feat(ws): 添加WebSocket客户端及房间状态处理功能

- 实现WebSocket客户端类，支持连接、发送消息、状态监听和自动重连 - 添加房间信息和状态的消息处理器，用于同步游戏状态和玩家数据 - 实现房间快照解析功能，处理玩家信息、游戏阶段、计时器等数据结构 - 集成会话状态适配器，管理房间倒计时、结算截止时间等状态变更 - 添加单例WebSocket客户端实例，统一管理WebSocket连接生命周期
feat(game): 添加成都麻将游戏核心功能实现
2026-04-06 15:13:43 +08:00 · 2026-04-03 22:41:58 +08:00 · 2026-04-03 20:48:31 +08:00 · 2026-04-03 20:46:50 +08:00 · 2026-04-03 15:53:52 +08:00 · 2026-04-03 15:24:46 +08:00
38 changed files with 4347 additions and 3351 deletions
--- a/src/api/mahjong.ts
+++ b/src/api/mahjong.ts
@@ -1,6 +1,6 @@
-import { authedRequest, type AuthSession } from './authed-request'
+import {authedRequest, type AuthSession} from './authed-request'

-export interface RoomItem {
+export interface Room {
    room_id: string
    name: string
    game_type: string
@@ -20,7 +20,7 @@ export interface RoomItem {
 }

 export interface RoomListResult {
-  items: RoomItem[]
+    items: Room[]
    page: number
    size: number
    total: number
@@ -35,8 +35,8 @@ export async function createRoom(
    auth: AuthSession,
    input: { name: string; gameType: string; totalRounds: number; maxPlayers: number },
    onAuthUpdated?: (next: AuthSession) => void,
-): Promise<RoomItem> {
-  return authedRequest<RoomItem>({
+): Promise<Room> {
+    return authedRequest<Room>({
        method: 'POST',
        path: ROOM_CREATE_PATH,
        auth,
@@ -66,8 +66,8 @@ export async function joinRoom(
    auth: AuthSession,
    input: { roomId: string },
    onAuthUpdated?: (next: AuthSession) => void,
-): Promise<RoomItem> {
-  return authedRequest<RoomItem>({
+): Promise<Room> {
+    return authedRequest<Room>({
        method: 'POST',
        path: ROOM_JOIN_PATH,
        auth,
--- a/src/components/chengdu/ChengduBottomActions.vue
+++ b/src/components/chengdu/ChengduBottomActions.vue
@@ -0,0 +1,123 @@
+<script setup lang="ts">
+import type { ClaimOptionState } from '../../types/state'
+import type { Tile } from '../../types/tile'
+
+defineProps<{
+  showDingQueChooser: boolean
+  showReadyToggle: boolean
+  showStartGameButton: boolean
+  selectedDiscardTile: Tile | null
+  dingQuePending: boolean
+  canConfirmDiscard: boolean
+  discardPending: boolean
+  confirmDiscardLabel: string
+  readyTogglePending: boolean
+  myReadyState: boolean
+  canDrawTile: boolean
+  canStartGame: boolean
+  isRoomOwner: boolean
+  canSelfGang: boolean
+  canSelfHu: boolean
+  showClaimActions: boolean
+  turnActionPending: boolean
+  visibleClaimOptions: ClaimOptionState[]
+  claimActionPending: boolean
+  showWaitingOwnerTip: boolean
+}>()
+
+const emit = defineEmits<{
+  chooseDingQue: [suit: Tile['suit']]
+  confirmDiscard: []
+  toggleReadyState: []
+  drawTile: []
+  startGame: []
+  submitSelfGang: []
+  submitSelfHu: []
+  submitClaim: [action: ClaimOptionState]
+}>()
+</script>
+
+<template>
+  <div v-if="showWaitingOwnerTip" class="waiting-owner-tip">
+    <span>等待房主开始游戏</span>
+  </div>
+
+  <div class="bottom-control-panel">
+    <div v-if="showDingQueChooser || showReadyToggle || showStartGameButton || selectedDiscardTile" class="bottom-action-bar">
+      <div v-if="showDingQueChooser" class="ding-que-bar">
+        <button class="ding-que-button" data-testid="ding-que-w" type="button" :disabled="dingQuePending" @click="emit('chooseDingQue', 'W')">万</button>
+        <button class="ding-que-button" data-testid="ding-que-t" type="button" :disabled="dingQuePending" @click="emit('chooseDingQue', 'T')">筒</button>
+        <button class="ding-que-button" data-testid="ding-que-b" type="button" :disabled="dingQuePending" @click="emit('chooseDingQue', 'B')">条</button>
+      </div>
+
+      <button
+        v-if="selectedDiscardTile"
+        class="ready-toggle ready-toggle-inline discard-confirm-button"
+        data-testid="confirm-discard"
+        type="button"
+        :disabled="!canConfirmDiscard || discardPending"
+        @click="emit('confirmDiscard')"
+      >
+        <span class="ready-toggle-label">{{ confirmDiscardLabel }}</span>
+      </button>
+
+      <button
+        v-if="showReadyToggle"
+        class="ready-toggle ready-toggle-inline"
+        data-testid="ready-toggle"
+        type="button"
+        :disabled="readyTogglePending"
+        @click="emit('toggleReadyState')"
+      >
+        <span class="ready-toggle-label">{{ myReadyState ? '取 消' : '准 备' }}</span>
+      </button>
+
+      <button v-if="canDrawTile" class="ready-toggle ready-toggle-inline" data-testid="draw-tile" type="button" @click="emit('drawTile')">
+        <span class="ready-toggle-label">摸牌</span>
+      </button>
+
+      <button
+        v-if="showStartGameButton && isRoomOwner"
+        class="ready-toggle ready-toggle-inline"
+        data-testid="start-game"
+        type="button"
+        :disabled="!canStartGame"
+        @click="emit('startGame')"
+      >
+        <span class="ready-toggle-label">开始游戏</span>
+      </button>
+    </div>
+
+    <div v-if="canSelfGang" class="hand-action-bar">
+      <button class="hand-action-tile" data-testid="hand-gang" type="button" :disabled="turnActionPending" @click="emit('submitSelfGang')">
+        杠
+      </button>
+    </div>
+
+    <div v-if="canSelfHu || showClaimActions" class="claim-action-bar" data-testid="claim-action-bar">
+      <button
+        v-if="canSelfHu"
+        class="ready-toggle ready-toggle-inline"
+        data-testid="claim-self-hu"
+        type="button"
+        :disabled="turnActionPending"
+        @click="emit('submitSelfHu')"
+      >
+        <span class="ready-toggle-label">胡</span>
+      </button>
+      <button
+        v-for="option in visibleClaimOptions"
+        :key="option"
+        class="ready-toggle ready-toggle-inline"
+        :data-testid="`claim-${option}`"
+        type="button"
+        :disabled="claimActionPending"
+        @click="emit('submitClaim', option)"
+      >
+        <span class="ready-toggle-label">
+          {{ option === 'peng' ? '碰' : option === 'gang' ? '杠' : option === 'hu' ? '胡' : '过' }}
+        </span>
+      </button>
+    </div>
+  </div>
+</template>
--- a/src/components/chengdu/ChengduDeskZones.vue
+++ b/src/components/chengdu/ChengduDeskZones.vue
@@ -0,0 +1,55 @@
+<script setup lang="ts">
+import type { SeatKey } from '../../game/seat'
+import type { DeskSeatState } from '../../views/chengdu/types'
+
+defineProps<{
+  deskSeats: Record<SeatKey, DeskSeatState>
+}>()
+</script>
+
+<template>
+  <div v-if="deskSeats.top.tiles.length > 0 || deskSeats.top.hasHu" class="desk-zone desk-zone-top">
+    <img
+      v-for="tile in deskSeats.top.tiles"
+      :key="tile.key"
+      class="desk-tile"
+      :class="{ 'is-group-start': tile.isGroupStart, 'is-covered': tile.imageType === 'covered' }"
+      :src="tile.src"
+      :alt="tile.alt"
+    />
+    <span v-if="deskSeats.top.hasHu" class="desk-hu-flag">胡</span>
+  </div>
+  <div v-if="deskSeats.right.tiles.length > 0 || deskSeats.right.hasHu" class="desk-zone desk-zone-right">
+    <img
+      v-for="tile in deskSeats.right.tiles"
+      :key="tile.key"
+      class="desk-tile"
+      :class="{ 'is-group-start': tile.isGroupStart, 'is-covered': tile.imageType === 'covered' }"
+      :src="tile.src"
+      :alt="tile.alt"
+    />
+    <span v-if="deskSeats.right.hasHu" class="desk-hu-flag">胡</span>
+  </div>
+  <div v-if="deskSeats.bottom.tiles.length > 0 || deskSeats.bottom.hasHu" class="desk-zone desk-zone-bottom">
+    <img
+      v-for="tile in deskSeats.bottom.tiles"
+      :key="tile.key"
+      class="desk-tile"
+      :class="{ 'is-group-start': tile.isGroupStart, 'is-covered': tile.imageType === 'covered' }"
+      :src="tile.src"
+      :alt="tile.alt"
+    />
+    <span v-if="deskSeats.bottom.hasHu" class="desk-hu-flag">胡</span>
+  </div>
+  <div v-if="deskSeats.left.tiles.length > 0 || deskSeats.left.hasHu" class="desk-zone desk-zone-left">
+    <img
+      v-for="tile in deskSeats.left.tiles"
+      :key="tile.key"
+      class="desk-tile"
+      :class="{ 'is-group-start': tile.isGroupStart, 'is-covered': tile.imageType === 'covered' }"
+      :src="tile.src"
+      :alt="tile.alt"
+    />
+    <span v-if="deskSeats.left.hasHu" class="desk-hu-flag">胡</span>
+  </div>
+</template>
--- a/src/components/chengdu/ChengduSettlementOverlay.vue
+++ b/src/components/chengdu/ChengduSettlementOverlay.vue
@@ -0,0 +1,73 @@
+<script setup lang="ts">
+defineProps<{
+  show: boolean
+  isLastRound: boolean
+  currentRound: number
+  totalRounds: number
+  settlementPlayers: Array<{
+    playerId: string
+    displayName: string
+    score: number
+    isWinner: boolean
+    seatIndex: number
+  }>
+  loggedInUserId: string
+  nextRoundPending: boolean
+  settlementCountdown: number | null
+}>()
+
+const emit = defineEmits<{
+  nextRound: []
+  backHall: []
+}>()
+</script>
+
+<template>
+  <div v-if="show" class="settlement-overlay">
+    <div class="settlement-panel">
+      <h2 class="settlement-title">
+        {{ isLastRound ? '最终结算' : `第 ${currentRound} 局结算` }}
+      </h2>
+      <p v-if="totalRounds > 0" class="settlement-round-info">{{ currentRound }} / {{ totalRounds }} 局</p>
+      <div class="settlement-list">
+        <div
+          v-for="(item, index) in settlementPlayers"
+          :key="item.playerId"
+          class="settlement-row"
+          :class="{ 'is-winner': item.isWinner, 'is-self': item.playerId === loggedInUserId }"
+        >
+          <span class="settlement-rank">{{ index + 1 }}</span>
+          <span class="settlement-name">
+            {{ item.displayName }}
+            <span v-if="item.isWinner" class="settlement-winner-badge">胡</span>
+          </span>
+          <span class="settlement-score" :class="{ 'is-positive': item.score > 0, 'is-negative': item.score < 0 }">
+            {{ item.score > 0 ? '+' : '' }}{{ item.score }}
+          </span>
+        </div>
+      </div>
+      <div class="settlement-actions">
+        <button
+          v-if="!isLastRound"
+          class="ready-toggle ready-toggle-inline settlement-btn"
+          type="button"
+          :disabled="nextRoundPending"
+          @click="emit('nextRound')"
+        >
+          <span class="ready-toggle-label">
+            {{
+              nextRoundPending
+                ? '准备中...'
+                : settlementCountdown != null && settlementCountdown > 0
+                  ? `下一局 (${settlementCountdown}s)`
+                  : '下一局'
+            }}
+          </span>
+        </button>
+        <button v-else class="ready-toggle ready-toggle-inline settlement-btn" type="button" @click="emit('backHall')">
+          <span class="ready-toggle-label">返回大厅</span>
+        </button>
+      </div>
+    </div>
+  </div>
+</template>
--- a/src/components/chengdu/ChengduTableHeader.vue
+++ b/src/components/chengdu/ChengduTableHeader.vue
@@ -0,0 +1,112 @@
+<script setup lang="ts">
+import type { ActionCountdownView } from '../../views/chengdu/types'
+
+defineProps<{
+  leaveRoomPending: boolean
+  menuOpen: boolean
+  menuTriggerActive: boolean
+  isTrustMode: boolean
+  wallCount: number
+  networkLabel: string
+  wsStatus: string
+  formattedClock: string
+  roomName: string
+  currentPhaseText: string
+  playerCount: number
+  maxPlayers: number
+  roundText: string
+  roomStatusText: string
+  wsError: string
+  actionCountdown: ActionCountdownView | null
+}>()
+
+const emit = defineEmits<{
+  toggleMenu: []
+  toggleTrustMode: []
+  leaveRoom: []
+}>()
+</script>
+
+<template>
+  <div class="top-left-tools">
+    <div class="menu-trigger-wrap">
+      <button
+        class="metal-circle menu-trigger"
+        :class="{ 'is-feedback': menuTriggerActive }"
+        type="button"
+        :disabled="leaveRoomPending"
+        @click.stop="emit('toggleMenu')"
+      >
+        <span class="menu-trigger-icon">☰</span>
+      </button>
+      <transition name="menu-pop">
+        <div v-if="menuOpen" class="menu-popover" @click.stop>
+          <div class="menu-list">
+            <button class="menu-item menu-item-delay-1" type="button" @click="emit('toggleTrustMode')">
+              <slot name="robot-icon" />
+              <span>{{ isTrustMode ? '取消托管' : '托管' }}</span>
+            </button>
+            <button
+              class="menu-item menu-item-danger menu-item-delay-2"
+              type="button"
+              :disabled="leaveRoomPending"
+              @click="emit('leaveRoom')"
+            >
+              <slot name="exit-icon" />
+              <span>{{ leaveRoomPending ? '退出中...' : '退出' }}</span>
+            </button>
+          </div>
+        </div>
+      </transition>
+    </div>
+    <div class="left-counter">
+      <span class="counter-light"></span>
+      <strong>{{ wallCount }}</strong>
+    </div>
+    <span v-if="isTrustMode" class="trust-chip">托管中</span>
+  </div>
+
+  <div class="top-right-clock">
+    <div class="signal-chip">
+      <span class="wifi-dot" :class="`is-${wsStatus}`"></span>
+      <strong>{{ networkLabel }}</strong>
+    </div>
+    <span>{{ formattedClock }}</span>
+  </div>
+
+  <div class="room-status-panel">
+    <div class="room-status-grid">
+      <div class="room-status-item">
+        <span>房间</span>
+        <strong>{{ roomName || '未命名' }}</strong>
+      </div>
+      <div class="room-status-item">
+        <span>阶段</span>
+        <strong>{{ currentPhaseText }}</strong>
+      </div>
+      <div class="room-status-item">
+        <span>人数</span>
+        <strong>{{ playerCount }}/{{ maxPlayers }}</strong>
+      </div>
+      <div v-if="roundText" class="room-status-item">
+        <span>局数</span>
+        <strong>{{ roundText }}</strong>
+      </div>
+      <div class="room-status-item">
+        <span>状态</span>
+        <strong>{{ roomStatusText }}</strong>
+      </div>
+    </div>
+    <p v-if="wsError" class="room-status-error">{{ wsError }}</p>
+  </div>
+
+  <div v-if="actionCountdown" class="action-countdown" :class="{ 'is-self': actionCountdown.isSelf }">
+    <div class="action-countdown-head">
+      <span>{{ actionCountdown.playerLabel }}操作倒计时</span>
+      <strong>{{ actionCountdown.remaining }}s</strong>
+    </div>
+    <div class="action-countdown-track">
+      <span class="action-countdown-fill" :style="{ width: `${actionCountdown.progress}%` }"></span>
+    </div>
+  </div>
+</template>
--- a/src/components/chengdu/ChengduWallSeats.vue
+++ b/src/components/chengdu/ChengduWallSeats.vue
@@ -0,0 +1,90 @@
+<script setup lang="ts">
+import type { SeatKey } from '../../game/seat'
+import type { Tile } from '../../types/tile'
+import type { WallSeatState } from '../../views/chengdu/types'
+
+defineProps<{
+  wallSeats: Record<SeatKey, WallSeatState>
+  selectedDiscardTileId: number | null
+  discardBlockedReason: string
+  discardTileBlockedReason: (tile: Tile) => string
+  formatTile: (tile: Tile) => string
+}>()
+
+const emit = defineEmits<{
+  selectDiscardTile: [tile: Tile]
+}>()
+</script>
+
+<template>
+  <div v-if="wallSeats.top.tiles.length > 0" class="wall wall-top wall-live">
+    <img
+      v-for="(tile, index) in wallSeats.top.tiles"
+      :key="tile.key"
+      class="wall-live-tile"
+      :class="{
+        'is-group-start': index > 0 && tile.suit && wallSeats.top.tiles[index - 1]?.suit !== tile.suit,
+        'is-exposed': tile.imageType !== 'hand',
+      }"
+      :src="tile.src"
+      :alt="tile.alt"
+    />
+  </div>
+  <div v-if="wallSeats.right.tiles.length > 0" class="wall wall-right wall-live">
+    <img
+      v-for="(tile, index) in wallSeats.right.tiles"
+      :key="tile.key"
+      class="wall-live-tile"
+      :class="{
+        'is-group-start': index > 0 && tile.suit && wallSeats.right.tiles[index - 1]?.suit !== tile.suit,
+        'is-exposed': tile.imageType !== 'hand',
+      }"
+      :src="tile.src"
+      :alt="tile.alt"
+    />
+  </div>
+  <div v-if="wallSeats.bottom.tiles.length > 0" class="wall wall-bottom wall-live">
+    <template v-for="(tile, index) in wallSeats.bottom.tiles" :key="tile.key">
+      <button
+        v-if="tile.tile && tile.imageType === 'hand'"
+        class="wall-live-tile-button"
+        :class="{
+          'is-group-start': index > 0 && tile.suit && wallSeats.bottom.tiles[index - 1]?.suit !== tile.suit,
+          'is-lack-tagged': tile.showLackTag,
+          'is-selected': selectedDiscardTileId === tile.tile.id,
+        }"
+        :data-testid="`hand-tile-${tile.tile.id}`"
+        type="button"
+        :disabled="Boolean(discardBlockedReason)"
+        :title="discardTileBlockedReason(tile.tile) || formatTile(tile.tile)"
+        @click="emit('selectDiscardTile', tile.tile)"
+      >
+        <span v-if="tile.showLackTag" class="wall-live-tile-lack-tag">缺</span>
+        <img class="wall-live-tile" :src="tile.src" :alt="tile.alt" />
+      </button>
+      <img
+        v-else
+        class="wall-live-tile"
+        :class="{
+          'is-group-start': index > 0 && tile.suit && wallSeats.bottom.tiles[index - 1]?.suit !== tile.suit,
+          'is-exposed': tile.imageType !== 'hand',
+        }"
+        :src="tile.src"
+        :alt="tile.alt"
+      />
+    </template>
+  </div>
+  <div v-if="wallSeats.left.tiles.length > 0" class="wall wall-left wall-live">
+    <img
+      v-for="(tile, index) in wallSeats.left.tiles"
+      :key="tile.key"
+      class="wall-live-tile"
+      :class="{
+        'is-group-start': index > 0 && tile.suit && wallSeats.left.tiles[index - 1]?.suit !== tile.suit,
+        'is-exposed': tile.imageType !== 'hand',
+      }"
+      :src="tile.src"
+      :alt="tile.alt"
+    />
+  </div>
+</template>
--- a/src/game/actions.ts
+++ b/src/game/actions.ts
@@ -17,6 +17,7 @@ export interface RoomPlayerUpdatePayload {
        avatar_url?: string
        Ready?: boolean
        ready?: boolean
+        is_ready?: boolean
        MissingSuit?: string | null
        missing_suit?: string | null
    }>
@@ -29,6 +30,22 @@ export interface RoomTrusteePayload {
    reason?: string
 }

