up

src/components/GameMusicPlanPanel.vue

@@ -0,0 +1,457 @@
+<script setup lang="ts">
+import { Edit, Pause, Play, Repeat, Reset, Stop } from '@vicons/carbon'
+import { Icon } from '@vicons/utils'
+import {
+  NAlert,
+  NButton,
+  NInput,
+  NPopconfirm,
+  NSelect,
+  NSlider,
+  NSpace,
+  NUpload,
+  type UploadFileInfo,
+} from 'naive-ui'
+import { computed, ref, watch } from 'vue'
+
+import type { MusicState, Playlist } from '@/api/generated/crabs/evening_detective_server'
+import UiBlock from '@/components/UiBlock.vue'
+
+const props = defineProps<{
+  playlists: Playlist[]
+  music?: MusicState
+  isBusy: boolean
+}>()
+const emit = defineEmits<{
+  setMusic: [
+    change: {
+      playlistID?: number
+      trackIndex?: number
+      positionMs?: number
+      playback?: MusicState['playback']
+      loop?: boolean
+      volume?: number
+    },
+  ]
+  createPlaylist: [name: string]
+  renamePlaylist: [id: number, name: string]
+  reorderTracks: [playlistID: number, trackIDs: number[]]
+  deletePlaylist: [id: number]
+  uploadTrack: [playlistID: number, file: File]
+  deleteTrack: [playlistID: number, trackID: number]
+}>()
+
+const isEditing = ref(false)
+const selectedId = ref<number | null>(null)
+const name = ref('')
+const newName = ref('')
+const volume = ref(props.music?.volume ?? 100)
+const originalName = ref('')
+const order = ref<number[]>([])
+const originalOrder = ref<number[]>([])
+const selected = computed(() => props.playlists.find((item) => item.ID === selectedId.value))
+const options = computed(() =>
+  props.playlists.map((item) => ({ label: item.name, value: item.ID })),
+)
+const isOrderDirty = computed(
+  () => JSON.stringify(order.value) !== JSON.stringify(originalOrder.value),
+)
+const isNameDirty = computed(() => name.value !== originalName.value)
+const hasConflict = computed(
+  () =>
+    !!selected.value &&
+    JSON.stringify(selected.value.tracks?.map((track) => track.ID) ?? []) !==
+      JSON.stringify(originalOrder.value),
+)
+const canPlay = computed(() => !!props.music?.playlist?.tracks?.length && !props.isBusy)
+const isPlaying = computed(() => props.music?.playback === 'MUSIC_PLAYBACK_PLAYING')
+const playbackLabel = computed(() =>
+  isPlaying.value
+    ? 'Пауза'
+    : props.music?.playback === 'MUSIC_PLAYBACK_PAUSED'
+      ? 'Продолжить'
+      : 'Старт',
+)
+const currentTrack = computed(() => props.music?.playlist?.tracks?.[props.music.trackIndex ?? 0])
+
+function reset() {
+  if (!selected.value) selectedId.value = null
+  name.value = selected.value?.name ?? ''
+  originalName.value = name.value
+  order.value =
+    selected.value?.tracks?.flatMap((track) => (track.ID == null ? [] : [track.ID])) ?? []
+  originalOrder.value = [...order.value]
+}
+function edit() {
+  selectedId.value = props.music?.playlist?.ID ?? props.playlists[0]?.ID ?? null
+  reset()
+  isEditing.value = true
+}
+function finish() {
+  if (
+    (isOrderDirty.value || isNameDirty.value) &&
+    !window.confirm('Отменить несохранённые изменения плейлиста?')
+  )
+    return
+  reset()
+  isEditing.value = false
+}
+function move(index: number, offset: number) {
+  const target = index + offset
+  if (target < 0 || target >= order.value.length) return
+  const [id] = order.value.splice(index, 1)
+  if (id !== undefined) order.value.splice(target, 0, id)
+}
+function uploadTrack(options: { file: UploadFileInfo }) {
+  if (selectedId.value && options.file.file)
+    emit('uploadTrack', selectedId.value, options.file.file)
+}
+function selectTrack(index: number) {
+  if (index === (props.music?.trackIndex ?? 0)) return
+  emit('setMusic', { trackIndex: index, positionMs: 0 })
+}
+watch(
+  () => props.music?.volume,
+  (value) => {
+    volume.value = value ?? 100
+  },
+)
+watch(selectedId, reset)
+watch(
+  () => props.playlists,
+  (items, previous) => {
+    if (!isEditing.value) return
+    const added = items.find((item) => !previous.some((old) => old.ID === item.ID))
+    if (
+      added &&
+      props.isBusy &&
+      added.name === newName.value.trim() &&
+      !isOrderDirty.value &&
+      !isNameDirty.value
+    ) {
+      selectedId.value = added.ID ?? null
+      newName.value = ''
+      reset()
+      return
+    }
+    if (!selected.value) {
+      if (isOrderDirty.value || isNameDirty.value) return
+      selectedId.value = null
+      reset()
+      return
+    }
+    if (!isNameDirty.value || name.value.trim() === selected.value.name) {
+      name.value = selected.value.name ?? ''
+      originalName.value = name.value
+    }
+    const ids =
+      selected.value.tracks?.flatMap((track) => (track.ID == null ? [] : [track.ID])) ?? []
+    if (!isOrderDirty.value || JSON.stringify(ids) === JSON.stringify(order.value)) {
+      order.value = ids
+      originalOrder.value = [...ids]
+    }
+  },
+)
+</script>
+
+<template>
+  <UiBlock class="music-panel" data-testid="music-plan">
+    <n-space justify="space-between" align="center">
+      <h3>План музыки</h3>
+      <n-button
+        v-if="!isEditing"
+        size="small"
+        square
+        aria-label="Редактировать музыку"
+        title="Редактировать музыку"
+        :disabled="isBusy"
+        @click="edit"
+      >
+        <Icon :size="18"><Edit /></Icon>
+      </n-button>
+      <n-button v-else size="small" :disabled="isBusy" @click="finish">Готово</n-button>
+    </n-space>
+    <n-space v-if="isEditing" vertical class="music-content" data-testid="music-editor">
+      <n-space :wrap="false">
+        <n-input
+          v-model:value="newName"
+          placeholder="Новый плейлист"
+          aria-label="Название нового плейлиста"
+          :disabled="isBusy"
+        />
+        <n-button
+          :disabled="isBusy || !newName.trim()"
+          @click="emit('createPlaylist', newName.trim())"
+          >Создать</n-button
+        >
+      </n-space>
+      <n-select
+        v-model:value="selectedId"
+        :options="options"
+        placeholder="Плейлист для редактирования"
+        :disabled="isBusy || isOrderDirty || isNameDirty"
+        :input-props="{ 'aria-label': 'Плейлист для редактирования' }"
+      />
+      <p v-if="!playlists.length">Плейлистов пока нет.</p>
+      <n-alert v-if="selectedId && !selected" type="warning">
+        Плейлист удалён на сервере. Несохранённый черновик сохранён до отмены.
+        <n-button size="small" :disabled="isBusy" @click="reset"
+          >Загрузить актуальный список</n-button
+        >
+      </n-alert>
+      <template v-if="selected && selectedId">
+        <label for="music-playlist-name">Название плейлиста</label>
+        <n-input
+          v-model:value="name"
+          :disabled="isBusy"
+          :input-props="{ id: 'music-playlist-name' }"
+        />
+        <n-space>
+          <n-button
+            size="small"
+            :disabled="isBusy || !name.trim() || !isNameDirty"
+            @click="emit('renamePlaylist', selectedId, name.trim())"
+            >Сохранить название</n-button
+          >
+          <n-upload
+            accept=".mp3,audio/mpeg"
+            :default-upload="false"
+            :show-file-list="false"
+            :disabled="isBusy || isOrderDirty || hasConflict"
+            @change="uploadTrack"
+          >
+            <n-button size="small" :disabled="isBusy || isOrderDirty || hasConflict"
+              >Добавить MP3</n-button
+            >
+          </n-upload>
+          <n-button
+            size="small"
+            :disabled="isBusy || isOrderDirty || hasConflict || !order.length"
+            @click="
+              emit('setMusic', {
+                playlistID: selectedId ?? undefined,
+                trackIndex: 0,
+                positionMs: 0,
+                playback: 'MUSIC_PLAYBACK_STOPPED',
+              })
+            "
+            >Использовать в игре</n-button
+          >
+          <n-popconfirm @positive-click="emit('deletePlaylist', selectedId)">
+            <template #trigger
+              ><n-button
+                size="small"
+                type="error"
+                ghost
+                :disabled="isBusy || isOrderDirty || isNameDirty"
+                >Удалить плейлист</n-button
+              ></template
+            >
+            Удалить плейлист «{{ selected.name }}»?
+          </n-popconfirm>
+        </n-space>
+        <n-alert v-if="hasConflict" type="warning"
+          >Порядок или состав треков изменился на сервере. Загрузите актуальный список перед
+          сохранением.</n-alert
+        >
+        <n-space v-if="isOrderDirty || isNameDirty || hasConflict">
+          <n-button
+            size="small"
+            :disabled="isBusy || !isOrderDirty || hasConflict"
+            @click="emit('reorderTracks', selectedId, [...order])"
+            >Сохранить порядок</n-button
+          >
+          <n-button size="small" :disabled="isBusy" @click="reset">{{
+            hasConflict ? 'Загрузить актуальный список' : 'Отменить изменения'
+          }}</n-button>
+        </n-space>
+        <p v-if="!order.length">Треков пока нет.</p>
+        <div v-for="(id, index) in order" :key="id" class="track-row">
+          <span
+            >{{ index + 1 }}.
+            {{
+              selected.tracks?.find((track) => track.ID === id)?.name ?? 'Трек удалён на сервере'
+            }}</span
+          >
+          <n-space>
+            <n-button
+              size="small"
+              :disabled="isBusy || hasConflict || index === 0"
+              :aria-label="`Поднять трек ${index + 1}`"
+              @click="move(index, -1)"
+              >↑</n-button
+            >
+            <n-button
+              size="small"
+              :disabled="isBusy || hasConflict || index === order.length - 1"
+              :aria-label="`Опустить трек ${index + 1}`"
+              @click="move(index, 1)"
+              >↓</n-button
+            >
+            <n-popconfirm @positive-click="emit('deleteTrack', selectedId, id)">
+              <template #trigger
+                ><n-button
+                  size="small"
+                  type="error"
+                  ghost
+                  :disabled="isBusy || isOrderDirty || hasConflict"
+                  >Удалить</n-button
+                ></template
+              >
+              Удалить трек из плейлиста?
+            </n-popconfirm>
+          </n-space>
+        </div>
+      </template>
+    </n-space>
+    <n-space v-else vertical class="music-content">
+      <div class="playlist-picker">
+        <n-select
+          :value="music?.playlist?.ID"
+          :options="options"
+          clearable
+          placeholder="Выберите плейлист"
+          :disabled="isBusy"
+          :input-props="{ 'aria-label': 'Музыка игры' }"
+          @update:value="
+            emit('setMusic', {
+              playlistID: $event ?? 0,
+              trackIndex: 0,
+              positionMs: 0,
+              playback: 'MUSIC_PLAYBACK_STOPPED',
+            })
+          "
+        />
+        <n-button
+          square
+          :type="music?.loop ? 'primary' : 'default'"
+          :aria-pressed="music?.loop ?? false"
+          aria-label="Повторять плейлист"
+          title="Повторять плейлист"
+          :disabled="isBusy"
+          @click="emit('setMusic', { loop: !music?.loop })"
+          ><Icon :size="18"><Repeat /></Icon
+        ></n-button>
+      </div>
+      <p v-if="currentTrack" role="status">
+        {{ currentTrack.name }} ·
+        {{
+          isPlaying
+            ? 'Играет'
+            : music?.playback === 'MUSIC_PLAYBACK_PAUSED'
+              ? 'Пауза'
+              : 'Остановлено'
+        }}
+      </p>
+      <n-space align="center">
+        <n-button
+          square
+          :aria-label="playbackLabel"
+          :title="playbackLabel"
+          :disabled="!canPlay"
+          @click="
+            emit('setMusic', {
+              playback: isPlaying ? 'MUSIC_PLAYBACK_PAUSED' : 'MUSIC_PLAYBACK_PLAYING',
+            })
+          "
+          ><Icon :size="18"><Pause v-if="isPlaying" /><Play v-else /></Icon
+        ></n-button>
+        <n-button
+          square
+          aria-label="Стоп"
+          title="Стоп"
+          :disabled="!canPlay"
+          @click="emit('setMusic', { playback: 'MUSIC_PLAYBACK_STOPPED', positionMs: 0 })"
+          ><Icon :size="18"><Stop /></Icon
+        ></n-button>
+        <n-button
+          square
+          aria-label="Сначала"
+          title="Сначала"
+          :disabled="!canPlay"
+          @click="emit('setMusic', { playback: 'MUSIC_PLAYBACK_PLAYING', positionMs: 0 })"
+          ><Icon :size="18"><Reset /></Icon
+        ></n-button>
+        <div class="music-volume">
+          <span id="music-volume-label">Громкость</span
+          ><n-slider
+            :value="volume"
+            :min="0"
+            :max="100"
+            :disabled="isBusy || !music?.playlist"
+            aria-labelledby="music-volume-label"
+            :format-tooltip="(value) => `${value}%`"
+            @update:value="volume = $event"
+            @dragend="emit('setMusic', { volume })"
+            @keyup="emit('setMusic', { volume })"
+          />
+        </div>
+      </n-space>
+      <p v-if="!music?.playlist">Выберите плейлист для игры.</p>
+      <p v-else-if="!music.playlist.tracks?.length">В плейлисте пока нет треков.</p>
+      <div
+        v-for="(track, index) in music?.playlist?.tracks ?? []"
+        :key="track.ID"
+        class="track-row"
+        :class="{ 'track-current': index === (music?.trackIndex ?? 0) }"
+        :aria-current="index === (music?.trackIndex ?? 0) ? 'true' : undefined"
+      >
+        <span>{{ index + 1 }}. {{ track.name }}</span>
+        <n-button
+          size="small"
+          :disabled="isBusy || index === (music?.trackIndex ?? 0)"
+          @click="selectTrack(index)"
+          >{{ index === (music?.trackIndex ?? 0) ? 'Выбран' : 'Выбрать' }}</n-button
+        >
+      </div>
+    </n-space>
+  </UiBlock>
+</template>
+
+<style scoped>
+h3,
+p {
+  margin: 0;
+}
+
+.music-panel {
+  min-width: 0;
+}
+
+.music-content {
+  margin-top: 12px;
+}
+
+.playlist-picker {
+  align-items: center;
+  display: grid;
+  gap: 8px;
+  grid-template-columns: minmax(0, 1fr) auto;
+}
+
+.music-volume {
+  align-items: center;
+  display: flex;
+  gap: 12px;
+  width: 210px;
+}
+
+.music-volume .n-slider {
+  min-width: 100px;
+}
+
+.track-row {
+  align-items: center;
+  border: 1px solid var(--brand-border);
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12px;
+  justify-content: space-between;
+  overflow-wrap: anywhere;
+  padding: 12px;
+}
+
+.track-current {
+  border-color: var(--brand-accent);
+}
+</style>

