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RAG Chat Evaluator Bot

A lightweight chatbot app that uses LangChain RAG for chunk retrieval, OpenAI for generation, and Gemini for response evaluation.

🔧 Features

📚 Retrieval-Augmented Generation (RAG) with LangChain + ChromaDB
🤖 Chat interface powered by OpenAI's GPT
✅ Gemini-based evaluator checks tone + accuracy
🛠️ Records user emails to Google Sheets or CSV fallback

🚀 Setup

bash

git clone https://github.com/your-username/rag-chat-evaluator-bot.git
cd career-chats

Create a virtual environment:

bash

python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

Install dependencies:

bash

 install -r requirements.txt

Keys in .env file: