# Architecture Specification

## 1. Single Non-Negotiable Tech Stack
- **Language:** TypeScript (strict mode)
- **Backend Framework:** Node.js / Express
- **Frontend Framework:** React / Next.js
- **Database:** PostgreSQL
- **ORM:** Prisma

## 2. Directory Structure Tree
```
.
├── src/
│   ├── controllers/
│   ├── routes/
│   ├── services/
│   └── models/
├── tests/
├── .ai_agency/
├── Dockerfile
├── docker-compose.yml
└── .env.example
```

## 3. State Management Strategy
- Centralized JSON-based persistence via .ai_agency/memory/state.json with atomic checkpointing and resume mode.

## 4. Deployment / Docker Architecture
- Multi-stage Docker builds with non-root user execution and isolated container networking.