Adds a new conceptual guide to a project's knowledge folder. Runs in three modes: interactive (user-invoked), from-task (auto-invoked from ship-first after a fast-track completes), from-epic (from epic closure).
$npx -y skills add bearded-illirian/trailmark --skill go-guideInstalls into the current project.
Run `npx skills use "https://github.com/bearded-illirian/trailmark" --skill "bearded-illirian/trailmark/go-guide"` 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/bearded-illirian/trailmark" that are relevant to the current task. Run `npx skills add "https://github.com/bearded-illirian/trailmark"` and select the relevant skills, then follow their instructions.