DeepSeek V4.1 Flash (Venice) (thinking on) on Looping fireworks show in one self-contained HTML file
DDeepSeek V4.1 Flash (Venice)thinking on · venice-mini-agent v1.3 · cloud · 2026-10-21 · by @bobsiopener
- Estimated cost
- $0.02
- Wall time
- 2m
- Human step-ins
- 0
- Outcome
- Pass
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Rescored on 2026-10-28. Previous score: 85.0 / 100, outcome: success. See the previous run.
Summary
Exact prompt
# Looping fireworks show in one self-contained HTML file Make a fireworks show that keeps going: rockets, bursts, sparkles, finales, your call. Style, colours and technique (CSS, SVG, canvas) are up to you. **Looks are not scored**; only the objective checks below are. Write one file, `fireworks.html`, in the working directory. ## Checks (all must pass; partial credit = fraction passed) 1. `file_exists_under_size_limit`: `fireworks.html` exists and is at most 100,000 bytes (100 KB). 2. `no_external_requests`: fully self-contained. No `http://`, `https://` or `//` URLs in `src`, `href`, `srcset`, `poster`, `action`, `data` or `url()`, no asset URLs anywhere, no `@import`, `fetch(`, `XMLHttpRequest`, `WebSocket`, `EventSource`, `sendBeacon`, JS `import`, `<script src>` or `<link href>` (inline everything; `data:` URIs are fine). When a browser is used, any non-file request the page attempts also fails this check. 3. `animation_present`: CSS `@keyframes` plus an `animation`/`animation-name` property, or `requestAnimationFrame(` / `setInterval(`. 4. `loops_forever`: an `infinite` CSS animation (`animation-iteration-count: infinite` or `infinite` in the `animation` shorthand), or rAF/`setInterval` with no `cancelAnimationFrame`/`clearInterval` anywhere; when a browser is used, the page must also still change between ~6 s and ~7 s after load. 5. `page_animates`: when a headless Chrome/Chromium is available, the page is opened once with the network blocked at 800x600, and screenshots at ~1.5 s and ~2.5 s after load must differ. Without a browser (or if it fails to start) this and the browser part of check 4 fall back to the static checks 3-4; the scorer reports `check_mode` (`headless-browser` or `static-fallback`). 6. `required_id_and_title`: an element with `id="fireworks"` and a `<title>` containing "Fireworks" (case-insensitive). No other files, no build step, no network. Run time limit for scoring: 120 s.
Create a looping fireworks show in a single offline HTML page using CSS, SVG or canvas. Passing requires a file under 100 KB with no external requests, an animation that loops forever and changes between screenshots taken in headless Chrome, and the stated element id and title. The scorer ignores aesthetics; a public poll compares the results. Original benchmark task written for usecaserank.com (not based on a specific public post). Headless, offline run on a reproducible fixture. Cost shown is a list-price estimate (measured tokens x the site's price table). Rescore note (Oct 21, 2026): this run was first scored 0/6 because the checker timed out while running its browser checks. The timeout was a fault in the checker, not in the model's output. After the Oct 21 checker-timeout audit, the same output was rescored at 6/6.
Success criteria: 1. file_exists_under_size_limit 2. no_external_requests 3. animation_present 4. loops_forever 5. page_animates 6. required_id_and_title
Setup notes: Use Case Scout batch 11 case l04-fireworks-show (offline, open-ended creative brief). Prepared with the case's setup script; hidden checker kept outside the agent's work dir. Prompt = TASK.md verbatim. Scored on the box with the case's scorer (headless Chrome over a CDP pipe, network blocked). Tools: list_files/read_file/write_file/run_shell (venice-mini-agent v1.3), web disabled. Single run, no retries. Output rendered offline (google-chrome headless, network blocked): PNG 1280x800 at ~3 s after load; MP4 1280x720 H.264 ~6 s. Harness: venice-mini-agent v1.3 via the Venice OpenAI-compatible API: same tool loop, system prompt and limits as the cases 02-25 Venice runs (max 25 turns, max 16,000 output tokens per call, temperature 0.2, Venice system prompt and web search off, per-run cost cap $0.08, thinking on (model default)). Same task text, work-dir layout and scorer as the Claude runs of this case. Cost = measured per-call tokens x Venice list price; paid from the Venice DIEM daily allowance. Harness: venice-mini-agent v1.3 via Venice OpenAI-compatible API (16000 max tokens/call, $0.08 run cap). Score: 6/6. Rescored 0/6 to 6/6 after the Oct 21 checker-timeout audit (checker fault, not model output). Cost is an ESTIMATE: measured per-call tokens x the site's list-price table (paid from Venice DIEM allowance; Venice billing not itemized). input tokens include cached reads. Single run.
Estimated cost List-price estimate; not actually billed.
Output
Metrics
- Estimated cost
- $0.02
- Wall time
- 2m
- Human step-ins
- 0
- Turns
- 15
| Model | Input tok | Output tok | Cost |
|---|---|---|---|
| DDeepSeek V4.1 Flash (Venice)venice/deepseek-v4-1-flashthinking on | 82,634 | 14,203 | $0.02 |
Reproduce this run
- Use the use case prompt on the use case page.
- Same setup: DeepSeek V4.1 Flash (Venice) (venice/deepseek-v4-1-flash, thinking on) via
venice-mini-agent v1.3, cloud. - It counts as a success only if it meets every success criterion: 1. file_exists_under_size_limit 2. no_external_requests 3. animation_present 4. loops_forever 5. page_animates 6. required_id_and_title
- Log model, tokens, wall time, human step-ins and the evidence log, then submit it as a reproduction. A different model? Submit a head-to-head rerun.
How runs are scored: Methodology.
Was this useful?
Automated checks
Trust 80% comes from these checks (how Trust % works).
- Run date is not in the future : passed
- Model is in the dated pricing table : passed
- Cost recomputed from tokens matches : passed
- Cached tokens are consistent : passed
- Output throughput is plausible : passed
- Autonomy matches step-ins : passed
- Step-ins do not exceed turns : passed
- Retries agree with first-try result : passed
- Evidence log SHA-256 matches : passed
- Evidence log is substantial : passed
Evidence log
[
{
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"harness_version": "1.3",
"max_tokens_per_call": 16000,
"disable_thinking": false,
"run_cost_cap": 0.08,
"no_tools": false,
"resumed_from": null,
"model": "deepseek-v4-1-flash",
"start": "2026-10-20T20:12:37-0400",
"num_turns": 15,
"tool_calls": 16,
"usage": {
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},
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"cost_usd_venice_list": 0.02121,
"billed_reported_by_venice": 0.02121,
"wall_seconds": 105.7,
"final_message": "Done. I created `fireworks.html` in the working directory \u2014 a single self-contained looping fireworks show.\n\n**Implementation:** A full-screen `<canvas id=\"fireworks\">` driven by `requestAnimationFrame` (never cancelled). Rockets launch on a randomized schedule, trail upward, then explode into ring/burst/double-shell sparkle patterns with additive blending, gravity, drag, twinkle and flash glows. A periodic finale fires a rapid multi-rocket volley. A CSS `@keyframes pulse` animation on the HUD adds a second, purely-CSS infinite animation.\n\n**Verification against every check:**\n1. **file_exists_under_size_limit** \u2014 7,331 bytes (well under 100 KB).\n2. **no_external_requests** \u2014 no `http://`/`https://`/`//` URLs, no `@import`, `fetch`, `XMLHttpRequest`, `WebSocket`, `EventSource`, `sendBeacon`, JS `import`, `<script src>` or `<link href>`; no URL-bearing attributes at all. Confirmed by grep.\n3. **animation_present** \u2014 both `@keyframes` + `animation:` and `requestAnimationFrame(`.\n4. **loops_forever** \u2014 `animation: pulse 3s ... infinite` plus rAF with no `cancelAnimationFrame`/`clearInterval` anywhere. Verified in a real browser that the page still changes between 6 s and 7 s (128,380 differing pixels).\n5. **page_animates** \u2014 ran headless Chrome at 800\u00d7600 with network blocked via CDP; screenshots at ~1.5 s vs ~2.5 s differ (157,365 differing pixels), and 6 s vs 7 s also differ.\n6. **required_id_and_title** \u2014 `<canvas id=\"fireworks\">` and `<title>Fireworks Show</title>`.\n\nNo other files were added; the temp test artifacts were cleaned up.",
"error": null,
"fatal": false
},
"trace": [
{
"turn": 1,
"response": {
"id": "chatcmpl-50a0dabf",
"choices": [
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"message": {
"content": "I'll start by inspecting the working directory and checking what tools are available.",
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{
"index": 0,
"id": "call_9a1c78dfad1947df98305c45",
"type": "function",
"function": {
"name": "list_files",
"arguments": "{\"path\":\".\"}"
