Method errorChanged

packages/ai-client/src/devtools.ts:1821–1824

(error: string | null)

    this.afterEmit()
  }
  override errorChanged(error: string | null): void {
    super.errorChanged(error)
    this.afterEmit()
  }
  override reloaded(fromMessageIndex: number): void {
    super.reloaded(fromMessageIndex)
    this.afterEmit()