src/components/GamePage.vue

@@ -47,11 +47,13 @@ import type {
 } from '@/api/generated/crabs/evening_detective_server'
 import notificationSoundURL from '@/assets/icq-uh-oh.wav'
 import GameMapPanel from '@/components/GameMapPanel.vue'
+import GameMusicPlanPanel from '@/components/GameMusicPlanPanel.vue'
 import GameScreenPlanPanel from '@/components/GameScreenPlanPanel.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 ScreenPreview from '@/components/ScreenPreview.vue'
 import TeamReceiptModal from '@/components/TeamReceiptModal.vue'
 import TicketCheckModal from '@/components/TicketCheckModal.vue'
 import UiBlock from '@/components/UiBlock.vue'
@@ -234,6 +236,12 @@ const activeTeamCount = computed(
 const screens = ref<ScreenState[]>([])
 const playlists = ref<Playlist[]>([])
 const music = ref<MusicState>()
+const isMusicBusy = ref(false)
+let musicRequestVersion = 0
+let musicSyncedAt = Date.now()
+const isScreenBusy = ref(false)
+const isScreensLoading = ref(true)
+const screensError = ref('')
 const screenPlan = ref<ScreenPlan>()
 const screenPlanDraft = ref<ScreenPlanStep[]>([])
 const screenPlanDirty = ref(false)
@@ -246,7 +254,15 @@ const mapItems = ref<MapItem[]>([])
 const mapSaving = ref(false)
 const mapDragging = ref(false)
 const screenVolume = ref(100)
-const screenPosition = ref(0)
+const previewScreen = computed(
+  () => screens.value.find((screen) => screen.status === 'connected') || screens.value[0],
+)
+watch(
+  () => previewScreen.value?.volume,
+  (value) => {
+    screenVolume.value = value ?? 100
+  },
+)
 
 function reportSoundError(error: unknown) {
   if (isDisposed || hasReportedSoundError) return
@@ -368,26 +384,38 @@ async function getGame(id: number) {
 if (canManageGame.value) getGame(Number(gameId))
 
 async function getGameScreens() {
+  try {
     const res = await client.GetGameScreens({ gameID: Number(gameId) })
     screens.value = res.screens || []
-  const previewScreen =
-    screens.value.find((screen) => screen.status === 'connected') || screens.value[0]
-  if (previewScreen?.mode === 'SCREEN_MODE_RESULTS') {
+    screensError.value = ''
+    if (
+      (screenPlanMode.value === 'edit' ? screenPlanDraft.value : screenPlan.value?.steps)?.some(
+        (step) => step.mode === 'SCREEN_MODE_RESULTS',
+      ) ||
+      previewScreen.value?.mode === 'SCREEN_MODE_RESULTS'
+    ) {
       const result = await client.GetGameResults({ gameID: Number(gameId) })
       previewQuestions.value = result.questions || []
       previewTeams.value = result.teams || []
-  } else {
-    previewQuestions.value = []
-    previewTeams.value = []
+    }
+  } catch (err) {
+    screensError.value =
+      err instanceof Error ? err.message : 'Не удалось получить состояние экранов'
+  } finally {
+    isScreensLoading.value = false
   }
 }
 if (canManageGame.value) getGameScreens()
 
-async function getGameMusic() {
+async function getGameMusic(isAfterSave = false) {
+  if (isMusicBusy.value && !isAfterSave) return
+  const requestVersion = ++musicRequestVersion
   try {
     const res = await client.GetGameMusic({ gameID: Number(gameId) })
+    if (requestVersion !== musicRequestVersion) return
     playlists.value = res.playlists || []
     music.value = res.state
+    musicSyncedAt = Date.now()
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось получить музыку игры')
   }
@@ -399,20 +427,23 @@ function isScreenPlanEditing() {
 }
 
 async function getScreenPlan() {
-  console.log('getScreenPlan')
-  if (isScreenPlanEditing() || screenPlanDirty.value) return
-  console.log('no skip getScreenPlan')
+  if (isScreenPlanEditing() || screenPlanDirty.value || isScreenBusy.value) return
   const requestVersion = ++screenPlanRequestVersion
+  try {
     const res = await client.GetScreenPlan({ gameID: Number(gameId) })
     if (
       requestVersion !== screenPlanRequestVersion ||
       isScreenPlanEditing() ||
+      isScreenBusy.value ||
       screenPlanDirty.value
     ) {
       return
     }
     screenPlan.value = res.plan
     screenPlanDraft.value = res.plan?.steps?.map((step) => ({ ...step })) || []
+  } catch (err) {
+    message.error(err instanceof Error ? err.message : 'Не удалось получить план экранов')
+  }
 }
 if (canManageGame.value) getScreenPlan()
 
