Restore cost is O(archive) and grows without bound while the relay replay window is fixed, so the copy eventually cannot restore a contiguous archive. Kept for the write-once reasoning, not as a plan. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B927dNwNKNYsbQdUoNJwHS