Function loadEpisodeBlock

src/context/episodic-memory.ts:159–173

(
  projectRoot: string,
  query: string,
  opts: { topK?: number; minScore?: number; diversity?: number } = {},
)

 *  Builds a one-shot file-existence Set (each touched file checked once) so the pure ranker
 *  can ground episodes against the CURRENT tree without doing I/O itself. */
export async function loadEpisodeBlock(
  projectRoot: string,
  query: string,
  opts: { topK?: number; minScore?: number; diversity?: number } = {},
): Promise<string> {
  const episodes = await readEpisodes(projectRoot);
  // Resolve existence once per distinct file referenced by any episode.
  const referenced = new Set<string>();
  for (const e of episodes) for (const f of e.filesChanged) referenced.add(f);
  const existing = new Set<string>();
  await Promise.all([...referenced].map(async f => {
    try { await fs.access(path.resolve(projectRoot, f)); existing.add(f); } catch { /* gone */ }
  }));
  return buildEpisodeBlock(rankEpisodes(query, episodes, { ...opts, fileExists: f => existing.has(f) }));
}