fix: harden crypto input validation (#30)

fix: enable OIDC auth for npm trusted publishing (#27)

docs: enhance README with setup, config, and troubleshooting (#18)

feat: add AsyncDisposable support for automatic lock cleanup (#13)

refactor: separate postgres schema setup from backend creation (#12)

fix: add missing `createLock()` to postgres module; clean up (#11)

feat: add PostgreSQL backend with transaction-based locking (#10)

docs: add normative type specs, duplicate detection, and enhanced tel… (

#9)

refactor: standardize key generation, fence format (#7)

refactor: standardize key generation, fence format