Function answerCitations

scripts/agent-eval/parse-run.mjs:538–558

(text, extensions = new Set())

 * rejecting `res.send` and `mime.contentType`, which are the same token shape.
 */
export function answerCitations(text, extensions = new Set()) {
  const src = String(text ?? '');
  const paths = new Set();
  // Dotted path with at least one directory: `lib/response.js:126-220`.
  for (const m of src.matchAll(/(?:[\w@.+-]+\/)+[\w@.+-]+\.[A-Za-z]\w*/g)) paths.add(m[0]);
  // Bare basename, only when its extension is one the envelope actually shipped.
  for (const m of src.matchAll(/\b[\w@+-]+\.[A-Za-z]\w*/g)) {
    const ext = m[0].slice(m[0].lastIndexOf('.') + 1).toLowerCase();
    if (extensions.has(ext)) paths.add(m[0]);
  }
  // Identifiers inside code spans. Prose mentions are excluded on purpose: a
  // backtick is the agent marking the token as code, which is the whole signal.
  const symbols = new Set();
  for (const span of src.matchAll(/`([^`\n]+)`/g)) {
    for (const t of span[1].matchAll(/[A-Za-z_$][\w$]*/g)) {
      const tok = t[0];
      if (tok.length >= MIN_SYMBOL_LEN && !SYMBOL_STOPWORDS.has(tok.toLowerCase())) symbols.add(tok);
    }
  }
  return { paths: [...paths], symbols };
}

/**
 * Allocation efficiency over one session's explore responses and its final