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"id": "call_b9ad515d19e9459eadffe0b5",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"which google-chrome chromium chromium-browser chrome 2>/dev/null; echo \\\"---\\\"; ls -la\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Let me create a self-contained HTML file with a canvas-based fireworks show that loops forever.\n\nLet me check the working directory first, then write the file.\n\nKey requirements:\n- `fireworks.html` under 100KB\n- No external requests\n- Animation present (rAF)\n- Loops forever (rAF with no cancelAnimationFrame)\n- Page animates (screenshots differ)\n- `id=\"fireworks\"` element and `<title>` containing \"Fireworks\"\n\nLet me write a nice canvas fireworks show.\n\nI'll make sure no `//` appears in problematic contexts. Note: `//` in JS comments could be flagged? The check says \"No `http://`, `https://` or `//` URLs in `src`, `href`, ...\". So `//` URLs specifically. But to be safe, avoid `//` comments in JS. Actually the check is about URLs in attributes. Let me just avoid `//` entirely to be safe \u2014 use `/* */` comments or no comments.\n\nAlso avoid `fetch(`, `XMLHttpRequest`, etc.\n\nLet me write the file.\n\nI'll build a canvas fireworks with rockets, bursts, sparkles, and periodic finales.\n\nLet me write it carefully.\n\nDesign:\n- Full-screen canvas with id=\"fireworks\"\n- Dark background with slight trail effect (fillRect with alpha)\n- Rockets launch from bottom, rise, then explode into particles\n- Particles have gravity, fade, sparkle\n- Periodic finale with many rockets\n\nLet me write the code.\n\n```html\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"utf-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title>Fireworks Show</title>\n<style>\n html, body { margin: 0; padding: 0; height: 100%; background: #05060a; overflow: hidden; }\n #fireworks { display: block; width: 100vw; height: 100vh; }\n @keyframes glowPulse { 0% { opacity: 0.6; } 50% { opacity: 1; } 100% { opacity: 0.6; } }\n .hud { position: fixed; ... animation: glowPulse 3s infinite; }\n</style>\n</head>\n<body>\n<canvas id=\"fireworks\"></canvas>\n<div class=\"hud\">Fireworks</div>\n<script>\n...\n</script>\n</body>\n</html>\n```\n\nWait, the check 3 requires CSS @keyframes plus animation property OR rAF/setInterval. I'll have both to be safe. Check 4 requires infinite CSS animation OR rAF with no cancel. I'll have both.\n\nLet me write the JS.\n\n```js\n(function () {\n var canvas = document.getElementById('fireworks');\n var ctx = canvas.getContext('2d');\n var W = 0, H = 0, DPR = 1;\n\n function resize() {\n DPR = Math.min(window.devicePixelRatio || 1, 2);\n W = canvas.clientWidth || window.innerWidth;\n H = canvas.clientHeight || window.innerHeight;\n canvas.width = Math.floor(W * DPR);\n canvas.height = Math.floor(H * DPR);\n ctx.setTransform(DPR, 0, 0, DPR, 0, 0);\n }\n window.addEventListener('resize', resize);\n resize();\n\n var rockets = [];\n var particles = [];\n var sparks = [];\n var hueBase = Math.random() * 360;\n\n function rand(a, b) { return a + Math.random() * (b - a); }\n\n function Rocket(x, targetY, hue, opts) {\n ...\n }\n ...\n})();\n```\n\nLet me just write a clean implementation.\n\nRocket: position x,y, velocity vx, vy, target y. Trail.\n\nActually simpler: rocket rises with vy negative, gravity applied; when vy >= 0 or y <= targetY, explode.\n\nParticle: x, y, vx, vy, life, maxLife, hue, size.\n\nExplosion types: ring, sphere, willow, chrysanthemum, double.\n\nLet me write.\n\nI'll use a trail effect: each frame, fill with rgba(5,6,10,0.18) to create fading trails. But that can leave residue; fine.\n\nActually for crispness, use 'lighter' composite for particles.\n\nLet me write the full code.\n\n```js\n(function () {\n \"use strict\";\n var canvas = document.getElementById(\"fireworks\");\n var ctx = canvas.getContext(\"2d\");\n var W = 800, H = 600, DPR = 1;\n\n function resize() {\n DPR = Math.min(window.devicePixelRatio || 1, 2);\n W = window.innerWidth;\n H = window.innerHeight;\n canvas.width = Math.max(1, Math.floor(W * DPR));\n canvas.height = Math.max(1, Math.floor(H * DPR));\n canvas.style.width = W + \"px\";\n canvas.style.height = H + \"px\";\n ctx.setTransform(DPR, 0, 0, DPR, 0, 0);\n }\n window.addEventListener(\"resize\", resize);\n resize();\n\n function rand(a, b) { return a + Math.random() * (b - a); }\n function pick(arr) { return arr[(Math.random() * arr.length) | 0]; }\n\n var rockets = [];\n var particles = [];\n\n function launch(opts) {\n opts = opts || {};\n var x = opts.x != null ? opts.x : rand(W * 0.12, W * 0.88);\n var targetY = opts.targetY != null ? opts.targetY : rand(H * 0.12, H * 0.45);\n var hue = opts.hue != null ? opts.hue : rand(0, 360);\n var speed = opts.speed != null ? opts.speed : rand(9, 13);\n rockets.push({\n x: x,\n y: H + 8,\n vx: rand(-1.2, 1.2),\n vy: -speed,\n targetY: targetY,\n hue: hue,\n type: opts.type || pick([\"ring\", \"sphere\", \"willow\", \"chrysanthemum\", \"double\"]),\n size: opts.size || rand(0.8, 1.4),\n trail: []\n });\n }\n ...\n})();\n```\n\nHmm, gravity for rocket: vy += 0.12 each frame. Explode when vy >= -1 or y <= targetY.\n\nLet me define explode(rocket).\n\nParticle creation depends on type.\n\nLet me write explode:\n\n```js\nfunction explode(r) {\n var count = Math.floor(rand(60, 130) * r.size);\n var hue = r.hue;\n var power = rand(3.2, 5.6) * r.size;\n var type = r.type;\n for (var i = 0; i < count; i++) {\n var a = (i / count) * Math.PI * 2 + rand(-0.05, 0.05);\n var sp;\n if (type === \"ring\") sp = power * rand(0.92, 1.02);\n else if (type === \"sphere\") sp = power * Math.sqrt(Math.random());\n else if (type === \"willow\") sp = power * rand(0.3, 1.0);\n else sp = power * rand(0.2, 1.0);\n var vx = Math.cos(a) * sp;\n var vy = Math.sin(a) * sp;\n var ph = hue + rand(-18, 18);\n ...\n }\n}\n```\n\nFor \"double\", create two rings with different hues.\n\nParticle object: x, y, vx, vy, life, maxLife, hue, sat, light, size, drag, gravity, twinkle.\n\nUpdate: vx *= drag; vy = vy * drag + gravity; x += vx; y += vy; life--.\n\nDraw with ctx.fillStyle = hsla.\n\nUse additive blending: ctx.globalCompositeOperation = \"lighter\".\n\nLet me write the render loop.\n\n```js\nvar last = performance.now();\nvar acc = 0;\nvar spawnTimer = 0;\nvar finaleTimer = 0;\nvar finaleActive = 0;\n\nfunction frame(now) {\n var dt = Math.min(50, now - last);\n last = now;\n ...\n requestAnimationFrame(frame);\n}\nrequestAnimationFrame(frame);\n```\n\nActually simpler to use fixed timestep-ish with dt scaling. Let me just use dt/16.67 as a factor.\n\nLet me keep it simple and robust: use a step factor.\n\nLet me write the whole thing now.\n\nBackground fade: ctx.globalCompositeOperation = \"source-over\"; ctx.fillStyle = \"rgba(4,5,12,0.22)\"; ctx.fillRect(0,0,W,H);\n\nThen draw particles with \"lighter\".\n\nAlso draw a subtle starfield? Optional. Keep simple.\n\nLet me also add ground glow.\n\nNow the HUD element with CSS animation for check 3/4 static fallback.\n\nLet me write the file.\n\nI need to be careful about the string \"//\" \u2014 avoid it. In JS, avoid `//` comments. Also avoid `http://`. Also avoid `url(` with external. I'll use `url()` nowhere. Actually check says no `url()` with external URLs; `url()` itself is fine but let me avoid entirely.\n\nAlso avoid `import` keyword. Avoid `fetch(`.\n\nLet me write.\n\nFor the title: `<title>Fireworks Show</title>` contains \"Fireworks\". Good.\n\nElement id=\"fireworks\" \u2014 the canvas.\n\nNow write the code fully.\n\nLet me think about particle count performance. With many rockets and particles, could be heavy but fine.\n\nLet me write final code.\n\n```html\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"utf-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title>Fireworks Show</title>\n<style>\n html, body {\n margin: 0;\n padding: 0;\n width: 100%;\n height: 100%;\n background: #04050c;\n overflow: hidden;\n }\n #fireworks {\n display: block;\n position: fixed;\n inset: 0;\n width: 100%;\n height: 100%;\n }\n .hud {\n position: fixed;\n left: 50%;\n bottom: 18px;\n transform: translateX(-50%);\n font-family: system-ui, -apple-system, \"Segoe UI\", Roboto, sans-serif;\n font-size: 13px;\n letter-spacing: 0.35em;\n text-transform: uppercase;\n color: #ffd9a0;\n text-shadow: 0 0 12px rgba(255, 170, 60, 0.9);\n pointer-events: none;\n animation: hudGlow 3.2s ease-in-out infinite;\n }\n @keyframes hudGlow {\n 0% { opacity: 0.35; text-shadow: 0 0 8px rgba(255, 170, 60, 0.5); }\n 50% { opacity: 1; text-shadow: 0 0 22px rgba(255, 200, 90, 1); }\n 100% { opacity: 0.35; text-shadow: 0 0 8px rgba(255, 170, 60, 0.5); }\n }\n</style>\n</head>\n<body>\n<canvas id=\"fireworks\"></canvas>\n<div class=\"hud\">Fireworks</div>\n<script>\n(function () {\n \"use strict\";\n ...\n})();\n</script>\n</body>\n</html>\n```\n\nNow the JS. Let me write it out.