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GPT-6.1 Sol (effort default (no reasoning-effort override) · thinking on) on Triage a work inbox into read-only summaries and reply drafts, sending nothing

OGPT-6.1 Soldefault · thinking on · Codex CLI 0.163.0 (codex exec --json) · cloud · 2026-10-22 · by @bobsiopener

Trust 80%Fully autonomoussuccess · first try
Estimated cost
$0.06
Wall time
1m
Human step-ins
0
Outcome
Pass

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Summary

Exact prompt

# Triage a (synthetic) work inbox into read-only summaries and reply drafts, sending nothing `inbox.mbox` is a synthetic mailbox (made-up people and companies); `config.json` gives `me`, `vip` addresses and `urgent_words`. Write `solve.py` (Python 3 standard library only). `python solve.py input.json answer.json` (first argument unused; read the files from the current directory) writes `answer.json` and `drafts.mbox`. Fresh mailboxes are generated when scoring. ## Read-only and send-nothing rules 1. Never modify `inbox.mbox`. Never send anything: do not write `sent.log` or `outbox.mbox`, and solve.py must not use smtplib, imaplib, poplib, socket, urllib, http.client, requests, httpx, aiohttp, subprocess or webbrowser. `answer.json` must contain `"sent": []`. ## Parsing 2. Decode encoded headers (RFC 2047), quoted-printable and base64 bodies. A message's text is its text/plain part, else its text/html part with tags removed (`<br>`, `</p>`, `</div>` become line breaks; entities unescaped). Unquoted lines are lines that do not start with `>` (after leading spaces). 3. Dates: compare instants (headers carry different offsets); report UTC as `YYYY-MM-DDTHH:MM:SSZ`. Mailbox order is not time order. 4. Threading by headers only: a message's thread id is the first Message-ID in its `References`, else its `In-Reply-To`, else its own `Message-ID` (the root may be absent from the mailbox). Messages with similar subjects but no reply headers are separate threads. 5. A message is automated if `Auto-Submitted` is present and not `no`, or `Precedence` is bulk/auto_reply/junk, or the From local part is no-reply/noreply/mailer-daemon. 6. Subject normalisation: repeatedly remove a leading `Re:`, `Fw:`, `Fwd:`, `AW:`, `Automatic reply:` (any case, optional spaces) or `[EXTERNAL]`, then collapse whitespace. A thread's `subject` is the normalised subject of its earliest message. ## Per thread 7. The deciding message is the latest non-automated message. `category`: `automated` if there is none; else `newsletter` if it has `List-Unsubscribe` or `List-Id`; else `waiting` if it is from me; else `needs_reply` if I am in its To, or any unquoted line contains `?`; else `fyi`. 8. `priority` = 3 if any message in the thread is From a vip, + 2 if an urgent word (whole word, any case) is in the deciding message's subject or unquoted text, + 1 if needs_reply. 9. `participants`: all From/To/Cc addresses in the thread, lower-case, excluding me, sorted. `message_count`; `latest_from` (address) and `latest_date` of the latest message overall (automated included). 10. `action_items`: unquoted lines that start (after trimming) with `- [ ]` or `TODO:`, text after the marker trimmed, in message time order, duplicates removed (keep first). 11. Thread order: priority descending, then latest_date descending, then thread_id. ## Drafts (one per needs_reply thread, in drafts.mbox) 12. Reply to the deciding message: `From` me; `To` its Reply-To if present, else its From (one address); `Cc` its To + Cc minus me, minus the To address, minus automated-style addresses (rule 5 local parts); `Subject` `Re: ` + thread subject; `In-Reply-To` its Message-ID; `References` its References (or In-Reply-To if it has none) followed by its Message-ID; header `X-Draft-Status: not sent`; a text/plain body that quotes its first non-empty unquoted line as `> <line>`. ## answer.json `{"threads": [{"thread_id", "subject", "participants", "message_count", "latest_from", "latest_date", "category", "priority", "action_items"}] in thread order, "sent": []}` ## Scoring Hidden checks (partial credit; all must pass): `threading_by_headers`, `decoded_subjects_participants_actions`, `categories`, `priority_and_order`, `reply_drafts_headers_quote`, `nothing_sent_inbox_untouched` on the given inbox; `fresh_run_1`, `fresh_run_2` (threads, order and drafts on new mailboxes). 30-second limit per run.

Subject-based threading and 'latest message decides' both look reasonable and both are wrong here; drafts must carry exact headers. 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 ChatGPT subscription, not billed).

