feat: 个人资料补充工号、女性岗位类型、专项附加扣除字段

- 后端 GET /profile 返回 employeeNo/femaleWorkerType/specialDeduction
- 后端 PUT /profile 支持更新 specialDeduction（员工自行填报）
- 前端只读区补充：工号、女性岗位类型（仅女性显示）
- 前端可编辑区补充：专项附加扣除（元/月）

backend/src/routes/portal.routes.ts

@@ -922,6 +922,9 @@ router.get('/profile', portalAuth, async (req: any, res, next) => {
         education: emp.education || '',
         city: emp.city || '',
         birthDate,
+        employeeNo: emp.employeeNo || '',
+        femaleWorkerType: emp.femaleWorkerType || '',
+        specialDeduction: emp.specialDeduction ?? 0,
       },
     })
   } catch (err) { next(err) }
@@ -937,6 +940,7 @@ router.put('/profile', portalAuth, async (req: any, res, next) => {
     const {
       emergencyContact, emergencyPhone, address,
       bankAccount, bankName, education, city,
+      specialDeduction,
     } = req.body
 
     // 构建更新数据（仅允许员工自行编辑的字段）
@@ -951,6 +955,10 @@ router.put('/profile', portalAuth, async (req: any, res, next) => {
     if (bankAccount !== undefined && bankAccount) {
       updateData.bankAccount = encrypt(bankAccount)
     }
+    // 专项附加扣除（子女教育、赡养老人等，员工自行填报）
+    if (specialDeduction !== undefined) {
+      updateData.specialDeduction = Number(specialDeduction) || 0
+    }
 
     await prisma.employee.update({ where: { id: employeeId }, data: updateData })