import { chromium } from 'playwright'; import { mkdir, writeFile } from 'node:fs/promises'; import path from 'node:path'; import { fileURLToPath } from 'node:url'; import { analyzePhoto, visionFailureResponse } from '../src/vision-service.js'; import { loadVisionCorpus } from '../src/vision-corpus.js'; const output = path.resolve(process.argv[2] || 'release-demo.webm'); const version = process.env.TIMMY_RELEASE_VERSION || 'review build'; // The release delta is supplied by the builder so the recording states, on camera, what actually // changed in this release instead of implying a feature that did not ship. const releaseDelta = process.env.TIMMY_RELEASE_DEMO_DELTA || 'Verified rebuild of the current user-visible feature path — no new feature is claimed.'; const captionsOut = process.env.TIMMY_DEMO_CAPTIONS_OUT || ''; const captionsShown = []; const sleep = ms => new Promise(resolve => setTimeout(resolve, ms)); await mkdir(path.dirname(output), { recursive: true }); // The refusal scene replays committed synthetic corpus cases through the real analysis code path, // so the recording shows the status and copy the server would actually send rather than copy // written for the video. No real photo is used anywhere in the corpus. const corpus = await loadVisionCorpus(fileURLToPath(new URL('../tests/fixtures/vision-corpus/', import.meta.url))); const corpusCase = id => corpus.cases.find(entry => entry.id === id); async function corpusAnalyzeResult(entry) { const fetchImpl = async () => ({ ok: true, json: async () => ({ choices: [{ message: { content: entry.providerContent } }] }) }); try { const result = await analyzePhoto({ payload: { imageDataUrl: 'data:image/png;base64,YQ==', consent: true }, fetchImpl, config: { baseUrl: 'http://127.0.0.1:9/v1', apiKey: 'corpus-replay', model: 'corpus-model' }, }); return { status: 200, body: result }; } catch (error) { const failure = visionFailureResponse(error); return { status: failure.status, body: failure.body }; } } const browser = await chromium.launch({ headless: true }); const context = await browser.newContext({ viewport: { width: 405, height: 720 }, deviceScaleFactor: 1, serviceWorkers: 'block', recordVideo: { dir: path.dirname(output), size: { width: 405, height: 720 } }, colorScheme: 'light', }); const page = await context.newPage(); const errors = []; page.on('console', message => { if (message.type() === 'error') errors.push(message.text()); }); page.on('pageerror', error => errors.push(error.message)); let visionOffline = false; // Reachable is not loaded: the worker can answer /v1/models before its pinned model is resident, // and the recording shows the app withholding AI in exactly that state (issue #15). let modelLoaded = true; await page.route('**/api/vision-status', route => route.fulfill({ status: 200, contentType: 'application/json', body: JSON.stringify({ enabled: true, profile: 'selfhost', processor: 'self-hosted', model: 'SmolVLM2-2.2B-Instruct', // The second pass flips the app's own readiness contract so no AI control is offered at all. providerReady: !visionOffline, modelSeen: !visionOffline && modelLoaded, }), })); // The happy path keeps one deterministic suggestion. The refusal scene swaps this for a real // corpus replay, so both the usable and the refused answers come from the same code path. const suggestionBody = { status: 'suggestion', isStool: true, bristolType: 4, color: 'brown', confidence: 0.83, imageQuality: 'good', observations: 'Smooth, formed appearance.', warning: 'Visual suggestion only. Confirm it yourself; this is not a diagnosis.', }; let analyzeOverride = null; await page.route('**/api/analyze', route => { const response = analyzeOverride || { status: 200, body: suggestionBody }; return route.fulfill({ status: response.status, contentType: 'application/json', body: JSON.stringify(response.body) }); }); await page.route('**/api/agent/status', route => route.fulfill({ status: 200, contentType: 'application/json', body: JSON.stringify({ enabled: true, configured: true, authenticated: true, mode: 'hermes-agent' }), })); let hermesCalls = 0; await page.route('**/api/agent/chat', route => { hermesCalls += 1; return route.fulfill({ status: 200, contentType: 'application/json', body: JSON.stringify({ connected: true, reply: 'Your confirmed logs are mostly Type 4. I can explain that pattern, but I cannot diagnose a cause.' }), }); }); await page.goto('http://127.0.0.1:4173', { waitUntil: 'networkidle' }); await