diff --git a/apps/backend/src/routes/admin/manual-redeem.js b/apps/backend/src/routes/admin/manual-redeem.ts
similarity index 74%
rename from apps/backend/src/routes/admin/manual-redeem.js
rename to apps/backend/src/routes/admin/manual-redeem.ts
index e9b50d80..dd4af358 100644
--- a/apps/backend/src/routes/admin/manual-redeem.js
+++ b/apps/backend/src/routes/admin/manual-redeem.ts
@@ -1,5 +1,3 @@
-// @ts-check
-
 import { Router } from 'express'
 
 import {
@@ -15,10 +13,28 @@ import {
 } from '../../services/admin/admin-manual-redeem-service.js'
 import { getAdminInventorySkuSuggestions } from '../../services/admin/admin-read-service.js'
 import { createJsonHandler, requireAdminRoles } from './shared.js'
+import type {
+  AdminInventorySkuSuggestionRouteQuery,
+  AdminManualRedeemCreateRouteBody,
+  AdminManualRedeemRouteParams,
+} from '../../types/admin-route-inputs.js'
 
-/** @typedef {import('../../types/admin-route-inputs.js').AdminInventorySkuSuggestionRouteQuery} AdminInventorySkuSuggestionRouteQuery */
-/** @typedef {import('../../types/admin-route-inputs.js').AdminManualRedeemCreateRouteBody} AdminManualRedeemCreateRouteBody */
-/** @typedef {import('../../types/admin-route-inputs.js').AdminManualRedeemRouteParams} AdminManualRedeemRouteParams */
+type AdminManualRedeemSessionRouteBody = {
+  loginType?: string
+  forceRecreate?: boolean
+}
+
+type AdminManualRedeemMutationResult = {
+  task?: {
+    taskId?: number
+    taskNo?: string
+    status?: string
+    deliveryStatus?: string
+  }
+  manualRequest?: { proofValue?: string }
+  order?: { platformOrderId?: string }
+  orderItem?: { skuCode?: string }
+}
 
 const router = Router()
 
@@ -26,7 +42,7 @@ router.use('/manual-redeem', requireAdminRoles(['admin', 'operator', 'support'])
 
 router.get('/manual-redeem/sku-suggestions', createJsonHandler(
   (req) => getAdminInventorySkuSuggestions(
-    /** @type {AdminInventorySkuSuggestionRouteQuery} */ (req.query),
+    req.query as AdminInventorySkuSuggestionRouteQuery,
     req.adminSession || null,
   ),
   {
@@ -38,7 +54,7 @@ router.get('/manual-redeem/sku-suggestions', createJsonHandler(
 
 router.post('/manual-redeem', createJsonHandler(
   (req) => createAdminManualRedeemTask(
-    /** @type {AdminManualRedeemCreateRouteBody} */ (req.body),
+    req.body as AdminManualRedeemCreateRouteBody,
     req.adminSession || null,
   ),
   {
@@ -46,7 +62,7 @@ router.post('/manual-redeem', createJsonHandler(
     errorMessage: '创建人工兑换任务失败',
     scope: '[admin/manual-redeem]',
     audit: (req, data) => {
-      const result = /** @type {{ task?: { taskId?: number, taskNo?: string }, manualRequest?: { proofValue?: string }, order?: { platformOrderId?: string }, orderItem?: { skuCode?: string } }} */ (data)
+      const result = data as AdminManualRedeemMutationResult
       return {
         action: 'manual_redeem_created',
         targetType: 'task',
@@ -64,7 +80,7 @@ router.post('/manual-redeem', createJsonHandler(
 
 router.get('/manual-redeem/:taskId', createJsonHandler(
   (req) => getAdminManualRedeemDetail(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
+    (req.params as AdminManualRedeemRouteParams).taskId,
     req.adminSession || null,
   ),
   {
@@ -76,8 +92,8 @@ router.get('/manual-redeem/:taskId', createJsonHandler(
 
 router.post('/manual-redeem/:taskId/session', createJsonHandler(
   (req) => createAdminManualRedeemSession(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
-    /** @type {{ loginType?: string, forceRecreate?: boolean }} */ (req.body),
+    (req.params as AdminManualRedeemRouteParams).taskId,
+    req.body as AdminManualRedeemSessionRouteBody,
     req.adminSession || null,
   ),
   {
@@ -89,7 +105,7 @@ router.post('/manual-redeem/:taskId/session', createJsonHandler(
 
