# Virtual Environment
venv/
env/
.env

# Python Caches
__pycache__/
*.py[cod]
*$py.class

# Large data & model files
data/
runs/
*.cache
*.db-journal
*.sqlite3-journal

# Keep these for production
!middleware/wafer_control.db
!middleware/material_model.pkl
!middleware/best.pt


# OS generated files
.DS_Store

# Vector DB
backend/chroma_db/