From 1455e8a5dcea2209b4d1baf4d513aa8fbfb2b39b Mon Sep 17 00:00:00 2001
From: huminmin <mac@MacBook-Pro.local>
Date: 星期五, 08 五月 2026 17:44:45 +0800
Subject: [PATCH] 隐藏新财务模块

---
 src/components/AIChatSidebar/index.vue |  653 ++++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 573 insertions(+), 80 deletions(-)

diff --git a/src/components/AIChatSidebar/index.vue b/src/components/AIChatSidebar/index.vue
index 369d75d..a5dcf0b 100644
--- a/src/components/AIChatSidebar/index.vue
+++ b/src/components/AIChatSidebar/index.vue
@@ -187,6 +187,37 @@
                 <!-- 鏂囨湰鍐呭 -->
                 <div class="text-box" v-html="message.htmlContent"></div>
 
+                <div v-if="message.localUploadFiles?.length" class="message-local-file-list">
+                  <div
+                      v-for="(file, fileIndex) in message.localUploadFiles"
+                      :key="`${file.previewId || file.name}-${fileIndex}`"
+                      :class="['message-local-file-item', { clickable: !!file.accessUrl && !file.isImage }]"
+                      @click="handleMessageFileClick(file)"
+                  >
+                    <el-image
+                        v-if="file.isImage && file.previewUrl"
+                        :src="file.previewUrl"
+                        :preview-src-list="getImagePreviewList(message.localUploadFiles)"
+                        :initial-index="getImagePreviewInitialIndex(message.localUploadFiles, file.previewUrl)"
+                        :z-index="4000"
+                        preview-teleported
+                        fit="cover"
+                        class="message-local-file-thumb"
+                    />
+                    <el-icon v-else class="message-local-file-icon"><Document /></el-icon>
+                    <div class="message-local-file-meta">
+                      <span
+                          :class="['message-local-file-name', { clickable: !!file.accessUrl }]"
+                          :title="file.name"
+                          @click.stop="openMessageAttachment(file)"
+                      >
+                        {{ file.name }}
+                      </span>
+                      <small v-if="Number(file.size) > 0" class="message-local-file-size">{{ formatFileSize(file.size) }}</small>
+                    </div>
+                  </div>
+                </div>
+
                 <!-- 鍥捐〃鍐呭 -->
                 <div v-if="message.chartOptions && message.chartRenderReady" class="charts-wrapper">
                   <div
@@ -443,9 +474,22 @@
             </div>
             <div class="input-box">
               <div v-if="selectedFiles.length" class="selected-file-list">
-                <div v-for="(file, fileIndex) in selectedFiles" :key="`${file.name}-${fileIndex}`" class="selected-file-tag">
-                  <el-icon><Document /></el-icon>
-                  <span class="file-name">{{ file.name }}</span>
+                <div v-for="(file, fileIndex) in selectedFileSnapshots" :key="`${file.previewId || file.name}-${fileIndex}`" class="selected-file-tag">
+                  <el-image
+                      v-if="file.isImage && file.previewUrl"
+                      :src="file.previewUrl"
+                      :preview-src-list="getImagePreviewList(selectedFileSnapshots)"
+                      :initial-index="getImagePreviewInitialIndex(selectedFileSnapshots, file.previewUrl)"
+                      :z-index="4000"
+                      preview-teleported
+                      fit="cover"
+                      class="selected-file-thumb"
+                  />
+                  <el-icon v-else><Document /></el-icon>
+                  <div class="selected-file-meta">
+                    <span class="file-name">{{ file.name }}</span>
+                    <small class="file-size">{{ formatFileSize(file.size) }}</small>
+                  </div>
                   <el-icon class="remove-file" @click="removeSelectedFile(fileIndex)"><Close /></el-icon>
                 </div>
               </div>
@@ -478,8 +522,9 @@
 import { ref, onMounted, onUnmounted, nextTick, watch, computed } from 'vue'
 import request from '@/utils/request'
 import * as echarts from 'echarts'
-import { Cpu, User, Plus, Timer, Delete, ChatDotSquare, VideoPause, Upload, Document, Close, ShoppingCart, Promotion, RefreshRight } from '@element-plus/icons-vue'
+import { Cpu, User, Plus, Timer, Delete, ChatDotSquare, VideoPause, Upload, Document, Close, Promotion, RefreshRight } from '@element-plus/icons-vue'
 import { ElMessage } from 'element-plus'
+import { builtInAssistants, generalAssistant } from './assistants'
 
 const props = defineProps({
   assistants: {
@@ -492,69 +537,10 @@
   }
 })
 
