how to run a dev env

cd backend python -m venv .venv source .venv/bin/activate # Windows: .venv\Scripts\activate pip install -r requirements.txt

set OpenAI key

export OPENAI_API_KEY="sk-..." # Windows PowerShell: $env:OPENAI_API_KEY="sk-..."

run FastAPI

uvicorn app:app --host 0.0.0.0 --port 8000 --reload