refactor: 完成项目整体目录重构与路径别名配置

1.  重构项目文件结构，统一文件存放位置与命名规则
2.  配置tsconfig路径别名，替换原有相对路径导入
3.  迁移drama-status枚举到dramas.types统一管理
4.  新增全局配置文件与工具类，补充完整注释与文档
5.  修复所有导入路径与依赖引用问题

test/database-persistence.e2e-spec.ts

@@ -1,10 +1,10 @@
-import { AdminService } from '../src/modules/admin/admin.service';
-import { DataService } from '../src/modules/data/data.service';
-import { TikTokDataProvider } from '../src/modules/data/providers/tiktok-data.provider';
-import { PublishStatus } from '../src/modules/dramas/drama-status.enum';
-import { DramasService } from '../src/modules/dramas/dramas.service';
-import { LogsService } from '../src/modules/logs/logs.service';
-import { UsersService } from '../src/modules/users/users.service';
+import { AdminService } from '../src/admin/admin.service';
+import { DataService } from '../src/data/data.service';
+import { TikTokDataProvider } from '../src/data/data.provider';
+import { PublishStatus } from '../src/dramas/dramas.types';
+import { DramasService } from '../src/dramas/dramas.service';
+import { LogsService } from '../src/logs/logs.service';
+import { UsersService } from '../src/users/users.service';
 
 function createRepository<T extends { id?: number }>() {
   const records: T[] = [];