Function aggregateToFiles

src/context/retrieval.ts:325–337

(scored: ScoredChunk[], maxFiles: number)

 * at files is more useful to the model than pointing at arbitrary 30-line windows.
 */
export function aggregateToFiles(scored: ScoredChunk[], maxFiles: number): RankedFile[] {
  const best = new Map<string, { score: number; startLine: number; endLine: number; text: string }>();
  for (const { chunk, score } of scored) {
    const cur = best.get(chunk.file);
    if (!cur || score > cur.score) {
      best.set(chunk.file, { score, startLine: chunk.startLine, endLine: chunk.endLine, text: chunk.text });
    }
  }
  return [...best.entries()]
    .map(([file, v]) => ({ file, score: v.score, bestLines: `${v.startLine}-${v.endLine}`, text: v.text }))
    .sort((a, b) => b.score - a.score)
    .slice(0, maxFiles);
}

/**
 * Expand a ranked file list with import-graph neighbors of the top hits, so the