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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.

## πŸ”§ Features

- πŸ“š Retrieval-Augmented Generation (RAG) with LangChain + ChromaDB
- πŸ€– Chat interface powered by OpenAI's GPT
- βœ… Gemini-based evaluator checks tone + accuracy
- πŸ› οΈ Records user emails to Google Sheets or CSV fallback


## πŸš€ 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>

```