# Explanation

Understanding-oriented documentation: concepts, architecture, and context.

## Contents

- [AI-powered workflows](ai-workflows.md) — Autonomous documentation, testing, and maintenance workflows
- [Authentication architecture](authentication.md) — How JWT, OAuth, and token refresh work
- [Configuration system](configuration-system.md) — Runtime configuration with database persistence
- [Dependency management](dependency-management.md) — Dependabot, auto-merge, and security practices
- [GCP hosting architecture](gcp-hosting-architecture.md) — Static site hosting with GCS and Cloud CDN
- [Modular API design](modular-api-design.md) — 🚧 Why TerrenoApp replaces setupServer
- [modelRouter actions](model-router-actions.md) — Named collection and instance operations on modelRouter