feat: 细化差旅票据费用明细分类并自动计算出差补贴

将差旅费用明细拆分为火车票、机票、住宿票、乘车等细分类
型，根据票据字段自动生成行程/事由描述，结合规则引擎自
动计算出差补贴金额，前端适配费用明细编辑和差旅票据审
核交互，补充单元测试覆盖。

web/src/composables/useRequests.js

@@ -4,6 +4,11 @@ import { fetchExpenseClaims } from '../services/reimbursements.js'
 
 const EXPENSE_TYPE_LABELS = {
   travel: '差旅费',
+  train_ticket: '火车票',
+  flight_ticket: '机票',
+  hotel_ticket: '住宿票',
+  ride_ticket: '乘车',
+  travel_allowance: '出差补贴',
   entertainment: '业务招待费',
   office: '办公费',
   meeting: '会务费',
@@ -16,10 +21,17 @@ const EXPENSE_TYPE_LABELS = {
 
 const LOCATION_REQUIRED_EXPENSE_TYPES = new Set([
   'travel',
+  'train_ticket',
+  'flight_ticket',
+  'hotel_ticket',
+  'ride_ticket',
   'meeting',
   'entertainment'
 ])
 
+const SYSTEM_GENERATED_EXPENSE_TYPES = new Set(['travel_allowance'])
+const LONG_DISTANCE_TRAVEL_EXPENSE_TYPES = new Set(['train_ticket', 'flight_ticket'])
+
 const REIMBURSEMENT_PROGRESS_LABELS = [
   '创建单据',
   '待提交',
@@ -123,6 +135,57 @@ function resolveLocationDisplay(location, typeCode) {
   return isLocationRequiredExpenseType(typeCode) ? '待补充' : '非必填'
 }
 
+function resolveExpenseItemViewId(item, index, claim) {
+  return String(item?.id || `${claim?.id || 'claim'}-item-${index}`)
+}
+
+function buildTravelTimeLabelMap(items, claim) {
+  const travelItems = items
+    .map((item, index) => {
+      const itemType = normalizeExpenseType(item?.item_type || claim?.expense_type)
+      return {
+        id: resolveExpenseItemViewId(item, index, claim),
+        index,
+        itemType,
+        itemDate: formatDate(item?.item_date),
+        isSystemGenerated: Boolean(item?.is_system_generated || SYSTEM_GENERATED_EXPENSE_TYPES.has(itemType))
+      }
+    })
+    .filter((item) => !item.isSystemGenerated && LONG_DISTANCE_TRAVEL_EXPENSE_TYPES.has(item.itemType))
+    .sort((left, right) => {
+      const dateCompare = String(left.itemDate || '').localeCompare(String(right.itemDate || ''))
+      return dateCompare || left.index - right.index
+    })
+
+  const labels = new Map()
+  travelItems.forEach((item, index) => {
+    if (index === 0) {
+      labels.set(item.id, '出发时间')
+    } else if (index === travelItems.length - 1) {
+      labels.set(item.id, '返回时间')
+    } else {
+      labels.set(item.id, '中转时间')
+    }
+  })
+  return labels
+}
+
+function resolveExpenseTimeLabel({ id, itemType, isSystemGenerated, claim, travelTimeLabelMap }) {
+  if (isSystemGenerated) {
+    return '系统自动计算'
+  }
+  if (travelTimeLabelMap?.has(id)) {
+    return travelTimeLabelMap.get(id)
+  }
+  if (itemType === 'ride_ticket') {
+    return '乘车时间'
+  }
+  if (itemType === 'hotel_ticket') {
+    return '住宿时间'
+  }
+  return claim?.expense_type === 'travel' ? '出行时间' : '业务发生时间'
+}
+
 function resolveAttachmentDisplayName(value) {
   const normalized = String(value || '').trim()
   if (!normalized) {
@@ -498,11 +561,20 @@ function buildExpenseItems(claim, riskSummary) {
     return []
   }
 
-  return claim.items.map((item, index) => {
+  const sortedItems = [...claim.items].sort((left, right) => {
+    const leftType = normalizeExpenseType(left?.item_type)
+    const rightType = normalizeExpenseType(right?.item_type)
+    return Number(SYSTEM_GENERATED_EXPENSE_TYPES.has(leftType)) - Number(SYSTEM_GENERATED_EXPENSE_TYPES.has(rightType))
+  })
+  const travelTimeLabelMap = buildTravelTimeLabelMap(sortedItems, claim)
+
+  return sortedItems.map((item, index) => {
     const invoiceId = String(item?.invoice_id || '').trim()
     const attachmentName = resolveAttachmentDisplayName(invoiceId)
     const attachments = invoiceId ? [attachmentName || invoiceId] : []
     const itemType = normalizeExpenseType(item?.item_type || claim?.expense_type)
+    const isSystemGenerated = Boolean(item?.is_system_generated || SYSTEM_GENERATED_EXPENSE_TYPES.has(itemType))
+    const id = resolveExpenseItemViewId(item, index, claim)
     const itemTypeLabel = resolveTypeLabel(itemType)
     const itemLocation = String(item?.item_location || '').trim()
     const itemReason = String(item?.item_reason || '').trim()
@@ -510,7 +582,7 @@ function buildExpenseItems(claim, riskSummary) {
     const itemAmountDisplay = itemAmount > 0 ? formatAmount(itemAmount) : '待补充'
 
     return {
-      id: String(item?.id || `${claim?.id || 'claim'}-item-${index}`),
+      id,
       time: formatDate(item?.item_date) || '待补充',
       itemDate: formatDate(item?.item_date) || '',
       filledAt: formatDateTime(item?.created_at) || '待同步',
@@ -519,17 +591,24 @@ function buildExpenseItems(claim, riskSummary) {
       itemLocation,
       itemAmount,
       invoiceId,
-      dayLabel: claim?.expense_type === 'travel' ? `第 ${index + 1} 项` : '业务发生项',
+      isSystemGenerated,
+      dayLabel: resolveExpenseTimeLabel({
+        id,
+        itemType,
+        isSystemGenerated,
+        claim,
+        travelTimeLabelMap
+      }),
       name: itemTypeLabel,
       category: itemTypeLabel,
       desc: itemReason || '待补充',
       detail: resolveLocationDisplay(itemLocation, itemType),
       amount: itemAmountDisplay,
-      status: attachments.length ? '已识别' : '待补充',
-      tone: attachments.length ? 'ok' : 'bad',
-      attachmentStatus: attachments.length ? '已关联票据' : '未上传',
-      attachmentHint: attachments.length ? attachments[0] : '仅支持上传 1 张 JPG、PNG、PDF 单据',
-      attachmentTone: attachments.length ? 'ok' : 'missing',
+      status: isSystemGenerated ? '系统计算' : attachments.length ? '已识别' : '待补充',
+      tone: isSystemGenerated ? 'system' : attachments.length ? 'ok' : 'bad',
+      attachmentStatus: isSystemGenerated ? '无需附件' : attachments.length ? '已关联票据' : '未上传',
+      attachmentHint: isSystemGenerated ? '根据出差天数与职级自动测算' : attachments.length ? attachments[0] : '仅支持上传 1 张 JPG、PNG、PDF 单据',
+      attachmentTone: isSystemGenerated ? 'system' : attachments.length ? 'ok' : 'missing',
       attachments,
       riskLabel: riskSummary === '无' ? '无' : '待关注',
       riskText: riskSummary === '无' ? '' : riskSummary,