Personal-Test-Ground-Nest/src/FFB/ffb.gateway.ts

import { WebSocketGateway, WebSocketServer } from '@nestjs/websockets';
import { Server } from 'socket.io';

@WebSocketGateway({
  namespace: '/ffb',
  cors: { origin: '*' },
})
export class FFBGateway {
  @WebSocketServer()
  server: Server;

  /** Emits any intermediate output from the Agent (planning + execution) */
  emitAgentOutput(payload: any) {
    this.server.emit('agent.output', payload);
  }

  /** Emits any errors that occur during agent execution */
  emitError(payload: any) {
    this.server.emit('error', payload);
  }
}