{ "slug": "dp_006-q05-codex", "dp": "dp_006", "files": 100, "qid": "q05", "family": "multi_hop", "prompt": "Lior's outreach email to Charlie Marsh describes his professional background including two corporate employers before going independent. What were those two companies, what years did he work at each, and what work did he do? Cross-check at least one detail against his memory profile.", "gold": "Lior worked at Mozilla from 2014\u20132018, on the Servo rendering engine and related browser infrastructure (layout pipeline and early style system work before the Quantum project). He then worked at Cloudflare from 2018\u20132022, on edge networking and contributed to early pieces of the Workers runtime infrastructure. His memory profile (lior-brennan-zhou.md) confirms these details and adds that he relocated to Berlin in 2019 while at Cloudflare, and that he became vegetarian in 2014 during the Mozilla period.", "agent": "codex", "fs": { "agent": "codex", "success": true, "steps": 1, "inputTokens": 175478, "outputTokens": 1903, "totalTokens": 177381, "cost": 2.1628, "durationMs": 34195, "answer": "Lior\u2019s two corporate employers before going independent were:\n\n| Company | Years | Work described in outreach email |\n|---|---:|---|\n| Mozilla | 2014-2018 | Servo rendering engine and related browser infrastructure, mostly layout pipeline plus some early style-system work before Quantum changed direction. |\n| Cloudflare | 2018-2022 | Edge networking, plus early pieces of Workers runtime infrastructure. |\n\nSource: [sponsor-outreach-astral.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_006/agent_memory/email/sponsor-outreach-astral.md:37).\n\nCross-check: Lior\u2019s memory profile matches the Mozilla years and Servo/layout/style-system detail, and it also confirms Cloudflare from 2018-2022 with Rust/networking/edge infrastructure and leaving in 2022 to go independent: [lior-brennan-zhou.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_006/agent_memory/memory/profiles/lior-brennan-zhou.md:21).", "judgeReason": "covers all asked facts", "toolCalls": 7, "trajectory": [ { "step": 1, "inputTokens": 175478, "outputTokens": 1903, "text": "I\u2019ll search the local `agent_memory/` first, then verify the outreach-email details against Lior\u2019s memory profile before answering.\nI see the likely evidence in the email and profile folders. I\u2019m narrowing on messages mentioning both Lior and Charlie Marsh, then I\u2019ll read the full files instead of relying on snippets.\nLior\u2019s two corporate employers before going independent were:\n\n| Company | Years | Work described in outreach email |\n|---|---:|---|\n| Mozilla | 2014-2018 | Servo rendering engine and related browser infrastructure, mostly layout pipeline plus some early style-system work before Quantum changed direction. |\n| Cloudflare | 2018-2022 | Edge networking, plus early pieces of Workers runtime infrastructure. |\n\nSource: [sponsor-outreach-astral.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_006/agent_memory/email/sponsor-outreach-astral.md:37).\n\nCross-check: Lior\u2019s memory profile matches the Mozilla years and Servo/layout/style-system detail, and it also confirms Cloudflare from 2018-2022 with Rust/networking/edge infrastructure and leaving in 2022 to go independent: [lior-brennan-zhou.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_006/agent_memory/memory/profiles/lior-brennan-zhou.md:21).", "toolCalls": [ { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'find agent_memory -maxdepth 2 -type f'\"}", "outputPreview": "agent_memory/releases/release-v0.1.0-2026-01-22.md\nagent_memory/releases/release-v0.3.5-hotfix-2026-04-28.md\nagent_memory/releases/release-v0.4.0-2026-05-15.md\nagent_memory/releases/release-v0.3.0-2026-03-31.md\nagent_memory/releases/release-v0.6.0-2026-06-22.md\nagent_memory/releases/release-v0.6.2-prep-2026-06-30.md\nagent_memory/releases/release-v0.2.0-2026-02-28.md\nagent_memory/releases/release-v\u2026", "outputChars": 4444 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'rg --files