feat: 初始化 FTB 智能项目管理系统 monorepo 项目结构

包含 Turborepo 配置、Next.js 前端骨架、NestJS 后端骨架、Prisma Schema、
共享类型包、Docker Compose 和环境变量模板。

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

packages/shared/src/enums.ts

@@ -0,0 +1,22 @@
+export enum TaskStatus {
+  TODO = 'todo',
+  IN_PROGRESS = 'in_progress',
+  IN_REVIEW = 'in_review',
+  DONE = 'done',
+  CLOSED = 'closed',
+}
+
+export enum ProjectRole {
+  OWNER = 'owner',
+  ADMIN = 'admin',
+  MEMBER = 'member',
+  VIEWER = 'viewer',
+}
+
+export enum RequirementStatus {
+  DRAFT = 'draft',
+  REVIEWING = 'reviewing',
+  APPROVED = 'approved',
+  REJECTED = 'rejected',
+  DELIVERED = 'delivered',
+}