- Remove /oauth prefix from introspect endpoint to match SDK pattern
- Fix auth-server endpoints: /introspect not /oauth/introspect
- Update external-verifier to call correct introspect endpoint
- Add 30-day expiry to client registration (REDIS_EXPIRY_TIMES.CLIENT_REGISTRATION)
- Remove inaccurate scratch/ directory references from README
- Add backlinks from auth-server/README.md to main README sections
- Verified all implementation details against running servers and Redis data
- Updated Prerequisites with Redis setup (Docker Compose + OrbStack)
- Added comprehensive Authentication Modes section
- Added Testing with MCP Inspector section with step-by-step guides
- Updated Features to highlight dual mode support
- Updated Configuration with new environment variables
- Updated Development Commands with all new npm scripts
- Added architecture diagrams for both modes
- Referenced auth-server/README.md for detailed auth server info
All phases now completed - Mode 2 implementation ready for use!