+export interface DiscardActionPayload {
+    player_id?: string
+    playerId?: string
+    PlayerID?: string
+    tile?: Tile
+    next_seat?: number
+    nextSeat?: number
+}
+
+export interface DrawActionPayload {
+    player_id?: string
+    playerId?: string
+    PlayerID?: string
+    tile?: Tile
+}
+
 export interface PlayerTurnPayload {
    player_id?: string
    playerId?: string
@@ -41,6 +58,9 @@ export interface PlayerTurnPayload {
    allow_actions?: string[]
    allowActions?: string[]
    AllowActions?: string[]
+    available_actions?: string[]
+    availableActions?: string[]
+    AvailableActions?: string[]
 }


@@ -65,20 +85,13 @@ export type GameAction =
    // 摸牌
    | {
    type: 'DRAW_TILE'
-    payload: {
-        playerId: string
-        tile: Tile
-    }
+    payload: DrawActionPayload
 }

    // 出牌
    | {
    type: 'PLAY_TILE'
-    payload: {
-        playerId: string
-        tile: Tile
-        nextSeat: number
-    }
+    payload: DiscardActionPayload
 }

    // 进入操作窗口（碰/杠/胡）
--- a/src/game/chengdu/messageNormalizers.ts
+++ b/src/game/chengdu/messageNormalizers.ts
@@ -0,0 +1,283 @@
+import type {
+  ClaimOptionState,
+  MeldState,
+  PendingClaimState,
+  PlayerState,
+  Tile,
+} from '../../types/state'
+
+export function normalizeWsType(type: string): string {
+  return type.replace(/[-\s]/g, '_').toUpperCase()
+}
+
+export function asRecord(value: unknown): Record<string, unknown> | null {
+  return value && typeof value === 'object' ? (value as Record<string, unknown>) : null
+}
+
+export function readString(source: Record<string, unknown>, ...keys: string[]): string {
+  for (const key of keys) {
+    const value = source[key]
+    if (typeof value === 'string' && value.trim()) {
+      return value
+    }
+  }
+  return ''
+}
+
+export function readNumber(source: Record<string, unknown>, ...keys: string[]): number | null {
+  for (const key of keys) {
+    const value = source[key]
+    if (typeof value === 'number' && Number.isFinite(value)) {
+      return value
+    }
+  }
+  return null
+}
+
+export function normalizeTimestampMs(value: number | null): number | null {
+  if (typeof value !== 'number' || !Number.isFinite(value) || value <= 0) {
+    return null
+  }
+  return value >= 1_000_000_000_000 ? value : value * 1000
+}
+
+export function readStringArray(source: Record<string, unknown>, ...keys: string[]): string[] {
+  for (const key of keys) {
+    const value = source[key]
+    if (Array.isArray(value)) {
+      return value.filter((item): item is string => typeof item === 'string')
+    }
+  }
+  return []
+}
+
+export function readBoolean(source: Record<string, unknown>, ...keys: string[]): boolean | null {
+  for (const key of keys) {
+    const value = source[key]
+    if (typeof value === 'boolean') {
+      return value
+    }
+    if (typeof value === 'number') {
+      if (value === 1) {
+        return true
+      }
+      if (value === 0) {
+        return false
+      }
+    }
+    if (typeof value === 'string') {
+      const normalized = value.trim().toLowerCase()
+      if (normalized === 'true' || normalized === '1') {
+        return true
+      }
+      if (normalized === 'false' || normalized === '0') {
+        return false
+      }
+    }
+  }
+  return null
+}
+
+export function readMissingSuit(source: Record<string, unknown> | null | undefined): string | null {
+  if (!source) {
+    return null
+  }
+  return readString(source, 'missing_suit', 'MissingSuit', 'ding_que', 'dingQue', 'suit', 'Suit') || null
+}
+
+export function readMissingSuitWithPresence(
+  source: Record<string, unknown> | null | undefined,
+): { present: boolean; value: string | null } {
+  if (!source) {
+    return { present: false, value: null }
+  }
+
+  const keys = ['missing_suit', 'MissingSuit', 'ding_que', 'dingQue', 'suit', 'Suit']
+  const hasMissingSuitField = keys.some((key) => Object.prototype.hasOwnProperty.call(source, key))
+  if (!hasMissingSuitField) {
+    return { present: false, value: null }
+  }
+
+  return { present: true, value: readMissingSuit(source) }
+}
+
+export function tileToText(tile: Tile): string {
+  return `${tile.suit}${tile.value}`
+}
+
+export function readPlayerTurnPlayerId(payload: Record<string, unknown>): string {
+  return (
+    (typeof payload.player_id === 'string' && payload.player_id) ||
+    (typeof payload.playerId === 'string' && payload.playerId) ||
+    (typeof payload.PlayerID === 'string' && payload.PlayerID) ||
+    ''
+  )
+}
+
+export function readPlayerTurnAllowActions(payload: Record<string, unknown>): string[] {
+  const source =
+    payload.allow_actions ??
+    payload.allowActions ??
+    payload.AllowActions ??
+    payload.available_actions ??
+    payload.availableActions ??
+    payload.AvailableActions
+  if (!Array.isArray(source)) {
+    return []
+  }
+
+  const actions = source
+    .filter((item): item is string => typeof item === 'string')
+    .map((item) => item.trim().toLowerCase())
+    .filter((item) => item.length > 0)
+  return Array.from(new Set(actions))
+}
+
+export function normalizeTile(tile: unknown): Tile | null {
+  const source = asRecord(tile)
+  if (!source) {
+    return null
+  }
+
+  const id = readNumber(source, 'id')
+  const suit = readString(source, 'suit') as Tile['suit'] | ''
+  const value = readNumber(source, 'value')
+  if (typeof id !== 'number' || !suit || typeof value !== 'number') {
+    return null
+  }
+
+  if (suit !== 'W' && suit !== 'T' && suit !== 'B') {
+    return null
+  }
+
+  return { id, suit, value }
+}
+
+export function normalizeTiles(value: unknown): Tile[] {
+  if (!Array.isArray(value)) {
+    return []
+  }
+
+  return value.map((item) => normalizeTile(item)).filter((item): item is Tile => Boolean(item))
+}
+
+export function normalizePendingClaim(
+  gameState: Record<string, unknown> | null | undefined,
+  loggedInUserId: string,
+): PendingClaimState | undefined {
+  if (!gameState || !loggedInUserId) {
+    return undefined
+  }
+
+  const pendingClaim = asRecord(gameState.pending_claim ?? gameState.pendingClaim)
+  if (!pendingClaim) {
+    return undefined
+  }
+
+  const selfOptions = asRecord(pendingClaim[loggedInUserId])
+  if (!selfOptions) {
+    return undefined
+  }
+
+  const options: ClaimOptionState[] = []
+  if (readBoolean(selfOptions, 'hu')) {
+    options.push('hu')
+  }
+  if (readBoolean(selfOptions, 'gang')) {
+    options.push('gang')
+  }
+  if (readBoolean(selfOptions, 'peng')) {
+    options.push('peng')
+  }
+  if (options.length === 0) {
+    return undefined
+  }
+
+  options.push('pass')
+
+  return {
+    tile: normalizeTile(gameState.last_discard_tile ?? gameState.lastDiscardTile) ?? undefined,
+    fromPlayerId: readString(gameState, 'last_discard_by', 'lastDiscardBy') || undefined,
+    options,
+  }
+}
+
+export function normalizeMeldType(value: unknown, concealed = false): MeldState['type'] | null {
+  if (typeof value !== 'string') {
+    return concealed ? 'an_gang' : null
+  }
+
+  const normalized = value.replace(/[-\s]/g, '_').toLowerCase()
+  if (normalized === 'peng') {
+    return 'peng'
+  }
+  if (normalized === 'ming_gang' || normalized === 'gang' || normalized === 'gang_open') {
+    return concealed ? 'an_gang' : 'ming_gang'
+  }
+  if (normalized === 'an_gang' || normalized === 'angang' || normalized === 'concealed_gang') {
+    return 'an_gang'
+  }
+
+  return concealed ? 'an_gang' : null
+}
+
+export function normalizeMelds(value: unknown): PlayerState['melds'] {
+  if (!Array.isArray(value)) {
+    return []
+  }
+
+  return value
+    .map((item) => {
+      if (Array.isArray(item)) {
+        const tiles = normalizeTiles(item)
+        if (tiles.length === 3) {
+          return { type: 'peng', tiles, fromPlayerId: '' } satisfies MeldState
+        }
+        if (tiles.length === 4) {
+          return { type: 'ming_gang', tiles, fromPlayerId: '' } satisfies MeldState
+        }
+        return null
+      }
+
+      const source = asRecord(item)
+      if (!source) {
+        return null
+      }
+
+      const tiles = normalizeTiles(
+        source.tiles ??
+          source.meld_tiles ??
+          source.meldTiles ??
+          source.cards ??
+          source.card_list,
+      )
+      if (tiles.length === 0) {
+        return null
+      }
+
+      const concealed =
+        readBoolean(source, 'concealed', 'is_concealed', 'isConcealed', 'hidden', 'is_hidden') ?? false
+      const explicitType = normalizeMeldType(
+        source.type ?? source.meld_type ?? source.meldType ?? source.kind,
+        concealed,
+      )
+      const type =
+        explicitType ??
+        (tiles.length === 4 ? (concealed ? 'an_gang' : 'ming_gang') : tiles.length === 3 ? 'peng' : null)
+
+      if (type === 'peng' || type === 'ming_gang') {
+        return {
+          type,
+          tiles,
+          fromPlayerId: readString(source, 'from_player_id', 'fromPlayerId'),
+        } satisfies MeldState
+      }
+
+      if (type === 'an_gang') {
+        return { type, tiles } satisfies MeldState
+      }
+
+      return null
+    })
+    .filter((item): item is MeldState => Boolean(item))
+}
--- a/src/store/gameStore.ts
+++ b/src/store/gameStore.ts
@@ -70,13 +70,21 @@ export const useGameStore = defineStore('game', {
        },

        // 摸牌
-        onDrawTile(data: { playerId: string; tile: Tile }) {
-            const player = this.players[data.playerId]
+        onDrawTile(data: { playerId?: string; player_id?: string; PlayerID?: string; tile?: Tile }) {
+            const playerId =
+                (typeof data.playerId === 'string' && data.playerId) ||
+                (typeof data.player_id === 'string' && data.player_id) ||
+                (typeof data.PlayerID === 'string' && data.PlayerID) ||
+                ''
+            const tile = data.tile
+            if (!playerId || !tile) return
+
+            const player = this.players[playerId]
            if (!player) return

            // 只更新自己的手牌
            if (player.playerId === this.getMyPlayerId()) {
-                player.handTiles.push(data.tile)
+                player.handTiles.push(tile)
            }
            player.handCount += 1

@@ -97,17 +105,28 @@ export const useGameStore = defineStore('game', {

        // 出牌
        onPlayTile(data: {
-            playerId: string
-            tile: Tile
-            nextSeat: number
+            playerId?: string
+            player_id?: string
+            PlayerID?: string
+            tile?: Tile
+            nextSeat?: number
+            next_seat?: number
        }) {
-            const player = this.players[data.playerId]
+            const playerId =
+                (typeof data.playerId === 'string' && data.playerId) ||
+                (typeof data.player_id === 'string' && data.player_id) ||
+                (typeof data.PlayerID === 'string' && data.PlayerID) ||
+                ''
+            const tile = data.tile
+            if (!playerId || !tile) return
+
+            const player = this.players[playerId]
            if (!player) return

            // 如果是自己，移除手牌
            if (player.playerId === this.getMyPlayerId()) {
                const index = player.handTiles.findIndex(
-                    (t) => t.id === data.tile.id
+                    (t) => t.id === tile.id
                )
                if (index !== -1) {
                    player.handTiles.splice(index, 1)
@@ -116,10 +135,16 @@ export const useGameStore = defineStore('game', {
            player.handCount = Math.max(0, player.handCount - 1)

            // 加入出牌<E587BA>?
-            player.discardTiles.push(data.tile)
+            player.discardTiles.push(tile)

            // 更新回合
-            this.currentTurn = data.nextSeat
+            const nextSeat =
+                typeof data.nextSeat === 'number'
+                    ? data.nextSeat
+                    : typeof data.next_seat === 'number'
+                        ? data.next_seat
+                        : this.currentTurn
+            this.currentTurn = nextSeat
            this.needDraw = true

            // 等待其他玩家响应
@@ -172,7 +197,7 @@ export const useGameStore = defineStore('game', {
                const seatRaw = raw.Index ?? raw.index ?? index
                const seatIndex =
                    typeof seatRaw === 'number' && Number.isFinite(seatRaw) ? seatRaw : index
-                const readyRaw = raw.Ready ?? raw.ready
+                const readyRaw = raw.Ready ?? raw.ready ?? raw.is_ready
                const ready = parseBooleanish(readyRaw)
                const displayNameRaw = raw.PlayerName ?? raw.player_name
                const avatarUrlRaw = raw.AvatarUrl ?? raw.avatar_url
@@ -297,4 +322,3 @@ export const useGameStore = defineStore('game', {
    },
 })

-
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -1,13 +1,13 @@
 import { ref } from 'vue'
 import type {
-    ActiveRoomState,
-    ActiveRoomSelectionInput,
+    RoomMetaSnapshotInput,
+    RoomMetaSnapshotState,
 } from './state'
-import { clearActiveRoomSnapshot, readActiveRoomSnapshot, saveActiveRoom } from './storage'
+import { clearRoomMetaSnapshot, readRoomMetaSnapshot, saveRoomMetaSnapshot } from './storage'

-const activeRoom = ref<ActiveRoomState | null>(readActiveRoomSnapshot())
+const roomMetaSnapshot = ref<RoomMetaSnapshotState | null>(readRoomMetaSnapshot())

-function normalizeRoom(input: ActiveRoomSelectionInput): ActiveRoomState {
+function normalizeRoom(input: RoomMetaSnapshotInput): RoomMetaSnapshotState {
    return {
        roomId: input.roomId,
        roomName: input.roomName ?? '',
@@ -32,19 +32,17 @@ function normalizeRoom(input: ActiveRoomSelectionInput): ActiveRoomState {
    }
 }

-// 设置当前房间
-export function setActiveRoom(input: ActiveRoomSelectionInput) {
+export function setRoomMetaSnapshot(input: RoomMetaSnapshotInput) {
    const next = normalizeRoom(input)
-    activeRoom.value = next
-    saveActiveRoom(next)
+    roomMetaSnapshot.value = next
+    saveRoomMetaSnapshot(next)
 }

-export function clearActiveRoom() {
-    activeRoom.value = null
-    clearActiveRoomSnapshot()
+export function clearRoomMetaSnapshotState() {
+    roomMetaSnapshot.value = null
+    clearRoomMetaSnapshot()
 }

-// 使用房间状态
-export function useActiveRoomState() {
-    return activeRoom
+export function useRoomMetaSnapshotState() {
+    return roomMetaSnapshot
 }
--- a/src/store/state.ts
+++ b/src/store/state.ts
@@ -1,5 +1,5 @@
 // 房间玩家状态
-export interface RoomPlayerState {
+export interface RoomMetaPlayerState {
    index: number
    playerId: string
    displayName?: string
@@ -13,7 +13,7 @@ export interface RoomPlayerState {
 }

 // 房间整体状态
-export interface ActiveRoomState {
+export interface RoomMetaSnapshotState {
    roomId: string
    roomName: string
    gameType: string
@@ -23,7 +23,7 @@ export interface ActiveRoomState {
    status: string
    createdAt: string
    updatedAt: string
-    players: RoomPlayerState[]
+    players: RoomMetaPlayerState[]
    myHand: string[]
    game?: {
        state?: {
@@ -36,7 +36,7 @@ export interface ActiveRoomState {
    }
 }

-export interface ActiveRoomSelectionInput {
+export interface RoomMetaSnapshotInput {
    roomId: string
    roomName?: string
    gameType?: string
@@ -46,7 +46,7 @@ export interface ActiveRoomSelectionInput {
    status?: string
    createdAt?: string
    updatedAt?: string
-    players?: RoomPlayerState[]
+    players?: RoomMetaPlayerState[]
    myHand?: string[]
-    game?: ActiveRoomState['game']
+    game?: RoomMetaSnapshotState['game']
 }
--- a/src/store/storage.ts
+++ b/src/store/storage.ts
@@ -1,9 +1,9 @@
-import type { ActiveRoomState } from './state'
+import type { RoomMetaSnapshotState } from './state'

 const KEY = 'mahjong_active_room'

 // 读取缓存
-export function readActiveRoomSnapshot(): ActiveRoomState | null {
+export function readRoomMetaSnapshot(): RoomMetaSnapshotState | null {
    const raw = localStorage.getItem(KEY)
    if (!raw) return null

@@ -15,11 +15,11 @@ export function readActiveRoomSnapshot(): ActiveRoomState | null {
 }

 // 写入缓存
-export function saveActiveRoom(state: ActiveRoomState) {
+export function saveRoomMetaSnapshot(state: RoomMetaSnapshotState) {
    localStorage.setItem(KEY, JSON.stringify(state))
 }