page.evaluate(() => localStorage.clear()); await page.reload({ waitUntil: 'networkidle' }); await page.addStyleTag({ content: ` #demo-caption{position:fixed;left:16px;right:16px;top:14px;z-index:20000;background:rgba(40,33,29,.94);color:#fff;padding:11px 14px;border-radius:14px;font:800 12px/1.25 system-ui;letter-spacing:.02em;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.2)} #demo-touch{position:fixed;z-index:20001;width:48px;height:48px;border:4px solid #fff;background:rgba(245,201,91,.55);box-shadow:0 0 0 7px rgba(21,125,120,.28);border-radius:50%;pointer-events:none;transform:translate(-50%,-50%)} ` }); async function caption(text, duration = 1400) { captionsShown.push(text); await page.evaluate(text => { document.querySelector('#demo-caption')?.remove(); const node = document.createElement('div'); node.id = 'demo-caption'; node.textContent = text; document.body.append(node); node.animate([{ opacity: 0, transform: 'translateY(-8px)' }, { opacity: 1, transform: 'translateY(0)' }], { duration: 260, fill: 'forwards' }); }, text); await sleep(duration); // A caption must not outlive its stated duration. It used to stay on screen until the next one // replaced it, so a view change left the previous screen's claim hanging over a different screen — // e.g. a delete-data caption sitting on top of the home view. await page.evaluate(() => { const node = document.querySelector('#demo-caption'); if (!node) return; node.animate([{ opacity: 1 }, { opacity: 0 }], { duration: 180, fill: 'forwards' }); setTimeout(() => node.remove(), 220); }); await sleep(220); } async function tap(selector, after = 650) { const target = page.locator(selector).first(); await target.scrollIntoViewIfNeeded(); const box = await target.boundingBox(); if (!box) throw new Error(`Missing demo target: ${selector}`); await page.evaluate(({ x, y }) => { document.querySelector('#demo-touch')?.remove(); const ring = document.createElement('div'); ring.id = 'demo-touch'; ring.style.left = `${x}px`; ring.style.top = `${y}px`; document.body.append(ring); ring.animate([{ opacity: .2, transform: 'translate(-50%,-50%) scale(.55)' }, { opacity: 1, transform: 'translate(-50%,-50%) scale(1)' }], { duration: 400 }); setTimeout(() => ring.remove(), 550); }, { x: box.x + box.width / 2, y: box.y + box.height / 2 }); await sleep(220); await target.click(); await sleep(after); } async function indicate(selector) { const target = page.locator(selector).first(); await target.scrollIntoViewIfNeeded(); const box = await target.boundingBox(); if (!box) throw new Error(`Missing demo target: ${selector}`); await page.evaluate(({ x, y }) => { document.querySelector('#demo-touch')?.remove(); const ring = document.createElement('div'); ring.id = 'demo-touch'; ring.style.left = `${x}px`; ring.style.top = `${y}px`; document.body.append(ring); ring.animate([{ opacity: .2, transform: 'translate(-50%,-50%) scale(.55)' }, { opacity: 1, transform: 'translate(-50%,-50%) scale(1)' }], { duration: 400 }); setTimeout(() => ring.remove(), 550); }, { x: box.x + box.width / 2, y: box.y + box.height / 2 }); await sleep(650); } await caption(`TIMMY ${version} • RELEASE DEMO`, 1200); await caption(`This release: ${releaseDelta}`, 2600); await caption('Automated checks replay this synthetic path before review', 1200); await caption('One clear photo action. Manual logging stays one tap away.', 1500); await tap('[data-scan]', 450); await page.getByText(/Self-hosted model ready/i).waitFor(); await caption('The pinned bootstrap verifies both model files before starting on private loopback', 1500); await indicate('label[for="camera-photo"]'); await page.locator('#camera-photo').dispatchEvent('cancel'); await page.getByText(/Camera or photo picker closed/i).waitFor(); await caption('Camera closed cleanly — gallery and manual logging are still available', 1600); await indicate('label[for="gallery-photo"]'); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/synthetic-type4.jpg'); await caption('Nothing uploads until explicit consent', 1100); await page.locator('#ai-consent').check(); await tap('#analyze-photo', 450); await page.getByText(/83% confidence/i).waitFor(); await caption('AI may suggest visible form, broad color, and image quality — never symptoms or diagnosis', 1700); await indicate('.scan-result[data-provenance="pending"]'); await caption('The suggestion stays provisional — nothing is applied or saved until you confirm it', 1700); await