feat(chengdu): 更新结算界面添加准备状态和房间管理功能

- 添加玩家准备状态显示和切换功能
- 实现房主控制下一局开始的游戏流程
- 添加退出房间按钮和相关状态管理
- 集成准备状态的计算逻辑和UI展示
- 更新组件props传递准备和房间状态数据
- 重构结算界面按钮布局和交互逻辑

src/components/chengdu/ChengduSettlementOverlay.vue

@@ -1,5 +1,7 @@
 <script setup lang="ts">
-defineProps<{
+import { computed } from 'vue'
+
+const props = defineProps<{
   show: boolean
   isLastRound: boolean
   currentRound: number
@@ -10,16 +12,27 @@ defineProps<{
     score: number
     isWinner: boolean
     seatIndex: number
+    isReady: boolean
   }>
   loggedInUserId: string
-  nextRoundPending: boolean
+  isRoomOwner: boolean
+  selfIsReady: boolean
+  readyTogglePending: boolean
+  startNextRoundPending: boolean
+  leaveRoomPending: boolean
   settlementCountdown: number | null
 }>()
 
 const emit = defineEmits<{
-  nextRound: []
+  ready: []
+  startNextRound: []
+  exit: []
   backHall: []
 }>()
+
+const allPlayersReady = computed(() =>
+  props.settlementPlayers.length > 0 && props.settlementPlayers.every((p) => p.isReady),
+)
 </script>
 
 <template>
@@ -44,29 +57,63 @@ const emit = defineEmits<{
           <span class="settlement-score" :class="{ 'is-positive': item.score > 0, 'is-negative': item.score < 0 }">
             {{ item.score > 0 ? '+' : '' }}{{ item.score }}
           </span>
+          <span class="settlement-ready-badge" :class="{ 'is-ready': item.isReady }">
+            {{ item.isReady ? '已准备' : '等待...' }}
+          </span>
         </div>
       </div>
       <div class="settlement-actions">
-        <button
+        <!-- 非末局：准备按钮 + 房主开始游戏按钮 -->
-          v-if="!isLastRound"
+        <template v-if="!isLastRound">
-          class="ready-toggle ready-toggle-inline settlement-btn"
+          <button
-          type="button"
+            class="ready-toggle ready-toggle-inline settlement-btn"
-          :disabled="nextRoundPending"
+            :class="{ 'is-ready': selfIsReady }"
-          @click="emit('nextRound')"
+            type="button"
-        >
+            :disabled="selfIsReady || readyTogglePending"
-          <span class="ready-toggle-label">
+            @click="emit('ready')"
-            {{
+          >
-              nextRoundPending
+            <span class="ready-toggle-label">
-                ? '准备中...'
+              {{
-                : settlementCountdown != null && settlementCountdown > 0
+                readyTogglePending
-                  ? `下一局 (${settlementCountdown}s)`
+                  ? '请求中...'
-                  : '下一局'
+                  : selfIsReady
-            }}
+                    ? '已准备'
-          </span>
+                    : '准备'
-        </button>
+              }}
+            </span>
+          </button>
+          <button
+            v-if="isRoomOwner"
+            class="ready-toggle ready-toggle-inline settlement-btn"
+            type="button"
+            :disabled="!allPlayersReady || startNextRoundPending"
+            @click="emit('startNextRound')"
+          >
+            <span class="ready-toggle-label">
+              {{
+                startNextRoundPending
+                  ? '开始中...'
+                  : allPlayersReady
+                    ? '开始游戏'
+                    : `开始游戏 (${settlementPlayers.filter((p) => p.isReady).length}/${settlementPlayers.length})`
+              }}
+            </span>
+          </button>
+          <p v-else-if="allPlayersReady" class="settlement-waiting-owner">等待房主开始...</p>
+        </template>
+        <!-- 末局：返回大厅 -->
         <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>
+        <!-- 退出按钮（始终显示） -->
+        <button
+          class="ready-toggle ready-toggle-inline settlement-btn settlement-btn-exit"
+          type="button"
+          :disabled="leaveRoomPending"
+          @click="emit('exit')"
+        >
+          <span class="ready-toggle-label">{{ leaveRoomPending ? '退出中...' : '退出' }}</span>
+        </button>
       </div>
     </div>
   </div>

src/views/ChengduGamePage.vue

@@ -41,11 +41,11 @@ const {
   roomCountdown,
   leaveRoomPending,
   readyTogglePending,
+  nextRoundPending: startNextRoundPending,
   dingQuePending,
   discardPending,
   claimActionPending,
   turnActionPending,
-  nextRoundPending,
   selectedDiscardTileId,
   menuOpen,
   isTrustMode,
@@ -263,9 +263,15 @@ function handleLeaveRoom(): void {
             :total-rounds="gameStore.totalRounds"
             :settlement-players="settlementPlayers"
             :logged-in-user-id="loggedInUserId"
-            :next-round-pending="nextRoundPending"
+            :is-room-owner="isRoomOwner"
+            :self-is-ready="myReadyState"
+            :ready-toggle-pending="readyTogglePending"
+            :start-next-round-pending="startNextRoundPending"
+            :leave-room-pending="leaveRoomPending"
             :settlement-countdown="settlementCountdown"
-            @next-round="nextRound"
+            @ready="toggleReadyState"
+            @start-next-round="nextRound"
+            @exit="backHall"
             @back-hall="backHall"
           />
 

src/views/chengdu/composables/useChengduTableView.ts

@@ -230,6 +230,7 @@ export function useChengduTableView(deps: TableViewDeps): TableViewResult {
         score: deps.gameStore.scores[player.playerId] ?? 0,
         isWinner: winnerSet.has(player.playerId),
         seatIndex: player.seatIndex,
+        isReady: Boolean(player.isReady),
       }))
       .sort((a, b) => b.score - a.score)
   })