~x-ai/grok-latest → B (1:4)

B delivers lasting architecture: a real EntityStore on RocksDB, removal of full Reddit JSON from GlobalTree, and streaming event-log replay that cuts startup RAM—fundamental scalability. A is a solid but narrower UI fix (per-group rank gradients, center-anchored vote sliders, polarity tests) that improves correctness of highlighting without changing the system's capacity or data model.