-const builtInAssistants = [
-  {
-    key: 'general',
-    label: '寰呭姙鍔╃悊',
-    title: '寰呭姙鏅鸿兘鍔╃悊',
-    tooltip: '寰呭姙鍔╂墜',
-    icon: Cpu,
-    apiBase: '/xiaozhi',
-    storageKey: 'ai_chat_uuid',
-    placeholder: '璇疯緭鍏ユ偍鐨勯棶棰�... (Enter 鍙戦��, Shift+Enter 鎹㈣)',
-    welcomeMessage: '浣犲ソ',
-    description: '鎴戝彲浠ュ洖绛斾綘鐨勯棶棰橈紝涓轰綘鎻愪緵涓氬姟鏁版嵁瑙h淇℃伅銆佸鐞嗗缓璁拰杈呭姪鍐崇瓥鏀寔銆�',
-    allowFileUpload: true,
-    emptySessionText: '鏆傛棤鍘嗗彶浼氳瘽'
-  },
-  {
-    key: 'purchase',
-    label: '閲囪喘鍔╃悊',
-    title: '閲囪喘鏅鸿兘鍔╃悊',
-    tooltip: '閲囪喘鏅鸿兘鍔╃悊',
-    icon: ShoppingCart,
-    apiBase: '/purchase-ai',
-    storageKey: 'purchase_ai_chat_uuid',
-    placeholder: '璇疯緭鍏ラ噰璐棶棰�... (Enter 鍙戦��, Shift+Enter 鎹㈣)',
-    welcomeMessage: '浣犲ソ',
-    description: '鎴戝彲浠ュ崗鍔╀綘鍒嗘瀽閲囪喘璁㈠崟銆佸埌璐ц繘搴︺�佷緵搴斿晢琛ㄧ幇鍜屼粯娆炬儏鍐碉紝甯姪浣犲揩閫熷畾浣嶉噰璐紓甯搞��',
-    allowFileUpload: true,
-    allowMultipleFileUpload: true,
-    fileAnalyzeUrl: '/purchase-ai/analyze-files',
-    emptySessionText: '鏆傛棤閲囪喘浼氳瘽'
-  }
-]
-
 const assistants = computed(() => props.assistants?.length ? props.assistants : builtInAssistants)
 const selectedAssistantKey = ref(props.defaultAssistant || assistants.value[0]?.key || 'general')
 const currentAssistant = computed(() => assistants.value.find(item => item.key === selectedAssistantKey.value) || assistants.value[0] || builtInAssistants[0])
 const showAssistantSwitch = computed(() => assistants.value.length > 1)
-const assistantQuickPromptMap = {
-  general: [
-    '鎴戝綋鍓嶆湁鍝簺瀹℃壒寰呭姙闇�瑕佸鐞嗭紵',
-    '甯垜鍒楀嚭浠婂ぉ鏂板鐨勫鎵瑰緟鍔炪��',
-    '褰撳墠寰呮垜瀹℃壒鐨勫崟鎹紝鎸夋椂闂村�掑簭鍒楀嚭鏉ャ��',
-    '鎴戝彂璧风殑瀹℃壒閲岋紝鍝簺杩樺湪澶勭悊涓紵',
-    '鏌ヨ娴佺▼缂栧彿 XXX 鐨勫鎵硅鎯呫��',
-    '娴佺▼缂栧彿 XXX 鐜板湪鍗″湪鍝釜瀹℃壒鑺傜偣锛熷綋鍓嶅鎵逛汉鏄皝锛�',
-    '甯垜鏌ョ湅娴佺▼缂栧彿 XXX 鐨勫鎵规祦杞褰曘��',
-    '杩�7澶╂垜鐨勫鎵瑰緟鍔炵粺璁℃儏鍐垫�庝箞鏍凤紵',
-    '鏈湀鎴戠殑瀹℃壒涓紝閫氳繃銆侀┏鍥炪�佸鐞嗕腑鍚勬湁澶氬皯锛�',
-    '杩�30澶╁悇绫诲瀷瀹℃壒鏁伴噺鍒嗗竷鏄粈涔堬紵',
-    '甯垜瀹℃壒閫氳繃娴佺▼缂栧彿 XXX锛屽娉ㄢ�滃悓鎰忊�濄��',
-    '甯垜椹冲洖娴佺▼缂栧彿 XXX锛屽娉ㄢ�滆琛ュ厖璇存槑鈥濄��',
-    '鎾ら攢鎴戝垰鍒氬娴佺▼缂栧彿 XXX 鐨勫鎵规搷浣溿��',
-    '甯垜淇敼娴佺▼缂栧彿 XXX 鐨勫娉ㄤ负鈥滃凡琛ュ厖闄勪欢鈥濄��',
-    '鍒犻櫎鎴戝彂璧风殑娴佺▼缂栧彿 XXX銆�'
-  ],
-  purchase: [
-    '鏈湀閲囪喘閲戦鎺掑悕鍓嶅崄鐨勭墿鏂欐湁鍝簺锛�',
-    '鍝簺閲囪喘璁㈠崟杩樻湭鍏ュ簱锛�',
-    '鏈�杩�7澶╀緵搴斿晢鍒拌揣寮傚父鏈夊摢浜涳紵',
-    '甯垜缁熻寰呬粯娆鹃噰璐崟',
-    '鍒楀嚭鏈湀閲囪喘閫�璐ф儏鍐�'
-  ]
-}
 const quickPromptLimit = 3
 const quickPromptStart = ref(0)
 const quickPrompts = computed(() => {
@@ -562,7 +548,7 @@
   if (Array.isArray(assistant.quickPrompts) && assistant.quickPrompts.length) {
     return assistant.quickPrompts
   }
-  return assistantQuickPromptMap[assistant.key] || assistantQuickPromptMap.general
+  return generalAssistant.quickPrompts || []
 })
 const displayedQuickPrompts = computed(() => {
   const prompts = quickPrompts.value || []
@@ -589,6 +575,7 @@
 const inputMessage = ref('')
 const selectedFiles = ref([])
 const uploadFileList = ref([])
+const selectedFileSnapshots = ref([])
 const messages = ref([])
 const uuid = ref('')
 const chartInstances = ref({})
@@ -792,6 +779,142 @@
 const sessions = ref([])
 const loadingSessions = ref(false)
 