 // 清除缓存
-export function clearActiveRoomSnapshot() {
+export function clearRoomMetaSnapshot() {
    localStorage.removeItem(KEY)
 }
--- a/src/views/ChengduGamePage.vue
+++ b/src/views/ChengduGamePage.vue
--- a/src/views/HallPage.vue
+++ b/src/views/HallPage.vue
@@ -5,7 +5,7 @@ import { AuthExpiredError, type AuthSession } from '../api/authed-request'
 import { createRoom, joinRoom, listRooms, type RoomItem } from '../api/mahjong'
 import { getUserInfo, type UserInfo } from '../api/user'
 import refreshIcon from '../assets/images/icons/refresh.svg'
-import { setActiveRoom } from '../store'
+import { setRoomMetaSnapshot } from '../store'
 import type { RoomPlayerState } from '../store/state'
 import type { StoredAuth } from '../types/session'
 import { clearAuth, readStoredAuth, writeStoredAuth } from '../utils/auth-storage'
@@ -254,7 +254,7 @@ async function submitCreateRoom(): Promise<void> {
    )

    createdRoom.value = room
-    setActiveRoom({
+    setRoomMetaSnapshot({
      roomId: room.room_id,
      roomName: room.name,
      gameType: room.game_type,
@@ -301,7 +301,7 @@ async function handleJoinRoom(room?: { roomId?: string; roomName?: string }): Pr
  roomSubmitting.value = true
  try {
    const joinedRoom = await joinRoom(session, { roomId: targetRoomId }, syncAuth)
-    setActiveRoom({
+    setRoomMetaSnapshot({
      roomId: joinedRoom.room_id,
      roomName: joinedRoom.name,
      gameType: joinedRoom.game_type,
@@ -355,7 +355,7 @@ async function enterCreatedRoom(): Promise<void> {
  }

