🦙 HCI 2026 — LLM Prototyping Tool

A local AI chat prototype built with Streamlit and Ollama for HCI 2026 coursework.

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📌 Project Overview

This project is a lightweight LLM-based chatbot interface designed for HCI prototyping.
It runs entirely on your local machine — no internet or API key required.

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⚙️ Installation

1. Clone the repository

git clone https://github.com/YOUR_ID/hci-2026-llm-prototype.git
cd hci-2026-llm-prototype

2. Install Python dependencies

pip install -r requirements.txt

3. Install Ollama

Download and install from https://ollama.com

4. Pull the model

ollama pull gemma3:4b

🔍 Browse all available models at https://ollama.com/library
To use a different model, pull it first and update OLLAMA_MODEL in config.py:

OLLAMA_MODEL = "your-model-name"  # e.g. "qwen2.5:3b", "llama3.2:3b"

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🚀 Usage

Step 1. Start Ollama server

ollama serve

Step 2. Run the app (open a new terminal)

streamlit run app.py

Step 3. Open your browser