+const isImageFileType = (fileType = '') => String(fileType || '').toLowerCase().startsWith('image/')
+const imageFilePathPattern = /\.(png|jpe?g|gif|webp|bmp|svg)$/i
+
+const getPathnameFromFilePath = (filePath = '') => {
+  const rawPath = String(filePath || '').trim()
+  if (!rawPath) return ''
+  try {
+    const baseOrigin = typeof window !== 'undefined' ? window.location.origin : 'http://localhost'
+    return new URL(rawPath, baseOrigin).pathname || ''
+  } catch (err) {
+    return rawPath.split('?')[0]
+  }
+}
+
+const isImageFilePath = (filePath = '') => {
+  const pathname = getPathnameFromFilePath(filePath).toLowerCase()
+  return imageFilePathPattern.test(pathname)
+}
+
+const getHistoryFileName = (filePath = '', index = 0) => {
+  const pathname = getPathnameFromFilePath(filePath)
+  const fileName = pathname.split('/').filter(Boolean).pop()
+  if (!fileName) return `file-${index + 1}`
+  try {
+    return decodeURIComponent(fileName)
+  } catch (err) {
+    return fileName
+  }
+}
+
+const getImagePreviewList = (files = []) => {
+  if (!Array.isArray(files)) return []
+  return files
+    .filter(item => item?.isImage && item?.previewUrl)
+    .map(item => item.previewUrl)
+}
+
+const getImagePreviewInitialIndex = (files = [], previewUrl = '') => {
+  const list = getImagePreviewList(files)
+  const index = list.indexOf(previewUrl)
+  return index >= 0 ? index : 0
+}
+
+const formatFileSize = (size) => {
+  const bytes = Number(size)
+  if (!Number.isFinite(bytes) || bytes <= 0) return '0 B'
+  if (bytes < 1024) return `${bytes} B`
+  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1).replace(/\.0$/, '')} KB`
+  return `${(bytes / (1024 * 1024)).toFixed(1).replace(/\.0$/, '')} MB`
+}
+
+const createLocalFileSnapshot = (file, index = 0) => {
+  const rawFile = typeof File !== 'undefined' && file instanceof File ? file : null
+  const fileType = rawFile?.type || ''
+  const isImage = isImageFileType(fileType)
+  const canCreateObjectURL = typeof URL !== 'undefined' && typeof URL.createObjectURL === 'function'
+  const previewUrl = isImage && rawFile && canCreateObjectURL ? URL.createObjectURL(rawFile) : ''
+  return {
+    previewId: `${rawFile?.name || 'file'}-${rawFile?.size || 0}-${rawFile?.lastModified || Date.now()}-${index}`,
+    name: rawFile?.name || `file-${index + 1}`,
+    size: rawFile?.size || 0,
+    type: fileType,
+    isImage,
+    previewUrl,
+    accessUrl: '',
+    rawFile,
+    isObjectUrl: !!previewUrl
+  }
+}
+
+const createHistoryFileSnapshot = (filePath, memoryId = '', messageIndex = 0, fileIndex = 0) => {
+  const normalizedPath = String(filePath || '').trim()
+  if (!normalizedPath) return null
+  const isImage = isImageFilePath(normalizedPath)
+  return {
+    previewId: `${memoryId || 'history'}-${messageIndex}-${fileIndex}`,
+    name: getHistoryFileName(normalizedPath, fileIndex),
+    size: 0,
+    type: '',
+    isImage,
+    previewUrl: isImage ? normalizedPath : '',
+    accessUrl: normalizedPath,
+    rawFile: null,
+    isObjectUrl: false
+  }
+}
+
+const revokeLocalFileSnapshots = (snapshots = []) => {
+  const canRevokeObjectURL = typeof URL !== 'undefined' && typeof URL.revokeObjectURL === 'function'
+  if (!canRevokeObjectURL) return
+  if (!Array.isArray(snapshots)) return
+  snapshots.forEach((snapshot) => {
+    if (snapshot?.isObjectUrl && snapshot?.previewUrl) {
+      URL.revokeObjectURL(snapshot.previewUrl)
+    }
+  })
+}
+
+const mapHistoryFilePathsToSnapshots = (filePaths = [], memoryId = '', messageIndex = 0) => {
+  if (!Array.isArray(filePaths)) return []
+  return filePaths
+    .map((filePath, fileIndex) => createHistoryFileSnapshot(filePath, memoryId, messageIndex, fileIndex))
+    .filter(Boolean)
+}
+
+const openMessageAttachment = (file) => {
+  const accessUrl = String(file?.accessUrl || '').trim()
+  if (!accessUrl) return
+  if (typeof window === 'undefined' || typeof window.open !== 'function') return
+  window.open(accessUrl, '_blank', 'noopener,noreferrer')
+}
+
+const handleMessageFileClick = (file) => {
+  if (!file?.accessUrl || file?.isImage) return
+  openMessageAttachment(file)
+}
+
+const revokeMessageLocalFileSnapshots = (messageList = []) => {
+  if (!Array.isArray(messageList)) return
+  messageList.forEach((msg) => {
+    if (Array.isArray(msg?.localUploadFiles)) {
+      revokeLocalFileSnapshots(msg.localUploadFiles)
+      msg.localUploadFiles = []
+    }
+  })
+}
+
+const clearSelectedFiles = ({ releaseSnapshots = true } = {}) => {
+  if (releaseSnapshots) {
+    revokeLocalFileSnapshots(selectedFileSnapshots.value)
+  }
+  selectedFiles.value = []
+  uploadFileList.value = []
+  selectedFileSnapshots.value = []
+}
+
 const abortCurrentRequest = () => {
   if (!currentAbortController.value) return
 