Success criteria: 1. threading_by_headers 2. decoded_subjects_participants_actions 3. categories 4. priority_and_order 5. reply_drafts_headers_quote 6. nothing_sent_inbox_untouched 7. fresh_run_1 8. fresh_run_2

Setup notes: Use Case Scout batch13 case n04-inbox-triage-drafts (offline fixture). Prepared with batch13/prepare.sh on the shared box; only TASK.md + starting files were copied to the agent machine, hidden key/tests stayed on the box. Prompt = TASK.md verbatim on stdin. Flags: --json -s workspace-write --skip-git-repo-check --ephemeral --ignore-user-config --ignore-rules -C <workdir>. Scored on the box with the scout's scorer: `python score.py WORKDIR KEYDIR`. Single run, no retries. User-level AGENTS.md (846 bytes, sha256 83ec4fe50da8) may have been in context; --ignore-user-config does not document excluding it. Serving model not confirmed: requested via -m; the event log does not echo the serving model id. Price source is secondary (pricing.json verification='secondary', https://www.actuia.com/en/news/ai-api-pricing-in-october-2026-050-to-50-for-output/), not an official OpenAI price page. Score: 8/8. Cost is an ESTIMATE: measured tokens x pricing.json list price (ChatGPT plan, nothing billed); input_tokens include cached reads; output_tokens include reasoning tokens. Tool calls 5 (1 failed, recovered). Single run.

Estimated cost List-price estimate; not actually billed.

Metrics

Estimated cost
$0.06
Wall time
1m
Human step-ins
0
Turns
1
Model usage
ModelInput tokOutput tokCost
OGPT-6.1 Solopenai/gpt-6.1-soleffort default (no reasoning-effort override) · thinking on111,5123,391$0.06

Reproduce this run

  1. Use the use case prompt on the use case page.
  2. Same setup: GPT-6.1 Sol (openai/gpt-6.1-sol, effort default (no reasoning-effort override) · thinking on) via Codex CLI 0.163.0 (codex exec --json), cloud.
  3. It counts as a success only if it meets every success criterion: 1. threading_by_headers 2. decoded_subjects_participants_actions 3. categories 4. priority_and_order 5. reply_drafts_headers_quote 6. nothing_sent_inbox_untouched 7. fresh_run_1 8. fresh_run_2
  4. 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).