\n\n```js\n var canvas = document.getElementById(\"fireworks\");\n var ctx = canvas.getContext(\"2d\", { alpha: false });\n var W = 800, H = 600, DPR = 1;\n\n function resize() {\n DPR = Math.min(window.devicePixelRatio || 1, 2);\n W = Math.max(1, window.innerWidth);\n H = Math.max(1, window.innerHeight);\n canvas.width = Math.floor(W * DPR);\n canvas.height = Math.floor(H * DPR);\n ctx.setTransform(DPR, 0, 0, DPR, 0, 0);\n ctx.fillStyle = \"#04050c\";\n ctx.fillRect(0, 0, W, H);\n }\n window.addEventListener(\"resize\", resize);\n resize();\n\n function rand(a, b) { return a + Math.random() * (b - a); }\n function pick(a) { return a[(Math.random() * a.length) | 0]; }\n\n var rockets = [];\n var particles = [];\n var flashes = [];\n\n var TYPES = [\"ring\", \"sphere\", \"willow\", \"chrysanthemum\", \"double\", \"palm\"];\n\n function launch(opt) {\n opt = opt || {};\n var x = opt.x != null ? opt.x : rand(W * 0.1, W * 0.9);\n var targetY = opt.targetY != null ? opt.targetY : rand(H * 0.1, H * 0.5);\n var hue = opt.hue != null ? opt.hue : rand(0, 360);\n var speed = opt.speed != null ? opt.speed : rand(8.5, 12.5);\n rockets.push({\n x: x,\n y: H + 6,\n vx: rand(-1.1, 1.1),\n vy: -speed,\n targetY: targetY,\n hue: hue,\n type: opt.type || pick(TYPES),\n scale: opt.scale || rand(0.75, 1.35),\n px: x,\n py: H + 6\n });\n }\n\n function addParticle(x, y, vx, vy, hue, life, size, opts) {\n opts = opts || {};\n particles.push({\n x: x, y: y, vx: vx, vy: vy,\n hue: hue,\n sat: opts.sat != null ? opts.sat : 100,\n light: opts.light != null ? opts.light : 62,\n life: life,\n maxLife: life,\n size: size,\n drag: opts.drag != null ? opts.drag : 0.965,\n grav: opts.grav != null ? opts.grav : 0.045,\n twinkle: opts.twinkle != null ? opts.twinkle : 0.5,\n px: x, py: y\n });\n }\n\n function explode(r) {\n var hue = r.hue;\n var power = rand(3.0, 5.4) * r.scale;\n var type = r.type;\n var count = Math.floor(rand(70, 140) * r.scale);\n\n flashes.push({ x: r.x, y: r.y, life: 12, maxLife: 12, hue: hue, r: 90 * r.scale });\n\n if (type === \"double\") {\n var hue2 = (hue + rand(120, 240)) % 360;\n ring(r.x, r.y, hue, power, count);\n ring(r.x, r.y, hue2, power * 0.62, Math.floor(count * 0.7));\n return;\n }\n\n for (var i = 0; i < count; i++) {\n var a = (i / count) * Math.PI * 2 + rand(-0.06, 0.06);\n var sp;\n if (type === \"ring\") sp = power * rand(0.94, 1.03);\n else if (type === \"sphere\") sp = power * Math.sqrt(Math.random());\n else if (type === \"willow\") sp = power * rand(0.25, 1.0);\n else if (type === \"palm\") sp = power * rand(0.55, 1.0);\n else sp = power * rand(0.15, 1.0);\n\n var vx = Math.cos(a) * sp;\n var vy = Math.sin(a) * sp;\n var ph = hue + rand(-20, 20);\n var life = rand(45, 95) * (type === \"willow\" ? 1.5 : 1);\n var size = rand(1.1, 2.6) * r.scale;\n var grav = type === \"willow\" ? 0.06 : 0.045;\n var drag = type === \"willow\" ? 0.975 : 0.962;\n addParticle(r.x, r.y, vx, vy, ph, life, size, { grav: grav, drag: drag, twinkle: rand(0.2, 0.9) });\n }\n }\n\n function ring(x, y, hue, power, count) {\n for (var i = 0; i < count; i++) {\n var a = (i / count) * Math.PI * 2;\n var sp = power * rand(0.95, 1.02);\n addParticle(x, y, Math.cos(a) * sp, Math.sin(a) * sp, hue + rand(-12, 12), rand(50, 85), rand(1.2, 2.4), {});\n }\n }\n```\n\nUpdate loop:\n\n```js\n var spawnAcc = 0;\n var spawnEvery = 0.55; // seconds\n var finaleAcc = 0;\n var finaleEvery = 14; // seconds\n var finaleLeft = 0;\n var finaleTick = 0;\n\n function update(dt) {\n // spawn\n spawnAcc += dt;\n if (spawnAcc >= spawnEvery) {\n spawnAcc = 0;\n launch({});\n if (Math.random() < 0.35) launch({});\n }\n\n // finale\n finaleAcc += dt;\n if (finaleAcc >= finaleEvery) {\n finaleAcc = 0;\n finaleLeft = 2.6;\n finaleTick = 0;\n }\n if (finaleLeft > 0) {\n finaleLeft -= dt;\n finaleTick -= dt;\n if (finaleTick <= 0) {\n finaleTick = 0.09;\n launch({ scale: rand(0.9, 1.5), speed: rand(10, 14) });\n }\n }\n\n // rockets\n for (var i = rockets.length - 1; i >= 0; i--) {\n var r = rockets[i];\n r.px = r.x; r.py = r.y;\n r.vy += 0.16 * dt * 60 * 0.0167; // hmm\n ...\n }\n }\n```\n\nHmm, let me simplify by using dt in seconds and velocities in px per frame at 60fps. Let me define a step factor `k = dt * 60` (frames). Then apply per-frame physics multiplied by k.\n\nActually easier: use fixed timestep accumulator. Let me do:\n\n```js\nvar acc = 0;\nvar STEP = 1 / 60;\nfunction frame(now) {\n var dt = (now - last) / 1000;\n last = now;\n if (dt > 0.1) dt = 0.1;\n acc += dt;\n while (acc >= STEP) {\n update(STEP);\n acc -= STEP;\n }\n render();\n requestAnimationFrame(frame);\n}\n```\n\nAnd update uses STEP as dt (seconds). Velocities in px/frame. So position += v * (dt*60). Let me define `var f = dt * 60;` inside update and multiply.\n\nLet me write update with f.\n\n```js\n function update(dt) {\n var f = dt * 60;\n\n spawnAcc += dt;\n if (spawnAcc >= spawnEvery) {\n spawnAcc -= spawnEvery;\n launch({});\n if (Math.random() < 0.4) launch({});\n }\n\n finaleAcc += dt;\n if (finaleAcc >= finaleEvery) {\n finaleAcc = 0;\n finaleLeft = 2.8;\n finaleTick = 0;\n }\n if (finaleLeft > 0) {\n finaleLeft -= dt;\n finaleTick -= dt;\n if (finaleTick <= 0) {\n finaleTick = 0.08;\n launch({ scale: rand(0.9, 1.5), speed: rand(10, 14) });\n }\n }\n\n for (var i = rockets.length - 1; i >= 0; i--) {\n var r = rockets[i];\n r.px = r.x; r.py = r.y;\n r.vy += 0.14 * f;\n r.x += r.vx * f;\n r.y += r.vy * f;\n if (r.vy >= -0.6 || r.y <= r.targetY) {\n explode(r);\n rockets.splice(i, 1);\n }\n }\n\n for (var j = particles.length - 1; j >= 0; j--) {\n var p = particles[j];\n p.px = p.x; p.py = p.y;\n p.vx *= Math.pow(p.drag, f);\n p.vy = p.vy * Math.pow(p.drag, f) + p.grav * f;\n p.x += p.vx * f;\n p.y += p.vy * f;\n p.life -= f;\n if (p.life <= 0 || p.y > H + 40) particles.splice(j, 1);\n }\n\n for (var k = flashes.length - 1; k >= 0; k--) {\n flashes[k].life -= f;\n if (flashes[k].life <= 0) flashes.splice(k, 1);\n }\n }\n```\n\nWait, rocket vy starts at -speed (e.g., -10). Gravity 0.14 per frame. It takes ~70 frames to reach 0. That's fine. But targetY check: y <= targetY triggers explosion. With speed 10 px/frame, from H=600 to targetY=200 is 400px \u2192 40 frames. Good.\n\nHmm but vy >= -0.6 means near apex. Both conditions. Fine.\n\nRender:\n\n```js\n function render() {\n ctx.globalCompositeOperation = \"source-over\";\n ctx.fillStyle = \"rgba(4, 5, 12, 0.22)\";\n ctx.fillRect(0, 0, W, H);\n\n ctx.globalCompositeOperation = \"lighter\";\n\n // flashes\n for (var k = 0; k < flashes.length; k++) {\n var fl = flashes[k];\n var t = fl.life / fl.maxLife;\n var rad = fl.r * (1.4 - t * 0.4);\n var g = ctx.createRadialGradient(fl.x, fl.y, 0, fl.x, fl.y, rad);\n g.addColorStop(0, \"hsla(\" + fl.hue + \", 100%, 85%, \" + (0.55 * t) + \")\");\n g.addColorStop(1, \"hsla(\" + fl.hue + \", 100%, 60%, 0)\");\n ctx.fillStyle = g;\n ctx.beginPath();\n ctx.arc(fl.x, fl.y, rad, 0, Math.PI * 2);\n ctx.fill();\n }\n\n // rockets\n for (var i = 0; i < rockets.length; i++) {\n var r = rockets[i];\n ctx.strokeStyle = \"hsla(\" + r.hue + \", 100%, 75%, 0.9)\";\n ctx.lineWidth = 2;\n ctx.beginPath();\n ctx.moveTo(r.px, r.py);\n ctx.lineTo(r.x, r.y);\n ctx.stroke();\n ctx.fillStyle = \"hsla(\" + r.hue + \", 100%, 92%, 1)\";\n ctx.beginPath();\n ctx.arc(r.x, r.y, 2.2, 0, Math.PI * 2);\n ctx.fill();\n }\n\n // particles\n for (var j = 0; j < particles.length; j++) {\n var p = particles[j];\n var lt = p.life / p.maxLife;\n var alpha = Math.max(0, Math.min(1, lt));\n var tw = 1;\n if (p.twinkle > 0) {\n tw = 0.55 + 0.45 * Math.sin((p.life * 0.6) + p.x * 0.05);\n }\n var light = p.light * (0.6 + 0.4 * lt);\n ctx.strokeStyle = \"hsla(\" + p.hue + \", \" + p.sat + \"%, \" + light + \"%, \" + (alpha * tw) + \")\";\n ctx.lineWidth = p.size * (0.5 + 0.5 * lt);\n ctx.beginPath();\n ctx.moveTo(p.px, p.py);\n ctx.lineTo(p.x, p.y);\n ctx.stroke();\n }\n\n ctx.globalCompositeOperation = \"source-over\";\n }\n```\n\nUsing line segments for particles gives nice streaks.\n\nNow the main loop with rAF, no cancelAnimationFrame.\n\n```js\n var last = performance.now();\n var acc = 0;\n var STEP = 1 / 60;\n\n function frame(now) {\n var dt = (now - last) / 1000;\n last = now;\n if (dt > 0.1) dt = 0.1;\n if (dt < 0) dt = 0;\n acc += dt;\n var guard = 0;\n while (acc >= STEP && guard < 8) {\n update(STEP);\n acc -= STEP;\n guard++;\n }\n if (guard >= 8) acc = 0;\n render();\n requestAnimationFrame(frame);\n }\n requestAnimationFrame(frame);\n```\n\nAlso initial launch so something happens immediately.\n\nLet me add a few initial launches at start.\n\nAlso, the check \"page must still change between ~6s and ~7s after load\" \u2014 with continuous spawning every 0.55s, definitely changes.\n\nNow, one concern: `ctx.getContext(\"2d\", { alpha: false })` \u2014 with alpha false, the trail fade using rgba with alpha won't blend properly? Actually with alpha:false, the canvas is opaque; fillRect with rgba(4,5,12,0.22) still blends over existing content normally (source-over). That's fine. But the initial fill is opaque. Good.\n\nHmm, but with alpha:false, `globalCompositeOperation = \"lighter\"` still works. Fine.\n\nActually, let me use alpha:true default to be safe with the fade. Either works. I'll use default (no options) to avoid issues. Actually alpha:false is fine and faster. Let me keep default to be safe.\n\nLet me also handle the case where window.innerWidth is 0 (headless). Use fallback.\n\nNow let me also make sure there's no `//` anywhere. In CSS `inset: 0;` fine. No `//`.\n\nCheck: \"no `//` URLs in src, href, ...\". My file has no src/href at all. Good. But also \"no asset URLs anywhere\". Fine.\n\nAlso avoid the substring `//` in JS. Let me scan: `Math.PI * 2` fine. No comments with `//`. Good.\n\nWait, `hsla(...)` strings \u2014 fine.\n\nOne more: the check might search for `import` keyword. I don't use it. `fetch(` not used. Good.\n\nLet me also double check: \"no `url()`\". I don't use url(). Good.\n\nNow write the file.\n\nLet me also add a subtle starfield drawn once? Not necessary.\n\nLet me finalize and write.\n\nActually, let me reconsider the trail fade alpha. 0.22 leaves trails that fade over ~10 frames. Good for streaks.\n\nLet me write the file now.\n\nAlso add `will-change` maybe not needed.\n\nLet me produce the final HTML.\n\nI'll also add a small ground reflection glow at bottom for aesthetics (optional). Skip to keep simple.\n\nLet me write it.\n\nOne thing: the HUD text \"Fireworks\" at bottom. Fine.\n\nLet me write the file and then verify with a quick check (grep for forbidden patterns, file size). Also maybe run a headless chrome if available to test. Let me check if chromium is available.\n\nLet me write the file first."
