Replace the incorrectly copied Barycenter (OIDC IdP) content with
accurate IPS project documentation including workspace structure,
build commands, error handling conventions, architecture overview,
and a pkg5 legacy compatibility reference mapping our docs and
implementation to the original pkg5 specifications.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Introduced `CLAUDE.md` to provide detailed project documentation, including architecture, configuration, and implementation details.
- Added build and testing instructions, focusing on `cargo` commands and `cargo-nextest` for improved testing workflow.
- Described application modules (`settings`, `storage`, `jwks`, `web`) and key features like PKCE, WebAuthn, and 2FA.
- Covered OpenID Connect, OAuth 2.0 endpoints, and claims handling (AMR/ACR).
- Documented admin API, WebAuthn client setup, OIDC conformance, and migration steps for existing deployments.
