The stack is catalog embeddings, midpoint lookup, and guards so you don't just get sequences of your inputs. Concretely: 146,288 games, each embedded as a 1024-dim vector from its genres, top 20 user tags and store description. The title is excluded deliberately, since including it just clustered franchises together. A combine is the arithmetic midpoint (A + B) / 2, resolved to the nearest real game, scored so it must be close to both inputs. Frontend is a drag-and-drop board. Combining is f...