Gemini 3.8 Flash (effort medium · thinking on) on Animate a junction where cars obey a traffic light's timed sequence in one self-contained HTML file
GGemini 3.8 Flashmedium · thinking on · Antigravity CLI 1.4.6 (agy -p) · cloud · 2026-10-23 · by @bobsiopener
- Estimated cost
- $0.50
- Wall time
- 4m
- Human step-ins
- 0
- Outcome
- Pass
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Summary
Exact prompt
# Animate a junction where cars obey a traffic light's timed sequence in one self-contained HTML file Make a small animated scene: a road junction with a traffic light. Write one file, `out/scene.html`, that works opened straight from disk with no network access. `spec.json` gives the page title, the stage size and the scene parameters. **Looks are not scored**: the page is opened in a headless browser (800x600 window, UTC time zone, network blocked) and checked by objective tests only. ## Scene contract - Draw the scene on one `<canvas>` or `<svg>` stage of `width` x `height` CSS pixels (spec.json), visible on load, with `<title>` containing spec.json `title`. - Animate continuously from load (`requestAnimationFrame` or timers); no click is needed unless stated below. - Expose `window.sceneState()`, returning the scene's current state in stage pixel coordinates (origin top-left of the stage): `{light: <the light showing now, one of the spec.json phase names>, cars: [{x}, ...]}`. Extra fields are fine. It must describe what is actually drawn. - Cars drive left to right along one lane; `x` is the front of the car in stage pixels and may wrap back to the left edge after a car leaves the stage. The light runs through `phases` in the order given, starting at the first phase on load, each for its `s` seconds, then repeats. Cars may only cross `stop_line_x` on green; on any other phase they stop at the line or queue behind the car ahead. Keep the traffic dense enough that a car is waiting at the line during the non-green phases. - The page must log no errors and throw no exceptions. Keep the file at most 200,000 bytes; no external scripts, fonts, images or URLs (inline everything). ## Checks (partial credit = share passed) 1. `self_contained`: `out/scene.html` exists, is at most 200,000 bytes, references no http(s) or protocol-relative URL, and requests nothing from the network when opened. 2. `has_canvas_or_svg`: a visible `<canvas>` or `<svg>` of at least 300x200 CSS pixels is on the page. 3. `frames_change`: over 3 s, some later screenshot differs from the first in at least 0.1% of pixels, and at least 3 of 30 screenshots differ. 4. `light_sequence`: over 3 s `sceneState().light` only takes spec.json phase names, changes only to the next phase in spec.json order (wrapping round), changes at least 3 times, and every phase seen from its start to its end lasts its `s` seconds within 0.25 s. 5. `cars_obey_lights`: `cars` has exactly spec.json `cars` entries; between two samples a car's x only goes from below `stop_line_x` to at or above it when the light is green in one of the two samples; some car moves while the light stays green, and some car waits (moves under 0.5 px) within 60 px before the stop line while the light stays on a phase other than green. 6. `no_console_errors`: no uncaught exception, `console.error` or browser error is logged during the run. ## How this run works - Work on your own: nobody will answer questions in this task, and writing to `ask/` counts against the run. - Write only under `out/`. Create `out/` if it is missing. Inputs are synthetic; don't fetch anything from the network. - Scoring is partial credit: each listed check is pass/fail, and the score is the share passed. Numbers are compared to within 0.005 unless the task says otherwise.
Original benchmark task written for usecaserank.com. Headless, offline run on a reproducible fixture. Cost shown is a list-price API-equivalent estimate (run on a Google account via Antigravity CLI, not billed per token).
Success criteria: self_contained has_canvas_or_svg frames_change light_sequence cars_obey_lights no_console_errors
Setup notes: batch29 case h08-traffic-light-junction (offline fixture). Prepared with batch29/prepare.sh on the shared box; only TASK.md + starting files went to the agent machine, hidden keys stayed on the box. Prompt = TASK.md verbatim. Flags: -p --model gemini-3.8-flash-medium --sandbox --dangerously-skip-permissions --disable-slash-commands --output-format stream-json, cwd=workdir. Scored on the box with `MEDIA_DIR=<dir> python3 score.py WORKDIR KEYDIR`. Single run, no retries, no human input. Gallery media (3 s headless-Chrome capture: poster.png + clip.mp4, network blocked) written to a fresh MEDIA_DIR by the scorer; SHA-256 in evidence.media. Autonomous case (seed 399810934): no stand-in user; any ask/ file counts as an intervention and blocks a pass. Requested model gemini-3.8-flash-medium (effort medium); priced at the base model row gemini-3.8-flash (pricing.json, https://ai.google.dev/gemini-api/docs/pricing). Score: 6/6. Cost is an ESTIMATE: measured tokens x pricing.json list price (Google account, nothing billed per token); output_tokens include thinking tokens. Tool calls 31 (0 failed). Single run.
Estimated cost List-price estimate; not actually billed.
Output
Metrics
- Estimated cost
- $0.50
- Wall time
- 4m
- Human step-ins
- 0
- Turns
- 32
| Model | Input tok | Output tok | Cost |
|---|---|---|---|
| GGemini 3.8 Flashgoogle/gemini-3.8-flasheffort medium · thinking on | 1,449,126 | 67,491 | $0.50 |
Reproduce this run
- Use the use case prompt on the use case page.
- Same setup: Gemini 3.8 Flash (google/gemini-3.8-flash, effort medium · thinking on) via
Antigravity CLI 1.4.6 (agy -p), cloud. - It counts as a success only if it meets every success criterion: self_contained has_canvas_or_svg frames_change light_sequence cars_obey_lights no_console_errors
- 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.