  showCreatedModal.value = false
-  setActiveRoom({
+  setRoomMetaSnapshot({
    roomId: createdRoom.value.room_id,
    roomName: createdRoom.value.name,
    gameType: createdRoom.value.game_type,
--- a/src/views/chengdu/composables/useChengduGameActions.ts
+++ b/src/views/chengdu/composables/useChengduGameActions.ts
@@ -0,0 +1,433 @@
+import {computed} from 'vue'
+import {sendWsMessage} from '../../../ws/sender'
+import {formatTile} from './useChengduTableView'
+import type {ClaimOptionState} from '../../../types/state'
+import type {Tile} from '../../../types/tile'
+import type {DisplayPlayer} from '../types'
+
+interface UseChengduGameActionsOptions {
+    gameStore: {
+        roomId: string
+        phase: string
+        currentTurn: number
+        needDraw: boolean
+        currentRound: number
+        totalRounds: number
+        pendingClaim?: {
+            tile?: Tile
+            options: ClaimOptionState[]
+        }
+    }
+    roomMeta: { value: { roomId: string; ownerId: string } | null }
+    gamePlayers: { value: DisplayPlayer[] }
+    myPlayer: { value: DisplayPlayer | undefined }
+    session: any
+}
+
+export function useChengduGameActions(options: UseChengduGameActionsOptions) {
+    const isLastRound = computed(
+        () => options.gameStore.currentRound >= options.gameStore.totalRounds && options.gameStore.totalRounds > 0,
+    )
+
+    const myReadyState = computed(() => Boolean(options.myPlayer.value?.isReady))
+
+    const isRoomOwner = computed(() => {
+        const room = options.roomMeta.value
+        return Boolean(
+            room &&
+            room.roomId === options.gameStore.roomId &&
+            room.ownerId &&
+            options.session.loggedInUserId.value &&
+            room.ownerId === options.session.loggedInUserId.value,
+        )
+    })
+
+    const allPlayersReady = computed(
+        () => options.gamePlayers.value.length === 4 && options.gamePlayers.value.every((player) => Boolean(player.isReady)),
+    )
+
+    const hasRoundStarted = computed(() =>
+        options.gamePlayers.value.some(
+            (player) =>
+                player.handCount > 0 ||
+                player.handTiles.length > 0 ||
+                player.melds.length > 0 ||
+                player.discardTiles.length > 0,
+        ),
+    )
+
+    const showStartGameButton = computed(
+        () => options.gameStore.phase === 'waiting' && allPlayersReady.value && !hasRoundStarted.value,
+    )
+    const showWaitingOwnerTip = computed(() => showStartGameButton.value && !isRoomOwner.value)
+    const canStartGame = computed(
+        () => showStartGameButton.value && isRoomOwner.value && !options.session.startGamePending.value,
+    )
+
+    const showReadyToggle = computed(() => {
+        if (options.gameStore.phase !== 'waiting' || !options.gameStore.roomId || hasRoundStarted.value) {
+            return false
+        }
+        if (showStartGameButton.value) {
+            return !isRoomOwner.value
+        }
+        return true
+    })
+
+    const showDingQueChooser = computed(() => {
+        const player = options.myPlayer.value
+        if (!player || options.gameStore.phase === 'settlement') {
+            return false
+        }
+        return player.handTiles.length > 0 && !player.missingSuit
+    })
+
+    const selectedDiscardTile = computed(() => {
+        const player = options.myPlayer.value
+        if (!player || options.session.selectedDiscardTileId.value === null) {
+            return null
+        }
+        return player.handTiles.find((tile) => tile.id === options.session.selectedDiscardTileId.value) ?? null
+    })
+
+    const hasMissingSuitTiles = computed(() => {
+        const player = options.myPlayer.value
+        const missingSuit = player?.missingSuit as Tile['suit'] | null | undefined
+        if (!player || !missingSuit) {
+            return false
+        }
+        return player.handTiles.some((tile) => tile.suit === missingSuit)
+    })
+
+    function missingSuitLabel(value: string | null | undefined): string {
+        const suitMap: Record<string, string> = {
+            w: '万',
+            t: '筒',
+            b: '条',
+            wan: '万',
+            tong: '筒',
+            tiao: '条',
+        }
+        if (!value) {
+            return ''
+        }
+        return suitMap[value.trim().toLowerCase()] ?? value
+    }
+
+    const discardBlockedReason = computed(() => {
+        const player = options.myPlayer.value
+        if (!player || !options.gameStore.roomId) {
+            return '未进入房间'
+        }
+        if (options.session.wsStatus.value !== 'connected') {
+            return 'WebSocket 未连接'
+        }
+        if (showDingQueChooser.value) {
+            return '请先完成定缺'
+        }
+        if (options.gameStore.phase !== 'playing') {
+            return '当前不是出牌阶段'
+        }
+        if (player.seatIndex !== options.gameStore.currentTurn) {
+            return '未轮到你出牌'
+        }
+        if (options.gameStore.needDraw) {
+            return '请先摸牌'
+        }
+        if (options.gameStore.pendingClaim) {
+            return '等待当前操作结算'
+        }
+        if (player.handTiles.length === 0) {
+            return '当前没有可出的手牌'
+        }
+        if (options.session.discardPending.value) {
+            return '正在提交出牌'
+        }
+        return ''
+    })
+
+    function discardTileBlockedReason(tile: Tile): string {
+        if (discardBlockedReason.value) {
+            return discardBlockedReason.value
+        }
+
+        const player = options.myPlayer.value
+        const missingSuit = player?.missingSuit as Tile['suit'] | null | undefined
+        if (player && missingSuit && hasMissingSuitTiles.value && tile.suit !== missingSuit) {
+            return `当前必须先打${missingSuitLabel(missingSuit)}牌`
+        }
+
+        return ''
+    }
+
+    const canConfirmDiscard = computed(() => {
+        const tile = selectedDiscardTile.value
+        return Boolean(tile && !discardTileBlockedReason(tile))
+    })
+
+    const confirmDiscardLabel = computed(() => {
+        const tile = selectedDiscardTile.value
+        return tile ? `出牌 ${formatTile(tile)}` : '出牌'
+    })
+
+    const canDrawTile = computed(() => {
+        const player = options.myPlayer.value
+        if (!player || !options.gameStore.roomId) {
+            return false
+        }
+        return (
+            options.gameStore.phase === 'playing' &&
+            options.gameStore.needDraw &&
+            player.seatIndex === options.gameStore.currentTurn
+        )
+    })
+
+    const myClaimState = computed(() => options.gameStore.pendingClaim)
+    const visibleClaimOptions = computed<ClaimOptionState[]>(() => {
+        const current = myClaimState.value?.options ?? []
+        const order: ClaimOptionState[] = ['hu', 'gang', 'peng', 'pass']
+        return order.filter((option) => current.includes(option))
+    })
+    const showClaimActions = computed(() => visibleClaimOptions.value.length > 0)
+
+    const canSelfHu = computed(() => {
+        const player = options.myPlayer.value
+        if (!player || !options.gameStore.roomId || options.session.wsStatus.value !== 'connected') {
+            return false
+        }
+        if (
+            showDingQueChooser.value ||
+            options.gameStore.phase !== 'playing' ||
+            options.gameStore.needDraw ||
+            options.gameStore.pendingClaim
+        ) {
+            return false
+        }
+        if (player.seatIndex !== options.gameStore.currentTurn || options.session.turnActionPending.value) {
+            return false
+        }
+        return options.session.selfTurnAllowActions.value.includes('hu')
+    })
+
+    const canSelfGang = computed(() => {
+        const player = options.myPlayer.value
+        if (!player || !options.gameStore.roomId || options.session.wsStatus.value !== 'connected') {
+            return false
+        }
+        if (
+            showDingQueChooser.value ||
+            options.gameStore.phase !== 'playing' ||
+            options.gameStore.needDraw ||
+            options.gameStore.pendingClaim
+        ) {
+            return false
+        }
+        if (player.seatIndex !== options.gameStore.currentTurn || options.session.turnActionPending.value) {
+            return false
+        }
+        return options.session.selfTurnAllowActions.value.includes('gang')
+    })
+
+    function toggleReadyState(): void {
+        if (options.session.readyTogglePending.value) {
+            return
+        }
+        const nextReady = !myReadyState.value
+        options.session.readyTogglePending.value = true
+        sendWsMessage({
+            type: 'set_ready',
+            roomId: options.gameStore.roomId,
+            payload: {
+                ready: nextReady,
+                isReady: nextReady,
+            },
+        })
+    }
+
+    function startGame(): void {
+        if (!canStartGame.value) {
+            return
+        }
+        options.session.startGamePending.value = true
+        sendWsMessage({
+            type: 'start_game',
+            roomId: options.gameStore.roomId,
+            payload: {
+                room_id: options.gameStore.roomId,
+            },
+        })
+    }
+
+    function nextRound(): void {
+        if (
+            options.session.nextRoundPending.value ||
+            !options.gameStore.roomId ||
+            options.gameStore.phase !== 'settlement'
+        ) {
+            return
+        }
+        options.session.settlementOverlayDismissed.value = true
+        options.session.nextRoundPending.value = true
+        sendWsMessage({
+            type: 'next_round',
+            roomId: options.gameStore.roomId,
+            payload: {},
+        })
+    }
+
+    function chooseDingQue(suit: Tile['suit']): void {
+        if (options.session.dingQuePending.value || !showDingQueChooser.value) {
+            return
+        }
+        options.session.dingQuePending.value = true
+        sendWsMessage({
+            type: 'ding_que',
+            roomId: options.gameStore.roomId,
+            payload: {suit},
+        })
+    }
+
+    function selectDiscardTile(tile: Tile): void {
+        const blockedReason = discardTileBlockedReason(tile)
+        if (blockedReason) {
+            options.session.wsError.value = blockedReason
+            options.session.wsMessages.value.push(`[client-blocked] select ${formatTile(tile)}: ${blockedReason}`)
+            options.session.selectedDiscardTileId.value = null
+            return
+        }
+
+        options.session.wsError.value = ''
+        options.session.selectedDiscardTileId.value =
+            options.session.selectedDiscardTileId.value === tile.id ? null : tile.id
+    }
+
+    function confirmDiscard(): void {
+        const tile = selectedDiscardTile.value
+        if (!tile) {
+            return
+        }
+
+        const blockedReason = discardTileBlockedReason(tile)
+        if (blockedReason || !options.gameStore.roomId) {
+            if (blockedReason) {
+                options.session.wsError.value = blockedReason
+                options.session.wsMessages.value.push(`[client-blocked] discard ${formatTile(tile)}: ${blockedReason}`)
+            }
+            return
+        }
+
+        options.session.wsError.value = ''
+        options.session.markDiscardPendingWithFallback()
+        sendWsMessage({
+            type: 'discard',
+            roomId: options.gameStore.roomId,
+            payload: {
+                tile: {
+                    id: tile.id,
+                    suit: tile.suit,
+                    value: tile.value,
+                },
+            },
+        })
+    }
+
+    function drawTile(): void {
+        if (!canDrawTile.value) {
+            return
+        }
+        sendWsMessage({
+            type: 'draw',
+            roomId: options.gameStore.roomId,
+            payload: {
+                room_id: options.gameStore.roomId,
+            },
+        })
+    }
+
+    function submitSelfGang(): void {
+        if (!options.gameStore.roomId || !canSelfGang.value || options.session.turnActionPending.value) {
+            return
+        }
+        options.session.markTurnActionPending('gang')
+        sendWsMessage({
+            type: 'gang',
+            roomId: options.gameStore.roomId,
+            payload: {
+                room_id: options.gameStore.roomId,
+            },
+        })
+    }
+
+    function submitSelfHu(): void {
+        if (!options.gameStore.roomId || !canSelfHu.value || options.session.turnActionPending.value) {
+            return
+        }
+        options.session.markTurnActionPending('hu')
+        sendWsMessage({
+            type: 'hu',
+            roomId: options.gameStore.roomId,
+            payload: {
+                room_id: options.gameStore.roomId,
+            },
+        })
+    }
+
+    function submitClaim(action: ClaimOptionState): void {
+        if (
+            options.session.claimActionPending.value ||
+            !options.gameStore.roomId ||
+            !visibleClaimOptions.value.includes(action)
+        ) {
+            return
+        }
+        const claimTile = options.gameStore.pendingClaim?.tile
+        options.session.claimActionPending.value = true
+        sendWsMessage({
+            type: action,
+            roomId: options.gameStore.roomId,
+            payload: {
+                room_id: options.gameStore.roomId,
+                ...(action !== 'pass' && claimTile
+                    ? {
+                        tile: {
+                            id: claimTile.id,
+                            suit: claimTile.suit,
+                            value: claimTile.value,
+                        },
+                    }
+                    : {}),
+            },
+        })
+    }
+
+    return {
+        isLastRound,
+        myReadyState,
+        isRoomOwner,
+        showStartGameButton,
+        showWaitingOwnerTip,
+        canStartGame,
+        showReadyToggle,
+        showDingQueChooser,
+        selectedDiscardTile,
+        discardBlockedReason,
+        discardTileBlockedReason,
+        canConfirmDiscard,
+        confirmDiscardLabel,
+        canDrawTile,
+        visibleClaimOptions,
+        showClaimActions,
+        canSelfHu,
+        canSelfGang,
+        toggleReadyState,
+        startGame,
+        nextRound,
+        chooseDingQue,
+        selectDiscardTile,
+        confirmDiscard,
+        drawTile,
+        submitSelfGang,
+        submitSelfHu,
+        submitClaim,
+    }
+}
--- a/src/views/chengdu/composables/useChengduGameSession.ts
+++ b/src/views/chengdu/composables/useChengduGameSession.ts
@@ -0,0 +1,459 @@
+import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
+import type { RouteLocationNormalizedLoaded, Router } from 'vue-router'
+import { refreshAccessToken } from '../../../api/auth'
+import { AuthExpiredError, type AuthSession } from '../../../api/authed-request'
+import { getUserInfo } from '../../../api/user'
+import type { RoomMetaSnapshotState } from '../../../store/state'
+import { clearAuth, readStoredAuth, writeStoredAuth } from '../../../utils/auth-storage'
+import type { WsStatus } from '../../../ws/client'
+import { wsClient } from '../../../ws/client'
+import { sendWsMessage } from '../../../ws/sender'
+import { buildWsUrl } from '../../../ws/url'
+import type { PlayerActionTimer } from '../types'
+
+interface UseChengduGameSessionOptions {
+  route: RouteLocationNormalizedLoaded
+  router: Router
+  gameStore: {
+    roomId: string
+  }
+  roomMeta: { value: RoomMetaSnapshotState | null }
+}
+
+export function useChengduGameSession(options: UseChengduGameSessionOptions) {
+  const auth = ref(readStoredAuth())
+  const now = ref(Date.now())
+  const wsStatus = ref<WsStatus>('idle')
+  const wsMessages = ref<string[]>([])
+  const wsError = ref('')
+  const roomCountdown = ref<PlayerActionTimer | null>(null)
+
+  const leaveRoomPending = ref(false)
+  const readyTogglePending = ref(false)
+  const startGamePending = ref(false)
+  const dingQuePending = ref(false)
+  const discardPending = ref(false)
+  const claimActionPending = ref(false)
+  const turnActionPending = ref(false)
+  const nextRoundPending = ref(false)
+  const settlementOverlayDismissed = ref(false)
+  const settlementDeadlineMs = ref<number | null>(null)
+  const selectedDiscardTileId = ref<number | null>(null)
+  const selfTurnAllowActions = ref<string[]>([])
+
+  const menuOpen = ref(false)
+  const isTrustMode = ref(false)
+  const menuTriggerActive = ref(false)
+
+  let clockTimer: number | null = null
+  let discardPendingTimer: number | null = null
+  let turnActionPendingTimer: number | null = null
+  let menuTriggerTimer: number | null = null
+  let menuOpenTimer: number | null = null
+  let refreshingWsToken = false
+  let lastForcedRefreshAt = 0
+
+  const loggedInUserId = computed(() => {
+    const source = auth.value?.user as Record<string, unknown> | undefined
+    const rawId = source?.id ?? source?.userID ?? source?.user_id
+
+    if (typeof rawId === 'string' && rawId.trim()) {
+      return rawId
+    }
+    if (typeof rawId === 'number') {
+      return String(rawId)
+    }
+    return ''
+  })
+
+  const loggedInUserName = computed(() => auth.value?.user?.nickname || auth.value?.user?.username || '')
+
+  const localCachedAvatarUrl = computed(() => {
+    const source = auth.value?.user as Record<string, unknown> | undefined
+    if (!source) {
+      return ''
+    }
+
+    const avatarCandidates = [
+      source.avatar,
+      source.avatar_url,
+      source.avatarUrl,
+      source.head_img,
+      source.headImg,
+      source.profile_image,
+      source.profileImage,
+    ]
+
+    for (const candidate of avatarCandidates) {
+      if (typeof candidate === 'string' && candidate.trim()) {
+        return candidate
+      }
+    }
+
+    return ''
+  })
+
+  const networkLabel = computed(() => {
+    const map: Record<WsStatus, string> = {
+      connected: '已连接',
+      connecting: '连接中',
+      error: '连接异常',
+      idle: '未连接',
+      closed: '未连接',
+    }
+
+    return map[wsStatus.value] ?? '未连接'
+  })
+
+  const formattedClock = computed(() =>
+    new Date(now.value).toLocaleTimeString('zh-CN', {
+      hour: '2-digit',
+      minute: '2-digit',
+      second: '2-digit',
+      hour12: false,
+    }),
+  )
+
+  function toggleMenu(): void {
+    menuTriggerActive.value = true
+    if (menuTriggerTimer !== null) {
+      window.clearTimeout(menuTriggerTimer)
+    }
+    menuTriggerTimer = window.setTimeout(() => {
+      menuTriggerActive.value = false
+      menuTriggerTimer = null
+    }, 180)
+
+    if (menuOpen.value) {
+      menuOpen.value = false
+      return
+    }
+
+    if (menuOpenTimer !== null) {
+      window.clearTimeout(menuOpenTimer)
+    }
+    menuOpenTimer = window.setTimeout(() => {
+      menuOpen.value = true
+      menuOpenTimer = null
+    }, 85)
+  }
+
+  function toggleTrustMode(): void {
+    isTrustMode.value = !isTrustMode.value
+    menuOpen.value = false
+  }
+
+  function clearTurnActionPending(): void {
+    turnActionPending.value = false
+    if (turnActionPendingTimer !== null) {
+      window.clearTimeout(turnActionPendingTimer)
+      turnActionPendingTimer = null
+    }
+  }
+
+  function markTurnActionPending(kind: 'gang' | 'hu'): void {
+    clearTurnActionPending()
+    turnActionPending.value = true
+    turnActionPendingTimer = window.setTimeout(() => {
+      turnActionPending.value = false
+      turnActionPendingTimer = null
+      wsError.value = `${kind === 'gang' ? '杠牌' : '胡牌'}未收到服务器确认`
+    }, 2500)
+  }
+
+  function clearDiscardPendingTimer(): void {
+    if (discardPendingTimer !== null) {
+      window.clearTimeout(discardPendingTimer)
+      discardPendingTimer = null
+    }
+  }
+
+  function markDiscardCompleted(): void {
+    clearDiscardPendingTimer()
+    discardPending.value = false
+    selectedDiscardTileId.value = null
+  }
+
+  function markDiscardPendingWithFallback(): void {
+    clearDiscardPendingTimer()
+    discardPending.value = true
+    discardPendingTimer = window.setTimeout(() => {
+      discardPending.value = false
+      selectedDiscardTileId.value = null
+      discardPendingTimer = null
+    }, 2000)
+  }
+
+  function logoutToLogin(): void {
+    clearAuth()
+    auth.value = null
+    wsClient.close()
+    void options.router.replace('/login')
+  }
+
+  function currentSession(): AuthSession | null {
+    const current = auth.value
+    if (!current?.token) {
+      return null
+    }
+
+    return {
+      token: current.token,
+      tokenType: current.tokenType,
+      refreshToken: current.refreshToken,
+      expiresIn: current.expiresIn,
+    }
+  }
+
+  function syncAuthSession(next: AuthSession): void {
+    if (!auth.value) {
+      return
+    }
+
+    auth.value = {
+      ...auth.value,
+      token: next.token,
+      tokenType: next.tokenType ?? auth.value.tokenType,
+      refreshToken: next.refreshToken ?? auth.value.refreshToken,
+      expiresIn: next.expiresIn,
+    }
+    writeStoredAuth(auth.value)
+  }
+
+  function syncCurrentUserID(userID: string): void {
+    if (!userID || loggedInUserId.value || !auth.value) {
+      return
+    }
+
+    auth.value = {
+      ...auth.value,
+      user: {
+        ...(auth.value.user ?? {}),
+        id: userID,
+      },
+    }
+    writeStoredAuth(auth.value)
+  }
+
+  async function ensureCurrentUserLoaded(): Promise<void> {
+    if (loggedInUserId.value) {
+      return
+    }
+
+    const currentAuth = auth.value
+    const session = currentSession()
+    if (!session) {
+      return
+    }
+
+    try {
+      const userInfo = await getUserInfo(session, syncAuthSession)
+      const resolvedId = userInfo.userID ?? userInfo.user_id ?? userInfo.id ?? currentAuth?.user?.id
+      const nextUser = {
+        ...(currentAuth?.user ?? {}),
+        ...userInfo,
+        id: typeof resolvedId === 'string' || typeof resolvedId === 'number' ? resolvedId : undefined,
+      }
+
+      if (!currentAuth) {
+        return
+      }
+
