Function runCodexMode

scripts/context-compression-benchmark.mjs:480–501

({ codexCommand, model, cwd, mode })

}

async function runCodexMode({ codexCommand, model, cwd, mode }) {
  const contextFile =
    mode === 'beta'
      ? `openspec/changes/${CHANGE_NAME}/.comet/handoff/spec-context.md`
      : `openspec/changes/${CHANGE_NAME}/.comet/handoff/design-context.md`;
  const contextText = await fs.readFile(path.join(cwd, contextFile), 'utf-8');
  const prompt = buildPrompt(mode, contextFile, contextText);
  const args = buildCodexArgs({ cwd, model });
  const { stdout, stderr, exitCode } = await spawnCapture(codexCommand, args, {
    cwd,
    input: prompt,
    timeoutMs: 15 * 60 * 1000,
  });
  const parsed = parseCodexJsonl(stdout);
  return {
    usage: parsed.usage,
    verdict: parsed.verdict,
    stdout,
    stderr,
    exitCode,
  };
}

export function buildCodexArgs({ cwd, model = null }) {
  const args = [