Method handleModelRefusalCompletion

src/node/services/streamManager.ts:1964–1988

(
    workspaceId: WorkspaceId,
    streamInfo: WorkspaceStreamInfo,
    refusalFinishReason: string,
    fallbackNote?: string
  )

  }

  private async handleModelRefusalCompletion(
    workspaceId: WorkspaceId,
    streamInfo: WorkspaceStreamInfo,
    refusalFinishReason: string,
    fallbackNote?: string
  ): Promise<void> {
    const workspaceLog = this.getWorkspaceLogger(workspaceId, streamInfo);
    const streamMeta = await this.getStreamMetadata(streamInfo);

    workspaceLog.error("Stream ended with a terminal refusal", {
      messageId: streamInfo.messageId,
      model: streamInfo.model,
      finishReason: streamInfo.terminalFinishReason,
      rawFinishReason: streamInfo.terminalRawFinishReason,
      durationMs: streamMeta.duration,
      partsCount: streamInfo.parts.length,
      fallbackNote,
    });

    await this.handleStreamFailure(
      workspaceId,
      streamInfo,
      new ModelRefusalError(streamInfo.model, refusalFinishReason, fallbackNote)
    );
  }

  private async getRefusalUsageSnapshot(streamInfo: WorkspaceStreamInfo): Promise<{
    usage?: LanguageModelV2Usage;