tap('#use-suggestion', 450); await page.locator('.ai-provenance[data-provenance="confirmed"]').waitFor(); await caption('Confirming is explicit, and every suggested value is still yours to overrule', 1600); await tap('[data-type="2"]', 500); await page.locator('[data-provenance="corrected"]').waitFor(); await caption('Change a suggested value and Timmy clears the AI-confirmed state', 1700); await indicate('.ai-provenance[data-provenance="corrected"] .provenance-note'); await tap('#next', 450); await page.getByText(/You changed it to Type 2/).waitFor(); await caption('Only visible form and color were ever suggested — urgency, discomfort, and symptoms stay yours', 1900); await tap('#next', 450); await page.locator('[data-followup-block]').waitFor(); await caption('Type 2 is hard or lumpy, so Timmy asks about soreness, hydration, blood, and black-or-tarry — never guessed from the photo', 2600); await page.locator('[data-question="bloodVisible"]').scrollIntoViewIfNeeded(); await indicate('[data-question="bloodVisible"]'); await tap('[data-followup="bloodVisible"][data-answer="no"]', 400); await caption('Every answer is yours to give, and a skipped question stays unanswered', 1900); await tap('[data-followup="soreness"][data-answer="yes"]', 350); await tap('[data-followup="dehydration"][data-answer="yes"]', 350); await page.locator('#followup-guidance').waitFor(); await caption('Mild report: steady water, no straining, gentle care — general self-care, not a diagnosis', 2600); await indicate('#followup-guidance'); await caption('And it never claims the photo ruled out bleeding', 1900); await tap('[data-followup="tarryBlack"][data-answer="yes"]', 600); await page.locator('#urgent-box .alert').waitFor(); await caption('Say it was truly black and tarry and the same deterministic red-flag path fires instead', 2600); await tap('[data-followup="tarryBlack"][data-answer="no"]', 500); await page.locator('#urgent-box .alert').waitFor({ state: 'detached' }); await caption('Dark brown is not silently escalated, and the flag clears the moment the answer changes', 2200); await tap('#close-sheet', 450); await caption('Closing the log keeps the draft in this session instead of throwing it away', 1600); await caption('Now the same photo flow while the vision worker is offline', 1500); visionOffline = true; await tap('[data-scan]', 550); await page.getByText(/Vision worker offline/i).waitFor(); await caption('Vision worker offline — the AI and consent steps disappear instead of failing after upload', 1900); await indicate('label[for="gallery-photo"]'); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/synthetic-type4.jpg'); await page.getByText(/Ready for your review/i).waitFor(); await caption('No consent prompt and no upload when analysis cannot run', 1600); await tap('#manual-from-scan', 500); const keptDraft = await page.locator('.draft-resume').innerText({ timeout: 5000 }); if (!/Type 2/.test(keptDraft)) throw new Error('The retained draft must show the value the user corrected to'); await caption('One tap still reaches manual Bristol entry, and the draft keeps your corrected value', 1800); await tap('#discard-draft', 500); await caption('Start over clears the kept draft — nothing lingers silently', 1500); await tap('#close-sheet', 450); // Post-load readiness pass (issue #15): the worker answers, but its pinned model is not resident // yet. The app must withhold AI instead of offering a control that fails after the upload. Every // claim below is asserted in the browser, so the recording cannot show a state the app does not have. modelLoaded = false; visionOffline = false; await caption('Now the same worker while its pinned model is still loading', 1700); await tap('[data-scan]', 550); await page.getByText(/model is not loaded yet/i).first().waitFor(); if (await page.getByText(/Self-hosted model ready/i).count() !== 0) { throw new Error('A reachable worker without its loaded model must never be reported ready'); } const loadingAmber = await page.locator('.model-status.loading').first().evaluate(el => getComputedStyle(el).backgroundColor); if (loadingAmber !== 'rgb(253, 243, 216)') throw new Error('The not-loaded state must be visually distinct from ready and offline'); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/synthetic-type4.jpg'); await page.getByText(/Ready for your review/i).waitFor(); if (await page.locator('#analyze-photo').count() !