Find the next unclaimed ready-to-work slice in the Musubi vault, claim it atomically via GitHub Issue assignment, lock it, and prepare a working branch + draft PR. Use at the start of any coding session when the user hasn't specified which slice to work on.
$npx -y skills add ericmey/musubi --skill pick-sliceInstalls into the current project.
Run `npx skills use "https://github.com/ericmey/musubi" --skill "ericmey/musubi/pick-slice"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/ericmey/musubi" that are relevant to the current task. Run `npx skills add "https://github.com/ericmey/musubi"` and select the relevant skills, then follow their instructions.