feat: 实现需求管理、加班记录、成员/角色管理模块

- 需求模块：完整 CRUD、状态流转（采纳/拒绝/关闭）、详情抽屉、产品→项目级联选择
- 加班记录：产品→项目→版本三级联动、月份筛选（MonthPicker）、CSV 导出
- 成员管理：左右布局（部门树+成员列表）、手机号脱敏、初始密码自动生成及规则设置
- 角色管理：卡片列表、系统角色保护、CRUD
- 通用组件：FilterSelect 下拉、MonthPicker 月份选择器、Pagination 分页
- 样式统一：状态标签加 border、日期输入现代化、筛选组件风格一致

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/web/lib/risk.ts

@@ -0,0 +1,95 @@
+import type { RoleProgress } from './derive';
+
+export type RiskLevel = 'low' | 'medium' | 'high';
+export type DelayStatus = 'normal' | 'warning' | 'delayed';
+
+const DELAY_WARNING_DAYS = 3;
+
+export function calcOverallProgress(progress?: RoleProgress[]): number {
+  if (!progress || progress.length === 0) return 0;
+  const sum = progress.reduce((s, p) => s + p.percent, 0);
+  return Math.round(sum / progress.length);
+}
+
+export function calcDelayStatus(
+  status: string,
+  expectedReleaseDate?: string | null,
+): DelayStatus {
+  if (status === 'released' || status === 'closed') return 'normal';
+  if (!expectedReleaseDate) return 'normal';
+
+  const now = new Date();
+  now.setHours(0, 0, 0, 0);
+  const deadline = new Date(expectedReleaseDate);
+  deadline.setHours(0, 0, 0, 0);
+
+  const diffDays = (deadline.getTime() - now.getTime()) / (1000 * 60 * 60 * 24);
+
+  if (diffDays < 0) return 'delayed';
+  if (diffDays <= DELAY_WARNING_DAYS) return 'warning';
+  return 'normal';
+}
+
+export function calcRiskLevel(
+  status: string,
+  startDate?: string | null,
+  expectedReleaseDate?: string | null,
+  progress?: RoleProgress[],
+): RiskLevel {
+  if (status === 'released' || status === 'closed') return 'low';
+  if (status === 'paused') return 'medium';
+
+  const delayStatus = calcDelayStatus(status, expectedReleaseDate);
+  if (delayStatus === 'delayed') return 'high';
+
+  if (!startDate || !expectedReleaseDate) return 'low';
+
+  const now = new Date();
+  now.setHours(0, 0, 0, 0);
+  const start = new Date(startDate);
+  start.setHours(0, 0, 0, 0);
+  const end = new Date(expectedReleaseDate);
+  end.setHours(0, 0, 0, 0);
+
+  const totalDuration = end.getTime() - start.getTime();
+  if (totalDuration <= 0) return 'low';
+
+  const elapsed = now.getTime() - start.getTime();
+  const timeProgress = Math.min(100, Math.max(0, (elapsed / totalDuration) * 100));
+  const actualProgress = calcOverallProgress(progress);
+  const gap = timeProgress - actualProgress;
+
+  if (gap >= 40) return 'high';
+  if (gap >= 20 || delayStatus === 'warning') return 'medium';
+  return 'low';
+}
+
+export const RISK_LABEL: Record<RiskLevel, string> = {
+  low: '低',
+  medium: '中',
+  high: '高',
+};
+
+export const RISK_COLOR: Record<RiskLevel, string> = {
+  low: 'text-emerald-600',
+  medium: 'text-amber-600',
+  high: 'text-red-600',
+};
+
+export const RISK_DOT: Record<RiskLevel, string> = {
+  low: 'bg-emerald-500',
+  medium: 'bg-amber-500',
+  high: 'bg-red-500',
+};
+
+export const DELAY_LABEL: Record<DelayStatus, string> = {
+  normal: '正常',
+  warning: '即将延期',
+  delayed: '已延期',
+};
+
+export const DELAY_COLOR: Record<DelayStatus, string> = {
+  normal: 'bg-emerald-50 text-emerald-700',
+  warning: 'bg-amber-50 text-amber-700',
+  delayed: 'bg-red-50 text-red-700',
+};