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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
{"event": "init", "conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "init": {"model": "gemini-3.8-flash-medium", "cwd": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work", "tools": ["ask_custom_permission", "ask_permission", "ask_question", "browser_click_element", "browser_drag_pixel_to_pixel", "browser_get_dom", "browser_get_network_request", "browser_input", "browser_list_network_requests", "browser_mouse_down", "browser_mouse_up", "browser_move_mouse", "browser_press_key", "browser_refresh_page", "browser_resize_window", "browser_scroll", "browser_scroll_dom", "browser_select_option", "browser_subagent", "call_mcp_tool", "capture_browser_console_logs", "capture_browser_screenshot", "click_browser_pixel", "command_status", "define_subagent", "delete_knowledge", "execute_browser_javascript", "find_by_name", "finish", "generate_image", "grep_search", "invoke_subagent", "list_browser_pages", "list_dir", "list_permissions", "list_plugin_accounts", "list_resources", "manage_inbox", "manage_subagents", "manage_task", "multi_replace_file_content", "notebook_edit", "notebook_execution", "open_browser_url", "read_browser_page", "read_resource", "read_url_content", "replace_file_content", "run_command", "run_workflow", "schedule", "search_marketplace", "search_web", "sed_file", "send_command_input", "send_message", "view_file", "wait", "wait_5_seconds", "write_to_file"], "permission_mode": "always-proceed"}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 0, "state": "DONE", "step_type": "user_input"}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 1, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.250831859, "usage": {"input_tokens": 8779, "output_tokens": 109, "thinking_tokens": 72, "cache_read_tokens": 0, "total_tokens": 8888}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 2, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -la"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 2, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.263757709, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -la"}, "output": "Command exited with code 0.\n\nCommand output:\ntotal 24\r\ndrwxr-xr-x 4 bob bob 4096 Oct 23 05:55 .\r\ndrwxrwxr-x 3 bob bob 4096 Oct 23 06:11 ..\r\n-rw-r--r-- 1 bob bob 3325 Oct 23 05:55 TASK.md\r\ndrwxr-xr-x 2 bob bob 4096 Oct 23 05:55 ask\r\ndrwxr-xr-x 2 bob bob 4096 Oct 23 05:55 out\r\n-rw-r--r-- 1 bob bob 305 Oct 23 05:55 spec.json\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 3, "state": "DONE", "step_type": "agent_response", "duration_seconds": 2.345117376, "usage": {"input_tokens": 9144, "output_tokens": 73, "thinking_tokens": 15, "cache_read_tokens": 0, "total_tokens": 9217}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 4, "state": "ACTIVE", "step_type": "tool", "tool_name": "read_file", "tool_info": {"name": "read_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/TASK.md"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 4, "state": "DONE", "step_type": "tool", "tool_name": "read_file", "duration_seconds": 0.02682717, "tool_info": {"name": "read_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/TASK.md"}, "output": "23 lines, 3325 bytes"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 5, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.732123482, "usage": {"input_tokens": 10243, "output_tokens": 68, "thinking_tokens": 10, "cache_read_tokens": 0, "total_tokens": 10311}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 6, "state": "ACTIVE", "step_type": "tool", "tool_name": "read_file", "tool_info": {"name": "read_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/spec.json"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 6, "state": "DONE", "step_type": "tool", "tool_name": "read_file", "duration_seconds": 0.030764744, "tool_info": {"name": "read_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/spec.json"}, "output": "26 lines, 305 bytes"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 7, "state": "DONE", "step_type": "agent_response", "duration_seconds": 20.196896603, "usage": {"input_tokens": 10646, "output_tokens": 7285, "thinking_tokens": 7247, "cache_read_tokens": 0, "total_tokens": 17931}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 8, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -la .."}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 8, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.272994242, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -la .."}, "output": "Command exited with code 0.\n\nCommand output:\ntotal 24\r\ndrwxrwxr-x 3 bob bob 4096 Oct 23 06:11 .\r\ndrwxrwxr-x 10 bob bob 4096 Oct 23 06:11 ..\r\n-rw-rw-r-- 1 bob bob 5237 Oct 23 06:11 events.jsonl\r\n-rw-rw-r-- 1 bob bob 103 Oct 23 06:11 meta.txt\r\n-rw-rw-r-- 1 bob bob 0 Oct 23 06:11 stderr.txt\r\ndrwxr-xr-x 4 bob bob 4096 Oct 23 05:55 work\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 9, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.9452349679999998, "usage": {"input_tokens": 18188, "output_tokens": 76, "thinking_tokens": 31, "cache_read_tokens": 0, "total_tokens": 18264}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 10, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "which node python3 google-chrome chromium-browser chromium"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 10, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.292571072, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "which node python3 google-chrome chromium-browser chromium"}, "output": "Command exited with code 1.