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/derive.ts

@@ -1,17 +1,25 @@
 import { VersionStatus } from './version-status';
 import type { Stage, Role } from './stage';
 
-interface VersionMember {
+export interface VersionMember {
   role: Role;
   name: string;
 }
 
-interface RoleProgress {
+export interface RoleProgress {
   role: Role;
   percent: number;
   daysSpent: number;
 }
 
+export type Priority = 'P0' | 'P1' | 'P2' | 'P3' | 'P4';
+
+export interface VersionLinks {
+  research?: string;
+  prototype?: string;
+  ui?: string;
+}
+
 interface ProductOverviewLike {
   id: string;
   name: string;
@@ -20,6 +28,7 @@ interface ProductOverviewLike {
     id: string; name: string; status?: string; releaseDate: string | null; createdAt: string;
     currentStage?: Stage; startDate?: string | null; expectedReleaseDate?: string | null;
     members?: VersionMember[]; progress?: RoleProgress[];
+    priority?: Priority; links?: VersionLinks;
   }[];
 }
 
@@ -41,12 +50,15 @@ export interface VersionWithContext {
   createdAt: string;
   productId: string;
   productName: string;
+  projectId: string;
   projectName: string;
   currentStage?: Stage;
   startDate?: string | null;
   expectedReleaseDate?: string | null;
   members?: VersionMember[];
   progress?: RoleProgress[];
+  priority?: Priority;
+  links?: VersionLinks;
 }
 
 export function flattenProjects(overview: ProductOverviewLike[]): ProjectWithContext[] {
@@ -60,6 +72,7 @@ export function flattenProjects(overview: ProductOverviewLike[]): ProjectWithCon
           status: (v.status || 'released') as VersionStatus,
           productId: product.id,
           productName: product.name,
+          projectId: project.id,
           projectName: project.name,
         }));
       result.push({
@@ -85,6 +98,7 @@ export function flattenVersions(overview: ProductOverviewLike[]): VersionWithCon
         status: (version.status || 'released') as VersionStatus,
         productId: product.id,
         productName: product.name,
+        projectId: project?.id || '',
         projectName: project?.name || '未关联',
       });
     }
@@ -96,3 +110,8 @@ export function getProjectDetail(overview: ProductOverviewLike[], projectId: str
   const projects = flattenProjects(overview);
   return projects.find((p) => p.id === projectId) || null;
 }
+
+export function getVersionDetail(overview: ProductOverviewLike[], versionId: string): VersionWithContext | null {
+  const versions = flattenVersions(overview);
+  return versions.find((v) => v.id === versionId) || null;
+}