Downloads source for every package in a given config (or all configs). Supports --recipe NAME for single package, --list to show packages, and --status to check fetch state. Builds repo binary automatically if needed.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
