- Diagrams carry a print style block, so they print as ink on white rather than
as dark panels; the client wall and the chips go white with a hairline.
- docs/phase-7-notes.md records what batch 1 shipped, how to add a mark or an
image, and the Lighthouse measurements taken after the batch (100/100/100/100,
CLS 0, mobile and desktop).
(cherry picked from commit ae9282e5f62b8c7ee149ebf96f8d3f00067a49e2)
