fix: 修复员工服务、报销单审批及前端交互细节

- 修复员工创建时组织架构关联与邮箱校验逻辑
- 修复报销单API端点参数及预审流程调用
- 优化审批中心、差旅详情等前端页面交互
- 更新侧边栏导航与请求视图模型
- 补充员工服务与报销单相关测试用例

web/src/composables/useRequests.js

@@ -112,7 +112,11 @@ function resolveApprovalMeta(status) {
     return { key: 'draft', label: '草稿', tone: 'draft' }
   }
 
-  if (['supplement', 'returned'].includes(normalized)) {
+  if (normalized === 'returned') {
+    return { key: 'supplement', label: '待提交', tone: 'warning' }
+  }
+
+  if (normalized === 'supplement') {
     return { key: 'supplement', label: '待补充', tone: 'warning' }
   }
 
@@ -128,6 +132,10 @@ function resolveApprovalMeta(status) {
 }
 
 function resolveWorkflowNode(claim, approvalMeta) {
+  if (String(claim?.status || '').trim().toLowerCase() === 'returned') {
+    return '待提交'
+  }
+
   const rawNode = String(claim?.approval_stage || '').trim()
 
   if (rawNode) {