React + Vite + TypeScript + Motion. Single-page bento dashboard in the Nothing design language. Deploys to Vercel with this folder as the project root.
npm run dev/npm run build/npm run preview(build typechecks first)
src/system/telemetry.ts— singleton bus. ONE rAF loop for the whole app: measures fps, smooths pointer velocity, runs canvas draw callbacks, publishes an immutable snapshot at 2 Hz to React viauseSyncExternalStore. Fully pauses ondocument.hidden. Never add a per-widget rAF or interval if the bus can drive it.- Widgets read
useTelemetry(); canvases register viabus.draw()and must skip work when offscreen (IntersectionObserver lives in the component). - Real data where the browser exposes it (heap, battery, connection, fps,
input); seeded fakes otherwise (
src/system/fake.ts). Cards are tagged LIVE or SIM accordingly. - GitHub-themed widgets are intentionally fake (
m1ckc3s). No network calls. src/system/sound.ts— zero-dependency Web Audio synth (play()+SFXpresets recreated from the @web-kits core kit). Cards beep on hover, gated bysoundOnin context plus a global cooldown; the clock-cardToggleflips it. AudioContext unlocks on first user gesture. No audio library.
- Palette tokens live in
styles.cssonly — never hardcode grays elsewhere. - Doto (weight 400) = dot-matrix hero numerals. Space Mono = UPPERCASE meta, 11px, letter-spacing .08em. Space Grotesk = human text + big metric numerals.
- Brand red
#D71921appears exactly once: the REC dot on the seismograph. - Segments and toggles have sharp corners; cards are 16px radius; no glows, no gradients on surfaces.
- Motion: things slam in and settle (back-ease/springs). Only heartbeat-type
elements loop. Everything respects prefers-reduced-motion and the MOTION
toggle (
motionOffin context).
- Canvas: DPR capped at 2, redraws capped at ~30 fps, skipped when offscreen or tab hidden.
- React re-renders at snapshot cadence (2 Hz); keep widget trees small.
- Every effect cleans up: listeners, observers, timers, animation controls.
- Comments only for non-obvious constraints. No narration, no banners.
- One widget per file in
src/components/widgets/.