-- The build of an engine chosen for a node, where it is not left to the
-- node's hardware: vLLM's CUDA 12.9 build on a node that could run CUDA 13's,
-- or no vLLM at all. A node with no row here installs what its hardware runs.
CREATE TABLE node_engines (
  node_id    TEXT NOT NULL,
  engine     TEXT NOT NULL,
  variant    TEXT NOT NULL,
  updated_at BIGINT NOT NULL,
  updated_by TEXT NOT NULL,
  PRIMARY KEY (node_id, engine)
);