Function isProtected

src/skills/provenance.ts:31–35

(skill: ProvenanceLike | undefined | null)

 * protected, so an unknown/legacy skill is never clobbered.
 */
export function isProtected(skill: ProvenanceLike | undefined | null): boolean {
  if (!skill) return false;            // nothing there to protect
  if (skill.humanEdited) return true;  // a human touched a captured skill → now protected
  return (skill.provenance ?? 'user') !== 'machine';
}

/** A pristine, machine-captured skill the loop is free to replace/curate. */
export function isMachineOwned(skill: ProvenanceLike | undefined | null): boolean {