@@ -835,6 +958,7 @@
 
 const selectSession = async (session) => {
   showHistory.value = false
+  clearSelectedFiles()
   uuid.value = session.memoryId
   localStorage.setItem(currentAssistant.value.storageKey, uuid.value)
 
@@ -842,6 +966,7 @@
   try {
     const res = await request.get(`${currentAssistant.value.apiBase}/history/messages/${uuid.value}`)
     if (res.code === 200) {
+      revokeMessageLocalFileSnapshots(messages.value)
       disposeCharts()
       messages.value = []
       const historyMsgs = res.data || []
@@ -853,7 +978,7 @@
 
         const messageObj = {
           isUser,
-          content: msg.content,
+          content: msg.content || '',
           htmlContent: '',
           isTyping: false,
           chartOptions: null,
@@ -861,7 +986,8 @@
           type: '',
           tableData: null,
           payloadTreeData: null,
-          payloadHiddenData: null
+          payloadHiddenData: null,
+          localUploadFiles: isUser ? mapHistoryFilePathsToSnapshots(msg.filePaths, uuid.value, idx) : []
         }
 
         messages.value.push(messageObj)
@@ -876,15 +1002,15 @@
           }
 
           // 瑙f瀽鍘嗗彶娑堟伅涓殑 JSON
-          const extracted = extractEmbeddedSuccessJson(msg.content)
+          const extracted = extractEmbeddedSuccessJson(msg.content || '')
           if (extracted) {
             applyStructuredMessageData(messageObj, extracted.data, botMsgIndex)
           }
 
-          updateOutputState(msg.content, botMsgIndex)
-          messageObj.htmlContent = convertStreamOutput(msg.content, botMsgIndex)
+          updateOutputState(msg.content || '', botMsgIndex)
+          messageObj.htmlContent = convertStreamOutput(msg.content || '', botMsgIndex)
         } else {
-          messageObj.htmlContent = convertTextToHtml(msg.content)
+          messageObj.htmlContent = convertTextToHtml(msg.content || '')
         }
       })
       scrollToBottom()
@@ -928,6 +1054,8 @@
 })
 
 onUnmounted(() => {
+  revokeMessageLocalFileSnapshots(messages.value)
+  clearSelectedFiles()
   disposeCharts()
   window.removeEventListener('resize', handleWindowResize)
 })
@@ -936,13 +1064,13 @@
   if (!prevKey || nextKey === prevKey) return
 
   abortCurrentRequest()
+  revokeMessageLocalFileSnapshots(messages.value)
   disposeCharts()
   messages.value = []
   outputState.value = {}
   sessions.value = []
   showHistory.value = false
-  selectedFiles.value = []
-  uploadFileList.value = []
+  clearSelectedFiles()
   inputMessage.value = ''
   quickPromptStart.value = 0
   initUUID()
@@ -985,13 +1113,13 @@
 }
 
 const newChat = () => {
+  revokeMessageLocalFileSnapshots(messages.value)
   disposeCharts()
   messages.value = []
   outputState.value = {}
   sessions.value = []
   showHistory.value = false
-  selectedFiles.value = []
-  uploadFileList.value = []
+  clearSelectedFiles()
   quickPromptStart.value = 0
   localStorage.removeItem(currentAssistant.value.storageKey)
   initUUID()
@@ -1667,6 +1795,76 @@
   '瀹℃壒鐢ㄦ埛ID鍒楄〃'
 ])
 
+const purchaseIntegerFieldKeys = new Set([
+  'id',
+  'supplierId',
+  'recorderId',
+  'salesContractNoId',
+  'salesLedgerId',
+  'Type',
+  'businessPersonId',
+  'productId',
+  'productModelId',
+  'ticketRegistrationId',
+  'type',
+  'approvalStatus',
+  'inventoryWarningQuantity'
+])
+
+const purchaseDecimalFieldKeys = new Set([
+  'invoiceAmount',
+  'contractAmount',
+  'receiptPaymentAmount',
+  'unReceiptPaymentAmount',
+  'quantity',
+  'taxRate',
+  'taxInclusiveUnitPrice',
+  'taxInclusiveTotalPrice',
+  'taxExclusiveTotalPrice',
+  'priceWithTax',
+  'totalPriceWithTax'
+])
+
+const purchaseBooleanFieldKeys = new Set([
+  'hasChildren',
+  'isWhite',
+  'isInspected',
+  'isChecked'
+])
+
+const purchaseStringFieldKeys = new Set([
+  'entryDateStart',
+  'entryDateEnd',
+  'purchaseContractNumber',
+  'supplierName',
+  'recorderName',
+  'salesContractNo',
+  'projectName',
+  'entryDate',
+  'executionDate',
+  'remarks',
+  'attachmentMaterials',
+  'createdAt',
+  'updatedAt',
+  'phoneNumber',
+  'invoiceNumber',
+  'paymentMethod',
+  'templateName',
+  'productCategory',
+  'specificationModel',
+  'unit',
+  'invoiceType'
+])
+
+const purchaseGenericArrayFieldKeys = new Set([
+  'purchaseLedgers',
+  'productData'
+])
+
+const purchaseStringArrayFieldKeys = new Set(['tempFileIds'])
+
+const purchaseObjectArrayFieldKeys = new Set(['SalesLedgerFiles'])
+
 const normalizePurchaseProductRecord = (record) => {
   if (!record || typeof record !== 'object' || Array.isArray(record)) return record
   return mapPayloadKeys(record, purchasePayloadFieldKeyMap)
@@ -1746,10 +1944,191 @@
   }, {})
 }
 