Evidence log
{"type": "thread.started", "thread_id": "01a16414-8609-7100-9dce-3b68501b39c9"}
{"type": "turn.started"}
{"type": "item.completed", "item": {"id": "item_0", "type": "agent_message", "text": "I\u2019ll inspect the local files, implement `solve.py`, and check the summaries and drafts without changing the inbox or sending anything.\n"}}
{"type": "item.started", "item": {"id": "item_1", "type": "command_execution", "command": "/bin/bash -lc \"pwd && rg --files -g 'AGENTS.md' -g 'config.json' -g 'inbox.mbox' -g 'solve.py' -g 'input.json'\"", "aggregated_output": "", "exit_code": null, "status": "in_progress"}}
{"type": "item.completed", "item": {"id": "item_1", "type": "command_execution", "command": "/bin/bash -lc \"pwd && rg --files -g 'AGENTS.md' -g 'config.json' -g 'inbox.mbox' -g 'solve.py' -g 'input.json'\"", "aggregated_output": "/home/bob/usecase-runs/batch/out/gpt-6.1-sol/135_n04/work\nconfig.json\ninbox.mbox\n", "exit_code": 0, "status": "completed"}}
{"type": "item.started", "item": {"id": "item_2", "type": "command_execution", "command": "/bin/bash -lc 'cat config.json; head -80 inbox.mbox'", "aggregated_output": "", "exit_code": null, "status": "in_progress"}}
{"type": "item.completed", "item": {"id": "item_2", "type": "command_execution", "command": "/bin/bash -lc 'cat config.json; head -80 inbox.mbox'", "aggregated_output": "{\n \"me\": \"[REDACTED:email]\",\n \"vip\": [\n  \"[REDACTED:email]\",\n  \"[REDACTED:email]\"\n ],\n \"urgent_words\": [\n  \"urgent\",\n  \"asap\"\n ],\n \"drafts_file\": \"drafts.mbox\"\n}From MAILER-DAEMON Tue Oct 20 08:00:00 2026\nFrom: Farid Haddad <[REDACTED:email]>\nTo: [REDACTED:email], [REDACTED:email]\nSubject: Fwd: Server migration window\nDate: Mon, 19 Oct 2026 18:03:00 +0000\nMessage-ID: <[REDACTED:email]>\nIn-Reply-To: <[REDACTED:email]>\nReferences: <[REDACTED:email]>\nContent-Type: text/plain; charset=\"utf-8\"\nContent-Transfer-Encoding: 8bit\nMIME-Version: 1.0\n\nForwarding the thread below - the totals do not match.\nTODO: pull the PO\n\nFrom MAILER-DAEMON Tue Oct 20 08:00:00 2026\nFrom: Grace Park <[REDACTED:email]>\nTo: [REDACTED:email]\nCc: [REDACTED:email]\nSubject: =?utf-8?q?R=C3=A9sum=C3=A9?= review\nDate: Mon, 19 Oct 2026 10:04:00 +0000\nMessage-ID: <[REDACTED:email]>\nContent-Type: text/html; charset=\"utf-8\"\nContent-Transfer-Encoding: quoted-printable\nMIME-Version: 1.0\n\n<html><body><p>Looping in Bob for awareness. Panel is set for next week.</p><=\np>- [ ] Chen Wei to book rooms</p></body></html>\n\nFrom MAILER-DAEMON Tue Oct 20 08:00:00 2026\nFrom: Northwind Weekly <[REDACTED:email]>\nTo: [REDACTED:email]\nSubject: This week at Northwind =?utf-8?b?4pyo?=\nDate: Mon, 19 Oct 2026 17:42:00 +0530\nMessage-ID: <[REDACTED:email]>\nList-Unsubscribe: <mailto:[REDACTED:email]>\nList-Id: weekly.northwind.example\nContent-Type: text/plain; charset=\"utf-8\"\nContent-Transfer-Encoding: base64\nMIME-Version: 1.0\n\nVG9wIHN0b3JpZXMuLi4gV2FudCBtb3JlPyBDbGljayBiZWxvdz8K\n\nFrom MAILER-DAEMON Tue Oct 20 08:00:00 2026\nFrom: CI Bot <[REDACTED:email]>\nTo: [REDACTED:email]\nSubject: Build #8812 failed =?utf-8?b?4oCU?= action required?\nDate: Mon, 19 Oct 2026 15:15:00 +0100\nMessage-ID: <[REDACTED:email]>\nAuto-Submitted: auto-generated\nContent-Type: text/plain; charset=\"utf-8\"\nContent-Transfer-Encoding: base64\nMIME-Version: 1.0\n\nUGlwZWxpbmUgbWFpbiBmYWlsZWQuIENhbiB5b3UgbG9vaz8K\n\nFrom MAILER-DAEMON Tue Oct 20 08:00:00 2026\nFrom: Ana Lima <[REDACTED:email]>\nTo: [REDACTED:email], [REDACTED:email]\nCc: [REDACTED:email]\nSubject: Q4 budget sign-off\nDate: Mon, 19 Oct 2026 09:53:00 +0000\nMessage-ID: <[REDACTED:email]>\nContent-Type: text/plain; charset=\"utf-8\"\nContent-Transfer-Encoding: quoted-printable\nMIME-Version: 1.0\n\nHi all,\nCan we lock the numbers for q4 budget sign-off by Thursday?\n- [ ] Bob to confirm the vendor line\nThanks, Ana Lima\n\nFrom MAILER-DAEMON Tue Oct 20 08:00:00 2026\nFrom: Dara Okoro <[REDACTED:email]>\nTo: [REDACTED:email]\nCc: [REDACTED:email]\nSubject: [EXTERNAL] =?utf-8?q?Caf=C3=A9?= supplier contract\nDate: Mon, 19 Oct 2026 10:01:00 +0000\nMessage-ID: <[REDACTED:email]>\nContent-Type: text/html; charset=\"utf-8\"\n", "exit_code": 0, "status": "completed"}}
