优化 UID 履约闸门、运营可见性与一键兑换

lewan 发货强制 expectedUid 并取消无 UID 旧路径回落；任务详情展示 UID 匹配态；领取页匹配后可一键兑换；补充 identity 单测并收口短链说明。

apps/backend/src/services/claim/claim-identity.test.ts

@@ -3,7 +3,9 @@ import test from 'node:test'
 
 import {
   appendUidToUrl,
+  assertLewanAutoFulfillmentUidReady,
   assertValidClaimUid,
+  buildClaimIdentityAdminSummary,
   isClaimUidMatched,
   normalizeClaimUid,
 } from './claim-identity.js'
@@ -38,3 +40,61 @@ test('appendUidToUrl overwrites existing uid', () => {
   const next = appendUidToUrl('https://example.com/h5/bind?code=abc&uid=old', 'new-uid')
   assert.equal(new URL(next).searchParams.get('uid'), 'new-uid')
 })
+
+test('assertLewanAutoFulfillmentUidReady rejects legacy task without uid', () => {
+  assert.throws(
+    () =>
+      assertLewanAutoFulfillmentUidReady({
+        context_json: JSON.stringify({ kuaishouCloudFulfillment: {} }),
+      }),
+    /尚未填写游戏 UID/,
+  )
+})
+
+test('assertLewanAutoFulfillmentUidReady allows mock without uid', () => {
+  assert.equal(
+    assertLewanAutoFulfillmentUidReady({
+      context_json: JSON.stringify({
+        kuaishouCloudFulfillment: { mock: { enabled: true } },
+      }),
+    }),
+    '',
+  )
+})
+
+test('assertLewanAutoFulfillmentUidReady accepts submitted uid', () => {
+  assert.equal(
+    assertLewanAutoFulfillmentUidReady({
+      context_json: JSON.stringify({
+        claimIdentity: { expectedUid: '10001', submittedAt: '2026-07-10T00:00:00.000Z' },
+        kuaishouCloudFulfillment: {},
+      }),
+    }),
+    '10001',
+  )
+})
+
+test('buildClaimIdentityAdminSummary reports match state', () => {
+  const summary = buildClaimIdentityAdminSummary(
+    {
+      claimIdentity: { expectedUid: '10001', submittedAt: 't', source: 'claim_page' },
+    },
+    {
+      flowLike: {
+        binding: { roleId: '10001', roleName: '测试角色' },
+        role: { rid: '10001', name: '测试角色' },
+      },
+    },
+  )
+  assert.equal(summary.ready, true)
+  assert.equal(summary.uidMatched, true)
+  assert.equal(summary.compatibilityMode, 'uid')
+  assert.equal(summary.boundUid, '10001')
+})
+
+test('buildClaimIdentityAdminSummary marks legacy without uid', () => {
+  const summary = buildClaimIdentityAdminSummary({}, { flowLike: { binding: {} } })
+  assert.equal(summary.ready, false)
+  assert.equal(summary.compatibilityMode, 'legacy_no_uid')
+  assert.equal(summary.uidMatched, null)
+})