Method resolveTotalUsageForStreamEnd

src/node/services/streamManager.ts:968–981

(
    streamInfo: WorkspaceStreamInfo,
    totalUsage: LanguageModelV2Usage | undefined
  )

  }

  private resolveTotalUsageForStreamEnd(
    streamInfo: WorkspaceStreamInfo,
    totalUsage: LanguageModelV2Usage | undefined
  ): LanguageModelV2Usage | undefined {
    const cumulativeUsage = streamInfo.cumulativeUsage;
    if (
      (streamInfo.didRetryPreviousResponseIdAtStep || streamInfo.didRetryAfterEmptyOutput) &&
      hasTokenUsage(cumulativeUsage)
    ) {
      return cumulativeUsage;
    }

    return totalUsage;
  }

  private async backfillReasoningTokensFromParts(
    streamInfo: Pick<