tool-sp-make-skill-shareablelisted

# Make Skill Shareable ## Purpose Guide the agent through reviewing an existing skill, deciding whether it should be shareable (`organization`/`public`) or `repo-local`, and updating the metadata or structure needed to support that decision. ## When to use this skill - A skill is missing `shareable-skills.visibility` or `shareable-skills.requires`. - The user wants to export, symlink, or otherwise reuse an existing skill outside this repo. - The portability of a current skill is unclear. - A repo-local skill might need to be split into a shared core plus a local layer. ## Scope boundaries This tool answers one question about **one existing skill**: how far can it travel, and does it need splitting to get there. It sets `visibility`, `requires`/`suggests`, and the split decision. - `tool-sp-create-skill` — a new skill sets its own visibility at creation. Come here only to revisit or backfill an existing one. - `tool-sp-maintain-skills` — catalog-wide drift, duplication, and ownership. If several skills need re-scoping at once, that is a maintenance pass, not a repeat of this one. - `ref-sp-agents-shareable-skills` — the spec this tool applies: naming grammar, domain registry, visibility tiers, dependency semantics, vendoring. Read it for the rules; use this tool to walk a skill through them. - `ref-sp-agents-plugin-marketplaces` and `ref-sp-agents-skills-management` — actually *moving* a skill once it is cleared to travel. This tool only decides whether it may