refactor(web): update composables, utils and scripts

- useRequests.js: update requests composable
- utils/requestViewModel.js: update request view model utility
- scripts/TravelRequestDetailView.js: update travel detail view script

web/src/composables/useRequests.js

@@ -353,6 +353,10 @@ function mapExpenseClaimToRequest(claim) {
     dept: String(claim?.department_name || '').trim() || '待补充',
     departmentName: String(claim?.department_name || '').trim() || '待补充',
     employeeName: String(claim?.employee_name || '').trim() || '待补充',
+    employeePosition: String(claim?.employee_position || '').trim(),
+    employeeGrade: String(claim?.employee_grade || '').trim(),
+    managerName: String(claim?.manager_name || '').trim(),
+    roleLabels: Array.isArray(claim?.role_labels) ? claim.role_labels.filter(Boolean) : [],
     entity: '',
     typeCode,
     typeLabel,