Decompose an aligned goal into independently executable vertical slices with explicit blocking relationships. Each slice must cross all touched system layers — not a single layer. Submit for human approval before any implementation begins.
$npx -y skills add aryaminus/controlkeel --skill plan-sliceInstalls into the current project.
Run `npx skills use "https://github.com/aryaminus/controlkeel" --skill "aryaminus/controlkeel/plan-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/aryaminus/controlkeel" that are relevant to the current task. Run `npx skills add "https://github.com/aryaminus/controlkeel"` and select the relevant skills, then follow their instructions.