claudetools/session-logs/2026-05-25-beast-chrome-fetch-and-identity-audit.md

Session Log — 2026-05-25 — BEAST: Discord bot real-Chrome web fetch + identity audit

User

• User: Mike Swanson (mike)
• Machine: GURU-BEAST-ROG
• Role: admin
• Session span: 2026-05-22 (after the 12:48 PT save) → 2026-05-25, one continuous interactive coordinator session on BEAST. Namespaced because GURU-5070 already authored session-logs/2026-05-25-session.md today.

Session Summary

Continued the BEAST Discord-bot work. After confirming the Claude-in-Chrome extension is installed and bridged on BEAST, built the bot a real-Chrome web-fetch capability for bot-blocked sites, then (today) answered a cross-machine identity-verification audit and reported back via the coord API.

The "is Claude in Chrome working on this unit?" question was answered by inspecting files/registry only (no browser launch, per the unattended-host posture): the extension Claude in Chrome (Beta) v1.0.70 (fcoeoabgfenejglbffodgkkbkcdhcgfn) is installed and enabled, and the Anthropic native messaging host (com.anthropic.claude_browser_extension, installed by the Claude desktop app under %APPDATA%\Claude\ChromeNativeHost\) is registered with the extension whitelisted — so the agentic bridge is fully wired.

Mike then directed: when the bot needs to search (e.g. estimates) and a site is bot-blocked, use Chrome. The key constraint surfaced during build: the bot is a Claude Agent SDK session and cannot drive the agentic Claude-in-Chrome extension (that's desktop-app/interactive). Its only browser-capable path is its Bash tool. The simple chrome --headless --dump-dom is broken on Chrome 148 (returns empty), and no automation tooling was installed. Per Mike's choice, installed Playwright into the bot venv and used channel="chrome" to drive the installed Chrome 148 headlessly (no Chromium download). Wrote projects/discord-bot/scripts/web-fetch-chrome.py (JS rendering, anti-automation flags, UA de-"Headless"-ed, isolated profile, bounded output), tested it on static + JS-rendered + UA-check targets, wired it into DISCORD_CLAUDE.md as a WebFetch→real-Chrome fallback, reconciled the headless rule (forbid visible/interactive browser windows; permit headless fetch), and recorded the dependency in requirements.txt. The helper was later enhanced (another session) with a --zip option that pre-sets the Amazon/Best Buy delivery ZIP (default 85715, Tucson).

A 2026-05-23 sync flagged repo cruft (garbled path-as-filename files and leaked .claude/ temp artifacts) that other machines' git add -A had committed; by 2026-05-25 those were resolved upstream — sync.sh now carries a purge_garbled_paths() guard and the junk was cleaned.

Today (2026-05-25), a coord check-in from GURU-5070 asked every machine to verify its identity. GURU-BEAST-ROG passed all four checks (identity.json correct, hostname match, git config matches users.json, present in mike.known_machines). Replied to GURU-5070 via coord, and flagged that the 73 pulled commits carried two author names — "Mike Swanson" (61) and "Mike-Swanson" (12) — implying another machine has a hyphenated git config user.name.

Key Decisions

• Bot uses headless Chrome via Playwright, not the agentic extension. The Claude-in-Chrome extension is driven by the desktop app interactively; the SDK-agent bot can't invoke it. Headless Chrome via Bash achieves the same goal (get past bot blocks) and runs unattended.
• Playwright with channel="chrome", no playwright install. Reuses the already-installed Chrome 148 — no ~hundreds-of-MB Chromium download, and tracks the system Chrome version.
• Anti-detection touches in the helper: strip --enable-automation/AutomationControlled, and rewrite the UA to drop "HeadlessChrome" (derived from the live UA so it survives Chrome upgrades) — because the use case is specifically bot-blocked sites.
• Reconciled the headless rule rather than contradicting it: forbid visible/interactive browser windows and OAuth sign-in (no one at the console); explicitly permit the headless fetch.
• Namespaced today's session log instead of appending to GURU-5070's 87 KB 2026-05-25-session.md — avoids rebase conflicts on a concurrently-edited file.
• Inspected Chrome status via files/registry only, never launched it — BEAST is the unattended bot host (Chrome was already running under a human's session).

Problems Encountered

• chrome --headless --dump-dom broke on Chrome 148 — exit 0 but empty output (old headless mode gone). Resolved by using Playwright/CDP instead.
• No browser-automation tooling installed (no Playwright/Puppeteer/Selenium) — installed playwright>=1.60.0 into the bot venv.
• HeadlessChrome UA tell — Playwright's default UA flagged the request as a bot. Resolved by rewriting the context UA to Chrome/148... (verified via httpbin).
• Helper landed in a different commit than expected — a background auto-sync swept the untracked web-fetch-chrome.py into 51d5556 (my own untracked-detection fix working), so my manual commit ee86542 carried only the modified files. Net: all tracked + pushed.
• Repo cruft from other machines (2026-05-23) — garbled filenames + .claude/ temp artifacts via git add -A. Not mine to delete; flagged. Resolved upstream by 2026-05-25 (purge_garbled_paths()).

