Phase 5: Publishing. Convert to EPUB/PDF/MOBI/TXT/Markdown, cover design, metadata, title candidates, KDP checklist, marketing plan.
$npx -y skills add epicsagas/velith --skill book-publishInstalls into the current project.
Run `npx skills use "https://github.com/epicsagas/velith" --skill "epicsagas/velith/book-publish"` 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/epicsagas/velith" that are relevant to the current task. Run `npx skills add "https://github.com/epicsagas/velith"` and select the relevant skills, then follow their instructions.