chore: 初始化TikTok短剧后端项目基础架构

创建了完整的NestJS项目结构，包含配置文件、核心模块、工具类、拦截器、过滤器等基础代码，实现了健康检查、用户认证、管理员RBAC、剧集管理、订单支付、媒体管理等核心功能的基础框架，配置了ESLint、TypeScript、Jest等开发工具链。

src/modules/dramas/interfaces/drama-records.interface.ts

@@ -0,0 +1,51 @@
+import { PublishStatus } from '../drama-status.enum';
+
+export interface DramaRecord {
+  id: number;
+  tiktokAlbumId?: string;
+  title: string;
+  description?: string;
+  coverId?: number;
+  coverUrl: string;
+  portraitCoverUrl?: string;
+  landscapeCoverUrl?: string;
+  type: string;
+  tags: string[];
+  region?: string;
+  language?: string;
+  year?: number;
+  status: PublishStatus;
+  sortOrder: number;
+  isRecommended: boolean;
+  onlineVersion: number;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface EpisodeRecord {
+  id: number;
+  dramaId: number;
+  albumId: number;
+  tiktokEpisodeId?: string;
+  episodeNo: number;
+  seq: number;
+  title: string;
+  description?: string;
+  byteplusVid?: string;
+  coverId?: number;
+  coverUrl: string;
+  videoUrl?: string;
+  trialDurationSeconds?: number;
+  durationSeconds: number;
+  isPaid: boolean;
+  freeType: 'free' | 'paid';
+  unlockPrice?: number;
+  price: number;
+  publishAt?: string;
+  nextReleaseAt?: string;
+  status: PublishStatus;
+  reviewStatus: 'pending' | 'approved' | 'rejected';
+  publishStatus: PublishStatus;
+  createdAt: string;
+  updatedAt: string;
+}