+      auth.value = {
+        ...currentAuth,
+        user: nextUser,
+      }
+      writeStoredAuth(auth.value)
+    } catch (error) {
+      if (error instanceof AuthExpiredError) {
+        logoutToLogin()
+      }
+    }
+  }
+
+  function decodeJwtExpMs(token: string): number | null {
+    const payloadPart = token.split('.')[1]
+    if (!payloadPart) {
+      return null
+    }
+
+    try {
+      const normalized = payloadPart.replace(/-/g, '+').replace(/_/g, '/')
+      const padded = normalized + '='.repeat((4 - (normalized.length % 4)) % 4)
+      const payload = JSON.parse(window.atob(padded)) as { exp?: number }
+      return typeof payload.exp === 'number' ? payload.exp * 1000 : null
+    } catch {
+      return null
+    }
+  }
+
+  function shouldRefreshWsToken(token: string): boolean {
+    const expMs = decodeJwtExpMs(token)
+    return Boolean(expMs && expMs <= Date.now() + 30_000)
+  }
+
+  async function resolveWsToken(forceRefresh = false, logoutOnRefreshFail = false): Promise<string | null> {
+    const current = auth.value
+    if (!current?.token) {
+      return null
+    }
+
+    if (!forceRefresh && !shouldRefreshWsToken(current.token)) {
+      return current.token
+    }
+
+    if (!current.refreshToken || refreshingWsToken) {
+      return current.token
+    }
+
+    refreshingWsToken = true
+    try {
+      const refreshed = await refreshAccessToken({
+        token: current.token,
+        tokenType: current.tokenType,
+        refreshToken: current.refreshToken,
+      })
+
+      const nextAuth = {
+        ...current,
+        token: refreshed.token,
+        tokenType: refreshed.tokenType ?? current.tokenType,
+        refreshToken: refreshed.refreshToken ?? current.refreshToken,
+        expiresIn: refreshed.expiresIn,
+      }
+      auth.value = nextAuth
+      writeStoredAuth(nextAuth)
+      return nextAuth.token
+    } catch {
+      if (logoutOnRefreshFail) {
+        logoutToLogin()
+      }
+      return null
+    } finally {
+      refreshingWsToken = false
+    }
+  }
+
+  async function ensureWsConnected(forceRefresh = false): Promise<void> {
+    const token = await resolveWsToken(forceRefresh, false)
+    if (!token) {
+      wsError.value = '未找到登录凭证，无法建立连接'
+      return
+    }
+
+    wsError.value = ''
+    wsClient.connect(buildWsUrl(), token)
+  }
+
+  function backHall(): void {
+    leaveRoomPending.value = true
+    const roomId = options.gameStore.roomId
+    sendWsMessage({
+      type: 'leave_room',
+      roomId,
+      payload: {
+        room_id: roomId,
+      },
+    })
+    wsClient.close()
+    void options.router.push('/hall').finally(() => {
+      leaveRoomPending.value = false
+    })
+  }
+
+  function handleGlobalClick(event: MouseEvent): void {
+    const target = event.target as HTMLElement | null
+    if (!target || target.closest('.menu-trigger-wrap')) {
+      return
+    }
+    menuOpen.value = false
+  }
+
+  function handleGlobalEsc(event: KeyboardEvent): void {
+    if (event.key === 'Escape') {
+      menuOpen.value = false
+    }
+  }
+
+  onMounted(() => {
+    clockTimer = window.setInterval(() => {
+      now.value = Date.now()
+    }, 1000)
+
+    window.addEventListener('click', handleGlobalClick)
+    window.addEventListener('keydown', handleGlobalEsc)
+  })
+
+  onBeforeUnmount(() => {
+    if (clockTimer !== null) {
+      window.clearInterval(clockTimer)
+      clockTimer = null
+    }
+    clearDiscardPendingTimer()
+    clearTurnActionPending()
+
+    window.removeEventListener('click', handleGlobalClick)
+    window.removeEventListener('keydown', handleGlobalEsc)
+
+    if (menuTriggerTimer !== null) {
+      window.clearTimeout(menuTriggerTimer)
+      menuTriggerTimer = null
+    }
+    if (menuOpenTimer !== null) {
+      window.clearTimeout(menuOpenTimer)
+      menuOpenTimer = null
+    }
+  })
+
+  return {
+    auth,
+    now,
+    wsStatus,
+    wsMessages,
+    wsError,
+    roomCountdown,
+    leaveRoomPending,
+    readyTogglePending,
+    startGamePending,
+    dingQuePending,
+    discardPending,
+    claimActionPending,
+    turnActionPending,
+    nextRoundPending,
+    settlementOverlayDismissed,
+    settlementDeadlineMs,
+    selectedDiscardTileId,
+    selfTurnAllowActions,
+    menuOpen,
+    isTrustMode,
+    menuTriggerActive,
+    loggedInUserId,
+    loggedInUserName,
+    localCachedAvatarUrl,
+    networkLabel,
+    formattedClock,
+    toggleMenu,
+    toggleTrustMode,
+    clearTurnActionPending,
+    markTurnActionPending,
+    clearDiscardPendingTimer,
+    markDiscardCompleted,
+    markDiscardPendingWithFallback,
+    logoutToLogin,
+    currentSession,
+    syncAuthSession,
+    syncCurrentUserID,
+    ensureCurrentUserLoaded,
+    resolveWsToken,
+    ensureWsConnected,
+    backHall,
+    lastForcedRefreshAtRef: {
+      get value() {
+        return lastForcedRefreshAt
+      },
+      set value(next: number) {
+        lastForcedRefreshAt = next
+      },
+    },
+  }
+}
--- a/src/views/chengdu/composables/useChengduGameSocket.ts
+++ b/src/views/chengdu/composables/useChengduGameSocket.ts
@@ -0,0 +1,143 @@
+import { computed, onBeforeUnmount, onMounted, type ComputedRef } from 'vue'
+import type { RouteLocationNormalizedLoaded, Router } from 'vue-router'
+import type { RoomMetaSnapshotState } from '../../../store/state'
+import type { PlayerState, Tile } from '../../../types/state'
+import { wsClient, type WsStatus } from '../../../ws/client'
+import { buildWsUrl } from '../../../ws/url'
+import type { DisplayPlayer } from '../types'
+import { useChengduGameSession } from './useChengduGameSession'
+import { createChengduMessageHandlers } from '../socket/createMessageHandlers'
+
+interface UseChengduGameSocketOptions {
+  route: RouteLocationNormalizedLoaded
+  router: Router
+  gameStore: {
+    roomId: string
+    phase: string
+    players: Record<string, PlayerState>
+    dealerIndex: number
+    currentTurn: number
+    remainingTiles: number
+    needDraw: boolean
+    pendingClaim?: any
+    scores: Record<string, number>
+    winners: string[]
+    currentRound: number
+    totalRounds: number
+    resetGame: () => void
+  }
+  roomMeta: { value: RoomMetaSnapshotState | null }
+  roomName: ComputedRef<string>
+  myHandTiles: ComputedRef<Tile[]>
+  myPlayer: ComputedRef<DisplayPlayer | undefined>
+  session: ReturnType<typeof useChengduGameSession>
+}
+
+export function useChengduGameSocket(options: UseChengduGameSocketOptions) {
+  let unsubscribe: (() => void) | null = null
+  let needsInitialRoomInfo = false
+
+  const showSettlementOverlay = computed(
+    () => options.gameStore.phase === 'settlement' && !options.session.settlementOverlayDismissed.value,
+  )
+
+  const settlementCountdown = computed(() => {
+    if (!showSettlementOverlay.value || !options.session.settlementDeadlineMs.value) {
+      return null
+    }
+    return Math.max(
+      0,
+      Math.ceil((options.session.settlementDeadlineMs.value - options.session.now.value) / 1000),
+    )
+  })
+
+  const handlers = createChengduMessageHandlers({
+    router: options.router,
+    gameStore: options.gameStore,
+    roomMeta: options.roomMeta,
+    roomName: options.roomName,
+    myHandTiles: options.myHandTiles,
+    myPlayer: options.myPlayer,
+    session: options.session,
+  })
+
+  function requestRoomInfo(): void {
+    const routeRoomId = typeof options.route.params.roomId === 'string' ? options.route.params.roomId : ''
+    const roomId = routeRoomId || options.gameStore.roomId || options.roomMeta.value?.roomId || ''
+    if (!roomId || options.session.wsStatus.value !== 'connected') {
+      return
+    }
+
+    needsInitialRoomInfo = false
+    options.session.wsMessages.value.push(`[client] get_room_info ${roomId}`)
+    wsClient.send({
+      type: 'get_room_info',
+      roomId,
+      payload: {
+        room_id: roomId,
+      },
+    })
+  }
+
+  function handleSocketError(message: string): void {
+    options.session.markDiscardCompleted()
+    options.session.clearTurnActionPending()
+    options.session.wsError.value = message
+    options.session.wsMessages.value.push(`[error] ${message}`)
+
+    const nowMs = Date.now()
+    if (nowMs - options.session.lastForcedRefreshAtRef.value > 5000) {
+      options.session.lastForcedRefreshAtRef.value = nowMs
+      void options.session
+        .resolveWsToken(true, true)
+        .then((refreshedToken) => {
+          if (!refreshedToken) {
+            return
+          }
+          options.session.wsError.value = ''
+          wsClient.reconnect(buildWsUrl(), refreshedToken)
+        })
+        .catch(() => {
+          options.session.logoutToLogin()
+        })
+    }
+  }
+
+  onMounted(() => {
+    const routeRoomId = typeof options.route.params.roomId === 'string' ? options.route.params.roomId : ''
+    needsInitialRoomInfo = true
+    void options.session.ensureCurrentUserLoaded().finally(() => {
+      handlers.hydrateFromActiveRoom(routeRoomId)
+      if (routeRoomId) {
+        options.gameStore.roomId = routeRoomId
+      }
+      if (options.session.wsStatus.value === 'connected' && needsInitialRoomInfo) {
+        requestRoomInfo()
+      }
+    })
+
+    const statusHandler = (status: WsStatus) => {
+      options.session.wsStatus.value = status
+      if (status === 'connected' && needsInitialRoomInfo) {
+        requestRoomInfo()
+      }
+    }
+
+    wsClient.onMessage(handlers.handleSocketMessage)
+    wsClient.onError(handleSocketError)
+    unsubscribe = wsClient.onStatusChange(statusHandler)
+    void options.session.ensureWsConnected()
+  })
+
+  onBeforeUnmount(() => {
+    if (unsubscribe) {
+      unsubscribe()
+      unsubscribe = null
+    }
+  })
+
+  return {
+    showSettlementOverlay,
+    settlementCountdown,
+  }
+}
--- a/src/views/chengdu/composables/useChengduTableView.ts
+++ b/src/views/chengdu/composables/useChengduTableView.ts
@@ -0,0 +1,430 @@
+import { computed } from 'vue'
+import eastWind from '../../../assets/images/direction/dong.png'
+import southWind from '../../../assets/images/direction/nan.png'
+import westWind from '../../../assets/images/direction/xi.png'
+import northWind from '../../../assets/images/direction/bei.png'
+import type { SeatPlayerCardModel } from '../../../components/game/seat-player-card'
+import { getTileImage as getBottomTileImage } from '../../../config/bottomTileMap'
+import { getTileImage as getLeftTileImage } from '../../../config/leftTileMap'
+import { getTileImage as getRightTileImage } from '../../../config/rightTileMap'
+import { getTileImage as getTopTileImage } from '../../../config/topTileMap'
+import type { SeatKey } from '../../../game/seat'
+import type { Tile } from '../../../types/tile'
+import type {
+  DeskSeatState,
+  DisplayPlayer,
+  HandSuitLabel,
+  TableTileImageType,
+  TableViewDeps,
+  TableViewResult,
+  WallSeatState,
+  WallTileItem,
+} from '../types'
+
+const handSuitOrder: Record<Tile['suit'], number> = { W: 0, T: 1, B: 2 }
+const handSuitLabelMap: Record<Tile['suit'], HandSuitLabel> = { W: '万', T: '筒', B: '条' }
+
+function buildWallTileImage(
+  seat: SeatKey,
+  tile: Tile | undefined,
+  imageType: TableTileImageType,
+): string {
+  switch (seat) {
+    case 'top':
+      return getTopTileImage(tile, imageType, 'top')
+    case 'right':
+      return getRightTileImage(tile, imageType, 'right')
+    case 'left':
+      return getLeftTileImage(tile, imageType, 'left')
+    case 'bottom':
+    default:
+      return tile ? getBottomTileImage(tile, imageType, 'bottom') : ''
+  }
+}
+
+export function missingSuitLabel(value: string | null | undefined): string {
+  const suitMap: Record<string, string> = {
+    w: '万',
+    t: '筒',
+    b: '条',
+    wan: '万',
+    tong: '筒',
+    tiao: '条',
+  }
+
+  if (!value) {
+    return ''
+  }
+
+  const normalized = value.trim().toLowerCase()
+  return suitMap[normalized] ?? value
+}
+
+export function formatTile(tile: Tile): string {
+  return `${tile.suit}${tile.value}`
+}
+
+function emptyWallSeat(): WallSeatState {
+  return { tiles: [] }
+}
+
+function emptyDeskSeat(): DeskSeatState {
+  return { tiles: [], hasHu: false }
+}
+
+export function useChengduTableView(deps: TableViewDeps): TableViewResult {
+  const visibleHandTileGroups = computed(() => {
+    const grouped = new Map<HandSuitLabel, Tile[]>()
+
+    deps.myHandTiles.value
+      .slice()
+      .sort((left, right) => {
+        const suitDiff = handSuitOrder[left.suit] - handSuitOrder[right.suit]
+        if (suitDiff !== 0) {
+          return suitDiff
+        }
+
+        const valueDiff = left.value - right.value
+        if (valueDiff !== 0) {
+          return valueDiff
+        }
+
+        return left.id - right.id
+      })
+      .forEach((tile) => {
+        const label = handSuitLabelMap[tile.suit]
+        const current = grouped.get(label) ?? []
+        current.push(tile)
+        grouped.set(label, current)
+      })
+
+    return (['万', '筒', '条'] as HandSuitLabel[])
+      .map((suit) => ({
+        suit,
+        tiles: grouped.get(suit) ?? [],
+      }))
+      .filter((group) => group.tiles.length > 0)
+  })
+
+  const sortedVisibleHandTiles = computed(() => visibleHandTileGroups.value.flatMap((group) => group.tiles))
+
+  const roomName = computed(() => {
+    const activeRoomName =
+      deps.roomMeta.value && deps.roomMeta.value.roomId === deps.gameStore.roomId
+        ? deps.roomMeta.value.roomName
+        : ''
+    return deps.routeRoomName.value || activeRoomName || `房间 ${deps.gameStore.roomId || '--'}`
+  })
+
+  const roomState = computed(() => {
+    const status =
+      deps.gameStore.phase === 'waiting'
+        ? 'waiting'
+        : deps.gameStore.phase === 'settlement'
+          ? 'finished'
+          : 'playing'
+    const wall = Array.from({ length: deps.gameStore.remainingTiles }, (_, index) => `wall-${index}`)
+    const maxPlayers =
+      deps.roomMeta.value && deps.roomMeta.value.roomId === deps.gameStore.roomId
+        ? deps.roomMeta.value.maxPlayers
+        : 4
+
+    return {
+      roomId: deps.gameStore.roomId,
+      name: roomName.value,
+      playerCount: deps.gamePlayers.value.length,
+      maxPlayers,
+      status,
+      game: {
+        state: {
+          wall,
+          dealerIndex: deps.gameStore.dealerIndex,
+          currentTurn: deps.gameStore.currentTurn,
+          phase: deps.gameStore.phase,
+        },
+      },
+    }
+  })
+
+  const seatViews = computed(() => {
+    const players = deps.gamePlayers.value
+    const tableOrder: SeatKey[] = ['bottom', 'right', 'top', 'left']
+    const selfSeatIndex =
+      deps.myPlayer.value?.seatIndex ??
+      players.find((player) => player.playerId === deps.loggedInUserId.value)?.seatIndex ??
+      0
+
+    return players.slice(0, 4).map((player) => {
+      const relativeIndex = (selfSeatIndex - player.seatIndex + 4) % 4
+      const seatKey = tableOrder[relativeIndex] ?? 'top'
+      return {
+        key: seatKey,
+        player,
+        isSelf: player.playerId === deps.loggedInUserId.value,
+        isTurn: player.seatIndex === deps.gameStore.currentTurn,
+      }
+    })
+  })
+
+  const seatWinds = computed<Record<SeatKey, string>>(() => {
+    const tableOrder: SeatKey[] = ['bottom', 'right', 'top', 'left']
+    const players = deps.gamePlayers.value
+    const selfSeatIndex =
+      deps.myPlayer.value?.seatIndex ??
+      players.find((player) => player.playerId === deps.loggedInUserId.value)?.seatIndex ??
+      0
+
+    const directionBySeatIndex = [eastWind, southWind, westWind, northWind]
+    const result: Record<SeatKey, string> = {
+      top: northWind,
+      right: eastWind,
+      bottom: southWind,
+      left: westWind,
+    }
+
+    for (let absoluteSeat = 0; absoluteSeat < 4; absoluteSeat += 1) {
+      const relativeIndex = (selfSeatIndex - absoluteSeat + 4) % 4
+      const seatKey = tableOrder[relativeIndex] ?? 'top'
+      result[seatKey] = directionBySeatIndex[absoluteSeat] ?? northWind
+    }
+
+    return result
+  })
+
+  const currentTurnSeat = computed<SeatKey | ''>(() => seatViews.value.find((seat) => seat.isTurn)?.key ?? '')
+
+  const currentPhaseText = computed(() => {
+    const map: Record<string, string> = {
+      waiting: '等待中',
+      dealing: '发牌中',
+      playing: '对局中',
+      action: '操作中',
+      settlement: '已结算',
+    }
+    return map[deps.gameStore.phase] ?? deps.gameStore.phase
+  })
+
+  const roomStatusText = computed(() => {
+    const map: Record<string, string> = {
+      waiting: '等待玩家',
+      playing: '游戏中',
+      finished: '已结束',
+    }
+    const status = roomState.value.status
+    return map[status] ?? status ?? '--'
+  })
+
+  const roundText = computed(() => {
+    if (deps.gameStore.totalRounds > 0) {
+      return `${deps.gameStore.currentRound}/${deps.gameStore.totalRounds}`
+    }
+    return ''
+  })
+
+  const settlementPlayers = computed(() => {
+    const winnerSet = new Set(deps.gameStore.winners)
+    return Object.values(deps.gameStore.players as Record<string, DisplayPlayer>)
+      .map((player) => ({
+        playerId: player.playerId,
+        displayName: player.displayName || `玩家${player.seatIndex + 1}`,
+        score: deps.gameStore.scores[player.playerId] ?? 0,
+        isWinner: winnerSet.has(player.playerId),
+        seatIndex: player.seatIndex,
+      }))
+      .sort((a, b) => b.score - a.score)
+  })
+
+  const wallSeats = computed<Record<SeatKey, WallSeatState>>(() => {
+    const emptyState: Record<SeatKey, WallSeatState> = {
+      top: emptyWallSeat(),
+      right: emptyWallSeat(),
+      bottom: emptyWallSeat(),
+      left: emptyWallSeat(),
+    }
+
+    if (deps.gameStore.phase === 'waiting' && deps.myHandTiles.value.length === 0) {
+      return emptyState
+    }
+
+    for (const seat of seatViews.value) {
+      if (!seat.player) {
+        continue
+      }
+
+      const seatTiles: WallTileItem[] = []
+      const targetSeat = seat.key
+
+      if (seat.isSelf) {
+        const missingSuit = seat.player.missingSuit as Tile['suit'] | null | undefined
+        sortedVisibleHandTiles.value.forEach((tile, index) => {
+          const src = buildWallTileImage(targetSeat, tile, 'hand')
+          if (!src) {
+            return
+          }
+          const previousTile = index > 0 ? sortedVisibleHandTiles.value[index - 1] : undefined
+          const isMissingSuitGroupStart = Boolean(
+            missingSuit &&
+              tile.suit === missingSuit &&
+              (!previousTile || previousTile.suit !== tile.suit),
+          )
+
+          seatTiles.push({
+            key: `hand-${tile.id}-${index}`,
+            src,
+            alt: formatTile(tile),
+            imageType: 'hand',
+            showLackTag: isMissingSuitGroupStart,
+            suit: tile.suit,
+            tile,
+          })
+        })
+      } else {
+        for (let index = 0; index < seat.player.handCount; index += 1) {
+          const src = buildWallTileImage(targetSeat, undefined, 'hand')
+          if (!src) {
+            continue
+          }
+
+          seatTiles.push({
+            key: `concealed-${index}`,
+            src,
+            alt: '手牌背面',
+            imageType: 'hand',
+          })
+        }
+      }
+
+      emptyState[targetSeat] = { tiles: seatTiles }
+    }
+
+    return emptyState
+  })
+
+  const deskSeats = computed<Record<SeatKey, DeskSeatState>>(() => {
+    const emptyState: Record<SeatKey, DeskSeatState> = {
+      top: emptyDeskSeat(),
+      right: emptyDeskSeat(),
+      bottom: emptyDeskSeat(),
+      left: emptyDeskSeat(),
+    }
+
+    if (deps.gameStore.phase === 'waiting' && deps.myHandTiles.value.length === 0) {
+      return emptyState
+    }
+
+    for (const seat of seatViews.value) {
+      if (!seat.player) {
+        continue
+      }
+
+      const seatTiles: WallTileItem[] = []
+      const targetSeat = seat.key
+
+      seat.player.discardTiles.forEach((tile, index) => {
+        const src = buildWallTileImage(targetSeat, tile, 'exposed')
+        if (!src) {
+          return
+        }
+
+        seatTiles.push({
+          key: `discard-${tile.id}-${index}`,
+          src,
+          alt: formatTile(tile),
+          imageType: 'exposed',
+          suit: tile.suit,
+        })
+      })
+
+      seat.player.melds.forEach((meld, meldIndex) => {
+        meld.tiles.forEach((tile, tileIndex) => {
+          const imageType: TableTileImageType = meld.type === 'an_gang' ? 'covered' : 'exposed'
+          const src = buildWallTileImage(targetSeat, tile, imageType)
+          if (!src) {
+            return
+          }
+
+          seatTiles.push({
+            key: `desk-${meld.type}-${meldIndex}-${tile.id}-${tileIndex}`,
+            src,
+            alt: formatTile(tile),
+            imageType,
+            isGroupStart: tileIndex === 0,
+            suit: tile.suit,
+          })
+        })
+      })
+
+      emptyState[targetSeat] = {
+        tiles: seatTiles,
+        hasHu: seat.player.hasHu,
+      }
+    }
+
+    return emptyState
+  })
+
+  const seatDecor = computed<Record<SeatKey, SeatPlayerCardModel>>(() => {
+    const dealerIndex = roomState.value.game?.state?.dealerIndex ?? -1
+    const defaultMissingSuitLabel = missingSuitLabel(null)
+
+    const emptySeat = (): SeatPlayerCardModel => ({
+      avatarUrl: '',
+      name: '空位',
+      dealer: false,
+      isTurn: false,
+      isReady: false,
+      isTrustee: false,
+      missingSuitLabel: defaultMissingSuitLabel,
+    })
+
+    const result: Record<SeatKey, SeatPlayerCardModel> = {
+      top: emptySeat(),
+      right: emptySeat(),
+      bottom: emptySeat(),
+      left: emptySeat(),
+    }
+
+    for (const seat of seatViews.value) {
+      if (!seat.player) {
+        continue
+      }
+
+      const displayName = seat.player.displayName || `玩家${seat.player.seatIndex + 1}`
+      const avatarUrl = seat.isSelf
+        ? deps.localCachedAvatarUrl.value || seat.player.avatarURL || ''
+        : seat.player.avatarURL || ''
+      const selfDisplayName = seat.player.displayName || deps.loggedInUserName.value || '你自己'
