- Enable RenderCustomDepth + stencil value 2 on spline tube mesh - Restore stencil 2 on deselect (selection sets stencil 1 for outline) - Auto-generated M_PS_Editor_SplineOccluded PP material (stencil + depth compare) - PP occluded effect disabled for now (depth comparison unreliable) - AISpline triggers SplineNetwork::RebuildNetwork on BeginPlay (next tick) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>