feat: 20260805 系统优化 - 身份证复制fallback/薪税日期筛选/社保版本修复/证据链导出/违纪证明/医疗期政策/绩效类型评级/合同作废/帮助更新

backend/src/routes/employee.routes.ts

@@ -284,9 +284,33 @@ router.delete('/contracts/:contractId', authMiddleware, async (req: AuthRequest,
     if (!contract) {
       return res.status(404).json({ success: false, error: { code: 'NOT_FOUND', message: '合同不存在' } })
     }
-    await prisma.laborContract.delete({ where: { id: req.params.contractId } })
+    // 作废处理：设置结束日期为当前时间，保留记录但不物理删除
+    await prisma.laborContract.update({
+      where: { id: req.params.contractId },
+      data: { endDate: new Date() },
+    })
     const emp = await prisma.employee.findFirst({ where: { id: contract.employeeId }, select: { name: true } })
-    await auditLog(req, 'DELETE_CONTRACT', 'CONTRACT', req.params.contractId, { employeeName: emp?.name || '', employeeId: contract.employeeId, contractType: contract.contractType, startDate: contract.startDate, endDate: contract.endDate })
+    await auditLog(req, 'VOID_CONTRACT', 'CONTRACT', req.params.contractId, { employeeName: emp?.name || '', employeeId: contract.employeeId, contractType: contract.contractType, startDate: contract.startDate, endDate: contract.endDate })
+    res.json({ success: true })
+  } catch (err) {
+    next(err)
+  }
+})
+
+// 补充上传合同附件
+router.patch('/contracts/:contractId/attachment', authMiddleware, async (req: AuthRequest, res, next) => {
+  try {
+    const contract = await prisma.laborContract.findFirst({
+      where: { id: req.params.contractId, orgId: req.user!.orgId },
+    })
+    if (!contract) {
+      return res.status(404).json({ success: false, error: { code: 'NOT_FOUND', message: '合同不存在' } })
+    }
+    const { attachmentUrl } = req.body as { attachmentUrl: string }
+    await prisma.laborContract.update({
+      where: { id: req.params.contractId },
+      data: { attachmentUrl: attachmentUrl || null },
+    })
     res.json({ success: true })
   } catch (err) {
     next(err)