feat(cyclone): add prepared Cyclone adapter

[alowpoly]

Summary

• add a source-pinned Really Slick Cyclone adapter rendered as one retained PolyCSS Morph graph
• prepare 400 particle roots and 2,400 triangle leaves across a source-continuous 216-second playback stream
• keep runtime work to prepared transform selection, sparse color-atlas address changes, and one-block lookahead
• use the shared cssGraphics shell, randomized startup, more saturated product colors, and a wider mobile presentation field
• wire /cyclone/ and /csscyclone/ into deploy previews with immutable caching for hashed assets and blocks

Why

Cyclone is a strong fit for the prepared retained-DOM model, but its source motion changes every particle independently. This adapter moves simulation, matrix formatting, lighting, and stream construction to preparation while keeping the browser graph stable.

Runtime and payload

• 2,400 retained leaves with no runtime DOM growth
• active plus lookahead block residency only
• 1.06 MB prepared lossless lighting atlas
• 216 hash-addressed playback blocks totaling 246 MB encoded across the complete 216-second corpus

Qualification boundary

The source identity and motion model are pinned. The complete dense scene is not claimed pixel-identical: OpenGL resolves particle intersections with a depth buffer while the retained CSS scene uses planar compositor ordering. Moving highlight orientation is also a documented prepared-lighting approximation.

Validation

• pnpm test:cyclone — 13 passed
• pnpm test:site — 5 passed
• pnpm typecheck
• pnpm verify:source-only
• CSSCYCLONE_DEPLOY_BUILD=1 pnpm build:cyclone
• pnpm build
• headless Chrome desktop and 390x844 mobile smoke: 2,400 retained leaves, stable DOM, zero console errors

[netlify]

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