== 0) throw new Error('No AI control may exist before the model is loaded'); if (await page.locator('.consent-card').count() !== 0) throw new Error('No consent may be requested before the model is loaded'); await caption('Reachable is not loaded: no AI control, no consent, and no upload until the pinned model is resident', 2900); await tap('#manual-from-scan', 500); await page.getByText('Pick the closest form').waitFor(); await caption('One tap still reaches manual Bristol entry while the model finishes loading', 2000); await tap('#close-sheet', 450); modelLoaded = true; await caption('Once the pinned model is loaded, the same screen offers the AI analysis again', 2200); await tap('[data-scan]', 550); await page.getByText(/Self-hosted model ready/i).waitFor(); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/synthetic-type4.jpg'); await page.getByText(/Ready for your review/i).waitFor(); if (await page.locator('.consent-card').isVisible() !== true) throw new Error('The AI path must return once the model is loaded'); if (await page.locator('#analyze-photo').count() !== 1) throw new Error('The analyze control must return once the model is loaded'); await tap('#close-sheet', 450); // Corpus refusal pass (issue #18): the same photo flow, fed the answers Timmy has to refuse. visionOffline = false; await caption('The corpus also replays the answers Timmy has to refuse', 1700); analyzeOverride = await corpusAnalyzeResult(corpusCase('non-stool-scene')); await tap('[data-scan]', 500); await page.getByText(/Self-hosted model ready/i).waitFor(); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/vision-corpus/non-stool-scene.png'); await page.locator('#ai-consent').check(); await tap('#analyze-photo', 600); await page.getByText(/No confident match/i).waitFor(); await caption('A non-stool photo gets a refusal, never a guess — manual entry stays one tap away', 2600); await indicate('.scan-result'); analyzeOverride = await corpusAnalyzeResult(corpusCase('glare-overexposed')); await tap('#retake-photo', 400); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/vision-corpus/glare-overexposed.png'); await page.locator('#ai-consent').check(); await tap('#analyze-photo', 600); await page.getByText(/does not show a form Timmy can read safely/i).waitFor(); await caption('Unreadable visual fields abstain as well: a valid reply with nothing to prefill is not an error', 2700); await indicate('.scan-result'); analyzeOverride = await corpusAnalyzeResult(corpusCase('out-of-range-fields')); await tap('#retake-photo', 400); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/vision-corpus/out-of-range-fields.png'); await page.locator('#ai-consent').check(); await tap('#analyze-photo', 600); await page.getByText(/couldn’t analyze that safely/i).waitFor(); await caption('An out-of-range answer fails closed: nothing is applied and no provider detail reaches you', 2700); await indicate('.scan-result'); // Issue #73's escape class: one field blank, the other filled in and impossible. The old blank-first // ordering abstained here, which told the user the photo was unreadable while the model had returned a // value Timmy must never apply. The scene is asserted in the browser, not just captioned. analyzeOverride = await corpusAnalyzeResult(corpusCase('blank-plus-out-of-range')); await tap('#retake-photo', 400); await page.locator('#gallery-photo').setInputFiles('tests/fixtures/vision-corpus/blank-plus-out-of-range.png'); await page.locator('#ai-consent').check(); await tap('#analyze-photo', 600); await page.getByText(/couldn’t analyze that safely/i).waitFor(); if (await page.getByText(/No confident match/i).count() !== 0) { throw new Error('A filled-in out-of-range field must not be shown as an unreadable-photo abstention'); } await caption('A filled-in field that is out of range still fails closed, even when the other field came back blank', 2900); await indicate('.scan-result'); await caption('You are no longer told the photo was unreadable when the model returned an impossible value', 2400); await indicate('.scan-result'); await caption('Every refusal replays a committed synthetic fixture — there are no real photos in the corpus', 2500); analyzeOverride = null; await tap('#close-sheet', 450); // Explainable pattern summary (issue #34). The recording seeds fictional multi-day sample logs into // the app's own local ledger contract, then follows one summary line to the exact records behind it. // Every claim below is checked in the