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+# TestArena Backend Documentation
+
+Welcome to the official documentation for the TestArena Backend. This system is designed to automate the build and test execution process for ESP32 projects using ESP-IDF and QEMU.
+
+## Table of Contents
+
+1.  **[Architecture & Design](architecture.md)**: Overview of the system components, technology stack, and design principles.
+2.  **[Usage Guide](usage.md)**: Instructions on how to deploy, configure, and use the system.
+3.  **[API Reference](api_reference.md)**: Detailed documentation of the available REST API endpoints.
+4.  **[Workflows & Flowcharts](flow_diagrams.md)**: Visual representations of the system's key processes.
+
+## Project Overview
+
+TestArena is a robust platform for managing and executing automated test scenarios. It provides a web-based dashboard for monitoring test queues, real-time logging of execution steps, and detailed HTML reports of test results.
+
+### Key Features
+
+*   **Automated Build & Test**: Automatically clones repositories, builds firmware, and executes tests in a QEMU environment.
+*   **Real-time Monitoring**: Live dashboard with search, sorting, and queue management (abort/delete).
+*   **Comprehensive Logging**: Timestamped and leveled logs for every step of the process.
+*   **Scalable Architecture**: Decoupled API and Worker services for better performance and reliability.
+*   **Easy Deployment**: Automated deployment script for quick setup on Ubuntu servers.