R59 A1-A6：极简考勤打卡

- 新增 AttendanceRecord 与 AttendancePolicy 模型
- 上下班打卡、今日状态、月度统计端点
- 考勤管理页面（我的/团队/设置三 Tab）
- 移动端快速打卡入口
- 管理员补卡与审计日志
- 单测覆盖打卡幂等、迟到计算、工时计算、权限边界

client/src/router/index.tsx

@@ -14,6 +14,7 @@ import {
   ApOperationsPage,
   ApprovalRulesPage,
   AnnouncementsPage,
+  AttendancePage,
   AssetRegistryPage,
   AuditLogsPage,
   CutoverConsolePage,
@@ -142,6 +143,11 @@ export function AppRouter() {
           }
         />
 
+        <Route
+          path="attendance"
+          element={withRouteFallback(<AttendancePage />)}
+        />
+
         <Route
           path="reimbursements"
           element={

client/src/router/lazy/AttendancePage.ts

@@ -0,0 +1 @@
+export { AttendancePage as default } from "../../pages/AttendancePage";

client/src/router/lazy/index.ts

@@ -1,6 +1,7 @@
 import { lazy } from "react";
 
 export const ApOperationsPage = lazy(() => import("./ApOperationsPage"));
+export const AttendancePage = lazy(() => import("./AttendancePage"));
 export const AuditLogsPage = lazy(() => import("./AuditLogsPage"));
 export const ApprovalRulesPage = lazy(() => import("./ApprovalRulesPage"));
 export const AssetRegistryPage = lazy(() => import("./AssetRegistryPage"));