The canvas now opens the pull request.

Design a web page using a Pull Request Review art direction.

Lay it out like a code-review "files changed" view: a full-width PR header, then a sticky left "files changed" index rail beside a right-hand feed of entries. Do not use a big hero image.

Translate the references into real web components:
- A masthead styled as a PR header, with an Open status pill and a branch ref (canvas to main).
- A left rail listing each section as a file row with a monospace path and a +N stat, anchored to the feed.
- Each feed section as a changed-file card: a file path, a kind tag, and a +N -N diff stat.
- News items shown as green addition rows: a linked headline, one sentence, a source link.
- A green merge box for the closing takeaway, with a visible Merge button.

Use a cool light review-paper background, near-black ink, merge green, deletion red, and a quiet plum for the merged state. Pair a clean product sans for display with a readable serif for body, and a monospace for paths, line numbers, and labels.

Keep it readable: body text at least 18px, generous line height, no justified prose, strong contrast, no text against borders. Avoid fake readable code in images (use abstract bars), AI-glow, neon gradients, and decorative marks that hurt scanning.