@@ -464,6 +495,18 @@ function clearScreenPlan() {
 
 async function saveScreenPlan() {
   if (screenPlanSaving.value) return
+  const invalidStep = screenPlanDraft.value.findIndex(
+    (step) =>
+      (step.mode === 'SCREEN_MODE_TEXT' && !step.text?.trim()) ||
+      (step.mode === 'SCREEN_MODE_TIMER' &&
+        (!Number.isInteger(step.timerDurationSeconds) ||
+          (step.timerDurationSeconds ?? 0) < 1 ||
+          (step.timerDurationSeconds ?? 0) > 86400)),
+  )
+  if (invalidStep !== -1) {
+    message.error(`Проверьте текст или длительность таймера в шаге ${invalidStep + 1}`)
+    return
+  }
   screenPlanRequestVersion += 1
   screenPlanSaving.value = true
   try {
@@ -489,18 +532,25 @@ async function saveScreenPlan() {
 }
 
 async function setScreenPlanStep(index: number) {
-  if (screenPlanDirty.value || !screenPlan.value) return
+  if (screenPlanDirty.value || !screenPlan.value || isScreenBusy.value || screenPlanSaving.value)
+    return
+  isScreenBusy.value = true
+  screenPlanRequestVersion += 1
   try {
     const res = await client.SetScreenPlanStep({ gameID: Number(gameId), currentStep: index })
     screenPlan.value = res.plan
     await getGameScreens()
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось перейти на шаг плана')
+  } finally {
+    isScreenBusy.value = false
   }
 }
 
 async function sendScreenPlanCommand(mode: ScreenMode | undefined, command: ScreenCommand) {
   if (
+    isScreenBusy.value ||
+    screenPlanSaving.value ||
     screenPlanDirty.value ||
     (mode !== 'SCREEN_MODE_TIMER' &&
       mode !== 'SCREEN_MODE_INTRO' &&
@@ -508,19 +558,21 @@ async function sendScreenPlanCommand(mode: ScreenMode | undefined, command: Scre
   ) {
     return
   }
+  isScreenBusy.value = true
   try {
     await client.SendScreenCommand({
       gameID: Number(gameId),
       command,
-      positionMs: Math.max(0, Math.round(screenPosition.value * 1000)),
+      positionMs: 0,
       volume: Math.max(0, Math.min(100, Math.round(screenVolume.value))),
     })
     await getGameScreens()
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось управлять экраном')
+  } finally {
+    isScreenBusy.value = false
   }
 }
-
 async function bindScannedScreen(screenID: string, accessToken: string) {
   if (screenBinding.value) return
   screenBinding.value = true
@@ -570,8 +622,16 @@ async function saveMapItemAndReload(item: MapItem, hidden = item.hidden) {
 }
 
 async function setSoundScreen(screen: ScreenState) {
+  if (isScreenBusy.value) return
+  isScreenBusy.value = true
+  try {
     await client.SetScreenSound({ screenID: screen.ID, soundEnabled: true })
     await getGameScreens()
+  } catch (err) {
+    message.error(err instanceof Error ? err.message : 'Не удалось назначить звук')
+  } finally {
+    isScreenBusy.value = false
+  }
 }
 
 async function setGameMusic(change: {
@@ -582,67 +642,122 @@ async function setGameMusic(change: {
   loop?: boolean
   volume?: number
 }) {
+  if (isMusicBusy.value) return
+  isMusicBusy.value = true
+  musicRequestVersion += 1
   const current = music.value
   try {
     const res = await client.SetGameMusic({
       gameID: Number(gameId),
       playlistID: change.playlistID ?? current?.playlist?.ID ?? 0,
       trackIndex: change.trackIndex ?? current?.trackIndex ?? 0,
-      positionMs: change.positionMs ?? current?.positionMs ?? 0,
+      positionMs:
+        change.positionMs ??
+        (current?.positionMs ?? 0) +
+          (current?.playback === 'MUSIC_PLAYBACK_PLAYING'
+            ? Math.max(0, Date.now() - musicSyncedAt)
+            : 0),
       volume: change.volume ?? current?.volume ?? 100,
       loop: change.loop ?? current?.loop ?? false,
       playback: change.playback ?? current?.playback ?? 'MUSIC_PLAYBACK_STOPPED',
     })
     music.value = res.state
+    musicSyncedAt = Date.now()
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось изменить музыку')
+  } finally {
+    isMusicBusy.value = false
   }
 }
 
 async function createPlaylist(name: string) {
+  if (isMusicBusy.value || !name.trim()) return
+  isMusicBusy.value = true
+  musicRequestVersion += 1
   try {
-    await client.CreatePlaylist({ name })
-    await getGameMusic()
+    await client.CreatePlaylist({ name: name.trim() })
+    await getGameMusic(true)
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось создать плейлист')
+  } finally {
+    isMusicBusy.value = false
+  }
+}
+
+async function renamePlaylist(id: number, name: string) {
+  if (isMusicBusy.value || !name.trim()) return
+  isMusicBusy.value = true
+  musicRequestVersion += 1
+  try {
+    await client.UpdatePlaylist({ ID: id, name: name.trim() })
+    await getGameMusic(true)
+  } catch (err) {
+    message.error(err instanceof Error ? err.message : 'Не удалось переименовать плейлист')
+  } finally {
+    isMusicBusy.value = false
+  }
+}
+
+async function reorderTracks(playlistID: number, trackIDs: number[]) {
+  if (isMusicBusy.value) return
+  isMusicBusy.value = true
+  musicRequestVersion += 1
+  try {
+    await client.ReorderPlaylistTracks({ playlistID, trackIDs })
+    await getGameMusic(true)
+  } catch (err) {
+    message.error(err instanceof Error ? err.message : 'Не удалось сохранить порядок треков')
+  } finally {
+    isMusicBusy.value = false
   }
 }
 
 async function deletePlaylist(id: number) {
+  if (isMusicBusy.value) return
+  isMusicBusy.value = true
+  musicRequestVersion += 1
   try {
     await client.DeletePlaylist({ ID: id })
-    await getGameMusic()
+    await getGameMusic(true)
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось удалить плейлист')
+  } finally {
+    isMusicBusy.value = false
   }
 }
 
-async function uploadTrack(file: File) {
-  const playlistID = music.value?.playlist?.ID
-  if (!playlistID) {
-    message.warning('Сначала выберите плейлист')
+async function uploadTrack(playlistID: number, file: File) {
+  if (isMusicBusy.value) return
+  if (!/\.mp3$/i.test(file.name) || file.size === 0 || file.size > 64 * 1024 * 1024) {
+    message.error('Выберите непустой MP3 размером до 64 МиБ')
     return
   }
+  isMusicBusy.value = true
+  musicRequestVersion += 1
   try {
     const data = uint8ToBase64(new Uint8Array(await file.arrayBuffer()))
     await client.UploadPlaylistTrack({ playlistID, name: file.name, filename: file.name, data })
-    await getGameMusic()
+    await getGameMusic(true)
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось загрузить MP3')
+  } finally {
+    isMusicBusy.value = false
   }
 }
 
-async function deleteTrack(id: number) {
-  const playlistID = music.value?.playlist?.ID
-  if (!playlistID) return
+async function deleteTrack(playlistID: number, id: number) {
+  if (isMusicBusy.value) return
+  isMusicBusy.value = true
+  musicRequestVersion += 1
   try {
     await client.DeletePlaylistTrack({ playlistID, trackID: id })
-    await getGameMusic()
+    await getGameMusic(true)
   } catch (err) {
     message.error(err instanceof Error ? err.message : 'Не удалось удалить трек')
+  } finally {
+    isMusicBusy.value = false
   }
 }
-
 function uint8ToBase64(data: Uint8Array): string {
   let binary = ''
   for (let i = 0; i < data.length; i += 0x8000) binary += String.fromCharCode(...data.subarray(i, i + 0x8000))
@@ -650,8 +765,16 @@ function uint8ToBase64(data: Uint8Array): string {
 }
 
 async function unbindScreen(screen: ScreenState) {
+  if (isScreenBusy.value) return
+  isScreenBusy.value = true
+  try {
     await client.UnbindScreen({ screenID: screen.ID })
     await getGameScreens()
+  } catch (err) {
+    message.error(err instanceof Error ? err.message : 'Не удалось отвязать экран')
+  } finally {
+    isScreenBusy.value = false
+  }
 }
 
 async function toTeamStory(id: string, password: string, newTab: boolean = false) {
@@ -1387,20 +1510,29 @@ useSimplePolling(() => {
         </n-tab-pane>
         <n-tab-pane v-if="canManageGame" name="screens" tab="Экраны">
           <div class="game-tab-content">
+            <n-alert v-if="screensError" type="error">{{ screensError }}</n-alert>
+            <p v-if="isScreensLoading" role="status">Загрузка экранов…</p>
+            <div class="screen-overview">
+              <UiBlock>
+                <h3 class="screens-title">Превью экрана</h3>
+                <ScreenPreview
+                  v-if="previewScreen?.status === 'connected'"
+                  :state="previewScreen"
+                  :questions="previewQuestions"
+                  :teams="previewTeams"
+                />
+                <div v-else class="screen-preview-placeholder">Экран не подключён</div>
+              </UiBlock>
               <GameScreensPanel
                 :screens="screens"
                 :screen-binding="screenBinding"
-              :playlists="playlists"
-              :music="music"
+                :is-busy="isScreenBusy"
                 @bind="bindScannedScreen"
                 @set-sound="setSoundScreen"
                 @unbind="unbindScreen"
-              @set-music="setGameMusic"
-              @create-playlist="createPlaylist"
-              @delete-playlist="deletePlaylist"
-              @upload-track="uploadTrack"
-              @delete-track="deleteTrack"
               />
+            </div>
+            <div class="presentation-grid">
               <GameScreenPlanPanel
                 :screens="screens"
                 :preview-questions="previewQuestions"
@@ -1410,7 +1542,7 @@ useSimplePolling(() => {
                 :screen-plan-saving="screenPlanSaving"
                 :screen-plan-mode="screenPlanMode"
                 :screen-volume="screenVolume"
-              :screen-position="screenPosition"
+                :is-busy="isScreenBusy"
                 @add-step="addScreenPlanStep"
                 @edit="editScreenPlan"
                 @cancel="cancelScreenPlanEdit"
@@ -1421,9 +1553,21 @@ useSimplePolling(() => {
                 @save="saveScreenPlan"
                 @set-step="setScreenPlanStep"
                 @command="sendScreenPlanCommand"
-              @update:screen-volume="screenVolume = $event ?? 0"
-              @update:screen-position="screenPosition = $event ?? 0"
+                @update:screen-volume="screenVolume = $event"
               />
+              <GameMusicPlanPanel
+                :playlists="playlists"
+                :music="music"
+                :is-busy="isMusicBusy"
+                @set-music="setGameMusic"
+                @create-playlist="createPlaylist"
+                @rename-playlist="renamePlaylist"
+                @reorder-tracks="reorderTracks"
+                @delete-playlist="deletePlaylist"
+                @upload-track="uploadTrack"
+                @delete-track="deleteTrack"
+              />
+            </div>
           </div>
         </n-tab-pane>
         <n-tab-pane v-if="canManageGame" name="game" tab="Игра">
@@ -1945,6 +2089,26 @@ useSimplePolling(() => {
 </template>
 
