The sim stub reported an empty world, so there was nothing on screen to
verify the HUD against: an empty inspector and a 0/0 meter prove nothing.
This synthesises a plausible snapshot -- entities mid-craft, a jam, heat,
shipments, a recurring brownout and commission -- so every surface can be
watched doing its job in a browser.
Runs on a wall clock rather than the sim tick: rAF stops in a backgrounded
tab, and a tick-driven fixture crawls too slowly to ever reach the brownout
window. It is a fake sim for eyeballing chrome; nothing here is or needs to
be deterministic.
Inert without the query param, dispatches no Commands, touches no other
lane. Delete once the real sim can be driven to a brownout by hand.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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