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/frontend/src/pages/claim/ClaimPage.tsx

@@ -521,6 +521,7 @@ function createClaimSnapshot(
     hasRedeemResult,
     isRoleConfirmed,
     isFeifeiFlow,
+    isUidMatched,
   })
   const progressText = resolveProgressText({
     feifei,
@@ -613,6 +614,7 @@ function resolveCurrentStep(options: {
   hasRedeemResult: boolean
   isRoleConfirmed: boolean
   isFeifeiFlow: boolean
+  isUidMatched?: boolean
 }) {
   if (!options.hasExpectedUid) {
     return 1
@@ -620,6 +622,10 @@ function resolveCurrentStep(options: {
   if (options.hasRedeemResult) {
     return 4
   }
+  // UID 匹配后仍停留在绑定步，提供一键兑换；已 ROLE_CONFIRMED 走确认页
+  if (!options.isFeifeiFlow && options.isRoleConfirmed && !options.isUidMatched) {
+    return 3
+  }
   if (!options.isFeifeiFlow && options.isRoleConfirmed) {
     return 3
   }
@@ -857,10 +863,12 @@ function KuaishouCloudClaimSteps({
       refreshingRole={refreshingRole}
       confirmingRole={confirmingRole}
       rebindingRole={rebindingRole}
+      redeeming={redeeming}
       onOpenBindUrl={onOpenBindUrl}
       onRefreshRole={onRefreshRole}
       onRebindRole={onRebindRole}
       onConfirmRole={onConfirmRole}
+      onConfirmRedeem={onConfirmRedeem}
       uidInput={uidInput}
       submittingUid={submittingUid}
       onUidChange={onUidChange}
@@ -875,10 +883,12 @@ function ClaimBindingStep({
   refreshingRole,
   confirmingRole,
   rebindingRole,
+  redeeming,
   onOpenBindUrl,
   onRefreshRole,
   onRebindRole,
   onConfirmRole,
+  onConfirmRedeem,
   uidInput,
   submittingUid,
   onUidChange,
@@ -889,10 +899,12 @@ function ClaimBindingStep({
   refreshingRole: boolean
   confirmingRole: boolean
   rebindingRole: boolean
+  redeeming: boolean
   onOpenBindUrl: (useCurrentPage?: boolean) => void
   onRefreshRole: () => void
   onRebindRole: () => void
   onConfirmRole: () => void
+  onConfirmRedeem: () => void
   uidInput: string
   submittingUid: boolean
   onUidChange: (value: string) => void
@@ -962,25 +974,39 @@ function ClaimBindingStep({
           size="large"
           icon={<SwapOutlined />}
           loading={rebindingRole}
-          disabled={confirmingRole}
+          disabled={confirmingRole || redeeming}
           onClick={onRebindRole}
         >
           换绑角色
         </Button>
-        <Tooltip title={snapshot.confirmRoleDisabledReason || undefined}>
-          <span className="claim-action-tooltip-wrap">
-            <Button
-              type="primary"
-              size="large"
-              icon={<CheckCircleOutlined />}
-              loading={confirmingRole}
-              disabled={Boolean(snapshot.confirmRoleDisabledReason)}
-              onClick={onConfirmRole}
-            >
-              UID 已匹配，下一步
-            </Button>
-          </span>
-        </Tooltip>
+        {snapshot.isUidMatched ? (
+          <Button
+            type="primary"
+            size="large"
+            danger
+            icon={<CheckCircleOutlined />}
+            loading={redeeming}
+            disabled={rebindingRole}
+            onClick={onConfirmRedeem}
+          >
+            UID 已匹配，确认兑换
+          </Button>
+        ) : (
+          <Tooltip title={snapshot.confirmRoleDisabledReason || undefined}>
+            <span className="claim-action-tooltip-wrap">
+              <Button
+                type="primary"
+                size="large"
+                icon={<CheckCircleOutlined />}
+                loading={confirmingRole}
+                disabled={Boolean(snapshot.confirmRoleDisabledReason)}
+                onClick={onConfirmRole}
+              >
+                刷新后重试匹配
+              </Button>
+            </span>
+          </Tooltip>
+        )}
       </Space>
 
       <div className="claim-meta-footer">