feat(billing): ship pricing constants contract + refundCharge service#3775

Merged

PierreBrisorgueil merged 3 commits into

feat/billing-pricing-contract-and-refund-service

Jun 2, 2026

Commits on Jun 2, 2026

feat(billing): ship pricing constants contract + safe defaults in config/defaults/
PierreBrisorgueil
committed
feat(billing): add refundCharge service with deterministic idempotency key
PierreBrisorgueil
committed
fix(billing): address 3 CodeRabbit findings on pricing contract + refund service
PierreBrisorgueil
committed