Rename the skill directory to writers-helper and update the name field,
eval manifest skill_name, skill README title and example paths, root
README catalog entry, and the skill-triggers index. Regenerate llms.txt,
.claude-plugin/marketplace.json, .codex-plugin/plugin.json, and
.agents/plugins/marketplace.json from their generators. Content is
unchanged.
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>