Function buildFtsMatch

src/session/store.ts:24–28

(raw: string)

 * FTS operators like AND/OR/NEAR/"/*) and OR-joined so recall is broad. Returns '' when there's
 * nothing searchable, so the caller can fall back. PURE — unit-tested. */
export function buildFtsMatch(raw: string): string {
  const toks = dedupe(factTokens(raw));
  if (!toks.length) return '';
  return toks.map(t => `"${t}"`).join(' OR ');
}

export interface Message {
  role: 'system' | 'user' | 'assistant' | 'tool';