VERSION=0.3
MERCHANT_ID=lane-payment-poc-001
PSP=stripe
STRIPE_CONNECT_ACCOUNT=acct_demo_merchant
PSP_FLOW=stripe_tokenize_then_payment_intent
QUOTE_ID=q_gumball_001
CURRENCY=USD
AMOUNT=50
EXPIRES_AT=2099-12-31T23:59:59Z
LANE_PAY_API=https://getonlane.com/api/ai-pay-dev
IDEMPOTENCY_KEY=q_gumball_001
SIG=base64url(hmac_sha256(MERCHANT_SHARED_SECRET, MERCHANT_ID|QUOTE_ID|AMOUNT|CURRENCY|EXPIRES_AT))

PLAYBOOK_1_METHOD=POST
PLAYBOOK_1_URL=https://merchant.example/api/cart/add
PLAYBOOK_1_HEADERS=Content-Type: application/json
PLAYBOOK_1_BODY={"sku":"GUMBALL","qty":{QTY}}

PLAYBOOK_2_METHOD=GET
PLAYBOOK_2_URL=https://merchant.example/api/cart/summary?cart_id={CART_ID}
PLAYBOOK_2_HEADERS=Accept: application/json