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/platforms/kuaishou-feifei/http-client.ts

@@ -1,11 +1,10 @@
 import crypto from 'node:crypto'
+import { asJsonObject, type  JsonObject  } from '../../../types/json.js'
 
 import { createHttpError } from '../../../utils/http.js'
 import { createRequestId, logExternalHttpPacket } from '../../../utils/logger.js'
 import { assertKuaishouFeifeiConfig } from './config.js'
 
-type JsonObject = Record<string, any>
-
 export async function kuaishouFeifeiRequest(pathname: string, payload: JsonObject = {}) {
   const config = assertKuaishouFeifeiConfig()
   const body = JSON.stringify(payload)
@@ -189,7 +188,7 @@ export function isKuaishouFeifeiSuccessResponse(json: JsonObject) {
 function parseJsonObject(text: string): JsonObject {
   try {
     const parsed = JSON.parse(text || '{}')
-    return parsed && typeof parsed === 'object' && !Array.isArray(parsed) ? parsed : {}
+    return asJsonObject(parsed)
   } catch {
     return {}
   }

apps/backend/src/services/platforms/kuaishou-feifei/notify-service.ts

@@ -1,4 +1,5 @@
 import crypto from 'node:crypto'
+import type { JsonObject } from '../../../types/json.js'
 
 import { createTaskEvent } from '../../../repositories/task-event-repo.js'
 import { findKuaishouFeifeiTaskByOrder } from '../../../repositories/task-repo.js'
@@ -9,7 +10,6 @@ import { assertKuaishouFeifeiConfig } from './config.js'
 import { signKuaishouFeifeiPayload } from './http-client.js'
 import { mapKuaishouFeifeiOrder } from './order-service.js'
 
-type JsonObject = Record<string, any>
 type NotifyHeaders = Record<string, string | string[] | undefined>
 
 export async function handleKuaishouFeifeiNotify(input: {

apps/backend/src/services/platforms/kuaishou-feifei/order-service.ts

@@ -1,7 +1,6 @@
 import { getKuaishouFeifeiConfig } from './config.js'
 import { kuaishouFeifeiRequest } from './http-client.js'
-
-type JsonObject = Record<string, any>
+import type { JsonObject } from '../../../types/json.js'
 
 export type KuaishouFeifeiProductListResult = ReturnType<typeof mapKuaishouFeifeiProductList>
 

apps/backend/src/services/platforms/kuaishou-feifei/source-config-service.ts

@@ -1,4 +1,5 @@
 import path from 'node:path'
+import type { JsonObject } from '../../../types/json.js'
 
 import { APP_CONFIG_KEYS } from '../../../config/app-config-keys.js'
 import { PROJECT_ROOT } from '../../../config/runtime.js'
@@ -16,8 +17,6 @@ const KUAISHOU_FEIFEI_CONFIG_FILE_PATH = path.join(
   'kuaishou-feifei-config.json',
 )
 
-type JsonObject = Record<string, any>
-
 export type KuaishouFeifeiSourceConfig = {
   enabled: boolean
   baseUrl: string