Multiplier on every plain-wheel zoom step — orbit/ortho dolly and fly forward/back (live). 1 = the unscaled feel; turn down on a mouse whose driver delivers oversized wheel deltas. Global (per machine), because that is what varies — the per-scene orbit "Zoom Speed" stays a scene choice and the two multiply.
Power-save pause after this many ms of idle (live at timer re-arm).
Route heavy decode/projection through web workers (live per load).
Worker pool size; 0 = auto (cores-based). Applied at pool creation → reload.
Concurrent prefetch fetches. Applied at scene-loader construction → reload.
Master in-memory/disk cache switch (→ loaderConfig.noCache) → reload.
Decoded-slice S-cache (→ loaderConfig.noSliceCache) → reload.
Adjacent-chunk prefetch (→ loaderConfig.noPrefetch) → reload.
'auto' = heap-aware/device-class budgets; 'custom' = explicit pool.
Total cache pool (L0+L1+S-cache) in MB when budgetMode='custom'.
Render backend; 'auto' = the built-in default chain → reload.
Line primitive policy (#1352 follow-up) → reload (the primitive is
baked into each line material's shader at construction; there is
no live-swap path). 'auto' = capsule, except very large line
nodes, which build the cheaper quad — see
types/line-primitive.ts for the measured rule.
Ctrl/⌘+wheel FOV change per wheel-delta unit (live) — the unit is the pixel-equivalent delta from
utils/wheel-delta, not the raw event value.