 <style scoped>
+.screen-overview,
+.presentation-grid {
+  align-items: start;
+  display: grid;
+  gap: 12px;
+  min-width: 0;
+}
+
+.screen-overview > *,
+.presentation-grid > * {
+  min-width: 0;
+}
+
+@media (width >= 1024px) {
+  .screen-overview,
+  .presentation-grid {
+    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
+  }
+}
+
 .reset-local-mode-modal {
   max-width: calc(100vw - 32px);
   width: 560px;

src/components/GameScreenPlanPanel.vue

@@ -1,5 +1,7 @@
 <script setup lang="ts">
-import { NButton, NFlex, NInput, NInputNumber, NSelect, NSpace, NText } from 'naive-ui'
+import { Edit, Pause, Play, Reset, Stop } from '@vicons/carbon'
+import { Icon } from '@vicons/utils'
+import { NButton, NInput, NInputNumber, NSelect, NSlider, NSpace } from 'naive-ui'
 import { computed } from 'vue'
 
 import type {
@@ -23,9 +25,8 @@ const props = defineProps<{
   screenPlanSaving: boolean
   screenPlanMode: 'use' | 'edit'
   screenVolume: number
-  screenPosition: number
+  isBusy: boolean
 }>()
-
 const emit = defineEmits<{
   addStep: []
   edit: []
@@ -37,14 +38,38 @@ const emit = defineEmits<{
   save: []
   setStep: [index: number]
   command: [mode: ScreenMode | undefined, command: ScreenCommand]
-  'update:screenVolume': [value: number | null]
-  'update:screenPosition': [value: number | null]
+  'update:screenVolume': [value: number]
 }>()
-
 const previewScreen = computed(
   () => props.screens.find((screen) => screen.status === 'connected') || props.screens[0],
 )
-const screenPlanModeOptions = [
+const hasMainSource = computed(() =>
+  previewScreen.value?.mode === 'SCREEN_MODE_INTRO'
+    ? !!previewScreen.value.introAudio
+    : !!previewScreen.value?.conclusionVideo,
+)
+const hasConnectedScreen = computed(() =>
+  props.screens.some((screen) => screen.status === 'connected'),
+)
+const isDisabled = computed(() => props.screenPlanSaving || props.isBusy)
+const steps = computed(() =>
+  props.screenPlanMode === 'edit' ? props.screenPlanDraft : (props.screenPlan?.steps ?? []),
+)
+const timerControl = computed(() => {
+  if (previewScreen.value?.timerState === 'SCREEN_TIMER_STATE_RUNNING')
+    return { label: 'Пауза', command: 'SCREEN_COMMAND_TIMER_PAUSE' as const, icon: Pause }
+  if (previewScreen.value?.timerState === 'SCREEN_TIMER_STATE_PAUSED')
+    return { label: 'Продолжить', command: 'SCREEN_COMMAND_TIMER_RESUME' as const, icon: Play }
+  return { label: 'Старт', command: 'SCREEN_COMMAND_TIMER_START' as const, icon: Play }
+})
+const mediaControls = [
+  { label: 'Запуск', command: 'SCREEN_COMMAND_PLAY', icon: Play },
+  { label: 'Пауза', command: 'SCREEN_COMMAND_PAUSE', icon: Pause },
+  { label: 'Продолжить', command: 'SCREEN_COMMAND_RESUME', icon: Play },
+  { label: 'Стоп', command: 'SCREEN_COMMAND_STOP', icon: Stop },
+  { label: 'Сначала', command: 'SCREEN_COMMAND_REPLAY', icon: Reset },
+] satisfies { label: string; command: ScreenCommand; icon: typeof Play }[]
+const modeOptions = [
   { label: 'Обложка', value: 'SCREEN_MODE_COVER' },
   { label: 'Введение', value: 'SCREEN_MODE_INTRO' },
   { label: 'Закрывашка', value: 'SCREEN_MODE_CONCLUSION' },
@@ -52,278 +77,266 @@ const screenPlanModeOptions = [
   { label: 'Таймер', value: 'SCREEN_MODE_TIMER' },
   { label: 'Текст', value: 'SCREEN_MODE_TEXT' },
 ]
+function thumbnail(step: ScreenPlanStep): Partial<ScreenState> {
+  return {
+    ...previewScreen.value,
+    ...step,
+    timerState: 'SCREEN_TIMER_STATE_STOPPED',
+    timerRemainingSeconds: step.timerDurationSeconds,
+  }
+}
 </script>
 
