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Cut material // drops onto an armoured face conveyor (the dashed line beneath it), which // carries it away in one constant direction, independent of the shearer's // travel direction — exactly like a real AFC. Behind the shearer, hydraulic // roof supports (the small prop-and-cap glyphs) release from the roof, nose // forward, and re-set in sequence as the cut passes them, one after another // in a travelling wave rather than all at once. // // The mapping onto the UI concept: the shearer's traverse across the face IS // the fetch in flight; the conveyor carrying material away IS the response // data moving into the list; the supports advancing behind it IS the list // growing, one row taking its turn after another rather than the whole list // updating at once. `loading` keeps the face working; `exhausted` parks the // machine — a longwall panel that has been fully worked, not a machine that // broke or a wheel that spins forever implying infinite content. // // House idiom: colors are read directly as `var(--token)` in SVG // presentation attributes (the same convention loader-thread-spool uses) — // SVG supports custom-property references natively, so no // getComputedStyle/MutationObserver token pipeline is needed here the way a //