Add field_validator to Settings.cors_origins to support comma-separated string input in addition to list format, enabling flexible configuration through environment variables
Add complete NexaFabric project structure including: - FastAPI backend with SQLAlchemy models, JWT auth, RBAC, audit logging, and provider interfaces - React + TypeScript frontend with Vite, Tailwind CSS, TanStack Query, and Zustand - Docker Compose configuration for PostgreSQL, Redis, API, worker, frontend, and nginx - GitHub Actions and GitLab CI workflows for testing, linting, building, and security scanning - Environment