\n\nCommand output:\n/home/bob/.nvm/versions/node/v26.8.1/bin/node\r\n/usr/bin/python3\r\n/usr/bin/google-chrome\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 11, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.658432764, "usage": {"input_tokens": 2125, "output_tokens": 169, "thinking_tokens": 63, "cache_read_tokens": 16265, "total_tokens": 2294}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 12, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"import playwright; print('playwright installed')\" 2>/dev/null || python3 -c \"import selenium; print('selenium installed')\" 2>/dev/null || node -e \"require('puppeteer'); console.log('puppeteer installed')\" 2>/dev/null || echo \"None of those\""}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 12, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.512583882, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"import playwright; print('playwright installed')\" 2>/dev/null || python3 -c \"import selenium; print('selenium installed')\" 2>/dev/null || node -e \"require('puppeteer'); console.log('puppeteer installed')\" 2>/dev/null || echo \"None of those\""}, "output": "Command exited with code 0.\n\nCommand output:\nNone of those\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 13, "state": "DONE", "step_type": "agent_response", "duration_seconds": 3.54407349, "usage": {"input_tokens": 2390, "output_tokens": 88, "thinking_tokens": 16, "cache_read_tokens": 16258, "total_tokens": 2478}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 14, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "pip list 2>/dev/null | grep -E \"playwright|selenium|webdriver\" || npm list -g --depth=0 2>/dev/null"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 14, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 1.359108661, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "pip list 2>/dev/null | grep -E \"playwright|selenium|webdriver\" || npm list -g --depth=0 2>/dev/null"}, "output": "Command exited with code 0.\n\nCommand output:\n/home/bob/.local/lib\r\n\u251c\u2500\u2500 @electron/asar@4.2.0\r\n\u251c\u2500\u2500 @expo/ngrok@4.1.3\r\n\u251c\u2500\u2500 @google/gemini-cli@0.65.0\r\n\u251c\u2500\u2500 @lucaperret/tidal-cli@1.1.2\r\n\u251c\u2500\u2500 @openai/codex@0.163.0\r\n\u251c\u2500\u2500 clawhub@0.9.0\r\n\u251c\u2500\u2500 electron@41.1.1\r\n\u251c\u2500\u2500 npm@11.15.0\r\n\u2514\u2500\u2500 openclaw@2026.10.5-beta.2\r\n\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 15, "state": "DONE", "step_type": "agent_response", "duration_seconds": 3.864094042, "usage": {"input_tokens": 2700, "output_tokens": 911, "thinking_tokens": 690, "cache_read_tokens": 16251, "total_tokens": 3611}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 16, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"\nimport subprocess, time\n\nhtml = '''<!DOCTYPE html>\n<html>\n<head><title>Test</title></head>\n<body>\n<script>\nfetch('spec.json').then(r => r.json()).then(d => {\n console.log('SUCCESS', d);\n}).catch(err => {\n console.error('FETCH_ERR', err);\n});\n</script>\n</body>\n</html>'''\n\nwith open('test_fetch.html', 'w') as f:\n f.write(html)\n\"\ngoogle-chrome --headless --disable-gpu --enable-logging=stderr --v=1 file://$PWD/test_fetch.html 2>&1 | grep -iE \"FETCH_ERR|CORS|SUCCESS\" || true\nrm -f test_fetch.ht\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 16, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.569639251, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"\nimport subprocess, time\n\nhtml = '''<!DOCTYPE html>\n<html>\n<head><title>Test</title></head>\n<body>\n<script>\nfetch('spec.json').then(r => r.json()).then(d => {\n console.log('SUCCESS', d);\n}).catch(err => {\n console.error('FETCH_ERR', err);\n});\n</script>\n</body>\n</html>'''\n\nwith open('test_fetch.html', 'w') as f:\n f.write(html)\n\"\ngoogle-chrome --headless --disable-gpu --enable-logging=stderr --v=1 file://$PWD/test_fetch.html 2>&1 | grep -iE \"FETCH_ERR|CORS|SUCCESS\" || true\nrm -f test_fetch.ht\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\nTraceback (most recent call last):\r\n File \"<string>\", line 18, in <module>\r\n with open('test_fetch.html', 'w') as f:\r\n ~~~~^^^^^^^^^^^^^^^^^^^^^^^^\r\nOSError: [Errno 30] Read-only file system: 'test_fetch.html'\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 17, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.9018969860000001, "usage": {"input_tokens": 3771, "output_tokens": 345, "thinking_tokens": 121, "cache_read_tokens": 16250, "total_tokens": 4116}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 18, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"\nimport subprocess\n\nhtml = '''<!DOCTYPE html>\n<html>\n<head><title>Test</title></head>\n<body>\n<script>\nfetch('../spec.json').then(r => r.json()).then(d => {\n console.log('SUCCESS', d);\n}).catch(err => {\n console.error('FETCH_ERR', err);\n});\n</script>\n</body>\n</html>'''\n\nwith open('out/test_fetch.html', 'w') as f:\n f.write(html)\n\"\ngoogle-chrome --headless --disable-gpu --enable-logging=stderr --v=1 file://$PWD/out/test_fetch.html 2>&1 | grep -iE \"FETCH_ERR|CORS|SUCCESS\" || true\nrm -f out/test\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 18, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.534312856, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"\nimport subprocess\n\nhtml = '''<!DOCTYPE html>\n<html>\n<head><title>Test</title></head>\n<body>\n<script>\nfetch('../spec.json').then(r => r.json()).then(d => {\n console.log('SUCCESS', d);\n}).catch(err => {\n console.error('FETCH_ERR', err);\n});\n</script>\n</body>\n</html>'''\n\nwith open('out/test_fetch.html', 'w') as f:\n f.write(html)\n\"\ngoogle-chrome --headless --disable-gpu --enable-logging=stderr --v=1 file://$PWD/out/test_fetch.html 2>&1 | grep -iE \"FETCH_ERR|CORS|SUCCESS\" || true\nrm -f out/test\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\nTraceback (most recent call last):\r\n File \"<string>\", line 18, in <module>\r\n with open('out/test_fetch.html', 'w') as f:\r\n ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^\r\nOSError: [Errno 30] Read-only file system: 'out/test_fetch.html'\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 19, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.777035149, "usage": {"input_tokens": 4284, "output_tokens": 67, "thinking_tokens": 21, "cache_read_tokens": 16246, "total_tokens": 4351}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 20, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -ld . out; mount | grep /home"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 20, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.287442791, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -ld . out; mount | grep /home"}, "output": "Command exited with code 0.