agent_memory'\"}", "outputPreview": "agent_memory/email/sponsor-outreach-bytebase.md\nagent_memory/email/sponsor-confirm-astral.md\nagent_memory/email/security-disclosure-cve-2026-31418.md\nagent_memory/email/sponsor-outreach-rejected-tbdcorp.md\nagent_memory/email/conf-invite-fosdem-acceptance.md\nagent_memory/email/user-direct-thanks-newcomer.md\nagent_memory/email/user-direct-question-licensing.md\nagent_memory/email/user-direct-typo-rep\u2026", "outputChars": 5104 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'rg -n \\\"Lior|Charlie|Marsh|corporate|independent|employer|employers\\\" agent_memory/email agent_memory/memory'\"}", "outputPreview": "agent_memory/email/sponsor-outreach-rejected-tbdcorp.md:12:- [issue #128 \u2014 funding discussion](../issues/issue-128-funding-discussion.md) \u2014 community thread started 2026-06-12; Lior forwarded the situation (without naming $TBD-CORP) for community visibility.\nagent_memory/email/sponsor-outreach-rejected-tbdcorp.md:15:- [email/sponsor-outreach-bytebase.md](sponsor-outreach-bytebase.md) \u2014 same-day ou\u2026", "outputChars": 74063 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"sed -n '1,220p' agent_memory/memory/profiles/lior-brennan-zhou.md\\\"\"}", "outputPreview": "# Profile \u2014 Lior Brennan-Zhou\n\n---\n\n## Identity\n\n**Lior Brennan-Zhou** (he/him). Born 1988-03-15 in Toronto, Canada; relocated to Berlin in 2019. Age 38 as of the reference date. Dual cultural background; grew up speaking English at home, picked up German after the move and now operates comfortably in it for daily life though work communication stays in English. Goes by \"Lior\" across all platforms\u2026", "outputChars": 15036 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba agent_memory/email/sponsor-outreach-astral.md | sed -n '1,220p'\\\"\"}", "outputPreview": " 1\t
\n 2\tMessage headers (mbox export \u2014 raw)\n 3\t\n 4\t```\n 5\tFrom lior@kitabi.dev Tue Apr 15 09:42:17 2026\n 6\tReturn-Path: \n 7\tDelivered-To: charlie@astral.sh\n 8\tReceived: from mail.kitabi.dev (mail.kitabi.dev [185.220.104.42])\n 9\t by mx.astral.sh with ESMTPS id k7sm1234567pjr.18.2026.04.15.00.42.12\n 10\t \u2026", "outputChars": 10613 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"sed -n '1,220p' agent_memory/email/sponsor-outreach-astral.md\\\"\"}", "outputPreview": "
\nMessage headers (mbox export \u2014 raw)\n\n```\nFrom lior@kitabi.dev Tue Apr 15 09:42:17 2026\nReturn-Path: \nDelivered-To: charlie@astral.sh\nReceived: from mail.kitabi.dev (mail.kitabi.dev [185.220.104.42])\n by mx.astral.sh with ESMTPS id k7sm1234567pjr.18.2026.04.15.00.42.12\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n \u2026", "outputChars": 9976 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba agent_memory/memory/profiles/lior-brennan-zhou.md | sed -n '1,80p'\\\"\"}", "outputPreview": " 1\t# Profile \u2014 Lior Brennan-Zhou\n 2\t\n 3\t---\n 4\t\n 5\t## Identity\n 6\t\n 7\t**Lior Brennan-Zhou** (he/him). Born 1988-03-15 in Toronto, Canada; relocated to Berlin in 2019. Age 38 as of the reference date. Dual cultural background; grew up speaking English at home, picked up German after the move and now operates comfortably in it for daily life though work communication stay\u2026", "outputChars": 6967 } ] } ] }, "smfs": { "agent": "codex", "success": true, "steps": 1, "inputTokens": 144124, "outputTokens": 2117, "totalTokens": 146241, "cost": 1.793, "durationMs": 65219, "answer": "The two companies were:\n\n- **Mozilla (2014\u20132018):** worked on the **Servo rendering engine** and related browser infrastructure, mainly the **layout pipeline**, with some early **style system** work.\n- **Cloudflare (2018\u20132022):** worked on **edge networking** and contributed to early pieces of the **Workers runtime infrastructure**.\n\nCross-check: Lior\u2019s profile confirms the Mozilla dates and Servo/layout/style work, and also confirms Cloudflare from **2018\u20132022** with Rust/networking/edge infrastructure, leaving Cloudflare in 2022 to go independent. Sources: [outreach email](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_006/agent_memory/email/sponsor-outreach-astral.md:37), [profile](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_006/agent_memory/memory/profiles/lior-brennan-zhou.md:21).", "judgeReason": "covers all asked facts", "toolCalls": 5, "trajectory": [ { "step": 1, "inputTokens": 144124, "outputTokens": 2117, "text": "I\u2019ll search the mounted memory for Lior\u2019s outreach email and then verify the employer detail against the local profile before answering.