fix: resolve frontend lint errors

src/composables/useAdminFiles.ts

@@ -632,13 +632,13 @@ export function useAdminFiles() {
     const storage = detail.storage
     const expiredAt = policy?.expiredAt ?? policy?.expired_at ?? file.expired_at ?? null
     const expiredCount = policy?.expiredCount ?? policy?.expired_count ?? file.expired_count ?? null
+    const prefixedName = `${file.prefix || ''}${file.suffix || ''}`
     const displayName =
       detail.displayName ??
       detail.display_name ??
       detail.filename ??
       file.name ??
-      `${file.prefix}${file.suffix}` ??
-      file.code
+      (prefixedName || file.code)
     const normalizedFile: FileListItem = {
       ...file,
       name: displayName,

src/utils/download-action.ts

@@ -2,6 +2,11 @@ import { saveAs } from 'file-saver'
 import type { AdminFileViewItem, ApiResponse, ReceivedFileRecord } from '@/types'
 import { buildDownloadUrl } from '@/utils/share-url'
 
+const unsafeFilenamePattern = new RegExp(
+  `[\\\\/:*?"<>|${String.fromCharCode(0)}-${String.fromCharCode(31)}]`,
+  'g'
+)
+
 export function downloadReceivedRecord(record: ReceivedFileRecord): void {
   if (record.downloadUrl) {
     window.open(buildDownloadUrl(record.downloadUrl), '_blank')
@@ -16,7 +21,7 @@ export function downloadReceivedRecord(record: ReceivedFileRecord): void {
 
 export const getSafeFilename = (name: string) =>
   name
-    .replace(/[\\/:*?"<>|\x00-\x1F]/g, '_')
+    .replace(unsafeFilenamePattern, '_')
     .replace(/\s+/g, ' ')
     .trim()
     .slice(0, 180) || 'download'