Session Closeout: Browser Agent CDP Fix + Hotel Availability Research (2026-05-05)

Context

Fixed the CDP eval “Cannot access chrome:// URL” bug in browser-agent v2.2.1, then used the working CDP eval to perform live hotel availability research for a Healdsburg trip (June 27-28, SingleThread dinner).

What Was Done

  • Browser Agent v2.2.1: Fixed resolveTabId() fallback hitting chrome:// tabs, added URL validation in withDebugger(). CDP eval now works reliably on hotel sites that block content script eval via CSP.
  • Windows repo sync: Found Chrome loads extension from /mnt/c/Users/npeza/Documents/repos/browser-agent/extension/. Reset diverged Windows repo to match origin/master.
  • Live hotel availability via CDP eval: Checked Hilton (Lodge + Appellation), Hyatt Regency Sonoma, Hotel Trio (Marriott), IHG near Healdsburg. Extracted structured room pricing from Hilton SPA pages.
  • Card portfolio source of truth: Created privateContext/card-portfolio.md to prevent debate agents from speculating about cards/certificates.
  • Debate directive update: Added financial verification rule to centralDiscord debate.js.

Key Findings

  • Appellation Healdsburg (SLH/Hilton): 8 rooms June 27, $975-2155 cash, 90K-1.1M points
  • Lodge at Healdsburg: Sold out June 27, available June 28 ($228/61K pts)
  • Hyatt Regency Sonoma: Not available June 27
  • Hilton FNCs work at SLH properties (must book by phone)
  • Best redemption: Appellation 90K room via uncapped FNC = $985 value free

Open Items

  • User booked at 90K points – needs to call Hilton to convert to FNC booking
  • centralDiscord debate directive on branch claude/learnings-452 needs merge
  • knowledgeBase docs on branch claude/learnings-455 needs merge
  • Hotel Trio (Marriott) pricing still unknown – manual check needed

Repos Touched

browser-agent (v2.2.1 fix), llm-tasks (hotel rec), privateContext (card portfolio, closeout), centralDiscord (debate directive), knowledgeBase (browser-agent docs)

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