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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
1. Clone the repo:
```bash
git clone https://github.com/your-username/rag-chat-evaluator-bot.git
cd career-chats
```
2. Create a virtual environment:
```bash
python -m venv venv
source venv/bin/activate # On Windows: venv\Scripts\activate
```
3. Install dependencies:
```bash
install -r requirements.txt
```
2. Keys in `.env` file:
```
GOOGLE_API_KEY=<your-api-key>
OPENAI_API_KEY=<your-api-key>
GOOGLE_CREDENTIALS_JSON=<b64encoded-json>
```
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