+
+      result[seat.key] = {
+        avatarUrl,
+        name: Array.from(seat.isSelf ? selfDisplayName : displayName)
+          .slice(0, 4)
+          .join(''),
+        dealer: seat.player.seatIndex === dealerIndex,
+        isTurn: seat.isTurn,
+        isReady: Boolean(seat.player.isReady),
+        isTrustee: Boolean(seat.player.isTrustee),
+        missingSuitLabel: missingSuitLabel(seat.player.missingSuit),
+      }
+    }
+
+    return result
+  })
+
+  return {
+    roomName,
+    roomState,
+    seatViews,
+    seatWinds,
+    currentTurnSeat,
+    currentPhaseText,
+    roomStatusText,
+    roundText,
+    visibleHandTileGroups,
+    sortedVisibleHandTiles,
+    wallSeats,
+    deskSeats,
+    seatDecor,
+    settlementPlayers,
+  }
+}
--- a/src/views/chengdu/socket/createMessageHandlers.ts
+++ b/src/views/chengdu/socket/createMessageHandlers.ts
@@ -0,0 +1,51 @@
+import { createPlayerHandlers } from './handlers/playerHandlers'
+import { createRoomInfoHandlers } from './handlers/roomInfoHandlers'
+import { createRoomStateHandlers } from './handlers/roomStateHandlers'
+import { createStatusHandlers } from './handlers/statusHandlers'
+import { dispatchSocketGameAction } from './handlers/socketDispatch'
+import { createTurnHandlers } from './handlers/turnHandlers'
+import type { SocketHandlerContext } from './types'
+import { parseSocketEnvelope } from './parsers/socketEnvelope'
+import { hydrateGameStoreFromActiveRoom } from './room/roomSnapshotSync'
+import { createSocketMessageRouter } from './router/socketMessageRouter'
+import { pushWsMessage } from './session/sessionStateAdapter'
+
+export function createChengduMessageHandlers(context: SocketHandlerContext) {
+  const roomHandlers = {
+    ...createRoomInfoHandlers(context),
+    ...createRoomStateHandlers(context),
+  }
+  const playerHandlers = createPlayerHandlers(context)
+  const turnHandlers = createTurnHandlers(context)
+  const statusHandlers = createStatusHandlers(context)
+  const router = createSocketMessageRouter({
+    roomHandlers,
+    playerHandlers,
+    turnHandlers,
+    statusHandlers,
+  })
+
+  function handleSocketMessage(msg: unknown): void {
+    const text = typeof msg === 'string' ? msg : JSON.stringify(msg)
+    pushWsMessage(context.session, `[server] ${text}`)
+
+    const envelope = parseSocketEnvelope(msg)
+    if (!envelope) {
+      return
+    }
+
+    router.route(envelope.normalizedType, envelope.source)
+
+    dispatchSocketGameAction(
+      context,
+      envelope.source,
+      playerHandlers.syncReadyStatesFromRoomUpdate,
+      playerHandlers.syncTrusteeState,
+    )
+  }
+
+  return {
+    hydrateFromActiveRoom: (routeRoomId: string) => hydrateGameStoreFromActiveRoom(context, routeRoomId),
+    handleSocketMessage,
+  }
+}
--- a/src/views/chengdu/socket/handlers/playerHandlers.ts
+++ b/src/views/chengdu/socket/handlers/playerHandlers.ts
@@ -0,0 +1,170 @@
+import {
+  asRecord,
+  normalizeTiles,
+  normalizeWsType,
+  readBoolean,
+  readString,
+} from '../../../../game/chengdu/messageNormalizers'
+import type { RoomPlayerUpdatePayload, RoomTrusteePayload } from '../../../../game/actions'
+import {
+  clearDingQuePending,
+  clearReadyTogglePending,
+  clearStartGamePending,
+  clearTurnPending,
+  completeDiscard,
+  setTrustMode,
+  syncCurrentUserId,
+} from '../session/sessionStateAdapter'
+import { setPlayerHandState, setPlayerMissingSuit, setPlayerReadyState, setPlayerTrusteeState } from '../store/gameStoreAdapter'
+import type { PlayerHandlerApi, SocketHandlerContext } from '../types'
+
+export function createPlayerHandlers(context: SocketHandlerContext): PlayerHandlerApi {
+  function applyPlayerReadyState(playerId: string, ready: boolean): void {
+    setPlayerReadyState(context.gameStore, playerId, ready)
+  }
+
+  function syncReadyStatesFromRoomUpdate(payload: RoomPlayerUpdatePayload): void {
+    if (!Array.isArray(payload.players)) {
+      return
+    }
+
+    for (const item of payload.players) {
+      const playerId =
+        (typeof item.PlayerID === 'string' && item.PlayerID) ||
+        (typeof item.player_id === 'string' && item.player_id) ||
+        ''
+      const ready =
+        typeof item.Ready === 'boolean'
+          ? item.Ready
+          : typeof item.ready === 'boolean'
+            ? item.ready
+            : typeof item.is_ready === 'boolean'
+              ? item.is_ready
+              : undefined
+
+      if (!playerId || typeof ready !== 'boolean') {
+        continue
+      }
+
+      applyPlayerReadyState(playerId, ready)
+    }
+  }
+
+  function handlePlayerHandResponse(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'PLAYER_HAND') {
+      return
+    }
+
+    const payload = asRecord(source.payload)
+    if (!payload) {
+      return
+    }
+
+    syncCurrentUserId(context.session, readString(source, 'target'))
+    const roomId = readString(payload, 'room_id', 'roomId') || readString(source, 'roomId')
+    if (roomId && context.gameStore.roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    const handTiles = normalizeTiles(payload.hand)
+    if (!context.session.loggedInUserId.value || handTiles.length === 0) {
+      return
+    }
+
+    clearTurnPending(context.session)
+    setPlayerHandState(context.gameStore, context.session.loggedInUserId.value, handTiles)
+    clearDingQuePending(context.session)
+
+    completeDiscard(context.session)
+    if (context.gameStore.phase !== 'waiting') {
+      clearStartGamePending(context.session)
+    }
+  }
+
+  function syncTrusteeState(payload: RoomTrusteePayload): void {
+    const playerId =
+      (typeof payload.player_id === 'string' && payload.player_id) ||
+      (typeof payload.playerId === 'string' && payload.playerId) ||
+      ''
+    if (!playerId) {
+      return
+    }
+
+    const trustee = typeof payload.trustee === 'boolean' ? payload.trustee : true
+    setPlayerTrusteeState(context.gameStore, playerId, trustee)
+    if (playerId === context.session.loggedInUserId.value) {
+      setTrustMode(context.session, trustee)
+    }
+
+  }
+
+  function handleReadyStateResponse(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'PLAYER_READY') {
+      return
+    }
+
+    const payload = asRecord(source.payload)
+    if (!payload) {
+      return
+    }
+
+    const roomId = typeof payload.room_id === 'string' ? payload.room_id : readString(source, 'roomId')
+    const userId =
+      (typeof payload.player_id === 'string' && payload.player_id) ||
+      (typeof payload.user_id === 'string' && payload.user_id) ||
+      readString(source, 'target')
+    const ready = readBoolean(payload, 'is_ready', 'ready', 'Ready')
+
+    if (roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    if (ready !== null && userId) {
+      applyPlayerReadyState(userId, ready)
+    }
+    if (userId && userId === context.session.loggedInUserId.value) {
+      clearReadyTogglePending(context.session)
+    }
+  }
+
+  function handlePlayerDingQueResponse(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'PLAYER_DING_QUE') {
+      return
+    }
+
+    const payload = asRecord(source.payload)
+    if (!payload) {
+      return
+    }
+
+    const roomId = readString(payload, 'room_id', 'roomId') || readString(source, 'roomId')
+    if (roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    const userId =
+      readString(payload, 'user_id', 'userId', 'player_id', 'playerId') || readString(source, 'target')
+    const suit = readString(payload, 'suit', 'Suit')
+    if (!userId || !suit) {
+      return
+    }
+
+    setPlayerMissingSuit(context.gameStore, userId, suit)
+
+    if (userId === context.session.loggedInUserId.value) {
+      clearDingQuePending(context.session)
+    }
+  }
+
+  return {
+    applyPlayerReadyState,
+    syncReadyStatesFromRoomUpdate,
+    handlePlayerHandResponse,
+    handleReadyStateResponse,
+    handlePlayerDingQueResponse,
+    syncTrusteeState,
+  }
+}
--- a/src/views/chengdu/socket/handlers/roomInfoHandlers.ts
+++ b/src/views/chengdu/socket/handlers/roomInfoHandlers.ts
@@ -0,0 +1,96 @@
+import { asRecord, normalizeWsType, readString } from '../../../../game/chengdu/messageNormalizers'
+import { parseRoomInfoSnapshot } from '../parsers/roomInfoSnapshot'
+import { clearRoomAndRedirect, syncActiveRoomFromRoomInfo } from '../room/roomSnapshotSync'
+import {
+  clearClaimAndTurnPending,
+  clearRoomCountdown,
+  clearDingQuePending,
+  clearSelfTurnAllowActions,
+  clearTurnPending,
+  setRoomCountdown,
+  setSettlementDeadline,
+  syncCurrentUserId,
+} from '../session/sessionStateAdapter'
+import { applyRoomSnapshot } from '../store/gameStoreAdapter'
+import type { SocketHandlerContext } from '../types'
+
+export function createRoomInfoHandlers(context: SocketHandlerContext) {
+  function handleRoomInfoResponse(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string') {
+      return
+    }
+
+    const normalizedType = normalizeWsType(source.type)
+    if (normalizedType !== 'GET_ROOM_INFO' && normalizedType !== 'ROOM_INFO') {
+      return
+    }
+
+    const payload = asRecord(source.payload) ?? source
+    syncCurrentUserId(context.session, readString(source, 'target'))
+    const room = asRecord(payload.room)
+    const gameState = asRecord(payload.game_state)
+    const playerView = asRecord(payload.player_view)
+
+    if (!room && !gameState && !playerView) {
+      clearRoomAndRedirect(context)
+      return
+    }
+
+    const snapshot = parseRoomInfoSnapshot({
+      message: source,
+      loggedInUserId: context.session.loggedInUserId.value,
+      loggedInUserName: context.session.loggedInUserName.value,
+      previousPlayers: context.gameStore.players,
+    })
+    if (!snapshot) {
+      return
+    }
+
+    if (Object.keys(snapshot.nextPlayers).length > 0) {
+      clearDingQuePending(context.session)
+    }
+
+    applyRoomSnapshot(context.gameStore, {
+      roomId: snapshot.roomId,
+      players: snapshot.nextPlayers,
+      phase: snapshot.phase,
+      wallCount: snapshot.wallCount,
+      dealerIndex: snapshot.dealerIndex,
+      currentTurn: snapshot.currentTurn,
+      needDraw: snapshot.needDraw,
+      pendingClaim: snapshot.pendingClaim,
+      scores: snapshot.scores,
+      winners: snapshot.winners,
+      currentRound: snapshot.currentRound,
+      totalRounds: snapshot.totalRounds,
+    })
+
+    if (!snapshot.pendingClaim) {
+      clearClaimAndTurnPending(context.session)
+    } else {
+      clearTurnPending(context.session)
+    }
+    if (snapshot.actionTimer) {
+      setRoomCountdown(context.session, snapshot.actionTimer)
+    } else {
+      clearRoomCountdown(context.session)
+    }
+    if (typeof snapshot.settlementDeadlineMs === 'number' && snapshot.settlementDeadlineMs > 0) {
+      setSettlementDeadline(context.session, snapshot.settlementDeadlineMs)
+    }
+    if (context.gameStore.phase !== 'playing' || snapshot.currentTurnPlayerId !== context.session.loggedInUserId.value) {
+      clearSelfTurnAllowActions(context.session)
+    }
+
+    syncActiveRoomFromRoomInfo(context, {
+      roomId: snapshot.roomId,
+      room: snapshot.room,
+      status: snapshot.status,
+    })
+  }
+
+  return {
+    handleRoomInfoResponse,
+  }
+}
--- a/src/views/chengdu/socket/handlers/roomStateHandlers.ts
+++ b/src/views/chengdu/socket/handlers/roomStateHandlers.ts
@@ -0,0 +1,103 @@
+import {
+  asRecord,
+  normalizeWsType,
+  readNumber,
+  readString,
+} from '../../../../game/chengdu/messageNormalizers'
+import { parseRoomStateSnapshot } from '../parsers/roomStateSnapshot'
+import { syncActiveRoomFromRoomState } from '../room/roomSnapshotSync'
+import {
+  clearClaimAndTurnPending,
+  clearRoomCountdown,
+  clearSelfTurnAllowActions,
+  clearStartGamePending,
+  clearTurnPending,
+  completeDiscard,
+  resetSettlementOverlayState,
+  setRoomCountdown,
+  setSettlementDeadline,
+} from '../session/sessionStateAdapter'
+import { applyRoomSnapshot } from '../store/gameStoreAdapter'
+import type { SocketHandlerContext } from '../types'
+
+export function createRoomStateHandlers(context: SocketHandlerContext) {
+  function handleRoomStateResponse(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'ROOM_STATE') {
+      return
+    }
+
+    const payload = asRecord(source.payload)
+    if (!payload) {
+      return
+    }
+
+    const roomId = readString(payload, 'room_id', 'roomId') || context.gameStore.roomId
+    if (!roomId || (context.gameStore.roomId && roomId !== context.gameStore.roomId)) {
+      return
+    }
+
+    const snapshot = parseRoomStateSnapshot({
+      payload,
+      roomId,
+      loggedInUserId: context.session.loggedInUserId.value,
+      previousPlayers: context.gameStore.players,
+    })
+
+    applyRoomSnapshot(context.gameStore, {
+      roomId: snapshot.roomId,
+      players: snapshot.nextPlayers,
+      phase: snapshot.phase,
+      wallCount: snapshot.wallCount,
+      currentTurn: snapshot.currentTurn,
+      needDraw: snapshot.needDraw,
+      pendingClaim: snapshot.pendingClaim,
+      scores: snapshot.scores,
+      winners: snapshot.winners,
+      currentRound: snapshot.currentRound,
+      totalRounds: snapshot.totalRounds,
+    })
+
+    if (typeof snapshot.settlementDeadlineMs === 'number' && snapshot.settlementDeadlineMs > 0) {
+      setSettlementDeadline(context.session, snapshot.settlementDeadlineMs)
+    } else if (snapshot.phase !== 'settlement') {
+      setSettlementDeadline(context.session, null)
+    }
+    if (snapshot.actionTimer) {
+      setRoomCountdown(context.session, snapshot.actionTimer)
+    } else {
+      clearRoomCountdown(context.session)
+    }
+
+    if (!snapshot.pendingClaim) {
+      clearClaimAndTurnPending(context.session)
+    } else {
+      clearTurnPending(context.session)
+    }
+
+    syncActiveRoomFromRoomState(context, {
+      roomId,
+      phase: snapshot.phase,
+    })
+
+    if (snapshot.phase !== 'waiting') {
+      clearStartGamePending(context.session)
+    }
+    if (snapshot.phase !== 'settlement') {
+      resetSettlementOverlayState(context.session)
+    }
+    if (snapshot.phase !== 'playing' || snapshot.currentTurnPlayerId !== context.session.loggedInUserId.value) {
+      clearSelfTurnAllowActions(context.session)
+    }
+    if (
+      snapshot.currentTurnPlayerId &&
+      snapshot.currentTurnPlayerId !== context.session.loggedInUserId.value
+    ) {
+      completeDiscard(context.session)
+    }
+  }
+
+  return {
+    handleRoomStateResponse,
+  }
+}
--- a/src/views/chengdu/socket/handlers/socketDispatch.ts
+++ b/src/views/chengdu/socket/handlers/socketDispatch.ts
@@ -0,0 +1,19 @@
+import { dispatchGameAction } from '../../../../game/dispatcher'
+import { parseGameActionMessage } from '../parsers/gameActionMessage'
+import { applyGameActionSessionEffects } from '../session/gameActionEffects'
+import type { SocketHandlerContext } from '../types'
+
+export function dispatchSocketGameAction(
+  context: SocketHandlerContext,
+  msg: unknown,
+  onRoomPlayerUpdate: (payload: any) => void,
+  onRoomTrustee: (payload: any) => void,
+): void {
+  const gameAction = parseGameActionMessage(msg)
+  if (!gameAction) {
+    return
+  }
+
+  dispatchGameAction(gameAction)
+  applyGameActionSessionEffects(context, gameAction, onRoomPlayerUpdate, onRoomTrustee)
+}
--- a/src/views/chengdu/socket/handlers/statusHandlers.ts
+++ b/src/views/chengdu/socket/handlers/statusHandlers.ts
@@ -0,0 +1,59 @@
+import {
+  asRecord,
+  normalizeWsType,
+  readString,
+} from '../../../../game/chengdu/messageNormalizers'
+import { clearClaimAndTurnPending, clearRoomCountdown, pushWsMessage, setWsError } from '../session/sessionStateAdapter'
+import type { SocketHandlerContext, StatusHandlerApi } from '../types'
+
+export function createStatusHandlers(context: SocketHandlerContext): StatusHandlerApi {
+  function handleActionAck(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'ACTION_ACK') {
+      return
+    }
+
+    const payload = asRecord(source.payload)
+    const roomId = readString(payload ?? {}, 'room_id', 'roomId') || readString(source, 'roomId')
+    if (roomId && context.gameStore.roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    const action = normalizeWsType(readString(payload ?? {}, 'action') || readString(source, 'action'))
+    if (
+      action === 'DISCARD' ||
+      action === 'DRAW' ||
+      action === 'PENG' ||
+      action === 'GANG' ||
+      action === 'HU' ||
+      action === 'PASS' ||
+      action === 'DING_QUE'
+    ) {
+      clearRoomCountdown(context.session)
+    }
+  }
+
+  function handleActionError(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'ACTION_ERROR') {
+      return
+    }
+
+    const payload = asRecord(source.payload)
+    const roomId = readString(payload ?? {}, 'room_id', 'roomId') || readString(source, 'roomId')
+    if (roomId && context.gameStore.roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    const action = readString(payload ?? {}, 'action') || 'unknown'
+    const messageText = readString(payload ?? {}, 'message') || '操作失败'
+    clearClaimAndTurnPending(context.session)
+    setWsError(context.session, messageText)
+    pushWsMessage(context.session, `[action-error] ${action}: ${messageText}`)
+  }
+
+  return {
+    handleActionAck,
+    handleActionError,
+  }
+}
--- a/src/views/chengdu/socket/handlers/turnHandlers.ts
+++ b/src/views/chengdu/socket/handlers/turnHandlers.ts
@@ -0,0 +1,197 @@
+import {
+  asRecord,
+  normalizeTimestampMs,
+  normalizeWsType,
+  readNumber,
+  readPlayerTurnAllowActions,
+  readPlayerTurnPlayerId,
+  readString,
+  readStringArray,
+} from '../../../../game/chengdu/messageNormalizers'
+import {
+  clearClaimAndTurnPending,
+  clearDingQuePending,
+  clearNextRoundPending,
+  clearRoomCountdown,
+  clearSelfTurnAllowActions,
+  clearTurnPending,
+  completeDiscard,
+  resetSettlementOverlayState,
+  setRoomCountdown,
+  setSelfTurnAllowActions,
+} from '../session/sessionStateAdapter'
+import { resetRoundResolutionState } from '../store/gameStoreAdapter'
+import type { SocketHandlerContext, TurnHandlerApi, TurnPayloadRecord } from '../types'
+
+export function createTurnHandlers(context: SocketHandlerContext): TurnHandlerApi {
+  function handlePlayerAllowAction(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'PLAYER_ALLOW_ACTION') {
+      return
+    }
+
+    const payload = asRecord(source.payload) ?? source
+    const roomId = readString(payload, 'room_id', 'roomId') || readString(source, 'roomId', 'room_id')
+    if (roomId && context.gameStore.roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    const playerId = readPlayerTurnPlayerId(payload)
+    const timeout =
+      readNumber(payload, 'timeout', 'Timeout') ??
+      readNumber(source, 'timeout', 'Timeout') ??
+      0
+    const startAtRaw =
+      readNumber(payload, 'start_at', 'startAt', 'StartAt') ??
+      readNumber(source, 'start_at', 'startAt', 'StartAt')
+
+    if (!playerId || timeout <= 0) {
+      clearRoomCountdown(context.session)
+      return
+    }
+
+    const startAtMs = normalizeTimestampMs(startAtRaw)
+    const deadlineAtMs = startAtMs !== null ? startAtMs + timeout * 1000 : null
+    const remaining =
+      deadlineAtMs !== null ? Math.max(0, Math.ceil((deadlineAtMs - context.session.now.value) / 1000)) : timeout
+
+    setRoomCountdown(context.session, {
+      playerIds: [playerId],
+      actionDeadlineAt: deadlineAtMs !== null ? new Date(deadlineAtMs).toISOString() : null,
+      countdownSeconds: timeout,
+      duration: timeout,
+      remaining,
+    })
+  }
+
+  function handleDingQueCountdown(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'DING_QUE_COUNTDOWN') {
+      return
+    }
+
+    const payload = asRecord(source.payload) ?? source
+    const roomId = readString(payload, 'room_id', 'roomId') || readString(source, 'roomId')
+    if (roomId && context.gameStore.roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    const playerIds = readStringArray(payload, 'player_ids', 'playerIds', 'PlayerIDs')
+    const fallbackPlayerId = readString(payload, 'player_id', 'playerId', 'PlayerID')
+    const normalizedPlayerIds = playerIds.length > 0 ? playerIds : fallbackPlayerId ? [fallbackPlayerId] : []
+    if (normalizedPlayerIds.length === 0) {
+      clearRoomCountdown(context.session)
+      return
+    }
+
+    const countdownSeconds = readNumber(payload, 'countdown_seconds', 'CountdownSeconds') ?? 0
+    const duration = readNumber(payload, 'duration', 'Duration') ?? countdownSeconds
+    const remaining = readNumber(payload, 'remaining', 'Remaining') ?? countdownSeconds
+    const actionDeadlineAt = readString(payload, 'action_deadline_at', 'ActionDeadlineAt') || null
+
+    if (countdownSeconds <= 0 && remaining <= 0 && !actionDeadlineAt) {
+      clearRoomCountdown(context.session)
+      return
+    }
+
+    setRoomCountdown(context.session, {
+      playerIds: normalizedPlayerIds,
+      actionDeadlineAt,
+      countdownSeconds,
+      duration,
+      remaining,
+    })
+  }
+
+  function applyPlayerTurnCountdown(payload: TurnPayloadRecord): void {
+    const playerId = readPlayerTurnPlayerId(payload)
+    const timeout =
+      (typeof payload.timeout === 'number' && Number.isFinite(payload.timeout) ? payload.timeout : null) ??
+      (typeof payload.Timeout === 'number' && Number.isFinite(payload.Timeout) ? payload.Timeout : null) ??
+      0
+    const startAtRaw =
+      (typeof payload.start_at === 'number' && Number.isFinite(payload.start_at) ? payload.start_at : null) ??
+      (typeof payload.startAt === 'number' && Number.isFinite(payload.startAt) ? payload.startAt : null) ??
+      (typeof payload.StartAt === 'number' && Number.isFinite(payload.StartAt) ? payload.StartAt : null)
+
+    if (!playerId || timeout <= 0) {
+      clearRoomCountdown(context.session)
+      return
+    }
+
+    const startAtMs = normalizeTimestampMs(startAtRaw)
+    const deadlineAtMs = startAtMs !== null ? startAtMs + timeout * 1000 : null
+    const remaining =
+      deadlineAtMs !== null ? Math.max(0, Math.ceil((deadlineAtMs - context.session.now.value) / 1000)) : timeout
