Function createDoneChunk

testing/panel/src/lib/recording.ts:148–165

(
    finishReason: string | null,
    usage?: {
      promptTokens: number
      completionTokens: number
      totalTokens: number
    },
    model?: string,
    timestamp?: number,
    id?: string,
  )

  }

  const createDoneChunk = (
    finishReason: string | null,
    usage?: {
      promptTokens: number
      completionTokens: number
      totalTokens: number
    },
    model?: string,
    timestamp?: number,
    id?: string,
  ): StreamChunk => ({
    type: 'done',
    finishReason: normalizeFinishReason(finishReason),
    usage,
    model: model ?? 'unknown',
    timestamp: timestamp ?? Date.now(),
    id: id ?? `done-${Date.now()}`,
  })

  const createErrorChunk = (
    error: string,