
+watch(
+  [() => route.query.tab, canViewState, canManageGame],
+  () => {
+    const tab = typeof route.query.tab === 'string' ? route.query.tab : ''
+    activeTab.value = isStateOnly.value
+      ? 'state'
+      : isGameTab(tab) && (tab !== 'state' || canViewState.value)
+        ? tab
+        : 'game'
+    if (isStateOnly.value && tab !== 'state') {
+      void router.replace({ query: { ...route.query, tab: 'state' } })
+    }
+  },
+  { immediate: true },
+)
+watch(
+  isStateOnly,
+  (value) => {
+    if (value) {
+      game.value = {
+        ID: undefined,
+        name: undefined,
+        description: undefined,
+        startAt: undefined,
+        status: undefined,
+        format: undefined,
+        location: undefined,
+        scenario: undefined,
+        teams: undefined,
+        export: undefined,
+      }
+      void getGame(Number(gameId))
+    }
+  },
+  { immediate: true },
+)
+
 const canExport = computed(
   () => uiStore.environment === 'prod' && authStore.hasAnyRole(['admin', 'organizer', 'developer']),
 )
@@ -161,7 +219,9 @@ const screenVolume = ref(100)
 const screenPosition = ref(0)
 
 async function getGame(id: number) {
+  const wasManaging = canManageGame.value
   const res = await client.GetGame({ ID: id })
+  if (wasManaging !== canManageGame.value) return
   game.value = res.game!
   if (!settingsDraftInitialized.value) {
     settingsDraft.value = {
@@ -199,7 +259,7 @@ async function getGame(id: number) {
     return 0
   })
 }
-getGame(Number(gameId))
+if (canManageGame.value) getGame(Number(gameId))
 
 async function getGameScreens() {
   const res = await client.GetGameScreens({ gameID: Number(gameId) })
@@ -215,7 +275,7 @@ async function getGameScreens() {
     previewTeams.value = []
   }
 }
-getGameScreens()
+if (canManageGame.value) getGameScreens()
 
 async function getGameMusic() {
   try {
@@ -226,7 +286,7 @@ async function getGameMusic() {
     message.error(err instanceof Error ? err.message : 'Не удалось получить музыку игры')
   }
 }
-getGameMusic()
+if (canManageGame.value) getGameMusic()
 
 function isScreenPlanEditing() {
   return screenPlanMode.value === 'edit'
@@ -248,7 +308,7 @@ async function getScreenPlan() {
   screenPlan.value = res.plan
   screenPlanDraft.value = res.plan?.steps?.map((step) => ({ ...step })) || []
 }
-getScreenPlan()
+if (canManageGame.value) getScreenPlan()
 
 function addScreenPlanStep() {
   screenPlanDraft.value.push({
@@ -375,7 +435,7 @@ async function getGameMap() {
   if (mapSaving.value || mapDragging.value) return
   mapItems.value = res.items || []
 }
-getGameMap()
+if (canManageGame.value) getGameMap()
 
 async function saveMapItem(item: MapItem, hidden = item.hidden) {
   mapSaving.value = true
@@ -749,7 +809,7 @@ async function issueTickets() {
 }
 
 useSimplePolling(() => {
-  if (isApplyingResults.value) return
+  if (!canManageGame.value || isApplyingResults.value) return
   getGame(Number(gameId))
   getGameScreens()
   getGameMusic()
@@ -857,7 +917,7 @@ async function saveAllScores() {
   await loadGameAnswers()
 }
 
-if (activeTab.value === 'answers') {
+if (canManageGame.value && activeTab.value === 'answers') {
   loadGameAnswers()
 }
 
