Headless multi-application, multi-tenant user management engine.

## Development

```bash
make test
```

See `docs/development.md`, `docs/configuration.md`, `docs/contracts.md`,
`docs/canon-mapping.md`, `docs/canon-interface-card.yaml`,
`docs/evidence-gap-examples.md`, `docs/family-dataspace-onboarding.md`,
`docs/examples.md`, `docs/scenarios.md`,
`docs/operability.md`, `docs/release.md`, `docs/ui-contracts.md`,
`docs/identity-domain-naming-decision.md`, and `docs/final-assessment.md`
for implementation boundaries, contracts, canon mappings, examples, and release
readiness.