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"tool": "run_shell",
"args": {
"command": "which google-chrome chromium chromium-browser chrome 2>/dev/null; echo \"---\"; ls -la"
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"result": "exit=0\nstdout:\n/usr/bin/google-chrome\n---\ntotal 12\ndrwxr-xr-x 2 box box 4096 Oct 20 20:12 .\ndrwxr-xr-x 5 box box 4096 Oct 20 20:12 ..\n-rw-r--r-- 1 box box 1941 Oct 20 20:12 TASK.md\n\nstderr:\n"
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"content": "Headless Chrome is available. Let me write the fireworks file.",
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"arguments": "{\"path\":\"fireworks.html\",\"content\":\"<!DOCTYPE html>\\n<html lang=\\\"en\\\">\\n<head>\\n<meta charset=\\\"utf-8\\\">\\n<meta name=\\\"viewport\\\" content=\\\"width=device-width, initial-scale=1\\\">\\n<title>Fireworks Show</title>\\n<style>\\n html, body {\\n margin: 0;\\n padding: 0;\\n width: 100%;\\n height: 100%;\\n overflow: hidden;\\n background: #05060f;\\n }\\n #fireworks {\\n display: block;\\n width: 100vw;\\n height: 100vh;\\n background: radial-gradient(circle at 50% 120%, #101a33 0%, #05060f 60%, #01010a 100%);\\n }\\n #hud {\\n position: fixed;\\n left: 12px;\\n bottom: 10px;\\n font: 12px/1.4 system-ui, sans-serif;\\n color: rgba(255,255,255,0.35);\\n letter-spacing: 0.08em;\\n pointer-events: none;\\n animation: pulse 3s ease-in-out infinite;\\n }\\n @keyframes pulse {\\n 0% { opacity: 0.25; }\\n 50% { opacity: 0.7; }\\n 100% { opacity: 0.25; }\\n }\\n</style>\\n</head>\\n<body>\\n<canvas id=\\\"fireworks\\\"></canvas>\\n<div id=\\\"hud\\\">FIREWORKS</div>\\n<script>\\n(function () {\\n \\\"use strict\\\";\\n\\n var canvas = document.getElementById(\\\"fireworks\\\");\\n var ctx = canvas.getContext(\\\"2d\\\");\\n var W = 0, H = 0, DPR = 1;\\n\\n function resize() {\\n DPR = Math.min(window.devicePixelRatio || 1, 2);\\n W = window.innerWidth;\\n H = window.innerHeight;\\n canvas.width = Math.floor(W * DPR);\\n canvas.height = Math.floor(H * DPR);\\n ctx.setTransform(DPR, 0, 0, DPR, 0, 0);\\n }\\n window.addEventListener(\\\"resize\\\", resize);\\n resize();\\n\\n var TAU = Math.PI * 2;\\n function rand(a, b) { return a + Math.random() * (b - a); }\\n function pick(arr) { return arr[(Math.random() * arr.length) | 0]; }\\n\\n var PALETTES = [\\n [\\\"#ff2d55\\\", \\\"#ff8a3d\\\", \\\"#ffe066\\\", \\\"#fff6d5\\\"],\\n [\\\"#00e5ff\\\", \\\"#4d7cff\\\", \\\"#a06bff\\\", \\\"#e6f7ff\\\"],\\n [\\\"#39ff88\\\", \\\"#c6ff4d\\\", \\\"#ffe066\\\", \\\"#ffffff\\\"],\\n [\\\"#ff4dd2\\\", \\\"#ff2d55\\\", \\\"#ffb3e6\\\", \\\"#fff0fb\\\"],\\n [\\\"#ffd166\\\", \\\"#ff9f1c\\\", \\\"#ff5d5d\\\", \\\"#fff3c4\\\"],\\n [\\\"#7cf9ff\\\", \\\"#b388ff\\\", \\\"#ff8ae2\\\", \\\"#ffffff\\\"]\\n ];\\n\\n var rockets = [];\\n var sparks = [];\\n var trails = [];\\n var flashes = [];\\n var t = 0;\\n var nextLaunch = 0;\\n var finaleTimer = rand(9, 14);\\n\\n function Rocket(x, y, tx, ty, palette, power) {\\n this.x = x;\\n this.y = y;\\n this.px = x;\\n this.py = y;\\n this.vx = (tx - x) / power;\\n this.vy = (ty - y) / power;\\n this.life = power;\\n this.maxLife = power;\\n this.palette = palette;\\n this.hue = pick(palette);\\n this.size = rand(1.6, 2.6);\\n this.dead = false;\\n }\\n\\n Rocket.prototype.update = function (dt) {\\n this.px = this.x;\\n this.py = this.y;\\n this.x += this.vx * dt;\\n this.y += this.vy * dt;\\n this.vy += 0.012 * dt;\\n this.life -= dt;\\n if (this.life <= 0 || this.y < 0) {\\n this.dead = true;\\n explode(this.x, this.y, this.palette);\\n }\\n };\\n\\n Rocket.prototype.draw = function () {\\n ctx.strokeStyle = this.hue;\\n ctx.globalAlpha = 0.85;\\n ctx.lineWidth = this.size;\\n ctx.beginPath();\\n ctx.moveTo(this.px, this.py);\\n ctx.lineTo(this.x, this.y);\\n ctx.stroke();\\n ctx.globalAlpha = 1;\\n ctx.fillStyle = \\\"#fff8e0\\\";\\n ctx.beginPath();\\n ctx.arc(this.x, this.y, this.size * 0.9, 0, TAU);\\n ctx.fill();\\n };\\n\\n function explode(x, y, palette) {\\n var kind = Math.random();\\n var count = 60 + ((Math.random() * 70) | 0);\\n var baseSpeed = rand(1.6, 3.4);\\n var ring = kind < 0.28;\\n var double = kind > 0.78;\\n\\n for (var i = 0; i < count; i++) {\\n var a = (i / count) * TAU + rand(-0.05, 0.05);\\n var sp = ring ? baseSpeed * rand(0.92, 1.08) : baseSpeed * Math.pow(Math.random(), 0.55);\\n sparks.push(makeSpark(x, y, a, sp, pick(palette), rand(0.9, 1.9)));\\n }\\n if (double) {\\n var c2 = pick(palette);\\n for (var j = 0; j < count * 0.5; j++) {\\n var a2 = rand(0, TAU);\\n sparks.push(makeSpark(x, y, a2, baseSpeed * rand(0.3, 0.7), c2, rand(0.7, 1.4)));\\n }\\n }\\n flashes.push({ x: x, y: y, r: 6, max: rand(70, 130), life: 1 });\\n }\\n\\n function makeSpark(x, y, angle, speed, color, life) {\\n return {\\n x: x,\\n y: y,\\n px: x,\\n py: y,\\n vx: Math.cos(angle) * speed,\\n vy: Math.sin(angle) * speed,\\n color: color,\\n life: life,\\n maxLife: life,\\n size: rand(1.1, 2.4),\\n twinkle: rand(0, TAU),\\n drag: rand(0.965, 0.985),\\n gravity: rand(0.02, 0.045)\\n };\\n }\\n\\n function launch(forceFinale) {\\n var palette = pick(PALETTES);\\n var x = rand(W * 0.12, W * 0.88);\\n var y = H + 8;\\n var tx = x + rand(-W * 0.12, W * 0.12);\\n var ty = rand(H * 0.08, H * 0.45);\\n var power = rand(48, 78);\\n rockets.push(new Rocket(x, y, tx, ty, palette, power));\\n if (forceFinale) {\\n for (var i = 0; i < 5; i++) {\\n (function (k) {\\n setTimeout(function () {\\n var px = rand(W * 0.1, W * 0.9);\\n var py = rand(H * 0.06, H * 0.5);\\n rockets.push(new Rocket(px, H + 8, px + rand(-40, 40), py, pick(PALETTES), rand(40, 66)));\\n }, k * 130);\\n })(i);\\n }\\n }\\n }\\n\\n function step(dt) {\\n t += dt;\\n\\n if (t >= nextLaunch) {\\n launch(false);\\n nextLaunch = t + rand(14, 34);\\n }\\n\\n finaleTimer -= dt;\\n if (finaleTimer <= 0) {\\n launch(true);\\n finaleTimer = rand(240, 420);\\n }\\n\\n var i, s;\\n\\n for (i = rockets.length - 1; i >= 0; i--) {\\n rockets[i].update(dt);\\n if (rockets[i].dead) rockets.splice(i, 1);\\n }\\n\\n for (i = sparks.length - 1; i >= 0; i--) {\\n s = sparks[i];\\n s.px = s.x;\\n s.py = s.y;\\n s.vx *= Math.pow(s.drag, dt);\\n s.vy *= Math.pow(s.drag, dt);\\n s.vy += s.gravity * dt;\\n s.x += s.vx * dt;\\n s.y += s.vy * dt;\\n s.life -= dt * 0.016;\\n if (s.life <= 0 || s.y > H + 40) sparks.splice(i, 1);\\n }\\n\\n for (i = flashes.length - 1; i >= 0; i--) {\\n flashes[i].life -= dt * 0.05;\\n if (flashes[i].life <= 0) flashes.splice(i, 1);\\n }\\n }\\n\\n function draw() {\\n ctx.globalCompositeOperation = \\\"source-over\\\";\\n ctx.fillStyle = \\\"rgba(5, 6, 15, 0.22)\\\";\\n ctx.fillRect(0, 0, W, H);\\n\\n ctx.globalCompositeOperation = \\\"lighter\\\";\\n\\n var i, s, f;\\n\\n for (i = 0; i < flashes.length; i++) {\\n f = flashes[i];\\n var g = ctx.createRadialGradient(f.x, f.y, 0, f.x, f.y, f.max * (1.2 - f.life * 0.4));\\n g.addColorStop(0, \\\"rgba(255,255,255,\\\" + (0.5 * f.life).toFixed(3) + \\\")\\\");\\n g.addColorStop(0.4, \\\"rgba(255,220,150,\\\" + (0.18 * f.life).toFixed(3) + \\\")\\\");\\n g.addColorStop(1, \\\"rgba(255,180,80,0)\\\");\\n ctx.fillStyle = g;\\n ctx.beginPath();\\n ctx.arc(f.x, f.y, f.max * (1.2 - f.life * 0.4), 0, TAU);\\n ctx.fill();\\n }\\n\\n for (i = 0; i < sparks.length; i++) {\\n s = sparks[i];\\n var a = Math.max(0, Math.min(1, s.life / s.maxLife));\\n var tw = 0.65 + 0.35 * Math.sin(t * 0.35 + s.twinkle);\\n ctx.globalAlpha = a * tw;\\n ctx.strokeStyle = s.color;\\n ctx.lineWidth = s.size * a + 0.4;\\n ctx.beginPath();\\n ctx.moveTo(s.px, s.py);\\n ctx.lineTo(s.x, s.y);\\n ctx.stroke();\\n }\\n ctx.globalAlpha = 1;\\n\\n for (i = 0; i < rockets.length; i++) rockets[i].draw();\\n\\n ctx.globalCompositeOperation = \\\"source-over\\\";\\n }\\n\\n var last = 0;\\n function frame(now) {\\n if (!last) last = now;\\n var dt = Math.min((now - last) / 16.6667, 3);\\n last = now;\\n step(dt);\\n draw();\\n requestAnimationFrame(frame);\\n }\\n\\n launch(false);\\n launch(false);\\n requestAnimationFrame(frame);\\n})();\\n</script>\\n</body>\\n</html>\\n\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Headless Chrome is available. Let me write the fireworks HTML file.\n\nKey requirements:\n- id=\"fireworks\" element\n- title containing \"Fireworks\"\n- self-contained, no external requests\n- animation present (rAF)\n- loops forever (rAF with no cancelAnimationFrame)\n- page animates between 1.5s and 2.5s\n- must still change between ~6s and ~7s after load\n\nLet me write a canvas-based fireworks show. I'll make sure there's continuous animation so screenshots differ at 6-7s too.\n\nLet me be careful about the \"no external requests\" check \u2014 avoid `//` anywhere in URLs. Note that `//` in JS comments could be flagged? The check says no `//` URLs in src/href/etc. and no asset URLs anywhere. To be safe, I'll avoid `//` comments in JS and avoid `http://` etc. Actually the check likely scans for patterns. Let me avoid `//` entirely to be safe \u2014 use `/* */` comments. Also avoid `url(` in CSS. Avoid `@import`, `fetch(`, etc.\n\nCareful: `//` might appear in things like `https://`. I'll just not use any.\n\nLet me write the file.\n\nDesign: canvas full screen, rockets launch, explode into particles, sparkles, occasional finale. Continuous loop.\n\nLet me write it.\n\nI need to make sure the animation keeps changing at 6-7s. With continuous rockets launching, yes.\n\nLet me write clean code.\n\nAlso avoid the string \"//\" \u2014 in JS I'll use /* */ comments. Also avoid `data:` maybe fine.\n\nLet me write.\n\nOne concern: the check for `//` URLs \u2014 a regex might look for `//` in attributes. I'll just avoid.\n\nAlso avoid `import` keyword. Fine.\n\nLet me write the HTML.\n\nI'll use requestAnimationFrame loop with no cancelAnimationFrame.\n\nLet me create the file."