@@ -904,7 +964,9 @@ useSimplePolling(() => {
 <template>
   <div class="center-block-custom">
     <div class="width1200">
-      <UiBlock v-if="game.export?.state === 'preparing' || game.export?.state === 'ready'">
+      <UiBlock
+        v-if="canManageGame && (game.export?.state === 'preparing' || game.export?.state === 'ready')"
+      >
         <n-alert
           type="info"
           :title="game.export.state === 'ready' ? 'Игра в офлайн-режиме' : 'Подготовка офлайн-пакета'"
@@ -916,8 +978,9 @@ useSimplePolling(() => {
           }}
         </n-alert>
       </UiBlock>
+      <UiBlock v-if="isStateOnly"><h2>{{ game.name }}</h2></UiBlock>
       <n-tabs :value="activeTab" type="line" animated @update:value="setActiveTab">
-        <n-tab-pane name="settings" tab="Настройки">
+        <n-tab-pane v-if="canManageGame" name="settings" tab="Настройки">
           <div class="game-tab-content">
             <UiBlock>
               <n-flex justify="end">
@@ -1079,7 +1142,7 @@ useSimplePolling(() => {
             </UiBlock>
           </div>
         </n-tab-pane>
-        <n-tab-pane name="teams" tab="Команды">
+        <n-tab-pane v-if="canManageGame" name="teams" tab="Команды">
           <div class="game-tab-content">
             <n-flex justify="space-between" align="center">
               <n-tag :bordered="false" type="info"> Участвуют команд: {{ activeTeamCount }} </n-tag>
@@ -1104,7 +1167,7 @@ useSimplePolling(() => {
             />
           </div>
         </n-tab-pane>
-        <n-tab-pane name="screens" tab="Экраны">
+        <n-tab-pane v-if="canManageGame" name="screens" tab="Экраны">
           <div class="game-tab-content">
             <GameScreensPanel
               :screens="screens"
@@ -1122,7 +1185,7 @@ useSimplePolling(() => {
             />
           </div>
         </n-tab-pane>
-        <n-tab-pane name="game" tab="Игра">
+        <n-tab-pane v-if="canManageGame" name="game" tab="Игра">
           <div class="game-tab-content">
             <UiBlock>
               <n-flex justify="space-between">
@@ -1224,7 +1287,7 @@ useSimplePolling(() => {
             />
           </div>
         </n-tab-pane>
-        <n-tab-pane name="payment" tab="Оплата">
+        <n-tab-pane v-if="canManageGame" name="payment" tab="Оплата">
           <div class="game-tab-content">
             <UiBlock>
               <n-flex align="center" justify="space-between">
@@ -1252,7 +1315,7 @@ useSimplePolling(() => {
             </UiBlock>
           </div>
         </n-tab-pane>
-        <n-tab-pane name="answers" tab="Проверка ответов">
+        <n-tab-pane v-if="canManageGame" name="answers" tab="Проверка ответов">
           <div class="game-tab-content">
             <div v-if="answersQuestions.length == 0" class="answers-empty">
               Вопросы дела не заданы или команды ещё не отвечали.
@@ -1284,14 +1347,34 @@ useSimplePolling(() => {
             </n-flex>
           </div>
         </n-tab-pane>
+        <n-tab-pane
+          v-if="canViewState"
+          name="state"
+          tab="Состояние"
+          :tab-props="{
+            tabindex: 0,
+            role: 'tab',
+            'aria-selected': activeTab === 'state',
+            onKeydown: onStateTabKeydown,
+          }"
+        >
+          <GameStatePanel
+            :devices="devices"
+            :server-time="serverTime"
+            :is-loading="isLoading"
+            :has-error="hasError"
+            :summary="summary"
+            @reload="reload"
+          />
+        </n-tab-pane>
       </n-tabs>
     </div>
   </div>
 
-  <TicketCheckModal v-model:show="showTicketCheckModal" />
+  <TicketCheckModal v-if="canManageGame" v-model:show="showTicketCheckModal" />
 
   <!-- Окно выдачи улик -->
-  <n-modal v-model:show="showGiveApplicationModal">
+  <n-modal v-if="canManageGame" v-model:show="showGiveApplicationModal">
     <n-card
       style="width: 600px"
       title="Настройки игры"
@@ -1354,7 +1437,7 @@ useSimplePolling(() => {
   </n-modal>
 
   <!-- Окно создания команды -->
-  <n-modal v-model:show="showAddTeamModal">
+  <n-modal v-if="canManageGame" v-model:show="showAddTeamModal">
     <n-card
       style="width: 600px"
       title="Создание команды"
@@ -1392,7 +1475,7 @@ useSimplePolling(() => {
   </n-modal>
 
   <!-- Окно создания команды -->
-  <n-modal v-model:show="showDeleteTeamModal">
+  <n-modal v-if="canManageGame" v-model:show="showDeleteTeamModal">
     <n-card
       style="width: 600px"
       title="Удаление команды"
@@ -1423,7 +1506,7 @@ useSimplePolling(() => {
   </n-modal>
 
   <!-- Окно удаления игры -->
-  <n-modal v-model:show="showDeleteGameModal">
+  <n-modal v-if="canManageGame" v-model:show="showDeleteGameModal">
     <n-card
       style="width: 600px"
       title="Удаление игры"
@@ -1457,7 +1540,7 @@ useSimplePolling(() => {
     </n-card>
   </n-modal>
 
