requirements.txt

# Core Data Science
numpy>=1.24.0
pandas>=2.0.0
matplotlib>=3.7.0
seaborn>=0.12.0
plotly>=5.14.0
scipy>=1.10.0
statsmodels>=0.14.0

# Machine Learning
scikit-learn>=1.3.0
xgboost>=1.7.0
lightgbm>=4.0.0
catboost>=1.2.0

# Deep Learning (choose one or both)
torch>=2.0.0
# tensorflow>=2.13.0

# NLP & Transformers
transformers>=4.30.0
datasets>=2.13.0
sentence-transformers>=2.2.0
tokenizers>=0.13.0

# LLM & AI Engineering
openai>=1.3.0
anthropic>=0.7.0
langchain>=0.1.0
langchain-openai>=0.0.2
langchain-community>=0.0.10
langchain-core>=0.1.0
llama-index>=0.9.0

# Vector Databases
chromadb>=0.4.0
# pinecone-client>=2.2.0  # requires API key

# MLOps
mlflow>=2.7.0
# wandb>=0.15.0  # requires account

# APIs & Serving
fastapi>=0.100.0
uvicorn[standard]>=0.23.0
httpx>=0.24.0

# Notebooks & Viz
jupyter>=1.0.0
jupyterlab>=4.0.0
ipywidgets>=8.0.0
nbformat>=5.9.0

# Utilities
python-dotenv>=1.0.0
tqdm>=4.65.0
pydantic>=2.0.0
rich>=13.0.0
loguru>=0.7.0
typer>=0.9.0

# Data Access
sqlalchemy>=2.0.0
psycopg2-binary>=2.9.0
duckdb>=0.8.0

# Testing
pytest>=7.4.0
pytest-cov>=4.1.0