- Update project overview in README.md and CLAUDE.md to reference Datomic
- Replace documentation links from XTDB to Datomic
- Update database layer descriptions from XTDB to Datomic
- Simplify configuration documentation (remove XTDB-specific connection details)
- Update data model to use Datomic entity/attribute naming conventions
- Update notes section to reference Datalog instead of XTQL
- Remove XTDB dependencies and test fixtures from test suite
- Simplify test utilities to work without XTDB test nodes
