Sync BGG collection
Adds new games and refreshes status, rank, and weight for games already on your shelf.
Backfill descriptions
Fetches missing descriptions from BoardGameGeek for games that don't have one.
Backfill images
Uploads Image URL contents into the Airtable-hosted Image attachment for games missing one.
Backfill books — all fields (one lookup each)
For each book missing any of: cover, description, categories, year, pages, or image attachment. Does a single Google Books lookup per book and PATCHes everything in one call. Falls back to Open Library covers if Google has none.