Method updateUsageStateFromModelUsage

src/node/services/agentSession.ts:3028–3059

(params: {
    model: string;
    usage: LanguageModelV2Usage | undefined;
    providerMetadata?: Record<string, unknown>;
    live: boolean;
  })

  }

  private updateUsageStateFromModelUsage(params: {
    model: string;
    usage: LanguageModelV2Usage | undefined;
    providerMetadata?: Record<string, unknown>;
    live: boolean;
  }): void {
    if (!params.usage) {
      return;
    }

    const usageForDisplay = createDisplayUsage(params.usage, params.model, params.providerMetadata);
    if (!usageForDisplay) {
      return;
    }

    const totalTokens = params.usage.totalTokens ?? this.lastUsageState?.totalTokens;
    if (params.live) {
      this.lastUsageState = {
        ...this.lastUsageState,
        liveUsage: usageForDisplay,
        totalTokens,
      };
      return;
    }

    this.lastUsageState = {
      ...this.lastUsageState,
      lastContextUsage: usageForDisplay,
      liveUsage: undefined,
      totalTokens,
    };
  }

  private clearLiveUsageState(): void {
    if (!this.lastUsageState?.liveUsage) {