规定数据类型

server/src/app.module.ts

@@ -0,0 +1,29 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { PersistenceModule } from './persistence/persistence.module';
+import { ChatModule } from './modules/chat/chat.module';
+import { CharacterModule } from './modules/character/character.module';
+import { LLMModule } from './modules/llm/llm.module';
+import { ImportExportModule } from './modules/import-export/import-export.module';
+import { WorkflowModule } from './modules/workflow/workflow.module';
+
+@Module({
+  imports: [
+    // 配置模块
+    ConfigModule.forRoot({
+      isGlobal: true,
+      envFilePath: ['.env.local', '.env'],
+    }),
+    
+    // 持久化层
+    PersistenceModule,
+    
+    // 业务模块
+    ChatModule,
+    CharacterModule,
+    LLMModule,
+    ImportExportModule,
+    WorkflowModule,
+  ],
+})
+export class AppModule {}

server/src/main.ts

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+import { NestFactory } from '@nestjs/core';
+import { ValidationPipe } from '@nestjs/common';
+import { AppModule } from './app.module';
+import { HttpExceptionFilter } from './core/filters/http-exception.filter';
+import { LoggingInterceptor, ResponseInterceptor } from './core/interceptors';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+
+  // 全局前缀
+  app.setGlobalPrefix('api');
+
+  // CORS 配置
+  app.enableCors({
+    origin: process.env.FRONTEND_URL || 'http://localhost:5173',
+    credentials: true,
+  });
+
+  // 全局验证管道
+  app.useGlobalPipes(
+    new ValidationPipe({
+      whitelist: true,
+      transform: true,
+      forbidNonWhitelisted: true,
+    }),
+  );
+
+  // 全局异常过滤器
+  app.useGlobalFilters(new HttpExceptionFilter());
+
+  // 全局拦截器
+  app.useGlobalInterceptors(new LoggingInterceptor());
+  app.useGlobalInterceptors(new ResponseInterceptor());
+
+  const port = process.env.PORT || 3000;
+  await app.listen(port);
+  
+  console.log(`🚀 Server is running on http://localhost:${port}`);
+}
+
+bootstrap();

server/src/persistence/persistence.module.ts

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+import { Module, Global } from '@nestjs/common';
+import { FileSystemRepository } from './file-system/file-system.repository';
+
+@Global()
+@Module({
+  providers: [FileSystemRepository],
+  exports: [FileSystemRepository],
+})
+export class PersistenceModule {}