+const normalizeAttachmentMaterialsValue = (value) => {
+  if (value === null || value === undefined) return value
+  if (typeof value === 'string') return value
+  if (typeof value === 'number' || typeof value === 'boolean') return String(value)
+  try {
+    return JSON.stringify(value)
+  } catch (err) {
+    return String(value)
+  }
+}
+
+const normalizePurchaseAttachmentMaterialsField = (value) => {
+  if (Array.isArray(value)) {
+    return value.map(item => normalizePurchaseAttachmentMaterialsField(item))
+  }
+  if (value && typeof value === 'object') {
+    return Object.entries(value).reduce((result, [key, item]) => {
+      if (key === 'attachmentMaterials') {
+        result[key] = normalizeAttachmentMaterialsValue(item)
+      } else {
+        result[key] = normalizePurchaseAttachmentMaterialsField(item)
+      }
+      return result
+    }, {})
+  }
+  return value
+}
+
+const normalizePurchaseNumericText = (text = '') => {
+  return String(text)
+    .replace(/[,\s锛宂/g, '')
+    .replace(/[楼锟ュ厓%]/g, '')
+}
+
+const parsePurchaseNumberValue = (value) => {
+  if (typeof value === 'number') {
+    return Number.isFinite(value) ? value : null
+  }
+  if (typeof value === 'boolean') {
+    return value ? 1 : 0
+  }
+  if (typeof value !== 'string') {
+    return null
+  }
+  const text = normalizePurchaseNumericText(value.trim())
+  if (!text) return null
+  if (!/^[-+]?\d+(\.\d+)?$/.test(text)) return null
+  const numberValue = Number(text)
+  return Number.isFinite(numberValue) ? numberValue : null
+}
+
+const normalizePurchaseIntegerFieldValue = (value) => {
+  if (value === null || value === undefined) return value
+  if (value === '') return null
+  const numberValue = parsePurchaseNumberValue(value)
+  if (numberValue === null) return null
+  return Math.trunc(numberValue)
+}
+
+const normalizePurchaseDecimalFieldValue = (value) => {
+  if (value === null || value === undefined) return value
+  if (value === '') return null
+  const numberValue = parsePurchaseNumberValue(value)
+  return numberValue === null ? null : numberValue
+}
+
+const normalizePurchaseBooleanFieldValue = (value) => {
+  if (value === null || value === undefined) return value
+  if (value === '') return null
+  if (typeof value === 'boolean') return value
+  if (typeof value === 'number') return value !== 0
+  if (typeof value !== 'string') return null
+
+  const text = value.trim().toLowerCase()
+  if (!text) return null
+  if (['true', '1', 'yes', 'y', '鏄�', '宸�', 'checked'].includes(text)) return true
+  if (['false', '0', 'no', 'n', '鍚�', '鏈�', 'unchecked'].includes(text)) return false
+  return null
+}
+
+const normalizePurchaseStringFieldValue = (value) => {
+  if (value === null || value === undefined) return value
+  if (typeof value === 'string') return value
+  if (typeof value === 'number' || typeof value === 'boolean') return String(value)
+  try {
+    return JSON.stringify(value)
+  } catch (err) {
+    return String(value)
+  }
+}
+
+const normalizePurchaseStringArrayFieldValue = (value) => {
+  if (Array.isArray(value)) {
+    return value
+      .map(item => normalizePurchaseStringFieldValue(item))
+      .filter(item => item !== null && item !== undefined && item !== '')