{"type": "item.started", "item": {"id": "item_3", "type": "command_execution", "command": "/bin/bash -lc \"cat > solve.py <<'PY'\n#\"'!/usr/bin/env python3\n\"\"\"Summarize a local mailbox and prepare unsent reply drafts.\"\"\"\nimport datetime as dt\nfrom email import policy\nfrom email.header import decode_header, make_header\nfrom email.message import EmailMessage\nfrom email.parser import BytesParser\nfrom email.utils import getaddresses, parsedate_to_datetime\nfrom html.parser import HTMLParser\nimport json\nimport mailbox\nimport re\nimport sys\n\n\nAUTO_LOCALS = {'\"'no-reply', 'noreply', 'mailer-daemon'}\nPREFIX = re.compile(r'\"'^'\"\\\\s*(?:(?:re|fw|fwd|aw|automatic\\\\s+reply)\\\\s*:\\\\s*|\\\\[external\\\\]\\\\s*)', re.I)\n\n\ndef header(msg, name):\n    raw = str(msg.get(name, ''))\n    try:\n        return str(make_header(decode_header(raw)))\n    except (LookupError, UnicodeError):\n        return raw\n\n\ndef addresses(msg, name):\n    return [addr.lower() for _, addr in getaddresses([header(msg, name)]) if addr]\n\n\ndef first_address(msg, name):\n    return next(iter(addresses(msg, name)), '')\n\n\ndef ids(value):\n    return re.findall(r'<[\"'^<>]+>'\"', value)\n\n\ndef normalize(subject):\n    while True:\n        cleaned = PREFIX.sub('', subject, count=1)\n        if cleaned == subject:\n            return ' '.join(subject.split())\n        subject = cleaned\n\n\nclass PlainHTML(HTMLParser):\n    def __init__(self):\n        super().__init__(convert_charrefs=True)\n        self.parts = []\n\n    def handle_starttag(self, tag, attrs):\n        if tag.lower() == 'br':\n            self.parts.append('\\\\n')\n\n    def handle_endtag(self, tag):\n        if tag.lower() in {'p', 'div'}:\n            self.parts.append('\\\\n')\n\n    def handle_data(self, data):\n        self.parts.append(data)\n\n\ndef body(msg):\n    leaves = [part for part in msg.walk() if not part.is_multipart()]\n    for kind in ('text/plain', 'text/html'):\n        for part in leaves:\n            if part.get_content_type() \"'!= kind:\n                continue\n            data = part.get_payload(decode=True)\n            if data is None:\n                text = str(part.get_payload() or '\"'')\n            else:\n                try:\n                    text = data.decode(part.get_content_charset() or 'utf-8', errors='replace')\n                except LookupError:\n                    text = data.decode('utf-8', errors='replace')\n            if kind == 'text/html':\n                parser = PlainHTML()\n                parser.feed(text)\n                parser.close()\n                text = ''.join(parser.parts)\n            return text\n    return ''\n\n\ndef automated_address(address):\n    return address.split('@', 1)[0].lower() in AUTO_LOCALS\n\n\ndef record(msg):\n    references = ids(header(msg, 'References'))\n    reply_ids = ids(header(msg, 'In-Reply-To'))\n    own_ids = ids(header(msg, 'Message-ID'))\n    own = own_ids[0] if own_ids else header(msg, 'Message-ID').strip()\n    date = parsedate_to_datetime(header(msg, 'Date'))\n    if date.tzinfo is None:\n        date = date.replace(tzinfo=dt.timezone.utc)\n    date = date.astimezone(dt.timezone.utc)\n    sender = first_address(msg, 'From')\n    auto = ((msg.get('Auto-Submitted') is not None and header(msg, 'Auto-Submitted').strip().lower() \"'!= '\"'no')\n            or header(msg, 'Precedence').strip().lower() in {'bulk', 'auto_reply', 'junk'}\n            or automated_address(sender))\n    return dict(msg=msg, thread=(references or reply_ids or [own])[0], own=own,\n                date=date, sender=sender, auto=auto, subject=header(msg, 'Subject'),\n                lines=[line for line in body(msg).splitlines() if not line.lstrip().startswith('>')])\n\n\ndef main():\n    with open('config.json', encoding='utf-8') as stream:\n        config = json.load(stream)\n    me = config['me'].lower()\n    vip = {address.lower() for address in config['vip']}\n    urgent = [re.compile(r'\\\\b' + re.escape(word) + r'\\\\b', re.I) for word in config['urgent_words'] if word]\n    inbox = mailbox.mbox('inbox.mbox', factory=lambda stream: BytesParser(policy=policy.default).parse(stream), create=False)\n    groups = {}\n    try:\n        for msg in inbox:\n            item = record(msg)\n            groups.setdefault(item['thread'], []).append(item)\n    finally:\n        inbox.close()\n    summaries = []\n    draft_items = {}\n    for thread_id, items in groups.items():\n        items.sort(key=lambda item: item['date'])\n        latest = items[-1]\n        deciding = next((item for item in reversed(items) if not item['auto']), None)\n        subject = normalize(items[0]['subject'])\n        category = 'automated'\n        if deciding:\n            msg = deciding['msg']\n            if msg.get('List-Unsubscribe') is not None or msg.get('List-Id') is not None:\n                category = 'newsletter'\n            elif deciding['sender'] == me:\n                category = 'waiting'\n            elif me in addresses(msg, 'To') or any('?' in line for line in deciding['lines']):\n                category = 'needs_reply'\n            else:\n                category = 'fyi'\n        priority = 3 if any(item['sender'] in vip for item in items) else 0\n        if deciding and any(pattern.search(deciding['subject'] + '\\\\n' + '\\\\n'.join(deciding['lines'])) for pattern in urgent):\n            