Authentication & Authorization (Comprehensive)

Complete guide for authentication and authorization across Eridu Services monorepo (backend and frontend).

erify_api-specific authorization (guards, JSONB roles, @StudioProtected, @AdminProtected): use erify-authorization instead — it has the concrete implementation details. This skill covers general principles and frontend auth patterns.

Table of Contents

1. General Principles
2. Authorization Levels
3. Backend Implementation
4. Frontend Implementation
5. Common Mistakes

General Principles