browser, and no real health data is involved anywhere. const seedSyntheticLedger = async entries => { const key = await page.evaluate(() => `timmy:${document.querySelector('meta[name="timmy-base-path"]')?.content || '/'}:ledger-v1`); await page.evaluate(({ storeKey, list }) => localStorage.setItem(storeKey, JSON.stringify(list)), { storeKey: key, list: entries }); await page.reload({ waitUntil: 'networkidle' }); }; const sampleDay = (id, daysAgo, bristolType) => ({ id, occurredAt: new Date(Date.now() - daysAgo * 86400000).toISOString(), bristolType, color: 'brown', urgency: 1, discomfort: 1, note: '', photoDataUrl: '', symptoms: {}, }); await caption('The journal explains its own pattern lines instead of just asserting a trend', 2200); await seedSyntheticLedger([ sampleDay('demo-firm', 2, 2), sampleDay('demo-typical-1', 5, 3), sampleDay('demo-typical-2', 9, 4), sampleDay('demo-typical-3', 12, 4), sampleDay('demo-old', 40, 6), ]); await caption("Fictional sample logs are seeded into this browser's own storage — no real health data appears here", 2600); await page.locator('[data-pattern-summary]').waitFor(); await indicate('[data-pattern-summary]'); await caption('The summary says which confirmed logs it read, and a citation opens exactly those records', 2400); await indicate('[data-statement="typical"]'); await tap('[data-statement-link="typical"]', 650); const citedRecords = await page.locator('[data-summary-record]').evaluateAll(nodes => nodes.map(node => node.getAttribute('data-entry-id')).sort()); if (JSON.stringify(citedRecords) !== JSON.stringify(['demo-typical-1', 'demo-typical-2', 'demo-typical-3'])) { throw new Error('A summary citation must list exactly the records it cites'); } await caption('Every pattern line names the confirmed logs behind it, and following one shows exactly those records', 2900); await indicate('[data-summary-records]'); await tap('#pattern-records-close', 450); await seedSyntheticLedger([sampleDay('demo-sparse-1', 1, 4), sampleDay('demo-sparse-2', 4, 6)]); await page.locator('[data-summary-insufficient]').waitFor(); await indicate('[data-summary-insufficient]'); await caption('Two logs is not a pattern: the summary refuses to describe a trend it cannot support', 2900); // Restore the empty ledger the earlier scenes started from, so the rest of the recording is unchanged. await page.evaluate(() => localStorage.clear()); await page.reload({ waitUntil: 'networkidle' }); await caption('The threat model documents this surface, so the recording shows it live rather than describing it', 2200); await tap('[data-view="calendar"]', 550); await page.getByText(/Your private journal/i).waitFor(); await tap('[data-view="privacy"]', 550); await page.getByText(/Your poop\. Your phone\./i).waitFor(); await caption('Every byte-bearing control the model names, in the running app: local ledger, consent-gated upload, portable export, full deletion', 2800); await indicate('#export'); await caption('Export writes a plain JSON file you hold — the model records it as a data-lifetime boundary, not a server sync', 2600); await indicate('#delete-all'); await caption('Delete all local data clears the ledger in this browser; there is no server copy of it to keep', 2600); await tap('[data-view="home"]', 500); await tap('[data-view="timmy"]', 550); await page.getByText(/Hermes Agent connected/i).waitFor(); await caption('Hermes Agent connected — free-text, contextual, and server-side', 1400); await page.locator('#chat-message').fill('What pattern do you see?'); await tap('#send-chat', 500); await page.getByText(/mostly Type 4/i).waitFor(); await caption('Hermes keeps credentials, tools, and session continuity server-side. Photos stay out of chat.', 1600); await page.locator('#chat-message').fill('I barfed'); await tap('#send-chat', 450); await page.getByText(/Pause and get medical help/i).waitFor(); if (hermesCalls !== 1) throw new Error('Urgent chat must be intercepted before Hermes'); await caption('Urgent language is intercepted deterministically before Hermes', 1800); // Issue #21 — the escalation has to fire for the phrasing people actually use, not only for the one // word the previous scene typed. Each line below is asserted in the browser: exactly one new Timmy // bubble, carrying the app's own fixed copy, with hermesCalls unmoved. const escalationBubbles = () => page.locator('.bubble.timmy', { hasText: 'Pause and get medical help' }).count(); const expectEscalation = async (text, label) => { const before = await escalationBubbles(); await page.locator('#chat-message').fill(text); await tap('#send-chat', 450); const bubble = page.locator('.bubble.timmy', { hasText: 'Pause and get medical help' }).last(); await bubble.waitFor(); if (await escalationBubbles() !