 <template>
-  <UiBlock class="screen-preview-panel">
-    <p class="screens-title">Превью экрана</p>
-    <ScreenPreview
-      v-if="previewScreen?.status === 'connected'"
-      :state="previewScreen"
-      :questions="previewQuestions"
-      :teams="previewTeams"
-    />
-    <div v-else class="screen-preview-placeholder">Экран не подключён</div>
-    <div class="screen-plan">
-      <n-flex align="center" justify="space-between" class="screen-header">
-        <p class="screens-title">План экранов</p>
+  <UiBlock class="screen-plan-panel" data-testid="screen-plan">
+    <n-space align="center" justify="space-between">
+      <h3>План экранов</h3>
       <n-space>
         <n-button
-            v-if="!screenPlan && screenPlanMode === 'use'"
+          v-if="screenPlanMode === 'use' && !screenPlan"
           size="small"
+          :disabled="isDisabled"
           @click="emit('addStep')"
+          >Создать план</n-button
         >
-            Создать план
-          </n-button>
         <n-button
-            v-if="screenPlan && screenPlanMode === 'use'"
+          v-else-if="screenPlanMode === 'use'"
           size="small"
+          square
+          aria-label="Редактировать план экранов"
+          title="Редактировать план экранов"
+          :disabled="isDisabled"
           @click="emit('edit')"
-          >
-            Редактировать
-          </n-button>
-          <template v-if="screenPlanMode === 'edit'">
-            <n-button size="small" :disabled="screenPlanSaving" @click="emit('cancel')">
-              Отменить
-            </n-button>
+          ><Icon :size="18"><Edit /></Icon
+        ></n-button>
+        <template v-else>
+          <n-button size="small" :disabled="isDisabled" @click="emit('cancel')">Отменить</n-button>
           <n-button
             size="small"
             type="primary"
             :loading="screenPlanSaving"
-              :disabled="screenPlanSaving"
+            :disabled="isDisabled"
             @click="emit('save')"
+            >Сохранить план</n-button
           >
-              Сохранить план
-            </n-button>
         </template>
       </n-space>
-      </n-flex>
-      <p v-if="!screenPlan && screenPlanMode === 'use'" class="screen-empty">
-        План экранов ещё не создан.
+    </n-space>
+    <p v-if="!steps.length">
+      {{
+        screenPlanMode === 'edit'
+          ? 'Добавьте шаги или сохраните пустой план для удаления.'
+          : 'План экранов ещё не создан.'
+      }}
     </p>
-      <template v-else-if="screenPlanMode === 'edit'">
-        <n-space
-          v-for="(step, index) in screenPlanDraft"
+    <div class="plan-steps">
+      <div
+        v-for="(step, index) in steps"
         :key="index"
-          class="screen-plan-step"
-          align="center"
-          justify="space-between"
-          wrap
+        class="plan-step"
+        :class="{
+          'plan-step-current': screenPlanMode === 'use' && screenPlan?.currentStep === index,
+        }"
+        :aria-current="
+          screenPlanMode === 'use' && screenPlan?.currentStep === index ? 'step' : undefined
+        "
       >
-          <n-space align="center" wrap>
-            <n-text>{{ index + 1 }}</n-text>
+        <div class="step-preview" aria-hidden="true">
+          <ScreenPreview
+            :state="thumbnail(step)"
+            :questions="previewQuestions"
+            :teams="previewTeams"
+            is-thumbnail
+          />
+        </div>
+        <div class="step-content">
+          <template v-if="screenPlanMode === 'edit'">
+            <n-space align="center">
+              <span>{{ index + 1 }}</span>
+              <n-button
+                size="small"
+                :disabled="isDisabled || index === 0"
+                :aria-label="`Поднять шаг ${index + 1}`"
+                @click="emit('moveStep', index, -1)"
+                >↑</n-button
+              >
+              <n-button
+                size="small"
+                :disabled="isDisabled || index === steps.length - 1"
+                :aria-label="`Опустить шаг ${index + 1}`"
+                @click="emit('moveStep', index, 1)"
+                >↓</n-button
+              >
+              <n-button
+                size="small"
+                type="error"
+                ghost
+                :disabled="isDisabled"
+                @click="emit('removeStep', index)"
+                >Удалить</n-button
+              >
+            </n-space>
             <n-select
               v-model:value="step.mode"
-              :options="screenPlanModeOptions"
-              :disabled="screenPlanSaving"
-              size="small"
-              style="width: 180px"
+              :options="modeOptions"
+              :disabled="isDisabled"
+              :input-props="{ 'aria-label': `Режим шага ${index + 1}` }"
               @update:value="emit('dirty')"
             />
             <n-input
               v-if="step.mode === 'SCREEN_MODE_TEXT'"
               v-model:value="step.text"
-              :disabled="screenPlanSaving"
-              size="small"
+              type="textarea"
               placeholder="Текст экрана"
-              style="min-width: 240px"
+              :disabled="isDisabled"
+              :input-props="{ 'aria-label': `Текст шага ${index + 1}` }"
               @update:value="emit('dirty')"
             />
             <template v-if="step.mode === 'SCREEN_MODE_TIMER'">
+              <label :for="`timer-label-${index}`">Надпись таймера</label>
               <n-input
                 v-model:value="step.timerLabel"
-                :disabled="screenPlanSaving"
-                size="small"
-                placeholder="Надпись таймера"
+                :disabled="isDisabled"
+                :input-props="{ id: `timer-label-${index}` }"
                 @update:value="emit('dirty')"
               />
+              <label :for="`timer-duration-${index}`">Длительность в секундах</label>
               <n-input-number
                 v-model:value="step.timerDurationSeconds"
                 :min="1"
                 :max="86400"
-                :disabled="screenPlanSaving"
-                size="small"
-                placeholder="Секунды"
+                :disabled="isDisabled"
+                :input-props="{ id: `timer-duration-${index}` }"
                 @update:value="emit('dirty')"
               />
             </template>
-          </n-space>
-          <n-space class="screen-plan-actions">
-            <n-button
-              size="small"
-              :disabled="screenPlanSaving || index === 0"
-              @click="emit('moveStep', index, -1)"
-            >
-              ↑
-            </n-button>
-            <n-button
-              size="small"
-              :disabled="screenPlanSaving || index === screenPlanDraft.length - 1"
-              @click="emit('moveStep', index, 1)"
-            >
-              ↓
-            </n-button>
-            <n-button
-              size="small"
-              type="error"
-              ghost
-              :disabled="screenPlanSaving"
-              @click="emit('removeStep', index)"
-            >
-              Удалить
-            </n-button>
-          </n-space>
-        </n-space>
-        <n-space>
-          <n-button size="small" :disabled="screenPlanSaving" @click="emit('addStep')">
-            Добавить шаг
-          </n-button>
-          <n-button
-            v-if="screenPlanDraft.length"
-            size="small"
-            :disabled="screenPlanSaving"
-            @click="emit('clearPlan')"
-          >
-            Удалить план
-          </n-button>
-        </n-space>
           </template>
-      <template v-else-if="screenPlan">
-        <n-space
-          v-for="(step, index) in screenPlan.steps || []"
-          :key="index"
-          class="screen-plan-step"
-          align="center"
-          justify="space-between"
-          wrap
+          <template v-else>
+            <div class="step-heading">
+              <span
+                >{{ index + 1 }}.
+                {{ modeOptions.find((option) => option.value === step.mode)?.label
+                }}<template v-if="step.mode === 'SCREEN_MODE_TEXT'">: {{ step.text }}</template
+                ><template v-if="step.mode === 'SCREEN_MODE_TIMER'"
+                  >: {{ step.timerLabel }} ({{ step.timerDurationSeconds }} с)</template
+                ></span
               >
-          <n-space align="center">
-            <n-text>{{ index + 1 }}</n-text>
-            <n-text>
-              {{ screenPlanModeOptions.find((option) => option.value === step.mode)?.label }}
-              <template v-if="step.mode === 'SCREEN_MODE_TEXT'">: {{ step.text }}</template>
-              <template v-else-if="step.mode === 'SCREEN_MODE_TIMER'">
-                : {{ step.timerLabel }} ({{ step.timerDurationSeconds }} с)
-              </template>
-            </n-text>
-          </n-space>
-          <n-space class="screen-plan-actions">
               <n-button
                 size="small"
-              :type="screenPlan.currentStep === index ? 'primary' : 'default'"
-              :disabled="screenPlan.currentStep === index"
+                :disabled="isDisabled || screenPlan?.currentStep === index || !hasConnectedScreen"
                 @click="emit('setStep', index)"
+                >{{ screenPlan?.currentStep === index ? 'Показан' : 'Показать' }}</n-button
               >
-              Показать
-            </n-button>
-            <template v-if="screenPlan.currentStep === index">
-              <template v-if="step.mode === 'SCREEN_MODE_TIMER'">
+            </div>
+            <template v-if="screenPlan?.currentStep === index">
+              <n-space v-if="step.mode === 'SCREEN_MODE_TIMER'">
                 <n-button
-                  size="small"
-                  @click="emit('command', step.mode, 'SCREEN_COMMAND_TIMER_START')"
-                >
-                  Старт
-                </n-button>
+                  square
+                  :aria-label="timerControl.label"
+                  :title="timerControl.label"
+                  :disabled="isDisabled || !hasConnectedScreen"
+                  @click="emit('command', step.mode, timerControl.command)"
+                  ><Icon :size="18"><component :is="timerControl.icon" /></Icon
+                ></n-button>
                 <n-button
-                  size="small"
-                  @click="emit('command', step.mode, 'SCREEN_COMMAND_TIMER_PAUSE')"
-                >
-                  Пауза
-                </n-button>
-                <n-button
-                  size="small"
-                  @click="emit('command', step.mode, 'SCREEN_COMMAND_TIMER_RESUME')"
-                >
-                  Продолжить
-                </n-button>
-                <n-button
-                  size="small"
+                  square
+                  aria-label="Сбросить таймер"
+                  title="Сбросить таймер"
+                  :disabled="isDisabled || !hasConnectedScreen"
                   @click="emit('command', step.mode, 'SCREEN_COMMAND_TIMER_RESET')"
-                >
-                  Сбросить
-                </n-button>
-              </template>
+                  ><Icon :size="18"><Reset /></Icon
+                ></n-button>
+              </n-space>
               <template
                 v-else-if="
                   step.mode === 'SCREEN_MODE_INTRO' || step.mode === 'SCREEN_MODE_CONCLUSION'
                 "
               >
-                <n-button size="small" @click="emit('command', step.mode, 'SCREEN_COMMAND_PLAY')">
-                  Запуск
-                </n-button>
-                <n-button size="small" @click="emit('command', step.mode, 'SCREEN_COMMAND_PAUSE')">
-                  Пауза
-                </n-button>
-                <n-button size="small" @click="emit('command', step.mode, 'SCREEN_COMMAND_RESUME')">
-                  Продолжить
-                </n-button>
-                <n-button size="small" @click="emit('command', step.mode, 'SCREEN_COMMAND_STOP')">
-                  Стоп
-                </n-button>
-                <n-button size="small" @click="emit('command', step.mode, 'SCREEN_COMMAND_REPLAY')">
-                  Повтор
-                </n-button>
-                <n-input-number
+                <n-space>
+                  <n-button
+                    v-for="control in mediaControls"
+                    :key="control.command"
+                    square
+                    :aria-label="control.label"
+                    :title="control.label"
+                    :disabled="isDisabled || !hasConnectedScreen || !hasMainSource"
+                    @click="emit('command', step.mode, control.command)"
+                    ><Icon :size="18"><component :is="control.icon" /></Icon
+                  ></n-button>
+                </n-space>
+                <label :id="`main-volume-${index}`">Громкость</label>
+                <n-slider
                   :value="screenVolume"
                   :min="0"
                   :max="100"
-                  :step="5"
-                  size="small"
+                  :disabled="isDisabled || !hasConnectedScreen"
+                  :aria-labelledby="`main-volume-${index}`"
+                  :format-tooltip="(value) => `${value}%`"
                   @update:value="emit('update:screenVolume', $event)"
+                  @dragend="emit('command', step.mode, 'SCREEN_COMMAND_VOLUME')"
+                  @keyup="emit('command', step.mode, 'SCREEN_COMMAND_VOLUME')"
                 />
-                <n-button size="small" @click="emit('command', step.mode, 'SCREEN_COMMAND_VOLUME')">
-                  Громкость
-                </n-button>
-                <n-input-number
-                  :value="screenPosition"
-                  :min="0"
-                  :step="5"
-                  size="small"
-                  @update:value="emit('update:screenPosition', $event)"
-                />
-                <n-button size="small" @click="emit('command', step.mode, 'SCREEN_COMMAND_SEEK')">
-                  Перемотать
-                </n-button>
               </template>
             </template>
-          </n-space>
-        </n-space>
           </template>
         </div>
+      </div>
+    </div>
+    <n-space v-if="screenPlanMode === 'edit'">
+      <n-button size="small" :disabled="isDisabled" @click="emit('addStep')">Добавить шаг</n-button>
+      <n-button size="small" :disabled="isDisabled || !steps.length" @click="emit('clearPlan')"
+        >Удалить план</n-button
+      >
+    </n-space>
   </UiBlock>
 </template>
 
 <style scoped>
-.screens-title {
-  font-size: 18px;
-  font-weight: 600;
+h3 {
   margin: 0;
 }
 
-.screen-header {
-  margin-bottom: 8px;
+.screen-plan-panel {
+  min-width: 0;
 }
 
-.screen-preview-placeholder {
-  align-items: center;
-  aspect-ratio: 16 / 9;
-  background-color: var(--brand-background);
-  color: var(--brand-text-muted);
+.plan-steps {
+  display: grid;
+  gap: 12px;
+  margin: 12px 0;
+}
+
+.plan-step {
+  align-items: start;
+  border: 1px solid var(--brand-border);
   display: flex;
-  justify-content: center;
-  text-align: center;
+  flex-wrap: wrap;
+  gap: 12px;
+  padding: 12px;
 }
 
-.screen-preview-panel > .screens-title {
-  margin-bottom: 8px;
+.plan-step-current {
+  border-color: var(--brand-accent);
 }
 
-.screen-plan {
-  margin-top: 16px;
+.step-preview {
+  flex: 0 0 160px;
+  max-width: 100%;
 }
 
-.screen-plan-step {
-  border-top: 1px solid var(--color-border);
-  padding: 8px 0;
+.step-content {
+  display: flex;
+  flex: 1 1 240px;
+  flex-direction: column;
+  gap: 8px;
+  min-width: 0;
+  overflow-wrap: anywhere;
+}
+
+.step-heading {
+  align-items: start;
+  display: grid;
+  gap: 8px;
+  grid-template-columns: minmax(0, 1fr) auto;
 }
 </style>

src/components/GameScreensPanel.vue

@@ -1,47 +1,33 @@
 <script setup lang="ts">
-import { NAlert, NButton, NFlex, NInput, NInputNumber, NSelect, NSwitch, NUpload, type UploadFileInfo } from 'naive-ui'
+import { NAlert, NButton, NFlex, NTag } from 'naive-ui'
 import { ref } from 'vue'
 
