chore(website): show Scenario's measured results and the cross-style chain

[gfargo]

Adds a "Scenario, measured" section to the home page, between the provider showcase and the safety section.

• Price does not predict fit: the same brief through four Scenario models (1, 2, 3 and 11 CU) from the bake-off.
• Render, pixelate, cut out, refine: the live 8 CU knight chain as four images, ending in the 64x64 sprite, with the `revision.fromStyle` manifest snippet.
• Where it fits and does not, and how cost is controlled.
• Links to the Scenario docs, the across-styles section, the game pilot and the bake-off on GitHub.

Only our own benchmark images are used (generic prompts); none of the game's art. Eight images, about 620 KB. A new analytics section id, `scenario`, is added.

Checked: `website:check`, `website:lint` (the three existing warnings only), `website:build`, and the section in the browser at desktop and 375 px (an overflowing grid column on mobile was fixed). Website-only, so scoped `chore(website)` and it cuts no release.

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Project	Deployment	Actions	Updated
pixelkiln	Ready	Preview	Oct 6, 2026 2:05pm UTC

[github-actions]

🎉 This PR is included in version 0.86.2 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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