},
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},
{
"turn": 2,
"tool": "write_file",
"args": {
"path": "fireworks.html",
"content": "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"utf-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title>Fireworks Show</title>\n<style>\n html, body {\n margin: 0;\n padding: 0;\n width: 100%;\n height: 100%;\n overflow: hidden;\n background: #05060f;\n }\n #fireworks {\n display: block;\n width: 100vw;\n height: 100vh;\n background: radial-gradient(circle at 50% 120%, #101a33 0%, #05060f 60%, #01010a 100%);\n }\n #hud {\n position: fixed;\n left: 12px;\n bottom: 10px;\n font: 12px/1.4 system-ui, sans-serif;\n color: rgba(255,255,255,0.35);\n letter-spacing: 0.08em;\n pointer-events: none;\n animation: pulse 3s ease-in-out infinite;\n }\n @keyframes pulse {\n 0% { opacity: 0.25; }\n 50% { opacity: 0.7; }\n 100% { opacity: 0.25; }\n }\n</style>\n</head>\n<body>\n<canvas id=\"fireworks\"></canvas>\n<div id=\"hud\">FIREWORKS</div>\n<script>\n(function () {\n \"use strict\";\n\n var canvas = document.getElementById(\"fireworks\");\n var ctx = canvas.getContext(\"2d\");\n var W = 0, H = 0, DPR = 1;\n\n function resize() {\n DPR = Math.min(window.devicePixelRatio || 1, 2);\n W = window.innerWidth;\n H = window.innerHeight;\n canvas.width = Math.floor(W * DPR);\n canvas.height = Math.floor(H * DPR);\n ctx.setTransform(DPR, 0, 0, DPR, 0, 0);\n }\n window.addEventListener(\"resize\", resize);\n resize();\n\n var TAU = Math.PI * 2;\n function rand(a, b) { return a + Math.random() * (b - a); }\n function pick(arr) { return arr[(Math.random() * arr.length) | 0]; }\n\n var PALETTES = [\n [\"#ff2d55\", \"#ff8a3d\", \"#ffe066\", \"#fff6d5\"],\n [\"#00e5ff\", \"#4d7cff\", \"#a06bff\", \"#e6f7ff\"],\n [\"#39ff88\", \"#c6ff4d\", \"#ffe066\", \"#ffffff\"],\n [\"#ff4dd2\", \"#ff2d55\", \"#ffb3e6\", \"#fff0fb\"],\n [\"#ffd166\", \"#ff9f1c\", \"#ff5d5d\", \"#fff3c4\"],\n [\"#7cf9ff\", \"#b388ff\", \"#ff8ae2\", \"#ffffff\"]\n ];\n\n var rockets = [];\n var sparks = [];\n var trails = [];\n var flashes = [];\n var t = 0;\n var nextLaunch = 0;\n var finaleTimer = rand(9, 14);\n\n function Rocket(x, y, tx, ty, palette, power) {\n this.x = x;\n this.y = y;\n this.px = x;\n this.py = y;\n this.vx = (tx - x) / power;\n this.vy = (ty - y) / power;\n this.life = power;\n this.maxLife = power;\n this.palette = palette;\n this.hue = pick(palette);\n this.size = rand(1.6, 2.6);\n this.dead = false;\n }\n\n Rocket.prototype.update = function (dt) {\n this.px = this.x;\n this.py = this.y;\n this.x += this.vx * dt;\n this.y += this.vy * dt;\n this.vy += 0.012 * dt;\n this.life -= dt;\n if (this.life <= 0 || this.y < 0) {\n this.dead = true;\n explode(this.x, this.y, this.palette);\n }\n };\n\n Rocket.prototype.draw = function () {\n ctx.strokeStyle = this.hue;\n ctx.globalAlpha = 0.85;\n ctx.lineWidth = this.size;\n ctx.beginPath();\n ctx.moveTo(this.px, this.py);\n ctx.lineTo(this.x, this.y);\n ctx.stroke();\n ctx.globalAlpha = 1;\n ctx.fillStyle = \"#fff8e0\";\n ctx.beginPath();\n ctx.arc(this.x, this.y, this.size * 0.9, 0, TAU);\n ctx.fill();\n };\n\n function explode(x, y, palette) {\n var kind = Math.random();\n var count = 60 + ((Math.random() * 70) | 0);\n var baseSpeed = rand(1.6, 3.4);\n var ring = kind < 0.28;\n var double = kind > 0.78;\n\n for (var i = 0; i < count; i++) {\n var a = (i / count) * TAU + rand(-0.05, 0.05);\n var sp = ring ? baseSpeed * rand(0.92, 1.08) : baseSpeed * Math.pow(Math.random(), 0.55);\n sparks.push(makeSpark(x, y, a, sp, pick(palette), rand(0.9, 1.9)));\n }\n if (double) {\n var c2 = pick(palette);\n for (var j = 0; j < count * 0.5; j++) {\n var a2 = rand(0, TAU);\n sparks.push(makeSpark(x, y, a2, baseSpeed * rand(0.3, 0.7), c2, rand(0.7, 1.4)));\n }\n }\n flashes.push({ x: x, y: y, r: 6, max: rand(70, 130), life: 1 });\n }\n\n function makeSpark(x, y, angle, speed, color, life) {\n return {\n x: x,\n y: y,\n px: x,\n py: y,\n vx: Math.cos(angle) * speed,\n vy: Math.sin(angle) * speed,\n color: color,\n life: life,\n maxLife: life,\n size: rand(1.1, 2.4),\n twinkle: rand(0, TAU),\n drag: rand(0.965, 0.985),\n gravity: rand(0.02, 0.045)\n };\n }\n\n function launch(forceFinale) {\n var palette = pick(PALETTES);\n var x = rand(W * 0.12, W * 0.88);\n var y = H + 8;\n var tx = x + rand(-W * 0.12, W * 0.12);\n var ty = rand(H * 0.08, H * 0.45);\n var power = rand(48, 78);\n rockets.push(new Rocket(x, y, tx, ty, palette, power));\n if (forceFinale) {\n for (var i = 0; i < 5; i++) {\n (function (k) {\n setTimeout(function () {\n var px = rand(W * 0.1, W * 0.9);\n var py = rand(H * 0.06, H * 0.5);\n rockets.push(new Rocket(px, H + 8, px + rand(-40, 40), py, pick(PALETTES), rand(40, 66)));\n }, k * 130);\n })(i);\n }\n }\n }\n\n function step(dt) {\n t += dt;\n\n if (t >= nextLaunch) {\n launch(false);\n nextLaunch = t + rand(14, 34);\n }\n\n finaleTimer -= dt;\n if (finaleTimer <= 0) {\n launch(true);\n finaleTimer = rand(240, 420);\n }\n\n var i, s;\n\n for (i = rockets.length - 1; i >= 0; i--) {\n rockets[i].update(dt);\n if (rockets[i].dead) rockets.splice(i, 1);\n }\n\n for (i = sparks.length - 1; i >= 0; i--) {\n s = sparks[i];\n s.px = s.x;\n s.py = s.y;\n s.vx *= Math.pow(s.drag, dt);\n s.vy *= Math.pow(s.drag, dt);\n s.vy += s.gravity * dt;\n s.x += s.vx * dt;\n s.y += s.vy * dt;\n s.life -= dt * 0.016;\n if (s.life <= 0 || s.y > H + 40) sparks.splice(i, 1);\n }\n\n for (i = flashes.length - 1; i >= 0; i--) {\n flashes[i].life -= dt * 0.05;\n if (flashes[i].life <= 0) flashes.splice(i, 1);\n }\n }\n\n function draw() {\n ctx.globalCompositeOperation = \"source-over\";\n ctx.fillStyle = \"rgba(5, 6, 15, 0.22)\";\n ctx.fillRect(0, 0, W, H);\n\n ctx.globalCompositeOperation = \"lighter\";\n\n var i, s, f;\n\n for (i = 0; i < flashes.length; i++) {\n f = flashes[i];\n var g = ctx.createRadialGradient(f.x, f.y, 0, f.x, f.y, f.max * (1.2 - f.life * 0.4));\n g.addColorStop(0, \"rgba(255,255,255,\" + (0.5 * f.life).toFixed(3) + \")\");\n g.addColorStop(0.4, \"rgba(255,220,150,\" + (0.18 * f.life).toFixed(3) + \")\");\n g.addColorStop(1, \"rgba(255,180,80,0)\");\n ctx.fillStyle = g;\n ctx.beginPath();\n ctx.arc(f.x, f.y, f.max * (1.2 - f.life * 0.4), 0, TAU);\n ctx.fill();\n }\n\n for (i = 0; i < sparks.length; i++) {\n s = sparks[i];\n var a = Math.max(0, Math.min(1, s.life / s.maxLife));\n var tw = 0.65 + 0.35 * Math.sin(t * 0.35 + s.twinkle);\n ctx.globalAlpha = a * tw;\n ctx.strokeStyle = s.color;\n ctx.lineWidth = s.size * a + 0.4;\n ctx.beginPath();\n ctx.moveTo(s.px, s.py);\n ctx.lineTo(s.x, s.y);\n ctx.stroke();\n }\n ctx.globalAlpha = 1;\n\n for (i = 0; i < rockets.length; i++) rockets[i].draw();\n\n ctx.globalCompositeOperation = \"source-over\";\n }\n\n var last = 0;\n function frame(now) {\n if (!last) last = now;\n var dt = Math.min((now - last) / 16.6667, 3);\n last = now;\n step(dt);\n draw();\n requestAnimationFrame(frame);\n }\n\n launch(false);\n launch(false);\n requestAnimationFrame(frame);\n})();\n</script>\n</body>\n</html>\n"
},
"result": "wrote 7331 chars"
},
{
"turn": 3,
"response": {
"id": "chatcmpl-922b309f",
"choices": [
{
"index": 0,
"message": {
"content": null,
"tool_calls": [
{
"index": 0,
"id": "call_2b13f9e2f6914153a55786b2",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd . && ls -la fireworks.html && wc -c fireworks.html && echo \\\"--- forbidden scan ---\\\" && grep -nE \\\"https?://|@import|fetch\\\\(|XMLHttpRequest|WebSocket|EventSource|sendBeacon|<script src|<link href|srcset|poster=|action=\\\" fireworks.html || echo \\\"none found\\\"\"}"
}
},
{
"index": 1,
"id": "call_8eb5e07b2b76432d9bdb6b13",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd . && grep -nE \\\"requestAnimationFrame|setInterval|cancelAnimationFrame|clearInterval|@keyframes|animation\\\" fireworks.html\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Now let me verify the checks. Let me check for forbidden patterns and run headless Chrome to test animation.\n\nNote: the check for `//` URLs in src/href etc. My file has no such. But careful: `//` appears in comments? Let me check. The check says no `//` URLs in src, href, srcset, poster, action, data or url(). My file has no src/href attributes at all. Good.\n\nAlso \"no JS `import`\" \u2014 I don't have import. But careful: the word \"import\" might appear... no.\n\nLet me run the checks."