+
+    setRoomCountdown(context.session, {
+      playerIds: [playerId],
+      actionDeadlineAt: deadlineAtMs !== null ? new Date(deadlineAtMs).toISOString() : null,
+      countdownSeconds: timeout,
+      duration: timeout,
+      remaining,
+    })
+  }
+
+  function resetRoundStateForNextTurn(payload: Record<string, unknown>): void {
+    const nextRound = readNumber(payload, 'current_round', 'currentRound')
+    const totalRounds = readNumber(payload, 'total_rounds', 'totalRounds')
+    if (typeof nextRound !== 'number' && typeof totalRounds !== 'number') {
+      return
+    }
+
+    if (typeof nextRound === 'number') {
+      context.gameStore.currentRound = nextRound
+    }
+    if (typeof totalRounds === 'number') {
+      context.gameStore.totalRounds = totalRounds
+    }
+
+    clearNextRoundPending(context.session)
+    resetSettlementOverlayState(context.session)
+    clearDingQuePending(context.session)
+    clearRoomCountdown(context.session)
+    clearClaimAndTurnPending(context.session)
+    clearSelfTurnAllowActions(context.session)
+    resetRoundResolutionState(context.gameStore)
+
+    completeDiscard(context.session)
+    clearTurnPending(context.session)
+  }
+
+  function handlePlayerTurn(message: unknown): void {
+    const source = asRecord(message)
+    if (!source || typeof source.type !== 'string') {
+      return
+    }
+
+    const normalizedType = normalizeWsType(source.type)
+    if (normalizedType !== 'PLAYER_TURN' && normalizedType !== 'NEXT_TURN') {
+      return
+    }
+
+    const payload = asRecord(source.payload) ?? source
+    const roomId = readString(payload, 'room_id', 'roomId') || readString(source, 'roomId')
+    if (roomId && context.gameStore.roomId && roomId !== context.gameStore.roomId) {
+      return
+    }
+
+    resetRoundStateForNextTurn(payload)
+    const turnPayload = payload as TurnPayloadRecord
+    const turnPlayerID = readPlayerTurnPlayerId(turnPayload)
+    if (turnPlayerID && turnPlayerID === context.session.loggedInUserId.value) {
+      setSelfTurnAllowActions(context.session, readPlayerTurnAllowActions(turnPayload))
+    } else {
+      clearSelfTurnAllowActions(context.session)
+    }
+    if (normalizedType === 'PLAYER_TURN') {
+      applyPlayerTurnCountdown(turnPayload)
+    }
+  }
+
+  return {
+    handleDingQueCountdown,
+    handlePlayerAllowAction,
+    handlePlayerTurn,
+  }
+}
--- a/src/views/chengdu/socket/parsers/actionTimerSnapshot.ts
+++ b/src/views/chengdu/socket/parsers/actionTimerSnapshot.ts
@@ -0,0 +1,27 @@
+import { asRecord, readNumber, readString, readStringArray } from '../../../../game/chengdu/messageNormalizers'
+import type { PlayerActionTimer } from '../../types'
+
+export function parseActionTimerSnapshot(source: unknown): PlayerActionTimer | null {
+  const timer = asRecord(source)
+  if (!timer) {
+    return null
+  }
+
+  const playerIds = readStringArray(timer, 'player_ids', 'playerIds', 'PlayerIDs')
+  const countdownSeconds = readNumber(timer, 'countdown_seconds', 'countdownSeconds', 'CountdownSeconds') ?? 0
+  const duration = readNumber(timer, 'duration', 'Duration') ?? countdownSeconds
+  const remaining = readNumber(timer, 'remaining', 'Remaining') ?? countdownSeconds
+  const actionDeadlineAt = readString(timer, 'action_deadline_at', 'actionDeadlineAt', 'ActionDeadlineAt') || null
+
+  if (playerIds.length === 0 && countdownSeconds <= 0 && remaining <= 0 && !actionDeadlineAt) {
+    return null
+  }
+
+  return {
+    playerIds,
+    actionDeadlineAt,
+    countdownSeconds,
+    duration,
+    remaining,
+  }
+}
--- a/src/views/chengdu/socket/parsers/gameActionMessage.ts
+++ b/src/views/chengdu/socket/parsers/gameActionMessage.ts
@@ -0,0 +1,100 @@
+import type { DiscardActionPayload, DrawActionPayload, GameAction, PlayerTurnPayload, RoomTrusteePayload } from '../../../../game/actions'
+import type { ClaimOptionState } from '../../../../types/state'
+import { asRecord, normalizeTile, normalizeWsType, readNumber, readString } from '../../../../game/chengdu/messageNormalizers'
+
+export function parseGameActionMessage(message: unknown): GameAction | null {
+  if (!message || typeof message !== 'object') {
+    return null
+  }
+
+  const source = message as Record<string, unknown>
+  if (typeof source.type !== 'string') {
+    return null
+  }
+
+  const type = normalizeWsType(source.type)
+  const payload = source.payload
+
+  switch (type) {
+    case 'GAME_INIT':
+    case 'GAME_START':
+    case 'DRAW_TILE':
+    case 'PLAY_TILE':
+    case 'PENDING_CLAIM':
+    case 'CLAIM_RESOLVED':
+    case 'ROOM_PLAYER_UPDATE':
+      return payload && typeof payload === 'object' ? ({ type, payload } as GameAction) : null
+    case 'ROOM_MEMBER_JOINED':
+      return payload && typeof payload === 'object'
+        ? ({ type: 'ROOM_PLAYER_UPDATE', payload } as GameAction)
+        : null
+    case 'ROOM_TRUSTEE':
+    case 'PLAYER_TRUSTEE':
+      return payload && typeof payload === 'object'
+        ? ({ type: 'ROOM_TRUSTEE', payload } as GameAction)
+        : ({ type: 'ROOM_TRUSTEE', payload: source as unknown as RoomTrusteePayload } as GameAction)
+    case 'DRAW': {
+      const resolvedPayload = asRecord(payload)
+      const playerId =
+        readString(resolvedPayload ?? {}, 'player_id', 'playerId', 'PlayerID') ||
+        readString(source, 'target')
+      if (!playerId) {
+        return null
+      }
+      return {
+        type: 'DRAW_TILE',
+        payload: {
+          ...(resolvedPayload as DrawActionPayload | null),
+          player_id: playerId,
+        },
+      }
+    }
+    case 'DISCARD': {
+      const resolvedPayload = asRecord(payload)
+      const playerId =
+        readString(resolvedPayload ?? {}, 'player_id', 'playerId', 'PlayerID') ||
+        readString(source, 'target')
+      const tile = normalizeTile(resolvedPayload?.tile)
+      if (!playerId || !tile) {
+        return null
+      }
+      const nextSeat = readNumber(resolvedPayload ?? {}, 'next_seat', 'nextSeat')
+      return {
+        type: 'PLAY_TILE',
+        payload: {
+          ...(resolvedPayload as DiscardActionPayload | null),
+          player_id: playerId,
+          tile,
+          ...(typeof nextSeat === 'number' ? { next_seat: nextSeat } : {}),
+        },
+      }
+    }
+    case 'PLAYER_TURN':
+    case 'NEXT_TURN':
+      return payload && typeof payload === 'object'
+        ? ({ type: 'PLAYER_TURN', payload } as GameAction)
+        : ({ type: 'PLAYER_TURN', payload: source as unknown as PlayerTurnPayload } as GameAction)
+    case 'PENG':
+    case 'GANG':
+    case 'HU':
+    case 'PASS': {
+      const resolvedPayload = asRecord(payload)
+      const playerId =
+        readString(resolvedPayload ?? {}, 'player_id', 'playerId', 'PlayerID') ||
+        readString(source, 'target')
+      const action = type.toLowerCase()
+      if (!playerId || !['peng', 'gang', 'hu', 'pass'].includes(action)) {
+        return null
+      }
+      return {
+        type: 'CLAIM_RESOLVED',
+        payload: {
+          playerId,
+          action: action as ClaimOptionState,
+        },
+      }
+    }
+    default:
+      return null
+  }
+}
--- a/src/views/chengdu/socket/parsers/roomInfoSnapshot.ts
+++ b/src/views/chengdu/socket/parsers/roomInfoSnapshot.ts
@@ -0,0 +1,281 @@
+import {
+  asRecord,
+  normalizeMelds,
+  normalizePendingClaim,
+  normalizeTiles,
+  readBoolean,
+  readMissingSuit,
+  readMissingSuitWithPresence,
+  readNumber,
+  readString,
+  readStringArray,
+  tileToText,
+} from '../../../../game/chengdu/messageNormalizers'
+import type { RoomMetaSnapshotState } from '../../../../store/state'
+import type { PendingClaimState, PlayerState } from '../../../../types/state'
+import type { PlayerActionTimer } from '../../types'
+import { parseActionTimerSnapshot } from './actionTimerSnapshot'
+
+interface RoomInfoSnapshotPlayerPair {
+  roomPlayer: RoomMetaSnapshotState['players'][number]
+  gamePlayer: PlayerState
+}
+
+export interface ParsedRoomInfoSnapshot {
+  room: Record<string, unknown> | null
+  gameState: Record<string, unknown> | null
+  playerView: Record<string, unknown> | null
+  roomId: string
+  roomPlayers: RoomInfoSnapshotPlayerPair[]
+  nextPlayers: Record<string, PlayerState>
+  status: string
+  phase: string
+  wallCount: number | null
+  dealerIndex: number | null
+  currentTurnPlayerId: string
+  currentTurn: number | null
+  needDraw: boolean
+  pendingClaim?: PendingClaimState
+  scores?: Record<string, number>
+  winners: string[]
+  currentRound: number | null
+  totalRounds: number | null
+  settlementDeadlineMs: number | null
+  actionTimer: PlayerActionTimer | null
+}
+
+interface ParseRoomInfoSnapshotOptions {
+  message: Record<string, unknown>
+  loggedInUserId: string
+  loggedInUserName: string
+  previousPlayers: Record<string, PlayerState>
+}
+
+function buildPlayerPairs(options: ParseRoomInfoSnapshotOptions, payload: Record<string, unknown>) {
+  const room = asRecord(payload.room)
+  const gameState = asRecord(payload.game_state)
+  const playerView = asRecord(payload.player_view)
+  const roomPlayers = Array.isArray(room?.players) ? room.players : []
+  const gamePlayers = Array.isArray(gameState?.players) ? gameState.players : []
+  const playerMap = new Map<string, RoomInfoSnapshotPlayerPair>()
+
+  roomPlayers.forEach((item, fallbackIndex) => {
+    const player = asRecord(item)
+    if (!player) {
+      return
+    }
+
+    const playerId = readString(player, 'player_id', 'PlayerID', 'id', 'user_id')
+    if (!playerId) {
+      return
+    }
+
+    const seatIndex = readNumber(player, 'index', 'Index', 'seat_index', 'seatIndex') ?? fallbackIndex
+    const displayName =
+      readString(player, 'player_name', 'PlayerName', 'display_name', 'displayName', 'nickname', 'username') ||
+      (playerId === options.loggedInUserId ? options.loggedInUserName : '')
+    const ready = readBoolean(player, 'ready', 'Ready') ?? false
+    const missingSuit = readMissingSuit(player)
+
+    playerMap.set(playerId, {
+      roomPlayer: {
+        index: seatIndex,
+        playerId,
+        displayName: displayName || undefined,
+        missingSuit,
+        ready,
+        trustee: false,
+        hand: [],
+        melds: [],
+        outTiles: [],
+        hasHu: false,
+      },
+      gamePlayer: {
+        playerId,
+        seatIndex,
+        displayName: displayName || undefined,
+        avatarURL: readString(player, 'avatar_url', 'AvatarUrl', 'avatar', 'avatarUrl') || undefined,
+        missingSuit,
+        isReady: ready,
+        isTrustee: false,
+        handTiles: [],
+        handCount: 0,
+        melds: [],
+        discardTiles: [],
+        hasHu: false,
+        score: 0,
+      },
+    })
+  })
+
+  gamePlayers.forEach((item, fallbackIndex) => {
+    const player = asRecord(item)
+    if (!player) {
+      return
+    }
+
+    const playerId = readString(player, 'player_id', 'PlayerID')
+    if (!playerId) {
+      return
+    }
+
+    const existing = playerMap.get(playerId)
+    const seatIndex =
+      existing?.gamePlayer.seatIndex ??
+      readNumber(player, 'index', 'Index', 'seat_index', 'seatIndex') ??
+      fallbackIndex
+    const displayName =
+      existing?.gamePlayer.displayName || (playerId === options.loggedInUserId ? options.loggedInUserName : '')
+    const missingSuit = readMissingSuitWithPresence(player)
+    const handCount = readNumber(player, 'hand_count', 'handCount') ?? 0
+    const outTiles = normalizeTiles(player.out_tiles ?? player.outTiles)
+    const melds = normalizeMelds(player.melds ?? player.exposed_melds ?? player.exposedMelds ?? player.claims)
+    const hasHu = Boolean(player.has_hu ?? player.hasHu)
+
+    playerMap.set(playerId, {
+      roomPlayer: {
+        index: seatIndex,
+        playerId,
+        displayName: displayName || undefined,
+        missingSuit: missingSuit.present ? missingSuit.value : (existing?.gamePlayer.missingSuit ?? null),
+        ready: existing?.roomPlayer.ready ?? false,
+        trustee: existing?.roomPlayer.trustee ?? false,
+        hand: Array.from({ length: handCount }, () => ''),
+        melds: melds.map((meld) => meld.type),
+        outTiles: outTiles.map((tile) => tileToText(tile)),
+        hasHu,
+      },
+      gamePlayer: {
+        playerId,
+        seatIndex,
+        displayName: displayName || undefined,
+        avatarURL: existing?.gamePlayer.avatarURL,
+        missingSuit: missingSuit.present ? missingSuit.value : (existing?.gamePlayer.missingSuit ?? null),
+        isReady: existing?.gamePlayer.isReady ?? false,
+        isTrustee: existing?.gamePlayer.isTrustee ?? false,
+        handTiles: existing?.gamePlayer.handTiles ?? [],
+        handCount,
+        melds: melds.length > 0 ? melds : existing?.gamePlayer.melds ?? [],
+        discardTiles: outTiles,
+        hasHu,
+        score: existing?.gamePlayer.score ?? 0,
+      },
+    })
+  })
+
+  const privateHandTiles = normalizeTiles(playerView?.hand)
+  const privateHand = privateHandTiles.map((tile) => tileToText(tile))
+  if (options.loggedInUserId && playerMap.has(options.loggedInUserId)) {
+    const current = playerMap.get(options.loggedInUserId)
+    if (current) {
+      const selfMissingSuit = readMissingSuitWithPresence(playerView)
+      current.roomPlayer.hand = privateHand
+      if (selfMissingSuit.present) {
+        current.roomPlayer.missingSuit = selfMissingSuit.value
+      }
+      current.gamePlayer.handTiles = privateHandTiles
+      current.gamePlayer.handCount = privateHandTiles.length
+      if (selfMissingSuit.present) {
+        current.gamePlayer.missingSuit = selfMissingSuit.value
+      }
+    }
+  }
+
+  return {
+    room,
+    gameState,
+    playerView,
+    roomPlayers: Array.from(playerMap.values()).sort((a, b) => a.gamePlayer.seatIndex - b.gamePlayer.seatIndex),
+  }
+}
+
+export function parseRoomInfoSnapshot(
+  options: ParseRoomInfoSnapshotOptions,
+): ParsedRoomInfoSnapshot | null {
+  const payload = asRecord(options.message.payload) ?? options.message
+  const { room, gameState, playerView, roomPlayers } = buildPlayerPairs(options, payload)
+
+  const roomId =
+    readString(room ?? {}, 'room_id', 'roomId') ||
+    readString(gameState ?? {}, 'room_id', 'roomId') ||
+    readString(playerView ?? {}, 'room_id', 'roomId') ||
+    readString(payload, 'room_id', 'roomId') ||
+    readString(options.message, 'roomId')
+  if (!roomId) {
+    return null
+  }
+
+  const nextPlayers: Record<string, PlayerState> = {}
+  roomPlayers.forEach(({ gamePlayer }) => {
+    const previous = options.previousPlayers[gamePlayer.playerId]
+    const score =
+      gameState?.scores && typeof gameState.scores === 'object'
+        ? (gameState.scores as Record<string, unknown>)[gamePlayer.playerId]
+        : undefined
+    nextPlayers[gamePlayer.playerId] = {
+      playerId: gamePlayer.playerId,
+      seatIndex: gamePlayer.seatIndex,
+      displayName: gamePlayer.displayName ?? previous?.displayName,
+      avatarURL: gamePlayer.avatarURL ?? previous?.avatarURL,
+      missingSuit:
+        typeof gamePlayer.missingSuit === 'undefined' ? (previous?.missingSuit ?? null) : gamePlayer.missingSuit,
+      isTrustee: previous?.isTrustee ?? gamePlayer.isTrustee,
+      handTiles: gamePlayer.handTiles.length > 0 ? gamePlayer.handTiles : previous?.handTiles ?? [],
+      handCount:
+        gamePlayer.handCount > 0
+          ? gamePlayer.handCount
+          : gamePlayer.handTiles.length > 0
+            ? gamePlayer.handTiles.length
+            : (previous?.handCount ?? 0),
+      melds: gamePlayer.melds.length > 0 ? gamePlayer.melds : previous?.melds ?? [],
+      discardTiles: gamePlayer.discardTiles.length > 0 ? gamePlayer.discardTiles : previous?.discardTiles ?? [],
+      hasHu: gamePlayer.hasHu || previous?.hasHu || false,
+      score: typeof score === 'number' ? score : previous?.score ?? gamePlayer.score ?? 0,
+      isReady: gamePlayer.isReady,
+    }
+  })
+
+  const status =
+    readString(gameState ?? {}, 'status') ||
+    readString(room ?? {}, 'status') ||
+    readString(gameState ?? {}, 'phase') ||
+    'waiting'
+  const rawPendingClaim = asRecord(gameState?.pending_claim ?? gameState?.pendingClaim)
+  const hasPendingClaimWindow = Boolean(rawPendingClaim && Object.keys(rawPendingClaim).length > 0)
+  const phase =
+    hasPendingClaimWindow ? 'action' : readString(gameState ?? {}, 'phase') || readString(room ?? {}, 'status') || 'waiting'
+  const wallCount = readNumber(gameState ?? {}, 'wall_count', 'wallCount')
+  const dealerIndex = readNumber(gameState ?? {}, 'dealer_index', 'dealerIndex')
+  const currentTurnSeat = readNumber(gameState ?? {}, 'current_turn', 'currentTurn')
+  const currentTurnPlayerId = readString(gameState ?? {}, 'current_turn_player', 'currentTurnPlayer') || ''
+  const currentTurn =
+    currentTurnSeat ??
+    (currentTurnPlayerId && nextPlayers[currentTurnPlayerId] ? nextPlayers[currentTurnPlayerId].seatIndex : null)
+
+  return {
+    room,
+    gameState,
+    playerView,
+    roomId,
+    roomPlayers,
+    nextPlayers,
+    status,
+    phase,
+    wallCount,
+    dealerIndex,
+    currentTurnPlayerId,
+    currentTurn,
+    needDraw: readBoolean(gameState ?? {}, 'need_draw', 'needDraw') ?? false,
+    pendingClaim: normalizePendingClaim(gameState, options.loggedInUserId),
+    scores: asRecord(gameState?.scores)
+      ? (Object.fromEntries(
+          Object.entries(asRecord(gameState?.scores) ?? {}).filter(([, value]) => typeof value === 'number'),
+        ) as Record<string, number>)
+      : undefined,
+    winners: readStringArray(gameState ?? {}, 'winners'),
+    currentRound: readNumber(gameState ?? {}, 'current_round', 'currentRound'),
+    totalRounds: readNumber(gameState ?? {}, 'total_rounds', 'totalRounds'),
+    settlementDeadlineMs: readNumber(gameState ?? {}, 'settlement_deadline_ms', 'settlementDeadlineMs'),
+    actionTimer: parseActionTimerSnapshot(gameState?.action_timer ?? gameState?.actionTimer),
+  }
+}
--- a/src/views/chengdu/socket/parsers/roomStateSnapshot.ts
+++ b/src/views/chengdu/socket/parsers/roomStateSnapshot.ts
@@ -0,0 +1,116 @@
+import {
+  asRecord,
+  normalizeMelds,
+  normalizePendingClaim,
+  normalizeTiles,
+  readBoolean,
+  readMissingSuitWithPresence,
+  readNumber,
+  readString,
+  readStringArray,
+} from '../../../../game/chengdu/messageNormalizers'
+import type { PendingClaimState, PlayerState } from '../../../../types/state'
+import type { PlayerActionTimer } from '../../types'
+import { parseActionTimerSnapshot } from './actionTimerSnapshot'
+
+export interface ParsedRoomStateSnapshot {
+  roomId: string
+  nextPlayers: Record<string, PlayerState>
+  phase: string
+  wallCount: number | null
+  currentTurnPlayerId: string
+  currentTurn: number | null
+  needDraw: boolean
+  pendingClaim?: PendingClaimState
+  scores?: Record<string, number>
+  winners: string[]
+  currentRound: number | null
+  totalRounds: number | null
+  settlementDeadlineMs: number | null
+  actionTimer: PlayerActionTimer | null
+}
+
+interface ParseRoomStateSnapshotOptions {
+  payload: Record<string, unknown>
+  roomId: string
+  loggedInUserId: string
+  previousPlayers: Record<string, PlayerState>
+}
+
+export function parseRoomStateSnapshot(
+  options: ParseRoomStateSnapshotOptions,
+): ParsedRoomStateSnapshot {
+  const { payload, previousPlayers } = options
+  const nextPlayers: Record<string, PlayerState> = {}
+  const gamePlayers = Array.isArray(payload.players) ? payload.players : []
+
+  gamePlayers.forEach((item, fallbackIndex) => {
+    const player = asRecord(item)
+    if (!player) {
+      return
+    }
+
+    const playerId = readString(player, 'player_id', 'PlayerID')
+    if (!playerId) {
+      return
+    }
+
+    const previous = previousPlayers[playerId]
+    const seatIndex = previous?.seatIndex ?? fallbackIndex
+    const handCount = readNumber(player, 'hand_count', 'handCount') ?? previous?.handCount ?? 0
+    const outTiles = normalizeTiles(player.out_tiles ?? player.outTiles)
+    const melds = normalizeMelds(player.melds ?? player.exposed_melds ?? player.exposedMelds ?? player.claims)
+    const hasHu = Boolean(player.has_hu ?? player.hasHu)
+    const dingQue = readMissingSuitWithPresence(player)
+    const scores = asRecord(payload.scores)
+    const score = scores?.[playerId]
+
+    nextPlayers[playerId] = {
+      playerId,
+      seatIndex,
+      displayName: previous?.displayName ?? playerId,
+      avatarURL: previous?.avatarURL,
+      isTrustee: previous?.isTrustee ?? false,
+      missingSuit: dingQue.present ? dingQue.value : (previous?.missingSuit ?? null),
+      handTiles: previous?.handTiles ?? [],
+      handCount,
+      melds,
+      discardTiles: outTiles,
+      hasHu,
+      score: typeof score === 'number' ? score : previous?.score ?? 0,
+      isReady: previous?.isReady ?? false,
+    }
+  })
+
+  const rawPendingClaim = asRecord(payload.pending_claim ?? payload.pendingClaim)
+  const hasPendingClaimWindow = Boolean(rawPendingClaim && Object.keys(rawPendingClaim).length > 0)
+  const phase =
+    hasPendingClaimWindow ? 'action' : readString(payload, 'phase') || readString(payload, 'status') || 'waiting'
+  const wallCount = readNumber(payload, 'wall_count', 'wallCount')
+  const currentTurnSeat = readNumber(payload, 'current_turn', 'currentTurn')
+  const currentTurnPlayerId = readString(payload, 'current_turn_player', 'currentTurnPlayer') || ''
+  const currentTurn =
+    currentTurnSeat ??
+    (currentTurnPlayerId && nextPlayers[currentTurnPlayerId] ? nextPlayers[currentTurnPlayerId].seatIndex : null)
+
+  return {
+    roomId: options.roomId,
+    nextPlayers,
+    phase,
+    wallCount,
+    currentTurnPlayerId,
+    currentTurn,
+    needDraw: readBoolean(payload, 'need_draw', 'needDraw') ?? false,
+    pendingClaim: normalizePendingClaim(payload, options.loggedInUserId),
+    scores: asRecord(payload.scores)
+      ? (Object.fromEntries(
+          Object.entries(asRecord(payload.scores) ?? {}).filter(([, value]) => typeof value === 'number'),