== before + 1) throw new Error(`${label}: expected exactly one escalation bubble`); if (!/^Pause and get medical help\. These reported symptoms can need prompt medical care\./.test(await bubble.innerText())) { throw new Error(`${label}: the escalation copy must be the app's own fixed string`); } if (hermesCalls !== 1) throw new Error(`${label}: an escalated turn must not reach Hermes`); }; await expectEscalation('There is blood when I wipe', 'bleeding reported as wiping'); await caption('Bleeding reported as wiping still escalates, in the app’s own fixed words', 2600); await expectEscalation('I have tarry stools', 'tarry stool'); await caption('Tarry and black stool wording escalates too: one red flag, one unchanging message', 2600); // The same detector runs over the confirmed ledger, so a symptom already written down as a note // escalates even when the question itself is innocuous. The seeded entry is fictional and stays in // this browser, exactly like the summary scene above. await page.evaluate(() => localStorage.clear()); await seedSyntheticLedger([{ ...sampleDay('demo-tarry-note', 1, 4), note: 'stool was tarry yesterday' }]); await tap('[data-view="timmy"]', 550); const ledgerEscalations = await escalationBubbles(); await page.locator('#chat-message').fill('What do my recent logs show?'); await tap('#send-chat', 450); await page.locator('.bubble.timmy', { hasText: 'Pause and get medical help' }).last().waitFor(); if (await escalationBubbles() !== ledgerEscalations + 1) throw new Error('a tarry note in the journal must escalate the next answer'); if (hermesCalls !== 1) throw new Error('a ledger red flag must be intercepted before Hermes'); await caption('A tarry note already saved in the journal escalates the same way, before any provider call', 2800); await page.evaluate(() => localStorage.clear()); await page.reload({ waitUntil: 'networkidle' }); await tap('[data-view="timmy"]', 500); await sleep(400); await page.evaluate(() => { document.querySelector('#demo-caption')?.remove(); const outro = document.createElement('div'); outro.id = 'release-outro'; outro.innerHTML = 'SLEEK. SIMPLE.
HERMES-POWERED.
User-confirmed guidance — never a diagnosis.'; Object.assign(outro.style, { position:'fixed', inset:'0', zIndex:'30000', background:'linear-gradient(145deg,#f7f3ea,#f5c95b)', display:'flex', flexDirection:'column', alignItems:'center', justifyContent:'center', textAlign:'center', color:'#28211d', fontFamily:'system-ui', opacity:'0' }); outro.querySelector('img').style.cssText = 'width:150px;height:150px;filter:drop-shadow(0 14px 16px rgba(63,37,30,.18))'; outro.querySelector('strong').style.cssText = 'font-size:31px;line-height:1.05;margin:18px 0 12px;letter-spacing:-.04em'; outro.querySelector('span').style.cssText = 'font-size:13px;font-weight:800;color:#176957'; document.body.append(outro); outro.animate([{opacity:0},{opacity:1}], {duration:500,fill:'forwards'}); }); await sleep(2200); // The refusal pass deliberately produces two fail-closed 503s (an out-of-range reply, and one blank field // beside an out-of-range one), which the browser logs as failed resources. Requiring exactly those two // keeps the scene honest: if the boundary stops refusing, this fails instead of quietly recording a happy // path, and a dropped scene is caught rather than silently shrinking the evidence. const expectedFailClosed = errors.filter(message => /Failed to load resource: the server responded with a status of 503 \(Service Unavailable\)/.test(message)); if (expectedFailClosed.length !== 2 || errors.length !== expectedFailClosed.length) { throw new Error(`Browser errors: ${errors.join(' | ') || 'unexpected error count'}`); } // Machine-readable receipt of exactly what was rendered on camera, so the release gate can prove // the recorded delta statement reached the screen instead of trusting the script source. if (captionsOut) { await writeFile(captionsOut, JSON.stringify({ version, releaseDelta, captions: captionsShown }, null, 2) + '\n', 'utf8'); } const recording = page.video(); await page.close(); await recording.saveAs(output); await context.close(); await browser.close(); console.log(output);