Function plannedBundleFiles

src/commands/test.ts:8137–8172

* Approximate the file list `writeBundle` would produce for the given * context, so dry-run can communicate it to the user without touching * disk. Mirrors `bundle.ts` write order (result/failure/code/video, * per-step screenshot+snapshot, meta last) at a coarse level — sidecar * evidence files

(ctx: CliFailureContext, failedOnly: boolean)

 * to the failure window the bundle writer would keep.
 */
function plannedBundleFiles(ctx: CliFailureContext, failedOnly: boolean): string[] {
  const files: string[] = [];
  files.push('result.json');
  files.push('failure.json');
  files.push(`code.${pickCodeExtension(ctx.code.language, ctx.code.framework)}`);
  if (ctx.result.videoUrl) files.push('video.mp4');

  const stepsToInclude = failedOnly
    ? ctx.steps.filter(s => {
        if (ctx.result.failedStepIndex === null) return false;
        const target = ctx.result.failedStepIndex;
        return s.stepIndex >= target - 1 && s.stepIndex <= target + 1;
      })
    : ctx.steps;

  for (const step of stepsToInclude) {
    const prefix = stepFilenamePrefix(step.stepIndex);
    if (step.screenshotUrl) files.push(`steps/${prefix}-screenshot.png`);
    if (step.htmlSnapshotUrl) files.push(`steps/${prefix}-snapshot.html`);
  }

  // Sidecar evidence (log/network/console): the count varies and depends
  // on the bundle writer's per-step grouping. Surface a rolled-up count
  // rather than predict per-file names — agents reading the dry-run see
  // there's "N more sidecar files" without us re-implementing the
  // grouping logic.
  const sidecar = ctx.failure.evidence.filter(
    e => e.kind !== 'screenshot' && e.kind !== 'snapshot',
  );
  if (sidecar.length > 0) {
    files.push(`steps/<stepIndex>-evidence.json (×${sidecar.length} sidecar entries)`);
  }

  files.push('meta.json');
  return files;
}

/**
 * L141 — detect server-side truncation: returns `true` when the string