统一领取流：Step1 填 UID，按平台分叉履约

领取页改为统一 UID 入口；lewan 强制角色 ID 匹配后才发货核销，feifei 将 uid 拼入 H5 并去掉 claim 短链，对外仍返回本站 claimUrl。

apps/backend/src/services/fulfillment/kuaishou-feifei/index.test.ts

@@ -4,6 +4,7 @@ import assert from 'node:assert/strict'
 import {
   buildFeifeiPlatformOrderNo,
   resolveKuaishouFeifeiClaimUrl,
+  resolveKuaishouFeifeiH5UrlWithUid,
   resolveKuaishouFeifeiPlatformAmount,
 } from './index.js'
 import type { TaskRow } from '../../../types/repository/rows.js'
@@ -31,7 +32,7 @@ test('resolveKuaishouFeifeiClaimUrl does not expose local claim token fallback',
   )
 })
 
-test('resolveKuaishouFeifeiClaimUrl prefers internal short link', () => {
+test('resolveKuaishouFeifeiClaimUrl prefers direct h5 over historical short link url', () => {
   assert.equal(
     resolveKuaishouFeifeiClaimUrl({
       shortLink: {
@@ -43,10 +44,24 @@ test('resolveKuaishouFeifeiClaimUrl prefers internal short link', () => {
         rechargeUrl: 'https://feifei.example.com/h5/bind?code=very-long',
       },
     }),
-    'https://ks.khhao.com/s/AbCd1234',
+    'https://feifei.example.com/h5/bind?code=very-long',
   )
 })
 
+test('resolveKuaishouFeifeiH5UrlWithUid appends uid query', () => {
+  const next = resolveKuaishouFeifeiH5UrlWithUid(
+    {
+      h5: {
+        rechargeUrl: 'http://skin-exchange.yiquyou.icu/h5/bind?code=eyJpdi&product_name=demo',
+      },
+    },
+    '166909256',
+  )
+  const url = new URL(next)
+  assert.equal(url.searchParams.get('uid'), '166909256')
+  assert.equal(url.searchParams.get('code'), 'eyJpdi')
+})
+
 test('buildFeifeiPlatformOrderNo prefers source order number', () => {
   assert.equal(
     buildFeifeiPlatformOrderNo(createTask({