Function clampEfSearch

api/src/services/pgvector.js:56–59

(limit)

// client_id post-filtering without collapsing recall on sparse tenants, capped
// so a huge limit can't blow up query latency.
export function clampEfSearch(limit) {
  const n = Number.isFinite(limit) ? Math.floor(limit) : 10;
  return Math.max(40, Math.min(n * 2, 400));
}

// Whether >2000-dim vectors force the halfvec code path.
export function halfvecMode(dims) {