fix: portal端token过期后自动跳转登录页，避免显示空数据

- portalAxios 401 响应拦截器：清除 token 并跳转 /portal/login
- PortalLayoutWrapper：检查 token 是否存在，不存在则跳转登录页
- 排除 /portal/login 和 /portal/auto-login 页面避免重复跳转

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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

backend/src/services/payroll.service.ts

@@ -638,6 +638,7 @@ export async function generatePayslipFromBatches(orgId: string, month: string) {
       where: { employeeId_month: { employeeId, month } },
       update: {
         baseSalary: Math.round(summary.baseSalary * 100) / 100,
+        performanceSalary: Math.round(summary.performanceSalary * 100) / 100,
         overtimePay: Math.round(summary.overtimePay * 100) / 100,
         allowance: Math.round(summary.allowance * 100) / 100,
         deduction: Math.round(summary.deduction * 100) / 100,
@@ -659,6 +660,7 @@ export async function generatePayslipFromBatches(orgId: string, month: string) {
         employeeId,
         month,
         baseSalary: Math.round(summary.baseSalary * 100) / 100,
+        performanceSalary: Math.round(summary.performanceSalary * 100) / 100,
         overtimePay: Math.round(summary.overtimePay * 100) / 100,
         allowance: Math.round(summary.allowance * 100) / 100,
         deduction: Math.round(summary.deduction * 100) / 100,