\nThe first semantic pass points to `email/sponsor-outreach-astral.md` for Charlie Marsh/Astral and `memory/profiles/lior-brennan-zhou.md` for the profile cross-check. I\u2019m reading those sections now for exact years and wording.\nThe two companies were:\n\n- **Mozilla (2014\u20132018):** worked on the **Servo rendering engine** and related browser infrastructure, mainly the **layout pipeline**, with some early **style system** work.\n- **Cloudflare (2018\u20132022):** worked on **edge networking** and contributed to early pieces of the **Workers runtime infrastructure**.\n\nCross-check: Lior\u2019s profile confirms the Mozilla dates and Servo/layout/style work, and also confirms Cloudflare from **2018\u20132022** with Rust/networking/edge infrastructure, leaving Cloudflare in 2022 to go independent. Sources: [outreach email](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_006/agent_memory/email/sponsor-outreach-astral.md:37), [profile](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_006/agent_memory/memory/profiles/lior-brennan-zhou.md:21).", "toolCalls": [ { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'pwd && rg --files'\"}", "outputPreview": "/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_006/agent_memory\nprofile.md\nreleases/release-v0.6.2-prep-2026-06-30.md\nreleases/release-v0.6.0-2026-06-22.md\nreleases/release-v0.5.0-2026-06-08.md\nreleases/release-v0.4.0-2026-05-15.md\nreleases/release-v0.3.5-hotfix-2026-04-28.md\nreleases/release-v0.3.0-2026-03-31.md\nreleases/release-v0.2.0-2026-02-28.md\nrel\u2026", "outputChars": 3923 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'smfs grep \\\"Lior outreach email Charlie Marsh corporate employers before going independent\\\"'\"}", "outputPreview": "# supermemory semantic search \u2014 10 results for \"Lior outreach email Charlie Marsh corporate employers before going independent\"\n# searches by meaning across files in this container. usage:\n# grep \"natural language query\" search all files\n# grep \"query\" path/to/dir/ search within directory\n# output: :-: (chunk text is verbatim from th\u2026", "outputChars": 2320 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba email/sponsor-outreach-astral.md | sed -n '1,260p'\\\"\"}", "outputPreview": " 1\t
\n 2\tMessage headers (mbox export \u2014 raw)\n 3\t\n 4\t```\n 5\tFrom lior@kitabi.dev Tue Apr 15 09:42:17 2026\n 6\tReturn-Path: \n 7\tDelivered-To: charlie@astral.sh\n 8\tReceived: from mail.kitabi.dev (mail.kitabi.dev [185.220.104.42])\n 9\t by mx.astral.sh with ESMTPS id k7sm1234567pjr.18.2026.04.15.00.42.12\n 10\t \u2026", "outputChars": 10612 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba memory/profiles/lior-brennan-zhou.md | sed -n '1,220p'\\\"\"}", "outputPreview": " 1\t# Profile \u2014 Lior Brennan-Zhou\n 2\t\n 3\t---\n 4\t\n 5\t## Identity\n 6\t\n 7\t**Lior Brennan-Zhou** (he/him). Born 1988-03-15 in Toronto, Canada; relocated to Berlin in 2019. Age 38 as of the reference date. Dual cultural background; grew up speaking English at home, picked up German after the move and now operates comfortably in it for daily life though work communication stay\u2026", "outputChars": 16568 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'rg -n \\\"Charlie|Marsh|Cloudflare|independent|employer|worked at|2018|2022|2016|2017|Lior\\\" email memory notes issues pr_threads releases code'\"}", "outputPreview": "notes/retro-april-2026.md:15:Charlie Marsh reached out via the GitHub Sponsors link after noticing kitabi getting some chatter in the Rust tooling community. He asked a few direct questions about longevity and maintenance cadence, I answered honestly, and then he just... said yes. $200/mo, indefinite. No strings that I can see, no weird deliverable attached to it. The email thread is in [email/spo\u2026", "outputChars": 1985 } ] } ] } }