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/requirement.ts

@@ -0,0 +1,103 @@
+import type { Priority } from './derive';
+
+export type RequirementStatus = 'pending_review' | 'adopted' | 'rejected' | 'planned' | 'developing' | 'testing' | 'released' | 'closed';
+export type Effort = 'S' | 'M' | 'L' | 'XL';
+export type SourceType = 'customer' | 'internal' | 'operation' | 'aftersale' | 'market' | 'competitor' | 'management';
+
+export interface DictItem {
+  id: string;
+  name: string;
+  createdAt: string;
+}
+
+export interface SourceTarget {
+  id: string;
+  name: string;
+  sourceType: SourceType;
+  createdAt: string;
+}
+
+export interface Requirement {
+  id: string;
+  code: string;
+  title: string;
+  description: string;
+  productId: string;
+  projectId?: string;
+  versionId?: string;
+  sourceType: SourceType;
+  sourceTarget: string;
+  platforms: string[];
+  typeId: string;
+  status: RequirementStatus;
+  priority: Priority;
+  effort: Effort;
+  currentStage?: string;
+  productOwner?: string;
+  creator: string;
+  createdAt: string;
+  parentId?: string;
+}
+
+export const SOURCE_TYPE_LABEL: Record<SourceType, string> = {
+  customer: '客户',
+  internal: '内部',
+  operation: '运营',
+  aftersale: '售后',
+  market: '市场',
+  competitor: '竞品',
+  management: '管理层',
+};
+
+export const SOURCE_TARGET_LABEL: Record<SourceType, string> = {
+  customer: '来源客户',
+  internal: '提出部门',
+  operation: '提出部门',
+  aftersale: '提出部门',
+  market: '来源渠道',
+  competitor: '竞品名称',
+  management: '提出人',
+};
+
+export const REQ_STATUS_LABEL: Record<RequirementStatus, string> = {
+  pending_review: '待评审',
+  adopted: '已采纳',
+  rejected: '已拒绝',
+  planned: '已规划',
+  developing: '开发中',
+  testing: '测试中',
+  released: '已上线',
+  closed: '已关闭',
+};
+
+export const REQ_STATUS_COLOR: Record<RequirementStatus, string> = {
+  pending_review: 'bg-zinc-100 text-zinc-700 border border-zinc-200',
+  adopted: 'bg-emerald-50 text-emerald-700 border border-emerald-200',
+  rejected: 'bg-red-50 text-red-600 border border-red-200',
+  planned: 'bg-blue-50 text-blue-700 border border-blue-200',
+  developing: 'bg-indigo-50 text-indigo-700 border border-indigo-200',
+  testing: 'bg-purple-50 text-purple-700 border border-purple-200',
+  released: 'bg-emerald-50 text-emerald-700 border border-emerald-200',
+  closed: 'bg-zinc-50 text-zinc-500 border border-zinc-200',
+};
+
+export const EFFORT_LABEL: Record<Effort, string> = {
+  S: 'S (1-2天)',
+  M: 'M (3-5天)',
+  L: 'L (5-10天)',
+  XL: 'XL (10+天)',
+};
+
+export const EFFORT_SHORT: Record<Effort, string> = {
+  S: 'S',
+  M: 'M',
+  L: 'L',
+  XL: 'XL',
+};
+
+export const EFFORT_COLOR: Record<Effort, string> = {
+  S: 'bg-emerald-50 text-emerald-700',
+  M: 'bg-blue-50 text-blue-700',
+  L: 'bg-orange-50 text-orange-700',
+  XL: 'bg-red-50 text-red-700',
+};