Run the Markster OS sales playbook. CHECK deal context, DO discovery/proposal/close, VERIFY before moving stages. Includes 9 Kill Skills audit for conversion problems.
$npx -y skills add markster-public/markster-os --skill salesInstalls into the current project.
Run `npx skills use "https://github.com/markster-public/markster-os" --skill "markster-public/markster-os/sales"` 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/markster-public/markster-os" that are relevant to the current task. Run `npx skills add "https://github.com/markster-public/markster-os"` and select the relevant skills, then follow their instructions.