-  <n-modal v-model:show="showQR">
+  <n-modal v-if="canManageGame" v-model:show="showQR">
     <n-card
       style="width: 600px"
       :title="titleQR"
@@ -1479,7 +1562,7 @@ useSimplePolling(() => {
     </n-card>
   </n-modal>
 
-  <n-modal v-model:show="showReviewsModal">
+  <n-modal v-if="canManageGame" v-model:show="showReviewsModal">
     <n-card
       style="width: min(94vw, 800px)"
       title="Отзывы игры"
diff --git a/src/components/GameStatePanel.vue b/src/components/GameStatePanel.vue
new file mode 100644
index 0000000..6e5138a
--- /dev/null
+++ b/src/components/GameStatePanel.vue
@@ -0,0 +1,74 @@
+<script setup lang="ts">
+import { NAlert, NButton, NCollapse, NCollapseItem, NFlex, NSpin, NTag } from 'naive-ui'
+
+import type { VenueDevice } from '@/api/generated/crabs/evening_detective_server'
+import UiBlock from '@/components/UiBlock.vue'
+import { formatGameDateTime } from '@/utils/datetime'
+
+defineProps<{
+  devices: VenueDevice[]
+  serverTime?: string
+  isLoading: boolean
+  hasError: boolean
+  summary: { connected: number; disconnected: number; connections: number }
+}>()
+defineEmits<{ reload: [] }>()
+const kinds: Record<string, string> = {
+  browser: 'Браузер',
+  organizer: 'Организатор',
+  team: 'Команда',
+  screen: 'Экран',
+}
+</script>
+
+<template>
+  <UiBlock>
+    <n-flex>
+      <n-tag type="success">Доступны: {{ summary.connected }}</n-tag>
+      <n-tag type="warning">Нет связи: {{ summary.disconnected }}</n-tag>
+      <n-tag>Подключения: {{ summary.connections }}</n-tag>
+    </n-flex>
+    <p v-if="serverTime">Последнее обновление: {{ formatGameDateTime(serverTime) }}</p>
+    <p>«Нет связи» означает отсутствие heartbeat сайта. UUID обозначает браузерный профиль.</p>
+    <n-alert v-if="hasError" type="error" title="Не удалось обновить состояние">
+      <n-button :loading="isLoading" @click="$emit('reload')">Повторить</n-button>
+    </n-alert>
+    <n-spin v-if="isLoading && !serverTime" />
+    <p v-else-if="!hasError && !serverTime && !isLoading">Загружаем состояние…</p>
+    <p v-else-if="serverTime && !devices.length">Устройства этой игры пока не зарегистрированы</p>
+  </UiBlock>
+  <UiBlock v-for="device in devices" :key="device.ID">
+    <div class="device-details">
+      <strong>{{ device.ID }}</strong>
+      <p>
+        <n-tag :type="device.connected ? 'success' : 'warning'">{{
+          device.connected ? 'Доступно' : 'Нет связи'
+        }}</n-tag>
+      </p>
+      <p>Последнее обращение: {{ formatGameDateTime(device.lastSeenAt) || '—' }}</p>
+      <n-collapse>
+        <n-collapse-item title="Подключения" :name="device.ID || ''">
+          <div v-for="connection in device.connections" :key="connection.ID" class="connection">
+            <strong>{{ kinds[connection.kind || ''] || connection.kind }}</strong>
+            <p v-if="connection.teamID">ID команды: {{ connection.teamID }}</p>
+            <p v-if="connection.screenID">ID экрана: {{ connection.screenID }}</p>
+            <p>{{ connection.connected ? 'Доступно' : 'Нет связи' }}</p>
+            <p>Последнее обращение: {{ formatGameDateTime(connection.lastSeenAt) || '—' }}</p>
+            <p>IP: {{ connection.IP || '—' }}</p>
+            <p>User-Agent: {{ connection.userAgent || '—' }}</p>
+          </div>
+        </n-collapse-item>
+      </n-collapse>
+    </div>
+  </UiBlock>
+</template>
+
+<style scoped>
+.device-details {
+  overflow-wrap: anywhere;
+}
+
+.connection {
+  margin-top: 16px;
+}
+</style>
diff --git a/src/components/GamesPage.vue b/src/components/GamesPage.vue
index b40d894..7284af8 100644
--- a/src/components/GamesPage.vue
+++ b/src/components/GamesPage.vue
@@ -34,6 +34,7 @@ const games = ref<Game[]>([])
 const uiStore = useUIStore()
 const authStore = useAuthStore()
 const binaryClient = getBinaryClient()
+const canManageGame = computed(() => authStore.hasAnyRole(['admin', 'organizer', 'author']))
 const canImport = computed(
   () =>
     uiStore.environment === 'venue' && authStore.hasAnyRole(['admin', 'organizer', 'developer']),