},
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},
{
"turn": 3,
"tool": "run_shell",
"args": {
"command": "cd . && ls -la fireworks.html && wc -c fireworks.html && echo \"--- forbidden scan ---\" && grep -nE \"https?://|@import|fetch\\(|XMLHttpRequest|WebSocket|EventSource|sendBeacon|<script src|<link href|srcset|poster=|action=\" fireworks.html || echo \"none found\""
},
"result": "exit=0\nstdout:\n-rw-r--r-- 1 box box 7331 Oct 20 20:13 fireworks.html\n7331 fireworks.html\n--- forbidden scan ---\nnone found\n\nstderr:\n"
},
{
"turn": 3,
"tool": "run_shell",
"args": {
"command": "cd . && grep -nE \"requestAnimationFrame|setInterval|cancelAnimationFrame|clearInterval|@keyframes|animation\" fireworks.html"
},
"result": "exit=0\nstdout:\n30: animation: pulse 3s ease-in-out infinite;\n32: @keyframes pulse {\n273: requestAnimationFrame(frame);\n278: requestAnimationFrame(frame);\n\nstderr:\n"
},
{
"turn": 4,
"response": {
"id": "chatcmpl-ef18216b",
"choices": [
{
"index": 0,
"message": {
"content": "Now let me verify with headless Chrome: screenshots at ~1.5s and ~2.5s must differ, and the page must still change between ~6s and ~7s.",
"tool_calls": [
{
"index": 0,
"id": "call_843925dd4c204917b317a519",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd /tmp && rm -rf fwtest && mkdir fwtest && cd fwtest && cp /home/*/fireworks.html . 2>/dev/null || cp \\\"$OLDPWD/fireworks.html\\\" . ; ls -la\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Now let's test with headless Chrome: screenshots at 1.5s and 2.5s, and check change between 6s and 7s. Also verify no network requests.\n\nLet me write a test script."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541612,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 4238,
"completion_tokens": 180,
"total_tokens": 4418,
"prompt_tokens_details": {
"cached_tokens": 3824
},
"cache_read_input_tokens": 3824,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
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"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.00036888000000000003
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 4,
"tool": "run_shell",
"args": {
"command": "cd /tmp && rm -rf fwtest && mkdir fwtest && cd fwtest && cp /home/*/fireworks.html . 2>/dev/null || cp \"$OLDPWD/fireworks.html\" . ; ls -la"
},
"result": "exit=0\nstdout:\ntotal 52\ndrwxr-xr-x 2 box box 4096 Oct 20 20:13 .\ndrwxrwxrwt 1297 root root 45056 Oct 20 20:13 ..\n\nstderr:\ncp: cannot stat '/tmp/fireworks.html': No such file or directory\n"
},
{
"turn": 5,
"response": {
"id": "chatcmpl-8839bf7f",
"choices": [
{
"index": 0,
"message": {
"content": null,
"tool_calls": [
{
"index": 0,
"id": "call_86d8ef406db1479eb8940f80",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"pwd; ls -la; echo \\\"---\\\"; find / -name fireworks.html -not -path '*/proc/*' 2>/dev/null\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Let me find the working directory path."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541617,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 4455,
"completion_tokens": 78,
"total_tokens": 4533,
"prompt_tokens_details": {
"cached_tokens": 4108
},
"cache_read_input_tokens": 4108,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 8,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.00022850999999999997
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 5,
"tool": "run_shell",
"args": {
"command": "pwd; ls -la; echo \"---\"; find / -name fireworks.html -not -path '*/proc/*' 2>/dev/null"
},
"result": "exit=1\nstdout:\n./usecase-runner/runs/l04-deepseek-v4-1-flash/work\ntotal 20\ndrwxr-xr-x 2 box box 4096 Oct 20 20:13 .\ndrwxr-xr-x 5 box box 4096 Oct 20 20:12 ..\n-rw-r--r-- 1 box box 1941 Oct 20 20:12 TASK.md\n-rw-r--r-- 1 box box 7331 Oct 20 20:13 fireworks.html\n---\n./usecase-runner/runs/l04-claude-opus/work/fireworks.html\n./usecase-runner/runs/l04-claude-sonnet/work/fireworks.html\n./usecase-runner/runs/l04-claude-haiku/work/fireworks.html\n./usecase-runner/runs/l04-deepseek-v4-1-flash/work/fireworks.html\n./usecase-runner/codex/runs_l/out/gpt-6.1-sol/l04/work/fireworks.html\n./usecase-scout/batch11/l04-fireworks-show/reference/fireworks.html\n\nstderr:\n"
},
{
"turn": 6,
"response": {
"id": "chatcmpl-3cd21d2e",
"choices": [
{
"index": 0,
"message": {
"content": null,
"tool_calls": [
{
"index": 0,
"id": "call_29937dc380de44efb16fdf15",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd ./usecase-runner/runs/l04-deepseek-v4-1-flash/work && rm -rf /tmp/fwtest && mkdir -p /tmp/fwtest && cp fireworks.html /tmp/fwtest/ && cd /tmp/fwtest && cat > shot.js <<'EOF'\\nconst { execSync } = require('child_process');\\nEOF\\necho ok; ls -la\"}"
}
}
],
"role": "assistant",
"reasoning_content": "The working directory is ./usecase-runner/runs/l04-deepseek-v4-1-flash/work. Let me test with headless chrome there."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541621,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 4812,
"completion_tokens": 162,
"total_tokens": 4974,
"prompt_tokens_details": {
"cached_tokens": 3968
},
"cache_read_input_tokens": 3968,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 36,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.00047735999999999997
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 6,
"tool": "run_shell",
"args": {
"command": "cd ./usecase-runner/runs/l04-deepseek-v4-1-flash/work && rm -rf /tmp/fwtest && mkdir -p /tmp/fwtest && cp fireworks.html /tmp/fwtest/ && cd /tmp/fwtest && cat > shot.js <<'EOF'\nconst { execSync } = require('child_process');\nEOF\necho ok; ls -la"
},
"result": "exit=0\nstdout:\nok\ntotal 64\ndrwxr-xr-x 2 box box 4096 Oct 20 20:13 .\ndrwxrwxrwt 1298 root root 45056 Oct 20 20:13 ..\n-rw-r--r-- 1 box box 7331 Oct 20 20:13 fireworks.html\n-rw-r--r-- 1 box box 47 Oct 20 20:13 shot.js\n\nstderr:\n"
},
{
"turn": 7,
"response": {
"id": "chatcmpl-ae78c3c9",
"choices": [
{
"index": 0,
"message": {
"content": null,
"tool_calls": [
{
"index": 0,
"id": "call_c15cb0d81511401e93e8d3d1",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"which node npm python3; node -e \\\"console.log(process.version)\\\" 2>/dev/null; node -e \\\"require('puppeteer'); console.log('puppeteer ok')\\\" 2>&1 | head -3; ls /usr/lib/node_modules 2>/dev/null; npm ls -g --depth=0 2>/dev/null\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Let me use Chrome headless with a script to take screenshots at various times. I'll use the DevTools protocol via a simple approach: use `--screenshot` with `--virtual-time-budget`. But virtual time budget may not reflect real animation. Better: use puppeteer if available, else use CDP via node.\n\nLet me check for node and puppeteer."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541623,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 5056,
"completion_tokens": 195,
"total_tokens": 5251,
"prompt_tokens_details": {
"cached_tokens": 4682
},
"cache_read_input_tokens": 4682,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 79,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.000381315
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 7,
"tool": "run_shell",
"args": {
"command": "which node npm python3; node -e \"console.log(process.version)\" 2>/dev/null; node -e \"require('puppeteer'); console.log('puppeteer ok')\" 2>&1 | head -3; ls /usr/lib/node_modules 2>/dev/null; npm ls -g --depth=0 2>/dev/null"
},
"result": "exit=0\nstdout:\n/usr/bin/node\n/usr/local/bin/npm\n/usr/bin/python3\nv20.19.2\nnode:internal/modules/cjs/loader:1215\n throw err;\n ^\n~/.local/lib\n\u251c\u2500\u2500 @anthropic-ai/claude-code@2.1.299\n\u251c\u2500\u2500 @google/gemini-cli@0.64.0\n\u2514\u2500\u2500 rea-agents@6.4.0\n\n\nstderr:\n"
},
{
"turn": 8,
"response": {
"id": "chatcmpl-fd3fbb1b",
"choices": [
{
"index": 0,
"message": {
"content": "No puppeteer. I'll use Chrome's headless screenshot with virtual time budgets to simulate the timing checks.",
"tool_calls": [
{
"index": 0,
"id": "call_9ea5db782cf6430b906112e5",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd /tmp/fwtest && for ms in 1500 2500 6000 7000; do google-chrome --headless=new --disable-gpu --no-sandbox --hide-scrollbars --window-size=800,600 --virtual-time-budget=$ms --screenshot=/tmp/fwtest/shot_$ms.png \\\"file:///tmp/fwtest/fireworks.html\\\" >/dev/null 2>&1; done; ls -la /tmp/fwtest/*.png; md5sum /tmp/fwtest/*.png\"}"
}
}
],
"role": "assistant",
"reasoning_content": "No puppeteer. I'll use Chrome's headless screenshot with a delay. Chrome headless supports `--screenshot` with `--virtual-time-budget`. But virtual time budget may not reflect real time. Better: use Chrome DevTools Protocol via a small node script using raw WebSocket... but no ws module. I can use python3 with websocket? Let me check python modules.\n\nAlternative: use `--virtual-time-budget` which advances virtual time. With rAF, virtual time budget works well. Let's try screenshots with different virtual time budgets.\n\nActually simpler: use chrome headless with `--screenshot` and `--virtual-time-budget=1500` vs 2500. Virtual time makes rAF run fast. Let's test.\n\nBut note: the check requires the page to still change between 6s and 7s. With virtual time budget, that's fine.\n\nLet me also verify no network requests. Use `--disable-features` etc. Let's just do screenshots.\n\nAlso need to block network. Chrome headless with no network access anyway (no internet). Let's run."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541625,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 5292,
"completion_tokens": 414,
"total_tokens": 5706,
"prompt_tokens_details": {
"cached_tokens": 3968
},
"cache_read_input_tokens": 3968,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 233,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.00092376
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 8,
"tool": "run_shell",
"args": {
"command": "cd /tmp/fwtest && for ms in 1500 2500 6000 7000; do google-chrome --headless=new --disable-gpu --no-sandbox --hide-scrollbars --window-size=800,600 --virtual-time-budget=$ms --screenshot=/tmp/fwtest/shot_$ms.png \"file:///tmp/fwtest/fireworks.html\" >/dev/null 2>&1; done; ls -la /tmp/fwtest/*.png; md5sum /tmp/fwtest/*.png"
},
"result": "exit=0\nstdout:\n-rw-r--r-- 1 box box 60664 Oct 20 20:13 /tmp/fwtest/shot_1500.png\n-rw-r--r-- 1 box box 89509 Oct 20 20:13 /tmp/fwtest/shot_2500.png\n-rw-r--r-- 1 box box 78758 Oct 20 20:13 /tmp/fwtest/shot_6000.png\n-rw-r--r-- 1 box box 60570 Oct 20 20:13 /tmp/fwtest/shot_7000.png\nc8c496e7003da075f0753a1bf32ceef0 /tmp/fwtest/shot_1500.png\n6dae70d79ba1b4a55e0b3f23d4f2f5e2 /tmp/fwtest/shot_2500.png\n1961c1fe6e7f3737ebbb3f2dbc8d6fae /tmp/fwtest/shot_6000.png\nf0ec4b68666d7751d8832d36b63e767e /tmp/fwtest/shot_7000.png\n\nstderr:\n"
},
{
"turn": 9,
"response": {
"id": "chatcmpl-03210c9d",
"choices": [
{
"index": 0,
"message": {
"content": "All four screenshots differ. Let me also verify with real (non-virtual) timing via the Chrome DevTools Protocol, since the scorer uses real time.",
"tool_calls": [
{
"index": 0,
"id": "call_d466eeed21f54155a4419ad0",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"python3 -c \\\"import websocket; print('ws-client ok')\\\" 2>&1 | head -2; python3 -c \\\"import websockets; print('websockets ok')\\\" 2>&1 | head -2; python3 -c \\\"import PIL; print('PIL ok')\\\" 2>&1 | head -2\"}"
}
}
],
"role": "assistant",
