An entity crossing a WMO portal no longer pops between the exterior
day/night result and the dynamic room lane in one frame. The classifier
ramps a per-anchor lane weight at 2/s (first resolve snaps, so a unit
streaming in indoors never fades up from dark) and, while ramping, writes
its parts in exterior material mode with the weight in tag bits 15..=18
beside the MATTE_INDOOR bit; the Bake material commits only at full
weight. wow_model.wgsl mixes exterior-lit -> room-lit by that weight
(forced to 1 in interior material mode, where those bits are the probe
slot).
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>