-- Facility-aware placement. Domains held for maintenance: a rack, row, PDU
-- or other domain taken out of placement by `llmgw ctl facility hold`,
-- kept until released so a restart does not quietly put work back on a rack
-- somebody has the doors open on.
CREATE TABLE facility_holds (
  domain  TEXT PRIMARY KEY,
  reason  TEXT NOT NULL,
  drain   INTEGER NOT NULL,
  held_at INTEGER NOT NULL,
  held_by TEXT NOT NULL
);

-- Node labels set through the control plane (`llmgw ctl label`), laid over
-- what each node's agent.yaml says: where a node is in the building is
-- usually known to whoever runs the facility, not to the machine.
CREATE TABLE node_labels (
  node_id    TEXT NOT NULL,
  key        TEXT NOT NULL,
  value      TEXT NOT NULL,
  updated_at INTEGER NOT NULL,
  updated_by TEXT NOT NULL,
  PRIMARY KEY (node_id, key)
);