Function factTokens

src/session/store.ts:8–10

(raw: string)

/** Pull searchable word tokens out of free text (alphanumerics + underscore, length ≥ 2). PURE. */
export function factTokens(raw: string): string[] {
  return (raw.toLowerCase().match(/[\p{L}\p{N}_]{2,}/gu) ?? []);
}

/** De-dupe preserving order. */
function dedupe(xs: string[]): string[] {