Changelog

v0.1.0-alpha.1

Initial public alpha release.

original A2A Commerce Protocol v0.1 draft
Axum reference server with quote, checkout, payment confirmation, and order status endpoints
SQLx/Postgres persistence and initial migration set
secp256k1 request signing, timestamp checks, and nonce replay prevention
mock Lightning and on-chain payment adapters
Nostr capability, quote reference, and receipt event schema
local Docker setup, CI workflow, contribution policy, and issue templates