fix(claim): 领取页展示游戏角色名，并说明乐玩免扫码场景

持久化 affiliate_dash roleName/gameChannel；免扫码授权时明确提示，有绑定链接时提交前仍可显示二维码。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/backend/src/services/fulfillment/affiliate-dash/index.ts

@@ -324,6 +324,8 @@ export type AffiliateDashFlow = {
   /** 是否已在 affiliate-dash 侧完成绑定（bind-result.bound） */
   bound: boolean
   boundAccount: string
+  /** 绑定角色昵称（乐玩/DLC 返回） */
+  roleName: string
   gameChannel: string
   submitStatus: string
   consumeStatus: string
@@ -337,6 +339,10 @@ export function normalizeAffiliateDashFlow(value: unknown): AffiliateDashFlow {
   const source =
     value && typeof value === 'object' && !Array.isArray(value) ? (value as JsonObject) : {}
 
+  const raw = source.raw && typeof source.raw === 'object' ? (source.raw as JsonObject) : null
+  const rawResult =
+    raw && raw.result && typeof raw.result === 'object' ? (raw.result as JsonObject) : null
+
   return {
     flowType: 'affiliate_dash',
     sku: String(source.sku || '').trim(),
@@ -358,11 +364,16 @@ export function normalizeAffiliateDashFlow(value: unknown): AffiliateDashFlow {
     bindMismatch: Boolean(source.bindMismatch),
     bound: Boolean(source.bound),
     boundAccount: String(source.boundAccount || '').trim(),
-    gameChannel: String(source.gameChannel || '').trim(),
+    roleName: String(
+      source.roleName || rawResult?.role_name || raw?.role_name || '',
+    ).trim(),
+    gameChannel: String(
+      source.gameChannel || rawResult?.game_channel || raw?.game_channel || '',
+    ).trim(),
     submitStatus: String(source.submitStatus || '').trim(),
     consumeStatus: String(source.consumeStatus || 'pending').trim(),
     lastSyncedAt: source.lastSyncedAt || null,
-    raw: source.raw && typeof source.raw === 'object' ? source.raw : null,
+    raw,
     mock:
       source.mock && typeof source.mock === 'object'
         ? {