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/api/attendance.ts

@@ -0,0 +1,168 @@
+import { apiRequestData } from "./http";
+
+export type AttendanceExemptionReason =
+  | "leave"
+  | "travel"
+  | "holiday"
+  | "weekend"
+  | "policy_disabled";
+
+export type AttendanceStatus =
+  | "normal"
+  | "late"
+  | "early_leave"
+  | "late_early_leave"
+  | "pending_clock_out"
+  | "missed"
+  | "leave"
+  | "travel"
+  | "holiday"
+  | "weekend";
+
+export type AttendanceRecordItem = {
+  id: string | null;
+  employeeId: string;
+  workDate: string;
+  clockInAt: string | null;
+  clockOutAt: string | null;
+  workMinutes: number | null;
+  isLate: boolean;
+  lateMinutes: number;
+  isEarlyLeave: boolean;
+  earlyMinutes: number;
+  note: string | null;
+  source: "web" | "mobile" | "admin" | null;
+  updatedAt: string | null;
+};
+
+export type AttendanceTodayResponse = {
+  workDate: string;
+  needClockIn: boolean;
+  exemptionReason: AttendanceExemptionReason | null;
+  item: AttendanceRecordItem | null;
+};
+
+export type AttendanceMonthItem = AttendanceRecordItem & {
+  attendanceStatus: AttendanceStatus;
+  needClockIn: boolean;
+  exemptionReason: AttendanceExemptionReason | null;
+};
+
+export type AttendanceMonthSummary = {
+  totalWorkDays: number;
+  clockedDays: number;
+  lateDays: number;
+  earlyLeaveDays: number;
+  missedDays: number;
+  totalWorkMinutes: number;
+};
+
+export type AttendanceMonthResponse = {
+  year: number;
+  month: number;
+  summary: AttendanceMonthSummary;
+  items: AttendanceMonthItem[];
+};
+
+export type AttendanceTeamItem = {
+  employeeId: string;
+  employeeName: string;
+  employeeNo: string;
+  title: string;
+  departmentId: string | null;
+  departmentName: string | null;
+  attendanceStatus: AttendanceStatus;
+  needClockIn: boolean;
+  exemptionReason: AttendanceExemptionReason | null;
+  clockInAt: string | null;
+  clockOutAt: string | null;
+  workMinutes: number | null;
+  note: string | null;
+  source: "web" | "mobile" | "admin" | null;
+};
+
+export type AttendancePolicy = {
+  id: string | null;
+  workStartTime: string;
+  workEndTime: string;
+  lunchStartTime: string;
+  lunchEndTime: string;
+  lateToleranceMinutes: number;
+  enabled: boolean;
+  createdAt: string | null;
+  updatedAt: string | null;
+  updatedBy: string | null;
+};
+
+export async function clockInAttendance(note?: string | null) {
+  return apiRequestData<{ item: AttendanceRecordItem }>("/api/attendance/clock-in", {
+    method: "POST",
+    body: JSON.stringify(note ? { note } : {}),
+  });
+}
+
+export async function clockOutAttendance(note?: string | null) {
+  return apiRequestData<{ item: AttendanceRecordItem }>("/api/attendance/clock-out", {
+    method: "POST",
+    body: JSON.stringify(note ? { note } : {}),
+  });
+}
+
+export async function fetchMyTodayAttendance() {
+  return apiRequestData<AttendanceTodayResponse>("/api/attendance/me/today");
+}
+
+export async function fetchMyMonthAttendance(params?: { year?: number; month?: number }) {
+  const search = new URLSearchParams();
+  if (params?.year) {
+    search.set("year", String(params.year));
+  }
+  if (params?.month) {
+    search.set("month", String(params.month));
+  }
+  const query = search.toString();
+  return apiRequestData<AttendanceMonthResponse>(`/api/attendance/me/month${query ? `?${query}` : ""}`);
+}
+
+export async function fetchTeamAttendance(params?: { date?: string; departmentId?: string }) {
+  const search = new URLSearchParams();
+  if (params?.date) {
+    search.set("date", params.date);
+  }
+  if (params?.departmentId) {
+    search.set("departmentId", params.departmentId);
+  }
+  const query = search.toString();
+  return apiRequestData<{ date: string; items: AttendanceTeamItem[] }>(`/api/attendance/team${query ? `?${query}` : ""}`);
+}
+
+export async function fetchAttendancePolicy() {
+  return apiRequestData<{ item: AttendancePolicy }>("/api/attendance/policy");
+}
+
+export async function updateAttendancePolicy(payload: {
+  workStartTime: string;
+  workEndTime: string;
+  lunchStartTime: string;
+  lunchEndTime: string;
+  lateToleranceMinutes: number;
+  enabled?: boolean;
+}) {
+  return apiRequestData<{ item: AttendancePolicy }>("/api/attendance/policy", {
+    method: "PUT",
+    body: JSON.stringify(payload),
+  });
+}
+
+export async function adminBackfillAttendance(payload: {
+  employeeId: string;
+  workDate: string;
+  clockInAt?: string | null;
+  clockOutAt?: string | null;
+  note?: string | null;
+}) {
+  return apiRequestData<{ item: AttendanceRecordItem }>("/api/attendance/admin/backfill", {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}