feat: 员工特殊状态台账（三期/工伤/医疗期）完整实现

backend/src/services/termination.service.ts

@@ -220,6 +220,21 @@ export async function createTermination(orgId: string, userId: string, data: any
     throw { code: 'NOT_FOUND', message: '员工不存在' }
   }
 
+  // 特殊状态拦截：三期/工伤/医疗期员工不得违法终止
+  const activeSpecialStatus = await (prisma as any).employeeSpecialStatus.findFirst({
+    where: { orgId, employeeId: data.employeeId, status: 'ACTIVE' },
+  })
+  if (activeSpecialStatus) {
+    const typeLabel = activeSpecialStatus.type === 'PREGNANCY' ? '三期（孕期/产期/哺乳期）'
+      : activeSpecialStatus.type === 'WORK_INJURY' ? '工伤'
+      : activeSpecialStatus.type === 'MEDICAL_PERIOD' ? '医疗期'
+      : '特殊状态'
+    throw {
+      code: 'SPECIAL_STATUS_BLOCK',
+      message: `该员工处于${typeLabel}期间，依法不得终止劳动合同。如需操作，请先在特殊状态台账中结束该状态记录。`,
+    }
+  }
+
   const { level } = assessRisk(employee, data.reason)
 
   return createTerminationRecord(