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

src/main.ts

@@ -1,13 +1,24 @@
+/**
+ * App main.
+ * @file Index 入口文件
+ * @module src/main
+ * @author zhxiao1124
+ */
+
 import "dotenv/config";
+import { Logger } from "@nestjs/common";
 import { NestFactory } from "@nestjs/core";
-import { AppModule } from "./app.module";
-import { bootstrapApp } from "./bootstrap";
+import { APP_CONFIG, OPTIONS_CONFIG } from "@config/app.config";
+import { AppModule } from "@src/app/app.module";
+import { bootstrapApp } from "@src/bootstrap";
+
+const logger = new Logger("AppLoader");
 
 async function bootstrap() {
-    const app = await NestFactory.create(AppModule);
+    const app = await NestFactory.create(AppModule, OPTIONS_CONFIG);
     bootstrapApp(app);
-    await app.listen(process.env.PORT ?? 3000);
-    console.log(`Application is running on: ${await app.getUrl()}`);
+    await app.listen(APP_CONFIG.PORT);
+    logger.log(`Application is running on: ${await app.getUrl()}`);
 }
 
 void bootstrap();