Function totalUsage

packages/agent-core/src/agent/usage/index.ts:73–79

(byModel: Record<string, TokenUsage>)

}

function totalUsage(byModel: Record<string, TokenUsage>): TokenUsage | undefined {
  let total: TokenUsage | undefined;
  for (const usage of Object.values(byModel)) {
    total = total === undefined ? copyUsage(usage) : addUsage(total, usage);
  }
  return total;
}