v2.5.0

assert annual price is a yearly Stripe interval before switching a merchant to annual billing

catch remaining fire-and-forget rejections in changeProductSubscription (crash)

charge path must read ANNUAL_PRICING directly, not plan.annual

make PaymentDesign abbreviation/acronym optional on create/update

send non-empty abbreviation/acronym to Voucher service on payment design create/update

stop unhandled-rejection pod crash from fire-and-forget partition creation

environment-aware annual pricing (sandbox ids in test-mode envs, live in prod)

expose merchant current billingCadence in the billing verify response

gift cards & gift certificates (closed-loop stored value)

use LIVE annual price ids + gate annual to production

wire real annual prices for the 21 industry plans