fix(voucher): 替换幸运币纯净无水印透明底素材并统一区服渠道中文转换

- 将幸运币 2/30/90 个 webp 素材替换为纯净 RGBA 透明金币立绘，消除白底多边形及「幸运币礼包（小）」文字水印
- 增加 formatGameChannelLabel 转换函数：将腾讯/DLC area-plat 协议代号（如 1-1）统一转换为用户友好的「安卓-微信」
- 领取页第 2/3/4 步与凭据大图全局统一应用区服中文转换

apps/frontend/src/pages/claim/ClaimAffiliateDashSteps.tsx

@@ -11,7 +11,11 @@ import { useEffect, useState } from 'react'
 import { formatAdminDateTime } from '@/utils/admin-time'
 import { showSuccess } from '@/lib/feedback'
 import type { ClaimAffiliateDashFlowInfo } from '@/types/claim'
-import { generateVoucherDataURL, copyVoucherDataUrlToClipboard } from '@/utils/voucher'
+import {
+  generateVoucherDataURL,
+  copyVoucherDataUrlToClipboard,
+  formatGameChannelLabel,
+} from '@/utils/voucher'
 import { normalizeUid } from './claim-snapshot'
 import type { ClaimSnapshot } from './claim-snapshot'
 import { ClaimProductItems, InfoTile, UidEditRow } from './claim-shared'
@@ -168,7 +172,7 @@ export function AffiliateDashClaimPanel({
           description={
             [
               roleName ? `游戏角色：${roleName}` : '',
-              gameChannel ? `渠道：${gameChannel}` : '',
+              gameChannel ? `渠道：${formatGameChannelLabel(gameChannel)}` : '',
               skipScanAuthorized ? '该账号此前已授权，本次免扫码' : '',
             ]
               .filter(Boolean)
@@ -351,7 +355,7 @@ export function AffiliateDashResultStep({ snapshot }: { snapshot: ClaimSnapshot
         <InfoTile label="领取商品" value={snapshot.product?.title || '-'} />
         <InfoTile label="绑定账号" value={boundAccount || '-'} />
         <InfoTile label="游戏角色" value={roleName || '-'} />
-        <InfoTile label="游戏渠道" value={gameChannel || '-'} />
+        <InfoTile label="游戏渠道" value={formatGameChannelLabel(gameChannel) || '-'} />
         <InfoTile label="结果时间" value={redeemedAt} />
       </div>