feat: 使用 PubSub 进行消息广播。

src/pipeline-tasks/pipeline-tasks.resolver.ts

@@ -5,6 +5,7 @@ import { CreatePipelineTaskInput } from './dtos/create-pipeline-task.input';
 import { PipelineTaskLogMessage } from './models/pipeline-task-log-message.module';
 import { PipelineTaskLogArgs } from './dtos/pipeline-task-log.args';
 import { PipelineTaskLogsService } from './pipeline-task-logs.service';
+import { plainToClass } from 'class-transformer';
 
 @Resolver()
 export class PipelineTasksResolver {
@@ -20,7 +21,8 @@ export class PipelineTasksResolver {
 
   @Subscription(() => PipelineTaskLogMessage, {
     resolve: (value) => {
-      return value;
+      const data = plainToClass(PipelineTaskLogMessage, value);
+      return data;
     },
   })
   async pipelineTaskLog(@Args() args: PipelineTaskLogArgs) {