diff --git a/apps/backend/src/services/platforms/kuaishou-eticket/consume-service.js b/apps/backend/src/services/platforms/kuaishou-eticket/consume-service.ts
similarity index 81%
rename from apps/backend/src/services/platforms/kuaishou-eticket/consume-service.js
rename to apps/backend/src/services/platforms/kuaishou-eticket/consume-service.ts
index 6703d81d..006d7732 100644
--- a/apps/backend/src/services/platforms/kuaishou-eticket/consume-service.js
+++ b/apps/backend/src/services/platforms/kuaishou-eticket/consume-service.ts
@@ -1,10 +1,23 @@
-// @ts-check
-
 import { createHttpError } from '../../../utils/http.js'
 import { kuaishouEticketRequest } from './http-client.js'
 import { resolveKuaishouEticketConfig } from './shared.js'
 
-export async function queryKuaishouEticketConsumeDetail(payload = {}) {
+type JsonObject = Record<string, any>
+
+type KuaishouEticketDetailPayload = {
+  eTicketId: string
+  oid: string
+  formToken: string
+  leftCount: number
+  [key: string]: unknown
+}
+
+type KuaishouEticketDetailResult = {
+  detail: KuaishouEticketDetailPayload | null
+  [key: string]: any
+}
+
+export async function queryKuaishouEticketConsumeDetail(payload: JsonObject = {}) {
   const context = resolveKuaishouEticketActionContext(payload)
   const response = await kuaishouEticketRequest(context.detailPath, {
     baseUrl: context.baseUrl,
@@ -21,7 +34,7 @@ export async function queryKuaishouEticketConsumeDetail(payload = {}) {
   })
 }
 
-export async function consumeKuaishouEticket(payload = {}) {
+export async function consumeKuaishouEticket(payload: JsonObject = {}) {
   const context = resolveKuaishouEticketActionContext(payload)
   const detailResult = shouldResolveConsumeDetail(payload)
     ? await queryKuaishouEticketConsumeDetail({
@@ -51,7 +64,7 @@ export async function consumeKuaishouEticket(payload = {}) {
   })
 }
 
-export function mapKuaishouEticketDetailResult(payload = {}, context = {}) {
+export function mapKuaishouEticketDetailResult(payload: JsonObject = {}, context: JsonObject = {}) {
   const normalized = normalizeKuaishouEticketApiResult(payload)
   const detail = mapKuaishouEticketDetailPayload(payload?.data?.eTicket)
   const goods = mapKuaishouEticketGoodsPayload(payload?.data?.goods)
@@ -71,7 +84,7 @@ export function mapKuaishouEticketDetailResult(payload = {}, context = {}) {
   }
 }
 
-export function mapKuaishouEticketConsumeResult(payload = {}, context = {}) {
+export function mapKuaishouEticketConsumeResult(payload: JsonObject = {}, context: JsonObject = {}) {
   const normalized = normalizeKuaishouEticketApiResult(payload)
 
   return {
@@ -93,7 +106,10 @@ export function mapKuaishouEticketConsumeResult(payload = {}, context = {}) {
   }
 }
 
-export function resolveKuaishouEticketConsumePayload(payload = {}, detailResult = null) {
+export function resolveKuaishouEticketConsumePayload(
+  payload: JsonObject = {},
+  detailResult: KuaishouEticketDetailResult | null = null,
+) {
   const detail = detailResult?.detail || null
   const eTicketId = pickFirstNonEmpty([payload.eTicketId, detail?.eTicketId])
   const oid = pickFirstNonEmpty([payload.oid, detail?.oid])
@@ -131,7 +147,7 @@ export function resolveKuaishouEticketConsumePayload(payload = {}, detailResult
   }
 }
 
-export function normalizeKuaishouEticketApiResult(payload = {}) {
+export function normalizeKuaishouEticketApiResult(payload: JsonObject = {}) {
   const result = Number(payload?.result || 0)
 
   return {
@@ -143,7 +159,7 @@ export function normalizeKuaishouEticketApiResult(payload = {}) {
   }
 }
 