-import type { MusicState, Playlist, ScreenState } from '@/api/generated/crabs/evening_detective_server'
+import type { ScreenState } from '@/api/generated/crabs/evening_detective_server'
 import ScreenBindingModal from '@/components/ScreenBindingModal.vue'
 import UiBlock from '@/components/UiBlock.vue'
 
 const props = defineProps<{
   screens: ScreenState[]
   screenBinding: boolean
-  playlists: Playlist[]
-  music?: MusicState
+  isBusy: boolean
 }>()
 
 const emit = defineEmits<{
   bind: [screenID: string, accessToken: string]
   setSound: [screen: ScreenState]
   unbind: [screen: ScreenState]
-  setMusic: [change: { playlistID?: number; trackIndex?: number; positionMs?: number; playback?: MusicState['playback']; loop?: boolean; volume?: number }]
-  createPlaylist: [name: string]
-  deletePlaylist: [id: number]
-  uploadTrack: [file: File]
-  deleteTrack: [id: number]
 }>()
 
 const showBindingModal = ref(false)
-const playlistName = ref('')
-
-function uploadTrack(options: { file: UploadFileInfo }) {
-  if (options.file.file) emit('uploadTrack', options.file.file)
-}
-
-function selectTrack(index: number) {
-  if (index === props.music?.trackIndex) return
-  emit('setMusic', { trackIndex: index, positionMs: 0 })
-}
 </script>
 
 <template>
   <UiBlock>
     <n-flex align="center" justify="space-between" class="screen-header">
       <p class="screens-title">Экраны</p>
-      <n-button size="small" @click="showBindingModal = true"> Привязать экран </n-button>
+      <n-button size="small" :disabled="isBusy || screenBinding" @click="showBindingModal = true">
+        Привязать экран
+      </n-button>
     </n-flex>
     <n-alert
       v-if="screens.some((screen) => screen.status === 'disconnected')"
@@ -62,8 +48,16 @@ function selectTrack(index: number) {
         </div>
         <n-flex justify="end">
           <n-tag v-if="screen.soundEnabled" type="success">Со звуком</n-tag>
-          <n-button v-else size="small" @click="emit('setSound', screen)">Назначить звук</n-button>
-          <n-button size="small" type="error" ghost @click="emit('unbind', screen)">
+          <n-button v-else size="small" :disabled="isBusy" @click="emit('setSound', screen)"
+            >Назначить звук</n-button
+          >
+          <n-button
+            size="small"
+            type="error"
+            ghost
+            :disabled="isBusy"
+            @click="emit('unbind', screen)"
+          >
             Отвязать
           </n-button>
         </n-flex>
@@ -75,104 +69,6 @@ function selectTrack(index: number) {
     :binding="props.screenBinding"
     @scanned="(screenID, accessToken) => emit('bind', screenID, accessToken)"
   />
-  <UiBlock class="music-block">
-    <p class="screens-title">Музыка</p>
-    <n-flex align="center" wrap class="playlist-actions">
-      <n-input v-model:value="playlistName" placeholder="Новый плейлист" style="max-width: 220px" />
-      <n-button
-        size="small"
-        :disabled="!playlistName.trim()"
-        @click="emit('createPlaylist', playlistName.trim()); playlistName = ''"
-      >
-        Создать
-      </n-button>
-      <n-button
-        v-if="props.music?.playlist?.ID"
-        size="small"
-        type="error"
-        ghost
-        @click="emit('deletePlaylist', props.music.playlist.ID)"
-      >
-        Удалить плейлист
-      </n-button>
-      <n-upload accept=".mp3,audio/mpeg" :default-upload="false" :show-file-list="false" @change="uploadTrack">
-        <n-button size="small">Добавить MP3</n-button>
-      </n-upload>
-    </n-flex>
-    <n-flex align="center" wrap>
-      <n-select
-        :value="props.music?.playlist?.ID"
-        :options="props.playlists.map((playlist) => ({ label: playlist.name, value: playlist.ID }))"
-        placeholder="Плейлист"
-        clearable
-        style="min-width: 220px"
-        @update:value="(value) => emit('setMusic', { playlistID: value || 0, trackIndex: 0, playback: 'MUSIC_PLAYBACK_STOPPED' })"
-      />
-      <div v-if="props.music?.playlist" class="track-list">
-        <p v-if="!props.music.playlist.tracks?.length" class="track-empty">В плейлисте пока нет треков.</p>
-        <div
-          v-for="(track, index) in props.music.playlist.tracks"
-          :key="track.ID"
-          class="track-row"
-          :class="{ 'track-row-active': index === (props.music.trackIndex ?? 0) }"
-        >
-          <div class="track-main">
-            <span class="track-number">{{ index + 1 }}</span>
-            <span class="track-details">
-              <span class="track-name">{{ track.name || `Трек ${index + 1}` }}</span>
-            </span>
-          </div>
-          <n-flex align="center" class="track-actions">
-            <n-button
-              size="small"
-              :type="index === (props.music.trackIndex ?? 0) ? 'success' : 'primary'"
-              ghost
-              :class="{ 'track-switch-active': index === (props.music.trackIndex ?? 0) }"
-              @click="selectTrack(index)"
-            >
-              {{
-                index === (props.music.trackIndex ?? 0)
-                  ? props.music.playback === 'MUSIC_PLAYBACK_PLAYING'
-                    ? 'Играет'
-                    : 'Выбран'
-                  : 'Включить'
-              }}
-            </n-button>
-            <n-button size="small" type="error" ghost @click="emit('deleteTrack', track.ID!)">
-              Удалить
-            </n-button>
-          </n-flex>
-        </div>
-      </div>
-      <n-button size="small" @click="emit('setMusic', { playback: 'MUSIC_PLAYBACK_PLAYING' })">Старт</n-button>
-      <n-button size="small" @click="emit('setMusic', { playback: 'MUSIC_PLAYBACK_PAUSED' })">Пауза</n-button>
-      <n-button size="small" @click="emit('setMusic', { playback: 'MUSIC_PLAYBACK_STOPPED', positionMs: 0 })">Стоп</n-button>
-      <div class="volume-control">
-        <span class="volume-label">Громкость</span>
-        <n-input-number
-          :value="props.music?.volume ?? 100"
-          :min="0"
-          :max="100"
-          :step="5"
-          size="small"
-          :show-button="true"
-          aria-label="Громкость музыки"
-          class="volume-input"
-          @update:value="(value) => value != null && emit('setMusic', { volume: value })"
-        >
-          <template #suffix>%</template>
-        </n-input-number>
-      </div>
-      <n-switch
-        :value="props.music?.loop"
-        :round="false"
-        @update:value="(value) => emit('setMusic', { loop: value })"
-      >
-        <template #checked>Loop</template>
-        <template #unchecked>Loop</template>
-      </n-switch>
-    </n-flex>
-  </UiBlock>
 </template>
 
 <style scoped>
@@ -186,146 +82,28 @@ function selectTrack(index: number) {
   margin-bottom: 8px;
 }
 
-.music-block {
-  margin-top: 12px;
-}
-
-.playlist-actions {
-  margin: 8px 0;
-}
-
-.volume-control {
-  align-items: center;
-  display: inline-flex;
-  gap: 6px;
-}
-
-.volume-label {
-  white-space: nowrap;
-}
-
-.volume-input {
-  width: 108px;
-}
-
 .screen-row {
   align-items: center;
-  border-top: 1px solid rgb(255 255 255 / 10%);
+  border-top: 1px solid var(--brand-border);
   display: flex;
+  flex-wrap: wrap;
   gap: 8px;
   justify-content: space-between;
   padding: 8px 0;
 }
 
 .screen-status {
-  color: #aaa;
+  color: var(--brand-text-muted);
   font-size: 13px;
 }
 
 .screen-empty {
-  color: #aaa;
+  color: var(--brand-text-muted);
   margin: 16px 0 0;
 }
 
 .screen-error {
-  color: #f2a2a2;
+  color: var(--brand-error);
   font-size: 13px;
 }
-
-.track-list {
-  flex-basis: 100%;
-  margin-top: 8px;
-  padding: 0 8px;
-}
-
-.track-empty {
-  color: #aaa;
-  margin: 0;
-}
-
-.track-row {
-  align-items: center;
-  border-top: 1px solid rgb(255 255 255 / 10%);
-  display: flex;
-  gap: 8px;
-  justify-content: space-between;
-  min-height: 56px;
-  padding: 12px 8px;
-}
-
-.track-row-active {
-  background: rgb(255 255 255 / 12%);
-}
-
-.track-main {
-  align-items: center;
-  display: flex;
-  flex: 1;
-  gap: 12px;
-  overflow: hidden;
-}
-
-.track-number {
-  color: #aaa;
-  flex: 0 0 20px;
-  font-variant-numeric: tabular-nums;
-  text-align: left;
-}
-
-.track-details {
-  display: flex;
-  flex-direction: column;
-  min-width: 0;
-  text-align: left;
-}
-
-.track-name {
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-
-.track-actions {
-  flex: 0 0 auto;
-}
-
-.track-switch-active {
-  font-weight: 600;
-}
-
-@media (width < 1024px) {
-  .track-list {
-    padding: 0;
-  }
-
-  .track-row {
-    align-items: stretch;
-    flex-direction: column;
-    gap: 12px;
-    padding: 12px;
-  }
-
-  .track-main {
-    width: 100%;
-  }
-
-  .track-actions {
-    justify-content: flex-end;
-    width: 100%;
-  }
-
-  .track-actions .n-button {
-    flex: 1;
-  }
-
-  .volume-control {
-    justify-content: space-between;
-    width: 100%;
-  }
-
-  .volume-input {
-    flex: 1;
-    width: auto;
-  }
-}
 </style>

