Author a new agent skill in the SKILL.md format used by this collection, so the Ryu skill ecosystem is self-extending. Covers the directory layout, the YAML frontmatter schema (name and description), writing skimmable instructional content, cross-referencing other skills, and validating the result. Use when adding a new skill under apps/skills.
$npx -y skills add amajorai/ryu --skill ryu-author-skillInstalls into the current project.
Run `npx skills use "https://github.com/amajorai/ryu" --skill "amajorai/ryu/ryu-author-skill"` 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/amajorai/ryu" that are relevant to the current task. Run `npx skills add "https://github.com/amajorai/ryu"` and select the relevant skills, then follow their instructions.