-export function mapKuaishouEticketDetailPayload(value = {}) {
+export function mapKuaishouEticketDetailPayload(value: unknown): KuaishouEticketDetailPayload | null {
   if (!isPlainObject(value)) {
     return null
   }
@@ -164,7 +180,7 @@ export function mapKuaishouEticketDetailPayload(value = {}) {
   }
 }
 
-export function mapKuaishouEticketGoodsPayload(value = {}) {
+export function mapKuaishouEticketGoodsPayload(value: unknown) {
   if (!isPlainObject(value)) {
     return null
   }
@@ -179,7 +195,7 @@ export function mapKuaishouEticketGoodsPayload(value = {}) {
   }
 }
 
-function resolveKuaishouEticketActionContext(payload = {}) {
+function resolveKuaishouEticketActionContext(payload: JsonObject = {}) {
   const config = resolveKuaishouEticketConfig(payload)
   const eTicketId = String(payload.eTicketId || '').trim()
 
@@ -203,11 +219,11 @@ function resolveKuaishouEticketActionContext(payload = {}) {
   }
 }
 
-function shouldResolveConsumeDetail(payload = {}) {
+function shouldResolveConsumeDetail(payload: JsonObject = {}): boolean {
   return !String(payload.oid || '').trim() || !String(payload.formToken || '').trim()
 }
 
-function pickFirstNonEmpty(values) {
+function pickFirstNonEmpty(values: unknown[]): string {
   for (const value of values) {
     const normalized = String(value || '').trim()
     if (normalized) {
@@ -218,16 +234,16 @@ function pickFirstNonEmpty(values) {
   return ''
 }
 
-function normalizePositiveInteger(value, fallback) {
+function normalizePositiveInteger(value: unknown, fallback: number): number {
   const parsed = Number(value)
   return Number.isInteger(parsed) && parsed > 0 ? parsed : fallback
 }
 
-function normalizeInteger(value, fallback) {
+function normalizeInteger(value: unknown, fallback: number): number {
   const parsed = Number(value)
   return Number.isInteger(parsed) ? parsed : fallback
 }
 
-function isPlainObject(value) {
+function isPlainObject(value: unknown): value is JsonObject {
   return Object.prototype.toString.call(value) === '[object Object]'
 }
diff --git a/apps/backend/src/services/platforms/kuaishou-eticket/http-client.js b/apps/backend/src/services/platforms/kuaishou-eticket/http-client.ts
similarity index 79%
rename from apps/backend/src/services/platforms/kuaishou-eticket/http-client.js
rename to apps/backend/src/services/platforms/kuaishou-eticket/http-client.ts
index ec11ebae..f9e7fe0e 100644
--- a/apps/backend/src/services/platforms/kuaishou-eticket/http-client.js
+++ b/apps/backend/src/services/platforms/kuaishou-eticket/http-client.ts
@@ -1,14 +1,35 @@
-// @ts-check
-
 import http from 'node:http'
 import https from 'node:https'
+import type { IncomingHttpHeaders } from 'node:http'
 
 import { parseJsonObject } from '../../../utils/json.js'
 import { createHttpError } from '../../../utils/http.js'
 import { logInfo } from '../../../utils/logger.js'
 import { buildKuaishouEticketHeaders, buildKuaishouEticketUrl, resolveKuaishouEticketConfig } from './shared.js'
 
-export async function kuaishouEticketRequest(pathname, options = {}) {
+type JsonObject = Record<string, any>
+
+type KuaishouEticketRequestOptions = JsonObject & {
+  method?: string
+  body?: unknown
+  headers?: Record<string, unknown>
+  timeoutMs?: number | string
+  cookie?: string
+  contentType?: string | null
+}
+
+type HeaderAdapter = {
+  get(name: string): string | null
+}
+
+type NodeHttpResponse = {
+  ok: boolean
+  status: number
+  headers: HeaderAdapter
+  bodyText: string
+}
+
+export async function kuaishouEticketRequest(pathname: string, options: KuaishouEticketRequestOptions = {}) {
   const config = resolveKuaishouEticketConfig(options)
   const url = buildKuaishouEticketUrl(config.baseUrl, pathname)
   const timeoutMs = Number(options.timeoutMs || config.timeoutMs || 8000)
@@ -69,7 +90,7 @@ export async function kuaishouEticketRequest(pathname, options = {}) {
   }
 }
 
