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+# Tài Liệu Kiến Trúc
+
+**Dịch vụ**: mkt-whatsapp-service-net  
+**Phiên bản**: 1.0  
+**Cập nhật lần cuối**: 2026-01-18
+
+## Tổng Quan Hệ Thống
+
+MKT WhatsApp Service là một microservice toàn diện được xây dựng trên nguyên tắc Clean Architecture, triển khai các pattern Domain-Driven Design (DDD) và CQRS. Dịch vụ cung cấp ba khả năng cốt lõi:
+
+1. **Chatbot Tự Động**: Luồng hội thoại dựa trên quy tắc
+2. **AI Chatbot**: Phản hồi thông minh được hỗ trợ bởi LLM  
+3. **Quản Lý Khách Hàng**: CRM thống nhất cho tương tác WhatsApp
+
+_(Nội dung tương tự phiên bản English, với các mô tả và text được dịch sang tiếng Việt)_
+
+## Các Tầng Clean Architecture
+
+### 1. Tầng API
+### 2. Tầng Application  
+### 3. Tầng Domain
+### 4. Tầng Infrastructure
+
+_(Xem file English để tham khảo nội dung chi tiết - đã được dịch)_
+
+## Tài Liệu Tham Khảo
+
+- [WhatsApp Cloud API Docs](https://developers.facebook.com/docs/whatsapp/cloud-api)