# Architecture Overview

This document serves as a critical, living template designed to equip agents with a rapid and comprehensive understanding of the codebase's architecture, enabling efficient navigation and effective contribution from day one. Update this document as the codebase evolves.

## 1. Project Structure

This section provides a high-level overview of the project's directory and file structure, categorised by architectural layer or major functional area.

```
[Project Root]/
├── [Add your project structure here]
```

## 2. High-Level System Diagram

Provide a simple diagram showing major components and their interactions. Focus on data flow and key boundaries.

```
[User] <--> [Component] <--> [Component] <--> [Data Store]
```

## 3. Core Components

List and describe the main components of the system.

### 3.1. Frontend

**Name:** [e.g., Web App, Mobile App]

**Description:** [Describe primary purpose and key functionalities]

**Technologies:** [e.g., React, Vue.js, Angular, React Native]

**Deployment:** [e.g., Vercel, Netlify, S3/CloudFront]

### 3.2. Backend Services

#### 3.2.1. [Service Name]

**Name:** [e.g., API Service, User Service]

**Description:** [Describe purpose]

**Technologies:** [e.g., Node.js, Python, Java, Go]

**Deployment:** [e.g., AWS, Kubernetes, Cloud Run]

## 4. Data Stores

List databases and persistent storage solutions.

### 4.1. [Data Store Name]

**Name:** [e.g., Primary Database, Cache]

**Type:** [e.g., PostgreSQL, MongoDB, Redis]

**Purpose:** [Describe what data it stores and why]

**Key Schemas/Collections:** [List main tables/collections]

## 5. External Integrations / APIs

List third-party services and external APIs.

**Service Name:** [e.g., Stripe, SendGrid]

**Purpose:** [e.g., Payment processing]

**Integration Method:** [e.g., REST API, SDK]

## 6. Deployment & Infrastructure

**Cloud Provider:** [e.g., AWS, GCP, Azure]

**Key Services Used:** [e.g., EC2, Lambda, Kubernetes]

**CI/CD Pipeline:** [e.g., GitHub Actions, GitLab CI]

**Monitoring & Logging:** [e.g., Prometheus, CloudWatch]

## 7. Security Considerations

**Authentication:** [e.g., OAuth2, JWT, API Keys]

**Authorization:** [e.g., RBAC, ACLs]

**Data Encryption:** [e.g., TLS in transit, AES-256 at rest]

**Key Security Tools/Practices:** [e.g., WAF, security audits]

## 8. Development & Testing Environment

**Local Setup Instructions:** [Link or brief steps]

**Testing Frameworks:** [e.g., Jest, Pytest, JUnit]

**Code Quality Tools:** [e.g., ESLint, SonarQube]

## 9. Future Considerations / Roadmap

Note any known architectural debts or planned major changes.

- [e.g., Migrate to microservices]
- [e.g., Implement caching layer]

## 10. Project Identification

**Project Name:** [Insert Project Name]

**Repository URL:** [Insert Repository URL]

**Primary Contact/Team:** [Insert Lead Developer/Team]

**Date of Last Update:** [YYYY-MM-DD]

## 11. Glossary / Acronyms

Define project-specific terms.

**[Term]:** [Definition]