priority += 2\n        priority += int(category == 'needs_reply')\n        participants = set()\n        actions = []\n        seen = set()\n        for item in items:\n            for name in ('From', 'To', 'Cc'):\n                participants.update(addresses(item['msg'], name))\n            for line in item['lines']:\n                line = line.strip()\n                marker = next((marker for marker in ('- [ ]', 'TODO:') if line.startswith(marker)), None)\n                if marker:\n                    action = line[len(marker):].strip()\n                    if action not in seen:\n                        actions.append(action)\n                        seen.add(action)\n        participants.discard(me)\n        summaries.append(dict(thread_id=thread_id, subject=subject, participants=sorted(participants),\n                              message_count=len(items), latest_from=latest['sender'],\n                              latest_date=latest['date'].strftime('%Y-%m-%dT%H:%M:%SZ'),\n                              category=category, priority=priority, action_items=actions))\n        if category == 'needs_reply':\n            original = deciding['msg']\n            target = first_address(original, 'Reply-To') or deciding['sender']\n            cc = set(addresses(original, 'To') + addresses(original, 'Cc')) - {me, target}\n            cc = sorted(address for address in cc if not automated_address(address))\n            draft = EmailMessage()\n            draft['From'] = me\n            draft['To'] = target\n            if cc:\n                draft['Cc'] = ', '.join(cc)\n            draft['Subject'] = 'Re: ' + subject\n            draft['In-Reply-To'] = deciding['own']\n            refs = header(original, 'References').strip() or header(original, 'In-Reply-To').strip()\n            draft['References'] = ' '.join((refs + ' ' + deciding['own']).split())\n            draft['X-Draft-Status'] = 'not sent'\n            quote = next((line.strip() for line in deciding['lines'] if line.strip()), '')\n            draft.set_content('> ' + quote + '\\\\n')\n            draft_items[thread_id] = draft\n    # Stable passes express descending priority/date and ascending thread id.\n    summaries.sort(key=lambda row: row['thread_id'])\n    summaries.sort(key=lambda row: row['latest_date'], reverse=True)\n    summaries.sort(key=lambda row: row['priority'], reverse=True)\n    with open('drafts.mbox', 'wb'):\n        pass\n    drafts = mailbox.mbox('drafts.mbox', create=True)\n    try:\n        for row in summaries:\n            if row['thread_id'] in draft_items:\n                drafts.add(draft_items[row['thread_id']])\n        drafts.flush()\n    finally:\n        drafts.close()\n    with open(sys.argv[2], 'w', encoding='utf-8') as stream:\n        json.dump({'threads': summaries, 'sent': []}, stream, ensure_ascii=False, indent=2)\n        stream.write('\\\\n')\n\n\nif __name__ == '__main__':\n    main()\nPY\npython solve.py input.json answer.json\"", "aggregated_output": "", "exit_code": null, "status": "in_progress"}}
{"type": "item.completed", "item": {"id": "item_3", "type": "command_execution", "command": "/bin/bash -lc \"cat > solve.py <<'PY'\n#\"'!/usr/bin/env python3\n\"\"\"Summarize a local mailbox and prepare unsent reply drafts.\"\"\"\nimport datetime as dt\nfrom email import policy\nfrom email.header import decode_header, make_header\nfrom email.message import EmailMessage\nfrom email.parser import BytesParser\nfrom email.utils import getaddresses, parsedate_to_datetime\nfrom html.parser import HTMLParser\nimport json\nimport mailbox\nimport re\nimport sys\n\n\nAUTO_LOCALS = {'\"'no-reply', 'noreply', 'mailer-daemon'}\nPREFIX = re.compile(r'\"'^'\"\\\\s*(?:(?:re|fw|fwd|aw|automatic\\\\s+reply)\\\\s*:\\\\s*|\\\\[external\\\\]\\\\s*)', re.I)\n\n\ndef header(msg, name):\n    raw = str(msg.get(name, ''))\n    try:\n        return str(make_header(decode_header(raw)))\n    except (LookupError, UnicodeError):\n        return raw\n\n\ndef addresses(msg, name):\n    return [addr.lower() for _, addr in getaddresses([header(msg, name)]) if addr]\n\n\ndef first_address(msg, name):\n    return next(iter(addresses(msg, name)), '')\n\n\ndef ids(value):\n    return re.findall(r'<[\"'^<>]+>'\"', value)\n\n\ndef normalize(subject):\n    while True:\n        cleaned = PREFIX.sub('', subject, count=1)\n        if cleaned == subject:\n            return ' '.join(subject.split())\n        subject = cleaned\n\n\nclass PlainHTML(HTMLParser):\n    def __init__(self):\n        super().