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/export.routes.ts

@@ -9,6 +9,12 @@ import { Writable } from 'stream'
 
 const router = Router()
 
+// RFC 5987 编码中文文件名，兼容所有浏览器
+function contentDisposition(filename: string): string {
+  const encoded = encodeURIComponent(filename)
+  return `attachment; filename="${encoded}"; filename*=UTF-8''${encoded}`
+}
+
 // 敏感字段脱敏
 function maskIdCard(idCard: string | null): string | null {
   if (!idCard) return null
@@ -87,7 +93,7 @@ router.get('/all', authMiddleware, requireAdmin, async (req: AuthRequest, res: R
         }
       }
       res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
-      res.setHeader('Content-Disposition', `attachment; filename="export-${new Date().toISOString().slice(0, 10)}.xlsx"`)
+      res.setHeader('Content-Disposition', contentDisposition(`导出数据-${new Date().toISOString().slice(0, 10)}.xlsx`))
       await workbook.xlsx.write(res)
       res.end()
     } else {
@@ -95,10 +101,10 @@ router.get('/all', authMiddleware, requireAdmin, async (req: AuthRequest, res: R
       if (useGzip) {
         res.setHeader('Content-Encoding', 'gzip')
         res.setHeader('Content-Type', 'application/json')
-        res.setHeader('Content-Disposition', `attachment; filename="export-${new Date().toISOString().slice(0, 10)}.json.gz"`)
+        res.setHeader('Content-Disposition', contentDisposition(`导出数据-${new Date().toISOString().slice(0, 10)}.json.gz`))
       } else {
         res.setHeader('Content-Type', 'application/json')
-        res.setHeader('Content-Disposition', `attachment; filename="export-${new Date().toISOString().slice(0, 10)}.json"`)
+        res.setHeader('Content-Disposition', contentDisposition(`导出数据-${new Date().toISOString().slice(0, 10)}.json`))
       }
 
       const gzip = useGzip ? createGzip() : null
@@ -234,7 +240,145 @@ router.get('/payroll', authMiddleware, async (req: AuthRequest, res: Response, n
     totalRow.font = { bold: true }
 
