Validate a skill bundle

Checks exactly one SKILL.md at the root, the frontmatter contract (name slug, non-empty description up to 1024 characters), a non-empty body, that every linked scripts/, references/, and assets/ path exists, and that no .md or .ts file hardcodes a platform resource id or reads ambient platform auth.

Body

Response

{
  "ok": false,
  "errors": [
    {
      "path": "SKILL.md",
      "message": "Linked file scripts/export.py does not exist."
    }
  ]
}