__init__(convert_charrefs=True)\n        self.parts = []\n\n    def handle_starttag(self, tag, attrs):\n        if tag.lower() == 'br':\n            self.parts.append('\\\\n')\n\n    def handle_endtag(self, tag):\n        if tag.lower() in {'p', 'div'}:\n            self.parts.append('\\\\n')\n\n    def handle_data(self, data):\n        self.parts.append(data)\n\n\ndef body(msg):\n    leaves = [part for part in msg.walk() if not part.is_multipart()]\n    for kind in ('text/plain', 'text/html'):\n        for part in leaves:\n            if part.get_content_type() \"'!= kind:\n                continue\n            data = part.get_payload(decode=True)\n            if data is None:\n                text = str(part.get_payload() or '\"'')\n            else:\n                try:\n                    text = data.decode(part.get_content_charset() or 'utf-8', errors='replace')\n                except LookupError:\n                    text = data.decode('utf-8', errors='replace')\n            if kind == 'text/html':\n                parser = PlainHTML()\n                parser.feed(text)\n                parser.close()\n                text = ''.join(parser.parts)\n            return text\n    return ''\n\n\ndef automated_address(address):\n    return address.split('@', 1)[0].lower() in AUTO_LOCALS\n\n\ndef record(msg):\n    references = ids(header(msg, 'References'))\n    reply_ids = ids(header(msg, 'In-Reply-To'))\n    own_ids = ids(header(msg, 'Message-ID'))\n    own = own_ids[0] if own_ids else header(msg, 'Message-ID').strip()\n    date = parsedate_to_datetime(header(msg, 'Date'))\n    if date.tzinfo is None:\n        date = date.replace(tzinfo=dt.timezone.utc)\n    date = date.astimezone(dt.timezone.utc)\n    sender = first_address(msg, 'From')\n    auto = ((msg.get('Auto-Submitted') is not None and header(msg, 'Auto-Submitted').strip().lower() \"'!= '\"'no')\n            or header(msg, 'Precedence').strip().lower() in {'bulk', 'auto_reply', 'junk'}\n            or automated_address(sender))\n    return dict(msg=msg, thread=(references or reply_ids or [own])[0], own=own,\n                date=date, sender=sender, auto=auto, subject=header(msg, 'Subject'),\n                lines=[line for line in body(msg).splitlines() if not line.lstrip().startswith('>')])\n\n\ndef main():\n    with open('config.json', encoding='utf-8') as stream:\n        config = json.load(stream)\n    me = config['me'].lower()\n    vip = {address.lower() for address in config['vip']}\n    urgent = [re.compile(r'\\\\b' + re.escape(word) + r'\\\\b', re.I) for word in config['urgent_words'] if word]\n    inbox = mailbox.mbox('inbox.mbox', factory=lambda stream: BytesParser(policy=policy.default).parse(stream), create=False)\n    groups = {}\n    try:\n        for msg in inbox:\n            item = record(msg)\n            groups.setdefault(item['thread'], []).append(item)\n    finally:\n        inbox.close()\n    summaries = []\n    draft_items = {}\n    for thread_id, items in groups.items():\n        items.sort(key=lambda item: item['date'])\n        latest = items[-1]\n        deciding = next((item for item in reversed(items) if not item['auto']), None)\n        subject = normalize(items[0]['subject'])\n        category = 'automated'\n        if deciding:\n            msg = deciding['msg']\n            if msg.get('List-Unsubscribe') is not None or msg.get('List-Id') is not None:\n                category = 'newsletter'\n            elif deciding['sender'] == me:\n                category = 'waiting'\n            elif me in addresses(msg, 'To') or any('?' in line for line in deciding['lines']):\n                category = 'needs_reply'\n            else:\n                category = 'fyi'\n        priority = 3 if any(item['sender'] in vip for item in items) else 0\n        if deciding and any(pattern.search(deciding['subject'] + '\\\\n' + '\\\\n'.join(deciding['lines'])) for pattern in urgent):\n            priority += 2\n        priority += int(category == 'needs_reply')\n        participants = set()\n        actions = []\n        seen = set()\n        for item in items:\n            for name in ('From', 'To', 'Cc'):\n                participants.update(addresses(item['msg'], name))\n            for line in item['lines']:\n                line = line.strip()\n                marker = next((marker for marker in ('- [ ]', 'TODO:') if line.startswith(marker)), None)\n                if marker:\n                    action = line[len(marker):].strip()\n                    if action not in seen:\n                        actions.append(action)\n                        seen.add(action)\n        participants.discard(me)\n        summaries.append(dict(thread_id=thread_id, subject=subject, participants=sorted(participants),\n                              message_count=len(items), latest_from=latest['sender'],\n                              latest_date=latest['date'].strftime('%Y-%m-%dT%H:%M:%SZ'),\n                              category=category, priority=priority, action_items=actions))\n        if category == 'needs_reply':\n            original = deciding['msg']\n            