feat: Latest production version with interior scene and glass

Includes room interior with floor, walls, glass you can see through,
and all uncommitted production changes that were running live.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bron/preloader.js

@@ -0,0 +1,9 @@
+export default function Preloader() {
+    return (
+        <>
+            <div style={{ width: '100%', height: '100%', display: 'flex', justifyContent: 'center', alignItems: 'center', backgroundSize: 'cover' }}>
+                <div className="loader"></div>
+            </div>
+        </>
+    )
+}