     res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
-    res.setHeader('Content-Disposition', `attachment; filename="payroll-${month}.xlsx"`)
+    res.setHeader('Content-Disposition', contentDisposition(`薪税汇总-${month}.xlsx`))
+    await workbook.xlsx.write(res)
+    res.end()
+  } catch (err) {
+    next(err)
+  }
+})
+
+// 导出花名册 Excel（支持筛选）
+router.get('/roster', authMiddleware, async (req: AuthRequest, res: Response, next) => {
+  try {
+    const orgId = req.user!.orgId
+    const search = req.query.search as string | undefined
+    const status = req.query.status as string | undefined
+    const department = req.query.department as string | undefined
+    const contractStatus = req.query.contractStatus as string | undefined
+
+    const where: any = { orgId }
+    if (department) where.department = department
+    if (status === 'RESIGNED') {
+      where.status = 'RESIGNED'
+    } else if (status === 'ACTIVE') {
+      where.status = 'ACTIVE'
+    }
+    if (search) {
+      where.OR = [
+        { name: { contains: search } },
+        { department: { contains: search } },
+      ]
+    }
+
+    const employees = await prisma.employee.findMany({
+      where,
+      include: {
+        contracts: { orderBy: { createdAt: 'desc' }, take: 1 },
+      },
+      orderBy: { createdAt: 'desc' },
+    })
+
+    const workbook = new ExcelJS.Workbook()
+    const ws = workbook.addWorksheet('花名册')
+    ws.columns = [
+      { header: '姓名', key: 'name', width: 12 },
+      { header: '部门', key: 'department', width: 15 },
+      { header: '状态', key: 'status', width: 10 },
+      { header: '入职日期', key: 'hireDate', width: 12 },
+      { header: '合同起始', key: 'contractStart', width: 12 },
+      { header: '合同结束', key: 'contractEnd', width: 12 },
+      { header: '联系方式', key: 'phone', width: 15 },
+    ]
+    ws.getRow(1).font = { bold: true }
+
+    for (const e of employees) {
+      const contract = e.contracts[0]
+      ws.addRow({
+        name: e.name,
+        department: e.department,
+        status: e.status === 'ACTIVE' ? '在职' : e.status === 'RESIGNED' ? '离职' : '预入职',
+        hireDate: e.hireDate?.toISOString().slice(0, 10) || '',
+        contractStart: contract?.startDate?.toISOString().slice(0, 10) || '',
+        contractEnd: contract?.endDate?.toISOString().slice(0, 10) || '',
+        phone: e.phone || '',
+      })
+    }
+
+    res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
+    res.setHeader('Content-Disposition', contentDisposition(`花名册-${new Date().toISOString().slice(0, 10)}.xlsx`))
+    await workbook.xlsx.write(res)
+    res.end()
+  } catch (err) {
+    next(err)
+  }
+})
+
+// 导出解聘记录 Excel（支持筛选）
+router.get('/terminations', authMiddleware, async (req: AuthRequest, res: Response, next) => {
+  try {
+    const orgId = req.user!.orgId
+    const status = req.query.status as string | undefined
+    const department = req.query.department as string | undefined
+    const search = req.query.search as string | undefined
+
+    const where: any = { orgId }
+    if (status) where.status = status
+    if (department || search) {
+      where.employee = {}
+      if (department) where.employee.department = department
+      if (search) {
+        where.employee.OR = [
+          { name: { contains: search } },
+          { department: { contains: search } },
+        ]
+      }
+    }
+
+    const records = await prisma.terminationRecord.findMany({
+      where,
+      include: { employee: true },
+      orderBy: { updatedAt: 'desc' },
+    })
+
+    const workbook = new ExcelJS.Workbook()
+    const ws = workbook.addWorksheet('解聘记录')
+    ws.columns = [
+      { header: '员工姓名', key: 'name', width: 12 },
+      { header: '部门', key: 'department', width: 15 },
+      { header: '解聘类型', key: 'type', width: 12 },
+      { header: '解聘原因', key: 'reason', width: 20 },
+      { header: '解聘日期', key: 'terminationDate', width: 12 },
+      { header: '补偿金', key: 'compensation', width: 12 },
+      { header: '状态', key: 'status', width: 10 },
+      { header: '创建日期', key: 'createdAt', width: 12 },
+    ]
+    ws.getRow(1).font = { bold: true }
+
+    const reasonLabels: Record<string, string> = {
+      NEGOTIATED: '协商解除', FAULT: '过错解除', NONFAULT: '非过错解除',
+      LAYOFF: '经济性裁员', EXPIRED: '合同到期', ILLEGAL: '违法解除', RESIGNATION: '员工离职',
+    }
+    const statusLabels: Record<string, string> = {
+      DRAFT: '草稿', PENDING_APPROVAL: '待审批', APPROVED: '已审批',
+      REJECTED: '已驳回', EXECUTING: '执行中', COMPLETED: '已完成', CANCELLED: '已撤销',
+    }
+
+    for (const r of records) {
+      ws.addRow({
+        name: r.employee.name,
+        department: r.employee.department,
+        type: r.type === 'TERMINATION' ? '解聘' : '离职',
+        reason: reasonLabels[r.reason] || r.reason,
+        terminationDate: r.terminationDate?.toISOString().slice(0, 10) || '',
+        compensation: r.compensation || 0,
+        status: statusLabels[r.status] || r.status,
+        createdAt: r.createdAt?.toISOString().slice(0, 10) || '',
+      })
+    }
+
+    res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
+    res.setHeader('Content-Disposition', contentDisposition(`解聘记录-${new Date().toISOString().slice(0, 10)}.xlsx`))
     await workbook.xlsx.write(res)
     res.end()
   } catch (err) {