@type t() :: %ExBifrost.Model.SkillVersion{
  created_at: DateTime.t() | nil,
  created_by: String.t() | nil,
  files: [ExBifrost.Model.SkillFile.t()] | nil,
  frontmatter_snapshot: %{optional(String.t()) => any()} | nil,
  id: String.t() | nil,
  skill_id: String.t() | nil,
  skill_md_body: String.t() | nil,
  version: String.t() | nil
}