This directory records major architecture decisions for Nova Rewards. Each ADR uses the same lightweight structure:
| ADR | Decision |
|---|---|
| 0001 | Layered PWA and Express API |
| 0002 | PostgreSQL system of record with Redis operational cache |
| 0003 | Stellar and Soroban for reward settlement |
| 0004 | Idempotent asynchronous reward issuance |
| 0005 | Modular Soroban contracts with explicit cross-contract calls |
| 0006 | Compose for staging and Helm on AWS for production |