fix: 修复候选人简历上传 on-change 回调非 DOM 事件导致的报错

Element Plus el-upload 的 on-change 回调传的是 uploadFile 对象而非 DOM 事件，
原代码读取 event.target.files 会抛 TypeError。改为取 uploadFile.raw；
批量上传弹窗存在同类隐患，一并修复，并移除一个多余花括号的语法错误。

vue-app/src/components/resumes/CandidateBatchModal.vue

@@ -59,11 +59,12 @@ const setBatchSource = (source) => {
   store.candidateBatchSource = source
 }
 
-const handleFiles = async (event) => {
-  const files = [...(event.target.files || [])]
-  if (!files.length) return
-  const cacheOriginalFiles = files.reduce((total, file) => total + file.size, 0) <= 2 * 1024 * 1024
-  store.candidateBatchEntries = files.map((file) => ({
+const handleFiles = async (uploadFile) => {
+  const file = uploadFile.raw
+  if (!file || !store.candidateBatchOpen) return
+  const totalSize = store.candidateBatchEntries.reduce((total, entry) => total + (entry.file?.size || 0), 0)
+  const cacheOriginalFiles = totalSize + file.size <= 2 * 1024 * 1024
+  const entry = {
     id: uid('batch-resume'),
     file,
     status: 'parsing',
@@ -75,15 +76,14 @@ const handleFiles = async (event) => {
     parseWarning: '',
     resumeFileDataUrl: '',
     resumeFilePreviewWarning: '',
-  }))
+  }
+  store.candidateBatchEntries.push(entry)
   store.candidateBatchParsing = true
   parsing.value = true
-  event.target.value = ''
 
-  for (const entry of store.candidateBatchEntries) {
-    if (!store.candidateBatchOpen) break
   try {
     const parsed = await store.parseResumeFile(entry.file)
+    if (!store.candidateBatchOpen) return
     const suggestions = store.suggestJobs({
       jobTitle: parsed.jobTitle || '',
       resumeText: parsed.resumeText || '',
@@ -111,11 +111,12 @@ const handleFiles = async (event) => {
   } catch (error) {
     entry.status = 'error'
     entry.error = error.message || '解析失败'
+  } finally {
+    const stillParsing = store.candidateBatchEntries.some((item) => item.status === 'parsing')
+    store.candidateBatchParsing = stillParsing
+    parsing.value = stillParsing
+    if (!stillParsing) showToast('批量简历解析完成，请确认关联岗位')
   }
-  }
-  store.candidateBatchParsing = false
-  parsing.value = false
-  showToast('批量简历解析完成，请确认关联岗位')
 }
 
 const removeEntry = (id) => {

vue-app/src/components/resumes/CandidateCreateModal.vue

@@ -44,8 +44,8 @@ const close = () => {
   store.candidateCreateDraft = null
 }
 
-const onFileChange = async (event) => {
-  const file = event.target.files?.[0]
+const onFileChange = async (uploadFile) => {
+  const file = uploadFile.raw
   if (!file) return
   resumeFile.value = file
   parsing.value = true