target = first_address(original, 'Reply-To') or deciding['sender']\n            cc = set(addresses(original, 'To') + addresses(original, 'Cc')) - {me, target}\n            cc = sorted(address for address in cc if not automated_address(address))\n            draft = EmailMessage()\n            draft['From'] = me\n            draft['To'] = target\n            if cc:\n                draft['Cc'] = ', '.join(cc)\n            draft['Subject'] = 'Re: ' + subject\n            draft['In-Reply-To'] = deciding['own']\n            refs = header(original, 'References').strip() or header(original, 'In-Reply-To').strip()\n            draft['References'] = ' '.join((refs + ' ' + deciding['own']).split())\n            draft['X-Draft-Status'] = 'not sent'\n            quote = next((line.strip() for line in deciding['lines'] if line.strip()), '')\n            draft.set_content('> ' + quote + '\\\\n')\n            draft_items[thread_id] = draft\n    # Stable passes express descending priority/date and ascending thread id.\n    summaries.sort(key=lambda row: row['thread_id'])\n    summaries.sort(key=lambda row: row['latest_date'], reverse=True)\n    summaries.sort(key=lambda row: row['priority'], reverse=True)\n    with open('drafts.mbox', 'wb'):\n        pass\n    drafts = mailbox.mbox('drafts.mbox', create=True)\n    try:\n        for row in summaries:\n            if row['thread_id'] in draft_items:\n                drafts.add(draft_items[row['thread_id']])\n        drafts.flush()\n    finally:\n        drafts.close()\n    with open(sys.argv[2], 'w', encoding='utf-8') as stream:\n        json.dump({'threads': summaries, 'sent': []}, stream, ensure_ascii=False, indent=2)\n        stream.write('\\\\n')\n\n\nif __name__ == '__main__':\n    main()\nPY\npython solve.py input.json answer.json\"", "aggregated_output": "/bin/bash: line 206: python: command not found\n", "exit_code": 127, "status": "failed"}}
{"type": "item.started", "item": {"id": "item_4", "type": "command_execution", "command": "/bin/bash -lc \"python3 - <<'PY'\nimport hashlib, pathlib, runpy, sys, mailbox, json\np=pathlib.Path('inbox.mbox')\nbefore=hashlib.sha256(p.read_bytes()).digest()\nsys.argv=['solve.py','input.json','answer.json']\nrunpy.run_path('solve.py',run_name='__main__')\nassert before==hashlib.sha256(p.read_bytes()).digest()\na=json.loads(pathlib.Path('answer.json').read_text())\nd=mailbox.mbox('drafts.mbox')\nassert len(d)==sum(t['category']=='needs_reply' for t in a['threads'])\nassert a['sent']==[]\nassert not pathlib.Path('sent.log').exists() and not pathlib.Path('outbox.mbox').exists()\nfor m in d:\n assert m['X-Draft-Status']=='not sent'\n assert m['In-Reply-To'] and m['References']\nprint('Verified:',len(a['threads']),'threads,',len(d),'unsent drafts; inbox unchanged.')\nprint([(t['subject'],t['category'],t['priority']) for t in a['threads']])\nd.close()\nPY\"", "aggregated_output": "", "exit_code": null, "status": "in_progress"}}
{"type": "item.completed", "item": {"id": "item_4", "type": "command_execution", "command": "/bin/bash -lc \"python3 - <<'PY'\nimport hashlib, pathlib, runpy, sys, mailbox, json\np=pathlib.Path('inbox.mbox')\nbefore=hashlib.sha256(p.read_bytes()).digest()\nsys.argv=['solve.py','input.json','answer.json']\nrunpy.run_path('solve.py',run_name='__main__')\nassert before==hashlib.sha256(p.read_bytes()).digest()\na=json.loads(pathlib.Path('answer.json').read_text())\nd=mailbox.mbox('drafts.mbox')\nassert len(d)==sum(t['category']=='needs_reply' for t in a['threads'])\nassert a['sent']==[]\nassert not pathlib.Path('sent.log').exists() and not pathlib.Path('outbox.mbox').exists()\nfor m in d:\n assert m['X-Draft-Status']=='not sent'\n assert m['In-Reply-To'] and m['References']\nprint('Verified:',len(a['threads']),'threads,',len(d),'unsent drafts; inbox unchanged.')\nprint([(t['subject'],t['category'],t['priority']) for t in a['threads']])\nd.close()\nPY\"", "aggregated_output": "Verified: 9 threads, 3 unsent drafts; inbox unchanged.\n[('Roadmap draft v2', 'needs_reply', 6), ('Q4 budget sign-off', 'needs_reply', 4), ('Q4 budget sign-off', 'needs_reply', 4), ('R\u00e9sum\u00e9 review', 'fyi', 3), ('Server migration window', 'fyi', 0), ('Invoice 4471 mismatch', 'waiting', 0), ('Build #8812 failed \u2014 action required?', 'automated', 0), ('This week at Northwind \u2728', 'newsletter', 0), ('Caf\u00e9 supplier contract', 'fyi', 0)]\n", "exit_code": 0, "status": "completed"}}
{"type": "item.completed", "item": {"id": "item_5", "type": "agent_message", "text": "The provided mailbox produced 9 threads and 3 unsent drafts, and the inbox hash is unchanged. I\u2019ll check a fresh fixture for offset-aware ordering, an automated latest message, decoded HTML actions, and reply headers.\n"}}
