Glass floors, pillars, and railings added; numerous issues fixed [2026-06-10] — Oxygen Train Steam update #1260187

Building System Updates & Upgrades0. Added glass floor and triangular glass floor options to increase natural light in sunrooms; includes models for both intact and damaged states.1. Added pillars to provide structural support and create more open space on the level below.2. Added new wooden and stone railing models. Railings have been removed as standalone inventory items and integrated into the building hammer tool; they now feature "snap-to" placement. Players who previously unlocked the old railing versions can still place them, but the old, obsolete railing items can no longer be unlocked.3. Resolved a multiplayer issue where floor tiles would occasionally appear scattered in the sky on the client side.4. Aligned the placement positions for all floor material types to prevent visual misalignment.5. Fixed an issue where the blue "ghost" preview for triangular floors appeared too dark...