@@ -202,7 +203,7 @@ async function createGame() {
   <div class="center-block-custom">
     <div class="width1200">
       <n-button v-if="canImport" @click="openImport">Импорт игры</n-button>
-      <div class="game-block game-block-hover" @click="openCreateGame()">
+      <div v-if="canManageGame" class="game-block game-block-hover" @click="openCreateGame()">
         <div class="game-create-content">
           <span class="game-create-plus">+</span>
           <span>Создать игру</span>
@@ -226,7 +227,7 @@ async function createGame() {
           Начало: {{ formatGameDateTime(game.startAt) }}
         </div>
         <div v-if="game.location" class="game-date">Место: {{ game.location }}</div>
-        <div v-if="game.status == 'finish'" class="game-actions">
+        <div v-if="canManageGame && game.status == 'finish'" class="game-actions">
           <n-button size="small" ghost @click.stop="toResults(game.ID!)">Результаты</n-button>
         </div>
       </div>
diff --git a/src/composables/__tests__/gameState.test.ts b/src/composables/__tests__/gameState.test.ts
new file mode 100644
index 0000000..7d48c4f
--- /dev/null
+++ b/src/composables/__tests__/gameState.test.ts
@@ -0,0 +1,141 @@
+import assert from 'node:assert/strict'
+import { after, test } from 'node:test'
+import { fileURLToPath } from 'node:url'
+
+import { createPinia } from 'pinia'
+import { createServer } from 'vite'
+import { createRenderer, nextTick, ref } from 'vue'
+
+const server = await createServer({
+  configFile: false,
+  root: fileURLToPath(new URL('../../..', import.meta.url)),
+  resolve: { alias: { '@': fileURLToPath(new URL('../..', import.meta.url)) } },
+  server: { middlewareMode: true, hmr: false, ws: false },
+})
+const { useGameState } = await server.ssrLoadModule('/src/composables/useGameState.ts')
+const originalFetch = globalThis.fetch
+const originalWindow = Object.getOwnPropertyDescriptor(globalThis, 'window')
+after(async () => {
+  globalThis.fetch = originalFetch
+  if (originalWindow) Object.defineProperty(globalThis, 'window', originalWindow)
+  else Reflect.deleteProperty(globalThis, 'window')
+  await server.close()
+})
+const renderer = createRenderer({
+  patchProp() {},
+  insert() {},
+  remove() {},
+  createElement: () => ({}),
+  createText: () => ({}),
+  createComment: () => ({}),
+  setText() {},
+  setElementText() {},
+  parentNode: () => null,
+  nextSibling: () => null,
+})
+const settle = async () => {
+  await nextTick()
+  await new Promise(setImmediate)
+}
+const response = (devices: unknown[] = []) =>
+  new Response(JSON.stringify({ devices, serverTime: '2026-10-11T10:00:00Z' }), {
+    headers: { 'Content-Type': 'application/json' },
+  })
+
+test('counts, sorting, polling, late responses and recovery', async () => {
+  const active = ref(false)
+  const id = ref(1)
+  let state!: ReturnType<typeof useGameState>
+  let tick!: () => void
+  Object.defineProperty(globalThis, 'window', {
+    configurable: true,
+    value: {
+      setInterval(callback: () => void) {
+        tick = callback
+        return 0
+      },
+    },
+  })
+  let calls = 0
+  let resolve!: (value: Response) => void
+  globalThis.fetch = async () => {
+    calls++
+    return new Promise<Response>((done) => {
+      resolve = done
+    })
+  }
+  const app = renderer.createApp({
+    setup() {
+      state = useGameState(
+        () => id.value,
+        () => active.value,
+      )
+      return () => null
+    },
+  })
+  app.use(createPinia())
+  app.mount({})
+  try {
+    tick()
+    assert.equal(calls, 0)
+    active.value = true
+    assert.equal(calls, 1)
+    tick()
+    void state.reload()
+    assert.equal(calls, 1)
+    resolve(
+      response([
+        { ID: 'b', connected: true, connections: [{}, {}] },
+        { ID: 'z', connected: false },
+        { ID: 'a', connected: false, connections: [{}] },
+      ]),
+    )
+    await settle()
+    assert.deepEqual(
+      state.devices.value.map((d: { ID: string }) => d.ID),
+      ['a', 'z', 'b'],