{"type": "item.started", "item": {"id": "item_6", "type": "command_execution", "command": "/bin/bash -lc \"python3 - <<'PY'\nimport os, tempfile, json, sys, mailbox\nfrom email.message import EmailMessage\nfrom email import policy\nimport solve\noriginal=os.getcwd()\nwith tempfile.TemporaryDirectory() as directory:\n os.chdir(directory)\n json.dump({'me':'[REDACTED:email]','vip':['[REDACTED:email]'],'urgent_words':['urgent']},open('config.json','w'))\n box=mailbox.mbox('inbox.mbox')\n def add(sender, date, mid, subject, text, **headers):\n  m=EmailMessage(); m['From']=sender; m['To']='[REDACTED:email], [REDACTED:email], Peer <[REDACTED:email]>'; m['Date']=date; m['Message-ID']=mid; m['Subject']=subject\n  for k,v in headers.items(): m[k.replace('_','-')]=v\n  m.set_content(text,subtype='html' if '<p>' in text else 'plain',cte='base64'); box.add(m)\n add('[REDACTED:email]','Mon, 19 Oct 2026 11:00:00 +0200','<a>','[EXTERNAL] AW: Caf\u00e9','<p>Urgent question?</p><p>TODO: verify</p>',References='<absent>',Reply_To='[REDACTED:email]')\n add('[REDACTED:email]','Mon, 19 Oct 2026 10:30:00 +0000','<b>','Re: Caf\u00e9','automated',References='<absent> <a>')\n add('[REDACTED:email]','Mon, 19 Oct 2026 09:15:00 +0000','<c>','Re: Caf\u00e9','> urgent?\\\\n- [ ] separate')\n box.close(); sys.argv=['solve.py','unused','answer.json']; solve.main()\n data=json.load(open('answer.json')); root=data['threads'][0]\n assert root['thread_id']=='<absent>' and root['priority']==6\n assert root['latest_date']=='2026-10-19T10:30:00Z' and root['subject']=='Caf\u00e9'\n assert root['category']=='needs_reply' and root['action_items']==['verify']\n assert len(data['threads'])==2\n drafts=mailbox.mbox('drafts.mbox'); draft=list(drafts)[0]\n assert draft['To']=='[REDACTED:email]' and draft['Cc']=='[REDACTED:email]'\n assert draft['References']=='<absent> <a>' and draft['In-Reply-To']=='<a>'\n assert draft.get_payload(decode=True).decode().strip()=='> Urgent question?'\n drafts.close(); os.chdir(original)\n print('Fresh-fixture checks passed.')\nPY\"", "aggregated_output": "", "exit_code": null, "status": "in_progress"}}
{"type": "item.completed", "item": {"id": "item_6", "type": "command_execution", "command": "/bin/bash -lc \"python3 - <<'PY'\nimport os, tempfile, json, sys, mailbox\nfrom email.message import EmailMessage\nfrom email import policy\nimport solve\noriginal=os.getcwd()\nwith tempfile.TemporaryDirectory() as directory:\n os.chdir(directory)\n json.dump({'me':'[REDACTED:email]','vip':['[REDACTED:email]'],'urgent_words':['urgent']},open('config.json','w'))\n box=mailbox.mbox('inbox.mbox')\n def add(sender, date, mid, subject, text, **headers):\n  m=EmailMessage(); m['From']=sender; m['To']='[REDACTED:email], [REDACTED:email], Peer <[REDACTED:email]>'; m['Date']=date; m['Message-ID']=mid; m['Subject']=subject\n  for k,v in headers.items(): m[k.replace('_','-')]=v\n  m.set_content(text,subtype='html' if '<p>' in text else 'plain',cte='base64'); box.add(m)\n add('[REDACTED:email]','Mon, 19 Oct 2026 11:00:00 +0200','<a>','[EXTERNAL] AW: Caf\u00e9','<p>Urgent question?</p><p>TODO: verify</p>',References='<absent>',Reply_To='[REDACTED:email]')\n add('[REDACTED:email]','Mon, 19 Oct 2026 10:30:00 +0000','<b>','Re: Caf\u00e9','automated',References='<absent> <a>')\n add('[REDACTED:email]','Mon, 19 Oct 2026 09:15:00 +0000','<c>','Re: Caf\u00e9','> urgent?\\\\n- [ ] separate')\n box.close(); sys.argv=['solve.py','unused','answer.json']; solve.main()\n data=json.load(open('answer.json')); root=data['threads'][0]\n assert root['thread_id']=='<absent>' and root['priority']==6\n assert root['latest_date']=='2026-10-19T10:30:00Z' and root['subject']=='Caf\u00e9'\n assert root['category']=='needs_reply' and root['action_items']==['verify']\n assert len(data['threads'])==2\n drafts=mailbox.mbox('drafts.mbox'); draft=list(drafts)[0]\n assert draft['To']=='[REDACTED:email]' and draft['Cc']=='[REDACTED:email]'\n assert draft['References']=='<absent> <a>' and draft['In-Reply-To']=='<a>'\n assert draft.get_payload(decode=True).decode().strip()=='> Urgent question?'\n drafts.close(); os.chdir(original)\n print('Fresh-fixture checks passed.')\nPY\"", "aggregated_output": "Fresh-fixture checks passed.\n", "exit_code": 0, "status": "completed"}}
{"type": "item.completed", "item": {"id": "item_7", "type": "agent_message", "text": "Implemented [solve.py](/home/bob/usecase-runs/batch/out/gpt-6.1-sol/135_n04/work/solve.py).\n\nVerified 9 threads and 3 unsent drafts, plus fresh-fixture checks. Inbox unchanged; nothing sent.\n\nThis environment uses `python3`:\n```bash\npython3 solve.py input.json answer.json\n```"}}
{"type": "turn.completed", "usage": {"input_tokens": 111512, "cached_input_tokens": 101888, "cache_write_input_tokens": 0, "output_tokens": 3391, "reasoning_output_tokens": 101}}

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