-function inferContentType(body) {
+function inferContentType(body: unknown): string {
   if (body == null) {
     return ''
   }
@@ -81,7 +102,7 @@ function inferContentType(body) {
   return 'application/json'
 }
 
-function normalizeRequestBody(body, contentType) {
+function normalizeRequestBody(body: unknown, contentType: unknown): string | undefined {
   if (body == null) {
     return undefined
   }
@@ -97,7 +118,15 @@ function normalizeRequestBody(body, contentType) {
   return String(body)
 }
 
-async function requestViaNodeHttp(url, { method, headers, body, signal }) {
+async function requestViaNodeHttp(
+  url: URL,
+  { method, headers, body, signal }: {
+    method: string
+    headers: Record<string, string>
+    body?: string
+    signal: AbortSignal
+  },
+): Promise<NodeHttpResponse> {
   const isHttps = url.protocol === 'https:'
   const transport = isHttps ? https : http
 
@@ -107,7 +136,7 @@ async function requestViaNodeHttp(url, { method, headers, body, signal }) {
       headers,
       rejectUnauthorized: false,
     }, (response) => {
-      const chunks = []
+      const chunks: Buffer[] = []
 
       response.on('data', (chunk) => {
         chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk))
@@ -148,8 +177,8 @@ async function requestViaNodeHttp(url, { method, headers, body, signal }) {
   })
 }
 
-function createHeaderAdapter(headers) {
-  const normalized = new Map()
+function createHeaderAdapter(headers: IncomingHttpHeaders): HeaderAdapter {
+  const normalized = new Map<string, string>()
 
   for (const [key, value] of Object.entries(headers || {})) {
     if (Array.isArray(value)) {
@@ -163,7 +192,7 @@ function createHeaderAdapter(headers) {
   }
 
   return {
-    get(name) {
+    get(name: string) {
       return normalized.get(String(name || '').toLowerCase()) || null
     },
   }
diff --git a/apps/backend/src/services/platforms/kuaishou-eticket/info-service.js b/apps/backend/src/services/platforms/kuaishou-eticket/info-service.ts
similarity index 83%
rename from apps/backend/src/services/platforms/kuaishou-eticket/info-service.js
rename to apps/backend/src/services/platforms/kuaishou-eticket/info-service.ts
index 496247cf..f180f44a 100644
--- a/apps/backend/src/services/platforms/kuaishou-eticket/info-service.js
+++ b/apps/backend/src/services/platforms/kuaishou-eticket/info-service.ts
@@ -1,10 +1,10 @@
-// @ts-check
-
 import { createHttpError } from '../../../utils/http.js'
 import { kuaishouEticketRequest } from './http-client.js'
 import { resolveKuaishouEticketConfig } from './shared.js'
 
-export async function queryKuaishouEticketStableInfo(payload = {}) {
+type JsonObject = Record<string, any>
+
+export async function queryKuaishouEticketStableInfo(payload: JsonObject = {}) {
   const config = resolveKuaishouEticketConfig(payload)
   const cookie = String(payload.cookie || config.cookie || '').trim()
 
@@ -29,7 +29,7 @@ export async function queryKuaishouEticketStableInfo(payload = {}) {
   })
 }
 
-export function mapKuaishouEticketStableInfoResult(payload = {}, context = {}) {
+export function mapKuaishouEticketStableInfoResult(payload: JsonObject = {}, context: JsonObject = {}) {
   const result = Number(payload?.result || 0)
   const userInfo = isPlainObject(payload?.data?.userInfo) ? payload.data.userInfo : {}
   const bizStatus = isPlainObject(payload?.data?.bizStatus) ? payload.data.bizStatus : {}
@@ -51,11 +51,11 @@ export function mapKuaishouEticketStableInfoResult(payload = {}, context = {}) {
   }
 }
 
-function normalizeInteger(value, fallback) {
+function normalizeInteger(value: unknown, fallback: number): number {
   const parsed = Number(value)
   return Number.isInteger(parsed) ? parsed : fallback
 }
 