+        ) as Record<string, number>)
+      : undefined,
+    winners: readStringArray(payload, 'winners'),
+    currentRound: readNumber(payload, 'current_round', 'currentRound'),
+    totalRounds: readNumber(payload, 'total_rounds', 'totalRounds'),
+    settlementDeadlineMs: readNumber(payload, 'settlement_deadline_ms', 'settlementDeadlineMs'),
+    actionTimer: parseActionTimerSnapshot(payload.action_timer ?? payload.actionTimer),
+  }
+}
--- a/src/views/chengdu/socket/parsers/socketEnvelope.ts
+++ b/src/views/chengdu/socket/parsers/socketEnvelope.ts
@@ -0,0 +1,20 @@
+import { asRecord, normalizeWsType } from '../../../../game/chengdu/messageNormalizers'
+
+export interface SocketEnvelope {
+  raw: unknown
+  source: Record<string, unknown>
+  normalizedType: string
+}
+
+export function parseSocketEnvelope(message: unknown): SocketEnvelope | null {
+  const source = asRecord(message)
+  if (!source || typeof source.type !== 'string') {
+    return null
+  }
+
+  return {
+    raw: message,
+    source,
+    normalizedType: normalizeWsType(source.type),
+  }
+}
--- a/src/views/chengdu/socket/room/roomSnapshotSync.ts
+++ b/src/views/chengdu/socket/room/roomSnapshotSync.ts
@@ -0,0 +1,83 @@
+import { clearRoomMetaSnapshotState, setRoomMetaSnapshot } from '../../../../store'
+import { wsClient } from '../../../../ws/client'
+import { readNumber, readString } from '../../../../game/chengdu/messageNormalizers'
+import type { SocketHandlerContext } from '../types'
+
+interface SyncRoomStateSnapshotOptions {
+  roomId: string
+  phase: string
+}
+
+interface SyncRoomInfoSnapshotOptions {
+  roomId: string
+  room: Record<string, unknown> | null
+  status: string
+}
+
+export function clearRoomAndRedirect(context: SocketHandlerContext): void {
+  clearRoomMetaSnapshotState()
+  context.gameStore.resetGame()
+  wsClient.close()
+  void context.router.push('/hall')
+}
+
+export function syncActiveRoomFromRoomState(
+  context: SocketHandlerContext,
+  options: SyncRoomStateSnapshotOptions,
+): void {
+  const previousRoom = context.roomMeta.value
+
+  setRoomMetaSnapshot({
+    roomId: options.roomId,
+    roomName: previousRoom?.roomName || context.roomName.value,
+    gameType: previousRoom?.gameType || 'chengdu',
+    ownerId: previousRoom?.ownerId || '',
+    maxPlayers: previousRoom?.maxPlayers ?? 4,
+    playerCount: previousRoom?.playerCount ?? Object.keys(context.gameStore.players).length,
+    status:
+      options.phase === 'settlement' ? 'finished' : options.phase === 'waiting' ? 'waiting' : 'playing',
+    createdAt: previousRoom?.createdAt || '',
+    updatedAt: previousRoom?.updatedAt || '',
+    players: previousRoom?.players ?? [],
+    myHand: previousRoom?.myHand ?? [],
+    game: previousRoom?.game,
+  })
+}
+
+export function syncActiveRoomFromRoomInfo(
+  context: SocketHandlerContext,
+  options: SyncRoomInfoSnapshotOptions,
+): void {
+  const previousRoom = context.roomMeta.value
+  setRoomMetaSnapshot({
+    roomId: options.roomId,
+    roomName:
+      readString(options.room ?? {}, 'name', 'room_name') ||
+      previousRoom?.roomName ||
+      context.roomName.value,
+    gameType: readString(options.room ?? {}, 'game_type') || previousRoom?.gameType || 'chengdu',
+    ownerId: readString(options.room ?? {}, 'owner_id') || previousRoom?.ownerId || '',
+    maxPlayers: readNumber(options.room ?? {}, 'max_players') ?? previousRoom?.maxPlayers ?? 4,
+    playerCount: readNumber(options.room ?? {}, 'player_count') ?? previousRoom?.playerCount ?? 0,
+    status: options.status,
+    createdAt: readString(options.room ?? {}, 'created_at') || previousRoom?.createdAt || '',
+    updatedAt: readString(options.room ?? {}, 'updated_at') || previousRoom?.updatedAt || '',
+    players: previousRoom?.players ?? [],
+    myHand: previousRoom?.myHand ?? [],
+    game: previousRoom?.game,
+  })
+}
+
+export function hydrateGameStoreFromActiveRoom(context: SocketHandlerContext, routeRoomId: string): void {
+  const room = context.roomMeta.value
+  if (!room) {
+    return
+  }
+
+  const targetRoomId = routeRoomId || room.roomId
+  if (!targetRoomId || room.roomId !== targetRoomId) {
+    return
+  }
+
+  context.gameStore.roomId = room.roomId
+}
--- a/src/views/chengdu/socket/router/socketMessageRouter.ts
+++ b/src/views/chengdu/socket/router/socketMessageRouter.ts
@@ -0,0 +1,40 @@
+import type { PlayerHandlerApi, RoomHandlerApi, StatusHandlerApi, TurnHandlerApi } from '../types'
+
+interface SocketMessageRouterDeps {
+  roomHandlers: RoomHandlerApi
+  playerHandlers: PlayerHandlerApi
+  turnHandlers: TurnHandlerApi
+  statusHandlers: StatusHandlerApi
+}
+
+type SocketRouteHandler = (message: unknown) => void
+
+export function createSocketMessageRouter(deps: SocketMessageRouterDeps) {
+  const routes = new Map<string, SocketRouteHandler[]>([
+    ['GET_ROOM_INFO', [deps.roomHandlers.handleRoomInfoResponse]],
+    ['ROOM_INFO', [deps.roomHandlers.handleRoomInfoResponse]],
+    ['ROOM_STATE', [deps.roomHandlers.handleRoomStateResponse]],
+    ['PLAYER_HAND', [deps.playerHandlers.handlePlayerHandResponse]],
+    ['PLAYER_ALLOW_ACTION', [deps.turnHandlers.handlePlayerAllowAction]],
+    ['PLAYER_TURN', [deps.turnHandlers.handlePlayerTurn]],
+    ['NEXT_TURN', [deps.turnHandlers.handlePlayerTurn]],
+    ['ACTION_ACK', [deps.statusHandlers.handleActionAck]],
+    ['ACTION_ERROR', [deps.statusHandlers.handleActionError]],
+    ['DING_QUE_COUNTDOWN', [deps.turnHandlers.handleDingQueCountdown]],
+    ['PLAYER_READY', [deps.playerHandlers.handleReadyStateResponse]],
+    ['PLAYER_DING_QUE', [deps.playerHandlers.handlePlayerDingQueResponse]],
+  ])
+
+  function route(normalizedType: string, message: unknown): void {
+    const handlers = routes.get(normalizedType)
+    if (!handlers) {
+      return
+    }
+
+    handlers.forEach((handler) => handler(message))
+  }
+
+  return {
+    route,
+  }
+}
--- a/src/views/chengdu/socket/session/gameActionEffects.ts
+++ b/src/views/chengdu/socket/session/gameActionEffects.ts
@@ -0,0 +1,49 @@
+import type { GameAction, RoomPlayerUpdatePayload, RoomTrusteePayload } from '../../../../game/actions'
+import { readPlayerTurnPlayerId } from '../../../../game/chengdu/messageNormalizers'
+import {
+  clearClaimAndTurnPending,
+  clearReadyTogglePending,
+  clearRoomCountdown,
+  clearSelectedDiscard,
+  clearStartGamePending,
+  completeDiscard,
+} from './sessionStateAdapter'
+import type { SocketHandlerContext } from '../types'
+
+export function applyGameActionSessionEffects(
+  context: SocketHandlerContext,
+  gameAction: GameAction,
+  onRoomPlayerUpdate: (payload: RoomPlayerUpdatePayload) => void,
+  onRoomTrustee: (payload: RoomTrusteePayload) => void,
+): void {
+  if (gameAction.type === 'GAME_START') {
+    clearStartGamePending(context.session)
+    clearRoomCountdown(context.session)
+  }
+  if (gameAction.type === 'PLAY_TILE' && gameAction.payload.playerId === context.session.loggedInUserId.value) {
+    completeDiscard(context.session)
+  }
+  if (
+    gameAction.type === 'PLAY_TILE' ||
+    gameAction.type === 'PENDING_CLAIM' ||
+    gameAction.type === 'CLAIM_RESOLVED'
+  ) {
+    clearRoomCountdown(context.session)
+  }
+  if (gameAction.type === 'ROOM_PLAYER_UPDATE') {
+    onRoomPlayerUpdate(gameAction.payload)
+    clearReadyTogglePending(context.session)
+  }
+  if (gameAction.type === 'CLAIM_RESOLVED') {
+    clearClaimAndTurnPending(context.session)
+  }
+  if (gameAction.type === 'ROOM_TRUSTEE') {
+    onRoomTrustee(gameAction.payload)
+  }
+  if (
+    gameAction.type === 'PLAYER_TURN' &&
+    readPlayerTurnPlayerId(gameAction.payload as Record<string, unknown>) !== context.session.loggedInUserId.value
+  ) {
+    clearSelectedDiscard(context.session)
+  }
+}
--- a/src/views/chengdu/socket/session/sessionStateAdapter.ts
+++ b/src/views/chengdu/socket/session/sessionStateAdapter.ts
@@ -0,0 +1,79 @@
+import type { PlayerActionTimer } from '../../types'
+import type { useChengduGameSession } from '../../composables/useChengduGameSession'
+
+type ChengduGameSession = ReturnType<typeof useChengduGameSession>
+
+export function pushWsMessage(session: ChengduGameSession, message: string): void {
+  session.wsMessages.value.push(message)
+}
+
+export function setWsError(session: ChengduGameSession, message: string): void {
+  session.wsError.value = message
+}
+
+export function syncCurrentUserId(session: ChengduGameSession, userId: string): void {
+  session.syncCurrentUserID(userId)
+}
+
+export function clearClaimAndTurnPending(session: ChengduGameSession): void {
+  session.claimActionPending.value = false
+  session.clearTurnActionPending()
+}
+
+export function clearTurnPending(session: ChengduGameSession): void {
+  session.clearTurnActionPending()
+}
+
+export function clearReadyTogglePending(session: ChengduGameSession): void {
+  session.readyTogglePending.value = false
+}
+
+export function clearStartGamePending(session: ChengduGameSession): void {
+  session.startGamePending.value = false
+}
+
+export function clearDingQuePending(session: ChengduGameSession): void {
+  session.dingQuePending.value = false
+}
+
+export function clearNextRoundPending(session: ChengduGameSession): void {
+  session.nextRoundPending.value = false
+}
+
+export function resetSettlementOverlayState(session: ChengduGameSession): void {
+  session.nextRoundPending.value = false
+  session.settlementOverlayDismissed.value = false
+  session.settlementDeadlineMs.value = null
+}
+
+export function setSettlementDeadline(session: ChengduGameSession, deadlineMs: number | null): void {
+  session.settlementDeadlineMs.value = deadlineMs
+}
+
+export function clearRoomCountdown(session: ChengduGameSession): void {
+  session.roomCountdown.value = null
+}
+
+export function setRoomCountdown(session: ChengduGameSession, countdown: PlayerActionTimer): void {
+  session.roomCountdown.value = countdown
+}
+
+export function completeDiscard(session: ChengduGameSession): void {
+  session.markDiscardCompleted()
+}
+
+export function clearSelectedDiscard(session: ChengduGameSession): void {
+  session.selectedDiscardTileId.value = null
+}
+
+export function setSelfTurnAllowActions(session: ChengduGameSession, actions: string[]): void {
+  session.selfTurnAllowActions.value = actions
+}
+
+export function clearSelfTurnAllowActions(session: ChengduGameSession): void {
+  session.selfTurnAllowActions.value = []
+}
+
+export function setTrustMode(session: ChengduGameSession, enabled: boolean): void {
+  session.isTrustMode.value = enabled
+}
--- a/src/views/chengdu/socket/store/gameStoreAdapter.ts
+++ b/src/views/chengdu/socket/store/gameStoreAdapter.ts
@@ -0,0 +1,109 @@
+import type { PendingClaimState, PlayerState, Tile } from '../../../../types/state'
+import type { ChengduSocketGameStore } from '../types'
+
+interface ApplyRoomSnapshotOptions {
+  roomId: string
+  players?: Record<string, PlayerState>
+  phase: string
+  wallCount?: number | null
+  dealerIndex?: number | null
+  currentTurn?: number | null
+  needDraw: boolean
+  pendingClaim?: PendingClaimState
+  scores?: Record<string, number>
+  winners?: string[]
+  currentRound?: number | null
+  totalRounds?: number | null
+}
+
+const phaseMap: Record<string, ChengduSocketGameStore['phase']> = {
+  waiting: 'waiting',
+  dealing: 'dealing',
+  ding_que: 'dealing',
+  playing: 'playing',
+  action: 'action',
+  settlement: 'settlement',
+  finished: 'settlement',
+}
+
+function normalizePhase(phase: string, fallback: ChengduSocketGameStore['phase']): ChengduSocketGameStore['phase'] {
+  return phaseMap[phase] ?? fallback
+}
+
+export function applyRoomSnapshot(gameStore: ChengduSocketGameStore, options: ApplyRoomSnapshotOptions): void {
+  gameStore.roomId = options.roomId
+  if (options.players && Object.keys(options.players).length > 0) {
+    gameStore.players = options.players
+  }
+
+  gameStore.phase = normalizePhase(options.phase, gameStore.phase)
+
+  if (typeof options.wallCount === 'number') {
+    gameStore.remainingTiles = options.wallCount
+  }
+  if (typeof options.dealerIndex === 'number') {
+    gameStore.dealerIndex = options.dealerIndex
+  }
+  if (typeof options.currentTurn === 'number') {
+    gameStore.currentTurn = options.currentTurn
+  }
+
+  gameStore.needDraw = options.needDraw
+  gameStore.pendingClaim = options.pendingClaim
+  gameStore.scores = options.scores ?? {}
+  gameStore.winners = options.winners ?? []
+
+  if (typeof options.currentRound === 'number') {
+    gameStore.currentRound = options.currentRound
+  }
+  if (typeof options.totalRounds === 'number') {
+    gameStore.totalRounds = options.totalRounds
+  }
+}
+
+export function setPlayerReadyState(gameStore: ChengduSocketGameStore, playerId: string, ready: boolean): void {
+  const player = gameStore.players[playerId]
+  if (player) {
+    player.isReady = ready
+  }
+}
+
+export function setPlayerHandState(
+  gameStore: ChengduSocketGameStore,
+  playerId: string,
+  handTiles: Tile[],
+): void {
+  const player = gameStore.players[playerId]
+  if (player) {
+    player.handTiles = handTiles
+    player.handCount = handTiles.length
+  }
+}
+
+export function setPlayerMissingSuit(
+  gameStore: ChengduSocketGameStore,
+  playerId: string,
+  missingSuit: string | null,
+): void {
+  const player = gameStore.players[playerId]
+  if (player) {
+    player.missingSuit = missingSuit
+  }
+}
+
+export function setPlayerTrusteeState(gameStore: ChengduSocketGameStore, playerId: string, trustee: boolean): void {
+  const player = gameStore.players[playerId]
+  if (player) {
+    player.isTrustee = trustee
+  }
+}
+
+export function resetRoundResolutionState(gameStore: ChengduSocketGameStore): void {
+  gameStore.pendingClaim = undefined
+  gameStore.winners = []
+
+  Object.values(gameStore.players).forEach((player) => {
+    player.missingSuit = null
+    player.hasHu = false
+  })
+}
--- a/src/views/chengdu/socket/types.ts
+++ b/src/views/chengdu/socket/types.ts
@@ -0,0 +1,63 @@
+import type { ComputedRef, Ref } from 'vue'
+import type { PlayerTurnPayload, RoomPlayerUpdatePayload, RoomTrusteePayload } from '../../../game/actions'
+import type { RoomMetaSnapshotState } from '../../../store/state'
+import type { PlayerState, Tile } from '../../../types/state'
+import type { DisplayPlayer } from '../types'
+import type { useChengduGameSession } from '../composables/useChengduGameSession'
+
+export interface ChengduSocketGameStore {
+  roomId: string
+  phase: string
+  players: Record<string, PlayerState>
+  dealerIndex: number
+  currentTurn: number
+  remainingTiles: number
+  needDraw: boolean
+  pendingClaim?: unknown
+  scores: Record<string, number>
+  winners: string[]
+  currentRound: number
+  totalRounds: number
+  resetGame: () => void
+}
+
+export interface SocketHandlerContext {
+  router: { push: (to: string) => Promise<unknown> | unknown }
+  gameStore: ChengduSocketGameStore
+  roomMeta: Ref<RoomMetaSnapshotState | null>
+  roomName: ComputedRef<string>
+  myHandTiles: ComputedRef<Tile[]>
+  myPlayer: ComputedRef<DisplayPlayer | undefined>
+  session: ReturnType<typeof useChengduGameSession>
+}
+
+export interface ReadyStateApi {
+  applyPlayerReadyState: (playerId: string, ready: boolean) => void
+  syncReadyStatesFromRoomUpdate: (payload: RoomPlayerUpdatePayload) => void
+}
+
+export interface RoomHandlerApi {
+  handleRoomStateResponse: (message: unknown) => void
+  handleRoomInfoResponse: (message: unknown) => void
+  hydrateFromActiveRoom: (routeRoomId: string) => void
+}
+
+export interface PlayerHandlerApi extends ReadyStateApi {
+  handlePlayerHandResponse: (message: unknown) => void
+  handleReadyStateResponse: (message: unknown) => void
+  handlePlayerDingQueResponse: (message: unknown) => void
+  syncTrusteeState: (payload: RoomTrusteePayload) => void
+}
+
+export interface TurnHandlerApi {
+  handleDingQueCountdown: (message: unknown) => void
+  handlePlayerAllowAction: (message: unknown) => void
+  handlePlayerTurn: (message: unknown) => void
+}
+
+export interface StatusHandlerApi {
+  handleActionAck: (message: unknown) => void
+  handleActionError: (message: unknown) => void
+}
+
+export type TurnPayloadRecord = PlayerTurnPayload & Record<string, unknown>
--- a/src/views/chengdu/types.ts
+++ b/src/views/chengdu/types.ts
@@ -0,0 +1,116 @@
+import type {ComputedRef, Ref} from 'vue'
+import type {SeatPlayerCardModel} from '../../components/game/seat-player-card'
+import type {SeatKey} from '../../game/seat'
+import type {RoomMetaSnapshotState} from '../../store/state'
+import type {PlayerState} from '../../types/state'
+import type {Tile} from '../../types/tile'
+
+export type DisplayPlayer = PlayerState & {
+    displayName?: string
+    missingSuit?: string | null
+}
+
+export type HandSuitLabel = '万' | '筒' | '条'
+export type TableTileImageType = 'hand' | 'exposed' | 'covered'
+
+export interface WallTileItem {
+    key: string
+    src: string
+    alt: string
+    imageType: TableTileImageType
+    isGroupStart?: boolean
+    showLackTag?: boolean
+    suit?: Tile['suit']
+    tile?: Tile
+}
+
+export interface WallSeatState {
+    tiles: WallTileItem[]
+}
+
+export interface DeskSeatState {
+    tiles: WallTileItem[]
+    hasHu: boolean
+}
+
+export interface SeatViewModel {
+    key: SeatKey
+    player?: DisplayPlayer
+    isSelf: boolean
+    isTurn: boolean
+}
+
+export interface PlayerActionTimer {
+    playerIds: string[]
+    actionDeadlineAt?: string | null
+    countdownSeconds: number
+    duration: number
+    remaining: number
+}
+
+export interface ActionCountdownView {
+    playerLabel: string
+    remaining: number
+    duration: number
+    isSelf: boolean
+    progress: number
+}
+
+export interface TableViewDeps {
+    roomMeta: Ref<RoomMetaSnapshotState | null>
+    gamePlayers: ComputedRef<DisplayPlayer[]>
+    gameStore: {
+        roomId: string
+        phase: string
+        remainingTiles: number
+        dealerIndex: number
+        currentTurn: number
+        currentRound: number
+        totalRounds: number
+        winners: string[]
+        scores: Record<string, number>
+    }
+    localCachedAvatarUrl: ComputedRef<string>
+    loggedInUserId: ComputedRef<string>
+    loggedInUserName: ComputedRef<string>
+    myHandTiles: ComputedRef<Tile[]>
+    myPlayer: ComputedRef<DisplayPlayer | undefined>
+    routeRoomName: ComputedRef<string>
+}
+
+export interface TableViewResult {
+    roomName: ComputedRef<string>
+    roomState: ComputedRef<{
+        roomId: string
+        name: string
+        playerCount: number
+        maxPlayers: number
+        status: string
+        game: {
+            state: {
+                wall: string[]
+                dealerIndex: number
+                currentTurn: number
+                phase: string
+            }
+        }
+    }>
+    seatViews: ComputedRef<SeatViewModel[]>
+    seatWinds: ComputedRef<Record<SeatKey, string>>
+    currentTurnSeat: ComputedRef<SeatKey | ''>
+    currentPhaseText: ComputedRef<string>
+    roomStatusText: ComputedRef<string>
+    roundText: ComputedRef<string>
+    visibleHandTileGroups: ComputedRef<Array<{ suit: HandSuitLabel; tiles: Tile[] }>>
+    sortedVisibleHandTiles: ComputedRef<Tile[]>
+    wallSeats: ComputedRef<Record<SeatKey, WallSeatState>>
+    deskSeats: ComputedRef<Record<SeatKey, DeskSeatState>>
+    seatDecor: ComputedRef<Record<SeatKey, SeatPlayerCardModel>>
+    settlementPlayers: ComputedRef<Array<{
+        playerId: string
+        displayName: string
+        score: number
+        isWinner: boolean
+        seatIndex: number
+    }>>
+}
--- a/src/ws/client.ts
+++ b/src/ws/client.ts
@@ -134,6 +134,7 @@ class WsClient {
    // 订阅状态变化
    onStatusChange(handler: StatusHandler) {
        this.statusHandlers.push(handler)
+        handler(this.status)
        return () => {
            this.statusHandlers = this.statusHandlers.filter(fn => fn !== handler)
        }
Author	SHA1	Message	Date
wsy182	3c876c4c3d	feat(ws): 添加WebSocket客户端及房间状态处理功能 - 实现WebSocket客户端类，支持连接、发送消息、状态监听和自动重连 - 添加房间信息和状态的消息处理器，用于同步游戏状态和玩家数据 - 实现房间快照解析功能，处理玩家信息、游戏阶段、计时器等数据结构 - 集成会话状态适配器，管理房间倒计时、结算截止时间等状态变更 - 添加单例WebSocket客户端实例，统一管理WebSocket连接生命周期	2026-04-06 15:13:43 +08:00
wsy182	cfc65070ea	feat(game): 添加成都麻将游戏核心功能实现 - 定义游戏动作类型和载荷接口，包括摸牌、出牌、碰杠胡等操作 - 创建成都麻将游戏页面组件，集成桌面视图和玩家交互界面 - 实现游戏动作消息解析器，处理WebSocket消息转换为游戏动作 - 构建游戏状态管理store，管理玩家信息、回合状态和游戏流程 - 开发房间信息快照解析器，同步房间状态和玩家数据 - 实现房间状态快照解析，处理游戏阶段转换和玩家操作	2026-04-03 22:41:58 +08:00
wsy182	0bf68d4e49	feat(chengdu): 添加socket消息解析和路由功能 - 创建SocketEnvelope接口和parseSocketEnvelope函数用于解析socket消息 - 实现createSocketMessageRouter函数用于创建消息路由器 - 配置多种消息类型的路由映射关系 - 支持房间、玩家、回合和状态相关的消息处理 - 提供统一的消息分发机制给相应的处理器	2026-04-03 20:48:31 +08:00
wsy182	e96c45739e	feat(game): 添加成都麻将游戏页面和大厅功能 - 实现 ChengduGamePage.vue 组件，包含完整的麻将游戏界面 - 实现 HallPage.vue 组件，支持房间列表展示、创建和加入功能 - 添加 mahjong API 接口用于房间管理操作 - 集成 store 状态管理和本地存储功能 - 实现 ChengduBottomActions 等游戏控制组件 - 添加 websocket 连接和游戏会话管理逻辑 - 实现游戏倒计时、结算等功能模块	2026-04-03 20:46:50 +08:00
wsy182	39d85f2998	fix(game): 修正成都游戏页面阶段映射错误 - 将 ding_que 阶段从 playing 更正为 dealing - 统一了两处相同的 phaseMap 配置修正	2026-04-03 15:53:52 +08:00
wsy182	e6cba75f9b	feat(game): 添加游戏状态管理store并统一就绪状态字段 - 在actions.ts中添加is_ready字段支持多种就绪状态标识 - 在ChengduGamePage.vue中更新就绪状态判断逻辑，优先使用is_ready字段 - 修改WebSocket消息类型从SET_READY到PLAYER_READY以保持一致性 - 更新就绪载荷中的用户ID字段从user_id到player_id - 创建新的gameStore.ts文件实现完整的麻将游戏状态管理 - 添加房间玩家更新、托管设置、玩家回合等核心游戏逻辑处理 - 实现摸牌、出牌、操作窗口等游戏状态变更功能 - 统一处理多种数据格式的兼容性问题	2026-04-03 15:24:46 +08:00
wsy182	6c3fca3530	feat(game): 添加玩家回合动作权限控制功能 - 在actions.ts中增加available_actions相关字段支持 - 移除未使用的watch导入和相关逻辑 - 新增selfTurnAllowActions响应式变量存储当前回合可执行动作 - 实现settlementOverlayDismissed控制结算弹窗显示状态 - 修改showSettlementOverlay计算属性加入弹窗已关闭条件判断 - 使用canSelfGang计算属性替代原有的concealedGangCandidates逻辑 - 新增readPlayerTurnAllowActions函数解析玩家回合允许的动作列表 - 实现readMissingSuitWithPresence函数增强缺门花色字段检测逻辑 - 更新玩家数据处理逻辑以兼容新的字段结构变化 - 调整游戏阶段映射增加ding_que到playing的转换支持 - 实现resetRoundStateForNextTurn函数重置回合状态 - 更新handlePlayerTurn消息处理逻辑 - 优化nextRound函数逻辑并设置结算弹窗为已关闭状态 - 简化submitSelfGang函数移除传入参数依赖 - 调整UI渲染逻辑适配新的动作权限控制模式	2026-04-01 17:27:35 +08:00