\n\nCommand output:\ndrwxr-xr-x 4 bob bob 4096 Oct 23 05:55 .\r\ndrwxr-xr-x 2 bob bob 4096 Oct 23 05:55 out\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home type ext4 (rw,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.bun type ext4 (rw,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.cache type ext4 (rw,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.config/go/telemetry type ext4 (rw,relatime)\r\n on /home/bob/.docker type tmpfs (ro,relatime,uid=1000,gid=1000,inode64)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.dotnet type ext4 (rw,relatime)\r\n on /home/bob/.gemini/antigravity-cli type tmpfs (ro,relatime,uid=1000,gid=1000,inode64)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.gemini/antigravity-cli/bin type ext4 (ro,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.gemini/antigravity-cli/brain/9015d729-95ec-48cf-bca3-0c96cdb1cec5 type ext4 (rw,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.gemini/antigravity-cli/builtin type ext4 (ro,relatime)\r\n on /home/bob/.gemini/config type tmpfs (ro,relatime,uid=1000,gid=1000,inode64)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.gemini/config/projects type ext4 (ro,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.local/bin/agy type ext4 (ro,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.npm type ext4 (rw,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/.nvm type ext4 (rw,relatime)\r\n on /home/bob/.ssh type tmpfs (ro,relatime,uid=1000,gid=1000,inode64)\r\n on /home/bob/Desktop type tmpfs (ro,relatime,uid=1000,gid=1000,inode64)\r\n on /home/bob/Documents type tmpfs (ro,relatime,uid=1000,gid=1000,inode64)\r\n on /home/bob/Downloads type tmpfs (ro,relatime,uid=1000,gid=1000,inode64)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/go/pkg type ext4 (rw,relatime)\r\n/dev/mapper/ubuntu--vg-ubuntu--lv on /home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work type ext4 (ro,relatime)\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 21, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.9271249940000001, "usage": {"input_tokens": 5277, "output_tokens": 186, "thinking_tokens": 116, "cache_read_tokens": 16245, "total_tokens": 5463}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 22, "state": "ACTIVE", "step_type": "tool", "tool_name": "write_file", "tool_info": {"name": "write_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/test.txt"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 22, "state": "DONE", "step_type": "tool", "tool_name": "write_file", "duration_seconds": 0.033491292, "tool_info": {"name": "write_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/test.txt"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 23, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.587764882, "usage": {"input_tokens": 5545, "output_tokens": 91, "thinking_tokens": 31, "cache_read_tokens": 16239, "total_tokens": 5636}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 24, "state": "ACTIVE", "step_type": "tool", "tool_name": "read_file", "tool_info": {"name": "read_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/test.txt"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 24, "state": "DONE", "step_type": "tool", "tool_name": "read_file", "duration_seconds": 0.038870672, "tool_info": {"name": "read_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/test.txt"}, "output": "1 lines, 4 bytes"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 25, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.635666995, "usage": {"input_tokens": 5737, "output_tokens": 125, "thinking_tokens": 62, "cache_read_tokens": 16233, "total_tokens": 5862}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 26, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "echo \"hello\" > /tmp/test.txt && cat /tmp/test.txt && rm /tmp/test.txt"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 26, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.273909692, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "echo \"hello\" > /tmp/test.txt && cat /tmp/test.txt && rm /tmp/test.txt"}, "output": "Command exited with code 0.\n\nCommand output:\nhello\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 27, "state": "DONE", "step_type": "agent_response", "duration_seconds": 1.892209105, "usage": {"input_tokens": 5955, "output_tokens": 208, "thinking_tokens": 152, "cache_read_tokens": 16227, "total_tokens": 6163}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 28, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"import os; os.remove('out/test.txt')\""}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 28, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.360967841, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "python3 -c \"import os; os.remove('out/test.txt')\""}, "output": "Command exited with code 1.\n\nThere were sandbox errors that may or may not be related to the failure. If you think the failure is because of running in the sandbox, you can run the command again with `BypassSandbox` set to true to request explicit user permission.\n\nCommand output:\nTraceback (most recent call last):\r\n File \"<string>\", line 1, in <module>\r\n import os; os.remove('out/test.txt')\r\n ~~~~~~~~~^^^^^^^^^^^^^^^^\r\nOSError: [Errno 30] Read-only file system: 'out/test.txt'\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 29, "state": "DONE", "step_type": "agent_response", "duration_seconds": 59.640715688, "usage": {"input_tokens": 2317, "output_tokens": 21758, "thinking_tokens": 21583, "cache_read_tokens": 20278, "total_tokens": 24075}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 30, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e '\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconsole.log(\"Spec loaded successfully\");\n'"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 30, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.344965521, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e '\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconsole.log(\"Spec loaded successfully\");\n'"}, "output": "Command exited with code 0.