Tested Ford & Polestar on de: Ford returns a real variant tree but drilling can't reach parts (needs dedicated Ford variant-drill logic); Polestar returns 0 categories (data gap). Revert them to tr; keep the verified Hyundai/Kia/Nissan de-routing. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>