feat: 工作日历/考勤管理重构/AI人力报告/工作台员工分布/筛选优化/导入导出增强

- 新增工作日历页面（月历视图、事件管理、自定义事件）
- 考勤管理重构为6 Tab模块（班次/排班/每日出勤/月度报表/休假记录）
- AI顾问新增人力报告Tab，支持流式生成+Word导出
- 工作台总览新增员工分布统计（性别/年龄/学历/司龄饼图）+部门成本拆分
- 花名册/合同/解聘补偿新增部门和状态筛选
- 薪税管理新增工资表导入模板下载、银行代发CSV导出
- 社保公积金支持多公积金账户类型显示
- 数据导出新增花名册/解聘记录导出，中文文件名编码修复
- 数据导入新增模板下载（员工/增减员/工资表）+错误日志导出
- 移除工作台日历卡片（已迁移至独立工作日历页面）
- 新增20260728/20260729更新测试指导文档

backend/src/routes/payroll.routes.ts

@@ -576,4 +576,96 @@ router.post('/tax-preview', async (req: AuthRequest, res: Response, next: NextFu
   }
 })
 
+// ========== 薪资汇总表 & 明细表 ==========
+
+// 薪资汇总表（按部门维度统计）
+router.get('/batch/:id/summary', async (req: AuthRequest, res: Response, next: NextFunction) => {
+  try {
+    const batch = await prisma.payrollBatch.findFirst({
+      where: { id: req.params.id, orgId: req.user!.orgId },
+    })
+    if (!batch) return res.status(404).json({ success: false, error: { code: 'NOT_FOUND', message: '批次不存在' } })
+
+    const entries = await prisma.batchEntry.findMany({
+      where: { batchId: req.params.id },
+      include: { employee: { select: { id: true, name: true, department: true } } },
+    })
+
+    // 按部门汇总
+    const deptMap = new Map<string, any>()
+    for (const e of entries) {
+      const dept = e.employee.department || '未分配'
+      if (!deptMap.has(dept)) {
+        deptMap.set(dept, { department: dept, headcount: 0, totalPay: 0, totalNetPay: 0, totalSocialEmp: 0, totalSocialOrg: 0, totalHousingEmp: 0, totalHousingOrg: 0, totalTax: 0 })
+      }
+      const d = deptMap.get(dept)
+      d.headcount++
+      d.totalPay += e.totalPay
+      d.totalNetPay += e.netPay
+      d.totalSocialEmp += e.socialEmp
+      d.totalSocialOrg += e.socialOrg
+      d.totalHousingEmp += e.housingEmp
+      d.totalHousingOrg += e.housingOrg
+      d.totalTax += e.tax
+    }
+
+    const departments = Array.from(deptMap.values())
+    const grandTotal = {
+      headcount: entries.length,
+      totalPay: entries.reduce((s, e) => s + e.totalPay, 0),
+      totalNetPay: entries.reduce((s, e) => s + e.netPay, 0),
+      totalSocialEmp: entries.reduce((s, e) => s + e.socialEmp, 0),
+      totalSocialOrg: entries.reduce((s, e) => s + e.socialOrg, 0),
+      totalHousingEmp: entries.reduce((s, e) => s + e.housingEmp, 0),
+      totalHousingOrg: entries.reduce((s, e) => s + e.housingOrg, 0),
+      totalTax: entries.reduce((s, e) => s + e.tax, 0),
+    }
+
+    res.json({ success: true, data: { batch, departments, grandTotal } })
+  } catch (err) { next(err) }
+})
+
+// 薪资明细表（全员明细）
+router.get('/batch/:id/detail', async (req: AuthRequest, res: Response, next: NextFunction) => {
+  try {
+    const batch = await prisma.payrollBatch.findFirst({
+      where: { id: req.params.id, orgId: req.user!.orgId },
+    })
+    if (!batch) return res.status(404).json({ success: false, error: { code: 'NOT_FOUND', message: '批次不存在' } })
+
+    const entries = await prisma.batchEntry.findMany({
+      where: { batchId: req.params.id },
+      include: { employee: { select: { id: true, name: true, department: true, phone: true } } },
+      orderBy: { employee: { department: 'asc' } },
+    })
+
+    const details = entries.map(e => ({
+      employeeId: e.employeeId,
+      name: e.employee.name,
+      department: e.employee.department,
+      phone: e.employee.phone,
+      baseSalary: e.baseSalary,
+      positionSalary: e.positionSalary,
+      performanceSalary: e.performanceSalary,
+      senioritySalary: e.senioritySalary,
+      overtimePay: e.overtimePay,
+      transportAllowance: e.transportAllowance,
+      mealAllowance: e.mealAllowance,
+      housingAllowance: e.housingAllowance,
+      communicationAllowance: e.communicationAllowance,
+      allowance: e.allowance,
+      bonus: e.bonus,
+      deduction: e.deduction,
+      otherDeduction: e.otherDeduction,
+      socialEmp: e.socialEmp,
+      housingEmp: e.housingEmp,
+      tax: e.tax,
+      totalPay: e.totalPay,
+      netPay: e.netPay,
+    }))
+
+    res.json({ success: true, data: { batch, details } })
+  } catch (err) { next(err) }
+})
+
 export default router