Streamlined Keycloak configurations with defaults for development and production in `.env`. Added health checks and improved environment variable documentation with comments to differentiate local and server deployments. Ensured compatibility with pre-built registry images.
- Marked Phase 3 of roadmap as complete and adjusted next steps.
- Added detailed report documenting the Sync type mismatch resolution.
- Commented out the `desktop-app` service from `dc-gui.yaml`.