\n\nCommand output:\nSpec loaded successfully\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 31, "state": "DONE", "step_type": "agent_response", "duration_seconds": 10.120323775, "usage": {"input_tokens": 24070, "output_tokens": 3781, "thinking_tokens": 2554, "cache_read_tokens": 20372, "total_tokens": 27851}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 32, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/sim_test.js\nconst fs = require('fs');\n\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = spec.phases.reduce((acc, p) => acc + p.s, 0); // 2.4\n\nfunction getPhase(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phas\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 32, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.322058943, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/sim_test.js\nconst fs = require('fs');\n\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = spec.phases.reduce((acc, p) => acc + p.s, 0); // 2.4\n\nfunction getPhase(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phas\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\nCheck basic syntax\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 33, "state": "DONE", "step_type": "agent_response", "duration_seconds": 13.835567913, "usage": {"input_tokens": 7558, "output_tokens": 5465, "thinking_tokens": 5087, "cache_read_tokens": 40754, "total_tokens": 13023}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 34, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/verify_sim.js\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) return \u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 34, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.356940404, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/verify_sim.js\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) return \u2026"}, "output": "Command exited with code 0.\n\nNo output from the command."}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 35, "state": "DONE", "step_type": "agent_response", "duration_seconds": 9.968309595000001, "usage": {"input_tokens": 9019, "output_tokens": 3579, "thinking_tokens": 2125, "cache_read_tokens": 44844, "total_tokens": 12598}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 36, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/test_analytical.js\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) re\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 36, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.361096916, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/test_analytical.js\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) re\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\nTesting Phase D vs Car 2\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 37, "state": "DONE", "step_type": "agent_response", "duration_seconds": 12.835225767, "usage": {"input_tokens": 4531, "output_tokens": 5231, "thinking_tokens": 2326, "cache_read_tokens": 53004, "total_tokens": 9762}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 38, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/test_full_suite.js\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) re\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 38, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.36158627, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/test_full_suite.js\nconst spec = {\n title: \"Junction 511\",\n width: 720,\n height: 480,\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\n\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) re\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\n--- Testing Checks ---\r\nLight changes count: 4 (needs >= 3)\r\nObserved phase durations: [\r\n {\r\n phase: 'red',\r\n start: 0,\r\n end: 0.8000000000000002,\r\n dur: 0.8000000000000002\r\n },\r\n {\r\n phase: 'red_amber',\r\n start: 0.8000000000000002,\r\n end: 1.2000000000000004,\r\n dur: 0.40000000000000024\r\n },\r\n {\r\n phase: 'green',\r\n start: 1.2000000000000004,\r\n end: 2.000000000000001,\r\n dur: 0.8000000000000005\r\n },\r\n {\r\n phase: 'amber',\r\n start: 2.000000000000001,\r\n end: 2.4499999999999993,\r\n dur: 0.4499999999999984\r\n }\r\n]\r\nPhase red: duration 0.80s, spec 0.8s, diff 0.00s <= 0.25s: true\r\nPhase red_amber: duration 0.40s, spec 0.4s, diff 0.00s <= 0.25s: true\r\nPhase green: duration 0.80s, spec 0.8s, diff 0.00s <= 0.25s: true\r\nPhase amber: duration 0.45s, spec 0.4s, diff 0.05s <= 0.25s: true\r\nCar 0 crossed stop line legally on green at t=1.2500000000000004\r\nIllegal crossings: 0\r\ncarMovesWhileGreen: true\r\ncarWaitsNearStopLineNonGreen: true\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 39, "state": "DONE", "step_type": "agent_response", "duration_seconds": 4.628676143, "usage": {"input_tokens": 6298, "output_tokens": 1288, "thinking_tokens": 171, "cache_read_tokens": 57097, "total_tokens": 7586}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 40, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e '\nconst spec = {\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) return spec.phases[i].light;\n }\n return spec.phases[spec.phases.length - 1].light;\n}\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 40, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.326736067, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e '\nconst spec = {\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) return spec.phases[i].light;\n }\n return spec.phases[spec.phases.length - 1].light;\n}\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\n30s test completed. Total illegal crossings: 0\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 41, "state": "DONE", "step_type": "agent_response", "duration_seconds": 3.692927903, "usage": {"input_tokens": 