Add a fully automatic "Organize all" action in the Studio that organizes
the entire database into catalog pages:
- Create a dedicated sub-page per furniture line (e.g. weebz, habbox) from
FurnitureData.json, falling back to the auto-detected category.
- Add missing purchasable items to the catalog on their line/category page.
- Re-home and re-price existing catalog entries onto their correct page.
- Pages are created automatically when missing; no manual selection needed.
Includes the organizeCatalogAll service, a POST /api/admin/import/furni/organize
endpoint, and the Studio button.