src/components/ScreenPage.vue

@@ -82,6 +82,8 @@ const musicSyncState = computed(() => [
   state.value?.music?.playlist?.ID,
   state.value?.music?.trackIndex,
   state.value?.music?.playback,
+  state.value?.music?.stateVersion,
+  state.value?.music?.positionMs,
 ] as const)
 const screenBackground = computed(() => {
   const image = state.value?.backgroundImage || state.value?.coverImage
@@ -185,7 +187,12 @@ watch(state, async (value) => {
   await nextTick()
   const media = screenMode.value === 'SCREEN_MODE_CONCLUSION' ? conclusionVideoElement.value : introAudioElement.value
   if (!media) return
+  if (
+    ['SCREEN_COMMAND_PLAY', 'SCREEN_COMMAND_REPLAY', 'SCREEN_COMMAND_STOP', 'SCREEN_COMMAND_SEEK']
+      .includes(value.command)
+  ) {
     media.currentTime = (value.positionMs || 0) / 1000
+  }
   media.volume = Math.max(0, Math.min(1, (value.volume ?? 100) / 100))
   if (value.command === 'SCREEN_COMMAND_SEEK') {
     return
@@ -226,7 +233,8 @@ watch(
     if (!media) return
     const trackChanged = !previous || value[0] !== previous[0] || value[1] !== previous[1]
     const playbackChanged = !previous || value[2] !== previous[2]
-    if (!trackChanged && !playbackChanged) return
+    const isRestart = !!previous && value[3] !== previous[3] && (value[4] ?? 0) < (previous[4] ?? 0)
+    if (!trackChanged && !playbackChanged && !isRestart) return
     await waitForMusicMetadata(media)
     media.currentTime = trackChanged ? 0 : (music.positionMs || 0) / 1000
     if (music.playback === 'MUSIC_PLAYBACK_PLAYING') {

src/components/ScreenPreview.vue

@@ -9,9 +9,10 @@ import type {
 import { applicationFileURL } from '@/utils/application'
 
 const props = defineProps<{
-  state: ScreenState
+  state: Partial<ScreenState>
   questions: ResultsQuestion[]
   teams: TeamResult[]
+  isThumbnail?: boolean
 }>()
 
 const timerNow = ref(Date.now())
@@ -42,8 +43,14 @@ watch(
   () => [props.state.timerRemainingSeconds, props.state.timerState, props.state.stateVersion],
   () => {
     const remaining = Math.max(0, Number(props.state.timerRemainingSeconds || 0))
-    if (props.state.timerState === 'SCREEN_TIMER_STATE_RUNNING' && timerStateAtSync.value === props.state.timerState) {
-      const localRemaining = Math.max(0, timerRemainingAtSync.value - (Date.now() - timerSyncedAt.value) / 1000)
+    if (
+      props.state.timerState === 'SCREEN_TIMER_STATE_RUNNING' &&
+      timerStateAtSync.value === props.state.timerState
+    ) {
+      const localRemaining = Math.max(
+        0,
+        timerRemainingAtSync.value - (Date.now() - timerSyncedAt.value) / 1000,
+      )
       if (Math.abs(remaining - localRemaining) <= 0.5) return
     }
     timerRemainingAtSync.value = remaining
@@ -54,6 +61,7 @@ watch(
 )
 
 onMounted(() => {
+  if (props.isThumbnail) return
   timerTick = window.setInterval(() => {
     timerNow.value = Date.now()
   }, 250)
@@ -65,25 +73,34 @@ onUnmounted(() => {
 </script>
 
 <template>
-  <div class="screen-preview" :style="screenBackground">
+  <div
+    class="screen-preview"
+    :class="{ 'screen-thumbnail': isThumbnail }"
+    :style="screenBackground"
+  >
     <div v-if="state.mode === 'SCREEN_MODE_TIMER'" class="timer-preview">
       <h2>{{ state.timerLabel || 'Перерыв' }}</h2>
       <strong>{{ timerDisplay }}</strong>
     </div>
-    <audio v-else-if="state.mode === 'SCREEN_MODE_INTRO' && introAudio" :src="introAudio" controls />
+    <div v-else-if="state.mode === 'SCREEN_MODE_INTRO'" class="preview-message">
+      {{ introAudio ? 'Аудиозапись введения' : 'Введение не задано' }}
+    </div>
     <video
       v-else-if="state.mode === 'SCREEN_MODE_CONCLUSION' && conclusionVideo"
       :src="conclusionVideo"
-      autoplay
+      :autoplay="!isThumbnail"
+      preload="metadata"
       class="preview-video"
-      loop
+      :loop="!isThumbnail"
       muted
       playsinline
     />
     <div v-else-if="state.mode === 'SCREEN_MODE_CONCLUSION'" class="preview-message">
       Видео закрывашки не задано
     </div>
-    <div v-else-if="state.mode === 'SCREEN_MODE_TEXT'" class="preview-message">{{ state.text }}</div>
+    <div v-else-if="state.mode === 'SCREEN_MODE_TEXT'" class="preview-message">
+      {{ state.text }}
+    </div>
     <div v-else-if="state.mode === 'SCREEN_MODE_RESULTS'" class="preview-results">
       <h2>Результаты</h2>
       <table>
@@ -101,7 +118,9 @@ onUnmounted(() => {
             <td>{{ result.place }}</td>
             <td>{{ result.team?.name }}</td>
             <td v-for="question in questions" :key="question.code">
-              {{ result.answers?.find((answer) => answer.questionCode === question.code)?.score ?? 0 }}
+              {{
+                result.answers?.find((answer) => answer.questionCode === question.code)?.score ?? 0
+              }}
             </td>
             <td>{{ result.totalScore }}</td>
             <td>{{ result.actionsCount }}</td>
@@ -109,7 +128,13 @@ onUnmounted(() => {
         </tbody>
       </table>
     </div>
-    <img v-else-if="state.coverImage" :src="state.coverImage" alt="Обложка дела" class="preview-cover" />
+    <img
+      v-else-if="state.coverImage"
+      :src="state.coverImage"
+      alt="Обложка дела"
+      class="preview-cover"
+    />
+    <div v-else class="preview-message">{{ state.gameName || 'Обложка не задана' }}</div>
   </div>
 </template>
 
@@ -117,10 +142,11 @@ onUnmounted(() => {
 .screen-preview {
   align-items: center;
   aspect-ratio: 16 / 9;
-  background-color: #111;
+  background-color: var(--brand-background);
   background-position: center;
   background-size: cover;
-  color: #eee;
+  color: var(--brand-text);
+  container-type: inline-size;
   display: flex;
   justify-content: center;
   overflow: hidden;
@@ -136,13 +162,13 @@ onUnmounted(() => {
 .timer-preview h2,
 .preview-message,
 .preview-results h2 {
-  font-size: clamp(16px, 3vw, 32px);
+  font-size: clamp(10px, 4cqw, 32px);
   margin: 0 0 10px;
 }
 
 .timer-preview strong {
   display: block;
-  font-size: clamp(48px, 10vw, 120px);
+  font-size: clamp(20px, 16cqw, 120px);
   font-variant-numeric: tabular-nums;
   line-height: 0.9;
 }
@@ -174,14 +200,26 @@ onUnmounted(() => {
 
 .preview-results table {
   border-collapse: collapse;
-  font-size: 10px;
+  font-size: clamp(3px, 1.4cqw, 10px);
   width: 100%;
 }
 
 .preview-results th,
 .preview-results td {
-  border-bottom: 1px solid rgb(255 255 255 / 18%);
+  border-bottom: 1px solid var(--brand-border);
   padding: 3px;
   text-align: left;
 }
+
+.screen-thumbnail {
+  pointer-events: none;
+}
+
+.preview-message {
+  max-height: 90%;
+  max-width: 95%;
+  overflow: hidden;
+  overflow-wrap: anywhere;
+  white-space: pre-wrap;
+}
 </style>

