收紧后端 TypeScript：统一 Json 类型与 TaskContext 契约

关闭 allowJs；集中 JsonObject 定义并替换分散 any 别名；parseTaskContext 返回 TaskContext；任务详情 API 标注 AdminTaskDetailView；测试减少 as any。

apps/backend/src/services/open-91/crypto.ts

@@ -1,11 +1,10 @@
 import crypto from 'node:crypto'
+import type { JsonObject } from '../../types/json.js'
 
 import { createHttpError } from '../../utils/http.js'
 import { assertOpen91Config } from './config.js'
 import { normalizeOpen91String } from './payload.js'
 
-type JsonObject = Record<string, any>
-
 export function buildOpen91SignSource(params: JsonObject = {}, { secret } = assertOpen91Config()) {
   const entries = Object.entries(params)
     .filter(([key]) => key !== 'sign')

apps/backend/src/services/open-91/order-query-service.ts

@@ -3,6 +3,7 @@ import { listKuaishouIndustryVouchersByOid } from '../../repositories/kuaishou-i
 import { listTasksByOrderId } from '../../repositories/task-repo.js'
 import { resolveTaskDeliveryLink } from '../fulfillment/delivery-link-service.js'
 import { logIntegration } from '../../utils/logger.js'
+import { asJsonObject, type  JsonObject  } from '../../types/json.js'
 import {
   OPEN_91_MANUAL_FAILED_STATUS,
   OPEN_91_PENDING_CONFIG_STATUS,
@@ -32,8 +33,6 @@ import {
 } from './response.js'
 import type { KuaishouIndustryVoucherRow, OrderRow, TaskRow } from '../../types/repository/rows.js'
 
-type JsonObject = Record<string, any>
-
 export async function queryOpen91Order(payload: JsonObject = {}, { requestId = '' } = {}) {
   const config = assertOpen91Config()
   const normalized = normalizeOpen91QueryPayload(payload)
@@ -245,7 +244,7 @@ function parseJsonObject(value: unknown): JsonObject {
 
   try {
     const parsed = JSON.parse(String(value || '{}'))
-    return parsed && typeof parsed === 'object' && !Array.isArray(parsed) ? parsed : {}
+    return asJsonObject(parsed)
   } catch {
     return {}
   }

apps/backend/src/services/open-91/payload.ts

@@ -1,7 +1,6 @@
 import { createHttpError } from '../../utils/http.js'
 import { assertOpen91Config } from './config.js'
-
-type JsonObject = Record<string, any>
+import type { JsonObject } from '../../types/json.js'
 
 export function normalizeOpen91String(value: unknown) {
   return String(value || '').trim()

apps/backend/src/services/open-91/response.ts

@@ -1,3 +1,4 @@
+import type { JsonObject } from '../../types/json.js'
 import {
   OPEN_91_DEFAULT_FAIL_CODE,
   OPEN_91_SUCCESS_MESSAGE,
@@ -5,8 +6,6 @@ import {
 import { isOpen91FailedTaskStatus } from '../../domain/task-status.js'
 import { normalizeOpen91String } from './payload.js'
 
-type JsonObject = Record<string, any>
-
 export function buildOpen91SuccessResponse(data: unknown, message = OPEN_91_SUCCESS_MESSAGE) {
   return {
     code: 200,