"reasoning_content": "All four screenshots differ. But virtual-time-budget with rAF: does virtual time advance rAF? Yes, headless virtual time drives rAF. Good.\n\nHowever, the scorer likely uses a real browser with real timing (screenshots at ~1.5s and ~2.5s after load). Let me verify with real timing too, using a small script that opens the page and waits. Without puppeteer, I can use Chrome's remote debugging protocol via a simple websocket... but no ws library. Alternatively use `--screenshot` with a delay? Chrome headless doesn't have a delay flag other than virtual-time-budget.\n\nLet me check if python has websocket-client or if there's a CDP approach. Actually I can implement a minimal WebSocket client in Python using sockets (no external libs). Let me check python modules.\n\nActually, virtual time budget is a reasonable proxy. But let me do a real-time test to be safe, since the scorer uses real timing. Let me write a minimal CDP client in Python.\n\nLet me check available python packages first."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541631,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 5761,
"completion_tokens": 368,
"total_tokens": 6129,
"prompt_tokens_details": {
"cached_tokens": 5162
},
"cache_read_input_tokens": 5162,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 226,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.000660015
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 9,
"tool": "run_shell",
"args": {
"command": "python3 -c \"import websocket; print('ws-client ok')\" 2>&1 | head -2; python3 -c \"import websockets; print('websockets ok')\" 2>&1 | head -2; python3 -c \"import PIL; print('PIL ok')\" 2>&1 | head -2"
},
"result": "exit=0\nstdout:\nTraceback (most recent call last):\n File \"<string>\", line 1, in <module>\nTraceback (most recent call last):\n File \"<string>\", line 1, in <module>\nPIL ok\n\nstderr:\n"
},
{
"turn": 10,
"response": {
"id": "chatcmpl-fa3bc5e3",
"choices": [
{
"index": 0,
"message": {
"content": "Let me do a real-time verification using the Chrome DevTools Protocol with a minimal raw WebSocket client.",
"tool_calls": [
{
"index": 0,
"id": "call_512703df25bd4863af701a33",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cat > /tmp/fwtest/cdp.py <<'PYEOF'\\nimport base64, hashlib, json, os, socket, struct, subprocess, sys, time, urllib.request\\n\\nPORT = 9333\\nproc = subprocess.Popen([\\n \\\"google-chrome\\\", \\\"--headless=new\\\", \\\"--disable-gpu\\\", \\\"--no-sandbox\\\",\\n \\\"--hide-scrollbars\\\", \\\"--window-size=800,600\\\",\\n \\\"--remote-debugging-port=%d\\\" % PORT,\\n \\\"--user-data-dir=/tmp/fwtest/profile\\\",\\n \\\"about:blank\\\",\\n], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)\\n\\ndef wait_http():\\n for _ in range(100):\\n try:\\n with urllib.request.urlopen(\\\"http://127.0.0.1:%d/json/version\\\" % PORT, timeout=1) as r:\\n return json.load(r)\\n except Exception:\\n time.sleep(0.2)\\n raise SystemExit(\\\"chrome did not start\\\")\\n\\nwait_http()\\n\\nclass WS:\\n def __init__(self, url):\\n # ws://host:port/path\\n rest = url[5:]\\n hostport, _, path = rest.partition(\\\"/\\\")\\n host, _, port = hostport.partition(\\\":\\\")\\n self.sock = socket.create_connection((host, int(port)))\\n key = base64.b64encode(os.urandom(16)).decode()\\n req = (\\\"GET /%s HTTP/1.1\\\\r\\\\nHost: %s\\\\r\\\\nUpgrade: websocket\\\\r\\\\n\\\"\\n \\\"Connection: Upgrade\\\\r\\\\nSec-WebSocket-Key: %s\\\\r\\\\n\\\"\\n \\\"Sec-WebSocket-Version: 13\\\\r\\\\n\\\\r\\\\n\\\") % (path, hostport, key)\\n self.sock.sendall(req.encode())\\n buf = b\\\"\\\"\\n while b\\\"\\\\r\\\\n\\\\r\\\\n\\\" not in buf:\\n buf += self.sock.recv(4096)\\n self.buf = buf.split(b\\\"\\\\r\\\\n\\\\r\\\\n\\\", 1)[1]\\n self.msgid = 0\\n\\n def _recv(self, n):\\n while len(self.buf) < n:\\n d = self.sock.recv(65536)\\n if not d:\\n raise EOFError\\n self.buf += d\\n out, self.buf = self.buf[:n], self.buf[n:]\\n return out\\n\\n def send(self, obj):\\n data = json.dumps(obj).encode()\\n header = bytearray([0x81])\\n mask = os.urandom(4)\\n ln = len(data)\\n if ln < 126:\\n header.append(0x80 | ln)\\n elif ln < 65536:\\n header.append(0x80 | 126); header += struct.pack(\\\">H\\\", ln)\\n else:\\n header.append(0x80 | 127); header += struct.pack(\\\">Q\\\", ln)\\n header += mask\\n masked = bytes(b ^ mask[i % 4] for i, b in enumerate(data))\\n self.sock.sendall(bytes(header) + masked)\\n\\n def recv(self):\\n while True:\\n b0, b1 = self._recv(2)\\n opcode = b0 & 0x0F\\n ln = b1 & 0x7F\\n if ln == 126:\\n ln = struct.unpack(\\\">H\\\", self._recv(2))[0]\\n elif ln == 127:\\n ln = struct.unpack(\\\">Q\\\", self._recv(8))[0]\\n payload = self._recv(ln)\\n if opcode == 0x1:\\n return json.loads(payload.decode())\\n if opcode == 0x8:\\n raise EOFError\\n\\n def call(self, method, params=None):\\n self.msgid += 1\\n mid = self.msgid\\n self.send({\\\"id\\\": mid, \\\"method\\\": method, \\\"params\\\": params or {}})\\n while True:\\n m = self.recv()\\n if m.get(\\\"id\\\") == mid:\\n return m\\n\\n# create a new target\\nwith urllib.request.urlopen(\\\"http://127.0.0.1:%d/json/new?about:blank\\\" % PORT, data=b\\\"\\\") as r:\\n target = json.load(r)\\nws = WS(target[\\\"webSocketDebuggerUrl\\\"])\\nws.call(\\\"Page.enable\\\")\\nws.call(\\\"Network.enable\\\")\\nws.call(\\\"Network.setBlockedURLs\\\", {\\\"urls\\\": [\\\"*\\\"]})\\nws.call(\\\"Emulation.setDeviceMetricsOverride\\\",\\n {\\\"width\\\": 800, \\\"height\\\": 600, \\\"deviceScaleFactor\\\": 1, \\\"mobile\\\": False})\\n\\nt0 = time.time()\\nws.call(\\\"Page.navigate\\\", {\\\"url\\\": \\\"file:///tmp/fwtest/fireworks.html\\\"})\\n\\ndef shot_at(target_t, name):\\n while time.time() - t0 < target_t:\\n time.sleep(0.01)\\n r = ws.call(\\\"Page.captureScreenshot\\\", {\\\"format\\\": \\\"png\\\"})\\n with open(\\\"/tmp/fwtest/%s.png\\\" % name, \\\"wb\\\") as f:\\n f.write(base64.b64decode(r[\\\"result\\\"][\\\"data\\\"]))\\n print(name, \\\"captured at %.3fs\\\" % (time.time() - t0))\\n\\nshot_at(1.5, \\\"rt_1500\\\")\\nshot_at(2.5, \\\"rt_2500\\\")\\nshot_at(6.0, \\\"rt_6000\\\")\\nshot_at(7.0, \\\"rt_7000\\\")\\n\\nproc.terminate()\\nPYEOF\\ncd /tmp/fwtest && python3 cdp.py\"}"
}
}
],
"role": "assistant",
"reasoning_content": "No websocket libs. Let me write a minimal raw websocket client in Python to drive CDP, or just use Chrome's remote debugging with a simple HTTP + raw socket WS handshake. Alternatively, I can use `--virtual-time-budget` which is a good proxy. But real-time check matters: the scorer takes screenshots at ~1.5s and ~2.5s after load in real time. My animation runs continuously via rAF, so it will differ.\n\nLet me do a real-time test using CDP with a minimal raw websocket implementation in Python. Actually simpler: use Chrome headless with `--remote-debugging-port` and drive via a small raw WS client. Let me write it.\n\nActually, an even simpler real-time approach: use `--screenshot` without virtual time budget but with a delay. Chrome's `--screenshot` captures immediately after load though. There's `--timeout` flag? Not reliable.\n\nLet me just write a minimal CDP client with raw sockets. It's a bit of work but doable. Let me try.\n\nActually, let me check if there's a simpler tool: `chrome --headless --dump-dom`? No.\n\nLet me write the raw websocket CDP client."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541635,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 5972,
"completion_tokens": 1551,
"total_tokens": 7523,
"prompt_tokens_details": {
"cached_tokens": 5632
},
"cache_read_input_tokens": 5632,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 261,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.00200544
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 10,
"tool": "run_shell",
"args": {
"command": "cat > /tmp/fwtest/cdp.py <<'PYEOF'\nimport base64, hashlib, json, os, socket, struct, subprocess, sys, time, urllib.request\n\nPORT = 9333\nproc = subprocess.Popen([\n \"google-chrome\", \"--headless=new\", \"--disable-gpu\", \"--no-sandbox\",\n \"--hide-scrollbars\", \"--window-size=800,600\",\n \"--remote-debugging-port=%d\" % PORT,\n \"--user-data-dir=/tmp/fwtest/profile\",\n \"about:blank\",\n], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)\n\ndef wait_http():\n for _ in range(100):\n try:\n with urllib.request.urlopen(\"http://127.0.0.1:%d/json/version\" % PORT, timeout=1) as r:\n return json.load(r)\n except Exception:\n time.sleep(0.2)\n raise SystemExit(\"chrome did not start\")\n\nwait_http()\n\nclass WS:\n def __init__(self, url):\n # ws://host:port/path\n rest = url[5:]\n hostport, _, path = rest.partition(\"/\")\n host, _, port = hostport.partition(\":\")\n self.sock = socket.create_connection((host, int(port)))\n key = base64.b64encode(os.urandom(16)).decode()\n req = (\"GET /%s HTTP/1.1\\r\\nHost: %s\\r\\nUpgrade: websocket\\r\\n\"\n \"Connection: Upgrade\\r\\nSec-WebSocket-Key: %s\\r\\n\"\n \"Sec-WebSocket-Version: 13\\r\\n\\r\\n\") % (path, hostport, key)\n self.sock.sendall(req.encode())\n buf = b\"\"\n while b\"\\r\\n\\r\\n\" not in buf:\n buf += self.sock.recv(4096)\n self.buf = buf.split(b\"\\r\\n\\r\\n\", 1)[1]\n self.msgid = 0\n\n def _recv(self, n):\n while len(self.buf) < n:\n d = self.sock.recv(65536)\n if not d:\n raise EOFError\n self.buf += d\n out, self.buf = self.buf[:n], self.buf[n:]\n return out\n\n def send(self, obj):\n data = json.dumps(obj).encode()\n header = bytearray([0x81])\n mask = os.urandom(4)\n ln = len(data)\n if ln < 126:\n header.append(0x80 | ln)\n elif ln < 65536:\n header.append(0x80 | 126); header += struct.pack(\">H\", ln)\n else:\n header.append(0x80 | 127); header += struct.pack(\">Q\", ln)\n header += mask\n masked = bytes(b ^ mask[i % 4] for i, b in enumerate(data))\n self.sock.sendall(bytes(header) + masked)\n\n def recv(self):\n while True:\n b0, b1 = self._recv(2)\n opcode = b0 & 0x0F\n ln = b1 & 0x7F\n if ln == 126:\n ln = struct.unpack(\">H\", self._recv(2))[0]\n elif ln == 127:\n ln = struct.unpack(\">Q\", self._recv(8))[0]\n payload = self._recv(ln)\n if opcode == 0x1:\n return json.loads(payload.decode())\n if opcode == 0x8:\n raise EOFError\n\n def call(self, method, params=None):\n self.msgid += 1\n mid = self.msgid\n self.send({\"id\": mid, \"method\": method, \"params\": params or {}})\n while True:\n m = self.recv()\n if m.get(\"id\") == mid:\n return m\n\n# create a new target\nwith urllib.request.urlopen(\"http://127.0.0.1:%d/json/new?about:blank\" % PORT, data=b\"\") as r:\n target = json.load(r)\nws = WS(target[\"webSocketDebuggerUrl\"])\nws.call(\"Page.enable\")\nws.call(\"Network.enable\")\nws.call(\"Network.setBlockedURLs\", {\"urls\": [\"*\"]})\nws.call(\"Emulation.setDeviceMetricsOverride\",\n {\"width\": 800, \"height\": 600, \"deviceScaleFactor\": 1, \"mobile\": False})\n\nt0 = time.time()\nws.call(\"Page.navigate\", {\"url\": \"file:///tmp/fwtest/fireworks.html\"})\n\ndef shot_at(target_t, name):\n while time.time() - t0 < target_t:\n time.sleep(0.01)\n r = ws.call(\"Page.captureScreenshot\", {\"format\": \"png\"})\n with open(\"/tmp/fwtest/%s.png\" % name, \"wb\") as f:\n f.write(base64.b64decode(r[\"result\"][\"data\"]))\n print(name, \"captured at %.3fs\" % (time.time() - t0))\n\nshot_at(1.5, \"rt_1500\")\nshot_at(2.5, \"rt_2500\")\nshot_at(6.0, \"rt_6000\")\nshot_at(7.0, \"rt_7000\")\n\nproc.terminate()\nPYEOF\ncd /tmp/fwtest && python3 cdp.py"
},
"result": "exit=1\nstdout:\n\nstderr:\nTraceback (most recent call last):\n File \"/tmp/fwtest/cdp.py\", line 90, in <module>\n with urllib.request.urlopen(\"http://127.0.0.1:%d/json/new?about:blank\" % PORT, data=b\"\") as r:\n ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n File \"/usr/lib/python3.13/urllib/request.py\", line 189, in urlopen\n return opener.open(url, data, timeout)\n ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^\n File \"/usr/lib/python3.13/urllib/request.py\", line 495, in open\n response = meth(req, response)\n File \"/usr/lib/python3.13/urllib/request.py\", line 604, in http_response\n response = self.parent.error(\n 'http', request, response, code, msg, hdrs)\n File \"/usr/lib/python3.13/urllib/request.py\", line 533, in error\n return self._call_chain(*args)\n ~~~~~~~~~~~~~~~~^^^^^^^\n File \"/usr/lib/python3.13/urllib/request.py\", line 466, in _call_chain\n result = func(*args)\n File \"/usr/lib/python3.13/urllib/request.py\", line 613, in http_error_default\n raise HTTPError(req.full_url, code, msg, hdrs, fp)\nurllib.error.HTTPError: HTTP Error 405: Method Not Allowed\n"
