Kata 08

Web Worker round-trip

Type along with app/08-worker-rt/STEPS.md. Main thread owns the socket and screen; the worker owns book math.

closedworker …Book math on Worker

Main thread: WebSocket + rAF paint only. Worker: parse, diff, applyDeltas, then sends a plain JSON snapshot back.

WS / jobs

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Worker jobs

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React renders

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Jobs / render

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Bids

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Asks

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