Function searchSqlite

src/context/sqlite-index.ts:185–201

(handle: SqliteIndexHandle, queryEmbedding: number[], topK: number)

 * project ever needs ANN, hnswlib-node can be slotted in behind this same API.)
 */
export function searchSqlite(handle: SqliteIndexHandle, queryEmbedding: number[], topK: number): SqliteScored[] {
  const rows: any[] = handle.db.prepare('SELECT id,file,start_line,end_line,symbol,text,hash,scale,vec FROM chunks').all();
  const scored: SqliteScored[] = [];
  for (const r of rows) {
    const bytes = new Int8Array(r.vec.buffer, r.vec.byteOffset, r.vec.byteLength);
    const score = cosineQuantized(queryEmbedding, { scale: r.scale, bytes });
    scored.push({
      chunk: {
        file: r.file, startLine: r.start_line, endLine: r.end_line,
        symbol: r.symbol ?? undefined, text: r.text, hash: r.hash,
      } as Chunk,
      score,
    });
  }
  scored.sort((a, b) => b.score - a.score);
  return scored.slice(0, topK);
}

/** Read every chunk's text (for BM25 in hybrid mode) without the vectors. */
export function allChunksFromSqlite(handle: SqliteIndexHandle): Chunk[] {