3610, "output_tokens": 1188, "thinking_tokens": 38, "cache_read_tokens": 61171, "total_tokens": 4798}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 42, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e '\nconst spec = {\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) return spec.phases[i].light;\n }\n return spec.phases[spec.phases.length - 1].light;\n}\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 42, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.305890083, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e '\nconst spec = {\n phases: [\n { light: \"red\", s: 0.8 },\n { light: \"red_amber\", s: 0.4 },\n { light: \"green\", s: 0.8 },\n { light: \"amber\", s: 0.4 }\n ],\n cars: 3,\n stop_line_x: 325\n};\nconst totalCycle = 2.4;\n\nfunction getLight(t) {\n let mod = t % totalCycle;\n if (mod < 0) mod += totalCycle;\n let acc = 0;\n for (let i = 0; i < spec.phases.length; i++) {\n acc += spec.phases[i].s;\n if (mod < acc) return spec.phases[i].light;\n }\n return spec.phases[spec.phases.length - 1].light;\n}\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\nWaiting failures during non-green: 0\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 43, "state": "DONE", "step_type": "agent_response", "duration_seconds": 13.82724377, "usage": {"input_tokens": 4897, "output_tokens": 4847, "thinking_tokens": 2095, "cache_read_tokens": 61167, "total_tokens": 9744}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 44, "state": "ACTIVE", "step_type": "tool", "tool_name": "write_file", "tool_info": {"name": "write_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/scene.html"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 44, "state": "DONE", "step_type": "tool", "tool_name": "write_file", "duration_seconds": 0.068238903, "tool_info": {"name": "write_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/scene.html"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 45, "state": "DONE", "step_type": "agent_response", "duration_seconds": 3.038174695, "usage": {"input_tokens": 5731, "output_tokens": 211, "thinking_tokens": 165, "cache_read_tokens": 65256, "total_tokens": 5942}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 46, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e \"console.log(typeof WebSocket)\""}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 46, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.36130296, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e \"console.log(typeof WebSocket)\""}, "output": "Command exited with code 0.\n\nCommand output:\nfunction\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 47, "state": "DONE", "step_type": "agent_response", "duration_seconds": 7.923978981, "usage": {"input_tokens": 6037, "output_tokens": 3080, "thinking_tokens": 440, "cache_read_tokens": 65248, "total_tokens": 9117}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 48, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/runner.js\nconst { spawn } = require('child_process');\nconst http = require('http');\nconst fs = require('fs');\nconst path = require('path');\n\nconst scenePath = path.resolve('out/scene.html');\nconst spec = JSON.parse(fs.readFileSync('spec.json', 'utf8'));\n\n// Check 1: self_contained\nconsole.log('=== Checking Check 1: self_contained ===');\nconst htmlContent = fs.readFileSync(scenePath, 'utf8');\nconst stat = fs.statSync(scenePath);\nconsole.log(`File size: ${stat.size} bytes (must be <= 200,0\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 48, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 1.879587038, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/runner.js\nconst { spawn } = require('child_process');\nconst http = require('http');\nconst fs = require('fs');\nconst path = require('path');\n\nconst scenePath = path.resolve('out/scene.html');\nconst spec = JSON.parse(fs.readFileSync('spec.json', 'utf8'));\n\n// Check 1: self_contained\nconsole.log('=== Checking Check 1: self_contained ===');\nconst htmlContent = fs.readFileSync(scenePath, 'utf8');\nconst stat = fs.statSync(scenePath);\nconsole.log(`File size: ${stat.size} bytes (must be <= 200,0\u2026"}, "output": "Command exited with code 1.\n\nThere were sandbox errors that may or may not be related to the failure. If you think the failure is because of running in the sandbox, you can run the command again with `BypassSandbox` set to true to request explicit user permission.\n\nCommand output:\n=== Checking Check 1: self_contained ===\r\nFile size: 7212 bytes (must be <= 200,000)\r\nFAIL: URL found on line 47: const totalCycle = SPEC.phases.reduce((acc, p) => acc + p.s, 0); // 2.4s\r\nFAIL: URL found on line 122: const stopLineX = SPEC.stop_line_x; // 325\r\nFAIL: URL found on line 129: // Clear background (grass)\r\nFAIL: URL found on line 133: // Road\r\nFAIL: URL found on line 137: // Road borders\r\nFAIL: URL found on line 142: // Lane center dashed line\r\nFAIL: URL found on line 152: // Stop line\r\nFAIL: URL found on line 156: // Traffic Light Post & Housing\r\nFAIL: URL found on line 160: // Post\r\nFAIL: URL found on line 164: // Housing\r\nFAIL: URL found on line 173: // Light bulbs\r\nFAIL: URL found on line 178: // Red bulb (top)\r\nFAIL: URL found on line 190: // Amber bulb (middle)\r\nFAIL: URL found on line 202: // Green bulb (bottom)\r\nFAIL: URL found on line 214: // Cars\r\nFAIL: URL found on line 223: // Only draw if partially visible\r\nFAIL: URL found on line 225: // Shadow\r\nFAIL: URL found on line 229: // Car body\r\nFAIL: URL found on line 235: // Windshield / roof\r\nFAIL: URL found on line 241: // Headlights (front right)\r\nFAIL: URL found on line 246: // Taillights (rear left)\r\nFAIL: URL found on line 259: // Initial draw immediately on load\r\nError running test: Error: connect ECONNREFUSED 127.0.0.1:9222\r\n at TCPConnectWrap.afterConnect [as oncomplete] (node:net:2021:16) {\r\n errno: -111,\r\n code: 'ECONNREFUSED',\r\n syscall: 'connect',\r\n address: '127.0.0.1',\r\n port: 9222\r\n}\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 49, "state": "DONE", "step_type": "agent_response", "duration_seconds": 3.618742213, "usage": {"input_tokens": 5731, "output_tokens": 416, "thinking_tokens": 281, "cache_read_tokens": 69332, "total_tokens": 6147}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 50, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "sed -i \"s/'--disable-gpu',/'--disable-gpu', '--no-sandbox',/\" /tmp/runner.js\nsed -i \"s/const urlRegex = .