Function canMachineWrite

src/skills/provenance.ts:59–65

(name: string, existing: ProvenanceLike | undefined | null)

 * --force` is a human action and is intentionally not gated here.
 */
export function canMachineWrite(name: string, existing: ProvenanceLike | undefined | null): OverwriteDecision {
  if (!existing) return { allowed: true, reason: 'no existing skill' };
  if (isProtected(existing)) {
    return { allowed: false, reason: `"${name}" is human-authored/edited (provenance protected) — machine overwrite refused` };
  }
  return { allowed: true, reason: `"${name}" is a prior machine capture — may be curated` };
}