message: Also store the main PID in the `ipc.run` file
diff: @@ -44,7 +44,7 @@ export class LocalHttpServer implements Disposable {
  this.#port = (<net.AddressInfo> address).port;
  this._log.info(`Local HTTP IPC server running on ${this.getLocalUrlBase()}`);
  - fs.writeFileSync(this.#ipcFilePath, this.getLocalUrlBase(), {encoding: "UTF8"});
  + fs.writeFileSync(this.#ipcFilePath, `${process.pid}\n${this.getLocalUrlBase()}`, {encoding: "UTF8"});
  resolve();
  });
  