v0.3.0

[manzt]

This release adds support for generating lockfiles from Jupyter notebooks using inline metadata, as defined in PEP 723.

By default, notebooks remain unlocked. To lock a notebook, run juv lock /path/to/notebook.ipynb, which generates and embeds a lockfile in the notebook's metadata under the "uv.lock" key. The lockfile is respected and updated automatically when using juv run, uv add, or uv remove.

Additional commands:

• juv export: Outputs an alternative lockfile format (requirements.txt
  style) to stdout.
• uv tree: Displays the dependency tree for a script.

Both commands work with notebooks, whether locked or unlocked.

This release is considered breaking due to the lockfile support, which requires a minimum uv 0.5.18 and modifies execution.