# -------- Core data stack --------
numpy>=1.26,<3.0
pandas>=2.1,<2.3
pyarrow>=23.0.1,<24
pytz>=2023.3
tzdata>=2023.3
apscheduler>=3.11.3,<4.0

# -------- Engine / query / utils --------
duckdb>=1.5.1,<2.0
polars>=1.36.1,<2.0
sqlglot>=26.33,<27
colorlog>=6.9,<7.0
tqdm>=4.66.3,<5.0
python-dotenv>=1.2.2,<2.0
starlette>=1.3.1,<2.0
httpx>=0.27.1,<1.0
cryptography>=50.0.0,<51

# -------- Catalog / locking --------
redis>=5.0,<6.0