-function isPlainObject(value) {
+function isPlainObject(value: unknown): value is JsonObject {
   return Object.prototype.toString.call(value) === '[object Object]'
 }
diff --git a/apps/backend/src/services/platforms/kuaishou-eticket/shared.js b/apps/backend/src/services/platforms/kuaishou-eticket/shared.ts
similarity index 68%
rename from apps/backend/src/services/platforms/kuaishou-eticket/shared.js
rename to apps/backend/src/services/platforms/kuaishou-eticket/shared.ts
index 51552c4b..e966bcb3 100644
--- a/apps/backend/src/services/platforms/kuaishou-eticket/shared.js
+++ b/apps/backend/src/services/platforms/kuaishou-eticket/shared.ts
@@ -1,10 +1,41 @@
-// @ts-check
-
 const DEFAULT_BASE_URL = 'https://s.kwaixiaodian.com'
 const DEFAULT_REFERER_PATH = '/zone/industry/voucher/verify-list'
 const DEFAULT_USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36'
 
-export function resolveKuaishouEticketConfig(overrides = {}) {
+export type KuaishouEticketConfigInput = {
+  enabled?: boolean
+  baseUrl?: string
+  cookie?: string
+  timeoutMs?: number | string
+  infoPath?: string
+  detailPath?: string
+  consumePath?: string
+  refererPath?: string
+  userAgent?: string
+}
+
+export type KuaishouEticketConfig = {
+  enabled: boolean
+  baseUrl: string
+  cookie: string
+  timeoutMs: number
+  infoPath: string
+  detailPath: string
+  consumePath: string
+  refererPath: string
+  userAgent: string
+}
+
+type HeaderInput = {
+  baseUrl?: string
+  refererPath?: string
+  userAgent?: string
+  cookie?: string
+  contentType?: string
+  extra?: Record<string, unknown>
+}
+
+export function resolveKuaishouEticketConfig(overrides: KuaishouEticketConfigInput = {}): KuaishouEticketConfig {
   return {
     enabled: overrides.enabled !== false,
     baseUrl: normalizeBaseUrl(overrides.baseUrl || DEFAULT_BASE_URL) || DEFAULT_BASE_URL,
@@ -18,7 +49,7 @@ export function resolveKuaishouEticketConfig(overrides = {}) {
   }
 }
 
-export function buildKuaishouEticketUrl(baseUrl, pathname) {
+export function buildKuaishouEticketUrl(baseUrl: unknown, pathname: unknown): URL {
   return new URL(normalizePath(pathname, '/'), normalizeBaseUrl(baseUrl) || DEFAULT_BASE_URL)
 }
 
@@ -29,7 +60,7 @@ export function buildKuaishouEticketHeaders({
   cookie = '',
   contentType = 'application/json',
   extra = {},
-} = {}) {
+}: HeaderInput = {}): Record<string, string> {
   return {
     accept: 'application/json',
     'accept-language': 'zh-CN,zh;q=0.9',
@@ -44,11 +75,11 @@ export function buildKuaishouEticketHeaders({
   }
 }
 
-function normalizeBaseUrl(value) {
+function normalizeBaseUrl(value: unknown): string {
   return String(value || '').trim().replace(/\/+$/, '')
 }
 
-function normalizePath(value, fallback) {
+function normalizePath(value: unknown, fallback: string): string {
   const normalized = String(value || '').trim()
   if (!normalized) {
     return fallback
@@ -57,12 +88,12 @@ function normalizePath(value, fallback) {
   return normalized.startsWith('/') ? normalized : `/${normalized}`
 }
 
-function normalizePositiveInteger(value, fallback) {
+function normalizePositiveInteger(value: unknown, fallback: number): number {
   const parsed = Number(value)
   return Number.isInteger(parsed) && parsed > 0 ? parsed : fallback
 }
 
-function normalizeHeaderMap(extra) {
+function normalizeHeaderMap(extra: unknown): Record<string, string> {
   if (!extra || typeof extra !== 'object') {
     return {}
   }
diff --git a/apps/backend/src/services/platforms/kuaishou-eticket/source-config-service.js b/apps/backend/src/services/platforms/kuaishou-eticket/source-config-service.ts
similarity index 63%
rename from apps/backend/src/services/platforms/kuaishou-eticket/source-config-service.js
rename to apps/backend/src/services/platforms/kuaishou-eticket/source-config-service.ts
index 9d20270b..01664c51 100644
--- a/apps/backend/src/services/platforms/kuaishou-eticket/source-config-service.js
+++ b/apps/backend/src/services/platforms/kuaishou-eticket/source-config-service.ts
@@ -1,5 +1,3 @@
-// @ts-check
-
 import fs from 'node:fs'
 import path from 'node:path'
 
