接入 ESLint 并清理未使用代码

- 前后端接入 ESLint 10 扁平配置（typescript-eslint 类型感知检查 + react-hooks/react-refresh），新增 lint / lint:check / lint:fix 脚本并纳入 check 链路
- 清理全部 no-unused-vars 与 no-useless-assignment 警告，修复 floating promises、正则转义等问题
- 删除确认无引用的死代码（markKuaishouCloudBindUrlRefreshFailed、未使用 helper 等）

apps/frontend/src/pages/worker/WorkerHallPage.tsx

@@ -63,7 +63,7 @@ export default function WorkerHallPage() {
   useEffect(() => {
     if (!autoRefresh) return
     const timer = window.setInterval(() => {
-      refreshAll()
+      void refreshAll()
     }, 5000)
     return () => window.clearInterval(timer)
   }, [autoRefresh])

apps/frontend/src/pages/worker/WorkerLoginPage.tsx

@@ -57,7 +57,7 @@ export default function WorkerLoginPage() {
       const response = await loginWorker(values)
       setWorkerSession(response.data.token, response.data.expiresAt, response.data.worker)
       message.success('登录成功')
-      navigate('/hall', { replace: true })
+      void navigate('/hall', { replace: true })
     } catch (error) {
       message.error(error instanceof Error ? error.message : '登录失败')
     } finally {

apps/frontend/src/pages/worker/WorkerOrdersPage.tsx

@@ -8,9 +8,7 @@ import {
 } from '@ant-design/icons'
 import { useQuery, useQueryClient } from '@tanstack/react-query'
 import {
-  AutoComplete,
   App,
-  Alert,
   Button,
   Card,
   Descriptions,
@@ -29,7 +27,7 @@ import {
   Typography,
 } from 'antd'
 import type { TableColumnsType } from 'antd'
-import { useEffect, useState } from 'react'
+import { useState } from 'react'
 
 import { DeadlineCountdown } from '@/components/DeadlineCountdown'
 import ImagePreviewList from '@/components/files/ImagePreviewList'
@@ -652,7 +650,7 @@ export default function WorkerOrdersPage() {
                 )
                 const screenshots = getMaterialScreenshots(order)
                 const canCopyInfo = getCopyOrderInfoItems(order).length > 0
-                const submittedAt = getAcceptanceSubmittedAt(order)
+                const _submittedAt = getAcceptanceSubmittedAt(order)
                 const acceptanceFiles = getUniqueAcceptanceFiles(getWorkerAcceptance(order))
                 const hasAcceptance = acceptanceFiles.length > 0
                 const draftFiles = getUniqueAcceptanceFiles(getWorkerDraft(order))
@@ -1409,28 +1407,6 @@ function getUniqueAcceptanceFiles(source?: WorkerAcceptance | null): UploadedFil
   })
 }
 
-function getAcceptanceFiles(row: WorkOrder): UploadedFile[] {
-  return getAcceptanceFilesFromSource(getWorkerAcceptance(row))
-}
-
-function getAcceptanceImageUrls(row: WorkOrder): string[] {
-  const imageUrls = getWorkerAcceptance(row)?.imageUrls
-  return Array.isArray(imageUrls)
-    ? imageUrls.map((item) => String(item || '').trim()).filter(Boolean)
-    : []
-}
-
-function getDraftFiles(row: WorkOrder): UploadedFile[] {
-  return getAcceptanceFilesFromSource(getWorkerDraft(row))
-}
-
-function getDraftImageUrls(row: WorkOrder): string[] {
-  const imageUrls = getWorkerDraft(row)?.imageUrls
-  return Array.isArray(imageUrls)
-    ? imageUrls.map((item) => String(item || '').trim()).filter(Boolean)
-    : []
-}
-
 function getAcceptanceSubmittedAt(order: WorkOrder): string | null {
   if (order.myShare) return order.myShare.submittedAt
   const acceptanceSubmittedAt =

apps/frontend/src/pages/worker/WorkerProfilePage.tsx

@@ -166,7 +166,7 @@ export default function WorkerProfilePage() {
     } finally {
       clearWorkerSession()
       message.success('已退出登录')
-      navigate('/', { replace: true })
+      void navigate('/', { replace: true })
     }
   }
 
@@ -250,7 +250,7 @@ export default function WorkerProfilePage() {
       })
       message.success('密码已修改，请重新登录')
       clearWorkerSession()
-      navigate('/', { replace: true })
+      void navigate('/', { replace: true })
     } catch (error) {
       message.error(error instanceof Error ? error.message : '修改密码失败')
     } finally {