Function readCostByCampaign

scripts/telemetry-stats.js:162–187

* Aggregate costs by campaign slug. * Returns a map of campaign slug -> { sessions, total_cost, agents_spawned, total_minutes, tokens }. * Sessions with no campaign_slug are grouped under "_unattached". * * Cost priority: override_cost > real_cost > estimated_cost * * @returns {Object<string,

()

 *   total_minutes:number, input_tokens:number, output_tokens:number, has_real_data:boolean}>}
 */
function readCostByCampaign() {
  const events = readSessionCosts();
  const result = {};

  for (const e of events) {
    const slug = e.campaign_slug || '_unattached';
    if (!result[slug]) {
      result[slug] = {
        sessions: 0, total_cost: 0, agents_spawned: 0, total_minutes: 0,
        input_tokens: 0, output_tokens: 0, has_real_data: false,
      };
    }
    const r = result[slug];
    r.sessions++;
    r.total_cost += bestCost(e);
    r.agents_spawned += (e.agent_count || 0);
    r.total_minutes += (e.duration_minutes || 0);
    if (typeof e.input_tokens === 'number') {
      r.input_tokens += e.input_tokens;
      r.output_tokens += (e.output_tokens || 0);
      r.has_real_data = true;
    }
  }

  return result;
}

/**
 * Get total spend across all campaigns.