OCTA - Onboard Car Troubleshooting Assistant

OCTA is an AI-powered voice assistant and fault prediction chatbot designed for in-vehicle deployment on a vehicle dashboard. The application enables seamless interaction between the driver and the vehicle's diagnostic system, leveraging LLMs (Large Language Models), RAG-based reasoning, and voice-based AI assistance. Features include a voice assistant page for LLM queries, a fault prediction chatbot with RAG-based reasoning from a structured fault diagnosis database, call service integration for on-road assistance, and a planned service dashboard for maintenance alerts. Built with React (frontend), FastAPI (backend), and LLM/RAG integration.