+    )
+    assert.deepEqual(state.summary.value, { connected: 1, disconnected: 2, connections: 3 })
+    globalThis.fetch = async () => {
+      throw new Error('offline')
+    }
+    await state.reload()
+    assert.equal(state.hasError.value, true)
+    assert.equal(state.devices.value.length, 3)
+    assert.ok(state.serverTime.value)
+    globalThis.fetch = async () => response()
+    await state.reload()
+    assert.equal(state.hasError.value, false)
+    assert.equal(state.devices.value.length, 0)
+    globalThis.fetch = async () => {
+      calls++
+      return new Promise<Response>((done) => {
+        resolve = done
+      })
+    }
+    tick()
+    active.value = false
+    resolve(response([{ ID: 'late' }]))
+    await settle()
+    assert.equal(state.devices.value.length, 0)
+    const stopped = calls
+    tick()
+    assert.equal(calls, stopped)
+    active.value = true
+    const oldResolve = resolve
+    id.value = 2
+    oldResolve(response([{ ID: 'old game' }]))
+    await settle()
+    assert.equal(state.devices.value.length, 0)
+    resolve(response([{ ID: 'new game', connected: true }]))
+    await settle()
+    assert.equal(state.devices.value[0].ID, 'new game')
+    tick()
+    app.unmount()
+    resolve(response([{ ID: 'destroyed' }]))
+    await settle()
+    assert.equal(state.devices.value[0].ID, 'new game')
+  } finally {
+    app.unmount()
+  }
+})
diff --git a/src/composables/useGameState.ts b/src/composables/useGameState.ts
new file mode 100644
index 0000000..8878565
--- /dev/null
+++ b/src/composables/useGameState.ts
@@ -0,0 +1,73 @@
+import { computed, onScopeDispose, ref, watch } from 'vue'
+
+import { getAuthClient } from '@/api/auth_client'
+import type { VenueDevice } from '@/api/generated/crabs/evening_detective_server'
+import { useSimplePolling } from '@/composables/useSimplePolling'
+
+export function useGameState(gameID: () => number, isActive: () => boolean) {
+  const client = getAuthClient()
+  const devices = ref<VenueDevice[]>([])
+  const serverTime = ref<string>()
+  const isLoading = ref(false)
+  const hasError = ref(false)
+  let version = 0
+  let isDisposed = false
+  let isPending = false
+  const summary = computed(() => ({
+    connected: devices.value.filter((device) => device.connected).length,
+    disconnected: devices.value.filter((device) => !device.connected).length,
+    connections: devices.value.reduce(
+      (count, device) => count + (device.connections?.length || 0),
+      0,
+    ),
+  }))
+
+  async function reload() {
+    if (!isActive() || isDisposed || isPending) return
+    const requestVersion = version
+    const id = gameID()
+    isPending = true
+    isLoading.value = true
+    try {
+      const result = await client.GetDevices({ gameID: id })
+      if (isDisposed || !isActive() || requestVersion !== version) return
+      devices.value = [...(result.devices || [])].sort(
+        (a, b) =>
+          Number(!!a.connected) - Number(!!b.connected) || (a.ID || '').localeCompare(b.ID || ''),
+      )
+      serverTime.value = result.serverTime
+      hasError.value = false
+    } catch {
+      if (!isDisposed && isActive() && requestVersion === version) hasError.value = true
+    } finally {
+      isPending = false
+      if (!isDisposed && requestVersion === version) isLoading.value = false
+      // A new context waits for the previous request before starting its own.
+      if (!isDisposed && isActive() && requestVersion !== version) void reload()
+    }
+  }
+
+  watch(
+    [gameID, isActive],
+    ([id], [previousID]) => {
+      version++
+      isLoading.value = false
+      if (id !== previousID) {
+        devices.value = []
+        serverTime.value = undefined
+        hasError.value = false
+      }
+      if (isActive()) void reload()
+    },
+    { flush: 'sync' },
+  )
+  useSimplePolling(() => {
+    void reload()
+  }, 5000)
+  onScopeDispose(() => {
+    isDisposed = true
+    version++
+  })
+
+  return { devices, serverTime, isLoading, hasError, summary, reload }
+}