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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\n    at <anonymous> (user-script.js:14:7)\n    at <anonymous> (user-script.js:26:3)","is_error":true,"tool_use_id":"toolu_01RHu4DxcAFAE8gQ1ggoo4K8"}]},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"5ca31b77-0c66-409b-b0a5-2ff0b15cd0e8","timestamp":"2026-04-03T09:20:24.470Z","tool_use_result":"Error: Exit code 1\n    at <anonymous> (user-script.js:14:7)\n    at <anonymous> (user-script.js:26:3)"}
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{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\n    at <anonymous> (user-script.js:14:24)\n    at <anonymous> (user-script.js:21:3)","is_error":true,"tool_use_id":"toolu_019hmtWqKX39LGwdgPtvnnZ5"}]},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"0aa89d63-a925-40d2-8042-c12264a28430","timestamp":"2026-04-03T09:20:36.895Z","tool_use_result":"Error: Exit code 1\n    at <anonymous> (user-script.js:14:24)\n    at <anonymous> (user-script.js:21:3)"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01PDV4fMVczVQqYEFEVL799J","type":"tool_result","content":"Dev Browser is a CLI for controlling local or external browsers with JavaScript scripts.\nScripts run in a sandboxed QuickJS runtime (not Node.js). Top-level `await` is\navailable, along with a preconnected `browser` global and standard `console` output.\nA background daemon starts automatically when needed and manages browser instances,\nnamed pages, and CDP connections.\n\nSANDBOX ENVIRONMENT:\n  Scripts execute inside a QuickJS WASM sandbox with no arbitrary access to the host system.\n  This is NOT Node.js — the following are NOT available:\n    - require() / import()     No module loading\n    - process                  No process access\n    - fs / path / os           No direct filesystem access\n    - fetch / WebSocket        No direct network access\n    - __dirname / __filename   No path globals\n\n  Available globals:\n    browser                    Pre-connected browser handle (see API below)\n    console                    log, warn, error, info (routed to CLI output)\n    setTimeout / clearTimeout  Basic timers\n    saveScreenshot(buf, name)  Save a screenshot buffer (async, must be awaited)\n    writeFile(name, data)      Write a file to temp dir (async, must be awaited)\n    readFile(name)             Read a file from temp dir (async, must be awaited)\n\n  Memory and CPU limits are enforced. 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Anonymous pages are cleaned up after the script exits.\n  browser.listPages()       List all tabs: named pages and existing browser tabs.\n                            Returns [{id, url, title, name}].\n  browser.closePage(name) Close and remove a named page.\n  await saveScreenshot(buf: Buffer, name: string): Promise<string>\n                          Save a screenshot buffer to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the saved file.\n                          Example: const path = await saveScreenshot(await page.screenshot(), \"home.png\");\n\n  await writeFile(name: string, data: string): Promise<string>\n                          Write data to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the written file.\n                          Example: const path = await writeFile(\"results.json\", JSON.stringify(data));","is_error":false}]},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"3e8e6642-1f15-4bb6-a0ec-3f9a248a74ea","timestamp":"2026-04-03T09:20:39.084Z","tool_use_result":{"stdout":"Dev Browser is a CLI for controlling local or external browsers with JavaScript scripts.\nScripts run in a sandboxed QuickJS runtime (not Node.js). Top-level `await` is\navailable, along with a preconnected `browser` global and standard `console` output.\nA background daemon starts automatically when needed and manages browser instances,\nnamed pages, and CDP connections.\n\nSANDBOX ENVIRONMENT:\n  Scripts execute inside a QuickJS WASM sandbox with no arbitrary access to the host system.\n  This is NOT Node.js — the following are NOT available:\n    - require() / import()     No module loading\n    - process                  No process access\n    - fs / path / os           No direct filesystem access\n    - fetch / WebSocket        No direct network access\n    - __dirname / __filename   No path globals\n\n  Available globals:\n    browser                    Pre-connected browser handle (see API below)\n    console                    log, warn, error, info (routed to CLI output)\n    setTimeout / clearTimeout  Basic timers\n    saveScreenshot(buf, name)  Save a screenshot buffer (async, must be awaited)\n    writeFile(name, data)      Write a file to temp dir (async, must be awaited)\n    readFile(name)             Read a file from temp dir (async, must be awaited)\n\n  Memory and CPU limits are enforced. Infinite loops will be interrupted.