},
{
"turn": 11,
"response": {
"id": "chatcmpl-4730b8e3",
"choices": [
{
"index": 0,
"message": {
"content": null,
"tool_calls": [
{
"index": 0,
"id": "call_f877c7614b0c437c8fc6c1ef",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd /tmp/fwtest && python3 - <<'PYEOF'\\nimport re\\ns = open(\\\"cdp.py\\\").read()\\ns = s.replace('''with urllib.request.urlopen(\\\"http://127.0.0.1:%d/json/new?about:blank\\\" % PORT, data=b\\\"\\\") as r:\\n target = json.load(r)''', '''with urllib.request.urlopen(\\\"http://127.0.0.1:%d/json/list\\\" % PORT) as r:\\n targets = json.load(r)\\ntarget = [x for x in targets if x.get(\\\"type\\\") == \\\"page\\\"][0]''')\\nopen(\\\"cdp.py\\\",\\\"w\\\").write(s)\\nprint(\\\"patched\\\")\\nPYEOF\\nrm -rf /tmp/fwtest/profile; python3 cdp.py\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Need PUT for /json/new. Let me use the existing target from /json/list instead."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541643,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 7615,
"completion_tokens": 228,
"total_tokens": 7843,
"prompt_tokens_details": {
"cached_tokens": 5632
},
"cache_read_input_tokens": 5632,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 19,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.0009107399999999999
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 11,
"tool": "run_shell",
"args": {
"command": "cd /tmp/fwtest && python3 - <<'PYEOF'\nimport re\ns = open(\"cdp.py\").read()\ns = s.replace('''with urllib.request.urlopen(\"http://127.0.0.1:%d/json/new?about:blank\" % PORT, data=b\"\") as r:\n target = json.load(r)''', '''with urllib.request.urlopen(\"http://127.0.0.1:%d/json/list\" % PORT) as r:\n targets = json.load(r)\ntarget = [x for x in targets if x.get(\"type\") == \"page\"][0]''')\nopen(\"cdp.py\",\"w\").write(s)\nprint(\"patched\")\nPYEOF\nrm -rf /tmp/fwtest/profile; python3 cdp.py"
},
"result": "exit=0\nstdout:\npatched\nrt_1500 captured at 1.593s\nrt_2500 captured at 2.556s\nrt_6000 captured at 6.077s\nrt_7000 captured at 7.082s\n\nstderr:\n"
},
{
"turn": 12,
"response": {
"id": "chatcmpl-36e3e778",
"choices": [
{
"index": 0,
"message": {
"content": null,
"tool_calls": [
{
"index": 0,
"id": "call_46db50851857412cbb5723f3",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd /tmp/fwtest && python3 - <<'PYEOF'\\nfrom PIL import Image, ImageChops\\nimport itertools\\ndef diff(a,b):\\n ia=Image.open(a).convert(\\\"RGB\\\"); ib=Image.open(b).convert(\\\"RGB\\\")\\n d=ImageChops.difference(ia,ib)\\n bbox=d.getbbox()\\n hist=d.histogram()\\n # count differing pixels\\n px=sum(1 for p in d.getdata() if p!=(0,0,0))\\n return px, bbox\\nfor a,b in [(\\\"rt_1500.png\\\",\\\"rt_2500.png\\\"),(\\\"rt_6000.png\\\",\\\"rt_7000.png\\\")]:\\n px,bbox=diff(a,b)\\n print(a,b,\\\"differing pixels:\\\",px,\\\"bbox:\\\",bbox)\\nPYEOF\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Now compare images. Also check network requests were blocked and no non-file requests. Let me compare pixel differences."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541652,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 7896,
"completion_tokens": 236,
"total_tokens": 8132,
"prompt_tokens_details": {
"cached_tokens": 7486
},
"cache_read_input_tokens": 7486,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 22,
"rejected_prediction_tokens": null
}
},
"cost": {
"usd": 0,
"diem": 0.000462345
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 12,
"tool": "run_shell",
"args": {
"command": "cd /tmp/fwtest && python3 - <<'PYEOF'\nfrom PIL import Image, ImageChops\nimport itertools\ndef diff(a,b):\n ia=Image.open(a).convert(\"RGB\"); ib=Image.open(b).convert(\"RGB\")\n d=ImageChops.difference(ia,ib)\n bbox=d.getbbox()\n hist=d.histogram()\n # count differing pixels\n px=sum(1 for p in d.getdata() if p!=(0,0,0))\n return px, bbox\nfor a,b in [(\"rt_1500.png\",\"rt_2500.png\"),(\"rt_6000.png\",\"rt_7000.png\")]:\n px,bbox=diff(a,b)\n print(a,b,\"differing pixels:\",px,\"bbox:\",bbox)\nPYEOF"
},
"result": "exit=0\nstdout:\nrt_1500.png rt_2500.png differing pixels: 157365 bbox: (13, 0, 780, 600)\nrt_6000.png rt_7000.png differing pixels: 128380 bbox: (0, 33, 695, 600)\n\nstderr:\n<stdin>:9: DeprecationWarning: Image.Image.getdata is deprecated and will be removed in Pillow 14 (2027-10-15). Use get_flattened_data instead.\n"
},
{
"turn": 13,
"response": {
"id": "chatcmpl-a2e6656d",
"choices": [
{
"index": 0,
"message": {
"content": "Real-time verification passes. Let me confirm the required id/title and finalize.",
"tool_calls": [
{
"index": 0,
"id": "call_69a6972320bb4398bec03282",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd ./usecase-runner/runs/l04-deepseek-v4-1-flash/work && grep -nE 'id=\\\"fireworks\\\"|<title>' fireworks.html && echo \\\"--- size ---\\\" && wc -c fireworks.html && echo \\\"--- attrs scan ---\\\" && grep -noE '(src|href|srcset|poster|action|data)\\\\s*=' fireworks.html || echo \\\"no url-bearing attributes\\\"\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Real-time verification passes: 1.5s vs 2.5s differ substantially, and 6s vs 7s differ substantially. Network was blocked and the page still rendered (file:// navigation works with blocked URLs since file scheme isn't a network request... actually setBlockedURLs with \"*\" might block file:// too. But it rendered fine, so it's OK).\n\nLet me also verify no console errors and that the page doesn't attempt network requests. Let me check console messages quickly. Actually the screenshots rendered fine, so it's working.\n\nLet me do a final check on the required id and title, and confirm the file is in the right working directory.\n\nAlso let me double check there's no `//` URL issue \u2014 the check mentions `//` URLs in src/href/etc. My file has no such attributes. But note: `//` appears in comments? Let me check. The check is about URLs in attributes. My file has no src/href attributes at all. Good.\n\nWait \u2014 one concern: the check says \"no `//` URLs in `src`, `href`, ...\". My file has no such attributes. Fine.\n\nLet me verify the title and id."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541654,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
"prompt_tokens": 8234,
"completion_tokens": 399,
"total_tokens": 8633,
"prompt_tokens_details": {
"cached_tokens": 7766
},
"cache_read_input_tokens": 7766,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
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}
},
"cost": {
"usd": 0,
"diem": 0.0006774449999999999
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 13,
"tool": "run_shell",
"args": {
"command": "cd ./usecase-runner/runs/l04-deepseek-v4-1-flash/work && grep -nE 'id=\"fireworks\"|<title>' fireworks.html && echo \"--- size ---\" && wc -c fireworks.html && echo \"--- attrs scan ---\" && grep -noE '(src|href|srcset|poster|action|data)\\s*=' fireworks.html || echo \"no url-bearing attributes\""
},
"result": "exit=0\nstdout:\n6:<title>Fireworks Show</title>\n40:<canvas id=\"fireworks\"></canvas>\n--- size ---\n7331 fireworks.html\n--- attrs scan ---\nno url-bearing attributes\n\nstderr:\n"
},
{
"turn": 14,
"response": {
"id": "chatcmpl-c2cb22a9",
"choices": [
{
"index": 0,
"message": {
"content": null,
"tool_calls": [
{
"index": 0,
"id": "call_bb092e4558a0403cbadd42f3",
"type": "function",
"function": {
"name": "run_shell",
"arguments": "{\"command\":\"cd ./usecase-runner/runs/l04-deepseek-v4-1-flash/work && ls -la && rm -rf /tmp/fwtest\"}"
}
}
],
"role": "assistant",
"reasoning_content": "Everything passes. Let me clean up temp files (not required, they're in /tmp). The working directory only has TASK.md and fireworks.html. Good.\n\nLet me do a final check that there are no other files created in the working dir."
},
"finish_reason": "tool_calls",
"logprobs": null,
"raw_output": null
}
],
"created": 1792541658,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
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"total_tokens": 8571,
"prompt_tokens_details": {
"cached_tokens": 8104
},
"cache_read_input_tokens": 8104,
"completion_tokens_details": {
"accepted_prediction_tokens": null,
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}
},
"cost": {
"usd": 0,
"diem": 0.00031428
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
},
{
"turn": 14,
"tool": "run_shell",
"args": {
"command": "cd ./usecase-runner/runs/l04-deepseek-v4-1-flash/work && ls -la && rm -rf /tmp/fwtest"
},
"result": "exit=0\nstdout:\ntotal 20\ndrwxr-xr-x 2 box box 4096 Oct 20 20:13 .\ndrwxr-xr-x 5 box box 4096 Oct 20 20:12 ..\n-rw-r--r-- 1 box box 1941 Oct 20 20:12 TASK.md\n-rw-r--r-- 1 box box 7331 Oct 20 20:13 fireworks.html\n\nstderr:\n"
},
{
"turn": 15,
"response": {
"id": "chatcmpl-50014b58",
"choices": [
{
"index": 0,
"message": {
"content": "Done. I created `fireworks.html` in the working directory \u2014 a single self-contained looping fireworks show.\n\n**Implementation:** A full-screen `<canvas id=\"fireworks\">` driven by `requestAnimationFrame` (never cancelled). Rockets launch on a randomized schedule, trail upward, then explode into ring/burst/double-shell sparkle patterns with additive blending, gravity, drag, twinkle and flash glows. A periodic finale fires a rapid multi-rocket volley. A CSS `@keyframes pulse` animation on the HUD adds a second, purely-CSS infinite animation.\n\n**Verification against every check:**\n1. **file_exists_under_size_limit** \u2014 7,331 bytes (well under 100 KB).\n2. **no_external_requests** \u2014 no `http://`/`https://`/`//` URLs, no `@import`, `fetch`, `XMLHttpRequest`, `WebSocket`, `EventSource`, `sendBeacon`, JS `import`, `<script src>` or `<link href>`; no URL-bearing attributes at all. Confirmed by grep.\n3. **animation_present** \u2014 both `@keyframes` + `animation:` and `requestAnimationFrame(`.\n4. **loops_forever** \u2014 `animation: pulse 3s ... infinite` plus rAF with no `cancelAnimationFrame`/`clearInterval` anywhere. Verified in a real browser that the page still changes between 6 s and 7 s (128,380 differing pixels).\n5. **page_animates** \u2014 ran headless Chrome at 800\u00d7600 with network blocked via CDP; screenshots at ~1.5 s vs ~2.5 s differ (157,365 differing pixels), and 6 s vs 7 s also differ.\n6. **required_id_and_title** \u2014 `<canvas id=\"fireworks\">` and `<title>Fireworks Show</title>`.\n\nNo other files were added; the temp test artifacts were cleaned up.",
"role": "assistant"
},
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"logprobs": null,
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}
],
"created": 1792541660,
"model": "deepseek-v4-1-flash",
"service_tier": null,
"object": "chat.completion",
"usage": {
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},
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"completion_tokens_details": {
"accepted_prediction_tokens": null,
"reasoning_tokens": 0,
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}
},
"cost": {
"usd": 0,
"diem": 0.00065937
},
"venice_parameters": {
"strip_thinking_response": false,
"disable_thinking": false,
"enable_e2ee": true,
"enable_web_search": "off",
"enable_web_scraping": false,
"enable_web_citations": false,
"include_search_results_in_stream": false,
"include_venice_system_prompt": false,
"enable_x_search": false,
"web_search_citations": [],
"return_search_results_as_documents": false
}
}
}
]
}
]