@@ -8,26 +6,42 @@ import { PROJECT_ROOT } from '../../../config/runtime.js'
 const KUAISHOU_ETICKET_SOURCE_FILE_PATH = path.join(PROJECT_ROOT, 'data', 'kuaishou-eticket-source.json')
 const DEFAULT_BASE_URL = 'https://s.kwaixiaodian.com'
 
-export function getKuaishouEticketSourceFilePath() {
+type JsonObject = Record<string, any>
+
+export type KuaishouEticketShopConfig = {
+  shopId: string
+  kshopName: string
+  cookie: string
+  userAvatar: string
+  enabled: boolean
+}
+
+export type KuaishouEticketSourceConfig = {
+  enabled: boolean
+  baseUrl: string
+  shops: KuaishouEticketShopConfig[]
+}
+
+export function getKuaishouEticketSourceFilePath(): string {
   return KUAISHOU_ETICKET_SOURCE_FILE_PATH
 }
 
-export function getKuaishouEticketSourceConfig() {
+export function getKuaishouEticketSourceConfig(): KuaishouEticketSourceConfig {
   return loadKuaishouEticketSourceConfigFromFile()
 }
 
-export function saveKuaishouEticketSourceConfig(rawValue) {
+export function saveKuaishouEticketSourceConfig(rawValue: unknown): KuaishouEticketSourceConfig {
   const normalized = normalizeKuaishouEticketSourceConfig(rawValue)
   fs.mkdirSync(path.dirname(KUAISHOU_ETICKET_SOURCE_FILE_PATH), { recursive: true })
   fs.writeFileSync(KUAISHOU_ETICKET_SOURCE_FILE_PATH, `${JSON.stringify(normalized, null, 2)}\n`, 'utf8')
   return normalized
 }
 
-export function listKuaishouEticketShopConfigs(source = getKuaishouEticketSourceConfig()) {
+export function listKuaishouEticketShopConfigs(source: KuaishouEticketSourceConfig = getKuaishouEticketSourceConfig()): KuaishouEticketShopConfig[] {
   return Array.isArray(source?.shops) ? source.shops : []
 }
 
-export function findKuaishouEticketShopConfig(shopId, source = getKuaishouEticketSourceConfig()) {
+export function findKuaishouEticketShopConfig(shopId: unknown, source: KuaishouEticketSourceConfig = getKuaishouEticketSourceConfig()): KuaishouEticketShopConfig | null {
   const normalizedShopId = String(shopId || '').trim()
   if (!normalizedShopId) {
     return null
@@ -36,7 +50,7 @@ export function findKuaishouEticketShopConfig(shopId, source = getKuaishouEticke
   return listKuaishouEticketShopConfigs(source).find((item) => String(item.shopId || '').trim() === normalizedShopId) || null
 }
 
-export function findKuaishouEticketShopConfigByName(kshopName, source = getKuaishouEticketSourceConfig()) {
+export function findKuaishouEticketShopConfigByName(kshopName: unknown, source: KuaishouEticketSourceConfig = getKuaishouEticketSourceConfig()): KuaishouEticketShopConfig | null {
   const normalizedName = String(kshopName || '').trim()
   if (!normalizedName) {
     return null
@@ -46,9 +60,9 @@ export function findKuaishouEticketShopConfigByName(kshopName, source = getKuais
 }
 
 export function resolveKuaishouEticketShopConfig(
-  { shopId = '', kshopName = '', shopName = '' } = {},
-  source = getKuaishouEticketSourceConfig(),
-) {
+  { shopId = '', kshopName = '', shopName = '' }: { shopId?: unknown, kshopName?: unknown, shopName?: unknown } = {},
+  source: KuaishouEticketSourceConfig = getKuaishouEticketSourceConfig(),
+): KuaishouEticketShopConfig | null {
   const byId = findKuaishouEticketShopConfig(shopId, source)
   if (byId) {
     return byId
@@ -62,11 +76,11 @@ export function resolveKuaishouEticketShopConfig(
   return findKuaishouEticketShopConfigByName(normalizedName, source)
 }
 