*/const urlRegex = /https?:\\\\\\\\/\\\\\\\\/|\\\\\\\\/\\\\\\\\/[a-zA-Z0-9.-]+\\\\\\\\.[a-zA-Z]{2,}/i;/\" /tmp/runner.js\nnode /tmp/runner.js\n"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 50, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 6.459179401, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "sed -i \"s/'--disable-gpu',/'--disable-gpu', '--no-sandbox',/\" /tmp/runner.js\nsed -i \"s/const urlRegex = .*/const urlRegex = /https?:\\\\\\\\/\\\\\\\\/|\\\\\\\\/\\\\\\\\/[a-zA-Z0-9.-]+\\\\\\\\.[a-zA-Z]{2,}/i;/\" /tmp/runner.js\nnode /tmp/runner.js\n"}, "output": "Command exited with code 0.\n\nCommand output:\nsed: -e expression #1, char 41: unknown option to `s'\r\n=== Checking Check 1: self_contained ===\r\nFile size: 7212 bytes (must be <= 200,000)\r\nFAIL: URL found on line 47: const totalCycle = SPEC.phases.reduce((acc, p) => acc + p.s, 0); // 2.4s\r\nFAIL: URL found on line 122: const stopLineX = SPEC.stop_line_x; // 325\r\nFAIL: URL found on line 129: // Clear background (grass)\r\nFAIL: URL found on line 133: // Road\r\nFAIL: URL found on line 137: // Road borders\r\nFAIL: URL found on line 142: // Lane center dashed line\r\nFAIL: URL found on line 152: // Stop line\r\nFAIL: URL found on line 156: // Traffic Light Post & Housing\r\nFAIL: URL found on line 160: // Post\r\nFAIL: URL found on line 164: // Housing\r\nFAIL: URL found on line 173: // Light bulbs\r\nFAIL: URL found on line 178: // Red bulb (top)\r\nFAIL: URL found on line 190: // Amber bulb (middle)\r\nFAIL: URL found on line 202: // Green bulb (bottom)\r\nFAIL: URL found on line 214: // Cars\r\nFAIL: URL found on line 223: // Only draw if partially visible\r\nFAIL: URL found on line 225: // Shadow\r\nFAIL: URL found on line 229: // Car body\r\nFAIL: URL found on line 235: // Windshield / roof\r\nFAIL: URL found on line 241: // Headlights (front right)\r\nFAIL: URL found on line 246: // Taillights (rear left)\r\nFAIL: URL found on line 259: // Initial draw immediately on load\r\nFound targets: 6\r\n=== Checking Check 2: has_canvas_or_svg ===\r\nCanvas/SVG check result: {\r\n found: true,\r\n tagName: 'CANVAS',\r\n width: 720,\r\n height: 480,\r\n visible: true,\r\n title: 'Junction 511'\r\n}\r\n=== Sampling over 3 seconds (30 screenshots and sceneState samples) ===\r\n=== Checking Check 3: frames_change ===\r\nDiffering screenshots from first: 29 / 29 (needs at least 3)\r\n=== Checking Check 4: light_sequence ===\r\nLight changes: 7 (needs >= 3)\r\nPhase green: observed 0.75s, spec 0.8s, diff 0.05s (<= 0.25s: true)\r\nPhase amber: observed 0.45s, spec 0.4s, diff 0.05s (<= 0.25s: true)\r\nPhase red: observed 0.73s, spec 0.8s, diff 0.07s (<= 0.25s: true)\r\nPhase red_amber: observed 0.45s, spec 0.4s, diff 0.05s (<= 0.25s: true)\r\nPhase green: observed 0.75s, spec 0.8s, diff 0.05s (<= 0.25s: true)\r\nPhase amber: observed 0.45s, spec 0.4s, diff 0.05s (<= 0.25s: true)\r\nPhase red: observed 0.75s, spec 0.8s, diff 0.05s (<= 0.25s: true)\r\n=== Checking Check 5: cars_obey_lights ===\r\nCar 1 crossed stop line legally on green!\r\nIllegal crossings: 0\r\nCar moves while green: true\r\nCar waits near stop line non-green: true\r\n=== Checking Check 6: no_console_errors ===\r\nConsole messages recorded: []\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 51, "state": "DONE", "step_type": "agent_response", "duration_seconds": 7.414638449, "usage": {"input_tokens": 3115, "output_tokens": 2954, "thinking_tokens": 344, "cache_read_tokens": 73407, "total_tokens": 6069}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 52, "state": "ACTIVE", "step_type": "tool", "tool_name": "write_file", "tool_info": {"name": "write_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/scene.html"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 52, "state": "DONE", "step_type": "tool", "tool_name": "write_file", "duration_seconds": 0.063233793, "tool_info": {"name": "write_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/scene.html"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 53, "state": "DONE", "step_type": "agent_response", "duration_seconds": 2.5868401580000002, "usage": {"input_tokens": 6142, "output_tokens": 173, "thinking_tokens": 55, "cache_read_tokens": 73410, "total_tokens": 6315}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 54, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e \"\nconst fs = require('fs');\nconst content = fs.readFileSync('out/scene.html', 'utf8');\nconsole.log('File size:', content.length, 'bytes');\nconsole.log('Contains http:', /http/i.test(content));\nconsole.log('Contains //:', /\\/\\//.test(content));\n\""}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 54, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.318514179, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "node -e \"\nconst fs = require('fs');\nconst content = fs.readFileSync('out/scene.html', 'utf8');\nconsole.log('File size:', content.length, 'bytes');\nconsole.log('Contains http:', /http/i.test(content));\nconsole.log('Contains //:', /\\/\\//.test(content));\n\""}, "output": "Command exited with code 0.