fix: promotion模板缺少</template>闭合标签

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

cfc-frontend/pages/promotion/index.vue

@@ -203,6 +203,7 @@
 
   <SharePoster :show="showPoster" :referralCode="shareReferralCode" :qrCodeBase64="inviteQrCode" :nickname="shareNickname" :userAvatar="shareAvatar" :familyName="familyName" @close="closePoster" />
 </view>
+</template>
 
 <script>
 import { getReferralSummary, getCommissionSummary, getFamilyEarningsSummary, getFamilyEarningsMembers, getFamilyEarningsRecords, distributeToMember, toggleMemberBalance, withdrawFamilyEarnings, getInviteQrCode, getFamilyMembers, getReferralCode } from '../../utils/api.js'