feat(game): 添加玩家头像显示功能

- 在环境配置中更新代理目标地址
- 扩展游戏动作类型定义以支持头像URL字段
- 添加头像URL缓存计算逻辑以从多种来源获取头像
- 修改座位玩家卡片数据模型将avatar替换为avatarUrl
- 实现头像图片加载并添加默认头像回退机制
- 更新CSS样式以正确显示头像图片
- 重构游戏状态管理中的玩家头像数据处理
- 优化游戏页面中的头像分配逻辑

src/store/gameStore.ts

@@ -133,6 +133,7 @@ export const useGameStore = defineStore('game', {
                     typeof seatRaw === 'number' && Number.isFinite(seatRaw) ? seatRaw : index
                 const readyRaw = raw.Ready ?? raw.ready
                 const displayNameRaw = raw.PlayerName ?? raw.player_name
+                const avatarUrlRaw = raw.AvatarUrl ?? raw.avatar_url
                 const missingSuitRaw = raw.MissingSuit ?? raw.missing_suit
 
                 nextPlayers[playerId] = {
@@ -142,6 +143,10 @@ export const useGameStore = defineStore('game', {
                         typeof displayNameRaw === 'string' && displayNameRaw
                             ? displayNameRaw
                             : previous?.displayName,
+                    avatarURL:
+                        typeof avatarUrlRaw === 'string'
+                            ? avatarUrlRaw
+                            : previous?.avatarURL,
                     missingSuit:
                         typeof missingSuitRaw === 'string' || missingSuitRaw === null
                             ? missingSuitRaw
@@ -167,6 +172,7 @@ export const useGameStore = defineStore('game', {
                         playerId,
                         seatIndex: previous?.seatIndex ?? index,
                         displayName: previous?.displayName ?? playerId,
+                        avatarURL: previous?.avatarURL,
                         missingSuit: previous?.missingSuit,
                         handTiles: previous?.handTiles ?? [],
                         melds: previous?.melds ?? [],