ptloop02's leaf is pteff03a, not pteff04, and its x track is -839..1721, not the
same as ptloop01's -639..1521. I filled the row from the shape I expected rather
than from output that had not appeared yet. The two leaves differ in element,
span, track and scale; only the parent position is shared.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N7FiFFFwbvG2uxdcEh8HyF