@type t() :: %Gleanex.Platform.SkillSourceProvenance{
  commit_sha: String.t() | nil,
  imported_at: DateTime.t() | nil,
  last_synced_at: DateTime.t() | nil,
  source_url: String.t() | nil,
  sync_error: String.t() | nil,
  sync_status: String.t() | nil
}