+  }
+  if (value === null || value === undefined || value === '') return []
+  if (typeof value === 'string') {
+    const text = value.trim()
+    if (!text) return []
+    if (/^\[.*\]$/.test(text)) {
+      try {
+        const parsedValue = JSON.parse(text)
+        if (Array.isArray(parsedValue)) {
+          return parsedValue
+            .map(item => normalizePurchaseStringFieldValue(item))
+            .filter(item => item !== null && item !== undefined && item !== '')
+        }
+      } catch (err) {
+        // Keep as plain text when not valid JSON array.
+      }
+    }
+    const splitValues = text
+      .split(/[,\n锛宂/)
+      .map(item => item.trim())
+      .filter(Boolean)
+    return splitValues.length > 1 ? splitValues : [text]
+  }
+  const normalizedValue = normalizePurchaseStringFieldValue(value)
+  return normalizedValue === null || normalizedValue === undefined || normalizedValue === ''
+    ? []
+    : [normalizedValue]
+}
+
+const normalizePurchaseObjectArrayFieldValue = (value) => {
+  if (Array.isArray(value)) {
+    return value.filter(item => item && typeof item === 'object')
+  }
+  if (value && typeof value === 'object') {
+    return [value]
+  }
+  return []
+}
+
+const normalizePurchaseValueByFieldKey = (fieldKey, value) => {
+  if (fieldKey === 'attachmentMaterials') return normalizeAttachmentMaterialsValue(value)
+  if (purchaseIntegerFieldKeys.has(fieldKey)) return normalizePurchaseIntegerFieldValue(value)
+  if (purchaseDecimalFieldKeys.has(fieldKey)) return normalizePurchaseDecimalFieldValue(value)
+  if (purchaseBooleanFieldKeys.has(fieldKey)) return normalizePurchaseBooleanFieldValue(value)
+  if (purchaseStringArrayFieldKeys.has(fieldKey)) return normalizePurchaseStringArrayFieldValue(value)
+  if (purchaseObjectArrayFieldKeys.has(fieldKey)) return normalizePurchaseObjectArrayFieldValue(value)
+  if (purchaseStringFieldKeys.has(fieldKey)) return normalizePurchaseStringFieldValue(value)
+  return value
+}
+
+const normalizePurchasePayloadFieldTypes = (value, fieldKey = '') => {
+  if (purchaseGenericArrayFieldKeys.has(fieldKey)) {
+    if (Array.isArray(value)) {
+      return value.map(item => normalizePurchasePayloadFieldTypes(item))
+    }
+    if (value && typeof value === 'object') {
+      return [normalizePurchasePayloadFieldTypes(value)]
+    }
+    return []
+  }
+
+  if (purchaseStringArrayFieldKeys.has(fieldKey)) {
+    return normalizePurchaseStringArrayFieldValue(value)
+  }
+
+  if (purchaseObjectArrayFieldKeys.has(fieldKey)) {
+    return normalizePurchaseObjectArrayFieldValue(value)
+  }
+
+  if (Array.isArray(value)) {
+    return value.map(item => normalizePurchasePayloadFieldTypes(item))
+  }
+
+  if (value && typeof value === 'object') {
+    return Object.entries(value).reduce((result, [key, item]) => {
+      result[key] = normalizePurchasePayloadFieldTypes(item, key)
+      return result
+    }, {})
+  }
+
+  return normalizePurchaseValueByFieldKey(fieldKey, value)
+}
+
 const sanitizePurchasePayloadForSubmit = (payload, businessType) => {
   if (businessType !== 'purchase_ledger' || !payload || typeof payload !== 'object') return payload
 
