继续收紧 TypeScript：ClaimIdentity 契约与 flow 出口类型

- 新增 types/claim-identity，统一 ClaimIdentity / Payload / AdminSummary
- 导出 KuaishouCloudFlow、KuaishouFeifeiFlow 作为 normalize 出口
- 生产路径 JsonObject 统一从 types/json 导入，去掉 rebind as any
- 前后端 claimIdentity 类型字段对齐

apps/backend/src/services/fulfillment/kuaishou-cloud/role-state.ts

@@ -6,9 +6,9 @@ import { getCloudtentaclesBindInfo } from '../../platforms/cloudtentacles/virtua
 import {
   hasKuaishouCloudDefaultRoleSnapshot,
   isSameKuaishouCloudRoleIdentity,
-  normalizeKuaishouCloudFlow,
   normalizeKuaishouCloudRoleInfo,
   type JsonObject,
+  type KuaishouCloudFlow,
 } from './domain.js'
 
 export type KuaishouCloudDefaultRoleSnapshot = {
@@ -79,7 +79,7 @@ export function buildRoleStateFromCurrentInfo({
   now,
   emptyMessage,
 }: {
-  flow: ReturnType<typeof normalizeKuaishouCloudFlow>
+  flow: KuaishouCloudFlow
   roleInfo: { name: string; rid: string; rawInfo?: unknown }
   now: string
   emptyMessage: string