\n\nCommand output:\nFile size: 6619 bytes\r\nContains http: false\r\nContains //: false\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 55, "state": "DONE", "step_type": "agent_response", "duration_seconds": 6.484471315, "usage": {"input_tokens": 2350, "output_tokens": 2471, "thinking_tokens": 48, "cache_read_tokens": 77480, "total_tokens": 4821}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 56, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/test_runner.js\nconst { spawn } = require('child_process');\nconst http = require('http');\nconst fs = require('fs');\nconst path = require('path');\n\nconst scenePath = path.resolve('out/scene.html');\nconst spec = JSON.parse(fs.readFileSync('spec.json', 'utf8'));\n\nconsole.log('=== Checking Check 1: self_contained ===');\nconst htmlContent = fs.readFileSync(scenePath, 'utf8');\nconst stat = fs.statSync(scenePath);\nconsole.log(`File size: ${stat.size} bytes (must be <= 200,000)`);\nif (stat.size >\u2026"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 56, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 6.937684046, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "cat << 'EOF' > /tmp/test_runner.js\nconst { spawn } = require('child_process');\nconst http = require('http');\nconst fs = require('fs');\nconst path = require('path');\n\nconst scenePath = path.resolve('out/scene.html');\nconst spec = JSON.parse(fs.readFileSync('spec.json', 'utf8'));\n\nconsole.log('=== Checking Check 1: self_contained ===');\nconst htmlContent = fs.readFileSync(scenePath, 'utf8');\nconst stat = fs.statSync(scenePath);\nconsole.log(`File size: ${stat.size} bytes (must be <= 200,000)`);\nif (stat.size >\u2026"}, "output": "Command exited with code 0.\n\nCommand output:\n=== Checking Check 1: self_contained ===\r\nFile size: 6619 bytes (must be <= 200,000)\r\nPASS: Self contained, no http or // found\r\n=== Checking Check 2: has_canvas_or_svg ===\r\nCanvas/SVG check result: {\r\n found: true,\r\n tagName: 'CANVAS',\r\n width: 720,\r\n height: 480,\r\n visible: true,\r\n title: 'Junction 511'\r\n}\r\n=== Sampling over 3 seconds (30 screenshots and sceneState samples) ===\r\n=== Checking Check 3: frames_change ===\r\nDiffering screenshots from first: 29 / 29 (needs at least 3)\r\n=== Checking Check 4: light_sequence ===\r\nLight changes: 8 (needs >= 3)\r\nPhase green: observed 0.83s, spec 0.8s, diff 0.03s (<= 0.25s: true)\r\nPhase amber: observed 0.33s, spec 0.4s, diff 0.07s (<= 0.25s: true)\r\nPhase red: observed 0.83s, spec 0.8s, diff 0.03s (<= 0.25s: true)\r\nPhase red_amber: observed 0.33s, spec 0.4s, diff 0.07s (<= 0.25s: true)\r\nPhase green: observed 0.83s, spec 0.8s, diff 0.03s (<= 0.25s: true)\r\nPhase amber: observed 0.50s, spec 0.4s, diff 0.10s (<= 0.25s: true)\r\nPhase red: observed 0.67s, spec 0.8s, diff 0.13s (<= 0.25s: true)\r\nPhase red_amber: observed 0.50s, spec 0.4s, diff 0.10s (<= 0.25s: true)\r\n=== Checking Check 5: cars_obey_lights ===\r\nCar 1 crossed stop line legally on green!\r\nCar 2 crossed stop line legally on green!\r\nIllegal crossings: 0\r\nCar moves while green: true\r\nCar waits near stop line non-green: true\r\n=== Checking Check 6: no_console_errors ===\r\nConsole messages recorded: []\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 57, "state": "DONE", "step_type": "agent_response", "duration_seconds": 3.582622551, "usage": {"input_tokens": 5473, "output_tokens": 144, "thinking_tokens": 105, "cache_read_tokens": 77484, "total_tokens": 5617}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 58, "state": "ACTIVE", "step_type": "tool", "tool_name": "run_command", "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -la out"}}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 58, "state": "DONE", "step_type": "tool", "tool_name": "run_command", "duration_seconds": 0.299101014, "tool_info": {"name": "run_command", "parameters": {"CommandLine": "ls -la out"}, "output": "Command exited with code 0.\n\nCommand output:\ntotal 20\r\ndrwxr-xr-x 2 bob bob 4096 Oct 23 06:14 .\r\ndrwxr-xr-x 4 bob bob 4096 Oct 23 05:55 ..\r\n-rw-r--r-- 1 bob bob 6619 Oct 23 06:14 scene.html\r\n-rw-r--r-- 1 bob bob 4 Oct 23 06:11 test.txt\r\n"}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 59, "state": "DONE", "step_type": "agent_response", "duration_seconds": 7.369615286, "usage": {"input_tokens": 5826, "output_tokens": 349, "thinking_tokens": 280, "cache_read_tokens": 77476, "total_tokens": 6175}}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 60, "state": "ACTIVE", "step_type": "tool", "tool_name": "write_file", "tool_info": {"name": "write_file", "parameters": {"Path": "/home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/test.txt"}}}}
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{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 63, "state": "ACTIVE", "step_type": "agent_response", "text_delta": "ocol-relative URLs (total file size ~6.6 KB, wel"}}
{"event": "step_update", "step_update": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "step_index": 63, "state": "ACTIVE", "step_type": "agent_response", "text_delta": "l below the "}}
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{"event": "result", "result": {"conversation_id": "9015d729-95ec-48cf-bca3-0c96cdb1cec5", "status": "SUCCESS", "response": "The animated junction scene has been implemented in [`out/scene.html`](file:///home/bob/usecase-runs/b2930/out/agy/gemini-3.8-flash-medium/b29h08/work/out/scene.html) adhering to all specifications and contract requirements:\n\n- **Self-contained Stage**: Rendered on a 720x480 CSS pixel `<canvas>` stage visible on load with page `<title>Junction 511</title>`. All styling, rendering, and logic are completely inline without external assets, network requests, or protocol-relative URLs (total file size ~6.6 KB, well below the 200 KB limit).\n- **Continuous Animation & State Contract**: Exposes `window.sceneState()`, returning `{ light: \"<phase_name>\", cars: [{x: ...}, ...] }` synchronized with the animation loop.\n- **Traffic Light Sequence**: Follows the timed phase sequence (`red` 0.8s, `red_amber` 0.4s, `green` 0.8s, `amber` 0.4s) starting on load and looping continuously.\n- **Car Behavior & Stop Line Adherence**: Exactly 3 cars queue behind the stop line (`stop_line_x = 325`), moving only across the stop line during green phases, waiting within 60 px before the stop line during non-green phases, and smoothly wrapping around upon leaving the stage.\n", "duration_seconds": 249.252137031, "num_turns": 1, "usage": {"input_tokens": 202049, "output_tokens": 67491, "thinking_tokens": 46688, "cache_read_tokens": 1247077, "total_tokens": 269540}}}