refactor: 统一实体类命名规范并完善模板执行进度查询功能

- 统一所有实体类添加Entity后缀保持命名一致性
- 重命名User->UserEntity, PlatformUser->PlatformUserEntity等
- 更新所有实体间关联引用和Repository注入
- 新增模板执行进度查询接口GET /templates/execution/:taskId/progress
- 新增用户执行任务列表查询接口GET /templates/executions/user/:userId
- 完善数据库配置支持环境变量动态配置
- 添加class-validator和class-transformer依赖支持数据验证

src/app.module.ts

@@ -1,17 +1,41 @@
 import { Module } from '@nestjs/common';
+import { ConfigModule, ConfigService } from '@nestjs/config';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { AppController } from './app.controller';
 import { TemplateService } from './templates/index';
 import { TemplateManager } from './templates/types';
-import { typeOrmConfig } from './config/database.config';
+import { databaseConfig } from './config/database.config';
 import { N8nTemplateEntity } from './entities/n8n-template.entity';
+import { TemplateExecutionEntity } from './entities/template-execution.entity';
+import { UserEntity } from './entities/user.entity';
+import { PlatformUserEntity } from './entities/platform-user.entity';
+import { ExtensionDataEntity } from './entities/extension-data.entity';
+import { UserCreditEntity } from './entities/user-credit.entity';
+import { UserSubscriptionEntity } from './entities/user-subscription.entity';
+import { AdWatchEntity } from './entities/ad-watch.entity';
 import { N8nTemplateFactoryService } from './services/n8n-template-factory.service';
 import { TemplateController } from './controllers/template.controller';
 
 @Module({
   imports: [
-    TypeOrmModule.forRoot(typeOrmConfig),
-    TypeOrmModule.forFeature([N8nTemplateEntity])
+    ConfigModule.forRoot({
+      isGlobal: true,
+      envFilePath: ['.env.local', '.env'],
+    }),
+    TypeOrmModule.forRootAsync({
+      inject: [ConfigService],
+      useFactory: (configService: ConfigService) => databaseConfig(configService),
+    }),
+    TypeOrmModule.forFeature([
+      N8nTemplateEntity,
+      TemplateExecutionEntity,
+      UserEntity,
+      PlatformUserEntity,
+      ExtensionDataEntity,
+      UserCreditEntity,
+      UserSubscriptionEntity,
+      AdWatchEntity
+    ])
   ],
   controllers: [AppController, TemplateController],
   providers: [