- Created detailed implementation plan with technical context
- Developed data models for GarthToken, MFAChallenge, and UserSession entities
- Defined API contracts for MFA authentication flow
- Created quickstart guide for implementation
- Updated agent context with new technology stack
- Verified constitution compliance for all design decisions
- Define user stories for MFA authentication support
- Specify requirements for garth token management
- Define success criteria for MFA implementation
- Create quality checklist for specification validation
