소개
This skill enables developers to autonomously build, secure, and debug robust FastAPI authentication systems using industry-standard patterns. It provides comprehensive support for JWT token handling, OAuth2 password flows with granular scope-based permissions, and seamless Supabase integration. Whether you are building role-based access control (RBAC), securing specific API endpoints, or troubleshooting authentication errors, this skill offers production-ready templates and validation scripts to ensure your backend follows security best practices like Argon2 hashing and least-privilege principles.