Configuration Changes

• projects/discord-bot/scripts/web-fetch-chrome.py — NEW. Headless real-Chrome fetcher via Playwright channel="chrome"; --selector/--html/--max-chars/--wait-until/--settle-ms/ --timeout-ms/--zip options. (--zip added by a later session.)
• projects/discord-bot/DISCORD_CLAUDE.md — added "Web Research / Bot-Blocked Sites" section; refined the headless rule to permit headless fetching while forbidding visible/interactive browsers.
• projects/discord-bot/requirements.txt — added playwright>=1.60.0 (note: no playwright install needed; uses system Chrome).
• projects/discord-bot/.venv/ — playwright 1.60.0 installed (gitignored; recorded in requirements).
• No edits to .claude/identity.json, users.json, or sync.sh this session (the users.json fixes and sync.sh purge_garbled_paths() came from other machines).

Credentials & Secrets

• None created or rotated. Discord bot token remains at vault projects/discord-bot/bot-token.sops.yaml field credentials.bot_token (value not reproduced). No vault paths decrypted this session.

Infrastructure & Servers

• Machine: GURU-BEAST-ROG (BEAST), Windows 11. hostname == COMPUTERNAME == GURU-BEAST-ROG.
• Chrome: 148.0.7778.168 at C:\Program Files\Google\Chrome\Application\chrome.exe.
• Claude-in-Chrome extension: fcoeoabgfenejglbffodgkkbkcdhcgfn, "Claude in Chrome (Beta)" v1.0.70, Default profile, web-store, enabled.
• Native host: com.anthropic.claude_browser_extension (HKCU) → manifest + chrome-native-host.exe under C:\Users\guru\AppData\Roaming\Claude\ChromeNativeHost\ (installed by Claude desktop app).
• Bot service: ClaudeToolsDiscordBot (NSSM); model claude-sonnet-4-6; cwd C:/Users/guru/ClaudeTools; bot venv python projects/discord-bot/.venv/Scripts/python.exe.
• Coord API: http://172.16.3.30:8001/api/coord. Session id GURU-BEAST-ROG/claude-main.
• mike.known_machines (as synced): GURU-5070, Mikes-MacBook-Air, GURU-BEAST-ROG, GURU-KALI (DESKTOP-0O8A1RL retired/removed).

Commands & Outputs

• Install: projects/discord-bot/.venv/Scripts/python.exe -m pip install playwright → 1.60.0.
• Fetch helper (as the bot runs it): projects/discord-bot/.venv/Scripts/python.exe projects/discord-bot/scripts/web-fetch-chrome.py "<url>" [--selector <css>] [--html] [--max-chars N] [--zip 85715]
  • Verified: static page, JS-rendered page (quotes.toscrape.com/js), UA = Chrome/148.0.0.0.
• nssm restart ClaudeToolsDiscordBot — used after each DISCORD_CLAUDE.md change; confirmed "[OK] Bot is ready and listening for mentions".
• Coord reply: POST http://172.16.3.30:8001/api/coord/messages → 201, id ac1e3767-f085-4c83-8d74-fbd9cc821d63; unread after = 0.

Pending / Incomplete Tasks

• Hyphenated git author — some machine has git config user.name = "Mike-Swanson" (12 of 73 pulled commits). Handed to GURU-5070's identity sweep via coord reply; not this machine.
• /sync doc vs sync.sh — doc still says "stage by name, never git add -A" while the script uses git add -A (now mitigated by purge_garbled_paths() but not eliminated). Left for decision.
• Bot's real-Chrome fetch is live but only lightly tested against true bot-blocked sites; Mike was testing it in Discord.

Reference Information

• Commits: ee86542 (real-Chrome fallback: rules + requirements), 51d5556 (helper, auto-synced).
• Helper: projects/discord-bot/scripts/web-fetch-chrome.py. Rules: projects/discord-bot/DISCORD_CLAUDE.md ("Web Research / Bot-Blocked Sites").
• Coord reply id: ac1e3767-f085-4c83-8d74-fbd9cc821d63 (to GURU-5070/claude-main).
• Extension id fcoeoabgfenejglbffodgkkbkcdhcgfn; native host com.anthropic.claude_browser_extension.

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Update: 13:17 PT — harden sync.sh purge_garbled_paths (locale fix)

During the prior save's sync, purge_garbled_paths() printed grep: -P supports only unibyte and UTF-8 locales — its grep -P (PCRE) guard refuses to run on BEAST's Git Bash locale, so the garbled-path protection was a silent no-op here.

Fix: switched the detector from PCRE (grep -qaP) to POSIX ERE (grep -qaE), which has no such locale restriction, keeping LC_ALL=C for byte-wise matching and the exact same byte set (control chars / \ / : plus the MSYS2 PUA substitutes 0xEE 0x80-0xBF and 0xEF 0x80-0xA3). Pattern built via $'...'. No behavior change other than that it now actually runs.

Verified on BEAST: bash -n clean; PUA-garbled name (U+F03A) detected; literal : detected; normal repo paths not flagged; no -P locale error. Applies to all machines on next sync (sync.sh is shared).

• File: .claude/scripts/sync.sh — purge_garbled_paths() grep line + comment.