-  const sanitized = mergeLegacyProductDataIntoLedgers(Array.isArray(payload) ? [...payload] : { ...payload })
+  let sanitized = mergeLegacyProductDataIntoLedgers(Array.isArray(payload) ? [...payload] : { ...payload })
+  sanitized = normalizePurchaseAttachmentMaterialsField(sanitized)
+  sanitized = normalizePurchasePayloadFieldTypes(sanitized)
   if (Array.isArray(sanitized.purchaseLedgers)) {
     sanitized.purchaseLedgers = sanitized.purchaseLedgers.map(filterPurchaseLedgerRecord)
   }
@@ -1954,16 +2333,20 @@
     return isLt10M
   })
 
+  clearSelectedFiles()
   selectedFiles.value = validFiles
   uploadFileList.value = fileList.filter(item => item.raw && validFiles.includes(item.raw))
+  selectedFileSnapshots.value = validFiles.map((rawFile, index) => createLocalFileSnapshot(rawFile, index))
 }
 
 const removeSelectedFile = (index) => {
+  const [removedSnapshot] = selectedFileSnapshots.value.splice(index, 1)
+  revokeLocalFileSnapshots(removedSnapshot ? [removedSnapshot] : [])
   selectedFiles.value.splice(index, 1)
   uploadFileList.value.splice(index, 1)
 }
 
