feat(web): 差旅领导意见事件结构化与申请审批信息增强

- applicationApproval 新增按日期/时间/审批角色拆分格式化，buildLeaderApprovalEvents 补充 dateLabel/timeLabel/roleLabel 字段
- TravelRequestDetailView 领导意见事件改为日期+时间+审批人结构化展示，travel-request-detail-view.css 重构对应样式
- travelReimbursementAttachmentModel 微调附件标识，同步更新 application-approval-info、travel-request-detail-leader-approval、attachment-association-confirmation 测试
- 更新公司通信费报销规则表

web/src/utils/applicationApproval.js

@@ -37,6 +37,42 @@ function formatDateTime(value) {
   return `${year}-${month}-${day} ${hours}:${minutes}`
 }
 
+function formatDateLabel(value) {
+  const date = toDate(value)
+  if (!date) {
+    return ''
+  }
+  const year = date.getFullYear()
+  const month = String(date.getMonth() + 1).padStart(2, '0')
+  const day = String(date.getDate()).padStart(2, '0')
+  return `${year}-${month}-${day}`
+}
+
+function formatTimeLabel(value) {
+  const date = toDate(value)
+  if (!date) {
+    return ''
+  }
+  const hours = String(date.getHours()).padStart(2, '0')
+  const minutes = String(date.getMinutes()).padStart(2, '0')
+  return `${hours}:${minutes}`
+}
+
+function resolveApprovalRole(event, returned) {
+  return resolveDisplayName(
+    event?.operator_position,
+    event?.operatorPosition,
+    event?.operator_title,
+    event?.operatorTitle,
+    event?.approver_position,
+    event?.approverPosition,
+    event?.approval_role,
+    event?.approvalRole,
+    event?.previous_approval_stage,
+    event?.previousApprovalStage
+  ) || (returned ? '直属领导审批节点' : '直属领导')
+}
+
 function getRiskFlags(request) {
   const flags = request?.riskFlags || request?.risk_flags_json || []
   return Array.isArray(flags) ? flags : []
@@ -102,6 +138,8 @@ export function buildLeaderApprovalEvents(request) {
         request?.managerName
       ) || '直属领导'
       const time = formatDateTime(rawTime)
+      const dateLabel = formatDateLabel(rawTime) || '待记录'
+      const timeLabel = formatTimeLabel(rawTime)
       const opinion = normalizeText(event.opinion)
         || normalizeText(event.leader_opinion || event.leaderOpinion)
         || normalizeText(event.reason)
@@ -115,7 +153,10 @@ export function buildLeaderApprovalEvents(request) {
         tone: returned ? 'danger' : 'success',
         title: returned ? '领导退回' : '领导审批通过',
         operator,
+        role: resolveApprovalRole(event, returned),
         time,
+        dateLabel,
+        timeLabel,
         sortAt: rawTime,
         opinion,
         returnCount,