\n\nPrimary invocation styles:\n  dev-browser <<'EOF'\n    const page = await browser.getPage(\"main\");\n    await page.goto(\"https://example.com\");\n    console.log(await page.title());\n  EOF\n\n  dev-browser run script.js\n  dev-browser --browser my-project < script.js\n  dev-browser --connect http://localhost:9222 <<'EOF'\n    const page = await browser.getPage(\"main\");\n    await page.goto(\"https://example.com\");\n  EOF\n  dev-browser --connect <<'EOF'\n    const page = await browser.getPage(\"main\");\n    console.log(await page.title());\n  EOF\n\nScript API available inside every script:\n  browser.getPage(nameOrId) Get a page by name (creates if new) or connect to an existing\n                            tab by its targetId from listPages().\n  browser.newPage()       Create an anonymous page. Anonymous pages are cleaned up after the script exits.\n  browser.listPages()       List all tabs: named pages and existing browser tabs.\n                            Returns [{id, url, title, name}].\n  browser.closePage(name) Close and remove a named page.\n  await saveScreenshot(buf: Buffer, name: string): Promise<string>\n                          Save a screenshot buffer to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the saved file.\n                          Example: const path = await saveScreenshot(await page.screenshot(), \"home.png\");\n\n  await writeFile(name: string, data: string): Promise<string>\n                          Write data to ~/.dev-browser/tmp/<name>.\n                          Returns the full path to the written file.\n                          Example: const path = await writeFile(\"results.json\", JSON.stringify(data));","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_011JAsbTt8QnAGEhRk3vUq1J","type":"tool_result","content":"The file /Users/kunchen/github/kunchenguid/axi/bench-browser/results/dev-browser/wikipedia_table_read/run1/workspace/script.js has been updated successfully."}]},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"81e4c956-8cbf-42d4-a483-da5d78aff495","timestamp":"2026-04-03T09:20:42.514Z","tool_use_result":{"type":"update","filePath":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/dev-browser/wikipedia_table_read/run1/workspace/script.js","content":"const page = await browser.getPage(\"main\");\nawait page.goto('https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population');\nconst title = await page.title();\nconsole.log('Title:', title);\nconst tables = await page.$$('table');\nconsole.log('Tables found:', tables.length);\n","structuredPatch":[{"oldStart":1,"oldLines":5,"newStart":1,"newLines":5,"lines":["-const response = await page.goto('https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population');","-console.log('Status:', response.status());","+const page = await browser.getPage(\"main\");","+await page.goto('https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population');"," const title = await page.title();"," console.log('Title:', title);"," const tables = await page.$$('table');"]}],"originalFile":"const response = await page.goto('https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population');\nconsole.log('Status:', response.status());\nconst title = await page.title();\nconsole.log('Title:', title);\nconst tables = await page.$$('table');\nconsole.log('Tables found:', tables.length);\n"}}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_011nUW3FKQ9X2gv1mgX9BLgj","type":"tool_result","content":"Title: List of countries and dependencies by population - Wikipedia\nTables found: 3","is_error":false}]},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"79425685-67a4-409a-ba55-d3e8b2cd0593","timestamp":"2026-04-03T09:20:45.380Z","tool_use_result":{"stdout":"Title: List of countries and dependencies by population - Wikipedia\nTables found: 3","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01Kq8UuxguPrujqCYv8Lan6t","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01V6ENzQNejWAxXm7f2X9vm1","name":"Write","input":{"file_path":"/Users/kunchen/github/kunchenguid/axi/bench-browser/results/dev-browser/wikipedia_table_read/run1/workspace/script.js","content":"const page = await browser.getPage(\"main\");\n\nconst rows = await page.