-const analyzeFiles = async (files, message = '') => {
+const analyzeFiles = async (files, message = '', localFileSnapshots = []) => {
   const uploadFiles = Array.isArray(files) ? files : [files].filter(Boolean)
   if (!uploadFiles.length) return
   if (isSending.value) return
@@ -1976,7 +2359,8 @@
     isUser: true,
     content: userMsg,
     htmlContent: convertTextToHtml(userMsg),
-    isTyping: false
+    isTyping: false,
+    localUploadFiles: Array.isArray(localFileSnapshots) ? localFileSnapshots : []
   })
 
   const botMsgIndex = messages.value.length
@@ -2075,9 +2459,9 @@
   const msg = inputMessage.value?.trim() || ''
   if ((msg || selectedFiles.value.length) && !isSending.value) {
     if (selectedFiles.value.length) {
-      analyzeFiles([...selectedFiles.value], msg)
-      selectedFiles.value = []
-      uploadFileList.value = []
+      const localFileSnapshots = selectedFileSnapshots.value
+      analyzeFiles([...selectedFiles.value], msg, localFileSnapshots)
+      clearSelectedFiles({ releaseSnapshots: false })
     } else {
       sendRequest(msg)
     }
@@ -3125,6 +3509,87 @@
         border-radius: 2px;
       }
     }
+
+    .message-local-file-list {
+      margin-top: 8px;
+      display: grid;
+      gap: 8px;
+      max-width: 100%;
+    }
+
+    .message-local-file-item {
+      display: flex;
+      align-items: center;
+      gap: 10px;
+      padding: 8px 10px;
+      border-radius: 10px;
+      border: 1px solid rgba(88, 117, 255, 0.2);
+      background: rgba(255, 255, 255, 0.9);
+      max-width: 100%;
+
+      &.clickable {
+        cursor: pointer;
+        transition: all 0.2s ease;
+
+        &:hover {
+          border-color: rgba(44, 109, 255, 0.38);
+          background: rgba(243, 247, 255, 0.96);
+        }
+      }
+    }
+
+    .message-local-file-thumb {
+      width: 40px;
+      height: 40px;
+      border-radius: 6px;
+      overflow: hidden;
+      flex-shrink: 0;
+      border: 1px solid rgba(124, 148, 255, 0.26);
+      background: #f4f7ff;
+      cursor: zoom-in;
+
+      :deep(.el-image__inner) {
+        width: 100%;
+        height: 100%;
+      }
+    }
+
+    .message-local-file-icon {
+      font-size: 20px;
+      color: $primary-blue;
+      flex-shrink: 0;
+    }
+
+    .message-local-file-meta {
+      min-width: 0;
+      display: flex;
+      flex-direction: column;
+      gap: 2px;
+    }
+
+    .message-local-file-name {
+      font-size: 12px;
+      color: #1f2a44;
+      font-weight: 600;
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+
+      &.clickable {
+        color: $primary-blue;
+        cursor: pointer;
+
+        &:hover {
+          text-decoration: underline;
+        }
+      }
+    }
+
+    .message-local-file-size {
+      font-size: 11px;
+      color: #7f8ba1;
+      line-height: 1.2;
+    }
   }
 
   &.bot-message {
@@ -3537,6 +4002,28 @@
         font-size: 18px;
       }
 
+      .selected-file-thumb {
+        width: 30px;
+        height: 30px;
+        border-radius: 6px;
+        overflow: hidden;
+        border: 1px solid rgba(0, 85, 212, 0.2);
+        flex-shrink: 0;
+        cursor: zoom-in;
+
+        :deep(.el-image__inner) {
+          width: 100%;
+          height: 100%;
+        }
+      }
+
+      .selected-file-meta {
+        min-width: 0;
+        display: flex;
+        flex-direction: column;
+        gap: 2px;
+      }
+
       .file-name {
         font-size: 13px;
         color: $deep-blue;
@@ -3546,6 +4033,12 @@
         font-weight: 600;
       }
 
+      .file-size {
+        font-size: 11px;
+        color: #5f86b4;
+        line-height: 1.1;
+      }
+
       .remove-file {
         cursor: pointer;
         color: $secondary-blue;

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