-export function getFirstAvailableKuaishouEticketShop(source = getKuaishouEticketSourceConfig()) {
+export function getFirstAvailableKuaishouEticketShop(source: KuaishouEticketSourceConfig = getKuaishouEticketSourceConfig()): KuaishouEticketShopConfig | null {
   return listKuaishouEticketShopConfigs(source).find((item) => item.enabled !== false && String(item.cookie || '').trim()) || null
 }
 
-function loadKuaishouEticketSourceConfigFromFile() {
+function loadKuaishouEticketSourceConfigFromFile(): KuaishouEticketSourceConfig {
   if (!fs.existsSync(KUAISHOU_ETICKET_SOURCE_FILE_PATH)) {
     return createDefaultKuaishouEticketSourceConfig()
   }
@@ -79,7 +93,7 @@ function loadKuaishouEticketSourceConfigFromFile() {
   }
 }
 
-function normalizeKuaishouEticketSourceConfig(rawValue) {
+function normalizeKuaishouEticketSourceConfig(rawValue: unknown): KuaishouEticketSourceConfig {
   const source = isPlainObject(rawValue) ? rawValue : {}
   const shops = Array.isArray(source.shops)
     ? source.shops
@@ -94,7 +108,7 @@ function normalizeKuaishouEticketSourceConfig(rawValue) {
   }
 }
 
-function normalizeKuaishouEticketShopConfig(rawValue) {
+function normalizeKuaishouEticketShopConfig(rawValue: unknown): KuaishouEticketShopConfig | null {
   if (!isPlainObject(rawValue)) {
     return null
   }
@@ -118,7 +132,7 @@ function normalizeKuaishouEticketShopConfig(rawValue) {
   }
 }
 
-function buildLegacySingleShopList(source) {
+function buildLegacySingleShopList(source: JsonObject): JsonObject[] {
   const cookie = String(source.cookie || '').trim()
   if (!cookie) {
     return []
@@ -135,7 +149,7 @@ function buildLegacySingleShopList(source) {
   ]
 }
 
-function createDefaultKuaishouEticketSourceConfig() {
+function createDefaultKuaishouEticketSourceConfig(): KuaishouEticketSourceConfig {
   return {
     enabled: true,
     baseUrl: DEFAULT_BASE_URL,
@@ -143,6 +157,6 @@ function createDefaultKuaishouEticketSourceConfig() {
   }
 }
 
-function isPlainObject(value) {
+function isPlainObject(value: unknown): value is JsonObject {
   return Object.prototype.toString.call(value) === '[object Object]'
 }
diff --git a/docs/backend-typescript-migration-plan.md b/docs/backend-typescript-migration-plan.md
index 4ed247b0..8070edc4 100644
--- a/docs/backend-typescript-migration-plan.md
+++ b/docs/backend-typescript-migration-plan.md
@@ -795,6 +795,19 @@
     - `npm run build`
     - `npm test` 共 139 个用例通过
 204. `src/services/admin` 目录下非测试 `.js` 服务文件已全部迁移为 `.ts`
+205. 快手电子券平台服务迁移到 `.ts`：
+    - `src/services/platforms/kuaishou-eticket/shared.ts`
+    - `src/services/platforms/kuaishou-eticket/http-client.ts`
+    - `src/services/platforms/kuaishou-eticket/source-config-service.ts`
+    - `src/services/platforms/kuaishou-eticket/info-service.ts`
+    - `src/services/platforms/kuaishou-eticket/consume-service.ts`
+206. 快手小店核销配置、Node HTTP 请求、店铺来源配置读写、店铺稳定信息查询、电子券详情查询与核销 payload / result 映射已进入 TS 编译链路；config、headers、HTTP response、source/shop config、detail result 与动态 payload 补齐类型
+207. Docker 内验证通过：
+    - `src/services/platforms/kuaishou-eticket/*.test.js` 共 4 个用例通过
+    - `npm run typecheck`
+    - `npm run build`
+    - `npm test` 共 139 个用例通过
+208. `src/services` 目录下非测试 `.js` 服务文件已全部迁移为 `.ts`
 
 ## 下一步建议