tests/screens-control.mjs

@@ -0,0 +1,322 @@
+// Run: node tests/screens-control.mjs
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import { runInNewContext } from 'node:vm'
+
+import ts from 'typescript'
+import * as vue from 'vue'
+import { compileScript, parse } from 'vue/compiler-sfc'
+
+function source(name) {
+  return parse(readFileSync(new URL(`../src/components/${name}.vue`, import.meta.url), 'utf8'))
+    .descriptor
+}
+function setup(name, props) {
+  const script = compileScript(source(name), { id: name })
+  const context = { exports: {}, require: (name) => (name === 'vue' ? vue : {}) }
+  runInNewContext(ts.transpile(script.content, { module: ts.ModuleKind.CommonJS }), context)
+  const events = []
+  const scope = vue.effectScope()
+  const state = scope.run(() =>
+    context.exports.default.setup(props, {
+      expose() {},
+      emit: (...event) => events.push(structuredClone(event)),
+    }),
+  )
+  return { state, events, stop: () => scope.stop() }
+}
+const playlist = (id, ids) => ({
+  ID: id,
+  name: `Плейлист ${id}`,
+  tracks: ids.map((ID) => ({ ID, name: `Трек ${ID}` })),
+})
+const props = vue.reactive({
+  playlists: [playlist(1, [11, 12]), playlist(2, [21, 22])],
+  music: { playlist: playlist(1, [11, 12]), playback: 'MUSIC_PLAYBACK_PLAYING', trackIndex: 0 },
+  isBusy: false,
+})
+const panel = setup('GameMusicPlanPanel', props)
+panel.state.edit()
+await vue.nextTick()
+panel.state.selectedId.value = 2
+await vue.nextTick()
+assert.equal(panel.events.length, 0, 'Selecting an editor playlist must not change game music')
+panel.state.uploadTrack({ file: { file: { name: 'test.mp3' } } })
+assert.deepEqual(panel.events.at(-1), ['uploadTrack', 2, { name: 'test.mp3' }])
+panel.state.move(0, 1)
+assert.deepEqual(Array.from(panel.state.order.value), [22, 21])
+props.playlists = [playlist(1, [11, 12]), playlist(2, [21, 22])]
+await vue.nextTick()
+assert.deepEqual(Array.from(panel.state.order.value), [22, 21], 'Polling must preserve draft order')
+props.playlists = [playlist(1, [11, 12]), playlist(2, [21, 22, 23])]
+await vue.nextTick()
+assert.equal(panel.state.hasConflict.value, true)
+assert.deepEqual(Array.from(panel.state.order.value), [22, 21])
+panel.state.reset()
+assert.deepEqual(Array.from(panel.state.order.value), [21, 22, 23])
+panel.state.move(0, 1)
+props.playlists = [playlist(1, [11, 12]), playlist(2, [22, 21, 23])]
+await vue.nextTick()
+assert.equal(
+  panel.state.isOrderDirty.value,
+  false,
+  'Successful save must accept the returned order',
+)
+panel.state.name.value = 'Несохранённое название'
+props.playlists = [playlist(1, [11, 12])]
+await vue.nextTick()
+assert.equal(
+  panel.state.name.value,
+  'Несохранённое название',
+  'Remote deletion must preserve the draft',
+)
+assert.equal(panel.state.selectedId.value, 2)
+panel.state.reset()
+assert.equal(panel.state.selectedId.value, null)
+assert.equal(panel.state.playbackLabel.value, 'Пауза')
+props.music.playback = 'MUSIC_PLAYBACK_PAUSED'
+assert.equal(panel.state.playbackLabel.value, 'Продолжить')
+props.music.playback = 'MUSIC_PLAYBACK_STOPPED'
+assert.equal(panel.state.playbackLabel.value, 'Старт')
+panel.state.newName.value = 'Черновик нового плейлиста'
+props.playlists = [playlist(1, [11, 12]), playlist(3, [31, 32])]
+await vue.nextTick()
+assert.equal(panel.state.newName.value, 'Черновик нового плейлиста', 'Background library updates must preserve a new playlist name')
+panel.stop()
+
+const screenProps = vue.reactive({
+  screens: [{ status: 'connected', timerState: 'SCREEN_TIMER_STATE_RUNNING' }],
+  previewQuestions: [],
+  previewTeams: [],
+  screenPlanDraft: [],
+  screenPlanSaving: false,
+  screenPlanMode: 'use',
+  screenVolume: 100,
+  isBusy: false,
+})
+const screens = setup('GameScreenPlanPanel', screenProps)
+for (const [timerState, command] of [
+  ['RUNNING', 'PAUSE'],
+  ['PAUSED', 'RESUME'],
+  ['STOPPED', 'START'],
+  ['FINISHED', 'START'],
+]) {
+  screenProps.screens[0].timerState = `SCREEN_TIMER_STATE_${timerState}`
+  assert.equal(screens.state.timerControl.value.command, `SCREEN_COMMAND_TIMER_${command}`)
+}
+screenProps.screens = []
+assert.equal(screens.state.hasConnectedScreen.value, false)
+assert.equal(
+  screens.state.thumbnail({ mode: 'SCREEN_MODE_TEXT', text: 'Offline draft' }).text,
+  'Offline draft',
+)
+screens.stop()
+
+function functions(name, names) {
+  const text = source(name).scriptSetup.content
+  const ast = ts.createSourceFile(`${name}.ts`, text, ts.ScriptTarget.Latest, true)
+  return ast.statements
+    .filter((item) => ts.isFunctionDeclaration(item) && names.includes(item.name.text))
+    .map((item) => item.getText(ast))
+    .join('\n')
+}
+const errors = []
+const calls = []
+const state = {
+  Error,
+  music: vue.ref({
+    playlist: playlist(1, [11, 12]),
+    positionMs: 5000,
+    playback: 'MUSIC_PLAYBACK_PLAYING',
+  }),
+  playlists: vue.ref([]),
+  isMusicBusy: vue.ref(false),
+  musicRequestVersion: 0,
+  musicSyncedAt: Date.now(),
+  gameId: '7',
+  message: { error: (error) => errors.push(error), success() {} },
+  client: {
+    GetGameMusic: async () => ({
+      playlists: [playlist(2, [21, 22])],
+      state: { playlist: playlist(1, [11, 12]) },
+    }),
+    SetGameMusic: async (request) => {
+      calls.push(request)
+      return { state: { ...state.music.value, ...request } }
+    },
+    DeletePlaylistTrack: async (request) => {
+      calls.push(request)
+    },
+    UploadPlaylistTrack: async (request) => {
+      calls.push(request)
+    },
+    ReorderPlaylistTracks: async () => {
+      throw new Error('Save failed')
+    },
+  },
+  btoa: (value) => Buffer.from(value, 'binary').toString('base64'),
+}
+runInNewContext(
+  ts.transpile(
+    functions('GamePage', [
+      'getGameMusic',
+      'setGameMusic',
+      'deleteTrack',
+      'uploadTrack',
+      'uint8ToBase64',
+      'reorderTracks',
+    ]),
+    { target: ts.ScriptTarget.ES2022 },
+  ),
+  state,
+)
+await state.deleteTrack(2, 21)
+assert.deepEqual({ ...calls.at(-1) }, { playlistID: 2, trackID: 21 })
+await state.uploadTrack(2, {
+  name: 'test.mp3',
+  size: 3,
+  arrayBuffer: async () => Uint8Array.from([1, 2, 3]).buffer,
+})
+assert.equal(calls.at(-1).playlistID, 2)
+for (const file of [
+  { name: 'empty.mp3', size: 0 },
+  { name: 'large.mp3', size: 64 * 1024 * 1024 + 1 },
+]) {
+  const before = calls.length
+  await state.uploadTrack(2, file)
+  assert.equal(calls.length, before)
+}
+const count = calls.length
+await state.uploadTrack(2, { name: 'test.png', size: 3 })
+assert.equal(calls.length, count)
+await state.reorderTracks(2, [22, 21])
+assert.equal(errors.at(-1), 'Save failed')
+assert.equal(state.isMusicBusy.value, false)
+state.music.value = {
+  playlist: playlist(1, [11, 12]),
+  positionMs: 5000,
+  playback: 'MUSIC_PLAYBACK_PLAYING',
+}
+state.musicSyncedAt = Date.now() - 1500
+await state.setGameMusic({ playback: 'MUSIC_PLAYBACK_PAUSED' })
+assert.ok(calls.at(-1).positionMs >= 6500, 'Pausing must include time elapsed since the last poll')
+let resolvePoll
+state.client.GetGameMusic = () =>
+  new Promise((resolve) => {
+    resolvePoll = resolve
+  })
+const poll = state.getGameMusic()
+await state.setGameMusic({ volume: 40 })
+resolvePoll({ state: { volume: 1 }, playlists: [] })
+await poll
+assert.equal(state.music.value.volume, 40, 'An old poll must not overwrite a successful command')
+
+const planState = {
+  Error,
+  screenPlanSaving: vue.ref(false),
+  screenPlanRequestVersion: 0,
+  screenPlanDraft: vue.ref([{ mode: 'SCREEN_MODE_TIMER', timerDurationSeconds: 0 }]),
+  screenPlan: vue.ref(),
+  screenPlanDirty: vue.ref(true),
+  screenPlanMode: vue.ref('edit'),
+  gameId: '7',
+  message: state.message,
+  client: {
+    SaveScreenPlan: async () => {
+      throw new Error('Plan save failed')
+    },
+  },
+}
+runInNewContext(
+  ts.transpile(functions('GamePage', ['saveScreenPlan']), { target: ts.ScriptTarget.ES2022 }),
+  planState,
+)
+await planState.saveScreenPlan()
+assert.match(errors.at(-1), /шаге 1/)
+planState.screenPlanDraft.value[0].timerDurationSeconds = 60
+await planState.saveScreenPlan()
+assert.equal(errors.at(-1), 'Plan save failed')
+assert.equal(planState.screenPlanMode.value, 'edit')
+assert.equal(planState.screenPlanDirty.value, true)
+assert.equal(planState.screenPlanDraft.value[0].timerDurationSeconds, 60)
+assert.equal(planState.screenPlanSaving.value, false)
+
+function watcher(name, observed) {
+  const script = source(name).scriptSetup.content
+  const ast = ts.createSourceFile(`${name}.ts`, script, ts.ScriptTarget.Latest, true)
+  const statement = ast.statements.find(
+    (item) =>
+      ts.isExpressionStatement(item) &&
+      ts.isCallExpression(item.expression) &&
+      item.expression.expression.getText(ast) === 'watch' &&
+      item.expression.arguments[0].getText(ast) === observed,
+  )
+  return `const handler = ${statement.expression.arguments[1].getText(ast)}`
+}
+const media = {
+  currentTime: 23,
+  volume: 1,
+  readyState: 1,
+  play() {
+    this.played = true
+    return Promise.resolve()
+  },
+  pause() {
+    this.paused = true
+  },
+}
+const player = {
+  appliedCommandVersion: 0,
+  nextTick: vue.nextTick,
+  screenMode: vue.ref('SCREEN_MODE_INTRO'),
+  introAudioElement: vue.ref(media),
+  conclusionVideoElement: vue.ref(null),
+  mediaError: vue.ref(''),
+}
+runInNewContext(
+  ts.transpile(watcher('ScreenPage', 'state') + '\nthis.commandHandler = handler', {
+    target: ts.ScriptTarget.ES2022,
+  }),
+  player,
+)
+for (const [index, command] of ['VOLUME', 'PAUSE', 'RESUME'].entries()) {
+  await player.commandHandler({
+    command: `SCREEN_COMMAND_${command}`,
+    stateVersion: index + 1,
+    positionMs: 0,
+    volume: 30,
+  })
+  assert.equal(media.currentTime, 23, `${command} must preserve playback position`)
+}
+await player.commandHandler({ command: 'SCREEN_COMMAND_REPLAY', stateVersion: 4, positionMs: 0 })
+assert.equal(media.currentTime, 0)
+const musicPlayer = {
+  state: vue.ref({
+    music: { playlist: playlist(1, [11]), playback: 'MUSIC_PLAYBACK_PLAYING', positionMs: 0 },
+  }),
+  nextTick: vue.nextTick,
+  musicAudioElement: vue.ref(media),
+  waitForMusicMetadata: async () => {},
+  mediaError: vue.ref(''),
+}
+runInNewContext(
+  ts.transpile(watcher('ScreenPage', 'musicSyncState') + '\nthis.musicHandler = handler', {
+    target: ts.ScriptTarget.ES2022,
+  }),
+  musicPlayer,
+)
+media.currentTime = 23
+await musicPlayer.musicHandler(
+  [1, 0, 'MUSIC_PLAYBACK_PLAYING', 2, 0],
+  [1, 0, 'MUSIC_PLAYBACK_PLAYING', 1, 20000],
+)
+assert.equal(media.currentTime, 0, 'Restarting the current track must reset the player')
+media.currentTime = 23
+await musicPlayer.musicHandler(
+  [1, 0, 'MUSIC_PLAYBACK_PLAYING', 2, 21000],
+  [1, 0, 'MUSIC_PLAYBACK_PLAYING', 2, 20000],
+)
+assert.equal(media.currentTime, 23, 'Polling must not seek the player')
+console.log(
+  'Screen controls: drafts, conflicts, explicit playlist IDs, timer/music controls, errors, stale polls and playback positions passed',
+)