PetalWorkspace-scoped Python dependency manager for ROS2

Keep ROS Python environments coherent while using the PyPI packages your workspace needs.

ROS-first philosophy

Preserve the Ubuntu/ROS Python base instead of shadowing it with pip-installed packages.

Read why

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Install PyPI-only packages into .petal/venv, never system Python.

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Track requested dependencies in petal.toml and resolved sources in petal.lock.