 router.get('/manual-redeem/:taskId/session/summary', createJsonHandler(
   (req) => getAdminManualRedeemSessionSummary(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
+    (req.params as AdminManualRedeemRouteParams).taskId,
     req.adminSession || null,
   ),
   {
@@ -101,7 +117,7 @@ router.get('/manual-redeem/:taskId/session/summary', createJsonHandler(
 
 router.post('/manual-redeem/:taskId/session/refresh', createJsonHandler(
   (req) => reloadAdminManualRedeemSession(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
+    (req.params as AdminManualRedeemRouteParams).taskId,
     req.adminSession || null,
   ),
   {
@@ -113,7 +129,7 @@ router.post('/manual-redeem/:taskId/session/refresh', createJsonHandler(
 
 router.delete('/manual-redeem/:taskId/session', createJsonHandler(
   (req) => closeAdminManualRedeemSession(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
+    (req.params as AdminManualRedeemRouteParams).taskId,
     req.adminSession || null,
   ),
   {
@@ -125,7 +141,7 @@ router.delete('/manual-redeem/:taskId/session', createJsonHandler(
 
 router.post('/manual-redeem/:taskId/confirm-role', createJsonHandler(
   (req) => confirmAdminManualRedeemRole(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
+    (req.params as AdminManualRedeemRouteParams).taskId,
     req.adminSession || null,
   ),
   {
@@ -133,7 +149,7 @@ router.post('/manual-redeem/:taskId/confirm-role', createJsonHandler(
     errorMessage: '确认人工兑换角色失败',
     scope: '[admin/manual-redeem/:taskId/confirm-role]',
     audit: (req, data) => {
-      const result = /** @type {{ task?: { taskId?: number, taskNo?: string, status?: string } }} */ (data)
+      const result = data as AdminManualRedeemMutationResult
       return {
         action: 'manual_redeem_role_confirmed',
         targetType: 'task',
@@ -150,7 +166,7 @@ router.post('/manual-redeem/:taskId/confirm-role', createJsonHandler(
 
 router.post('/manual-redeem/:taskId/redeem', createJsonHandler(
   (req) => redeemAdminManualRedeemTask(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
+    (req.params as AdminManualRedeemRouteParams).taskId,
     req.adminSession || null,
   ),
   {
@@ -158,7 +174,7 @@ router.post('/manual-redeem/:taskId/redeem', createJsonHandler(
     errorMessage: '执行人工兑换失败',
     scope: '[admin/manual-redeem/:taskId/redeem]',
     audit: (req, data) => {
-      const result = /** @type {{ task?: { taskId?: number, taskNo?: string, status?: string, deliveryStatus?: string } }} */ (data)
+      const result = data as AdminManualRedeemMutationResult
       return {
         action: 'manual_redeem_started',
         targetType: 'task',
@@ -176,7 +192,7 @@ router.post('/manual-redeem/:taskId/redeem', createJsonHandler(
 
 router.post('/manual-redeem/:taskId/close', createJsonHandler(
   (req) => closeAdminManualRedeemTask(
-    (/** @type {AdminManualRedeemRouteParams} */ (req.params)).taskId,
+    (req.params as AdminManualRedeemRouteParams).taskId,
     req.adminSession || null,
   ),
   {
@@ -184,7 +200,7 @@ router.post('/manual-redeem/:taskId/close', createJsonHandler(
     errorMessage: '关闭人工兑换任务失败',
     scope: '[admin/manual-redeem/:taskId/close]',
     audit: (req, data) => {
-      const result = /** @type {{ task?: { taskId?: number, taskNo?: string, status?: string } }} */ (data)
+      const result = data as AdminManualRedeemMutationResult
       return {
         action: 'manual_redeem_closed',
         targetType: 'task',
diff --git a/docs/backend-typescript-migration-plan.md b/docs/backend-typescript-migration-plan.md
index 87d9368c..2969010e 100644
--- a/docs/backend-typescript-migration-plan.md
+++ b/docs/backend-typescript-migration-plan.md
@@ -829,6 +829,13 @@
     - `npm run typecheck`
     - `npm run build`
     - `npm test` 共 139 个用例通过
+215. 后台人工兑换路由迁移到 `.ts`：
+    - `src/routes/admin/manual-redeem.ts`
+216. 人工兑换 SKU 建议、任务创建 / 详情、登录会话创建 / 摘要 / 刷新 / 关闭、确认角色、启动兑换和关闭任务路由已进入 TS 编译链路；route query、params、body、session body 与人工兑换 mutation audit result 补齐类型
+217. Docker 内验证通过：
+    - `npm run typecheck`
+    - `npm run build`
+    - `npm test` 共 139 个用例通过
 
 ## 下一步建议