## Summary
- New plan document at `docs/how-to/plans/deploy-authentik.md` covering full Authentik deployment
- 6 phases: Helm analysis, prerequisites (CNPG/Redis/1Password), Nix containers, kustomize manifests, networking, monitoring
- Authentik replaces Dex as the identity provider for central user management and multi-protocol SSO
- Updated plans index and how-to index
## Deployment and Testing
- [x] Pre-commit hooks pass (docs-check-links, docs-check-index, docs-check-frontmatter)
- [ ] Review plan content for accuracy and completeness
- No deployment needed — documentation only
Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/224
