-- Keep the operator list and active-task scans bounded by organization and
-- lifecycle status. The list API still applies LIMIT/OFFSET, while these
-- indexes avoid sorting/reading large unrelated task sets as data grows.
CREATE INDEX IF NOT EXISTS tasks_visible_created_idx
  ON tasks (organization_id, created_at DESC, id DESC)
  WHERE status <> 'cancelled';

CREATE INDEX IF NOT EXISTS tasks_active_status_created_idx
  ON tasks (organization_id, status, created_at DESC, id DESC)
  WHERE status IN ('queued', 'accepted', 'running', 'reconciliation_pending');

CREATE INDEX IF NOT EXISTS tasks_active_handoff_created_idx
  ON tasks (organization_id, handoff_status, created_at DESC, id DESC)
  WHERE handoff_status IN ('accepted', 'running', 'reconciliation_pending');

CREATE INDEX IF NOT EXISTS task_events_org_task_idx
  ON task_events (organization_id, task_id, id);