{"total_calls":0,"total_revenue_usd":0.0,"gasless_calls":0,"delta_calls":0,"revenue_by_category_usd":{},"calls_by_category":{},"top_demanded":[],"selected_product":null,"note":"Demand-driven product discovery: `selected_product` is the category agents pay the most for — your market-validated 'most valuable' product. Agents request a category via ?types=<name>."}