{
  "version": "0.1-demo",
  "merchant_id": "tinkra",
  "merchant_name": "Tinkra Agent Atelier",
  "mode": "test-only",
  "products": [
    {
      "sku": "trinket-001",
      "name": "The test trinket",
      "amount_minor": 100,
      "currency": "USD",
      "physical_fulfillment": false
    }
  ],
  "buyer_action": "Select the page's buy-now action, obtain a fresh offer through the configured LiteLLM A2A or MCP gateway, then present authorization evidence. The public page does not sign a mandate or contain payment credentials.",
  "payment_rails": ["ap2", "mpp", "x402"],
  "protocol_notice": "Test-only. AP2 uses a self-operated mandate profile (human approval, signed checkout and payment mandates, merchant and payment-verifier receipts) with Stripe test-mode cards; MPP uses Stripe test-mode Shared Payment Tokens; x402 settles test USDC on Base Sepolia. No live money moves."
}