Spec Backend Auth Basic

This skill is an orchestrator. It exists to deterministically guide the creation or evolution of the backend authentication foundation and database without reimplementing the detailed work of the catalog's specialized skills.

The focus of this first version is only:

• backend
• domain
• persistence
• database
• JWT authentication
• shared NestJS infrastructure for authenticated routes

Do not include frontend by default.

Objective

Build the application's backend authentication foundation in a specification-driven way, coordinating a predictable sequence of smaller skills to deliver: