New Bun-based React Router 7 app with Tailwind CSS, branded with Arc
logo/colors. Features an app shell with nav routing (/start, /pipelines,
/settings) and a Trello-style pipeline board with Working, Pending,
Verify, and Merge columns showing PR cards with CI status, comments,
resources, and action buttons.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