$$eval('table.wikitable tbody tr', rows => {\n  return rows.slice(0, 5).map(row => {\n    const cells = row.querySelectorAll('td, th');\n    return Array.from(cells).map(c => c.innerText.trim());\n  });\n});\n\nconsole.log(JSON.stringify(rows, null, 2));\n"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":132,"cache_read_input_tokens":18584,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":132},"output_tokens":65,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"cbb4b220-783a-4c86-9f73-778fa61711a1"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013sUWLcZHkZgx1e48mxXe9v","type":"tool_result","content":"[\n  [\n    \"World\",\n    \"8,232,000,000\",\n    \"100%\",\n    \"13 Jun 2025\",\n    \"UN projection[1][3]\",\n    \"\"\n  ],\n  [\n    \"India\",\n    \"1,417,492,000\",\n    \"17.2%\",\n    \"1 Jul 2025\",\n    \"Official projection[4]\",\n    \"[b]\"\n  ],\n  [\n    \"China\",\n    \"1,404,890,000\",\n    \"17.1%\",\n    \"31 Dec 2025\",\n    \"Official estimate[5]\",\n    \"[c]\"\n  ],\n  [\n    \"United States\",\n    \"341,784,857\",\n    \"4.1%\",\n    \"1 Jul 2025\",\n    \"Official estimate[6]\",\n    \"[d]\"\n  ],\n  [\n    \"Indonesia\",\n    \"288,315,089\",\n    \"3.5%\",\n    \"31 Dec 2025\",\n    \"National annual projection[7]\",\n    \"\"\n  ]\n]","is_error":false}]},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"a802d274-1d15-4ed5-8f6c-e00cab770c8d","timestamp":"2026-04-03T09:20:51.107Z","tool_use_result":{"stdout":"[\n  [\n    \"World\",\n    \"8,232,000,000\",\n    \"100%\",\n    \"13 Jun 2025\",\n    \"UN projection[1][3]\",\n    \"\"\n  ],\n  [\n    \"India\",\n    \"1,417,492,000\",\n    \"17.2%\",\n    \"1 Jul 2025\",\n    \"Official projection[4]\",\n    \"[b]\"\n  ],\n  [\n    \"China\",\n    \"1,404,890,000\",\n    \"17.1%\",\n    \"31 Dec 2025\",\n    \"Official estimate[5]\",\n    \"[c]\"\n  ],\n  [\n    \"United States\",\n    \"341,784,857\",\n    \"4.1%\",\n    \"1 Jul 2025\",\n    \"Official estimate[6]\",\n    \"[d]\"\n  ],\n  [\n    \"Indonesia\",\n    \"288,315,089\",\n    \"3.5%\",\n    \"31 Dec 2025\",\n    \"National annual projection[7]\",\n    \"\"\n  ]\n]","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false}}
{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01YUUCbU4PrKXdkcDN5stQhA","type":"message","role":"assistant","content":[{"type":"text","text":"The top 3 countries by population according to the Wikipedia article are:\n\n| Rank | Country | Population |\n|------|---------|-----------|\n| 1 | **India** | 1,417,492,000 |\n| 2 | **China** | 1,404,890,000 |\n| 3 | **United States** | 341,784,857 |\n\nNote: India currently edges out China for the #1 spot. The \"World\" row at the top is a summary row (total ~8.23 billion), not a country."}],"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":760,"cache_read_input_tokens":18716,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":760},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"parent_tool_use_id":null,"session_id":"0f4567a8-66d2-446a-81be-063f63f27463","uuid":"f9a88ae2-8080-43c6-923b-edb1650d7e8a"}
{"type":"result","subtype":"success","is_error":false,"duration_ms":39648,"duration_api_ms":37653,"num_turns":12,"result":"The top 3 countries by population according to the Wikipedia article are:\n\n| Rank | Country | Population |\n|------|---------|-----------|\n| 1 | **India** | 1,417,492,000 |\n| 2 | **China** | 1,404,890,000 |\n| 3 | **United States** | 341,784,857 |\n\nNote: India currently edges out China for the #1 spot. The \"World\" row at the top is a summary row (total ~8.23 billion), not a country.","stop_reason":"end_turn","session_id":"0f4567a8-66d2-446a-81be-063f63f27463","total_cost_usd":0.13473525,"usage":{"input_tokens":13,"cache_creation_input_tokens":11541,"cache_read_input_tokens":199875,"output_tokens":2097,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":11541,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"},"modelUsage":{"claude-sonnet-4-6":{"inputTokens":13,"outputTokens":2097,"cacheReadInputTokens":199875,"cacheCreationInputTokens":11541,"webSearchRequests":0,"costUSD":0.13473525,"contextWindow":200000,"maxOutputTokens":32000}},"permission_denials":[],"fast_mode_state":"off","uuid":"ee2dccfa-fdec-4c4b-b9ba-395e6757f038"}
