[YASLOGIST]

Summary

The hero GIF on main is broken. Its global colour table maps the faint light-shaft pixels to saturated cyan (#00FFFF, #6CDBFF, …), so every browser draws large opaque slabs across the artwork. I confirmed this at the byte level in the GIF header, so it isn't a viewer quirk. This PR rebuilds the hero from scratch with a verified encoder and brings the secondary motion system to the same standard.

Only README.md and assets/readme/** are changed. No application code, dependencies, config or CI.

What changed

Hero: assets/readme/yaslogist-hero.gif

• 1920 × 720, 120 frames × 80 ms = 9.6 s seamless loop, 5.8 MB (was 7.3 MB and broken)
• Built from the real supply graph in lib/data.ts: 8 nodes, 10 edges, real verified / leak / phantom statuses and the app's own labels (Verified · Leak Risk · Phantom Signal)
• Floor plan in perspective with a periodic orbital camera. An emerald audit-gate light curtain sweeps it, nodes resolve to their status, the four reconciliations flip to Reconciled, and the read-out counts 8/8 · 4 verified · 4 flagged
• YASLOGIST appears in the top HUD and as a permanent signature lockup, with a glint in Act IV

Poster: yaslogist-hero.png

• Full-colour frame at the Act III peak, served through <picture> to visitors with prefers-reduced-motion

SVG motion system

• kinetic-statement.svg and yaslogist-signature.svg are regenerated with every glyph outlined to a path. GitHub renders README SVGs through <img>, which can't load web fonts, so the previous <text> fell back to system faces.
• New focus-curve.svg animates the runtime scene-focus curve from the real constants (1.08, 0.56 + 0.44·focus, label hide 0.05), verified against sceneFocus.ts and IndustrialScene.tsx.

Reproducibility: assets/readme/source/

• Deterministic renderers: Skia via @napi-rs/canvas for the GIF, opentype.js for the SVG outlines. Run npm install && npm run build.

README

• <picture> hero with the reduced-motion fallback
• Focus-curve diagram embedded in the Architecture section
• Section 08 rewritten with measured asset properties
• Source line count refreshed (7,059 → 7,087)

Verification

• GIF decodes: 1920×720, 120 frames, 80 ms, loops forever
• Decoded frames vs. true renders: mean error ≈ 4/765 per pixel, 99th percentile ≤ 15
• Loop seam: wrap step 0.83, inside the interior step range (mean 0.52, max 1.07)
• Inspected decoded frames at the beginning, early transition, middle, late transition and loop boundary, plus native-resolution crops
• All four SVGs are well-formed XML; SMIL states rasterised at several time points for layout checks
• README rendered through GitHub's Markdown API: <picture> + media source preserved, 10 Mermaid blocks and 10 <details> intact
• Every relative link and image path in the README resolves
• Unit suite re-run: 213/213 pass, matching the README's claim

Not verified here

• I couldn't visually inspect the README on the live github.com page; no browser was available in the sandbox. Please check the rendered page on this PR's branch.
• The Playwright figure (60 checks) is carried over from CI and wasn't re-run here.

Trade-off

The orbital camera keeps the GIF around 5.8 MB. Removing the camera move or dropping to 10 fps would shrink it, at a cost to depth and fluidity.

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Project	Deployment	Actions	Updated
logisdata	Error		Oct 10, 2026 3:55am UTC

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