- groups:add / ranges:plan / nodes:create / coordinator:run commands - the node API: lease, the range's chunks as one framed stream from the spool, batches, heartbeat, finish, release (node guard, token per node) - edge:node: needs COORDINATOR_URL and NODE_TOKEN only (placeholders for the rest), posts a batch every 10 chunks, gives its range back on SIGTERM - releases are gathered per batch: 1.04 chunk rows per release at 10 chunks per batch (1.35 when built per XOVER chunk) - partitions are checked per batch instead of remembered Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>