prototype/scripts/demo-cli.mjs

// Actual CLI inference, no HTTP listener and no browser required.
import assert from 'node:assert/strict';
import { spawnSync } from 'node:child_process';
import { readFile, writeFile, mkdir } from 'node:fs/promises';
import { fileURLToPath } from 'node:url';
import { resolve, join } from 'node:path';
import { digest } from '../src/core.mjs';

const root = fileURLToPath(new URL('../', import.meta.url));
const out = resolve(process.argv[2] || join(root, 'evidence/cli-demo'));
const input = join(root, 'data/sample.json');
const before = await readFile(input);
await mkdir(out, { recursive: true });

function infer(filename) {
  const run = spawnSync(process.execPath, [join(root, 'scripts/triage.mjs'), input, filename], {
    cwd: root, encoding: 'utf8', timeout: 60000, maxBuffer: 1024 * 1024,
  });
  if (run.error || run.status !== 0) throw new Error(run.error?.message || run.stderr.trim() || `CLI exited ${run.status}`);
  return { stdout: run.stdout.trim(), stderr: run.stderr.trim() };
}

const firstLog = infer(join(out, 'first.json'));
const repeatLog = infer(join(out, 'repeat.json'));
const first = JSON.parse(await readFile(join(out, 'first.json'), 'utf8'));
const repeat = JSON.parse(await readFile(join(out, 'repeat.json'), 'utf8'));
const expectedSteps = ['validate-export', 'embed-locally', 'compare-and-abstain', 'build-review-queue'];
for (const result of [first, repeat]) {
  assert.equal(result.execution.status, 'success');
  assert.equal(result.model.dimensions, 384);
  assert.equal(result.model.offline, true);
  assert.deepEqual(result.workflowSteps, expectedSteps);
  for (const id of expectedSteps) assert(result.execution.steps.some(step => step.id === id && step.status === 'success'));
}
const stable = value => value.items.map(({ id, suggestedLabel, needsReview, duplicateOf, similarity }) => ({ id, suggestedLabel, needsReview, duplicateOf, similarity }));
assert.deepEqual(stable(first), stable(repeat));
assert.deepEqual(await readFile(input), before);
const report = {
  recordedAtUtc: new Date().toISOString(),
  kind: 'Two real CLI subprocesses; synthetic input; no listener or browser',
  command: 'node scripts/triage.mjs data/sample.json OUTPUT.json',
  summary: first.summary,
  workflowSteps: expectedSteps,
  model: first.model,
  firstProcessTimings: first.timings,
  repeatProcessTimings: repeat.timings,
  interpretation: 'Separate same-machine processes; filesystem cache may be warm. These are not cold-machine benchmarks.',
  inputSha256: digest(JSON.parse(before.toString('utf8'))),
  originalFileUnchanged: true,
  decisionsAndScoresRepeatedExactly: true,
  networkCheck: 'The executed CLI replaces JavaScript fetch with a throwing function. This is an application-level check, not an OS air gap.',
  logs: { first: firstLog, repeat: repeatLog },
  limits: ['All data is synthetic.', 'No measured human time saved.', 'No real browser/UI test or video was recorded.'],
};
await writeFile(join(out, 'report.json'), JSON.stringify(report, null, 2) + '\n');
console.log(JSON.stringify({ ...report, logs: undefined, evidenceDirectory: out }, null, 2));