feat(game): 实现麻将手牌按花色分组显示功能

- 添加 HandSuitLabel 类型定义区分万筒条三种花色
- 创建手牌花色排序映射和标签映射配置
- 实现 visibleHandTileGroups 计算属性按花色对手牌进行分组
- 新增 player-hand-group 样式类支持分组布局
- 调整 tile-chip 尺寸适配新的分组显示方式
- 修改底部控制面板位置避免遮挡手牌区域

src/assets/styles/room.css

@@ -807,7 +807,7 @@
 .bottom-control-panel {
   position: absolute;
   left: 50%;
-  bottom: 8px;
+  bottom: 100px;
   transform: translateX(-50%);
   width: min(100% - 120px, 1180px);
   padding: 8px 14px 12px;
@@ -880,17 +880,24 @@
   display: flex;
   align-items: flex-end;
   justify-content: center;
-  gap: 4px;
+  gap: 12px;
   overflow-x: auto;
   padding-bottom: 2px;
 }
 
+.player-hand-group {
+  display: flex;
+  align-items: flex-end;
+  gap: 0;
+  flex-shrink: 0;
+}
+
 .tile-chip {
   display: flex;
   align-items: flex-end;
   justify-content: center;
-  min-width: 90px;
+  min-width: 74px;
-  height: 126px;
+  height: 104px;
   padding: 0;
   border: 0;
   background: transparent;
@@ -1083,8 +1090,8 @@
   }
 
   .tile-chip {
-    min-width: 70px;
+    min-width: 60px;
-    height: 102px;
+    height: 88px;
     font-size: 24px;
   }
 
@@ -1160,8 +1167,8 @@
   }
 
   .tile-chip {
-    min-width: 48px;
+    min-width: 42px;
-    height: 76px;
+    height: 64px;
     font-size: 16px;
   }
 

src/views/ChengduGamePage.vue

@@ -51,6 +51,7 @@ type DisplayPlayer = PlayerState & {
 }
 
 type GameActionPayload<TType extends GameAction['type']> = Extract<GameAction, { type: TType }>['payload']
+type HandSuitLabel = '万' | '筒' | '条'
 
 interface SeatViewModel {
   key: SeatKey
@@ -132,6 +133,51 @@ const myHandTiles = computed(() => {
   return myPlayer.value?.handTiles ?? []
 })
 
+const handSuitOrder: Record<Tile['suit'], number> = {
+  W: 0,
+  T: 1,
+  B: 2,
+}
+
+const handSuitLabelMap: Record<Tile['suit'], HandSuitLabel> = {
+  W: '万',
+  T: '筒',
+  B: '条',
+}
+
+const visibleHandTileGroups = computed(() => {
+  const grouped = new Map<HandSuitLabel, Tile[]>()
+
+  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 visibleHandTiles = computed(() => {
   if (gameStore.phase === 'waiting') {
     return []
@@ -1517,9 +1563,14 @@ onBeforeUnmount(() => {
               </button>
             </div>
             <div class="player-hand" v-if="visibleHandTiles.length > 0">
-
+              <div
+                  v-for="group in visibleHandTileGroups"
+                  :key="group.suit"
+                  class="player-hand-group"
+                  :data-suit="group.suit"
+              >
                 <button
-                  v-for="tile in visibleHandTiles"
+                    v-for="tile in group.tiles"
                     :key="tile.id"
                     class="tile-chip"
                     :class="{ selected: selectedTile === formatTile(tile) }"
@@ -1535,6 +1586,7 @@ onBeforeUnmount(() => {
               </div>
             </div>
           </div>
+        </div>
       </section>
 
       <aside class="ws-sidebar">